40results about How to "Control gas pressure" patented technology

The invention discloses a multi-gas-circuit gas pressure remote control system which comprises a plurality of pressure sensor nodes, a plurality of pressure control units and a monitoring host, wherein the plurality of pressure control units are respectively mounted in a plurality of controlled gas circuits, and are used for carrying out synchronous adjustment on gas pressure of the gas circuits; the monitoring host is arranged in a remote data monitoring center; the plurality of pressure sensor nodes and the plurality of pressure control units are respectively distributed along the flow direction of gas in the plurality of controlled gas circuits; each pressure sensor node comprises a pressure sensor, a data processing module, a work parameter adjustment module, a wireless communication module and a power supply module; and the work parameter adjustment module is used for controlling and adjusting relevant work parameters of the pressure sensor node. The multi-gas-circuit gas pressure remote control system is reasonable in design, convenient to mount and arrange, convenient to operate, reliable in performance, and good in use effect; the practical pressure information in the gas circuit can be informed to the monitoring host by the multi-gas-circuit gas pressure remote control system in a wireless network mode; and then the monitoring host sends out corresponding monitoring instructions and carries out remote control on switching value of the vale through the pressure control units.

The invention relates to a control method and device of a vehicle-mounted hydrogen system and the vehicle-mounted hydrogen system, and belongs to the field of fuel cell buses. The method comprises: establishing a pressure prediction model of an output gas of the vehicle-mounted hydrogen system, and determining a pressure prediction value used for controlling the pressure of the output gas of the vehicle-mounted hydrogen system according to the pressure prediction model; calculating a difference value between the pressure prediction value and a set target pressure value to obtain a prediction error; obtaining an actual pressure value of output gas of the vehicle-mounted hydrogen system, and calculating a difference value between the actual pressure value and the target pressure value to obtain an actual error; and comparing the prediction error with the actual error, and when the prediction error is smaller than the actual error, outputting a pressure prediction value of the next momentby using the pressure prediction model as a target pressure of the next moment to control the vehicle-mounted hydrogen system to output gas. The change trend of the output pressure of the vehicle-mounted hydrogen system is judged in advance, and the pressure of the output gas of the vehicle-mounted hydrogen system is adjusted in advance, so that the supplied hydrogen can meet the requirements ofa fuel cell system.

The invention provides a crushing and mixing all-in-one machine for processing sweet-scented osmanthus tea, and belongs to the technical field of agriculture. The all-in-one machine comprises a support, a material mixing tank, a motor, a material mixing cylinder, an inner rotating cylinder, an outer rotating cylinder, a stirring shaft and stirring paddles; an inner cavity of the inner rotating cylinder communicates with an inner cavity of the material mixing cylinder; the inner rotating cylinder is separated from a hollow hole of the stirring shaft through a filter screen; the inner wall of the material mixing cylinder is provided with a plurality of longitudinally-distributed grooves; the grooves are uniformly distributed in the inner wall of the material mixing cylinder in the circumferential direction; transition between each two adjacent grooves is smooth; the inner rotating cylinder is rotationally connected with crushing shafts which are in one-to-one correspondence with the grooves; each crushing shaft is provided with crushing blades positioned in the inner rotating cylinder; the inner rotating cylinder can rotate relative to the material mixing cylinder; the stirring paddles are arranged at the lower end of the stirring shaft; the upper end of the inner cavity of the material mixing cylinder is connected with a feeding pipe; the feeding pipe is connected with a high-pressure air source; and an output shaft of the motor is fixedly connected with the inner rotating cylinder. The crushing and mixing all-in-one machine has the advantages of high efficiency and the like.

The invention relates to a rubber diaphragm synthetic material for a pressure-bearing gas pressure regulator, and a preparation method of the rubber diaphragm synthetic material. The rubber diaphragm synthetic material for the pressure-bearing gas pressure regulator comprises the following components in part by weight: 70-90 parts of nitrile rubber, 30-10 parts of chlorinated polyethylene, 10-30 parts of plasticizer, 30-50 parts of silica, 6-10 parts of vulcanizing agent and vulcanization accelerator and the balance of being other processing aids. According to the preparation method, the nitrile rubber and the chlorinated polyethylene are used as a main body, and simultaneously, an acid-filler material and a mineral oil type softener are avoided being used; in vulcanization system, low sulfur and high accelerator, peroxides and other series are adopted, so that the solubility resistance is ensured on the basis of ensuring certain elasticity; according to the rubber membrane obtained from the components by the method provided by the invention, the energy consumption is low in the rubber mixing process, the dimensional stability of an extrudate is good, the rubber surface quality is good, and under the premise of ensuring the processing performance, the performance of the rubber membrane is improved, an the service life of the rubber membrane is prolonged.

