253 results about "Air insulation" patented technology

In a traditional bearing cap, the temperature of the oil-wetted surface that defines the oil sump may experience high temperatures, which can result in oil degradation, oil varnish, and coking. Accordingly, a bearing cap is disclosed that reduces the temperatures experienced by the oil-wetted surface. In particular, the bearing cap may comprise one or more air insulation cavities, between the surface that is exposed to heated air and the oil-wetted surface that defines the oil sump, to provide a thermal barrier between the two surfaces.

The invention relates to a cold region tunnel energy-saving heat-preservation anti-freezing system and a control method, the cold region tunnel energy-saving heat-preservation anti-freezing system comprises an energy storage heating module, a temperature monitoring module, an air circulation module, a drainage anti-freezing module, a lining and an off-wall heat-preservation layer, the lining and the off-wall heat-preservation layer form an air heat-preservation cavity, and the air heat-preservation cavity communicates with the energy storage heating module; the energy storage heating module is used for generating and storing heat and providing a heat source for air in the air heat preservation cavity and the air circulation module, and the temperature monitoring module is used for collecting and analyzing the temperature of air in the air heat preservation cavity and the temperature of air in the air circulation module and the inner wall of the air heat preservation cavity. According to the embodiment of the invention, a stable heat preservation and anti-freezing effect can be provided in a negative temperature environment for a long time, the operation cost is low, safety and reliability are realized, the problems of high energy consumption, potential safety hazards and the like in the prior art are solved, the applicability is wide, and the practicability is high. And the method has good practical value and economic benefit.

The invention discloses a detection method and device of an air insulation switch cabinet, a storage medium and electronic equipment, and relates to the technical field of air insulation switch cabinet state detection. The method comprises the following steps: detecting whether characteristic gas exists in the air-insulated switch cabinet according to type information of gas in the air-insulated switch cabinet; if the characteristic gas exists in the air-insulated switch cabinet, determining that a target defect exists in the air-insulated switch cabinet, and acquiring gas concentration information in the air-insulated switch cabinet; and inputting the gas concentration information in the air-insulated switch cabinet into the target evaluation model for processing to obtain the defect type and defect degree of the target defect in the air-insulated switch cabinet. According to the invention, the problem of low accuracy of detecting whether defects such as partial discharge and partial overheating exist in the air insulation switch cabinet in the prior art is solved.

The utility model relates to an environment-friendly air-insulated ring main unit convenient for integral installation of internal lines, which comprises a box body, the box body comprises a first installation chamber, a second installation chamber, a third installation chamber, a bus chamber and an instrument panel chamber, the instrument panel chamber is provided with a plurality of groups of terminal supports, the terminal supports are provided with a plurality of through grooves, and a plurality of lines pass through the through grooves. A relay screen board is arranged on the instrument panel chamber, the intelligent control screen is installed on the relay screen board, and a circuit penetrates through the through groove and then is connected to the relay screen board. The utility model has the effect of facilitating the overall installation of the internal circuit.

The invention relates to the technical field of transformer manufacturing, in particular to an insulation heat dissipation structure of a high-voltage coil and a low-voltage coil and a coil of a dry-type transformer, the insulation heat dissipation structure comprises an insulation main body part, the insulation main body part is provided with a plurality of air channel insulation layers arranged in the radial direction, and each air channel insulation layer comprises an arc-shaped air channel distributed in the circumferential direction; an interval support is arranged between every two adjacent arc-shaped air channels, each interval support is of a thin-wall structure located in the axial plane, and the interval supports of the insulating layers of every two adjacent air channels are arranged in a staggered mode in the circumferential direction; a solid and air insulation fused composite insulation layer is formed between the high-voltage coil and the low-voltage coil, so that the insulation performance is better; and a creepage path is bent for multiple times between the high-voltage coil and the low-voltage coil, so that the creepage distance between the high-voltage coil and the low-voltage coil along the insulating surface is prolonged, the enough creepage distance determines the electrical safety of the transformer under normal work and abnormal voltage, and the operation stability of the transformer is improved.

