38results about How to "Free from influence" patented technology

The invention provides a novel nano material as well as an immobilized enzyme and application thereof, and relates to the fields of biotechnology and application, material synthesis and application, water environment treatment and environmental protection. The particle size of the nano material is 2-30 microns, and the aperture of the surface is 2-30 nm; the solid nanomaterial is prepared by the following method: adding an alkali solution into a metal salt solution, fully mixing, then adding a ligand aqueous solution, fully reacting, and then separating to obtain the solid nanomaterial. When the material is used for immobilizing enzyme, the particle size of the obtained immobilized enzyme is 2-20 microns, and the aperture of the surface is 1-15 nm; the preparation method comprises the following steps: mixing an enzyme with a ligand aqueous solution, then adding the mixture into a metal salt mixed solution, and separating a solid product. The nano material has excellent biocompatibility and mild synthesis conditions, can protect the reaction activity of the enzyme under harsh conditions such as high temperature, acid and alkali, and improves the recycling capability and storage capability of the enzyme.

The invention discloses a preparation method of a formaldehyde-free high-performance vegetable protein adhesive. According to the formaldehyde-free high-performance vegetable protein adhesive disclosed by the invention, the addition of the plant-based degerming agent brings remarkable beneficial effects to the formaldehyde-free high-performance vegetable protein adhesive. Firstly, tea polyphenol, aloe extract, honeysuckle flower extract, antibacterial silver ions and other components in the degerming agent endow the adhesive with excellent antibacterial performance, growth of bacteria and mould is effectively inhibited, and the service life of the adhesive is prolonged. Meanwhile, due to the moisturizing effect of the hyaluronic acid and the glycerol, the water resistance of the adhesive is improved, and it is ensured that the adhesive can still keep a stable bonding effect in a humid environment. In addition, the thickening effect of the xanthan gum enhances the bonding strength of the adhesive, so that the adhesive is firmer in the application process. The natural plant extract and essential oil components in the plant-based degerming agent not only improve the environmental friendliness of the adhesive, but also bring natural fragrance to the adhesive, improve the use experience, and bring more environment-friendly, healthy and efficient choices to the adhesive industry.

The invention relates to the field of soil pollution remediation, and discloses a micro-ecological reconstruction and remediation method for micro-plastic polluted soil, which comprises the following steps: firstly, screening and enriching micro-plastic degradation functional florae which have the advantages of pseudomonas and bacillus, and the bacillus can secrete lipase and protease; the preparation method comprises the following steps: mixing biomass charcoal prepared by pyrolysis of corn straws with a functional bacterium suspension for adsorption, and carrying out sodium alginate-calcium chloride crosslinking to prepare an immobilized composite repairing agent; applying a repairing agent accounting for 1-5% of the mass of the soil, uniformly mixing the repairing agent with the soil, regulating the soil humidity to 20-30% and the carbon-nitrogen ratio to (15-25): 1, and maintaining the environment temperature of 15-35 DEG C; microplastics are removed through the synergistic effect of biomass charcoal adsorption and functional flora enzymatic degradation, beneficial microorganisms are enriched synchronously, and functional gene expression is activated; the problems that in the prior art, functional flora planting is difficult, the degradation efficiency is low, micro-ecological restoration is deficient, and the environmental adaptability is poor are solved.

This utility model relates to the field of chip storage technology and discloses a semiconductor chip storage device that solves the problems mentioned in the background art. It includes a storage box with an opening, connecting ears on both sides of the opening, a fixed shaft between the connecting ears, a chip storage board sleeved on the fixed shaft, a chip storage slot on the chip storage board, a locking part with a locking buckle, and a locking slot on the storage box that matches the locking buckle. This utility model can efficiently store a large number of micro-semiconductor chips, facilitates quick chip access for users, solves the problems of difficult individual chip management and easy loss in traditional storage methods, and ensures that the chips are not physically damaged during storage.

The application relates to a kind of all-around three-dimensional stress testing device and method based on liquid pressure transmission principle, which includes liquid cavity pressure transmission module, involves the deformation induction and stress calculation of each local azimuth, and stress pressure sensing module, which involves the all-around azimuth stress integrated calculation of target measuring point.The liquid cavity pressure transmission module and stress pressure sensing module can make three-dimensional stress calculation cover to each azimuth stress, reduce the stress measurement error caused by the difference of particle size, the anisotropy of soil body and the interference of soil deformation.The improvement of stress testing precision significantly improves the actual data testing efficiency of test, and provides convenience for the fine processing and analysis of soil stress testing data.