The invention provides a positive pressure type explosion-proof control cabinet and relates to the technical field of explosion-proof devices. The control cabinet is composed of a cabinet body, a maincavity element component, explosion-proof electromagnetic valves, throttle valves and pressure switches. The main cabinet body of the cabinet body is composed of an electrical cavity, an electrical cavity cabinet door, a wiring cavity and a wiring cavity door. An element component is arranged in the electrical cavity. An indicator light group and a button group are arranged on the electrical cavity cabinet door. An auxiliary box body door is arranged on the auxiliary cabinet body of the cabinet body. The inlet end of the cabinet body is connected with the explosion-proof electromagnetic valveI, the multi-stage oil-water filter and a throttle valve I in turn. The drainage end of the cabinet body is connected with the throttle valve II and the explosion-proof electromagnetic valve II in turn. The pressure switch I, the pressure switch II, the pressure switch III and a pressure gauge are connected with the pipeline of the cabinet body. An explosion-proof control box is in circuit connection with the throttle valve I, the throttle valve II, the indicator light group and the button group. According to the invention, the control cabinet has a wide application range; due to the passivity and stability of an inert gas, the inert gas is filled into the control cabinet; the internal pressure of the cabinet body is always greater than the atmospheric pressure; and the electrical operation in the control cabinet is ensured.

The invention discloses a washing device for a cement mixer. The washing device for the cement mixer comprises a water tank (1), and is characterized in that the water tank is connected with a gas storage tank (3) through a pipeline; a pressure control valve (4) is arranged between the gas storage tank (3) and the water tank (1); and the water tank is provided with a water gun (2). According to the technical scheme, the water tank is connected with the gas storage tank, so that pressure in the water tank is effectively increased, stronger initial pressure is provided for the washing device, the pipeline can be conveniently arranged, the performance of the washing device is improved, cement attached to a mixer body can be removed, the cleanliness of the mixer body is kept, and a mixing tank or other devices are prevented from being damaged by the cement; and by the pressure control valve, pressure of a gas delivered from the gas storage tank to the water tank is effectively controlled, the safety is ensured, the pressure in the water tank is controlled, and the washing device is safe and reliable.

The invention provides an exhaust system design method applied to high-pulsation-resistance exhaust of a two-cylinder piston engine, reduces the impact load suffered by a pressurizer during working, prolongs the working reliability of the pressurizer, and prolongs the service life. The method designs two aspects of contents: a pneumatic principle and a structure; the design of pneumatic principle aspect aims to reduce the pressure pulsation of air currents in an exhaust system pipe; the main design method determines structural design parameters of the exhaust system through the pressure wave analysis of the exhaust pipe, and corrects the same; and meanwhile, a high-pulsation-resistance bearing is adopted to reduce vibration under high-temperature and high-speed airflow impact of a turbocharger.

The invention discloses an asymmetric hybrid mesh electrode porous collector plate double-diaphragm safety valve coiled battery which comprises a battery shell and a battery cell, and is characterized in that the battery cell is coiled into a cylinder through a positive plate, a negative plate and a diaphragm positioned between the positive plate and the negative plate through a battery cell winding shaft; a positive collector plate and a negative collector plate are respectively arranged on the tops of two ends of the battery cell; a tab with equal length to the positive plate, namely a positive continuous tab, is arranged on the top end, which is close to one side of the positive collector plate, of the positive plate; the negative plate is a hybrid mesh electrode; a high-strength conductive fiber mesh serves as a bottom plate; and coatings of ruthenium oxide and other metallic oxides in point shape distribution and negative active substances are arranged on the bottom plate. The battery disclosed by the invention has the beneficial effects that due to the unique end-face collector structure and the hybrid mesh electrode, the current conduction ability is effectively improved, and the battery has super-capacitance high-rate charge and discharge characteristics; and moreover, the double-diaphragm safety valve is further safe, so that the performance of the battery is improved.

