20results about How to "Prevent heat transfer" patented technology

This invention provides a gas sensor and a housing for housing the sensor element. The gas sensor includes an isolation member that effectively suppresses the temperature rise of the sealing component and ensures heat resistance. The gas sensor for monitoring a specified gas component contained in a measured gas includes: a sensor element having a monitoring portion at one end; a housing in which the sensor element is housed and fixed; and a connector disposed inside the housing for electrically connecting the sensor element to the outside. The housing includes: an outer cylinder having a main portion containing a reference gas and a sealing portion as an end portion with a reduced diameter compared to the main portion, the other end portion of the sensor element protruding towards the main portion; a rubber sealing member embedded in the sealing portion to seal the outer cylinder; and an isolation member located inside the outer cylinder between the sealing member and the connector, the isolation member having a recess on its end face that contacts the connector, and contacting the connector on its other end faces.

The utility model relates to the technical field of kits, in particular to a kit with a heat preservation function, and aims to solve the problems that the heat preservation efficiency is low, the temperature in the kit is easily and continuously reduced due to the temperature change of an external storage environment or long time for transferring a reagent, and the change of the temperature in the kit easily causes the denaturation of the reagent. On the basis, the kit with the heat preservation function is provided and comprises a kit body and a kit cover, and hot air flow can circulate in the whole device through an air separation frame; a low-pressure environment is created through the vacuum layer, air heat transfer is avoided, the interior of the kit is heated through the heating plate, the storage battery supplies power to the heating plate, the specific temperature value is adjusted through the temperature controller, a constant-temperature environment is provided, and the practicability of the kit is improved.

The invention provides a flame-retardant antistatic nylon fiber with a skin-core structure and a preparation method of the flame-retardant antistatic nylon fiber, and belongs to the technical field of nylon fibers. The flame-retardant antistatic nylon fiber comprises an antistatic nylon skin layer and a flame-retardant nylon core layer, the outer surface of the flame-retardant nylon core layer is coated with the antistatic nylon skin layer, the antistatic nylon skin layer comprises a nylon 6 matrix and an antistatic agent, and the antistatic agent is aniline modified zirconium phosphate; wherein the aniline modified zirconium phosphate is obtained by carrying out in-situ polymerization on aniline monomers between stripped zirconium phosphate layers. The flame-retardant antistatic nylon fiber is obtained through sheath-core composite melt spinning. According to the invention, the antistatic agent and the flame retardant are efficiently and stably introduced into the nylon matrix, and the synergistic effect of the antistatic agent and the flame retardant is realized, so that the fiber has better spinnability and mechanical property, and meanwhile, the long-term effect and durability of the function are ensured.

An aspect of the present invention prevents or reduces detachment of a member of a flavor inhaler from the flavor inhaler. A flavor inhaler includes a first housing and a second housing connected to the first housing. The first housing includes a first abutment surface in abutment with the second housing. A length of the second housing in a first direction parallel with the first abutment surface is shorter than a length of an outer edge of the first abutment surface of the first housing in the first direction.

The invention discloses a tree-shaped heat pipe, comprising a heat pipe shell, a capillary wick, a coolant and a plurality of tree-shaped structures; the heat pipe shell is a sealed shell, the tree-shaped structure sequentially passes through the evaporation section and the condensation section, and is attached to the inner wall of the heat pipe shell; a capillary wick and a coolant are provided in the evaporation section, the capillary wick is connected to the tree-shaped structure, and in the condensation section, except for the area occupied by the tree-shaped structure, other areas are super-liquid-repellent surface areas, and the tree-shaped structure is a super-liquid-loving surface area. The present invention uses a tree-shaped structure to coordinate super-liquid-repellent and super-liquid-loving interlaced mode, and utilizes a super-liquid-repellent surface to accelerate the cooling speed, and the super-liquid-loving surface attracts the liquid droplets condensed on the super-liquid-repellent surface, so that the tree-shaped heat pipe can realize the rapid transmission of the coolant, and effectively prevent the liquid droplets from affecting the heat exchange of the super-liquid-repellent surface. At the same time, the tree-shaped structure can reduce the flow resistance of the coolant on the super-liquid-loving surface, so that the coolant can quickly flow back to the heat pipe evaporation section, and improve the critical heat flux density of the heat pipe.