The invention relates to a method for operating an air system (1), comprising:-at least one air supply path (2) for supplying air to at least one fuel cell stack (3); and-at least one exhaust gas path (4) for discharging the exhaust gas flowing out of the fuel cell stack (3), air fed to the at least one fuel cell stack (3) being wetted by means of the exhaust gas of the same fuel cell stack (2) or a further fuel cell stack (2), and wherein liquid water (5) contained in the exhaust gas is previously separated by means of a water separator (6). The invention further relates to an air system (1) and to a fuel cell system having an air system (1) according to the invention.

The utility model relates to the technical field of energy storage, in particular to a modularized lithium ion battery energy storage cabin which comprises a cabin body, a battery chamber and an equipment chamber are arranged in the cabin body, a partition plate is arranged between the battery chamber and the equipment chamber, and the battery chamber comprises a plurality of battery racks distributed in the length direction of the cabin body. Two groups of battery clusters can be placed on each battery rack along the height direction of the cabin body, each group of battery clusters comprises a plurality of battery modules, and all the battery clusters are equally divided into two sets of battery stacks; a high-voltage box guide rail for mounting a high-voltage box is arranged below each battery rack, and a high-voltage box cover plate is arranged between the battery rack and the high-voltage box guide rail of the high-voltage box; the equipment chamber is located on one side of the cabin body in the length direction, the side, located on the cabin body in the length direction, of the equipment chamber is open, and the equipment chamber is divided into a liquid cooling chamber and an electrical chamber in the width direction of the cabin body. The modular design of one rack with two clusters and one cabin with two stacks is adopted, the spatial layout is reasonable, and the expansibility, compatibility and environmental applicability are high.

The utility model relates to a road surface state monitoring system, which belongs to the technical field of monitoring equipment and comprises a protective shell, a monitoring mechanism, a control element and a power supply assembly for supplying power to the whole system are arranged in the protective shell, and two open holes are arranged at the front end of the protective shell. The monitoring mechanism comprises a first guide pipe, a second guide pipe, a first lens, a second lens, an infrared light source transmitting assembly and an infrared light source receiving assembly. According to the utility model, the infrared light source transmitting and receiving technology is adopted, so that the system can stably operate under different weather and illumination conditions, and the anti-interference capability is improved. By measuring the reflection and scattering conditions of infrared light on the road surface, the system can accurately sense the road surface state, and the problem of monitoring data distortion caused by human factors or environmental factors in a traditional method is avoided.

This utility model relates to a biliary particle tube implantation kit, including a particle tube implantation kit assembly and a particle tube. The particle tube is a hollow and transparent cylindrical tube with an opening at one end. The open end of the particle tube is coaxially connected to a connector with openings at both ends. A traction suture, which is an absorbable suture, is also installed on the outer wall of the particle tube. This utility model facilitates the rapid assembly of the particle tube and allows for easy integration with a self-expanding metal stent. During surgery, the particle tube and the self-expanding metal stent can be accurately, efficiently, and safely implanted into the predetermined position within the biliary tract.

The utility model discloses a packaging structure of a high-stability laser, and relates to the technical field of lasers, and the packaging structure of the high-stability laser comprises a housing which is provided with an accommodating cavity with an opening; the chip assembly is arranged in the accommodating cavity; the cover body is fixed at the opening to seal the accommodating cavity; the first heat dissipation piece is fixed to the cover body, one end of the first heat dissipation piece abuts against the top of the chip assembly, and the other end of the first heat dissipation piece penetrates through the cover body and extends out of the containing cavity. According to the technical scheme provided by the utility model, the stability of the laser is improved.

A semiconductor device includes a substrate, a first gallium nitride type high electron mobility transistor, a second gallium nitride type high electron mobility transistor, a first inner connector, and a second inner connector. The substrate includes a first type doped semiconductor region and a second type doped semiconductor region. The first gallium nitride type high electron mobility transistor covers a first region on the first type doped semiconductor region and the second type doped semiconductor region. The second gallium nitride type high electron mobility transistor covers a second region on the first type doped semiconductor region and the second type doped semiconductor region. The first region and the second region are separated from each other. The first inner connector connects the first region, and a width of the first inner connector is greater than a source-drain pitch of the first gallium nitride type high electron mobility transistor. The second inner connector connects the second region, and a width of the second inner connector is greater than a source-drain pitch of the second gallium nitride type high electron mobility transistor.

