41results about How to "Moisture-proof" patented technology

The invention provides an anti-deformation gypsum board with a formaldehyde purification effect and a preparation method of the anti-deformation gypsum board, and relates to the technical field of gypsum boards. The gypsum board comprises the following raw materials in parts by weight: 20-40 parts of gypsum powder, 10-20 parts of bamboo charcoal powder, 5-15 parts of activated carbon, 5-10 parts of silicic acid sol, 3-6 parts of zinc oxide, 5-10 parts of a catalyst, 10-15 parts of silica fume, 5-10 parts of silicon calcium, 10-20 parts of polyester fibers, 3-8 parts of silver ions, 3-8 parts of zinc ions, 6-12 parts of an anti-cracking agent, 5-10 parts of a thickening agent, 3-6 parts of a dispersing agent and 10-30 parts of purified water. By adding bamboo charcoal powder and activated carbon materials, harmful gases such as formaldehyde in air can be effectively purified, by adding polyester fibers, silica fume and silicon-calcium materials, the deformation resistance of the gypsum board can be improved, the service life of the gypsum board can be prolonged, by adding anti-cracking agents such as polypropylene fibers, the cracking situation of the gypsum board can be reduced, and the stability of the gypsum board can be enhanced. By adding the catalyst, silver ion and zinc ion materials, the chemical stability of the gypsum board can be improved, and the service life of the gypsum board is prolonged.

The present invention provides an inflatable swimming pool that is convenient for drainage, including an air chamber layer and a bottom pad, wherein the air chamber layer is surrounded into an approximate rectangle, the two long sides of the rectangular air chamber layer are recessed inwardly, the bottom of the air chamber layer is closed by the bottom pad to form a pool structure, and after the air chamber layer and the bottom pad are filled with water, the two long sides of the air chamber layer can expand outwardly to form a straight rectangular pool, a storage chamber is also provided in the air chamber layer, a closed cover is provided outside the storage chamber, a power module, a control switch and an air pump are placed in the storage chamber, the air pump is connected to the inner cavity of the air chamber layer through an inflation connecting pipe, and the control switch can control the air pump to be turned on or off. The present invention is more convenient to use, has better drainage efficiency and can be automatically inflated.

This utility model provides a waterproof packaging box with a protective structure, including a corrugated box body and a corrugated flap integrally formed on the opening side of the box body; a first honeycomb cardboard layer is provided at the bottom of the inner cavity of the corrugated box body, a buffer limiting seat is provided above the first honeycomb cardboard layer, and a buffer pressing seat is provided above the buffer limiting seat; the buffer limiting seat includes a limiting main board formed by folding a corrugated cardboard and support side plates formed on the four sides of the limiting main board and in contact with the first honeycomb cardboard layer, and a fitting hole matching the shape of the product is opened in the middle of the limiting main board; the buffer pressing seat includes a second honeycomb cardboard layer and hollow corrugated tubes respectively pasted and fixed at the four corners of the lower surface of the second honeycomb cardboard layer. In addition to having good shock absorption and cushioning functions, it can fix the product securely and provide good cushioning protection for the product, and also has waterproof and mildew-proof functions.

The utility model discloses a blanket convenient to quick layered disassembly and wash, including down layer, bottom base layer, first side zipper, comfortable protective layer and second side zipper, the second side zipper set in the outside end of comfortable protective layer, the first side zipper set in the outside end of bottom base layer. The utility model can conveniently carry out independent diswashing, and the upper layer is down layer plus bottom base layer, and the lower layer is comfortable protective layer plus moistureproof layer, and the physical dismounting separation can be realized conveniently through the zipper, realizes the convenient cleaning of down layer and bottom base layer, solves the cleaning difficult problem of traditional integral type blanket because of big thickness, heavy weight leads, the upper layer of easy dirty contacts human body can frequently machine wash, and the functional comfortable protective layer has the performance of moistureproof and heat preservation, can reduce the cleaning frequency, prolongs the overall life, and the magnetic attraction auxiliary positioning is provided, and the magnetic attraction piece is automatically adsorbed and aligned when reorganization zip teeth, avoids the operation tediousness of traditional zip that needs manual toothed engagement, especially suitable for large size blanket.

