31results about How to "Reduce flow" patented technology

This invention provides a connection structure for air conditioning pipes, relating to the field of air conditioning pipe connections. It includes: a connecting pipe, a fixing plate, sealing washers, a connecting nut, a connecting platform, a connecting plate, an audible and visual alarm, and a fixing rod. The fixing plate is fixedly connected to the middle of the connecting pipe. The connecting nut is threadedly connected to the left and right sides of the connecting pipe. The sealing washers are located on the left and right sides of the connecting pipe. The connecting platform is fixedly connected to the outside of the connecting nut. The connecting plate is threadedly connected to the outside of the connecting platform. The audible and visual alarm is fixedly connected to the outside of the connecting plate. The fixing rod is fixedly connected to the middle of the connecting pipe. This invention avoids situations where the connection lengths of the copper pipes on both sides differ excessively, ensuring the tightness of the air conditioning pipe connection, improving the connection effect of the air conditioning pipe, and enhancing the usability of the connection structure. It solves the problem that existing connection structures easily affect the connection effect of air conditioning copper pipes and the usability of the connection structure itself.

The invention relates to overheat controlled thermal storage. A vapor compression system includes a compressor, a condenser, an expansion device, and an evaporator fluidly connected to form a closed fluid circuit having a working fluid circulating therethrough. The thermal storage device includes a storage material, and the thermal storage device is thermally coupled to the closed fluid circuit downstream of the expansion device with respect to the flow of the working fluid. The vapor compression system is controllable such that the heat storage device is operable to both store and release heat when the working fluid circulates through the closed fluid circuit in a given direction.

The utility model belongs to ultrasonic water gauge technical field discloses a kind of circuit board module and ultrasonic water gauge.The circuit board module includes glue filling box, circuit board, liquid crystal screen and liquid crystal support. Among them, liquid crystal support sealing connection is at the bottom of glue filling box, and form airtight space between with the bottom of glue filling box, liquid crystal screen is set in airtight space, circuit board is set in glue filling box and located the side of liquid crystal support far from liquid crystal screen.Good at liquid crystal screen is equipped with connecting pin foot, and liquid crystal support is provided with connecting convex part towards circuit board, connecting pin foot is arranged in connecting convex part and is connected with circuit board, to realize the electric connection of liquid crystal screen and liquid crystal support, and connecting pin foot is connected with circuit board by connecting convex part, increase the arrangement path of connecting pin foot in liquid crystal support, so that even when filling, filling glue flows into airtight space by connecting pin foot, due to the additional connecting convex part, increase flow path, to effectively prevent filling glue from polluting liquid crystal screen.

This invention discloses a rainproof and warm velvet fabric, which is formed by cutting and finishing an upper and lower base fabric connected by pile warps. The upper and lower base fabrics include a weft channel formed between the rainproof layer and the velvet layer base fabric. The upper base fabric is woven from upper warp and upper weft yarns, and the lower base fabric is woven from lower warp and lower weft yarns. Some of the upper and lower weft yarns use water-swellable yarns that have undergone waterproofing treatment, giving the fabric rainproof properties, while the cut pile velvet fabric provides warmth. The water-swellable yarns used expand after absorbing water, reducing airflow and thus working well with the velvet fabric for excellent warmth retention. When it doesn't rain, after the fabric dries, these water-swellable yarns return to their original shape, and the fabric can be used as normal.

The invention relates to the technical field of clothes treatment equipment, in particular to a drying control method of clothes treatment equipment, electronic equipment and the clothes treatment equipment. The clothes processing equipment comprises a plurality of washing drums which operate independently, a drying air supply assembly and a water injection assembly. An air outlet is formed in the bottom of each washing drum, and an extending air duct is arranged corresponding to each washing drum; the drying control method comprises the steps that under the condition that at least one washing drum starts a drying program in a controlled mode, the current operation states of the other washing drums are detected, and the current operation states comprise the idle state and the non-idle state; and under the condition that the current operation state shows that the non-drying cavities in the idle state exist in the other washing drums, the water injection assembly is controlled to inject washing water into the washing drums of the non-drying cavities in the idle state. The drying efficiency and the drying effect of the clothes processing equipment can be improved.