The radio frequency coaxial cable comprises a sheath and a shielding layer wrapped on the inner surface of the sheath, the shielding layer and a cable core in the center are coaxially distributed, an insulating layer used for wrapping the cable core is contained in the cable core and the shielding layer, and through grooves distributed in the axial direction are further formed in the insulating layer. Wherein the through groove is used for forming semi-air insulation in the cable, and the through groove is also used for circulating air flow for operation cooling of the cable. According to the radio frequency coaxial cable, the related structure of the insulating layer is redesigned, on the basis of guaranteeing the supporting performance, the overall weight of the cable is effectively reduced, insulation is improved, a better cooling effect is achieved at the same time, and compared with the prior art, the radio frequency coaxial cable is more suitable for a high-load operation environment and an operation environment with higher external temperature.

The invention relates to a three-phase common box type fast grounding switch based on clean air insulation and a use method, the three-phase common box type fast grounding switch comprises a grounding shell, a moving contact, a static contact and a moving contact seat, an inner hole of the moving contact seat is in sealed sliding connection with a piston, the piston is fixedly connected with a pull rod, and one end, far away from the moving contact, of the moving contact seat is provided with a through hole in sealed sliding connection with the pull rod; the pull rod is in transmission connection with an output shaft of the spring mechanism through a transmission system; an air compression cavity is formed among the pull rod, the side wall of the moving contact seat and the piston, a blind hole penetrating to an inner hole of the moving contact is formed in the pull rod, the blind hole and the inner hole of the moving contact form an air injection cavity, and an air injection hole communicating the air compression cavity with the air injection cavity is formed in the side wall of the blind hole. The pull rod is used for driving the moving contact and the piston to move synchronously, the piston compresses the volume of the air compression cavity and increases the pressure in the air compression cavity while the moving contact is switched off, the spraying speed of clean air is increased, the arc extinguishing effect is improved, and therefore reliable arc extinguishing with the clean air as an insulating medium is achieved.

The invention relates to the technical field of forest fire prevention covers, in particular to a semi-capsule type forest fire prevention cover which comprises a cover body and a ground pressing edge, the cover body is of a semi-capsule type structure after being unfolded, the ground pressing edge is annularly arranged on the inner edge of the periphery of the cover body, and a portable inflatable framework is arranged in the cover body; a self-sufficient closed-circuit type breathing circulation system is arranged in the mask body, and a pressure relief exhaust valve of the oxygen supply assembly is connected with a skeleton gas circuit, so that redundant pressure relief gas of the oxygen supply assembly can be automatically supplemented into the inflatable skeleton, the skeleton can maintain a three-dimensional supporting shape for a long time, a good in-mask air heat insulation layer is kept, and people in the mask are effectively protected; the danger that the mask body is scalded by cloth is reduced, oxygen can be automatically generated to meet the requirement for fire prevention, reutilization of exhausted gas is increased, and waste of the gas is reduced. The overall design is simple, and the fire-proof cover can be folded and stored usually and is convenient to use.

The invention relates to the technical field of inflatable bubble bag composite film processing, in particular to a preparation process of a paper protective inflatable bubble bag composite film and a product thereof, and the preparation process comprises the following preparation steps: S1, coating waterproof and air-isolating glue on the surface of a base material, and drying to form a waterproof and air-isolating layer to obtain a waterproof and air-isolating composite film, the waterproof and air-insulation glue is prepared by mixing polyvinyl alcohol, polyurethane modified organic silicon, water-soluble chitosan, water-soluble acrylic resin, 2-ethylhexyl acrylate, a cross-linking agent, ethanol and water; s2, the kraft paper and the waterproof and air-proof composite film are pressed at the pressing temperature of 140-150 DEG C and the pressing pressure of 12-16 MPa, so that the kraft paper and the waterproof and air-proof layer are adhered to each other, and a kraft paper composite film is obtained; s3, tearing off the base material layer; and S4, the surface of the waterproof and air insulation layer is coated with heat sealing glue, drying is conducted, and the paper protective inflatable bubble bag composite film is obtained and has good waterproof and air insulation performance.