This utility model discloses a mine explosion-proof electrical control box, including an explosion-proof electrical control box body. A first terminal is installed on the upper side of the explosion-proof electrical control box body, and a second terminal is installed on the lower side of the explosion-proof electrical control box body. The back of the explosion-proof electrical control box body is attached to the front of a back plate. A buffer pad is fixed to the back of the back plate. Ear plates are fixed to the top and bottom sides of the back plate. A mounting hole is opened on the upper front of the back plate, and the mounting hole is connected to the rear end of a horizontal threaded rod. A support plate is fixed to the front end of the horizontal threaded rod. A positioning groove is opened at the center of the top surface of the support plate. A mounting groove is opened on the lower front of the back plate, and a locking bolt is installed in the mounting groove. This mine explosion-proof electrical control box adopts a novel structural design, which can not only stably position the connected multi-strand cables and avoid excessive bending damage at the cable connection, but also support and guide the cables, facilitating cable arrangement.

The invention discloses a photovoltaic power generation device, and relates to the field of photovoltaic technology, the photovoltaic power generation device comprises a photovoltaic module, a covering device, an installation part used for laying the photovoltaic module, and a supporting part used for supporting the installation part, the supporting part is arranged below the installation part, the covering device is arranged above the photovoltaic module, and the covering device is arranged above the photovoltaic module. Comprising a reel, a driving device used for driving the reel to rotate and a covering used for shielding a photovoltaic module, and the upper end of the covering is fixedly installed on the reel. According to the photovoltaic power generation device, the covering object can automatically cover the photovoltaic module through the covering device at night, and the situation that a glass panel of the photovoltaic module reflects a light source to interfere with direction discrimination of migrating birds at night is avoided.

This utility model relates to the field of circuit board technology and discloses a circuit board with a built-in heat dissipation and airflow guiding structure. The circuit board includes a circuit board body with a copper heat-conducting strip embedded inside. A heat dissipation base is connected to the front end of the circuit board body, and a guide pipe is connected to the outside of the heat dissipation base. A heat dissipation fin holder is connected to the front end of the guide pipe, and a cooling fan is mounted on the top of the heat dissipation fin holder. A connector is mounted on the left side of the circuit board body, and a CPU module is mounted on the front end of the circuit board body. This utility model, by setting up a heat dissipation and airflow guiding structure, allows heat to be transferred through the heat dissipation base to the guide pipe and heat dissipation fin holder during use. Then, by activating the cooling fan, the heat on the heat dissipation fin holder is dissipated, thus achieving the heat dissipation and airflow guiding function.

The utility model belongs to the technical field of building equipment, and particularly relates to an assembly type green building construction wall which comprises a construction wall body, and installation assemblies are arranged on the two sides of the construction wall body. The mounting assembly comprises a mounting block, and the mounting block is fixedly connected to one side of the construction wall body. According to the utility model, the mounting assembly is arranged, and the mounting block is matched with the mounting groove, so that during mounting, the mounting block of one construction wall body is aligned with the mounting groove of the other construction wall body to be inserted, and then the screw rod, the gasket and the nut are used for fixing. Compared with a complex installation structure of a traditional fabricated construction wall, the design is simpler to operate, common constructors can master the installation method through simple training, dependence on professional technicians is greatly reduced, meanwhile, installation time and labor cost are reduced, construction efficiency is improved, and the construction cost is reduced. And the modern fast-paced building construction requirements can be better met.

The utility model relates to the technical field of turnover boxes, in particular to a turnover box with a moisture-proof function, which comprises a box body, a moisture-proof mechanism for moisture removal is arranged on the inner bottom wall of the box body, the moisture-proof mechanism comprises a base, the base is fixed on the inner bottom wall of the box body, a moisture removal box is arranged at the top end of the base, and the moisture removal box is fixed on the base. The turnover box with the moisture-proof function comprises a box body, a moisture removal box is arranged in the box body, holes are formed in the moisture removal box, a supporting seat is arranged above the moisture removal box, the bottom end of the supporting seat makes contact with the top end of the moisture removal box, clamping blocks are fixed to the positions, located at the four corners, of the bottom end of the supporting seat, and clamping grooves are formed in the positions, located under the clamping blocks, of the inner bottom wall of the box body. The moisture-proof mechanism can absorb air in the box body for moisture removal, moisture removal particles are placed in the moisture removal box, it is guaranteed that goods are dry, the moisture accumulation condition is avoided, meanwhile, the supporting seat can be rapidly disassembled and assembled, and the moisture removal box can be conveniently taken out for replacement of the moisture removal particles.

