31results about How to "Avoid chain reaction" patented technology

The invention discloses a method suitable for adding a control shunt under multiple scenes in a demand response execution process, and the method comprises the steps: obtaining real-time load data, historical load data, environment parameter data and user behavior data, and carrying out the processing through a tensor decomposition method and a support vector machine, and obtaining a scene feature vector and a scene type identifier; real-time load data and system constraint data are combined, a fuzzy comprehensive evaluation method and a graph neural network are adopted for processing, and a shunt response capability matrix and a control constraint matrix are obtained; processing by adopting a multi-objective optimization method to obtain an optimization objective function set, a weight coefficient matrix and a constraint condition set; and processing by adopting a genetic algorithm and a dynamic programming method to obtain a control strategy matrix and an execution time sequence vector. According to the invention, accurate control and dynamic optimization in the demand response process can be realized, and the execution efficiency and reliability of the control strategy are improved.

The invention discloses a flame-retardant antistatic wear-resistant fabric and a preparation method thereof, and relates to the field of fabrics. When the flame-retardant antistatic wear-resistant fabric is prepared, nano titanium dioxide is subjected to a reaction with 3-aminopropyltrimethoxysilane, 2, 5-dihydroxy terephthalaldehyde and 1-aminopyrrole in sequence, and modified nano titanium dioxide is prepared; reacting the ester mixed solution with the alcohol mixed solution, and then reacting with 1-allyl-1H-pyrrole to obtain modified polyester; reacting the modified polyester, the modified nano titanium dioxide and a pyrrole mixed solution, spinning, and weaving to obtain the flame-retardant antistatic wear-resistant fabric. The flame-retardant antistatic wear-resistant fabric prepared by the invention has excellent flame-retardant, antistatic, wear-resistant, antibacterial and anti-aging effects.

The invention relates to the technical field of dry-type transformers, and discloses a dry-type transformer with a lead-out wire arrangement structure, which comprises a dry-type transformer main body, a control cabinet and a base, and is characterized in that the dry-type transformer main body is connected with the control cabinet through a plurality of wire groups; wire arranging mechanisms with the same number as the wire groups are arranged between the dry-type transformer main body and the control cabinet, and the wire arranging mechanisms are used for independently fixing a plurality of wires in the same wire group. According to the invention, the plurality of independent junction box assemblies are arranged on the wire mounting part, and can be used for separately fixing and arranging a plurality of wires of the same wire group, so that each wire is kept at a safe distance, and the problem of chain reaction of the wires can be avoided.

The invention relates to the field of high polymer materials, and provides a preparation method and application of composite halogen-free high-phosphorus-content flame-retardant polyester aiming at the problems of non-uniform component dispersion and poor anti-dripping effect of the composite flame-retardant polyester. The preparation method comprises the following steps: mixing dihydric alcohol, terephthalic acid, a catalyst, esterification liquid of the reaction type phosphorus flame retardant and the reaction type nitrogen flame retardant, sequentially carrying out esterification reaction and polycondensation reaction to obtain a melt, and treating the melt to obtain the composite halogen-free high-phosphorus-content flame-retardant polyester. The invention also provides application of the flame-retardant polyester. According to the invention, the reactive phosphorus flame retardant participates in the polyester polymerization process, so that the influence on the molecular regularity of polyester is small, and the crystallization behavior and post-processing performance of slices are not influenced; the apparent viscosity of the polyester is improved by the modified nitrogen flame retardant, the polycondensation time is greatly shortened, and the polyester with lasting flame-retardant effect and good anti-dripping effect is obtained by compounding multiple halogen-free flame retardants.