The invention relates to the technical field of high-voltage switch cabinets, in particular to an environment-friendly air-insulated high-voltage switch cabinet which comprises a cabinet body, a base is fixedly mounted on the cabinet body, a drying mechanism and a conveying mechanism are arranged on the cabinet body, and an absorption mechanism connected with the conveying mechanism is arranged on the base. The cabinet body is provided with a storage mechanism connected with the absorption mechanism, and a trigger mechanism is arranged between the absorption mechanism and the base; according to the invention, external conveying equipment is controlled to convey dry air to the inner sides of the plurality of spray pipes through the interfaces and the communicating shell, and the plurality of spray pipes spray the dry air to the space inside the cabinet body, so that air insulation work is carried out on the cabinet body.

The invention belongs to the technical field of ring main units, and discloses a ring main unit based on dry air insulation and intelligent monitoring. The ring main unit is provided with a cable chamber working bin, a numerical control monitoring mechanism and a protection mechanism, the numerical control monitoring mechanism is provided with a control chamber and a real-time monitoring assembly, the real-time monitoring assembly comprises a monitoring host and a conduction wire, and the monitoring host is used for monitoring working state parameters of a switch chamber in real time through the conduction wire; the protection mechanism is provided with a mechanism chamber and the switch chamber, and the switch chamber is filled with positive-pressure dry air and is provided with an epoxy resin composite insulator. Based on the above structure, a dual insulation system of dry air insulation and epoxy resin composite insulators is adopted, a basic monitoring architecture capable of sensing the state of a switch room in real time is constructed while environmental protection is realized to replace SF6, and the problems of environmental protection defects and state monitoring deficiency of a traditional gas insulation ring main unit are solved.

The utility model provides an earthing switch and an air-insulated switch cabinet, the earthing switch comprising: a frame; a main shaft (2) rotatably connected to the frame; a unilateral energy storage structure (3) fixed to one side of the frame, the unilateral energy storage structure (3) being used to drive the main shaft (2) to rotate; at least one contact structure, each of the contact structures comprising: a support insulator (41) fixed to the frame; a stationary contact (42) fixed to one end of the support insulator (41) away from the frame; a moving contact (43) fixed to the main shaft (2) and capable of rotating with the main shaft (2) to contact or separate from the stationary contact (42); the frame is an integrated frame (1), the integrated frame (1) being used to be installed on a column (6) of a switch cabinet.

According to the warm-keeping shoe convenient to wear, the vamp is composed of the left vamp and the right vamp, the integrity is good, durability and attractiveness are improved, the shape can be kept, and the warm-keeping shoe is attached to the foot. The elastic piece at the upper end of the front side of the vamp can adjust the size of a welt, people with different foot types can conveniently wear the shoe, the left vamp and the right vamp are separately arranged and correspond to the elastic piece in deformation, and the foot can easily enter the shoe. The interlayer cavity in the vamp can hide the elastic piece, so that the shoe is more attractive, the external influence is reduced, the elastic piece is protected, and the structural strength of the shoe is enhanced. The fluff warm-keeping layer on the inner side face of the vamp is good in heat preservation performance, forms an air heat insulation layer and is durable in heat preservation. The fluff is soft and comfortable, does not press feet, relieves fatigue, is good in air permeability, keeps the interior of the shoe dry and comfortable, and reduces peculiar smell. The design pays attention to functionality, meanwhile, the attractiveness and practicability are considered, and the shoes which are convenient to wear, warm and comfortable are provided for consumers.

The present invention provides a normal pressure sealed air insulated ring network cabinet, comprising a cabinet body, a vacuum circuit breaker unit, a disconnector, a first partition, a second partition, a box body and a circuit breaker shifting mechanism, wherein a busbar chamber, an air compartment and a cable compartment are formed inside the cabinet body, a box body is arranged in the air compartment, and the vacuum circuit breaker unit and the disconnector are both arranged in the box body; the busbar extends into the box body; the branch busbar extends into the box body and is electrically connected to the disconnector; the disconnector comprises a plurality of connecting parts, each of which is linearly arranged and spaced apart, the circuit breaker shifting mechanism is arranged at one end of the box body, and is linearly arranged along the arrangement direction of each connecting part of the disconnector, and the circuit breaker shifting mechanism is connected to the vacuum circuit breaker unit; the circuit breaker shifting mechanism drives the moving contact of the vacuum circuit breaker unit to selectively connect to the busbar, and at the same time drives the static contact of the vacuum circuit breaker unit to selectively connect to each connecting part of the disconnector.