The invention provides a wound battery with asymmetric composite mesh electrodes, perforated collector plates and double-membrane safety valves. The wound battery comprises a battery case and a battery core; the storage battery is characterized in that the battery core is a cylindrical body formed by winding a positive plate, a negative plate and a membrane located between the positive plate and the negative plate through a battery core reel; a positive collector plate and a negative collector plate are arranged at the tops of two ends of the battery core separately; a tab, namely a positive continuous tab, which is equal to the positive plate in length is arranged at the top end of one side, close to the positive collector plate, of the positive plate; and a spiral groove body, namely a positive plate clamping groove is arranged in the corresponding collector plate. The wound battery has the beneficial effects that the current conducting capability is effectively improved through unique end-surface collector structures and high-strength fiber mesh composite electrode plates, and meanwhile, the battery has high-rate charging and discharging characteristics of a super-capacitor; and the double-membrane safety valves are safer, so that the performance of the storage battery is further improved.

A winding battery with asymmetric hybrid meshed pole plates, same-direction electrodes and dual-membrane safety valve comprises a battery shell and a battery cell and is characterized in that the battery cell forms a cylindrical body by winding a positive pole plate, a negative pole plate and a separator by a battery cell winding shaft, wherein the separator is arranged between the positive pole plate and the negative pole plate, a positive current collection disc and a negative current collection disc are respectively arranged at tops of two ends of the battery cell, a tab is arranged at a top end of one side, near to the positive current collection disc, of the positive pole plate and is equal to the positive pole plate in length, a spiral groove is formed in the current collection disc, a negative terminal is led to a positive terminal direction of the battery by an electrode terminal protection sleeve, the electrode terminal protection sleeve is arranged on a side surface of the battery shell, the negative pole plate is the hybrid meshed electrode, a high-strength conductive fiber mesh is used as a bottom plate, and metal oxide coating layers such as ruthenium oxide, which are arranged in a dot way, and a negative active substance are arranged on the bottom plate. The winding has the advantages that by a special end-surface current collection structure and the hybrid meshed electrodes, the current conduction capability is effectively improved; and meanwhile, the battery has characteristic of a supercapacitor, the dual-membrane safety valve is safer, and the performance of the battery is better.

The invention discloses a continuous tab double-diaphragm safety valve wound lead-acid battery which comprises a battery shell and a battery cell, and is characterized in that the battery cell is wound into a cylinder by a positive plate, a negative plate and a diaphragm positioned between the positive plate and the negative plate through a battery cell winding shaft, wherein a positive collector plate and a negative collector plate are respectively arranged on the top of two ends of the battery cell; a tab with equal length to that of the positive plate, namely a positive continuous tab, is arranged on the top of the positive plate close to one side of the positive collector plate; a spiral groove, namely a positive plate clamping groove, is formed in the collector plate; a continuous tab of the pole piece is clamped in a plate clamping groove along the plate clamping groove and fixed through a welding method. The battery disclosed by the invention has the beneficial effects that due to the unique end-face collector structure, the collector area of the battery plate is enlarged, and the mechanical strength and anti-shake performance of the electrode are greatly improved; and due to the double-diaphragm safety valve, the battery can be well protected, so that the safety of the battery is improved, and the cycle life of the battery is prolonged.

The invention relates to a continuous tab / dual-membrane safety valve / perforated collector disk coiled lead-acid storage battery. The lead-acid storage battery comprises a battery shell and a battery cell. The lead-acid storage battery is characterized in that the battery cell is a columnar body formed by coiling a positive pole piece, a negative pole piece and a diaphragm positioned between the positive pole piece and the negative pole piece through a battery cell roll, and the tops of the two ends of the battery cell are respectively provided with a positive pole collector disk and a negative pole collector disk; and the top end of one side of the positive pole piece close to the positive pole collector disk is provided with a tab (namely positive pole continuous tab) having the same length as the positive pole piece, the collector disk is provided with a helical groove body (namely positive pole piece clamping groove), and the continuous tab of the pole piece is clamped in the pole piece clamping groove and is fixed through a welding method. The lead-acid storage battery has the following advantages: through the unique end surface collector structure, the collection area of the battery pole pieces is increased, and the mechanical strength and anti-shake performance of the poles are greatly improved; and a dual-membrane safety valve can better protect the battery, thereby improving the safety and cycle life of the battery.

