57results about How to "Guaranteed capacity" patented technology

The invention relates to the technical field of batteries, and discloses a battery shell and a battery. The battery case includes: a case having an opening; the cover plate seals the opening to form a containing cavity, the cover plate comprises a cover plate body and a folded edge arranged on the edge of the cover plate body, the folded edge extends in the direction away from the containing cavity and is welded to the shell, a welding area is formed at the welding position of the folded edge and the shell, and in the extending direction of the folded edge, the cover plate body is located on the side, close to the containing cavity, of the welding area. In the direction perpendicular to the upper surface of the cover plate body, the distance between the side, close to the containing cavity, of the welding area and the upper surface of the cover plate body is h, the distance between the side, away from the containing cavity, of the folded edge and the side, close to the containing cavity, of the cover plate body is H, and h / H is larger than or equal to 0.17 and smaller than or equal to 0.5. The cover plate can play a buffering role, and the cover plate is prevented from being separated from the shell during thermal runaway; meanwhile, the overall height of the cover plate can be controlled, and the internal space of the shell is ensured, so that the energy density of the single battery is ensured.

The invention discloses an efficient and energy-saving purification method for a copper electrolyte. The purification method comprises the following steps: performing MVR (Mechanical Vapor Recompression) concentration; cooling and crystallizing; filtering and separating; electrodeposition copper and impurity removal by a circulation method; freezing and crystallizing; performing centrifugal separation; according to the method, in the MVR concentration process, a high-energy-efficiency steam compressor is used for compressing secondary steam generated by evaporation of the copper electrolyte, the enthalpy of the secondary steam is improved, and the secondary steam with improved heat energy is pumped into a plate heat exchanger to exchange heat with the copper electrolyte, so that the existing heat energy of the secondary steam is recycled; therefore, the consumption of external steam can be reduced to realize evaporation and concentration of the copper electrolyte to produce crude copper sulfate; in the circulation method electrodeposition copper removal and impurity removal process, the crystallization mother liquor is supplemented into the impurity removal circulation liquid, so that copper ions can be kept in an efficient impurity removal concentration range, and the removal efficiency of impurities such as arsenic is improved; a refrigerator is adopted to cool the electrolyte after electrodeposition copper removal and impurity removal, and then a centrifugal machine is adopted to realize solid-liquid separation of nickel sulfate crystals.

The invention discloses an electrolyte and a lithium battery, and additives of the electrolyte comprise a compound as shown in a structural formula 1, a cyclic sulfate compound and a sultone compound, the proportions of the compound as shown in the structural formula 1, the cyclic sulfate compound and the sultone compound in the electrolyte are awt%, bwt% and cwt% respectively, 2.5 b-a is more than or equal to-0.5 and less than or equal to 4, and 2a + c is more than or equal to 5 and less than or equal to 8. In the design, the compound shown in the structural formula 1 can form stable interfacial films on the surfaces of the positive electrode and the negative electrode, oxidative decomposition of an electrolyte at high temperature is reduced, consumption of the electrolyte is inhibited, the high-temperature cycle performance is improved, and the cyclic sulfate compound can reduce film-forming impedance and improve gram volume exertion; the sultone compound can improve the high-temperature storage performance. Therefore, the high-temperature cycle and high-temperature nesting performance of the lithium battery is effectively improved by adjusting the ratio of the compound shown in the structural formula 1, the cyclic sulfate compound and the sultone compound.

The utility model relates to the technical field of hairdressing tools, and provides a multifunctional massage comb which comprises a shell, a vibration assembly, an atomization assembly and a negative ion assembly. The shell comprises a comb head section, the comb head section is provided with a first containing cavity, a vibration assembly, an atomization assembly and a negative ion assembly are arranged in the first containing cavity along the first central axis of the shell, and comb teeth are arranged at the bottom of the comb head section. According to the multifunctional massage comb, the vibration assembly enables the comb teeth to press acupuncture points, and scalp blood circulation is promoted; the atomization assembly generates mist, so that the effects of softening, maintaining, aromatherapy and the like can be achieved on the hair and the scalp, the hair and the scalp are not prone to being pulled, and damage to the hair and the scalp is reduced; the anion assembly can generate anions to neutralize static electricity of hair, so that the hair is smoother and easy to comb; meanwhile, the vibration assembly, the atomization assembly and the negative ion assembly are arranged along the first central axis of the shell, so that the internal space of the shell is compact in layout, and the utilization rate is high.