The invention discloses a polymer, a preparation method thereof, a non-stick coating, a cooking utensil and a method for preparing the cooking utensil, a main chain of the polymer comprises a silicon-oxygen bond, and two end groups of the polymer respectively comprise an active group and a low surface energy group; the low surface energy group comprises a silane group; the active groups comprise at least one of-NH2,-SH,-Cl,-Br, an epoxy group, a glycidyl group and a glycidoxy group. The polymer has a Si-O main chain, and has outstanding thermal oxidation stability, excellent moisture resistance, water resistance, rust resistance, cold resistance, corrosion resistance and the like. One end of the polymer contains silane groups, so that the coating has excellent anti-sticking performance, the other end of the polymer has active groups, and the active groups can be combined with other structures such as a bottom layer and a surface layer in a chemical bond form, so that the problem of material evaporation loss when the coating is used is avoided, and the service life of the coating is prolonged. The lasting non-stick performance of the coating is facilitated.

The utility model provides a mining intelligent encapsulation and intrinsic safety type display screen, and belongs to the technical field of mining display equipment. The problems that an existing mining display screen is poor in display effect, poor in safety, poor in sealing performance and the like are solved. Comprising an image display module, an image receiving card, an image control card, an audio power amplifier board and an encapsulated and intrinsically safe power supply, the image display module is connected with an image transmission port of the image receiving card, a receiving control card data network port of the image receiving card is connected with the image control card through a network cable, and the encapsulated and intrinsically safe power supply supplies power to the image receiving card and the image control card; a power supply of the image receiving card is connected with a power supply of the image display module and is used for supplying power to the image display module, a power supply of the audio power amplifier board is connected with a power supply of the image control card and is used for supplying power to the audio power amplifier board, and an audio source of the image control card is connected with an input port of the audio power amplifier board and is used for transmitting audio data to the audio power amplifier board; the utility model is applied to coal mines.

The utility model provides a book arrangement rack which comprises a base, a pressing plate and a bolt assembly, positioning holes are correspondingly formed in the two sides of the pressing plate and the two sides of the base respectively, the number of the positioning holes in each side of the pressing plate and the number of the positioning holes in each side of the base are at least two, and nail drilling line holes are correspondingly formed between the two positioning holes in the two sides in the vertical direction respectively. A plurality of first reserved bookbinding line drill holes and first bookbinding line drill holes are formed between the two positioning holes in one side in the horizontal direction from left to right, and a plurality of second bookbinding line drill holes and second reserved bookbinding line drill holes are formed between the two positioning holes in the other side in the horizontal direction from left to right. And a plurality of bolt assemblies respectively penetrate through the positioning holes in the pressing plate and the base to connect the pressing plate with the base. The book sorting rack is heavy in weight, the phenomenon of arching of paper in the range near the drilling hole site is not prone to occurring, the repairing efficiency can be improved, and the service life of finished books can be prolonged.

The utility model discloses a mid-partition for building construction, which comprises a main body wall body and limiting channel steel, flange pieces are fixedly arranged at the top and the bottom of the main body wall body, connecting grooves matched with the flange pieces are formed in one side, close to the main body wall body, of the limiting channel steel, and a filling layer is arranged in the main body wall body. Sound insulation layers are fixedly arranged on the left side and the right side of the filling layer, a heat insulation layer is fixedly arranged on the sides, away from the filling layer, of the sound insulation layers, a damp-proof layer is fixedly arranged on the side, away from the sound insulation layers, of the heat insulation layer, and a panel layer is fixedly arranged on the side, away from the heat insulation layer, of the damp-proof layer. Through the cooperation of the internal steel reinforcement framework and the limiting channel steel, the mid-partition wall has excellent structural stability and safety, and due to the arrangement of the sound insulation layer and the heat insulation layer, the mid-partition wall has excellent sound insulation and heat insulation performance, and the requirements of different places for sound and temperature control can be met.