This utility model relates to the technical field of waste incineration environmental protection devices, and discloses a waste incineration fly ash flue gas treatment system, including an oxygen-enriched side-blowing module, a primary denitrification module, a dioxin control module, a desulfurization module, and a secondary denitrification and whitening emission module arranged in sequence. The entire equipment revolves around the treatment of waste fly ash flue gas containing high chlorine. Through smelting and resource recovery, and then through multi-stage flue gas purification, pollutants are discharged in compliance with standards. The various modules and devices work together to achieve the dual goals of resource recovery and environmental protection.

The utility model belongs to farmland drainage technical field, concretely relates to a overflow drainage channel of high standard farmland, including the drainage channel of setting between plots, one side inner wall fixed mounting of drainage channel has first rotation axis, the other side inner wall swing joint of drainage channel has second rotation axis, and second rotation axis penetrates the other side wall of drainage channel, and it is installed between first rotation axis and second rotation axis to have cylinder, one side wall of cylinder is set on first rotation axis, and the other side wall of cylinder is fixedly connected with second rotation axis, and a plurality of filter devices are equipped in cylinder, and a plurality of impurity removal subassemblies are installed on the surface of cylinder. The utility model can quickly, safely drain excess water in field, prevent farmland waterlogging, ensure that high standard farmland can realize drought and flood and ensure yield, and high yield and stable yield.

The utility model relates to the technical field of radiators, in particular to a novel radiator with a needle-column-shaped fin high-density arrangement structure, which comprises a substrate, the substrate is provided with at least one heat source contact surface, mounting holes are arranged at corners of the heat source contact surface so as to facilitate fixation, and a plurality of needle-column-shaped fins are arranged on the non-contact surface side of the substrate in a high-density vertical array mode. The cross section of the substrate is polygonal or circular, turbulent flow grooves (preferably V-shaped grooves or trapezoidal grooves) are formed in the top of the substrate so as to increase air turbulence and improve the heat dissipation effect, the projection area of the needle-column-shaped fins accounts for 70%-95% of the total area of the non-contact face of the substrate, the space is utilized to the maximum extent, the needle-column-shaped fins are made of copper alloy, aluminum alloy or metal matrix composite materials, and therefore the heat dissipation efficiency is improved. And the surface of the needle-column-shaped fin is covered with the nano oxide layer, so that the heat-conducting property and the corrosion resistance are enhanced, the needle-column-shaped fin can be arranged in a staggered array or hexagonal close packing manner, and the airflow path is optimized.

This invention discloses a regenerative energy harvesting system based on oscillating dual-series blunt body vortex-induced vibration, comprising a serial dual-blunt body vortex-induced vibration device 1, a speed-increasing gear set 2, and a generator system 3. The serial dual-blunt body vortex-induced vibration device 1 has two blunt bodies arranged in series and vertically along the ocean current flow direction, and telescopic swing arms 1-3 at both ends of them. The upstream blunt body has inner and outer layers, with the inner layer being a transmission shaft 1-1-1 and the outer layer being an upstream blunt body shell 1-1; the downstream blunt body is a downstream blunt body shell 1-2. The transmission shaft 1-1-1 and the downstream blunt body shell 1-2 are connected at their upper and lower ends by telescopic upper swing arm 1-3-2 and telescopic lower swing arm 1-3-1, respectively. The speed-increasing gear set 2 and the generator system 3 are arranged sequentially above the transmission shaft 1-1-1 and coaxially with it. This invention avoids the problems of self-locking and high friction that may exist in the linear vibration of a single object, reduces the impact of the water flow environment on the power generation system, and meets the requirements of high environmental adaptability.

The thermoelectric device according to an embodiment of the present invention includes: a fluid inflow portion including a surface and a reverse surface spaced apart from the surface in a first direction; a first thermoelectric element disposed on the surface of the fluid inflow portion; a second thermoelectric element disposed on the reverse surface of the fluid inflow portion; a first shielding member disposed on the first thermoelectric element; and a second shielding member disposed on the second thermoelectric element, wherein the first shielding member and the second shielding member each include a connecting hole, and the connecting hole of the first shielding member and the connecting hole of the second shielding member are offset from each other in the first direction.