The invention discloses a key self-learning method and system and driving equipment, and relates to the technical field of electronic equipment control. The method comprises the following steps: sending a key self-learning instruction; controlling the key to be self-learned to send out a first high-frequency signal carrying a preset identifier; high-frequency signals are collected according to a preset sampling period; analyzing the collected high-frequency signal and detecting whether the high-frequency signal carries a preset identifier; if yes, the detected high-frequency signal is marked as a second high-frequency signal, a first key ID carried by the second high-frequency signal is recognized, and a first low-frequency signal is sent out; controlling the key to be self-learned to receive the first low-frequency signal and send out a third high-frequency signal; and receiving the third high-frequency signal and judging whether the third high-frequency signal is matched with the second high-frequency signal, and if so, storing the first key ID. By means of the method, the high-frequency signal sent by the key to be learned can be effectively distinguished from other high-frequency interference signals, interference is reduced, and it is ensured that the key self-learning process is smoothly carried out.

The utility model discloses a cover type conjoined furnace for annealing thin materials, which comprises a furnace body, two heating cavities are arranged in the furnace body, a furnace seat is arranged on the bottom surface of the furnace body and at the positions of the two heating cavities, a heating inner cover extending into the heating cavities is arranged on the furnace seat, a fan is arranged in the furnace seat, a plurality of convection plates are arranged in the heating inner cover, and the convection plates are arranged in the heating inner cover. The side wall of the furnace body is provided with a plurality of heating spray guns extending into the heating cavity, the plurality of heating spray guns are communicated through an annular pipe, the top of the side wall of the furnace body is provided with a heat exchanger, and the heat exchanger is communicated with the heating cavity through a gas conveying pipe; according to the cover type connected furnace for annealing the thin material, the furnace body is provided with the two heating cavities, and the heating inner covers are arranged in the two heating cavities, so that the productivity can be kept, the stacking layer number of material coils in the heating inner covers can be reduced, and the pressure borne by the material coils located on the lower portions of the heating inner covers is reduced; and the situation that a material roll located on the lower portion of the heating inner cover is pressed too much and adheres to the tape is avoided.

The invention discloses an energy storage system and a voltage balance control method thereof, and belongs to the technical field of energy storage. The energy storage system comprises at least two battery clusters, each battery cluster comprises at least two battery packs and DCDC converters thereof, the battery packs and the DCDC converters are in one-to-one correspondence, the input end of each DCDC converter in each battery cluster is connected with one battery pack, and the output end of each DCDC converter in each battery cluster is connected with the DCDC converters of the same battery cluster and other battery clusters in parallel. The system can solve the problems that in the prior art, when battery clusters are combined, circulation is likely to be generated due to voltage imbalance, and the capacity of the battery clusters is affected.

The utility model provides a kind of in-out boat structure and coating equipment, wherein the in-out boat structure includes lifting drive device, for driving at least two translation drive devices synchronous lifting movement;Translation drive device, for driving the corresponding translation movement piece of each translation drive device synchronous reciprocating translation movement;At least two boat moving assemblies, respectively installed on corresponding translation movement piece, the corresponding support paddle of at least two boat moving assemblies is respectively used to move at least two carriers boat into and out of at least two reaction cavities.The in-out boat structure provided by the utility model can move at least two carriers boat into and out of each group of at least two reaction cavities in the height direction of furnace body synchronously layer by layer, shorten the length of reaction cavity and narrow it under the premise of not reducing production capacity, shorten the cantilever length of support paddle of in-out boat structure adaptively, improve the rigidity of cantilever structure, reduce the scratching of carrier boat caused by cantilever deformation and shaking and the failure rate of coating equipment, and improve the working stability of coating equipment.