An RFID medium including: a base material, a thermosensitive color-developing layer formed on a front surface of the base material and developed a color by heat, an antenna formed on a rear surface of the base material, and an IC chip connected to the antenna, in which the antenna and the IC chip are connected to each other by a conductive material that is cured by an ultraviolet ray.

The invention discloses a power enhancement method for an air-cooled diesel engine with coordinated heat dissipation and insulation, which belongs to the field of engine technology. The specific process is as follows: step 1, based on a determined model of an air-cooled diesel engine, constructing and verifying a thermodynamic simulation model of the air-cooled diesel engine; step 2, performing heat insulation treatment near the top dead center of the engine cylinder liner by a user-defined method, and obtaining the power of the air-cooled diesel engine after heat insulation near the top dead center; step 3, performing heat dissipation treatment near the bottom dead center of the air-cooled diesel engine cylinder liner by increasing the outer diameter of the enhanced heat dissipation fin; step 4, determining the enhanced heat exchange amplification coefficient after enhanced heat dissipation near the bottom dead center of the air-cooled diesel engine cylinder liner; step 5, determining the power of the air-cooled diesel engine after enhanced heat dissipation near the bottom dead center of the cylinder liner; step 6, determining the limit of the boost pressure of the air-cooled diesel engine; step 7, determining the optimal heat insulation coating height and the optimal enhanced heat dissipation height; step 8, determining the power level of the diesel engine after the coordinated enhancement of heat dissipation and insulation.

The utility model discloses a low-temperature plate-type economizer convenient to clean, which belongs to the technical field of boiler flue gas recovery equipment and comprises a shell, a plurality of parallelly arranged cooling plates are fixedly connected in the shell, flue gas flow channels are formed among the cooling plates, scrapers are arranged at the tops of the flue gas flow channels, and two sides of each scraper abut against the outer surfaces of the cooling plates. One end of each cross rod is in threaded connection with a screw rod, and the other end of each cross rod is in sliding connection with a guide rod; mounting grooves corresponding to the guide rods and the screws are formed in the inner walls of the two sides of the end of the shell, the screws are rotationally connected into the corresponding mounting grooves, the top ends of the screws penetrate through the shell to be in transmission connection with motors, the guide rods are fixedly connected into the corresponding mounting grooves, and the cross rods penetrate through the mounting grooves to be connected with the guide rods and the screws. Dust and dirt on the two side walls of the cooling plate can be scraped off by the scraping plate moving up and down, the cleaning effect is achieved, the dust and dirt are prevented from influencing heat transfer, increasing resistance or corroding the cooling plate, and therefore the service life of the economizer is prolonged, and efficient operation of the economizer is maintained.

The utility model relates to a novel steam garment steamer double -furnace heater, its structure is by host computer shell, kettle, support rod, steam pipe nozzle, heater, water delivery pipe is formed, its characterized in that the heater is equipped with the heater and the heater two between the isolation separation, the heater and the heater lower end position equipped with A inner ear and B inner ear are connected by the heat insulation strip and are heat -insulated, the A heat insulation ring of the heater upper end pad and Y type steam nozzle equipped with A upper cover heat -insulated connection, the B heat insulation ring of the heater upper end pad and Y type steam nozzle equipped with B upper cover heat -insulated connection.

Provided are an assembled battery and a battery pack that are easy to design and assemble and that make it possible to suppress destruction of a battery case and any decrease in performance of a battery due to deformation of a battery cell while suppressing transmission of heat between battery cells when there is an abnormality. Each battery cell (2) has an electrode surface (2a) that has an electrode (3), and an outer peripheral surface (2b) that is a surface orthogonal to the electrode surface (2a). The battery cells (2) are connected in series or in parallel with the electrode (3) and a connector, etc. (not shown), interposed therebetween. The outer peripheral surfaces of the battery cells (2) are covered by a flameproof material (4), and the outer peripheral surface of the flameproof material (4) is furthermore covered by an elastic member (5), whereby an assembled battery (6) is configured. The elastic member (5) is a cylindrical body of which both ends are open, and the elastic member (5) covers the outer peripheral surfaces of the battery cells (2) and the flameproof material (4) in the circumferential direction.

