30results about How to "Realize multiple use" patented technology

The utility model belongs to the technical field of sewage purification, particularly relates to intelligent integrated water supply equipment for secondary water supply, and provides the following scheme aiming at the problems that the sewage treatment effect is influenced by impurities in the existing domestic sewage and the addition of liquid medicine such as disinfectant is not convenient and reasonable enough, and the intelligent integrated water supply equipment comprises a sewage treatment body, the sewage treatment body is composed of a treatment box and a protective shell, the protective shell is fixedly installed on one side of the treatment box, a liquid storage box is fixedly installed on one side of the sewage treatment body and used for storing disinfectant, and a filter plate is fixedly installed on the inner wall of the treatment box. The intelligent integrated water supply equipment for secondary water supply can filter and collect impurities in domestic sewage, can also drive an iron sealing block to rise through an ejector rod to realize interval discharge of disinfectant, can also stir the sewage, can enable the sewage and the disinfectant to be better mixed, is beneficial to realizing repeated utilization of a water source, and is convenient to use. And the requirement of urban secondary water supply is met.

The utility model relates to a protective device, belongs to the technical field of central air conditioners, and particularly relates to a drip-proof central air conditioner protective device which comprises a frame, a connecting frame, a dovetail groove, a dovetail block, a water collecting box and a collecting box, a sliding unit is arranged on the inner wall of the collecting box, and an extrusion block and an extrusion plate are arranged in the collecting box through the sliding unit. A sponge block is installed on one side of the extrusion block, an avoiding hole is formed in the inner wall of one side of the frame, a sliding rod is fixedly connected to one side of the extrusion plate, the surface of the sliding rod is sleeved with a spring, and the surface of the sliding rod is slidably connected with the inner wall of the avoiding hole; by means of the collecting assembly, water drops caused by condensation can be collected, the use safety of the air conditioner is improved, and the problems that when an existing air conditioner conducts refrigeration, when the temperature of fed cold air is lower than the indoor dew point temperature, condensed water drops can be generated on the wall of an air pipe, the periphery of an air opening and blades, the water drops can drop out along the air opening, and the use safety of the air conditioner is affected are solved. And unsafe hidden dangers are caused to the equipment.

The present invention discloses a steel ball replaceable spline shaft nylon shaping tooth side positioning device, which mainly includes a nylon shaping tool die seat, etc. The nylon shaping tool is installed in the center of the nylon shaping tool die seat and fixed on the top with a nylon shaping tool pressing plate, a lower center is installed in the center hole of the nylon shaping tool die seat, an upper center is installed just above the lower center, a processing part is clamped between the upper center and the lower center, the nylon shaping tool is located outside the processing part, a linear slider is installed on one side of the nylon shaping tool pressing plate, a line feed rail is connected to the linear slider, the lower part of the circumferential positioning block is connected to the end of the line feed rail, and the circumferential positioning steel ball is fixed to the circumferential positioning block with a steel ball locking screw. The present invention improves the circumferential positioning stability during shaping of the nylon coating on the surface of the spline shaft, improves the wear resistance and maintainability of the device, can realize multiple uses of the positioning steel ball, can maintain the positioning accuracy after replacement, and reduces the adjustment time.

The embodiment of the invention provides a short link processing method and device, equipment and a storage medium, and belongs to the technical field of computers. The method comprises the steps of obtaining cache data of any user side in response to a trigger operation of any user side for a short link of a target applet; if no cache short link exists in the cache data, obtaining a request parameter in the short link; acquiring configuration parameters when the short link is generated according to the request parameters; the configuration parameters are sent to an instant messaging server, so that the instant messaging server obtains an access token of the target applet; receiving an access token of the target applet sent by the instant messaging server, and generating a hosting link according to the access token and the configuration parameters; and sending the trusteeship link to any user side, so that any user side is redirected to the target applet page according to the trusteeship link. According to the method provided by the invention, the problem of high overhead of short links is solved.