The invention belongs to but not limited to the technical field of genetic engineering technology, and discloses a construction method and application of a BspE gene deletion strain of Brucella effect protein, the BspE gene deletion strain is constructed by using homologous recombination and SacB reverse screening technology, Brucella abortus A19 vaccine strain liquid is used as a template, PCR amplification is carried out to obtain upstream and downstream homologous arms of BspE gene, and the BspE gene deletion strain is constructed by using the upstream and downstream homologous arms of the BspE gene. The method comprises the following steps: carrying out fusion PCR (Polymerase Chain Reaction) amplification on upstream and downstream homologous arms of a BspE gene subjected to gel recovery, and connecting and transforming an obtained fusion fragment and a pUC19-SacB plasmid to obtain a recombinant plasmid pUC19-delta BspE. The invention relates to a bovine brucella BspE deletion vaccine strain, which is characterized in that a plasmid is obtained, the plasmid is electrically transformed into a bovine brucella A19 competent cell, and the positive transformant is a bovine brucella BspE deletion strain through kanamycin resistance and sucrose pressure screening, PCR (polymerase chain reaction) identification and sequencing, and the deletion vaccine strain improves the levels of antibacterial cytokines and specific brucella antibody IgG, and can be used for preparing the bovine brucella BspE deletion vaccine strain. The Brucella attenuated vaccine strain is a novel Brucella candidate attenuated vaccine strain and has a good market prospect.

This invention belongs to the field of wet electronic chemicals technology, specifically relating to a method for preparing electronic-grade hydrogen peroxide. The method includes the following steps: adjusting the concentration of raw hydrogen peroxide, and then filtering it sequentially through a reverse osmosis membrane, a modified cation exchange resin, an anion exchange resin, and a mixed ion exchange resin to obtain electronic-grade hydrogen peroxide. The modified cation exchange resin used is modified based on conventional cation exchange resin through pore expansion and grafting, optimizing the spatial matching of pore structure and functional sites. This achieves passivation of metal ions, enhanced adsorption capacity, and improved oxidation resistance, as well as a deep synergistic effect of these three effects. Ultimately, it achieves the dual goals of efficient purification and stable operation of the resin in the hydrogen peroxide system. The resulting electronic-grade hydrogen peroxide can reduce the content of single impurity metal ions to below 5 ppt, meeting the requirements of SEMI G5 standards, and can be directly applied to high-end manufacturing fields such as semiconductor wafer cleaning.

The application belongs to the field of battery state monitoring, and discloses a battery thermal runaway early warning method based on a single-point thin film pressure sensor. A single-point thin film pressure sensor is arranged between adjacent battery cells in a battery pack to sense the battery cell pressure signal in real time. The charging and discharging process of the battery pack is monitored through the battery cell pressure signal, and the cycle pressure peak value sequence and the valley value sequence of the last N charging and discharging cycle periods of each battery cell in the charging and discharging process are recorded adaptively, and the dynamic grading pressure early warning threshold of each battery cell is calculated based on the sequence. The battery cell abnormality is identified and the thermal runaway early warning is performed according to the dynamic grading pressure early warning threshold. The application effectively offsets the interference of factors such as the battery cell manufacturing tolerance, the sensor individual difference, the installation deviation and the battery cell expansion caused by the charging and discharging cycle through the dynamic grading threshold of each battery cell, so that the early warning result is more suitable for the actual state of the battery, and a reliable basis is provided for the thermal runaway early identification.

The invention provides an aluminum sheet support of a battery module, and belongs to the technical field of power batteries, the aluminum sheet support comprises an aluminum sheet terminal, the aluminum sheet terminal is provided with two electrode mounting seats and two mounting parts, and the aluminum sheet terminal is in central symmetry relative to a geometric center; and the plastic support is provided with a through hole matched with the outer contour of the aluminum sheet terminal, two insertion parts are arranged in the through hole, and the two installation parts are fixedly connected with the two insertion parts. According to the aluminum sheet support, the aluminum sheet terminals are arranged in the through holes, so that the battery cells are isolated, chain reaction caused by battery cell deflagration accidents is avoided, and the probability that the aluminum sheet support is damaged in the preparation, transportation and assembly processes is reduced through the structure.