The utility model relates to the technical field of aluminum foil bags, in particular to a composite aluminum foil bag which comprises a rubber base and a label opening, the rubber base is fixedly connected to the bottom of an aluminum foil bag body, the label opening is fixedly connected to the front face of the aluminum foil bag body, and the composite aluminum foil bag is provided with a polyethylene layer, a polypropylene casting high-temperature cooking-resistant film and a shrink film. Through the structure, the purpose of improving the tear resistance of the aluminum foil bag is achieved, the polyethylene layer has the characteristics of being non-toxic, odorless and odorless, is suitable for being used in a low-temperature environment, can play a role in cold insulation for food, and also has the properties of moisture resistance, oxidation resistance, acid resistance, alkali resistance and the like, and the polypropylene casting high-temperature cooking-resistant film has good high-temperature resistance, and is suitable for being used in a low-temperature environment. The aluminum foil bag has the advantages that the aluminum foil bag is not easy to deform at high temperature and has excellent puncture resistance and impact resistance, and the shrink film tightly wraps a packaged object, so that the aluminum foil bag is not easy to damage due to external force, food leakage or package breakage is avoided, and food sanitation and safety are prevented from being affected.

The invention relates to an attached photoelectric health monitoring device and method based on a photoelectric detector, and the device comprises an ultrathin flexible substrate which is made of Parylene-C; the S-shaped interconnection electrode is formed on the ultrathin flexible substrate; the perovskite photoelectric detection layer with the two-dimensional Ruddlesden-Popper structure is regionally deposited on the snakelike interconnected electrode, and the general formula of the perovskite photoelectric detection layer is (PEA) 2 (MA) < n > < 1 > Pb < n > I < 3 > < n > < 1 >; the LED light source is arranged on the ultrathin flexible substrate, and the LED light source and the two-dimensional Ruddlesden-Popper structure perovskite photoelectric detection layer are located on the same plane to form a reflective detection mode; and the packaging layer covers the two-dimensional Ruddlesden-Popper structure perovskite photoelectric detection layer and the LED light source, the material of the packaging layer is Parylene-C, and the packaging layer and the ultrathin flexible substrate jointly form a symmetrical double-layer packaging structure. Compared with the prior art, the invention has the advantages of high fitness and comfort, high sensitivity, quick response, high environmental stability and mechanical durability, low power consumption, high signal-to-noise ratio, high signal quality and detection precision and the like.

The present invention discloses a seamless wall construction process based on bamboo fiber substrate board, including the following steps: construction preparation; setting of dividing lines; installation of bamboo fiber substrate board; inspection and treatment of the surface layer of the bamboo fiber substrate board on the wall; laying of seamless wall cloth. Through the above-mentioned method, the present invention discloses a seamless wall construction process based on bamboo fiber substrate board, with seamless wall cloth as the finishing layer, bamboo fiber substrate board as the base plate, and thermal insulation technology designed in the wall, to achieve a seamless composite wall with thermal insulation effect, and also has the characteristics of beauty, heat insulation, sound absorption, moisture resistance, flame retardancy, mildew resistance, environmental protection, long life, etc. This method can be directly constructed on the rough wall, and the construction period is short.

The utility model belongs to lithium battery heat preservation technical field discloses a battery heat preservation box, including box body and heating device, the box body is by upper box body and lower box body is composed, the upper box body and lower box body are through magic paste sticky buckle and are composed box body, the heating device is by heating blanket, heater is composed, the heating blanket with heating ware is connected through electric wire, the heater includes temperature controller, electric wire, wire ear, is equipped with the fuse on the electric wire. The utility model battery heat preservation box includes box body and heating device, and the box body adopts three -layer structure, has waterproof, moisture -proof, fire -retardant, the efficacy of heat preservation, is equipped with independent heating blanket in the box body to the battery and is covered and is wrapped, controls the temperature in the box body through temperature controller, ensures that the temperature in the heat preservation box meets the technical requirement. The utility model battery heat preservation box can ensure that the temperature in the heat preservation box is not less than 0 DEG C for 24 hours under the environment of -40 DEG C, can good protection battery normal use under low temperature environment.