The invention belongs to the technical field of diamond production, and particularly relates to diamond micro-powder efficient overflow grading equipment which comprises a device body, a water supply cavity, a treatment cavity and a precipitation cavity are formed in the device body, a material box is fixedly connected to the top of the device body, and a first heat preservation plate is arranged in the water supply cavity. According to the efficient overflow grading equipment for the diamond micro-powder, by arranging a liquid level sensor, liquid injected into the treatment cavity can be controlled, by means of a meter in the material box, the proportion of the adding amount of materials and water can be controlled, and the material layering effect is guaranteed; the constant temperature of supplied water and layered liquid can be kept, the layering efficiency is guaranteed, the circulating pump is arranged, upper-layer clear water obtained after precipitation can be pumped back into the treatment cavity, the clear water can be recycled for multiple times, and waste of resources is reduced.

The invention discloses a safe conveying table for cleaning a cold-rolled steel sheet in the technical field of cold-rolled steel sheet conveying, the safe conveying table comprises a conveying table body and a cleaning box, the cleaning box is arranged on the upper surface of the conveying table body, the conveying table body is hollow, and a roller mechanism is rotatably connected to the middle of the upper surface of the conveying table body; the cleaning liquid recovery mechanism is composed of a recovery device and a filter plate; the impurity cleaning assembly consists of a plurality of groups of special-shaped plates and a linkage mechanism; and a plurality of groups of auxiliary cleaning assemblies are arranged. According to the conveying table, the specifically-designed second roller is matched with the auxiliary cleaning assembly, reasonable collection and use of cleaning liquid are achieved, meanwhile, through the cleaning liquid recycling mechanism, repeated use of the cleaning liquid is achieved, impurities can be treated in a centralized mode through the designed wave-shaped filter plate, and therefore the practicability and functionality of the conveying table are effectively improved.

This invention discloses a rinsing device for non-ferrous metal materials, comprising a circulation tank, an air compressor pump, a delivery pipe, a water pump, a connecting pipe, a water tank, a rinsing pipe, an air supply pipe, an air inlet box, an air inlet pipe, a support rod, a tension steel wire, a check ball, a threaded cylinder, and an installation assembly. The delivery pipe is embedded in the side of the circulation tank, one end of which is connected to the water pump. One end of the water pump is embedded in the connecting pipe, and the other end of the connecting pipe is connected to the water tank. Several internally impacting rinsing pipes are connected between the water tank and the circulation tank. In this invention, water flows at high speed inside the rinsing pipes. The workpiece is fixed inside the rinsing pipes by the installation assembly. After the water flow accelerates inside the rinsing pipes, it impacts the surface of the workpiece. The rinsing pipes can isolate the water flow from atmospheric pressure, increasing the water flow velocity. Simultaneously, the rinsing pipes can reduce water flow dispersion, ensuring the water flow completely impacts the workpiece, thus greatly improving the rinsing effect.

This invention discloses a liquid engine ignition device and method. The liquid engine ignition device includes a storage tank, an ignition tube, an exhaust check valve, and a shaped shuttle valve. The storage tank contains a storage tank piston, dividing the tank cavity into a storage chamber and a storage gas chamber. The ignition tube contains an ignition tube piston, dividing the ignition tube cavity into a tube body storage chamber and a compression gas chamber. The tube body storage chamber can hold the ignition propellant required for each ignition. The inlet of the tube body storage chamber is connected to the storage tank cavity, and the outlet is connected to the combustion chamber. During ignition, the shaped shuttle valve connects the compression gas source to the compression gas chamber, pushing the ignition tube piston to move and extruding the ignition propellant from the tube body storage chamber into the combustion chamber. In the non-ignition state, the compression gas chamber is connected to the storage tank cavity, pushing the storage tank piston to move and filling the tube body storage chamber with the ignition propellant from the storage tank cavity. This invention provides an engine ignition device that can automatically fill the ignition propellant and achieve multiple ignitions, and has a simple structure and good stability.

