36results about How to "Realize the insulation function" patented technology

The invention discloses a wear-resistant and corrosion-resistant butterfly valve, and relates to the field of butterfly valves, the wear-resistant and corrosion-resistant butterfly valve comprises a butterfly valve and an electric controller mounted on the butterfly valve, the electric controller is used for controlling opening and closing of the butterfly valve, connecting pipelines are mounted on two sides of the butterfly valve, and the butterfly valve and the two connecting pipelines are sleeved with two heat insulation boxes. It needs to be explained that in the embodiment of the invention, through the arrangement of the heat preservation boxes and the light-transmitting plate, in the using process of the butterfly valve, the two heat preservation boxes seal and protect the butterfly valve and the electric controller as well as the connecting position of the butterfly valve and the two connecting pipelines, and the problem that the butterfly valve is corroded by being exposed to the sun and rain for a long time is avoided; meanwhile, a light-transmitting plate is installed on the heat preservation box, the interior of the heat preservation box is heated by transmitting sunlight, the heat preservation function is achieved, normal use of the butterfly valve is guaranteed, and freezing is avoided; in addition, when the sunlight intensity is high, the folding shielding cloth is unfolded to shield the light-transmitting plate, and the problem that the electric controller is damaged due to the fact that the temperature is too high is avoided.

The utility model discloses a rail brace type elastic strip which comprises an elastic strip body, a vertical supporting part is arranged at the bottom of the elastic strip body, the vertical supporting part vertically limits the rail bottom of a steel rail, an elastic strip middle limb or an elastic strip side limb is bent upwards in an inclined mode to form a transverse supporting part, and the transverse supporting part transversely supports and limits the rail waist of the steel rail. The utility model further discloses an elastic strip rail brace type fastener system which comprises an insulation coupling base plate, a bottom base plate and an under-rail pad which are arranged from bottom to top, the rail brace type elastic strip is arranged at the position, corresponding to the outer side of the steel rail, of the bottom base plate, an insulation module is arranged at the position, corresponding to the rail brace type elastic strip and the steel rail, of the bottom base plate, and a second elastic strip is arranged at the position, corresponding to the inner side of the steel rail, of the bottom base plate. The transverse limiting function of the rail waist of the steel rail is increased through the structural design of the rail brace elastic strips, and the elastic strip rail brace type fastener system which is high in transverse stability and low in installation and maintenance cost is achieved on the premise that elastic split type fastener parts are not increased.

The utility model belongs to the technical field of plasma rotating electrode powder manufacturing equipment, and relates to a vacuum dynamic sealing structure of a plasma gun for powder manufacturing, which comprises an external powder blocking module and a dynamic sealing module, the external powder blocking module consists of a first powder blocking plate, a powder blocking ring and an insulating powder blocking plate, the first powder blocking plate is fixed at the top of a plasma gun body to form an arc-shaped shielding surface, and the dynamic sealing module is fixed at the top of the plasma gun body. The powder retaining ring coaxially sleeves the positive electrode of the plasma gun body and forms an annular gap type powder blocking structure with the insulating powder retaining plate; the dynamic sealing module is sequentially provided with a dynamic sealing installation metal cylinder, an insulating cylinder and a sealing assembly from outside to inside in the radial direction of the plasma gun body, the insulating cylinder and the dynamic sealing installation metal cylinder form a step-shaped sealing structure, and vacuum sealing and electrical isolation are achieved between the dynamic sealing module and the external powder blocking module through bakelite and an O-shaped sealing ring. The vacuum dynamic sealing structure provided by the utility model has the advantages of powder isolation, reliable sealing, no burning loss short circuit and no need of vacuum grease auxiliary sealing lubrication.

The utility model discloses a water conservancy project rust-proof pipeline valve which comprises a valve body installed at the position of a water conservancy pipeline, the valve body comprises an inner cover body, an outer cover body, a valve rod, a valve element and a hand wheel, one side of the water conservancy pipeline is provided with a flow dividing opening, and one side of the flow dividing opening is communicated with a flow dividing pipe. The inner cover body is fixedly installed on the outer side of the flow dividing opening in a sleeving mode, an opening is formed in the top end of the inner cover body, the outer cover body is installed on the outer side of the inner cover body in a sleeving mode, the outer cover body and the inner cover body are slidably connected in the vertical direction, and an openable cover is installed at the top end of the outer cover body in a hinged mode. A handle is fixedly installed at the top end of the cover, the valve rod is in threaded connection with the flow dividing opening, the bottom end of the valve rod is rotationally connected with a valve element, the valve element is in sliding connection with the inner wall of the flow dividing opening, the top end of the valve rod is fixedly connected with a hand wheel, and the valve rod and the hand wheel are both arranged in a cavity defined by the inner cover body and the outer cover body in a covering mode. The valve cover can cover and protect the valve.