The invention discloses an efficient filtering air compressor. According to the technical scheme, the efficient filtering air compressor is characterized by comprising an air storage tank, a compression device, a power device, a mounting seat, a controller and a filtering device; the air storage tank is used for containing compressed air with pressure; the compression device is connected to the air storage tank and compresses air into the air storage tank; the power device drives the compression device to work; the compression device and the power device are fixedly connected to the top of the air storage tank through the mounting seat; the controller is used for controlling the running state of the power device; the filtering device is used for filtering air and is fixedly connected to the mounting base, the filtering device is connected to the compression device to convey the filtered air to the compression device, and the filtering device comprises a cylindrical filter shell, a filter cover matched with the filter shell and a cylindrical filter screen arranged in the filter shell; and a connecting pipe connected to the compression device is arranged on the periphery of the filter shell, the filter screen is connected to the filter shell and the filter cover in a sealed mode, and the filter cover is provided with a plurality of evenly-distributed air holes. The air compressor is stable in structure, effectively reduces air pressure floating and improves vibration reduction performance.

A winding type lead-acid storage battery with continuous tabs and a membrane safety valve comprises a battery shell, a battery cell and the safety valve and is characterized in that the battery cell forms a cylindrical body by winding a positive pole plate, a negative pole plate and a separator by a battery cell winding shaft, wherein the separator is arranged between the positive pole plate and the negative pole plate, a positive current collection disc and a negative current collection disc are respectively arranged at tops of two ends of the battery cell, a tab, namely a positive continuous tab is arranged at a top end of one side, near to the positive current collection disc, of the positive pole plate and is equal to the positive pole plate in length, a spiral groove, namely a positive pole plate clamping groove is formed in the current collection disc, and the continuous tabs of the pole plates are clamped in the pole plate clamping grooves along the pole plate clamping grooves and are fixed by a welding method. The winding type lead-acid storage battery has the beneficial effects that by a special end-surface current collection structure, the current collection areas of the battery pole plates are expanded, and the mechanical strength and the anti-vibration performance of electrodes are substantially improved; and the battery can be protected very well by the dual-membrane safety valve, so that the safety of the battery is improved, and the cycle lifetime of the battery is prolonged.

The invention relates to an asymmetric composite mesh plate same-direction electrode type double-membrane safety valve type winding battery. The winding battery comprises a battery shell and a battery cell. The winding type storage battery is characterized in that the battery cell is a cylindrical body formed by a positive plate, a negative plate and a diaphragm through the winding of a battery core reel, the diaphragm is located between the positive plate and the negative plate, and a positive current collection disc and a negative current collection disc are respectively arranged on the tops of two ends of the battery core; a lug having the same length with the positive plate is arranged on the top end of one side, close to the positive current collection disc, of the positive plate, and a spiral groove is formed in the positive current collection disc; a negative terminal is guided to the direction of a positive end of the battery through an electrode terminal protecting sleeve arranged on the side surface of the battery shell; and the negative plate is a composite mesh electrode, and metal oxide coating layers are distributed on a base plate in a strip manner. The winding battery has the beneficial effects that by utilizing a special end surface current collection structure and a high-strength fiber mesh composite plate, the strength is high, the conductivity is good, the current conduction capacity is effectively improved, and meanwhile, the battery has high-rate charging and discharging properties of a super-capacitor; and a double-membrane safety valve is relatively safe, and the battery performance is relatively good.

Disclosed is a winding battery equipped with a continuous tab asymmetrical net-shaped electrode plate homodromous electrode capsule-film safety valve. The winding battery comprises a battery shell and a cell; the winding battery is characterized in that the cell comprises a positive electrode plate, a negative electrode plate and a diaphragm, and the cell is wound into a columnar body through a cell winding shaft; a positive electrode current collecting tray and a negative electrode current collecting tray are arranged on the end top parts of the two ends of the cell respectively; a tab, which is as long as the positive electrode plate, is arranged at the top end on one side, close to the positive electrode current collecting tray, of the positive electrode plate; a spiral groove body is formed in the current collecting tray; a negative electrode terminal is lead to a positive electrode end direction of the battery through an electrode terminal protection sleeve on the side surface of the battery shell; the negative electrode plate is a composite net-shaped electrode which takes a high-strength conductive fiber net as a bottom plate; and a metal oxide coating layer in strip-shaped distribution, such as ruthenium oxide and the like, and a negative active material, are arranged on the bottom plate. By virtue of the unique end plane current collecting structure and the composite net-shaped electrodes, the current conduction capability is effectively improved; meanwhile, the battery has the super-capacitor high-rate charging and discharging characteristic; and the dual-film safety valve is safer, so that the performance of the battery is better.