The utility model relates to the technical field of air conditioning units, in particular to an anti-cold-bridge air conditioning unit which comprises a cuboid frame body, an air conditioning assembly is arranged in the frame body, a bearing bottom frame is arranged at the bottom of the frame body, the frame body is formed by splicing a plurality of aluminum profile strips, a plate is arranged between every two adjacent aluminum profile strips, and the aluminum profile strips are arranged on the bearing bottom frame. The aluminum profile strip comprises an outer frame body and an inner frame body, a connecting strip is connected between the outer frame body and the inner frame body, a reinforcing rib is connected to the inner frame body, the connecting strip is connected between the outer frame body and the inner frame body, and the connecting strip serves as an anti-cold bridge and has good impact resistance, heat resistance and low temperature resistance. The distance between the outer frame body and the inner frame body can be increased, meanwhile, heat transfer inside and outside the air conditioning box is effectively prevented, effective energy loss is reduced, and the reinforcing ribs are arranged in the inner frame body, so that the strength of the frame body is improved.

The invention relates to a grinding machine for grinding gears, comprising: a tool spindle (12) for receiving a gear tool (14); a workpiece spindle (16) for receiving a workpiece (28) to be engaged; a plurality of controlled crankshafts for carrying out a relative movement in order to machine the workpieces (28) to be engaged by means of the gear tool (14); the invention relates to a device (22) for discharging a cooling fluid (30), which device is provided for introducing the cooling fluid (30) into a chip removal region between a gear tool (14) and a workpiece (28) to be engaged during a cutting process, at least one isolation device (24, 24 ', 24' ', 24 ''', 24'' '') being provided in order to protect a support structure (26) and / or components of a grinding machine (10) from fluid flows and / or sparks.

The utility model provides a base for a battery unit and a battery pack. The base for a battery cell suppresses heat from a battery cell in which thermal runaway has occurred from being transferred through a cooling plate. Also provided is a highly safe battery pack in which heat from a battery cell in which thermal runaway has occurred is prevented from being transferred via a cooling plate. A base (3) for a battery cell is interposed between a cooling plate (1) and the battery cell (20), and the base for the battery cell is a long sheet-shaped base along the edge of the lower part of the battery cell, or a sheet-shaped base supporting the edge of the battery cell at an interval. The base for a battery cell is a product formed from one of thermally expandable graphite, vermiculite, thermally expandable microcapsules, and a thermally decomposable chemical foaming agent. Furthermore, in the battery pack (100), the plurality of battery cells (20) are placed on the battery cell base (3), and the battery cells (20) are connected in series or in parallel with each other.

This utility model relates to the field of cold storage equipment technology, specifically to a cold storage unit with an anti-frost structure. It includes a cold storage body, an anti-frost mechanism fixed to the outer wall of the body, extending into the inner wall of the body. The anti-frost mechanism comprises multiple anti-frost plates installed at a certain angle on the inner wall of the body. A spray mechanism is fixed around the outer wall of the body, extending into the inner wall and located at the top of the anti-frost mechanism. This utility model, through the cooperation of the internal components of the anti-frost mechanism, reduces condensation on the inner wall of the cold storage body and facilitates the drainage of water droplets adhering to the interior, thereby reducing frost formation. Furthermore, through the cooperation of the internal components of the spray mechanism, it increases the humidity inside the cold storage body, further reducing the probability of frost formation.

A battery cell, a battery, an electrical device, and a battery cell manufacturing method and apparatus. The battery cell (20) comprises: a first wall (21), a liquid injection hole (24) being provided in the first wall (21), an annular first groove (26) being provided around the liquid injection hole (24), the opening of the first groove (26) facing the outside of the battery cell (20); and a seal (25), the seal (25) comprising a bottom wall (252) and a side wall (251), the bottom wall (252) covering the end of the liquid injection hole (24) away from the inside of the battery cell (20), the side wall (251) being at least partially accommodated in the first groove (26), the side wall (251) being of an annular structure, and the side wall (251) of the seal (25) being frictionwelded to the bottom wall of the first groove (26) to seal the liquid injection hole (24). By providing in the first wall the first groove around the liquid injection hole, and friction-welding the seal in the first groove, welding defects are less likely to be formed, and sealing performance of the liquid injection hole in the battery cell is ensured.