The invention relates to the technical field of new energy automobile charging equipment, and discloses a new energy automobile mobile charging robot which comprises a mobile chassis, a box shell is fixedly mounted at the top of the mobile chassis, a damping base is fixedly mounted at the inner bottom of the box shell, and a plurality of battery grooves are uniformly formed in the surface of the damping base; storage battery packs are fixedly mounted on the surfaces of the battery grooves correspondingly, a heat conduction plate is fixedly mounted at the bottom of the damping base, polished rods are movably mounted on the front side and the rear side of the inner bottom of the movable chassis correspondingly, and a plurality of flame-retardant outer plates are movably mounted on the outer diameters of the polished rods correspondingly; and flame-retardant inner plates are movably mounted in the flame-retardant outer plates through push-out springs. Mobile flexible charging is achieved, dual safety protection of waste heat self-driven efficient heat dissipation, nitrogen fire extinguishing and flame-retardant blocking is achieved, the advantages of being convenient and fast to operate, high in energy utilization rate, reliable in structure and the like are achieved, and the charging stability and safety are greatly improved.

The invention relates to the technical field of aging test equipment, and discloses filter high-temperature aging test equipment which comprises a test frame, a plurality of test boxes and a blowing-type heat supply mechanism, the test boxes and the blowing-type heat supply mechanism are installed on the test frame, and heating cavities are formed in the box walls of the test boxes. An air inlet and an air outlet which are communicated with the heating cavity are formed in the back surface of the test box; according to the invention, by arranging a plurality of independent test boxes, samples to be tested can be effectively isolated, chain reaction and simultaneous damage of a plurality of samples are avoided, the safety of the test process is improved, by arranging a partition plate and a concave plate, the lifting of the partition plate and the concave plate can be controlled according to the size of a filter, and the test efficiency is improved. Therefore, the volume of the detection cavity and the heating cavity is adjusted, heat can be concentrated in the detection cavity, energy waste caused by heating the whole large space and maintaining the constant temperature is avoided, and efficient utilization of energy is achieved.

The application belongs to the field of batteries, and particularly relates to a battery pack and a heat transfer pipe. The application overcomes the problem of local high heat of a single battery pole in an existing battery pack, which causes thermal runaway. The battery pack comprises a plurality of battery components; the battery components comprise a battery module and two heat transfer pipes; the battery module comprises a plurality of single batteries; the two heat transfer pipes are arranged on total positive terminals and total negative terminals of the battery module respectively; each heat transfer pipe is provided with two mutually isolated sub-channels; in the plurality of battery components, the heat transfer pipes are connected in series in a set order; after cooling liquid enters a total liquid inlet end, the cooling liquid flows through one sub-channel in each heat transfer pipe in turn, and then flows through the other sub-channel in each heat transfer pipe in turn through a loop turning node, and finally flows out from a total liquid outlet end. The application directly contacts the heat transfer pipe with the polarity terminals of the single batteries, and simultaneously realizes efficient and balanced heat dissipation of the polarity terminals based on the series connection structure of the heat transfer pipes.

The present invention provides a battery management system including an anti-reverse switch component, comprising a battery string formed by a plurality of batteries connected in series, wherein the battery string and the anti-reverse switch component are connected in series to form a battery cluster; the plurality of battery clusters are connected in parallel to form an energy storage matrix; the positive and negative electrodes of the energy storage matrix are respectively connected to a parallel battery management system; the parallel battery management system comprises an acquisition communication management unit, an operation unit, a communication management unit and a central management system; the communication management unit is respectively connected to each of the battery clusters for communication; the communication management unit is respectively connected to the central management system and the acquisition communication management unit for communication; the central management system is respectively connected to a charger and a driver. According to the battery management system of the present invention, the reliability of preventing thermal runaway is greatly improved.