A cylindrical liquid flow circulation honeycomb zinc-air battery, including a battery reaction tank, air electrode lead-out wires, and zinc electrode lead-out wires. The battery reaction tank is formed by arranging and combining tubular reaction tank monomers. The ends are respectively provided with cylindrical upper and lower sumps connected with the tubular reaction tank monomer, the center of the tube body of the tubular reaction tank monomer is provided with a columnar zinc electrode unit, and the bottom of the lower sump is Inverted conical shape, a conical conical filter is set at the bottom of the filter tank, the electrolyte is pumped into the upper liquid collection tank through the reflux pump and the reflux pump return pipe, and a double-membrane structure is installed on the cover of the reaction tank. valve. The present invention has a large amount of zinc loaded at one time, can realize energy supply like an ordinary internal combustion engine, the battery can be quickly opened and closed, and the safety valve has double gradient protection. The above-mentioned characteristics enable the zinc-air battery to meet the requirements of the vehicle power supply, and it is safer to use.

A symmetric hybrid mesh plate co electrode double membrane safety valve coiled battery comprises a battery shell and a battery cell. The symmetric hybrid mesh plate co electrode double membrane safety valve coiled battery is characterized in that the battery cell comprises a positive plate, a negative plate and a diaphragm located between the positive plate and the negative plate, the positive plate, the negative plate and the diaphragm are coiled to form a column through a battery cell winding shaft, and a positive current collector and a negative current collector are arranged on the end roofs of the two ends of the battery cell; an electrode lug with the length equal to that of the positive plate is arranged at the top end of the side, close to the positive current collector, of the positive plate, the electrode lug is a positive continuous electrode lug, and a spiral slot, namely, a positive plate clamping slot is formed in the positive current collector; the positive plate and the negative plate are hybrid mesh electrodes which are provided with metal oxide coatings such as ruthenium oxide distributed in a dotted mode. The symmetric hybrid mesh plate co electrode double membrane safety valve coiled battery has the advantages that the battery has the high current conducting capacity, super-capacitor high-rate charging and discharging capacities and the characteristic that a double membrane safety valve makes the battery safer.

Disclosed is a winding battery equipped with a continuous tab asymmetrical mixed net-shaped electrode dual-film safety valve. The winding battery comprises a battery shell and a cell; the winding battery is characterized in that cell comprises a positive electrode plate, a negative electrode plate and a diaphragm positioned between the positive electrode plate and the negative electrode plate, and the cell is wound into a columnar body through a cell winding shaft; a positive electrode current collecting tray and a negative electrode current collecting tray are arranged on the end top parts of the two ends of the cell respectively; a tab, which is as long as the positive electrode plate, and namely, a positive electrode continuous tab, is arranged at the top end on one side, close to the positive electrode current collecting tray, of the positive electrode plate; a spiral groove body, namely a positive electrode plate clamping groove, is formed in the current collecting tray; the negative electrode plate is a mixed net-shaped electrode and takes a high-strength conducive fiber net as a bottom plate; and a metal oxide coating layer in dotted distribution, such as ruthenium oxide and the like, and a negative electrode active material are arranged on the bottom plate. The winding battery has the beneficial effects as follows: by virtue of the unique end plane current collecting structure and the mixed net-shaped electrodes, the current conduction capability is effectively improved; meanwhile, the battery has the super-capacitor high-rate charging and discharging characteristic; and the dual-film safety valve is safer, so that the performance of the battery is improved.