The utility model discloses a detachable single-face bolt fastener which comprises a first bolt, the upper end of the first bolt is fixedly connected with a nut, the outer end of the nut is provided with a plurality of positioning grooves, limiting grooves are formed in the positioning grooves, positioning columns are correspondingly arranged in the positioning grooves, and the limiting grooves are fixedly connected with the first bolt. A limiting groove is formed in one end of the nut, a limiting block is fixedly connected to the bottom of the positioning column, the limiting block corresponds to the limiting groove, a connecting block is fixedly connected to the other end of the positioning column, and a handle is fixedly connected to the other end of the connecting block. And the bolt can be directly rotated through some rod-shaped tools, the effect of conveniently disassembling and assembling the abraded bolt is achieved, and the practicability and convenience of the whole bolt are improved.

The invention relates to an energy-saving method for multi-utilization of energy of polycrystalline silicon rectification high-pressure steam condensate. The method is suitable for heating and separating chlorosilane liquid in a rectifying tower by using steam in a polycrystalline silicon production process, the rectifying tower comprises a first rectifying tower and a second rectifying tower, and the method comprises the following steps: performing heat exchange on the chlorosilane liquid in the first rectifying tower and the second rectifying tower by using low-pressure steam and high-pressure steam respectively to generate condensate, the high-pressure steam condensate is collected in a condensate flash tank, and low-pressure steam is generated through a flash process and merged into a first rectifying tower for heat exchange. And the flash residual liquid can be used for carrying out heat exchange on the low-pressure steam condensate to regenerate low-pressure steam. By optimizing the technological process, flash evaporation of 0.4 MPa.G steam condensate and recycling of heat energy are achieved, and therefore the energy utilization efficiency is improved, the production cost is reduced, and the influence on the environment is reduced.

The utility model discloses a battery pack and a power utilization device, the battery pack has a first direction, the battery pack comprises a box body, a plurality of battery monomers, a busbar and a flexible circuit board, the box body has an accommodating cavity, and the plurality of battery monomers are arranged in the accommodating cavity and are arranged along the first direction; the busbar is arranged in the accommodating cavity and is conductively connected with at least one battery monomer; the flexible circuit board is arranged in the accommodating cavity; the flexible circuit board comprises a first body, a connecting part and a connecting sheet, and the first body is arranged on one side, connected with the busbar, of the battery monomer; the connecting part is connected with the first body; the connecting part comprises a first bonding pad and a second bonding pad which are arranged along a first direction, and the first bonding pad is conductively connected with the second bonding pad; the connecting sheet is conductively connected with the first bonding pad or the second bonding pad; one end, away from the connecting part, of the connecting sheet is conductively connected with one busbar. The flexible circuit board can be used for many times, and the maintenance difficulty and the maintenance cost of the battery pack are reduced.

The invention relates to the technical field of charging pile cable testing, in particular to a charging pile cable protection strength testing device which comprises a testing bin and a control panel arranged on the testing bin, a U-shaped plate is arranged in the testing bin, a moving assembly is movably arranged on the U-shaped plate, supporting plates are symmetrically arranged on the moving assembly, and locking assemblies are arranged on the supporting plates. The locking assembly is used for clamping and locking a cable to be tested and comprises an L-shaped plate arranged on the side, away from the U-shaped plate, of the supporting plate, positioning rods symmetrically arranged on the L-shaped plate, a matching plate arranged on the positioning rods, a locking plate arranged at one end of the matching plate and a limiting plate movably arranged on the side, away from the locking plate, of the matching plate. According to the invention, cables with different specifications and dimensions can be measured in time, and the problem that the final test data is inaccurate due to slipping between the clamp and the cable in the measurement process is solved.