The invention relates to a preparation method of a seaweed derived alloy carbon sodium ion battery negative electrode material, and belongs to the technical field of sodium ion batteries, and the specific scheme comprises the following steps: step 1, drying cleaned seaweed leaves; 2, chopping the dried seaweed leaves, and calcining and carbonizing the chopped seaweed leaves and an activating agent; 3, washing the carbonized material with deionized water until the carbonized material is neutral, and drying to obtain a seaweed precursor; and 4, uniformly grinding the seaweed precursor and two metal salts, and reacting under microwave radiation to obtain the seaweed-derived alloy carbon sodium ion battery negative electrode material. The seaweed-derived alloy carbon prepared by the method can generate more active sites to store sodium ions, and the diffusion rate of the sodium ions is improved, so that the electrochemical performance is improved. In addition, in the synthesis process, the speed is very high, no solvent exists, and the yield is high.

The invention discloses a silica gel wire anti-adhesion method and a leading device, and the method comprises the steps: driving a to-be-treated silica gel wire to move through a driving wheel of an anti-adhesion leading device main body, and enabling the silica gel wire to pass through an immersion tank of the anti-adhesion leading device main body; 65-94 parts by mass of water, 3-20 parts by mass of hydrated magnesium silicate ultrafine powder, 0.1-2 parts by mass of an AES material, 0.1-2 parts by mass of sulfonic acid, 0.1-2 parts by mass of sodium hydroxide, 0.1-2 parts by mass of a 6501 surfactant, 0.1-2 parts by mass of an OP surfactant, 0.1-2 parts by mass of salt and 0.1-2 parts by mass of essence are mixed and stirred, an anti-adhesion solution is obtained, the stirring temperature is 80 DEG C, and the stirring time is 0.5-2 h; and putting the obtained anti-adhesion solution into an immersion tank of an anti-adhesion leading device. According to the anti-adhesion solution, the wire is led into the soaking tank to be soaked through the anti-adhesion leading device, the wire production process is not affected, the production efficiency and the productivity can be guaranteed, and the anti-adhesion solution is low in formula cost, can be suitable for anti-adhesion procedures of various silica gel products and is extremely good in applicability.

The invention belongs to the technical field of distributed energy storage, and particularly relates to a multi-target sharing operation optimization system for distributed energy storage in a power distribution network, which comprises a data acquisition module used for acquiring power distribution network data of the power distribution network, and the power distribution network data comprises data of each node of energy storage equipment; the data of each node of the energy storage equipment comprises the maximum capacity, the maximum power and the maximum charge-discharge state quantity of the energy storage equipment; a data processing module; the distributed energy storage equipment can be installed at a plurality of places such as a user side, a distributed power supply side and a power distribution side according to requirements, values of energy storage investment cost and operation cost are calculated according to the positions, and an appropriate position value is selected as the most appropriate position of the energy storage equipment according to the different values. Compared with a traditional centralized energy storage power station, the distributed energy storage system can effectively reduce the power transmission loss and improve the energy utilization efficiency due to the scattered layout.

The utility model discloses a precursor packaging container which comprises a first cavity, a second cavity, a buffer cavity, an on-off control assembly and a charging and pumping assembly. The first cavity is used for containing a liquid precursor and a solid precursor, the first cavity is provided with a first gas inlet pipe and a first exhaust pipe, and carrier gas input by the first gas inlet pipe carries the liquid precursor, then is mixed with steam of the solid precursor and is exhausted through the first exhaust pipe; a first baffle is arranged between the second cavity and the first cavity, and the second cavity supplements the liquid precursor to the first cavity through the first baffle. According to the precursor packaging container, the buffer cavity and the second cavity are matched with the inflation and extraction assembly, so that the liquid precursor can be supplemented to the first cavity from the outside, the service life of the packaging container can be prolonged, the capacity of the liquid precursor in the container is kept to provide an enough contact path for carrier gas, the concentration of the precursor carried by the carrier gas is ensured, and the packaging efficiency is improved. A stable precursor source is provided for a subsequent vapor deposition process, and the deposition film forming quality is ensured.