The utility model provides a kind of corrosion -resistant spiral steel pipe, the utility model includes spiral inner tube body and seamless outer tube body, and interlayer space is formed between spiral inner tube body and seamless outer tube body, and interlayer space is filled with heat preservation filling layer, the outer surface of spiral inner tube body and the inner surface of seamless outer tube body are equipped with corrosion -resistant coating, and the both ends of spiral inner tube body and seamless outer tube body are respectively equipped with first connecting frame and second connecting frame, the edge of first connecting frame is equipped with insert block one, the edge of second connecting frame is equipped with the slot compatible with insert block one, the edge of second connecting frame is equipped with insert block two, the edge of first connecting frame is equipped with the slot compatible with insert block two, and the opening is formed between first connecting frame and second connecting frame, and reinforcing strip is inserted in the opening.The utility model can improve environmental adaptability by double corrosion -resistant coating, optimize the sealing property of connecting structure, enhance the synergistic effect of reinforcing strip and heat preservation layer, to prolong service life and ensure operating stability.

The utility model relates to the technical field of raw material medicine temporary storage, especially to a raw material medicine temporary storage tank, including temporary storage tank body, still including heat preservation groove, water adding pipe, drain pipe, sealing upper cover, opening, hollow water distribution ring, liquid inlet pipe and liquid jet head, the utility model discloses hot water or ice water is added to the inside of heat preservation groove through water adding pipe, and the temperature of hot water or ice water is passed to its inside through temporary storage tank body, so that the temperature in temporary storage tank body keeps the environmental temperature required by raw material medicine, when not needing heat preservation, just need to open drain pipe and can discharge the hot water or ice water in heat preservation groove, and the cleaning fluid is conveyed into hollow water distribution ring through liquid inlet pipe through external water delivery device, and the cleaning fluid in hollow water distribution ring will be sprayed through a plurality of liquid jet heads, since the water outlet of liquid jet head is opposite the inner wall of temporary storage tank body, so the cleaning fluid sprayed by liquid jet head can flush the inner wall of temporary storage tank body, and realizes the function of heat preservation and continuous cleaning.

The utility model discloses a pneumoperitoneum pipe with a temperature monitoring function. The pneumoperitoneum pipe comprises a pneumoperitoneum pipe body, a heat insulation pipe and a temperature sensor. One end of the pneumoperitoneum tube body is a connecting end tube opening which is connected with an air outlet of a pneumoperitoneum machine; the other end of the pneumoperitoneum tube body is a pneumoperitoneum end tube opening which is arranged in the abdominal cavity of the human body; the thermal insulation pipe is sleeved outside the pneumoperitoneum pipe body, a thermal insulation cavity is formed by the thermal insulation pipe and the pneumoperitoneum pipe body, and the thermal insulation cavity is a closed cavity; the temperature sensor is arranged in the heat insulation cavity and is close to the pneumoperitoneum end pipe orifice; and the temperature sensor transmits the collected surface temperature of the tube body of the pneumoperitoneum tube to a temperature control system of the host of the pneumoperitoneum machine. The utility model further discloses a pneumoperitoneum temperature monitoring device of the pneumoperitoneum machine. The temperature difference between the air outlet of the abdominal machine and the port of the pneumoperitoneum tube can be reduced, the fogging phenomenon of the endoscope is reduced, and the operation risk is reduced.

The application discloses a low-temperature oil-free centrifugal compressor placed in an adiabatic environment, comprising an adiabatic cold box, a centrifugal compressor unit, connecting pipelines and a vacuum pump. The centrifugal compressor is placed in the adiabatic cold box and comprises a motor, an impeller, a volute and a bearing. The impeller and the motor at two ends of the centrifugal compressor are placed in different chambers of the adiabatic cold box. The centrifugal compressor can adopt the same rotor structure at two ends. The motor does not need to be cooled. The centrifugal compressor is provided with a motor heat preservation loop. The bearing adopts a gas bearing or a gas-magnetic hybrid bearing, and the gas bearing type is full dynamic pressure, dynamic-static pressure or full static pressure. The low-temperature oil-free centrifugal compressor placed in the adiabatic environment can greatly reduce the power consumption and cold leakage loss of the compressor. The compressor with the same structure at two sides does not need to consider the axial force. Through the measures of setting different adiabatic chambers and heat preservation loops, the compressor can operate at an import temperature of -268 to -20 DEG C. The low-temperature centrifugal compressor is purely oil-free, and the system volume and weight are greatly reduced.