The utility model relates to the technical field of shock absorption and noise reduction mechanisms, in particular to an excavator with a shock absorption and noise reduction mechanism, a cab shell is mounted on the rear side of the upper portion of an excavator body, a base is mounted in the middle of the upper portion of the excavator body, a shock absorption damping rod is hinged to the upper portion of the base, and a movable seat is hinged to the upper portion of the shock absorption damping rod. A rubber sleeve is mounted on the lower side of the periphery of the movable seat; the excavator has the beneficial effects that when an excavator body works, vibration can be transmitted to a cab, the vibration is transmitted to the damping rods through the base, the vibration amplitude and frequency are preliminarily weakened through stretching and retracting of the multiple sets of damping rods, and the rubber sleeves protect the internal damping rods against external influences; the movable seat and the connecting seat are connected through the air bag, the air bag can well absorb vibration, the spring rod limits the movement range of the connecting seat under the influence of vibration, and when the connecting seat collides with the movable seat under the influence of vibration, the rubber pad can effectively absorb vibration and reduce noise.

This utility model discloses a panel-separating fixture for inspecting the flatness of a product, belonging to the technical field of panel-separating fixtures. The inspection operating table is symmetrically equipped with slide rails, and a sliding plate is slidably mounted on the slide rails. An inspection panel is mounted on the sliding plate, and a red light inspection sensor is installed on the inner side of each inspection panel. A drive assembly is mounted on the slide rails of the inspection operating table, and a support scanning assembly is also mounted on the inspection operating table. The drive assembly includes a micro-drive component, a take-up and release wheel, a pull rope, and a pull groove. Micro-drive components are mounted at both ends of the slide rails, and a take-up and release wheel is mounted at the output end of each micro-drive component. A pull rope is wound around the take-up and release wheel, and the outer end of the pull rope is connected to the sliding plate for pulling. A pull groove is provided on the slide rails, meaning that the red light inspection sensors on the two supports are arranged opposite each other, enabling the emission of detection light from both sides above the product to achieve comprehensive inspection of the product's flatness.

This utility model discloses an airport lighting cable, comprising a conductor one and a conductor two. The conductor one and conductor two are twisted together, and the outer walls of both conductor one and conductor two are respectively covered with an insulation layer one. A metal layer is disposed on the outer wall of the insulation layer one, and an insulation layer two is disposed on the outer wall of the metal layer. The insulation layer two and the metal layer are connected by a covering process. This utility model relates to the field of airport lighting cable technology. This airport lighting cable, through the arrangement of conductor one, conductor two, insulation layer one, metal layer, insulation layer two, shielding layer, filling layer, and protective layer, improves conductivity. The use of high-purity copper or aluminum as conductors and the application of a multi-strand twisted conductor structure enhance the cable's conductivity and current carrying capacity, reduce power loss, ensure a stable power supply for airport lighting equipment, guarantee the normal operation of the lighting system, and enhance anti-interference capabilities.

The utility model discloses an explosion-proof LED lamp which comprises a radiator and a lamp source assembly, the radiator comprises a substrate and a plurality of radiating fins, and the radiating fins are fixedly connected to the substrate; the lamp source assembly comprises a circuit board and a lampshade, the circuit board is fixedly connected to the face, away from the cooling fins, of the substrate, the circuit board is provided with an LED module, the lampshade is fixedly connected to the substrate and covers the circuit board, and the lampshade is filled with transparent silica gel. According to the embodiment of the utility model, the explosion-proof effect and the heat dissipation effect can be improved.

The utility model discloses convexity measuring equipment arranged on a hot mill, and relates to the technical field of steel production equipment. Comprising a high-voltage X-ray tube located on a first supporting frame and used for generating X-rays; the ray detection array is located on the second supporting frame and used for receiving the X rays penetrating through the detected strip steel; the grating projection system is used for forming a grating array on the surface of the strip steel; the Moire camera is used for shooting the shape of the grating line in real time and obtaining the straightness and width of the strip steel according to the change and shape of the grating line; the upper part of the sliding frame body is a box body, and the lower part is a C-shaped frame; the high-voltage X-ray tube, the grating projection system and the Moire camera are placed in the box body, and the ray detection array is located on the C-shaped frame. By measuring the straightness and width of the strip steel in real time, problems in the production process can be found in time, unqualified products are avoided, the rejection rate is reduced, and the production cost is reduced.