The utility model relates to a high pressure resistant type deep sea hydrophone, and relates to the field of hydrophones, the high pressure resistant type deep sea hydrophone comprises a housing used for accommodating a hydrophone body, the top of the housing is provided with a top cover, a vibration damping assembly is arranged between the housing and the hydrophone body, and the top cover is provided with a through hole for a cable of the hydrophone body to pass through. The hydrophone has the advantages that the stability and reliability of the hydrophone body during deep sea operation are improved, and the service life is prolonged.

This invention provides a method for curing ultra-thick, irregular concrete roof slabs in medical linear accelerator chambers, belonging to the field of large-volume concrete structure construction technology. In this invention, as the roof slab pouring nears completion, the 1.5m thick slab is poured first, at which point the 3m thick portion of the slab is about to begin formwork pouring. The 1.5m thick slab enters the curing stage first and requires proper protection. After the 3m thick slab is poured, its sides differ from the top surface, requiring formwork curing. Curing utilizes geotextile for moisture retention and cotton cloth for insulation as basic methods, resulting in different treatment approaches for different thicknesses, the top surface, and the formwork-covered areas. This invention ensures that concrete at different development stages and under different exposure conditions can be cured in one go, preventing concrete cracking.

The application discloses a flow regulating period flow limiting valve and a use method thereof, and belongs to the technical field of flow limiting valves. The flow regulating period flow limiting valve comprises a mounting fixed plate, an extended water flow cavity is arranged at the lower end of the mounting fixed plate, a main filter screen is arranged at the lower end of the outside of the flow limiting plate, a main filter cavity is arranged in the middle of the inside of the main filter screen, an extended filter screen is arranged at one side of the outside of the main filter screen, a water flow direction limiting ring is arranged at the outside of the extended water flow cavity, and a transmission structure storage cavity is arranged at the upper end of the outside of the water flow direction limiting ring. The application solves the problem that the existing flow limiting valve does not actively filter and limit the inflowing liquid, and internal blockage is caused. The set main filter screen can continuously filter the liquid, continuously limit and filter the flowing liquid, the extended extended filter screen can cope with the rotation and unfolding of the flow limiting plate, and the filtration of the liquid is avoided from being stopped due to unfolding.

The utility model discloses a textile processing equipment nozzle device relates to the field of textile equipment, including base, the inside fixedly connected with bottom plate of base, the inside of bottom plate is established with the feedway, the upper surface fixedly connected with the connecting plate of bottom plate, the upper end fixedly connected with the conical ring of connecting plate, the inside through -going of conical ring is established with the feed hole, the top fixedly connected with the spray head of conical ring, the feed hole with feedway intercommunication, the inside through -going connection with the feed pipe of base, the right -hand member of feed pipe with feedway intercommunication. In the utility model, the inside of feedway is sent into the feed hole with dye, and the aperture of reduction accelerates the flow rate of dye, and simultaneously through the diameter of reducing spray head and conical head accelerates the gas flow, and dye and gas collide together, thereby the spray of dye atomization is to the work piece, and the even spray of convenient is prevented to cause the damage to work piece.

The utility model discloses a thermal insulation storage device for concrete block production, which relates to the technical field of concrete block production and comprises a supporting table, supporting columns are arranged on the bottom surface of the supporting table, and supporting legs are arranged on the bottom surfaces of the supporting columns; a bearing plate and an inverted-U-shaped plate are arranged on the upper side of the supporting table, and the bottom face of the bearing plate is connected with the supporting table through a plurality of evenly-distributed buffer springs. A slide way is arranged on the top surface of the bearing plate; two sliding grooves are formed in the top face of the supporting table, sliding rails are arranged in the sliding grooves, and second sliding blocks are arranged on the two sliding rails. The two bottom faces of the inverted-U-shaped plate are fixedly connected with the two second sliding blocks correspondingly. According to the actual specifications of concrete blocks, the distance between the partition plates is adjusted, the positions of the partition plates are fixed through the limiting rods, the limiting holes and the limiting grooves, the concrete blocks are stacked on the bearing plate, the buffer springs at the bottom of the bearing plate can prevent the blocks from vibrating in the placing process, the situation that the blocks fall off is avoided, and then the blocks are protected.