The invention relates to the technical field of glass processing, and discloses a glass blow molding device capable of controlling blowing force by using friction force. The device comprises a rack, wherein a mold is fixedly connected to the inner wall of the rack, a threaded mold is arranged in and fixedly connected with the mold, a driving wheel is engaged with the left side of the threaded mold, an electrode block is fixedly connected to the top of the mold, a swing claw is movably connected to the outer side of a rotating wheel, an inner wheel is fixedly connected to the interior of a friction wheel, a friction block is slidably connected to the inner wall of the inner wheel, a fixed spring is fixedly connected to the side, away from the friction wheel, of the friction block, and a stop block is fixedly connected to the inner wall of an air pipe. According to the glass blow molding device capable of controlling the blowing force through the friction force, a lifting rod drives a guide rod to descend, the guide rod descends to enable the electrode block to conduct electricity, the electrode block conducts electricity to enable the driving wheel to rotate, and then the driving wheel and the thread mold are used in cooperation, so the effect of automatically removing burrs of a thread opening is achieved.

The invention discloses a carbon dioxide waste gas treatment device for a dry ice machine. The waste gas produced by the dry ice machine comprises the continuous waste gas output from a hydraulic station, and the intermittent waste gas output from the pre-crystalline tank and a crystalline cylinder barrel, wherein the continuous waste gas and the intermittent waste gas converge into one strand, the waste gas treatment device comprises a first buffer tank for leading the continuous waste gas in, and a second buffer tank for leading the intermittent waste gas in, the first buffer tank communicates with the second buffer tank, the first buffer tank is connected to the input end of a compressor, the output end of the compressor is connected to the input end of an adsorption bed, the output endof the adsorption bed is connected to the input end of a liquidator, the output end of the liquefaction is connected to the input end of a flash evaporator, and the output end of the flash evaporatoris connected to a liquid-state carbon dioxide storage tank. By means of the carbon dioxide waste gas treatment device, the continuous waste gas and the intermittent waste gas converge into one strand, and the gas with the stable pressure is output by the compressor and recycled as liquid-state carbon dioxide through a follow-up device.

A winding battery with asymmetric composite meshed pole plates, same-direction electrodes and a membrane safety valve comprises a battery shell and a battery cell and is characterized in that the battery cell forms a cylindrical shape by winding a positive pole plate, a negative pole plate and a separator by a battery cell winding shaft, wherein the separator is arranged between the positive pole plate and the negative pole plate, a positive current collection disc and a negative current collection disc are respectively arranged at tops of two ends of the battery cell, a tab, namely a positive continuous tab is arranged at top end of one side, near to the positive current collection disc, of the positive pole plate and is equal to the positive pole plate in length, a spiral groove, namely a positive pole plate clamping groove is formed in the current collection disc, a negative terminal is led to a positive end direction of the battery by an electrode terminal protection sleeve, and the electrode terminal protection sleeve is arranged on a side surface of the battery shell. By a special end-surface current collection structure and the high-strength fiber meshed composite pole plates, the current conduction capability is effectively improved; meanwhile, the battery has high-rate charge and discharge characteristic of a supercapacitor; and the dual-membrane safety valve is safer, so that application performance of the storage battery is further improved.

The invention relates to an automatic exhaust device of a biogas tank, belonging to the technical field of biogas production and manufacture. The automatic exhaust device of the biogas tank comprisesan exhaust pipe, an explosion-proof electromagnetic valve, a pressure sensor, a processing and control unit and a water return elbow pipe, wherein the explosion-proof electromagnetic valve is installed on the exhaust pipe; a U-shaped drain pipe is connected with the exhaust pipe at the left side of the explosion-proof electromagnetic valve; the front end of the water return elbow pipe is connectedwith the exhaust pipe between the explosion-proof electromagnetic valve and the U-shaped drain pipe, and the rear end of the water return elbow pipe is connected with the tail end of the right side of the exhaust pipe; the pressure sensor is connected with a signal input end of the processing and control unit, and a control end of the processing and control unit is connected with the explosion-proof electromagnetic valve. During installation, the left port of the exhaust pipe is installed on the top of the inside of the biogas tank, and water is injected into the water return elbow pipe; whenthe gas pressure is greater than a set value, the pressure sensor receives a pressure signal and sends same to the processing and control unit; the processing and control unit controls the explosion-proof electromagnetic valve to be opened, and the gas is discharged through the right port of the exhaust pipe. The device provided by the invention can prevent accidents caused by excessive pressurein the biogas tank, and enables the biogas tank to be high in gas generation rate, safe and stable.