The utility model discloses fire-fighting monitoring and alarming equipment for chemical safety, and belongs to the technical field of fire-fighting monitoring and alarming. Comprising a monitoring integrated shell, a control module and a wireless communication module are arranged in the monitoring integrated shell, the control module is connected with an alarm module, a display module and a camera module, and the control module is externally connected with a sensing detection assembly. The sensing detection assembly comprises a noise module, a gas sensor, a temperature sensor and a smoke sensor, the noise module is arranged, when the noise module detects noise in a factory area, the noise transmits a signal to the control module in the monitoring integrated shell, and when the noise is larger than a set threshold range, the smoke sensor sends the signal to the control module. If small-scale explosion occurs in the factory, the control module cuts off the power supply master control switch, so that the line safety is ensured, chain reaction is avoided, and the line damage is reduced.

The utility model relates to the technical field of towing, and discloses a self-adaptive towing stability control system which comprises a base station, a hook lock connecting piece is arranged on the base station, and the hook lock connecting piece is connected with a traction rope; the hook lock connecting piece is arranged on an arc-shaped buffer rod in a sleeving mode, the two ends of the arc-shaped buffer rod are connected with two limiting blocks arranged on the end face of the base table respectively, the portion, between the limiting blocks and the hook lock connecting piece, of the arc-shaped buffer rod is sleeved with a buffer spring, and the hook lock connecting piece is connected with a swing disc. A sliding pointer is arranged on the sliding rod, and a swing meter is arranged on the base station at the position corresponding to the sliding pointer. According to the self-adaptive towing stability control system, the arc-shaped buffer rod is matched with the buffer spring and the hook lock connecting piece, so that control over the traction rope is achieved, it is guaranteed that the traction rope does not shake or incline greatly during traction, and most of force can be relieved through the buffer spring.

The utility model discloses a low-temperature charging monitoring device for a power battery pack, which comprises a low-temperature test box, a wire holder with a hollow structure is fixedly connected inside the low-temperature test box, the top of the wire holder is fixedly communicated with a T-shaped wiring pipe, and the outer wall of the T-shaped wiring pipe is rotatably sleeved with a butt joint sleeve. By arranging the wire holder, the T-shaped wiring pipe, the butt joint sleeve, the bearing seat, the electric slip ring, the jack, the bolt, the top column and the partition plate, the plurality of power battery pack bodies can be conveniently charged at a low temperature, and meanwhile, chain reaction caused by short-circuit fire of the plurality of power battery pack bodies is avoided; by arranging the electric push rod, the metal plate, the L-shaped pipe, the smoke sensor and the explosion-proof glass frame, the explosion-proof glass frame covers the power battery pack bodies, diffusion is prevented after the power battery pack bodies are short-circuited and are on fire, and the smoke sensor monitors the short-circuited and on-fire smoke phenomenon in the charging process.

The invention relates to a rolling mill vertical roll device, and relates to the technical field of steel rolling, the rolling mill vertical roll device comprises a fixed cross beam, and a vertical roll, a lead screw, a worm gear and a balance hydraulic cylinder which are mounted on the fixed cross beam, the lead screw is arranged in the worm gear in a penetrating manner and is in threaded connection with the worm gear, and the worm gear is rotationally arranged; the lead screw penetrates out of one end of the worm wheel and is in contact connection with the vertical roller, the balance hydraulic cylinder is provided with a piston rod, and the piston rod penetrates through the lead screw and is connected with the vertical roller; the piston rod is driven by the balance hydraulic cylinder to be tensioned, and gaps between the vertical roll and the lead screw and gaps between the lead screw and the worm gear are eliminated. The piston rod is driven by the balance hydraulic cylinder to move and is automatically tensioned, so that gaps between the lead screw and the worm gear and between the lead screw and the vertical roll are eliminated; the problem of roll gap jumping of the vertical roll of the rolling mill is solved, the roll gap accuracy of the vertical roll of the rolling mill is improved, the adjusting time is shortened, the step of manually checking the roll gap through a filler gauge is reduced, and the production cost is reduced.