The utility model discloses a forestry seedling culture box, which comprises a box body and a box door, the front end and the rear end of the box body are respectively and movably connected with the box door through hinges, supporting legs are fixedly arranged at four corners of the bottom end of the box body, a breather pipe is arranged on one side of the top end of the box body close to the box door, and the breather pipe is communicated with the upper end of the box body. A cover is arranged on the upper portion of the breather pipe, a water storage tank is fixedly installed on the side, away from the box door, of the box body through an installation base, a micro pump is fixedly installed in the water storage tank, a main water pipe is arranged at the upper end of the water storage tank and movably connected with the water outlet end of the micro pump, and a first control valve is arranged on the main water pipe. And the other end of the main water pipe penetrates through the box body, a vertical plate is installed on one side of the interior of the box body, and branch water pipes are sequentially arranged in the box body from top to bottom. The forestry seedling early-stage nursing device provides the best nursing for forestry seedlings in the early stage, and the survival rate of the seedlings is improved.

The application relates to the field of equipment transport tools, and provides a constant-temperature packaging structure for precision devices and a transfer box, which comprises a heat insulation layer, a plurality of air permeation holes are formed in the heat insulation layer, the plurality of air permeation holes penetrate through a temperature control side and an outer side of the heat insulation layer, a plurality of thermoelectric refrigerators are arranged on the temperature control side of the heat insulation layer and cover the air permeation holes, a temperature sensor is arranged on the heat insulation layer and is used for detecting the temperature of the temperature control side, the plurality of thermoelectric refrigerators and the temperature sensor are electrically connected with a temperature control device, and the temperature control side of the heat insulation layer is used for wrapping the precision devices; and the temperature control device controls the plurality of thermoelectric refrigerators to carry out refrigeration or heating through electric signals so as to reach a predetermined transfer temperature. The problems of large energy consumption and rapid temperature change caused by loading and unloading in the prior art constant-temperature container are solved.

This utility model relates to the field of food processing equipment, specifically to a multi-layer stacked baking device for seaweed crisps. It includes a movable base plate, an outer casing fixed to the top of the movable base plate, and an inner casing also fixed to the top of the movable base plate. The inner casing is located inside the outer casing, and a heat-insulating cavity is formed between the inner and outer casings. A multi-layer pull-out assembly is detachably installed inside the inner casing, and a multi-layer heating assembly is also fixed inside the inner casing. A blower assembly is fixed to the top of the outer casing, and the blower assembly is connected to the inner casing and the heat-insulating cavity. The beneficial effects of this utility model are: by setting up inner and outer casings, the heat-insulating cavity formed between the inner and outer casings can effectively reuse the heat from heating and drying the seaweed crisps, achieving a heat-insulating function and greatly reducing the heat loss rate of the inner casing, thereby achieving energy saving and consumption reduction. It has good practicality and is suitable for widespread use.

The invention discloses an air conditioner air duct material for an automobile and a preparation method of the air conditioner air duct material. The air duct material mainly comprises a first non-woven fabric layer and a second non-woven fabric layer, the second non-woven fabric layer is attached to the first non-woven fabric layer; the oxygen-enriched ion layer is attached to the second non-woven fabric layer; the third non-woven fabric layer is attached to the oxygen-enriched ion layer; the needle-punched cloth layer is attached to the third non-woven fabric layer; wherein wrinkles are arranged on the surface of one side of the second non-woven fabric layer. The inner wall smoothness can be improved, noise is reduced, and meanwhile the negative oxygen ions and the purification function are provided.