The utility model discloses a kind of Chinese cabbage cleaning machines, it is related to food processing technical field, the utility model includes bubble cleaning machine main part, bubble cleaning machine main part backside side is equipped with speed reducer, bubble cleaning machine main part top side is connected with two symmetrical distribution's bearing seat, speed reducer output end is connected with two bearing seats between framework, framework top is fixed with locating seat, locating seat inside is connected with pressing plate by support shaft.The utility model is equipped with the setting of speed reducer, framework and pressing plate, speed reducer can drive and the framework of bearing seat connection autorotation, and then drive pressing plate tail cover framework center of mass revolution;When pressing plate revolution is in water before, it can be correspondingly rotated clockwise downward with the framework axial center under the action of gravity, the buoyancy of cabbage leaf and bubble rising force are overcome by pressing plate weight, cabbage leaf is pressed into water, so that cabbage leaf upper and lower surface can be fully contacted with bubble and water flow, effectively improve cleaning uniformity;Give consideration to cleaning effect and leaf appearance integrity.

The utility model relates to the technical field of polypeptide processing, in particular to a multi-stage circulating filtering device for polypeptide synthesis reaction liquid, and aims to solve the problem that foreign matters easily enter filtering equipment when a filter element is replaced. The multi-stage circulating filtering device comprises a barrel, a through hole is formed in the upper surface of the barrel, and a lifting assembly is arranged above the barrel. Through cooperation of a hydraulic rod, a sealing cover and a first magnetic ring, the first magnetic ring applies pressure to a second magnetic ring, a filter cloth performs preliminary filtration on a reaction liquid, a filter membrane performs secondary filtration on the reaction liquid, and under the cooperation action of the hydraulic rod, the sealing cover and the first magnetic ring, the first magnetic ring drives the second magnetic ring to move out of the cylinder; after the second magnetic ring is detached, the through opening is sealed again, flowing of air inside and outside the cylinder is reduced, the filter membrane and the filter cloth which are replaced are installed and positioned through magnetic adsorption of the first magnetic ring and the second magnetic ring, the installation efficiency is improved, the contact time with the outside is shortened, and the safety of reaction liquid is improved.

The application relates to the field of intelligent electrical appliances, in particular to a cleaning device and a dust box assembly. The dust box assembly comprises a first box cover, a second box cover, a third box cover and a filtering assembly. The first box cover is provided with a dust collection cavity with an open end, and a dust suction opening communicating with the dust collection cavity is formed; the second box cover is arranged at the open end and is in sealing connection with the dust collection cavity; a mounting and positioning groove for mounting the filtering assembly is formed on the side of the second box cover away from the first box cover; a ventilation opening communicating with the dust collection cavity is formed in the groove bottom of the mounting and positioning groove, and a dust collection filter screen is arranged on the ventilation opening; the third box cover is arranged on the side of the second box cover away from the first box cover, is detachably connected with the first box cover and is in sealing connection with the periphery of the second box cover, and the third box cover is provided with a suction opening communicating with the dust collection cavity through the ventilation opening. The cleaning device and the dust box assembly provided by the application can reduce the resistance and operation energy consumption of the dust suction air duct, and improve the cleaning effect.

The present application belongs to wastewater and waste gas treatment technical field, specifically to a waterproof roll production wastewater and waste gas environmental protection treatment device, including water washing tower and treatment box, wherein, the inside of treatment box is sequentially provided with heat exchange cavity and wastewater treatment cavity from top to bottom, the inside of heat exchange cavity is provided with heat exchange mechanism along its front and back direction at equal intervals, and the inside of wastewater treatment cavity is provided with aeration mechanism; wherein, the heat exchange mechanism includes: S-shaped gas inlet pipe, S-shaped gas inlet pipe is distributed along the front and back direction of heat exchange cavity at equal intervals; S-shaped liquid inlet pipe, S-shaped liquid inlet pipe is sleeved on the outside of S-shaped gas inlet pipe; the aeration mechanism includes: flow channel plate, flow channel plate is distributed along the inside height direction of wastewater treatment cavity at equal intervals; fixed plate, fixed plate is fixed along the front and back direction of flow channel plate at equal intervals; aeration pipe placing groove, aeration pipe placing groove is arranged between two adjacent fixed plates. In the process of shunting treatment of wastewater and waste gas, the present application utilizes waste gas and wastewater during stirring heat exchange to reduce regional temperature difference.