The present invention provides a method for realizing fault early warning and management of electronic related equipment of a railway signal system, which comprises: retrieving delayed passenger clearance data to determine the fault mode causing the delay of the passenger clearance operation; establishing a fault logic model, a fault assessment model, and constructing the relationship between the fault mode and the operating state, and the relationship between the maintenance measure and the fault mode in a monitoring and early warning system; extracting fault characteristic parameters according to the relationship between the fault logic model, the fault mode and the operating state, and judging whether the fault characteristic parameters are within a normal monitoring threshold; and / or obtaining the occurrence probability of the fault mode according to the fault assessment model; assigning different weights to the fault characteristic parameters and the occurrence probability corresponding to the fault mode in combination with key factors, and calculating the early warning level of the fault mode; selecting the elimination method of the fault early warning level according to the relationship between the maintenance measure and the fault mode, realizing early warning and management of the fault mode, and effectively reducing the failure rate.

The utility model discloses a high-voltage live display locking device for monitoring leakage current, which belongs to the technical field of lightning arrester monitoring and comprises an electric leakage detection module, a signal processing module, a master control module, an alarm module, a locking module and a power supply module. The electric leakage detection module is used for collecting a leakage current signal and transmitting the leakage current signal to the signal processing module; the signal processing module converts the leakage current signal into a voltage signal and transmits the voltage signal to the main control module; the main control module responds to the voltage signal to generate an alarm signal and a blocking signal; the alarm module responds to the alarm signal to execute an alarm action; the locking module responds to the locking signal to execute a locking action; the power supply module provides working voltage for the electric leakage detection module, the signal processing module, the main control module, the alarm module and the locking module. According to the utility model, the problem of low safety caused by the fact that the electrification condition of the lightning arrester corresponding to other electrical equipment is not considered in the prior art is solved.

The utility model relates to a liquid cooling plate, a battery pack and an electric device. The liquid cooling plate is used for cooling the battery cell module, the battery cell module is provided with a pressure relief surface, a pressure relief valve of a battery cell of the battery cell module is located on the pressure relief surface, the liquid cooling plate is used for being arranged corresponding to the pressure relief surface, and the liquid cooling plate is provided with a first plate body, a second plate body and a cavity located between the first plate body and the second plate body and used for containing cooling liquid; the first plate body is closer to the pressure relief face relative to the second plate body, the first plate body is provided with a first weak structure corresponding to the pressure relief valve, the second plate body is provided with a second weak structure corresponding to the first weak structure, and the first weak structure can form a first notch communicated with the cavity when damaged. The second weak structure can form a second notch communicated with the cavity when damaged, and the second notch is communicated with the first notch through the cavity. The liquid cooling plate can effectively solve the problem of heat accumulation when the battery cell is in thermal runaway, and the purpose of preventing thermal diffusion is achieved.

The present invention provides a battery management system including an anti-reverse parallel switch component, including a battery, a surge suppressor, an energy storage matrix, an anti-reverse switch component and a matrix battery management and energy dispatching system. A plurality of batteries are connected in series to form a battery string. The connection end of the battery string is connected in series with the connection end of the anti-reverse switch component to form a battery cluster. The positive and negative electrodes of the energy storage matrix are electrically connected to the connection end of the matrix battery management and energy dispatching system, respectively. The matrix battery management and energy dispatching system includes a charging end, a communication unit, an operation unit, an energy dispatching unit and a central management system. The connection end of the communication unit is electrically connected to the connection end of the central management system. The other end of the central management system is connected to the charging end. The central management system is communicatively connected to the anti-reverse switch components in a plurality of battery clusters. According to the battery management system of the present invention, the reliability of preventing thermal runaway is greatly improved.