This invention discloses a nystatin microsphere with targeted enhanced antifungal function, its preparation method, and its application. The microsphere uses sodium alginate as a carrier, internally encapsulating the antifungal drug nystatin. The surface is covalently modified with the β-glucan binding domain of the Dectin-1 protein, constructing a smart drug delivery system with fungal targeting function. The microsphere preparation process is simple and reproducible, and can be scalable using an emulsion-ionic crosslinking method combined with protein coupling technology. In vitro characterization shows that the microspheres have uniform particle size and stable dispersion, and Dectin-1 modification significantly enhances their specific binding ability against Candida albicans. This targeted delivery system, while successfully preserving drug activity, significantly improves the antifungal efficiency of nystatin through Dectin-1-mediated targeting, achieving efficacy close to that of free drug, and providing a new strategy for constructing highly efficient and long-acting antifungal agents.

Provided is a removal processing machine capable of easily accessing a fastening member of a spindle head cover from the inside of a processing chamber. The removal machine includes: a main shaft that holds a tool; a spindle motor connected to the spindle and rotating the spindle; a spindle head to which a spindle and a spindle motor are mounted; a spindle head cover which is fixed to the spindle head and which protects the spindle and the spindle motor from flying objects generated by machining; a drive mechanism that advances and retreats the spindle head in the axial direction of the spindle; and a cover body that defines the processing chamber and that prevents the scattering material from scattering to the outside of the processing chamber, in which, when the spindle head is located at any coordinate in a coordinate region in which the drive mechanism moves forward and backward, a fastening member provided to the spindle head cover is located inside the processing chamber, and when the spindle head is located at any coordinate in a coordinate region in which the drive mechanism moves backward and forward, the fastening member is located inside the processing chamber. The fastening member can be fastened and released from the inside of the processing chamber.

The utility model discloses a high-strength protection type water meter counter. The high-strength protection type water meter counter comprises a protection mechanism and a water meter counter body. A dial plate is installed on the upper side of the water meter counter, connecting pipes are installed at the two ends of the water meter counter, the protection mechanism is composed of a protection shell and a sealing cover, through holes are formed in the two ends of the protection shell, the connecting pipes are fixed in the through holes, and the sealing cover is rotationally installed on the upper side of the protection shell; drying mechanisms are mounted on the two sides of the interior of the protective shell, and each drying mechanism is composed of a filler cavity and a drying agent. The protection mechanism is mainly used for protecting the water meter counter from being influenced by external environments such as dust, moisture and collision, a drying agent used by the drying mechanism such as a silica gel drying agent has high moisture absorption capacity, moisture in air in the protection mechanism can be absorbed, the water meter counter is prevented from being damaged by the moisture, and the service life of the water meter counter is prolonged. For example, the problems such as moisture short circuit of electronic components and rusting of mechanical parts are avoided.

The utility model discloses a sample deoiling filter suitable for a water quality analyzer, and relates to the field of wastewater treatment equipment. The filter comprises the filter main body, the filter main body comprises the shell, the mounting block is arranged in the middle of the outer side of the shell, the cleaning mechanism is arranged, the magnetic ring is connected with the magnetic ring through magnetic force, so that the cleaning mechanism can slide on the inner wall of the filter bin, manual intervention is not needed in the cleaning process, and the cleaning efficiency is improved. The automation degree is improved, the maintenance workload is reduced, a plurality of vibration motors are integrated in the side groove in the outer side of the magnetic suction ring, so that the cleaning effect is enhanced, vibration can help bristles to more effectively remove stains and oil stains attached to the outer filter layer, a circuit line can be conveniently connected with the vibration motors due to the design of a wiring port in the top of the magnetic suction ring, and the service life of the circuit line is prolonged. A circuit line adopts a miniature coaxial cable, and the cable has excellent signal transmission performance and anti-interference capability, so that the vibration motor can work stably.