This utility model belongs to the field of inflatable mattress technology, specifically relating to an inflatable mattress with a perforated reflective film. It includes an inflatable mattress body with an inflation cavity inside. Within the inflation cavity, there are reinforcing ribs and a perforated reflective film. The edges of the perforated reflective film are connected to the inner wall of the inflation cavity, and several perforations are provided on the perforated reflective film. Several reinforcing ribs are independent of each other; the upper end of each reinforcing rib is connected to the inner top wall of the inflation cavity, and the lower end of each reinforcing rib passes through the corresponding perforation and connects to the inner bottom wall of the inflation cavity. In this design, placing the perforated reflective film in the center of the inflation cavity can reflect the heat radiated by the human body, while reducing airflow within the inflation cavity and improving the thermal insulation performance of the inflatable mattress. Furthermore, since welding is not required between the reinforcing ribs or between the reinforcing ribs and the perforated reflective film, the amount of welding work is reduced, the number of welding points is decreased, and production efficiency is improved.

The utility model relates to concrete pouring technology field especially a kind of slope roof concrete pouring device, including pouring bottom plate, pouring protective assembly is arranged outside the pouring bottom plate, the top of pouring bottom plate is provided with inclined plane concrete pouring layer, the bottom of pouring bottom plate is equipped with adjusting support mechanism, the bottom of adjusting support mechanism is provided with fixed support mechanism.Automatic benefit effect lies in: the utility model is according to the inclination angle of slope roof, gear engagement drives the movement of toothed plate, toothed plate moves the same distance along first support plate left and right, to adjust the unfolding angle of pouring bottom plate to be consistent with the inclination angle required by slope roof flexibly, so that the bottom of pouring bottom plate can be stably supported on both sides, and it is convenient to stably support the concrete pouring of slope roof pouring of different inclination angles.

The utility model discloses a glass -fibre reinforced plastic container winding device, including being used to bear glass -fibre reinforced plastic container and drive rotating rotating seat and stand of glass -fibre reinforced plastic container, the both sides of stand are slidly installed with first lifting frame and second lifting frame, be provided with glass fibre direction subassembly on first lifting frame, be provided with lifting mechanism between first lifting frame and stand, and first lifting frame and second lifting frame are connected through cable and trolley wheel, second lifting frame is connected with scraper through telescopic component. The scraper is upwardly coated with the glue on the surface of glass -fibre reinforced plastic container in the movement from below to top, slows down the downward flow of the epoxy resin glue under the action of gravity, makes the glue distribution on the surface of glass -fibre reinforced plastic container more uniform, improves the overall processing quality of glass -fibre reinforced plastic container, and also makes the gravity of second lifting frame offset a part of first lifting frame, reduces the load of lifting mechanism.

The invention provides an electronic device. The electronic device includes a housing, a display screen, an internal member, and a speaker device. The housing has a first mounting portion for mounting the internal member in a central region adjacent to one side of the top surface. A sound outlet channel is defined by the display screen and the shell, and a first sound outlet hole is formed in the side, facing the top face, of the first installation part of the electronic equipment. The loudspeaker component is arranged on one side of the first installation part of the shell, and the sound outlet channel is arranged on the side of the first installation part in a surrounding mode and is communicated with the first sound outlet hole. The channel wall of one side, adjacent to the first installation part, of the sound outlet channel is provided with an expansion groove. The expansion groove is used for expanding the cross section area of the sound outlet channel corresponding to the first installation part. On the basis that the display screen and the shell are sealed between the sound outlet channel and the first mounting part, the appearance of airflow sound can be reduced or even avoided through the expansion groove, the symmetry of answering a call or receiving voice information by holding the electronic equipment with the left hand and the right hand of a user can be optimized as much as possible, and the user experience is improved.

The utility model provides a kind of anti-residue structure suitable for multilayer board processing, including substrate;The substrate includes a plurality of interval distribution's circuit board unit, the circuit board unit includes isolation part, electroplating part and conductive part, the conductive part is located in the edge of the circuit board unit, the electroplating part is connected with the conductive part, the isolation part is arranged around the electroplating part, the electroplating part is surrounded by the conductive part and the isolation part, the thickness of the conductive part and the isolation part is same;The side of the conductive part away from the electroplating part is equipped with glue flow structure, the glue flow structure includes annular groove, the annular groove is closed shape, opposite sides of the annular groove are connected with straight groove, two the straight groove is connected to the edge of the conductive part and adjacent circuit board unit respectively.The utility model can effectively prevent gold finger from appearing residue phenomenon, improve processing quality and yield.