The utility model provides a heat dissipation structure of a battery cell module and the battery cell module, the heat dissipation structure comprises a battery cell group, a shell and a heat dissipation piece, the battery cell group comprises at least two battery cells; an accommodating cavity is formed in the shell, a mounting groove communicated with the accommodating cavity is formed in one side of the shell, and the battery cell group is arranged in the accommodating cavity; one end of the heat dissipation piece penetrates through the mounting groove and extends into the accommodating cavity, the other opposite end of the heat dissipation piece extends to the outside of the shell and is connected with heat dissipation equipment, and two adjacent battery cells in the battery cell group are attached to the heat dissipation piece. The heat dissipation piece is arranged in the middle of the battery cell group, and the heat dissipation piece penetrates through the mounting groove and is attached to the two adjacent battery cells, so that heat generated in the middle of the battery cells can be effectively guided to the heat dissipation piece. Therefore, heat can be dispersed, and the problem that the middle part of the battery cell group is overheated is prevented. Meanwhile, through connection with external heat dissipation equipment, heat can be released more effectively, and the overall heat dissipation effect is improved.

The invention belongs to the technical field of client design in the video monitoring industry, and relates to a method for realizing a lightweight client data interaction structure of a video fusion platform, which comprises the following steps of: carrying out layered structure design on a client to realize layering of the structure; packaging each layer of structure to form an independent packaging library; the method comprises the following steps: optimizing a communication mechanism in a client, stripping communication data, and independently creating a packaging library for data communication; if the structure of a certain layer needs to be modified, the independent data communication packaging library can be used for communication, and the packaging library of the structure of the layer can be replaced and / or modified. The layered structure ensures that the whole demand can be completed by only modifying one library. The whole client does not need to be modified, maintenance is convenient, the structure is light, and data are not redundant. The modification period is greatly shortened, the development efficiency is improved, the software development process is smoother, and the rapid change requirements of markets and users can be better met.

The application provides a bus side knife switch operation risk assessment method and device, and relates to the technical field of electric power engineering. The method comprises the following steps: if the knife switch in the power system is a bus side knife switch, the wiring type of the power system is obtained; then, according to the wiring type, the operation type corresponding to the wiring type is determined; then, according to the wiring type and the operation type, the simulation fault equipment of the power system is determined; finally, according to the simulation fault equipment, the power grid accident risk level of the power system is determined. Through the method, the accuracy of the risk assessment of the bus side knife switch operation can be improved.

The invention discloses a noise reduction and dust removal chassis for a diesel generator, belonging to the technical field of diesel generators. The invention comprises a base, a guide frame is arranged at the top center of the base, a main box body is arranged at the top edge of the base, a front cover is arranged at one end of the main box body, a control panel is arranged on the outer wall of the front cover, an inner bracket is arranged on the inner wall of the bottom of the front cover, and a top cover is arranged on the top of the main box body; the invention can not only avoid the blockage of cooling air flow caused by dust accumulation, and the chain reaction caused by dust covering the internal diesel generator and related precision control instruments, but also can realize smooth air flow in the chassis by timely processing the accumulated dust in the filtering structure, reduce the interference of the environment on the operation of the diesel generator, and then the noise generated by the abnormal operation of the diesel generator itself and the diffusion of the noise caused by the abnormal air environment, so as to improve the use efficiency of the diesel generator in the chassis and the life of components.

The invention relates to a motor vehicle (100) having a traction battery module (10), the traction battery module having a tightly sealed module housing (20), in which at least one cell stack pair (600) is accommodated, each cell stack pair consisting of a left cell stack (60) and a right cell stack (60'). The traction battery module (10) is arranged on a vehicle floor (102) and extends symmetrically in a vehicle transverse direction (X) relative to a vehicle center (M). The traction battery module has a bottom wall (26) in a horizontal plane. In the module housing (20) located in the vehicle center (M) and relative to the vehicle transverse direction (X), a gas space (66) is formed between the left cell stack (60) and the right cell stack (66'), and the module bottom wall (26) has a venting element (30) in the region of the gas space (66) in the vehicle center.