The utility model relates to the technical field of wall building materials, in particular to a cement foaming masonry board which comprises a shell, waterproof coatings are arranged on the top and the bottom of the shell respectively, and a protruding block and a groove are arranged on the two sides of the shell respectively. First glass fiber gridding cloth, a first foaming cement board, a partition board, a second foaming cement board and second glass fiber gridding cloth are sequentially arranged in the shell, a first reinforcing framework and a second reinforcing framework are arranged in the first foaming cement board and the second foaming cement board respectively, and first concave-convex structures are arranged on the two board faces of the partition board respectively. Second concave-convex structures are arranged on the corresponding board faces of the first foaming cement board and the second foaming cement board respectively, the second concave-convex structures and the first concave-convex structures are of groove structures which are clamped, and through the arrangement of the convex blocks and the grooves, the cement masonry boards are attached more tightly, and the cement masonry boards are more attractive in appearance. By arranging the first foaming cement board, the partition board and the second foaming cement board, the functions of sound insulation and heat preservation of the cement masonry board are achieved.

The utility model discloses a sealing device for processing a glass fiber reinforced plastic septic tank, which relates to the technical field of environmental protection equipment, and comprises a tank body, the top end of the tank body is fixedly connected with three groups of cleaning openings, and the sealing device for processing the glass fiber reinforced plastic septic tank is provided with an inner cover, a sealing ring and a connecting block. Due to the fact that the first expansion rubber ring and the second expansion rubber ring can expand when encountering water due to the material characteristics of the first expansion rubber ring and the second expansion rubber ring, if the water level in the pool body rises into the cleaning opening, the first expansion rubber ring and the second expansion rubber ring extrude each other after being expanded when encountering water and are tighter, and gas or liquid is prevented from overflowing upwards. Meanwhile, leakage can be prevented through preliminary isolation of the inner cover, after the inner cover is installed downwards, the top cover is directly inserted downwards into the top end of the inner cover, the sealing ring surrounds the periphery of the inner cover for further sealing and preventing overflow, at the moment, the top cover and the cleaning opening are fixed, secondary isolation is conducted, leakage is prevented, and the problem that the sealing performance of the device cannot be enhanced is solved.

The utility model provides a thermal insulation device for an optical fiber gyroscope, which comprises a mounting base, an optical fiber gyroscope arranged on the mounting base and a double-layer shell structure arranged on the mounting base on the outer side of the optical fiber gyroscope, and the double-layer shell structure comprises an outer shell and an inner shell arranged in the outer shell; wherein the inner shell comprises a fixed inner shell of which one end is provided with an opening, and a movable inner shell which is connected to the fixed inner shell in a sliding manner and is used for opening and closing the opening; a ventilation fan and a temperature sensor are installed in the fixed inner shell, at least one air circulation piece is installed on each of the fixed inner shell and the movable inner shell, and at least one pair of ventilation holes is formed in the side wall of the outer shell. According to the heat preservation device, on the inner shell structure, a selective air circulation structure is achieved through sliding connection of the fixed inner shell and the movable inner shell, so that the heat preservation device is suitable for temperature regulation and control within different temperature difference ranges, and the temperature regulation mode is more flexible.

This disclosure pertains to the technical field of fastener production equipment, and specifically relates to a grease cleaning device after fastener processing. The device includes a housing with a corresponding bottom shell. A cleaning tank is housed inside the housing, with a space between the cleaning tank and the housing. An ultrasonic generator is mounted on the outer wall of the cleaning tank. An electromagnetic heater is located on the outer bottom of the cleaning tank. Multiple temperature sensors are vertically and evenly arranged on the inner wall of the cleaning tank. A temperature controller is connected to the temperature sensors and the heating device. A display screen for operation is fixedly mounted on the front of the housing and connected to the temperature controller via a wired interface. Compared to existing technologies, this disclosure improves cleaning efficiency by precisely controlling the temperature to match the cleaning fluid.

The utility model provides a heat preservation structure which comprises a heat preservation assembly, the heat preservation assembly comprises a heat preservation layer, a first heat preservation layer arranged close to a battery pack box body and a second heat preservation layer arranged away from the battery pack box body in the thickness direction of the heat preservation structure, the corresponding compression strength of the first heat preservation layer under the same deformation quantity is smaller than the corresponding compression strength of the second heat preservation layer under the same deformation quantity. According to the heat preservation structure, the heat preservation function is achieved through the first heat preservation layer, energy of external impact is absorbed through the second heat preservation layer with high compression stress, and the mechanical protection effect on the battery pack is achieved.