The utility model provides a kind of outdoor blanket convenient to activity, it includes blanket body, the blanket body includes the warm layer and waterproof layer of laminated connection, the blanket body is provided with two activity areas, the activity area includes activity mouth, activity cloth and waterproof cover, the activity mouth is through the warm layer and the waterproof layer, the activity cloth is connected with the warm layer of activity mouth edge, the middle part of waterproof cover forms activity inner chamber, and the two ends of waterproof cover form annular first port and annular second port respectively, the first port is connected with the waterproof layer of the periphery edge of activity mouth, the second port of waterproof cover is provided with annular hem, and the inside of annular hem is provided with elastic contraction rope.The second port of the utility model's waterproof cover is provided with annular hem and elastic contraction rope, so that second port is closed in natural state, to avoid rainwater into, while reducing internal and external gas flow, improve heat preservation effect.

This utility model discloses a battery cell module stacking fixture, including: a positioning plate, with a battery cell module disposed below the positioning plate; wherein, both ends of the positioning plate are folded downward to form positioning folded edges corresponding to the ends of the battery cell module, and a first observation hole is opened at one end of the inner side of the positioning plate, and a second observation hole is opened at the other end of the inner side, which is offset from the first observation hole, and both the first and second observation holes are rectangular; by providing a positioning plate, a first observation hole, a second observation hole, and positioning folded edges, this fixture, after being used with the module, can observe and compare the materials through the holes. If the materials are consistent, it indicates that the product is qualified, which can effectively reduce the flow of unqualified products to the next station, and facilitate timely detection and rework at this station.

This utility model relates to the field of industrial waste liquid recycling technology, specifically an acid and alkali recovery and recycling device for mold washing in a glove production line. It includes a tank, which contains a liquid storage tank with a floating top cover and an exhaust assembly on the top surface. This utility model, by setting baffles to reduce liquid flow at the bottom and facilitate impurity settling, and by using a flushing assembly and a slag discharge pipe to facilitate cleaning of the storage tank; by setting a floating cover to cover the top surface of the waste liquid, it can reduce the volatilization and evaporation of substances in the liquid, reduce chemical loss, and allow for direct observation of the liquid level; the cover adopts a modular design and uses magnetic connection, allowing for adaptation to different tank sizes and liquid level fluctuations by increasing or decreasing the number of covers; by setting a negative pressure assembly, it can remove waste gas evaporated or volatilized from the uncovered liquid surface, avoiding environmental pollution.

This invention relates to a positive electrode for a lithium secondary battery and a lithium secondary battery. Specifically, the positive electrode includes: a first positive electrode binder layer in contact with a positive electrode current collector; and at least one second positive electrode binder layer disposed on the first positive electrode binder layer. The first positive electrode binder layer comprises a first positive electrode active material and a first binder, and the second positive electrode binder layer comprises a second positive electrode active material and a second binder. The average particle size (D) of the first positive electrode active material is... 50 The particle size is smaller than the average particle size (D) of the second positive electrode active material. 50 The cathode has a diameter of 0.1 μm to 2 μm. It exhibits improved penetration resistance even when metal objects such as nails penetrate the electrode, while also possessing high capacity, high output performance, excellent cycle characteristics, and thermal stability.

The utility model discloses a kind of aromatherapy seat and the fan of application thereof, aromatherapy seat includes shell and the drive motor, aromatherapy bottle, bottle seat and cotton ring being arranged in the shell, drainage device is arranged at the bottle mouth of the aromatherapy bottle, when the bottle seat or cotton ring is rotated by the drive motor, the drainage device on the aromatherapy bottle can be contacted with at least part of the inner ring surface of the cotton ring to guide the aromatherapy liquid in the aromatherapy bottle to flow on the cotton ring;Such aromatherapy seat can well control the output of aromatherapy liquid, and aromatherapy seat is applied to fan to realize the speed of accurate control aromatherapy diffusion.

The utility model discloses an easily exhaust's glass fiber plate production is with pressing device, including base, be provided with conveyer belt on the base, be provided with pressing groove on the conveyer belt, be provided with the gradual temperature rising mechanism in the base below the pressing groove, conveyer belt both sides are provided with pressing mechanism support frame, be provided with segmented pressing mechanism on the pressing mechanism support frame, be provided with PLC controller on the pressing mechanism support frame, the PLC controller is electric with gradual temperature rising mechanism, segmented pressing mechanism links to an electrical appliance, through the installation gradual temperature rising mechanism, by the PLC controller control temperature -rising switch start, respectively control first heating tube, second heating tube, third heating tube heating makes the temperature -rising board temperature -rise to 50 the degree Celsius 80 the degree Celsius 120 the degree Celsius, makes resin slowly flow along with temperature rise, along with resin flow makes the gas of inside exhaust.