This invention relates to the field of *Dictyophora indicum* cultivation technology, and in particular to a rapid propagation method for *Dictyophora indicum* using a tiered cultivation system and its application. The method includes: a cultivation rack for cultivating *Dictyophora indicum*; a cultivation box fixed inside the cultivation rack; a collection mechanism located at the bottom of the cultivation box inside the cultivation rack; and a temperature regulating mechanism located inside the cultivation rack. The collection mechanism includes a first rectangular plate fixedly installed at the bottom of the inner cavity of the cultivation rack. The beneficial effect is that: manually rotating the gear via a throttle handle, since the second circular block on the gear is inside the second slot on the swing arm, the rotation of the gear can drive the swing arm to rotate. Furthermore, since the first circular block on the slider is inside the first slot on the swing arm, the rotation of the swing arm drives the slider to move along the first sliding rod, carrying the first stirring rod. This facilitates rapid stirring of the water and ice in the hollow tank through the movement of the first stirring rod, allowing the ice and water to fuse and create new cooling water.

The invention belongs to the technical field of power equipment, and particularly relates to a protective pressing plate device with a display function, which comprises a cabinet plate, the top of the cabinet plate is fixedly connected with a protective pressing plate, and the outer wall of the protective pressing plate is rotatably connected with a display screen; the protection pressing plate device with the display function further comprises a protection mechanism and a glue winding mechanism, the bottom of the protection mechanism is fixedly connected with the top of the cabinet plate, and the glue winding mechanism is used for being matched with the glue breaking assembly to wind insulation glue on the outer wall of the protection pressing plate. A worker is prevented from making direct contact with the connecting piece when the insulating tape is manually wound, danger is avoided, operation of the worker is more convenient, the insulating tape is rapidly wound on the connecting piece, the working efficiency is improved, mutual adhesion and overlapping caused by continuous rotation of the insulating tape due to winding can be avoided, the clustered insulating tape is placed in the protective shell to be collected, and the working efficiency is improved. Repeated use of the insulating tape is realized, and waste is reduced.

The utility model belongs to the technical field of drainage and flushing, and particularly relates to a thoracic cavity drainage, flushing and suction device which comprises an installation tube, a flushing tube and a negative pressure suction tube, two hole channels are symmetrically formed in the installation tube, and the flushing tube and the negative pressure suction tube are installed in the two hole channels respectively. The outer side of the top of the mounting pipe is sleeved with a sleeve in a threaded mode, a connecting block is mounted on the inner side of the top of the sleeve through a bearing, and a traction assembly is fixedly connected into the connecting block. After flushing is completed, the positioning cover can be pulled out forcibly from the outer side of the top of the traction tube, and after extrusion of the extrusion part is lost, the clamping sleeve can be restored through self elasticity and is separated from the flushing tube and the negative pressure suction tube, so that the flushing tube and the negative pressure suction tube can be pulled away, the installation tube is disinfected, and compared with a comparison file, the operation is convenient. The flushing pipe and the negative pressure suction pipe can be independently detached and replaced, the device body can be used repeatedly, and the practicability is higher.

The utility model discloses a connecting joint of a prefabricated beam and a prefabricated column, and relates to the technical field of fabricated buildings, the connecting joint comprises the prefabricated column and the prefabricated beam lapped on the prefabricated column, and a connecting joint is arranged at the top end of the prefabricated column; a plurality of anchoring grooves are formed in the peripheral side of the connecting joint, anchoring heads are fixed to the ends of the precast beams, the anchoring heads are used for being inserted into the anchoring grooves from the top end of the connecting joint, and the anchoring heads are horizontally limited in the anchoring grooves. The prefabricated beam and the prefabricated column can be disassembled and reused.