The utility model discloses a kind of fixing devices for plastic bucket production and processing, related to fixing device for plastic bucket production and processing field, specifically a kind of fixing device for plastic bucket production and processing, including plastic bucket body, the plastic bucket body can be fixed on platform, four limiting grooves are equipped on the platform, four The limiting grooves are evenly distributed on platform surface, the top of the platform is connected with disc, the top of the disc is fixedly connected with protective shell, the utility model solves the problem that existing fixing device for plastic bucket production and processing is difficult to adapt to different diameter specifications.

The invention relates to the field of oral care products, and particularly discloses a preparation method of whitening and antiallergic toothpaste which comprises the following raw materials: deionized water, an abrasive, a traditional Chinese medicine extract, sodium phytate, a microcapsule desensitizer, torreya grandis seed oil, sorbitol, cocamidopropyl betaine, xanthan gum and sodium carboxymethyl cellulose. The preparation method comprises the following steps: mixing the xanthan gum, the sodium carboxymethyl cellulose, the sorbitol and the deionized water, stirring and dispersing, then adding the abrasive, the sodium phytate and the cocamidopropyl betaine, stirring and dispersing in vacuum, finally adding the traditional Chinese medicine extract, the microcapsule desensitizer and the torreya grandis seed oil, continuously stirring and dispersing, and vacuumizing, discharging and filling in a vacuum state. The whitening and antiallergic toothpaste is obtained. The whitening anti-allergic toothpaste prepared by the invention is proper in friction value, excellent in tooth stain and dental plaque removal effect, remarkable in tooth whitening effect, capable of solving the problem of dentin hypersensitivity in multiple aspects and remarkable in anti-allergic effect.

The invention discloses a cable assembly with an anti-immersion function, and relates to the technical field of cable assemblies, and the cable assembly comprises a sealing mechanism which is disposed on a pedestal and on the inner side of a rotating housing, and is used for pressing and sealing a flexible sleeve; the one-way limiting mechanism is arranged on the rotating shell and used for locking the rotating shell on the base; the gap filling mechanism is arranged on the base and is used for filling a gap between the flexible sleeve and the cable connector; and the clamping mechanism is arranged on the base and is used for clamping and fixing the cable assembly connected to the cable connector. According to the cable assembly and the cable connector, the arc-shaped protruding blocks push the limiting blocks to press the flexible sleeve between the two annular protruding blocks, sealing between the cable assembly and the cable connector is ensured, operation is simple, overall scrapping caused by connector damage in a traditional integrated forming mode is avoided, resources are saved, and the service life of the cable assembly and the cable connector is prolonged. Maintenance and replacement are more flexible and convenient, and the service life of the system is further prolonged.

The present invention discloses a partitioned gas shielded additive equipment, which has a cover body and an air cooling and constant humidity device. The cover body is provided with a partition I, which divides the cover body into a relatively independent working area and equipment area; the air cooling and constant humidity device includes an indoor unit and an outdoor unit; the printing device body and the indoor unit are placed in the working area of ​​the cover body, the power box and the wire feeder are located in the equipment area of ​​the cover body, and the wire feeder feeds the welding wire into the printing device body through the welding wire through hole; the partition I is also provided with a line through hole for line connection between the printing device body and the power box; the outdoor unit is located outside the cover body, and the cover body is provided with a pipeline through hole for pipeline connection between the indoor unit and the outdoor unit. Through functional zoning, the gas shielded additive equipment is provided with a relatively stable working condition of temperature and humidity, so as to achieve the purpose of improving the processing accuracy and manufacturing efficiency of the workpiece, while reducing energy consumption, and facilitating the control of quality and curing process.

The utility model relates to a battery module upper cover fixed structure, including shell, battery module and top cap, the battery module installs in the inside of shell, the top cap is through the detachable connection with shell of connecting assembly, the connecting assembly includes two elastic members, two the elastic members are installed respectively in the left and right sides of top cap lower end surface, and the side opposite to two elastic members is provided with the clamping block, the shape of the lateral cross section of clamping block is right triangle, corresponding two clamping blocks, the square mouth that is inserted for clamping block is set up respectively in the left and right sides of the upper end surface of shell. The battery module upper cover fixed structure, compared with traditional rivet fixed or cemented fixed, through the elastic clamping cooperation of elastic member and clamping block, need not tool to complete the installation and disassembly of top cap, the design of pressing groove makes the disassembly operation more labor saving, significantly shortens the maintenance time of battery module, improves work efficiency.