The utility model discloses a warmer which belongs to the technical field of warming equipment and comprises a main machine body, a front panel, a rear panel, a fan and an air outlet are arranged on the main machine body, the front panel and the rear panel are arranged in a front-back spaced mode, a middle plate is arranged between the front panel and the rear panel, and a front air channel and a rear air channel are formed between the middle plate and the front panel and between the middle plate and the rear panel respectively. Heating films or heating coatings are arranged on the inner wall of the front panel and / or the inner wall of the rear panel and / or the front wall of the middle plate and / or the rear wall of the middle plate, and the air outlet and the fan are arranged up and down. The structure is provided with the front air duct and the rear air duct, the problem of disordered movement during air flowing can be solved, the air inlet amount and the air outlet amount can be reduced, the safety problem of too high local temperature is solved, meanwhile, the heating film or the heating coating is high in heating speed during working, and the effect of generating heat immediately after being powered on can be achieved; the warmer can achieve double-face large-range heat radiation in the front-back direction, and in addition, hot air of the air outlet is rapidly blown out, so that rapid warming of the surrounding environment can be effectively achieved.

The application relates to the technical field of energy storage battery pack cooling devices, in particular to a thermal boundary layer control and heat conduction plate compensation battery pack liquid cooling device which comprises a lower box body. A bottom plate is arranged at the bottom of the lower box body. The cooling liquid in the lower liquid inlet pipe forms a stable laminar flow through the buffer channel, enters the bottom of the lower box body, and is not directly washed to the battery at the bottom due to the fact that the bottom support member lifts the battery body, but flows over the surface of the battery from bottom to top after being gathered in the cavity, and is then discharged through the upper liquid outlet pipe two of the upper box body. The spoiler is located in the gap between the batteries, can thin the thermal boundary layer, and reduce the heat exchange efficiency difference between the upper and lower ends of the battery. The heat conduction plate evaporation section contacts the battery for heat conduction, the condensation section extends into the cavity through the slot-shaped opening of the upper box body, the cooling liquid flowing through the cavity through the upper liquid inlet pipe of the upper box body exchanges heat with the condensation section, and finally the cooling liquid is discharged from the upper liquid outlet pipe one and two of the upper box body, completing the cooling cycle.

The application discloses a method for manufacturing a blank by using a special-shaped beating plate, wherein the special-shaped beating plate is composed of a handle part and a compacting part, and the profile of the special-shaped beating plate is generated according to the profile of a forged piece after final rolling according to the equal volume distribution principle. The blank manufacturing method comprises the following steps: a first beating plate is used to press the outer diameter surface of a blank, and a mandrel is arranged in parallel on the inner diameter surface of the blank and is used to expand the hole of the blank; one end of the blank is raised, a second beating plate is used to press the outer diameter surface of the blank, the mandrel is raised in the opposite direction of the raised end of the blank, and the inner diameter surface of the blank is expanded obliquely; at this time, the forces on the two ends of the blank are different, and the blank presents a shape of a bell mouth; the big end of the bell mouth of the blank is raised, the compacting part of a third beating plate is used to press the outer diameter of the blank, the mandrel still keeps expanding the hole obliquely, and according to the equal volume principle, the outer diameter profile of the blank is a special-shaped surface; and the flat end surface is raised to the required height, and the final rolling is performed. According to the blank manufacturing method and the special-shaped mandrel, the outer diameter surface of the blank mandrel is a special-shaped surface, and the size requirement is met.

The utility model relates to a pole plate pore channel supporting device which comprises a pole plate, a plurality of pore channels are evenly formed in the circumferential direction of the pole plate, a gasket is attached to one side of the pole plate, through holes are formed in the positions, corresponding to the pore channels of the pole plate, of the gasket and communicated with the pore channels, and supporting rings are inserted into the pore channels. One end of each supporting ring is inserted into the corresponding hole channel, and the other end of each supporting ring is inserted into the corresponding through hole. The method has the effect of reducing the probability that the gasket blocks the hole channel.