The utility model relates to the field of full-wrapping laryngoscope lenses, in particular to a full-wrapping laryngoscope lens. The technical problems that an existing full-wrapping laryngoscope lens usually needs to be matched with an air insertion pipe for use, operation is tedious, and detection efficiency is low are solved, and compared with a traditional full-wrapping laryngoscope lens, the full-wrapping laryngoscope lens comprises a main body assembly, a protection assembly and a fixing assembly, by arranging the main body assembly for automatically guiding and adjusting the shooting angle through the guiding sensor, the full-wrapping laryngoscope lens can be independently used without being matched with an air insertion pipe, the guiding sensor can be used for automatically steering to adjust the shooting angle, the operation is simpler and faster, and the use is more convenient. By arranging the fixing assembly, the main body assembly can be fixed in the laryngoscope lens shooting process, manual hand holding is not needed, the two hands can be liberated in the laryngoscope lens shooting process, time and labor are prevented from being wasted by hand holding, more time and labor are saved under the action of the guide sensor and the fixing assembly, and the shooting efficiency can be greatly improved.

The utility model discloses a Chinese character stroke practice board which comprises a practice board body, a square groove is formed in the top end of the practice board body, a transparent board is rotationally connected in the square groove, and a soft light board is fixedly connected to the bottom face in the square groove. Fixing grooves are formed in the positions, located on the two sides of the square groove, of the top end of the practice board body, and fixing strips are inserted into the two fixing grooves. The transparent plate is opened by pulling the buckle plate block in the buckle plate groove, stroke paper needing to be practiced is placed on the soft light plate, then the transparent plate is closed, then the fixing strips are taken down in sequence, the two ends of the practicing paper are placed into the fixing grooves, then the fixing strips are inserted to fix the practicing paper, and after fixing is completed, the soft light plate is opened, and then the stroke paper can be practiced. The soft light plate emits light to project strokes on the copybook onto the practice paper, so that the copybook can be used for many times, resource waste is avoided, the structure is simple, and the practice efficiency is high.

The embodiment of the invention provides a display panel, a preparation method of the display panel and a display device.The display panel comprises a substrate, a pixel definition layer, a light-emitting device layer, a photoelectric sensing device layer, a supporting structure and a sacrificial structure, the light-emitting device layer comprises a plurality of light-emitting units, each light-emitting unit comprises a plurality of first function layers arranged in a stacked mode, and the sacrificial structure comprises a plurality of second function layers arranged in a stacked mode; the plurality of first functional layers comprise at least one first carrier layer; the active layer comprises a plurality of photoelectric sensing units, each photoelectric sensing unit comprises a plurality of stacked second functional layers, and the plurality of second functional layers comprise at least one second carrier layer; the sacrificial structure is arranged between the supporting structure and the pixel defining layer, and at least part of at least one first carrier layer in the light emitting unit and at least part of at least one second carrier layer in the adjacent photoelectric sensing unit are located on the two sides of the corresponding sacrificial structure. In the display panel provided by the embodiment of the invention, the signal-to-noise ratio of the electric signal generated by the photoelectric sensing unit is high.

The utility model belongs to the technical field of building material hoisting equipment, and particularly relates to a quick-mounting structure of a pre-embedded hoisting frame, which comprises a pre-embedded rod, the end part of the pre-embedded rod is connected with a quick-mounting sleeve, a quick-mounting component is arranged in the quick-mounting sleeve, the quick-mounting component comprises a plurality of locking pieces, and the locking pieces are connected with the pre-embedded rod. The multiple locking pieces are evenly distributed in the circumferential direction with the central axis of the quick-mounting sleeve as the circle center, the locking pieces are connected with the studs in a threaded fit mode, the bottoms of the studs are connected with the bearing frame, elastic components are arranged on the tops of the outer walls of the locking pieces, and the bottoms of the locking pieces are rotationally connected with the inner wall of the quick-mounting sleeve. In the utility model, firstly, the embedded rod is mounted in concrete, the screw rod is inserted into the quick-assembly sleeve, and then the bearing bracket is connected with the pipeline bracket, so that the quick assembly of the hoisting frame can be realized, when the line of the pipeline is changed, the connection relationship between the pipeline bracket and the bearing bracket is released, then the stud is rotated, and the bearing bracket is disassembled, so that the hoisting frame can be quickly assembled. And repeated utilization of the bearing frame can be realized.