The utility model relates to the technical field of batteries, in particular to a battery pack which comprises a battery box body, cylindrical batteries and an insulating plate, the battery box body comprises a bottom plate; the cylindrical battery is arranged in the battery box, the axial direction of the cylindrical battery is parallel to the first direction of the bottom plate, the cylindrical battery is provided with a side surface and two end surfaces, the two end surfaces are arranged in the first direction at intervals, the side surface is connected between the two end surfaces, and the end surfaces are connected with the side surface in a welded mode so that a welding mark can be formed in the connecting area of the end surfaces and the side surface. An insulating layer is arranged on the side surface and does not completely cover the welding marks; the insulating plate is arranged between the cylindrical battery and the bottom plate, at least one edge of the insulating plate in the first direction exceeds the cylindrical battery, and on a reference plane parallel to the bottom plate, the orthographic projection pattern of the welding mark is located in the range of the orthographic projection pattern of the insulating plate; in the first direction, the distance between the edge, close to the welding mark, of the insulating plate and the welding mark is 1-25 mm.

The utility model discloses a portable liquid nitrogen tank which comprises a round base, a base is arranged in the round base, an outer tank body is arranged at the center of the top end of the base, an inner tank body is arranged in the outer tank body, a supporting seat is arranged at the center of the bottom end of the inner tank body, and the bottom end of the supporting seat is fixedly connected with the bottom of the outer tank body. The outer wall of the outer tank body is filled with aerogel, the outer wall of the aerogel is connected with the inner wall of the outer tank body, a tank cover is installed at the top end of the outer tank body, a first magnetic attraction block is arranged at the edge position of the bottom end of the tank cover, a second magnetic attraction block is arranged on the outer wall of the upper end of the inner tank body, and the top end of the second magnetic attraction block is attracted to the bottom end of the first magnetic attraction block. According to the liquid nitrogen container, the long-time heat preservation function of the liquid nitrogen container is achieved, it is guaranteed that liquid nitrogen stored in the inner container body is in a low-temperature state all the time, the convenience of the liquid nitrogen container in the using process is improved, the labor intensity of workers is reduced, and the purpose that the liquid nitrogen container is convenient to carry and transfer is achieved.

The invention discloses a high-temperature heat storage tank with both heat preservation and heating functions and a working method thereof, belonging to the technical field of thermal energy storage, wherein the high-temperature heat storage tank comprises a storage tank, and the storage tank comprises a storage tank shell, a side wall air inlet, a side wall air outlet, an internal air inlet and an internal air outlet; the storage tank shell comprises a shell top, a shell middle and a shell bottom which are fixedly connected in sequence; the shell middle comprises an inner liner, an air interlayer, a partition plate, heat insulation cotton and a protective shell which are arranged in sequence; the inner liner and the partition plate are connected through a plurality of beams and spoiler columns, and the gaps therebetween form an air interlayer; the beams are distributed at intervals between the stainless steel inner liner and the partition plate in the middle of the storage tank shell, and the air interlayer is divided into an S-shaped flow channel; the side wall air inlet and the side wall air outlet are both connected to the air interlayer; the internal air inlet and the internal air outlet are connected to the inner cavity of the storage tank, so as to realize the preheating of the high-temperature heat storage tank before use and the heat preservation and heating functions during operation.

The utility model provides a hydraulic oil temperature control system for an arm support type aerial work platform, which comprises a hydraulic oil tank, a hydraulic oil conveying assembly, an arm support working hydraulic system, a platform valve and a controller ECU (electronic control unit), and an electromagnetic proportional overflow valve is mounted on an oil way between a load-sensitive pump and a main control valve group; the platform reversing valve is a three-position five-way electromagnetic valve, and a load-sensitive oil port LS3 of the platform reversing valve is connected with a load-sensitive oil port LS2 of the main control valve group; a temperature sensor is installed in the hydraulic oil tank and connected with the controller ECU through a signal wire harness. The hydraulic oil tank has the beneficial effects that small-pressure and large-flow overflow is realized by utilizing variable characteristics of the load-sensitive pump and liquid resistance formed by the overflow valve, so that the temperature of oil in the hydraulic oil tank is quickly increased, a hydraulic oil heating device is not additionally arranged independently, and the quality of hydraulic oil is not influenced; the problem that the hydraulic oil can be quickly preheated by the aerial work platform in low-temperature or extremely cold weather without increasing energy consumption and cost is solved.