This utility model relates to the field of film production technology, and in particular to a film casting machine with automatic casting frame shifting and a breathable film production line. This film casting machine with automatic casting frame shifting includes a casting frame that is movable back and forth on a base; a film rolling mechanism and a film guiding mechanism are disposed on the casting frame; wherein, the film rolling mechanism includes a first roller, a second roller, and a third roller; the first roller is disposed on a first side of the second roller; the third roller is disposed on a second side of the second roller, and the first and third rollers can press against the second roller; the film guiding mechanism includes a first guide roller group and a second guide roller group; the first and second rollers roll and press a first film; the second and third rollers roll and press a second film. A first roller texture channel is formed between the first and second rollers, and a second roller texture channel is formed between the second and third rollers. The movement of the casting frame allows the extrusion head to select either the first or second roller texture channel. This design eliminates the need to disassemble the pressure rollers, resulting in shorter changeover times and helping to ensure production capacity.

A submersible pump loader for a well comprises a lower support subassembly, a lower steel pipe, a lower loader seat subassembly, a middle steel pipe, a middle loader seat subassembly, an upper steel pipe and an upper support subassembly which are connected through a stud, a lower nut and an upper nut and sequentially stacked from bottom to top, and a lower thrust bearing assembly is arranged on the upper portion of the lower support subassembly through a positioning screw. An upper thrust bearing is fixed on the lower portion of the upper support subassembly through a sunk screw, a middle thrust bearing assembly I is arranged on the upper portion of the lower loader seat subassembly through a positioning screw, and a middle thrust bearing assembly II is arranged on the upper loader seat subassembly through a positioning screw. A shaft is rotatably fixed through an upper thrust bearing, a lower thrust bearing assembly, a middle thrust bearing assembly I and a middle thrust bearing assembly II, and cooling water passing holes are formed in the lower support subassembly, the lower loader seat subassembly, the upper loader seat subassembly and the upper support subassembly. According to the utility model, an external copper pipe is removed, and the defect that the water pump is easy to collide and damage in the transportation process and when the water pump goes down to a well and is hoisted is overcome.

The utility model relates to a bearing protection device of mechanical grading mill, including frame, two main motors are installed to both sides of frame, the output of two main motors installs grading wheel drive, grinding disc drive respectively, grinding disc drive and grading wheel drive connect hollow shaft and solid axle through V type belt respectively, solid axle is placed in hollow axle hole, grinding disc is installed on hollow axle, and is inside the cavity of grinding cavity, grading wheel is installed on solid axle, and is above grinding disc inside the cavity, the upper and lower end of hollow axle is provided with big bearing respectively, and is supported by big bearing, the upper and lower end of solid axle is provided with small bearing respectively, and is supported by small bearing, the outer ring of grinding disc is provided with toothed grinding ring, the cavity of grinding cavity is provided with air guide ring below, and air guide ring is below toothed grinding ring, compared with prior art, the utility model can improve the service life of bearing, reduce the wear and tear and failure risk of bearing, and further improve the effect of equipment grinding and grading.

The present application relates to the field of vacuum heat sealing, in particular to a vacuum wet extraction heat sealing control method of a textured vacuum bag and a vacuum heat sealer, first, taking the rated speed of the vacuum pump motor as the benchmark N0, setting the starting speed of the vacuum pump motor as N1, the speed of N1 is lower than the speed of N0, driving the vacuum pump to extract vacuum for the textured vacuum bag at the starting speed N1; using a linear pressure sensor to replace a pressure switch to monitor the pressure change of the vacuum cavity in real time, presetting a unit time T and a corresponding preset pressure change value P, when the linear pressure sensor detects that the pressure change value in the vacuum cavity is greater than P within the time range of T, stopping vacuum extraction, and starting the heat sealing bar to heat and seal at the same time; starting vacuum extraction again in the last second of heat sealing, increasing the vacuum degree of the vacuum cavity, forcing the machine to be buckled tighter to enhance the pressure on the bag opening, seal better, and effectively improve the sealing effect of the food containing liquid.

This application relates to the field of rocket technology, and more particularly to a launch vehicle, comprising: a fairing, an inverted cone section, and a rocket body column section. The upper edge of the rocket body column section is fixed to the lower edge of the inverted cone section. The upper end of the inverted cone section is inserted into the interior of the fairing, and the upper edge of the inverted cone section is fixed to the inner wall of the fairing near the lower edge of the fairing. The portion of the fairing between the upper and lower edges of the inverted cone section serves as a shielding skirt to shield the inverted cone section from pulsating pressure. This application can reduce the pulsating pressure on the inverted cone section while ensuring the capacity of the fairing, reducing the structural strength requirements of the inverted cone section. In addition, this application also considers the fairing, inverted cone section, and rocket body column section, making the change of pulsating pressure more gradual and improving the noise environment inside the rocket's inverted cone section and instrument compartment.