The utility model provides a moisture-proof relay protection wiring junction box, which relates to the technical field of junction boxes, and comprises a box body, a wiring seat fixedly arranged in the box body, a plurality of threading holes arranged on the side wall of the box body, locking assemblies arranged at the threading holes, a plurality of pairs of sealing plates arranged on the inner wall of the box body in a sliding manner, and a connecting sleeve sleeved on a wire, the connecting sleeve is provided with an abutting inclined circumferential surface and an annular groove, a trapezoidal sliding disc is installed in the annular groove in a sliding mode, the outer circumferential surface of the trapezoidal sliding disc is provided with a reset inclined circumferential surface, and the connecting sleeve is provided with a rubber sealing sleeve matched with the outer circumferential surface of an electric wire. And in cooperation with the connecting sleeve, the sealing connection between the electric wire and the box body is realized.

The utility model relates to the technical field of gypsum boards, in particular to a moisture-proof gypsum board which comprises a first gypsum board, a second gypsum board is fixedly arranged on one side of the first gypsum board, clamping blocks distributed in an array mode are connected to one side of the interior of the first gypsum board in a clamped mode, and two limiting boards used for fixing the clamping blocks are connected to one sides of the clamping blocks in a clamped mode. According to the gypsum board, the limiting plates, the round rods and the gypsum side plates are utilized to reinforce the installation of the clamping blocks, so that the two gypsum boards can be stably and firmly connected by utilizing the three clamping blocks, and the two gypsum boards can be stably and firmly connected by utilizing the three clamping blocks; the gypsum board is prevented from being loosened and broken, the overall stability of the damp-proof gypsum board is improved, the gypsum board can have the damp-proof capacity through the first damp-proof board and the second damp-proof board, the ventilation effect can be achieved in cooperation with the ventilation grooves in the supporting partition plates, and the damp-proof effect of the gypsum board is improved.

The utility model discloses a kind of assembled MPP cable protection pipe with moisture-proof function, it is related to MPP cable protection pipe technical field, including first protection pipe and second protection pipe, the both ends of first protection pipe and second protection pipe are fixedly connected with flange, the one end of first protection pipe is equipped with sealing groove, the one end of second protection pipe is fixedly connected with sealing pipe, and sealing pipe and sealing groove are compatible, bolt is equipped between two flanges, the outside of first protection pipe and second protection pipe is equipped with protection mechanism. The utility model is convenient to splice first protection pipe and second protection pipe by flange, the cooperation of sealing pipe and sealing groove plays the role of sealing, avoid connecting place to enter water or water vapor, with the function of moisture-proof, by the setting of protection mechanism, effectively the protection effect of cable protection pipe is played, prolongs the service life of cable protection pipe.

The utility model discloses a novel wear-resistant waterproof wire, which comprises a wire core, an insulating layer and a copper sheath, the wire core is bound and limited by the insulating layer, and the copper sheath is coated on the outer side of the insulating layer; the insulating layer is arranged on the outer surface of the copper sheath, the heat conduction layer is arranged on the outer surface of the copper sheath, the outer side of the heat conduction layer is coated with an outer sheath, the insulating layer is made of an insulating magnesium oxide material, the heat conduction layer is made of a heat conduction silica gel material, and the outer sheath is made of polyurethane rubber. Compared with an existing welding gun wire, the outer sheath made of polyurethane rubber can prevent the problem of friction cracking in the process that the welding gun moves back and forth to drag the wire in a reciprocating mode, and meanwhile the problem of short circuit caused by the fact that cooling water immerses into the inner side of the wire is avoided.

The invention relates to modified ammonium polyphosphate as well as a preparation method and application thereof, belongs to the technical field of fire extinguishing products, and is used for solving at least one of the problems that the flame-retardant efficiency of ammonium polyphosphate prepared by the existing method is reduced, the cost is high, long-acting anti-caking cannot be realized, the solubility is poor and the like. The modified ammonium polyphosphate is prepared by coating ammonium polyphosphate with a macromolecular silane coupling agent, and after APP is coated with the macromolecular silane coupling agent, the caking rate is reduced, and the dissolving capacity is not affected. The hydrophobic chain segment in the macromolecular silane coupling agent synthesized by the invention is longer than that of monomolecular silane, so that the infiltration of small water drops on the surface of APP can be reduced, and the macromolecular silane coupling agent has a better hydrophobic effect; and a longer hydrophobic chain segment has an interference effect on the formation of a crystal bridge, so that the strength of the formed crystal bridge is reduced, and the caking of the APP powder is more easily damaged. The dissolving capacity is improved, the combination of the macromolecular silane coupling agent and the APP powder is only limited to the combination site of the macromolecular silane coupling agent and the APP powder, dispersion in the APP powder is more uniform, and the dissolving capacity is improved.