The invention provides an electrostatic chuck which particularly comprises the components of a base board; and a ceramic electrolyte substrate which has a first main surface. The electrostatic chuck is characterized in that the first main surface at least comprises a first area and a second area which is adjacent to the first area; the first area is provided with a plurality of first grooves, at least one first gas guiding hole which is connected with at least one of the plurality of first grooves, at least one second groove which extends in a direction that is crossed with the plurality of first grooves, wherein the planar shape of the plurality of first grooves is approximately circular, and the plurality of first grooves are coaxially arranged. The second groove is connected with at least two first grooves. When projected to a plane which is perpendicular with a first direction from the base board to the ceramic electrolyte substrate, at a part which is connected with the first grooves and the second groove, at least one part of the first gas guiding hole is superposed with at least one in the first grooves and the second groove.

Disclosed is a liquid flow circulation honeycomb type zinc air battery equipped with a capsule-film safety valve. The zinc air battery comprises a battery reaction tank, an air electrode lead wire, and a zinc electrode lead wire, wherein the battery reaction tank is formed by single tubular reaction tanks in an arrangement way; a square upper electrolyte collecting tank and a square lower electrolyte collecting tank connected with each single tubular reaction tank are formed in the upper and lower ends of each single tubular reaction tank respectively; a single columnar zinc electrode is arranged in the tubular centre of each single tubular reaction tank; the bottom of each lower electrolyte collecting tank adopts an inverted pyramid shape; a pyramid-shaped conical filter is arranged at the bottom of a filtering tank; an electrolyte is pumped to each upper electrolyte collecting tank through a reflux pump and a reflux pump return pipe; and a safety valve with a dual-film structure is arranged on a cover plate of the reaction tank. The zinc air battery is high in zinc loading amount in one time, capable of realizing energy supplying as a common internal combustion engine and capable of being started and closed rapidly, and has a dual gradient protection effect due to the safety valve; and by virtue of the characteristics, the zinc air battery can satisfy requirement a vehicle power supply and is safer in use.

A wound battery with continuous lugs, symmetric composite net-shaped electrodes and a bag membrane safety valve comprises a battery shell and a cell, and is characterized in that the cell is wound into a columnar body by means of a positive pole piece, a negative pole piece and a membrane between the positive pole piece and the negative pole piece through a cell winding shaft; a positive pole current collection plate and a negative pole current collection plate are arranged at the tops of the two ends of the cell respectively; the lug with the same length as the positive pole piece is arranged at the top of the side, close to the positive pole current flow plate, of the positive pole piece and serves as the positive pole continuous lug; the positive pole current collection plate is provided with a spiral groove which is a positive pole piece clamping groove; the positive pole piece and the negative pole piece are the composite net-shaped electrodes, high-strength conductive fiber nets serve as bottom plates of the electrodes, and coatings made of ruthenium oxides and other metal oxides and positive and negative pole active matter which are distributed in strip shapes are arranged on the bottom plates. The wound battery has the advantages that by means of the special end face current collection structure and the composite net-shaped electrodes, the current conduction capacity is effectively improved, so that the battery has high-rate charge and discharge characteristics of supercapacitors, the dual-membrane safety valve is safer so that the properties of the battery can be better.

A symmetric hybrid mesh plate co electrode double membrane safety valve coiled battery comprises a battery shell and a battery cell. The symmetric hybrid mesh plate co electrode double membrane safety valve coiled battery is characterized in that the battery cell comprises a positive plate, a negative plate and a diaphragm located between the positive plate and the negative plate, the positive plate, the negative plate and the diaphragm are coiled to form a column through a battery cell winding shaft, and a positive current collector and a negative current collector are arranged on the end roofs of the two ends of the battery cell; an electrode lug with the length equal to that of the positive plate is arranged at the top end of the side, close to the positive current collector, of the positive plate, and a spiral slot is formed in the current collector; a negative terminal is introduced to the positive terminal direction of the battery through an electrode terminal protection cover arranged on the side surface of the battery shell; the positive plate and the negative plate are hybrid mesh electrodes, a high-strength conductive fiber mesh serves as a bottom plate, the bottom plate is provided with metal oxide coatings such as ruthenium oxide and positive and negative active materials which are distributed in a dotted mode. The symmetric hybrid mesh plate co electrode double membrane safety valve coiled battery has the advantages that the current conducting capacity is effectively improved through the unique end surface current collection structure and the hybrid mesh electrodes; meanwhile, the battery has super-capacitor characteristics, and a double membrane safety valve makes the battery safer.