A water conservancy project sand retaining dam, comprising sand retaining dams respectively arranged at multiple water inlets of a reservoir, a water retaining dam arranged on the reservoir, and a sand collecting well arranged on a downstream side of the water retaining dam; the multiple sand retaining dams on the same side of the reservoir are connected in series through sand discharge channels or sand discharge holes, and the terminal sand retaining dam is connected to the sand collecting well through a sand discharge channel or a sand discharge hole; the water conservancy project sand retaining dam further comprises a diversion tunnel, which connects the reservoir and a river channel on the downstream side of the water retaining dam. A construction method of the water conservancy project sand retaining dam comprises the following steps: step S1, selecting an import and export position of the diversion tunnel and constructing the diversion tunnel; step S2, constructing the water retaining dam when the diversion tunnel is in flow; step S3, constructing the sand retaining dams at the multiple water inlets of the reservoir in dry season by using the flow of the diversion tunnel; step S4, constructing the sand discharge channels or sand discharge holes between the adjacent sand retaining dams and the sand discharge channels or sand discharge holes between the terminal sand retaining dam and the sand collecting well; and step S5, constructing the sand collecting well.

The disclosed invention relates to a prismatic secondary battery, which includes: an electrode assembly, the electrode assembly including a first electrode lead portion formed in the direction of a first side surface and a second electrode lead formed in the direction of a second side surface facing the first side surface; a lower shell, the lower shell having an upper surface with an open structure and accommodating the electrode assembly therein; and an upper shell, the upper shell covering the open upper surface of the lower shell, wherein the upper shell includes: a first terminal portion, the first terminal portion is bent from a top surface corresponding to the upper surface of the lower shell and extends downward in the direction of the first side surface; and a second terminal portion, the second terminal portion is bent from the top surface and extends downward in the direction of the second side surface, the first electrode lead portion is electrically connected to the first terminal portion, and the second electrode lead portion is electrically connected to the second terminal portion.

The utility model relates to circuit board nickel gold technical field, specifically disclose printed circuit board gold immersion is used full -enclosed automatic chemical nickel gold device, including closed storehouse, the top inner wall of closed storehouse is provided with mobile clamping assembly, and the inside left side of closed storehouse is provided with circulating nickel plating assembly, mobile clamping assembly is used for clamping circuit board and processes, and circulating nickel plating assembly is used for nickel plating to circuit board, through to nickel plating groove is divided into three -segment mode, and every pool is provided with first heating pipe and thermocouple, and carries out accurate temperature control, and the temperature in every pool gradually increases and forms the heating of subregion, can make gold layer pore reduction on the surface of circuit board, and cooperate with the fixed pipe and venturi nozzle set up in bottom, make three -dimensional end flow in nickel plating groove, eliminate the dead angle that conventional nickel plating cannot deposit, can keep nickel layer thickness balance, improve the deposit uniformity of circuit board, improve circuit board quality and reliability.

The invention relates to the technical field of bearing assembly switching, in particular to a deep groove ball bearing flexible automatic assembly switching device and a using method thereof.The deep groove ball bearing flexible automatic assembly switching device comprises a workbench, a steel ball supply intelligent switching device and a steel ball discharging mechanism, and a positioning device and a rotary positioning device are fixed to the upper end of the workbench; the positioning device comprises a positioning seat, a supporting frame is fixed to the inner side of the positioning seat, sliding grooves are formed in the upper ends of the positioning seat and the supporting frame, a shell of a driving motor is fixed to the bottom of the supporting frame, a rotating plate is fixed to the top end of a main shaft of the driving motor, guide grooves are formed in the inner side of the rotating plate, and the lower ends of positioning plates are slidably connected to the inner sides of the guide grooves and the sliding grooves. And the positioning plate comprises a limiting rod, a plate body is fixed to the upper end of the limiting rod, and a groove is formed in one side of the plate body. According to the invention, through the arrangement of the positioning device and the rotary positioning device, the remodeling time can be shortened, adaptation of different bearing specifications is completed, universal clamping of the positioning device is matched, and the overall productivity is effectively ensured.