The utility model relates to the field of chemical oxygen generation and heat insulation, in particular to an onboard chemical oxygen generator with a heat insulation structure, which comprises a starting mechanism, a starting base detachably connected with the lower end of the starting mechanism, an upper connecting piece, a lower connecting piece and a heat insulation structure, the inner circumferential surface of the top end of the inner tank body is fixed with the outer circumferential surface of the lower end of the upper connecting piece; the upper end of the outer circumferential surface of the lower connecting piece is fixed with the inner circumferential surface of the bottom end of the inner tank body; due to the fact that the outer tank body is adopted and the annular space is formed between the outer tank body and the inner tank body, the problem that the temperature of the outer surface of the inner tank body is too high due to the fact that heat is generated in the inner tank body is effectively solved, and the temperature of the outer tank body meets the standard due to the fact that the static air layer in the annular space between the inner tank body and the outer tank body is low in heat conductivity. Meanwhile, air heat insulation is adopted in the annulus, so that the overall weight is reduced, and the requirement of light-weight products is met.

The utility model belongs to the technical field of blood detection sampling devices, and particularly relates to a blood detection sampling collector which comprises a main body and two first clamping grooves, a first connecting sleeve and a second connecting sleeve are inserted into the two first clamping grooves respectively, first clamping blocks are clamped with the interiors of the first clamping grooves, and second clamping blocks are clamped with the interiors of the second clamping grooves respectively. Limiting sleeves are clamped in the two limiting frames, rectangular grooves are formed in the bottoms of the two limiting frames, compression springs are fixedly connected to the inner tops of the limiting grooves, movable semi-rings are fixedly connected to the bottoms of the compression springs, fixing rings are fixedly connected to the inner side walls of the limiting sleeves, and diaphragms are fixedly connected to the interiors of the fixing rings. By arranging the limiting frame, the compression spring, the movable semi-ring, the limiting sleeve and the diaphragm, air isolation of a needle output hole is achieved, and pollution to blood in the main body caused by long-term exposure of the needle is avoided; and by arranging a first stop block and a second stop block, the two limiting frames can be conveniently limited by the limiting block.

1. The name of the design product: infrared temperature measurement window protection cover. 2. The use of the design product: for installation on the metal shell of air-insulated electrical equipment that cannot be directly opened due to safety production operation requirements, to perform infrared scanning temperature measurement on the internal connection parts. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The utility model discloses a thermal insulation water pipe butt-joint inserting device of a nursing cold and hot compress instrument, which comprises a rear locking sleeve, a front locking ring, a butt-joint female head, an upper positioning die and a lower positioning die, and the top and the bottom of the butt-joint female head are provided with the upper positioning die and the lower positioning die which are mutually clamped. The front end of the upper positioning die and the front end of the lower positioning die are locked through a front locking ring, and the other end of the upper positioning die and the other end of the lower positioning die are connected with a rear locking sleeve in a clamped mode. The butt joint female head and the butt joint male head are connected with each other, then the butt joint female head can be wrapped by the upper positioning die and the lower positioning die which are arranged, and then the two ends of the upper positioning die and the two ends of the lower positioning die can be locked and fixed through the rear locking sleeve and the front locking ring. The two heat insulation gaskets can block the space among the upper positioning die, the lower positioning die and the butt joint female head, a layer of air heat insulation is formed, meanwhile, the overall space of the whole device is reduced, and then the silicone tube, the butt joint male head and the butt joint female head which are connected are communicated with one another.