The application discloses an NH2-COFS@ZnS photocatalytic material and a preparation method and application thereof. A multi-amino aromatic ligand and a multi-aldehyde aromatic ligand are combined into an NH2-COFS material through a Schiff base reaction, and the NH2-COFS material is combined with a zinc salt and a sulfur source through a hydrothermal reaction to obtain an NH2-COFS@Zn photocatalytic material. The NH2-COFS@ZnS photocatalytic material has excellent photocatalytic activity, good structural stability and reusability, can be applied to photocatalytic reduction of CO2, and has the advantages of simple preparation method, low cost and meeting industrial production.

The utility model discloses an annealing device for copper wire production and processing, including heating box, preheating box and precooling box, be provided with the shower head on the precooling box, the precooling box with preheating box are linked through the catheter, the precooling box is at the left side of heating box, the preheating box is at the right side of heating box, the heating box, preheating box and precooling box all are set up with the passage for copper wire to pass through, the utility model can promote copper wire annealing's quality, improve copper wire annealing success rate.

The application discloses a large glass fiber reinforced plastic cylinder forming die and a rolling method, and relates to the glass fiber reinforced plastic forming technical field.The forming die comprises a die support, a fixed die, a sliding die and an adjusting device.The fixed die is fixed on the die support, and the fixed die has an arc-shaped concave first contact surface; the sliding die is arranged on the die support and is symmetrically arranged with the fixed die, and the sliding die has an arc-shaped concave second contact surface; and the first contact surface and the second contact surface jointly enclose a circular-arc-shaped die cavity; and the adjusting device is arranged between the sliding die and the die support to adjust the distance between the fixed die and the sliding die.The large glass fiber reinforced plastic cylinder forming die and the rolling method can adjust the size of the die, are suitable for the production of glass fiber reinforced plastic cylinders of various specifications, and have high utilization.

This invention discloses a sealing and recovery device and method for a multi-channel gas extraction pipe, belonging to the field of gas extraction device and recovery technology. The device includes a bladder, a multi-channel gas extraction pipe, a protective pipe, and a recovery device. The multi-channel gas extraction pipe has a cross-shaped partition inside, forming four channels: two gas extraction channels, a grouting material channel, and a liquid injection channel. The bladder has a cylindrical structure, with two bladders respectively fitted onto the outer walls of the multi-channel gas extraction pipe at both ends. The bladder contains several sets of buoyancy plates, each set connected in series by two traction ropes, with both ends of the traction ropes connected to the inner wall of the bladder. This invention integrates the grouting material pipeline, the gas extraction pipeline, and the liquid injection channel into one unit, achieving multiple uses with a single pipe and thus saving economic costs. After the grouting sealing material solidifies, the multi-channel gas extraction pipe and the bladder can be recovered, realizing the recovery and multiple uses of the gas extraction pipe and the bladder within the solidified sealing material.

This utility model provides a novel multi-layer label, relating to the field of improved label applications. The novel multi-layer label includes a label body, with multiple inner adhesive tabs fixedly connected to the center of one side of the label body, and multiple outer adhesive tabs fixedly connected to one edge of the label body. A slot is formed at the top edge of the label body, and rotating shafts are rotatably connected to both sides of the label body. In this utility model, the use of built-in and external peeling tabs, along with a thin-handled pen, reduces the area occupied by the peeling tabs, lowering manufacturing costs while ensuring strong durability and enabling multiple uses, thus broadening the label's applicability. The inclusion of a first indicator arrow and a first reading page ensures that the peelable film and the reading page do not interfere with each other, and the arrow clearly indicates the reading location, making it easier for readers to locate the document.