The invention discloses a house sound insulation system and a construction technology thereof, and relates to the technical field of house sound insulation. In order to solve the problem that the installation efficiency of the sound insulation structure is not high, the sound insulation structure specifically comprises a supporting structural part, and the supporting structural part comprises two connecting rods distributed in the up-down opposite positions and two or more keels arranged between the upper connecting rod and the lower connecting rod at equal intervals; the corresponding side faces of the upper connecting rod and the lower connecting rod are provided with grooves at equal intervals, wherein the number of the grooves is the same as that of the keels, and the sizes of the grooves are matched with those of the keels. One side face of the supporting structural part is connected with a sound insulation plate through a frame. The frame is composed of an upper transverse frame strip, a lower transverse frame strip, a left vertical frame strip and a right vertical frame strip, wherein the upper transverse frame strip and the lower transverse frame strip are distributed oppositely, and the left vertical frame strip and the right vertical frame strip are distributed oppositely. Each connecting assembly comprises clamping openings formed in the two ends of the corresponding transverse frame strip and clamping blocks fixedly connected to the two ends of the corresponding vertical frame strip. The operation steps are simplified, and the construction efficiency can be remarkably improved.

The utility model relates to the technical field of biological cell counting, in particular to a high-throughput cell imaging counting analysis device. The device comprises a main machine body; the main machine body comprises a supporting structure and a bright field light source cover. The top of the supporting structure is provided with a substrate formed by transparent glass and a sample carrying table arranged on the substrate in advance; the whole supporting structure and the bright field light source cover are enclosed by a plurality of shells to form a sealing structure, and a plurality of assemblies arranged in the supporting structure are sealed. All the shells are installed to form a fully-sealed structure space, a structure matching surface is sealed, and air outside the shells is isolated from air inside the shells. And the components in the supporting structure are contacted outwards to dissipate heat through the shell during operation. According to the utility model, a complete machine integrated totally-closed design is adopted, and an optical system, a movement mechanism and a control circuit board of the complete machine are completely sealed in a shell structure, so that the whole machine has moisture-proof and anti-atomization functions; the cell viability can be counted, and the device can be arranged in a carbon dioxide incubator to realize cell dynamic analysis.

The present invention discloses an adjustable assembled imitation column base structure with lights, comprising an imitation column base body, an inner lining, a base and a cover plate arranged outside the relative bottom end of a column; the inner lining comprises two arc-shaped steel plates, a plurality of adjustable bolts are distributed circumferentially on the inner lining, and bolt holes matching the adjustable bolts are preset on the surface of the column; the imitation column base body comprises two hemispherical blocks; a circle of light-transmitting glass sheets are embedded in the relative middle part of the imitation column base body, and a circle of lighting equipment is arranged on the outer side of the inner lining; the base and the cover plate are respectively arranged on the upper and lower end faces of the imitation column base body, and the inner diameters of the base and the cover plate are equivalent to the outer diameter of the column. The adjustable assembled imitation column base structure with lights provided by the present invention has the characteristics of antique and convenient installation while ensuring that it has moisture-proof, waterproof and anti-collision capabilities, and can be adjusted to be suitable for columns of different specifications, and can facilitate walking at night through lighting.

The utility model discloses an electronic wire with a good temperature-resistant effect, which belongs to the technical field of electronic wires and is technically characterized by comprising an electronic wire body, a plurality of wire cores used for signal transmission are arranged in the electronic wire body, and insulation protection of the wire cores can be realized through an arranged insulation shielding layer. According to the electronic wire, the installation positions of the wire cores can be spaced through the spacing layer, interference between the wire cores is avoided, heat conduction and heat dissipation are facilitated through the heat conduction and flame retardant mechanism, the fireproof performance of internal use of the electronic wire is improved, the temperature resistance of the electronic wire is well achieved, and the service life of the electronic wire is prolonged. According to the electronic wire provided by the invention, the rigid strength of internal support of the electronic wire is realized through the arranged pressure-resistant anti-corrosion mechanism, the electronic wire has moisture-proof performance, the internal elastic strength of the electronic wire is improved, the anti-corrosion performance and the wear resistance of the electronic wire are improved, the application applicability of the electronic wire is further improved, and the electronic wire has the advantages of good temperature-resistant and fireproof effects.