The present invention discloses an optical communication module and an optical communication system using the optical communication module. The optical communication module has an outer shape formed based on standard specifications, can communicate with a circuit substrate on a host side equipped with the optical communication module via a predetermined communication interface, inputs a light source signal to the circuit substrate via an optical transmitting unit, couples light source signals of different wavelengths into the same optical fiber, and attaches them to an optical carrier for transmission, divides the light source signal into I / Q components through a modulator, and attaches the I / Q components to an optical carrier, transmits the light source signal through the optical fiber, and an optical receiving unit is used to receive the light source signal and convert it into an electrical signal. The present invention relates to the field of optical communication technology; the optical communication module and the optical communication system using the optical communication module analyze and judge the light signal during the transmission process, and then perform signal processing and reinforcement to monitor the standard of signal output.

The utility model discloses a continuous feeding heat transfer printing machine, which belongs to the technical field of heat transfer printing, and comprises a working table, a support frame is fixedly connected to one side of the working table, a heat transfer printing mechanism is arranged on the support frame, a movable groove is formed in the top of the working table, a driving assembly is arranged in the movable groove, and the driving assembly is connected with the working table. The driving assembly comprises a motor fixedly installed on one side of the workbench, the output end of the motor is fixedly connected with a lead screw, the lead screw is rotationally arranged in the movable groove, the lead screw is in threaded connection with a mounting table, the mounting table is slidably arranged in the movable groove, placing plates are symmetrically and fixedly connected to the top of the mounting table, and clamping assemblies are arranged on the two placing plates. According to the cloth transfer printing device, transfer printing work can be continuously conducted on cloth, the empty time of feeding and discharging is saved, the overall working efficiency is improved, the cloth can be conveniently clamped and fixed, all the cloth can be located at the same position, and transfer printing machining of the cloth is facilitated.

This invention discloses a surface cleaning device, belonging to the technical field of cleaning equipment. It includes a body and a floor brush. The floor brush comprises a brush body with a suction port and a clean water tank for supplying liquid, mounted on the brush body. A cleaning component is detachably installed on the front side of the brush body, and the suction port is located at the rear of the cleaning component. A wastewater tank is provided on the body. The lower end of the body is pivotally connected to the rear of the brush body via a hinge assembly. The front end of the clean water tank extends forward and at least covers the cleaning component. The rear end of the clean water tank extends backward and at least partially bypasses the hinge assembly to connect with the brush body. At least a portion of the bottom wall of the clean water tank extends continuously and smoothly from left to right, penetrating the central axis of the brush. This design eliminates the need for a connecting pipe, allowing complete drainage of the liquid in the clean water tank, increasing its capacity while simplifying its internal structure.

The invention discloses a dynamic wave tower for sulfur dioxide flue gas purification, and belongs to the technical field of sulfuric acid preparation. Comprising an absorption demisting tower, a dynamic wave washing pipe and a head tank, wherein the dynamic wave washing pipe sequentially comprises a lower bent pipe section, a straight pipe section and an upper bent pipe section; the lower bent pipe section is connected with the absorption demisting tower, and a dynamic wave nozzle is arranged at the upper part in the lower bent pipe section; an anti-corrosion adhesive layer is arranged on the inner wall of the straight pipe section and comprises a cylinder body, an expansion part and a necking part; a feeding hole is formed in the outer wall of the expansion part, and an acid-resistant patch layer is arranged on the inner side of the anti-corrosion adhesive layer on the expansion part; a cooling water jacket is arranged on the outer wall of the barrel, and an acid-proof brick layer is arranged on the inner side of the anti-corrosion adhesive layer; the acid-proof brick layer extends upwards to form an extension part; the upper end of the extension part is lower than the top of the expansion part, the inner diameter of the extension part is gradually reduced from top to bottom, and the outer side of the extension part and the inner wall of the expansion part form an overflow groove; the head tank and the dynamic wave spray head are connected with an outlet of the dynamic wave pump, the feed port is connected with the head tank, and the dynamic wave spray head upwards sprays dilute acid to the extension part.