The utility model discloses a folding packaging box with lock catch structure relates to packaging box technical field, including rectangle frame, first folding line, sealed folding board, trapezoidal plug -in board, clamping slot, insert box, set up in the elastic mechanism of insert box, fixed clamping plate, push board, set up in the guide mechanism of insert box, set up in the ejection mechanism of insert box, through the cooperation between trapezoidal plug -in board, clamping slot, insert box, elastic mechanism, fixed clamping plate, push board, guide mechanism and ejection mechanism, trapezoidal plug -in board inserts into insert box, and elastic mechanism drives fixed clamping plate to insert into clamping slot, realizes the fixation of sealed folding board, and then by pushing two push boards away from each other, makes fixed clamping plate remove clamping slot, and ejection mechanism pushes trapezoidal plug -in board insert box, namely without glue also can form and close, does not exist open not easy, easy to damage package, difficult to repeat open and close etc.

This invention discloses an electrically controlled comb-plate rebar positioning device, a rebar tying jig, and a method, belonging to the field of precast bridge construction technology. It includes a base and controllable units, with multiple controllable units evenly spaced along the length of the base. Each controllable unit includes an iron core wound with wire, a magnetic cap, and a return spring. The iron core is vertically positioned on the base, the magnetic cap is positioned on top of the iron core, one end of the return spring is connected to the magnetic cap, and the other end of the return spring is connected to the base. It can adapt to the tying of rebar cages with different cross-sectional sizes, improving the automation level of rebar positioning and placement processes, increasing the accuracy of rebar positioning and construction efficiency; it solves the problems of low automation levels in existing rebar and rebar placement processes, and the inability of existing equipment to be applicable to the tying of rebar cages of various sizes.

The present invention provides a microfluidic structure battery based on LOM process 3D printing and a preparation method thereof, belonging to the technical field of microfluidic structure batteries; the technical problem to be solved is: to provide an improvement of a microfluidic structure battery based on LOM process 3D printing and a preparation method thereof; the technical scheme adopted to solve the technical problem is: a microfluidic channel is printed inside a paper-based electrolyte microfluidic skeleton by LOM process 3D printing, the upper surface and the lower surface of the paper-based electrolyte microfluidic skeleton are respectively covered with a layer of conductive material, electrodes are arranged at both ends of the paper-based electrolyte microfluidic skeleton, and the electrodes are connected to an external circuit through wires; the paper-based electrolyte microfluidic skeleton is also filled with electrolyte liquid, and the electrolyte liquid is specifically injected from the position of the electrode by an injection pump; a switching switch for controlling the movement of the electrode is arranged on the battery housing, and the switching switch is connected to the conductive material on the surface of the paper-based electrolyte microfluidic skeleton; the present invention is applied to microfluidic structure batteries.

The invention relates to the technical field of information security, and particularly provides a method, a device, equipment, a medium and a product based on key communication, and the method comprises the steps: responding to a key obtaining request of a service application, and determining at least one key corresponding to the service application; determining a first key to be used currently based on the number of times of use of each key in a key resource pool by the service application; generating a target key based on the application identifier of the service application and the first key; and performing encryption and / or integrity protection on the service data of the service application according to the second key, and sending the encrypted and / or integrity-protected service data to a service platform for processing.

The utility model discloses a ventilation opening device of an intelligent building, and particularly relates to the technical field of ventilation opening devices, the ventilation opening device comprises a ventilation pipe, the front part of the inner surface of the ventilation pipe is fixedly connected with a fan, the middle part of the inner surface of the ventilation pipe is slidably connected with a replacement device, and the lower end, the left end and the right end of the ventilation pipe are jointly and fixedly connected with a shell; a drawer is slidably connected to the bottom wall of the inner surface of the shell, and an erasing device is fixedly connected to the middle of the lower end of the ventilation pipe. According to the ventilation opening device of the intelligent building, the first filter plate and the second filter plate are directly replaced when impurities on one filter plate are too many in cooperation with a replacement device in the using process, the situation that the impurities in the filter plates block the filter plates, and the using effect is affected is effectively avoided, and the ventilation opening device is suitable for popularization and application. The replaced filter plate covered with impurities is cleaned through the wiping device, and replacement and cleaning of the filter plate can be completed without manual cleaning.