The utility model relates to a fireproof soundproof thermal door and window profile, which relates to the technical field of door and window profiles, and comprises an indoor profile, an outdoor profile, an aerogel felt layer arranged between the indoor profile and the outdoor profile, and a fixing piece for fixing the indoor profile, the outdoor profile and the aerogel felt layer, the aerogel felt layer is arranged between the indoor sectional material and the outdoor sectional material, the indoor sectional material and the outdoor sectional material can be separated, heat transfer between metal is avoided, and the aerogel felt layer can effectively improve the fireproof heat insulation and sound insulation effects of the door and window sectional material.

A heat insulating member includes a heat insulating layer containing: a porous structure that has a plurality of particles connected to form a skeleton, has pores in an inside, and has a hydrophobic site on at least a surface between the surface and the inside; infrared shielding particles; and inorganic fibers, the heat insulating layer satisfying the following conditions (a) to (d). A content of each of components under the conditions (a) to (d) is calculated with a total mass of the heat insulating layer as 100% by mass. (a) A content of the inorganic fibers is 5% by mass or more and 25% by mass or less. (b) A content of the infrared shielding particles is 10% by mass or more. (c) A total content of the porous structure and the infrared shielding particles is 70% by mass or more. (d) A ratio of a content of the porous structure to the content of the infrared shielding particles is 1.2 or more.

Provided are a battery assembly and a battery pack in which the occurrence of thermal runaway can be suppressed during normal and abnormal operation by efficiently cooling battery cells while suppressing the propagation of heat between the battery cells, and which are easy to design and assemble. Each battery cell (2) has an electrode surface (2a) including an electrode (3), and an outer peripheral surface (2b) which is a surface orthogonal to the electrode surface (2a), wherein the battery cells (2) are arranged such that the outer peripheral surfaces (2b) face one another, and the battery cells (2) are connected in series or in parallel by way of the electrodes (3) and connectors or the like, which are not shown in the drawing. The outer peripheral surface of each battery cell (2) is covered by an insulating material (14), and the outer peripheral surface of each insulating material (14) is covered by a heat dissipating member (8), thereby configuring a battery assembly (40). The heat dissipating member (8) is a tubular body of which both end portions are open, for example, and a plurality of holes (14a) penetrate through the insulating material (14) in the thickness direction thereof, from the surface on the battery cell (2) side to the surface on the heat dissipating member (8) side.

The application provides a partition plate, a compressor pump body, a compressor and an air conditioner. The partition plate is arranged between two adjacent cylinders. The partition plate comprises an axial first end surface and an axial second end surface. The axial first end surface and the axial second end surface are oppositely arranged. A first heat insulation hole is arranged in the interior of the partition plate. The first heat insulation hole is located between the axial first end surface and the axial second end surface and does not contact the axial first end surface and the axial second end surface respectively. In the axial direction of the partition plate, the first heat insulation hole is opposite to a first area between a suction hole of the cylinder and an exhaust hole. According to the application, heat transfer from the high-temperature side of the cylinder to the suction side of the cylinder through the partition plate body can be inhibited, the suction temperature rise of the suction side of the cylinder is reduced, the refrigerant suction amount is increased, and the compressor performance is improved.

Provided are an assembled battery and battery pack which are easy to design and assemble, and are capable of inhibiting the occurrence of thermal runaway by inhibiting the propagation of heat between battery cells and efficiently cooling the battery cells during normal operations and abnormal operations. Battery cells (2) each have an electrode surface (2a) having an electrode (3) and an outer peripheral surface (2b), which is the surface orthogonal to the electrode surface (2a). The battery cells (2) respectively have the outer peripheral surfaces (2b) disposed so as to face each other, and are connected in series or in parallel via an electrode (3) and a connector (not shown), etc. The outer peripheral surface of the battery cell (2) is covered with a flame proof material (4) and the outer peripheral surface of the flame proof material (4) is further covered with a heat dissipating member (8), thereby forming an assembled battery (10). The heat dissipating member (8), for example, is a tubular body that is open on both ends thereof, and covers the battery cell (2) and the outer peripheral surface of the flame proof material (4).