The invention discloses a macromolecular flame retardant as well as a preparation method and application thereof, and belongs to the technical field of preparation of macromolecular flame retardants. The macromolecular flame retardant is prepared from the following components in parts by weight: 30-50 parts of brominated SBS, 5-10 parts of talcum powder, 3-6 parts of a composite antioxidant, 2-6 parts of a modified chain extender and 0.1-0.4 part of a compatibilizer, the composite antioxidant is prepared from D-penicillamine, glycidyl, 2, 4-dichlorobenzyl alcohol and triethylamine, and the modified chain extender is prepared from 4-disulfonic acid disodium salt, N, N-dimethylformamide, N, N-dimethylformamide, N, N-dimethylformamide, N, N-dimethylformamide, N, N-dimethylformamide, N, N-dimethylformamide, N, N-dimethylformamide, N, N-dimethylformamide, N, N-dimethylformamide, N, N-dimethylformamide and N, N-dimethylformamide. The catalyst is prepared from N, N-bis (3-aminopropyl) methylamine, sodium borohydride and tetrabutylammonium bromide. The macromolecular flame retardant prepared by the method has excellent foaming performance, diffusion performance and oxidation resistance.

The invention discloses a high-precision voltmeter with a high-voltage circuit overload protection structure, which comprises a bearing mechanism, an intelligent identification mechanism and a high-voltage overload protection mechanism, and is characterized in that the high-voltage overload protection mechanism is fixedly connected to the interior of the bearing mechanism, and the intelligent identification mechanism is fixedly connected to the interior of the bearing mechanism. According to the invention, through the integrated intelligent overload early warning and protection system, voltage and current changes can be monitored in real time, data analysis is carried out in combination with an intelligent algorithm, potential overload risks are identified in advance, once an overload signal is detected, the system can rapidly respond, an overload path is cut off through a rapid switching circuit, and transient energy is released for use. According to the overload protection circuit, transient energy can be rapidly captured and safely released when overload occurs, energy waste and equipment impact are avoided, key electronic elements in the circuit are protected from being damaged by transient impact such as overvoltage and overcurrent, and safety accidents such as equipment damage and fire disasters are effectively prevented.

Disclosed is a battery module with an improved structure to reinforce safety when a thermal event occurs inside the battery module. The battery module includes a plurality of battery cells stacked in at least one direction; a module case configured to accommodate the plurality of battery cells in an inner space; and a blocking member interposed between adjacent battery cells and including a heat transfer preventing unit configured to prevent heat transfer between the adjacent battery cells and a flame transfer preventing unit provided to an inner side of the heat transfer preventing unit and configured to block a flame between the adjacent battery cells.

The invention discloses a lignite continuous drying device, which relates to the technical field of lignite drying. The lignite after drying burns more completely, improves combustion efficiency, and reduces pollutant emissions. However, during the lignite drying process, due to its flammable characteristics, there is a risk of fire and explosion. However, the existing lignite drying device has a large drying system. Once the dried lignite burns, due to the integrity and close contact of the material, a chain reaction is easily triggered, and the fire spreads rapidly, causing serious safety accidents and huge economic losses. The invention stores the lignite in each independent integrated bin respectively. Once abnormal temperature or internal flames occur during the drying process, even if the lignite in a certain integrated bin burns, it can effectively prevent the fire from spreading to other lignites, thereby preventing the occurrence of chain reactions and providing reliable safety guarantees for the lignite drying process.

The application relates to the technical field of data security, and discloses an enterprise trusted data access method and system based on a block chain, which comprises the following steps: constructing a sandbox activity coordinate system to identify potential bifurcation risks and generating a risk assessment report; extracting an affected sandbox list in the risk assessment report, creating a three-dimensional space coordinate system of a dependency relationship, generating a sandbox dependency fingerprint, drawing a dependency trajectory path, and exporting a dependency influence matrix; constructing a multi-sector time sequence coordination disc according to the dependency influence matrix to obtain a time sequence correctness guarantee state; and executing an influence range adaptive isolation mechanism by using the time sequence correctness guarantee state and the dependency influence matrix; the application can effectively avoid sandbox state bifurcation and guarantee the trustworthiness and stability of enterprise data access.