The invention relates to a fumigating warehouse door sealing structure for removing harm of entry logs, which comprises a fumigating pool body, a fumigating pool roof and a fumigating pool bevel edge integral upturning door, and is characterized in that the fumigating pool body comprises a fumigating pool bevel edge; the beveled edge integral upturning door of the fumigation pool comprises an upturning door electric push rod hinge, an upturning door torque ball bearing hinge, a universal joint bearing and an electric-hydraulic push rod; an angle sensor is arranged at the hinge position of the upturning door torque ball bearing, and an extrusion rubber profile is arranged at the front end of the fumigation pool bevel edge integral upturning door. The rubber strip deforms through the pressure of the electric-hydraulic push rod on the two sides of the door so that the fumigation chamber door can be sealed, and the heat preservation function of the fumigation chamber door is achieved through an air interlayer formed by a double-layer film material externally applied to the bevel edge overall upturning door of the fumigation pool. According to the torque ball bearing hinge for the upturning door, force transmission among mechanical components of the fumigation room door is more stable, abrasion and damage among the mechanical components can be reduced, and meanwhile the connecting effect among the mechanical components can be improved.

The invention discloses a common-inductance laser image fusion distance sensing device which comprises a shell, a COMS sensor, a mainboard, an image receiving lens module, a laser receiving lens module and a laser transmitter are arranged on the inner walls of the two sides of the shell, a reflecting mirror and a semi-reflecting and semi-transmitting mirror are arranged in the middle of the interior of the shell, and a communication power supply interface is formed in the side end of the shell. An upper cover is arranged on the shell. The reflecting mirror and the semi-reflecting and semi-transmitting mirror are located between the mainboard and the laser receiving lens module and between the mainboard and the image receiving lens module respectively, the laser receiving lens module and the image receiving lens module share one COMS sensor through a special light path structure, the dynamic object visual positioning function is achieved, and the visual positioning precision of the laser receiving lens module and the image receiving lens module is improved. Moreover, the laser and the image receiving lens module are combined and are calibrated after leaving a factory, and the relative position relation between the laser and the image sensor does not need to be calibrated in subsequent installation, so that the installation is more convenient.

The utility model discloses a reinforced PVC pipe which comprises a PVC pipe body, an antibacterial layer is arranged on the inner wall of the PVC pipe body, a partition groove is formed in the PVC pipe body, a partition plate is inserted in the partition groove, inner filling glue is filled in the partition groove, a metal net is installed in the PVC pipe body, a rubber outer ring is installed outside the PVC pipe body, and the inner wall of the PVC pipe body is provided with an anti-bacterial layer. The rear end of the PVC pipe body is connected with a connecting pipe, and an outer protective sleeve is installed outside the PVC pipe body. The pipe body reinforcing structure is arranged, the flexibility of the PVC pipe body can be improved through the metal net arranged in the PVC pipe body, the shock resistance of the PVC pipe body can be improved through the partition grooves formed in the PVC pipe body and the partition plates arranged in the partition grooves, and the impact resistance and the deformation resistance of the PVC pipe body can be improved through the inner filling glue filled in the partition grooves; and the antibacterial layer is arranged in the PVC pipe body, so that the antibacterial capacity of the PVC pipe body is improved, and the pipe body reinforcing function is achieved.

The invention relates to the technical field of building construction, and discloses a floor structure and a building component, comprising: a main support embedded with an external thermal insulation layer; the first side of the main support in the first direction is covered with a sound insulation layer, and the second side is covered with a waterproof layer. The bearing plate covers one side, deviating from the main support, of the sound insulation layer; the vapor barrier layer covers one side, deviating from the main support, of the bearing plate; the inner thermal insulation layer covers one side, deviating from the supporting plate, of the vapor barrier layer; the outer heat preservation layer is provided with a plurality of heat preservation units which abut against and are embedded between the main supports, and a continuous heat preservation area layer is formed. According to the floor structure and the building assembly, the outer heat preservation layer is embedded between the main supports, the heat preservation layer is divided into the multiple heat preservation units which are tightly connected in the abutting and attaching mode, a continuous and complete heat preservation domain layer is formed, the overall heat preservation performance of the floor structure is effectively improved, the heat preservation performance of the floor structure is enhanced through embedded arrangement, and the heat preservation effect is good. And heat is difficult to dissipate through gaps between the keels, so that the overall heat efficiency is improved.