The invention provides a lithium battery diaphragm splitting machine and a control method thereof, and belongs to the technical field of diaphragm splitting. Comprising a machine body, a motor is installed at one end of the machine body, a thin film roll material is installed at the output end of the motor, a guide roller is installed on the inner wall of the machine body, a control center is installed at one end of the machine body, a laser projector is installed at the top of the machine body, and a material collecting frame is placed in front of the machine body; the film cutting machine further comprises a winding adjusting assembly, the winding adjusting assembly is installed at one end of the machine body, and the winding adjusting assembly is used for receiving a cut film and rapidly correcting the position. By arranging the winding adjusting assembly and the discharging adjusting assembly, integrated recycling is used, pulling is avoided, the relaxation degree is kept, excessive movement of a diaphragm is reduced, the probability of deformation is reduced, dust is removed, the product quality is improved, the production efficiency is improved, the feeding time is shortened, and the production efficiency is improved. And the productivity output is increased.

The invention provides a conveying line automatic cleaning device and a conveying system.The conveying line automatic cleaning device comprises a base, a controller and a cleaning structure arranged on the base; the base is used for being placed on a conveying line, the cleaning structure is provided with a dust suction opening facing the conveying line, and a dust suction gap is formed between the dust suction opening and the conveying line. The cleaning structure is electrically connected with the controller, the controller is at least used for driving the cleaning structure to at least clean the conveying line in operation when the base is stopped at the first preset position on the operation path of the conveying line, continuous and automatic cleaning can be conducted on the conveying line, and therefore integral and automatic cleaning on the conveying line is achieved. And the cleaning efficiency is improved, and the productivity of the conveying line can be guaranteed. And meanwhile, compared with manual cleaning, safety accidents such as collision and falling of cleaning personnel are avoided to a certain extent, and the operation risk is reduced.

The present invention relates to a lithium secondary battery and a method for manufacturing a lithium secondary battery, in which the lithium secondary battery comprises: a positive electrode comprising a positive electrode current collector and a positive electrode active material layer provided on the positive electrode current collector; a negative electrode including a negative electrode current collector, a negative electrode active material layer provided on the negative electrode current collector, and a solid electrolyte layer provided on the negative electrode active material layer; a separator disposed between the positive electrode and the negative electrode; and an electrolyte, wherein the A value in the following mathematical formula 1 may be 10% or more. [mathematical formula 1] A = {(F + C) / (F + C + G + M + E)} * 100F and C are respectively a fluorine-containing group content (unit: [mu] g / cm < 2 >) and a carbonate group content (unit: [mu] g / cm < 2 >), which are determined by capillary electrophoresis (CE) analysis of the solid electrolyte layer, and G, M, and E are respectively an ethylene glycol group content (unit: [mu] g / cm < 2 >), a methyl group content (unit: [mu] g / cm < 2 >), and an ethyl group content (unit: [mu] g / cm < 2 >), which are determined by capillary electrophoresis (CE) analysis of the solid electrolyte layer. This is determined by Nuclear Magnetic Resonance (NMR) spectroscopic analysis of the solid electrolyte layer.

The invention relates to the technical field of energy storage, and discloses a cabinet body structure and an energy storage cabinet. The cabinet body structure comprises a cabinet body and a first support. The cabinet body comprises a first containing space and a second containing space which are arranged in a separated mode in the first direction, and a channel communicating the first containing space with the second containing space. One of the first accommodating space and the second accommodating space is provided with a host mounting position and a battery pack mounting position, the other one of the first accommodating space and the second accommodating space is provided with at least one battery pack mounting position, and the first direction is parallel to the height direction of the cabinet body. The first support is arranged in the first containing space, the first support is used for bearing the host and / or the battery pack, a wiring space is formed at one end of the channel, the first support is provided with a wiring channel for a cable to penetrate through, and the wiring channel is communicated with the wiring space. According to the cabinet body structure and the energy storage cabinet provided by the invention, the wiring arrangement in the cabinet body can be facilitated while the battery capacity is ensured.