The utility model relates to the technical field of batteries, and discloses an energy storage high-voltage battery safety isolation device which comprises an expansion maintenance structure, a protection structure is arranged at the upper end of the expansion maintenance structure, and a main body is arranged in the protection structure located at the upper end of the expansion maintenance structure. A high-pressure joint and a low-pressure joint are respectively arranged at the center of the upper end surface of the main body close to two side edges; the protection structure comprises a shell, a first protection layer is arranged in the shell, a second protection layer is arranged in the first protection layer, a third protection layer is arranged in the second protection layer, and a fourth protection layer is arranged in the third protection layer. According to the utility model, the protection structure is arranged, and multiple protection layers are arranged, so that the whole body has corrosion resistance, moisture resistance, high temperature resistance and insulativity, and the internal main body is ensured not to be influenced by external environmental factors in the use process.

The utility model discloses an assembly type flame-retardant fireproof acoustic panel which comprises an acoustic panel body, the acoustic panel body comprises a base plate located in the acoustic panel body, a sound insulation cavity is formed in the base plate, reinforcing ribs are fixedly installed in the sound insulation cavity, a fireproof plate is fixedly installed on the outer surface of the base plate, and the fireproof plate is fixedly installed on the outer surface of the base plate. And a flame-retardant coating is fixedly mounted on the outer surface of the fireproof plate. According to the technical scheme, the base plate, the sound insulation cavities, the reinforcing ribs, the fireproof plate, the flame-retardant coating, the sound absorption holes and the straw plate are matched to form the fireproof and flame-retardant sound absorption plate body, the base plate is designed to be made of polyester plate materials, the polyester plate has good flame-retardant performance, and besides the sound absorption, environment protection and flame-retardant characteristics, the fireproof and flame-retardant sound absorption plate has the advantages of being good in flame-retardant performance and good in flame-retardant performance. The polyester plate also has the advantages of heat insulation, heat preservation, moisture prevention, mildew prevention and the like; and by arranging the reinforcing ribs, the structural stability and impact resistance of the acoustic panel body can be enhanced, and the overall structure of the acoustic panel body becomes more stable.

The utility model belongs to shallow round bin accessory facility technical field discloses a shallow round bin bin top manhole automatic door, installs on the manhole platform of shallow round bin bin top, including bottom frame, hinge, upper frame, window opening drive unit and thermal -insulated composite board, bottom frame and upper frame are the square frame of supporting, bottom frame horizontal installation on the top mouth of manhole platform, hinge sets up on the one end outside wall of bottom frame and upper frame, electric window opening drive unit is installed between bottom frame and upper frame and can drive upper frame along the hinge's hinge axle outward and upward overturn, thermal -insulated composite board is closed and is installed in the inside of upper frame. The utility model shallow round bin bin top manhole automatic door adopts the window opener to carry out electric opening and closes the manhole door, and saves the physical strength of operating personnel.

This utility model discloses a multi-layer shielded anti-interference connecting cable, relating to the field of connecting cable technology. It includes several wires, with a shielding mechanism arranged around the outer ring of each wire. The shielding mechanism includes a first shielding layer, a second shielding layer, a second filling layer, several reinforcing strips, a third shielding layer, and a conductive adhesive layer. The first shielding layer is disposed on the outer wall of the wires. In the technical solution provided by this utility model, the second filling layer is disposed between the second and third shielding layers, and the reinforcing strips in the second filling layer can increase the torsional resistance of the second and third shielding layers, enhancing their protection. Furthermore, by providing a conductive adhesive layer to fill the gaps or contact surfaces of the third shielding layer, the conductivity of the third shielding layer can be increased, enabling the connecting cable to have a better anti-interference effect. The conductive adhesive layer also has certain moisture-proof and protective properties, further enhancing the protective effect on the third shielding layer.