The utility model discloses a PE bag structure with a heat preservation function, and relates to the field of packaging bags. The PE bag structure with the heat preservation function comprises a PE bag body, a hollow interlayer is arranged on the inner wall of the PE bag body, the hollow interlayer is divided into a plurality of grid spaces through heat insulation melting sealing edges, and connecting grooves are used for communicating the grid spaces. According to the PE bag structure with the heat preservation function, food or food materials are placed in the PE bag body and then packaged through the self-sealing zippers on the two sides of the inner top of the PE bag body, at the moment, the wrapping edge is folded towards the opposite side, the self-adhesion sealing strip is made to be attached to the outer wall of the other side of the PE bag body, the top is sealed, at the moment, the circular adhesive tape is torn off, and then the food or the food materials are packaged through the self-sealing zippers on the two sides of the inner top of the PE bag body. Cold and warm liquid is poured into the pouring hole, then the circular adhesive tape is adhered to the outer wall of the pouring hole, so that cold and warm heat preservation is carried out on internal food or food materials, and the food is directly discarded after being used, is convenient to use and does not need to be recycled.

This invention discloses a multi-layer composite sound insulation cotton for drain pipes. It comprises, from the outside in, a release paper layer, a first butyl rubber layer, an IXPE foam layer, a second butyl vibration damping layer, and a non-woven protective layer, stacked sequentially. The first butyl rubber layer is made of modified butyl rubber; the IXPE foam layer is made of cross-linked polyethylene foam with an independent closed-cell structure; and the second butyl vibration damping layer is made of high-damping butyl rubber. The sound insulation cotton of this invention achieves low-temperature continuous bonding and initial vibration damping and waterproofing through the first butyl rubber layer; it achieves sound absorption, sound insulation, and heat preservation through the IXPE foam layer; it forms a constrained damping structure with the second butyl vibration damping layer, the first butyl rubber layer, and the IXPE foam layer to suppress pipe vibration and block sound bridge transmission; and it forms a double waterproof structure with the non-woven protective layer and the first butyl rubber layer to prevent external water vapor penetration. It integrates multiple functions such as bonding, vibration damping, sound absorption, sound insulation, heat preservation, waterproofing, and protection.

The present invention discloses a thermal management system for an electric industrial vehicle and a control method thereof, which comprises a first circuit and a second circuit for thermal management of a power system and a power battery system respectively, wherein a first heat exchange tank and a second heat exchange tank are connected via a coupling device, and a temperature sensor is connected to the first circuit and the second circuit; the thermal management system further comprises a control device, and the control device is electrically connected to the first circuit, the second circuit and the coupling device respectively. The thermal management system can effectively control the temperature of the power system and the power battery system at the same time, and can use the waste heat of the power system to keep the power battery system warm, reduce the energy consumption of the thermal management system, improve the efficiency of the thermal management system, reduce the cost and improve the reliability.

The invention discloses an embedded water tank for a vehicle. The embedded water tank comprises a tank body, a heat pipe, a housing and the like. The box body is provided with a water inlet, a water outlet and a containing cavity. The heat pipe is arranged in the containing cavity to transfer heat and prevent freezing. And a gap between the housing and the box body is filled with a thermal insulation material. The containing cavity is U-shaped, and the port of the heat pipe is exposed to facilitate connection. The fixing strips and related mounting holes ensure stable mounting, and mounting lugs at the ends of the fixing strips enrich mounting modes. The box body is provided with an access hole and a water level sensor, an upper boss is provided with an access and water inlet, a lower concave part corresponds to the convex part of the housing, and the upper edge of the housing is provided with a fourth mounting hole. The water tank achieves efficient anti-freezing and heat preservation through cooperation of the heat passing pipe and the heat preservation material.

The application relates to the field of high-voltage switch devices of power systems, and discloses a through-wall connecting piece of a new material, a side-out bus sleeve assembly comprising a bus sleeve and a center insert fixed in a center hole, a plurality of interval distributed umbrella skirts extending on the outer circumferential surface of the bus sleeve in the axial direction of the bus sleeve, a first flange and a second flange fixedly connected outside the connecting end of the bus sleeve, and the bus sleeve, the umbrella skirts, the first flange and the second flange being integrally cast by thermoplastic engineering plastics. In the production process of the device, the bus sleeve, the umbrella skirts, the first flange and the second flange, the inserted connecting insert and the center insert are integrally cast by thermoplastic engineering plastics, the thermoplastic engineering plastics is used to replace epoxy resin, the insulation function of the product is realized, the recycling problem is solved, and the stability and the service life of the device can be improved through the integrated casting and the setting of the annular clamping groove of the center insert and the annular clamping protrusion of the center hole.