The invention belongs to the technical field of air insulation cabinets, and discloses a box-type fixed air insulation cabinet which comprises an air insulation cabinet body. The air inlet valve pipe is fixedly communicated with the top of one side of the air insulation cabinet body; the cooling box is fixedly installed on the other side of the top of the air insulation cabinet body, and one side of the cooling box is communicated with the air insulation cabinet body through a ventilation pipe. According to the technical scheme, by arranging the cooling mechanism, the first driving assembly and the transmission belt, when hot air in the air insulation cabinet body upwards enters the ventilation pipe to be accumulated, the first driving assembly is slowly driven, so that the transmission belt is driven to drive water in the cooling mechanism to circularly flow; therefore, the hot air entering the cooling box from the vent pipe can be subjected to heat absorption and cooling treatment, and finally, the heat can be consumed through water cooling and heating interaction through circulation, so that the hot air in the air insulation cabinet body can be smoothly radiated and cooled back to the interior of the air insulation cabinet body, and the heat radiation efficiency is greatly improved.

The application discloses an air insulation structure verification method and device based on surface flashover voltage calculation, a terminal equipment and a storage medium, and belongs to the technical field of voltage testing. The method comprises the following steps: obtaining an original structure parameter set; establishing a three-dimensional model according to the original structure parameter set; performing steady-state simulation on the three-dimensional model to obtain an initial electric field distribution; correcting the initial electric field distribution according to surface roughness to obtain a first corrected electric field distribution; performing transient simulation on the three-dimensional model to obtain a surface charge density distribution; correcting the first corrected electric field distribution according to the surface charge density distribution to obtain a second corrected electric field distribution; accumulating the volume with a second corrected electric field value not less than a preset gas critical ionization field strength to obtain a critical volume; and calculating the surface flashover voltage based on the critical volume, and verifying the original insulation structure according to the surface flashover voltage. Therefore, by implementing the application, the problem of inaccurate surface flashover voltage calculation in the prior art can be solved.

This application discloses a fully dry, environmentally friendly rigid air-insulated cable terminal and its manufacturing method. It employs an integrated terminal block and a prefabricated bushing with pre-formed electrical stress components. During terminal installation, the cable is simply threaded through the base and then through the pre-formed bushing with electrical stress components, followed by wiring and sealing with the integrated terminal block. This rapid installation significantly improves efficiency. Furthermore, the pre-formed bushing with electrical stress components uses silicone rubber stress cones to divide the composite bushing into air-insulated and solid-insulated sections. This structure allows for the filling of the air-insulated section with atmospheric pressure air to create an air-insulated terminal, eliminating concerns about environmental pollution caused by insulation leakage.

1. Name of the Design Product: Isolation Spindle (Atmospheric Pressure Sealed Air Insulated Ring Main Unit Circuit Breaker). 2. Use of the Design Product: Used for closing, opening, and earthing of the interlocking isolation moving blade. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective view.

The utility model relates to the technical field of material metallurgy technology, and discloses a heat preservation casting ladle structure of an iron casting, which comprises a casting ladle cylinder body, a high-temperature-resistant lining layer is arranged on the inner wall of the casting ladle cylinder body, a first heat preservation layer is fixedly arranged on the outer wall of the high-temperature-resistant lining layer, and a second heat preservation layer is fixedly arranged on the outer wall of the first heat preservation layer. A plurality of fan-shaped vertical cylinders are fixedly installed on the outer wall of the first heat preservation layer, a second heat preservation layer is fixedly installed on the outer walls of the fan-shaped vertical cylinders, and an outer wall is fixedly installed on the outer wall of the second heat preservation layer. Through mutual cooperation of the overall structures, the function of improving the heat preservation performance of the casting ladle is achieved, so that layer-by-layer isolation and heat reflection of casting liquid can be achieved through the double heat insulation layers and the air heat insulation layer, the durability of the casting ladle is improved, and the situation that the heat of the casting liquid is dissipated to the outer side is reduced; and meanwhile, the casting ladle can be prevented from being cooled by the external environment, so that the temperature stability of the casting liquid in the transportation and waiting process is ensured, and the problem of poor heat preservation effect of a single heat preservation layer of a traditional casting ladle is solved.

The present invention discloses a test method for equivalently simulating high altitude of an air-insulated isolating switch under dry conditions, comprising the following steps: 1) changing the temperature, air pressure, voltage and load capacitance in an artificial climate chamber respectively, and conducting a breaking test of the air-insulated isolating switch for breaking a capacitive low-current circuit; 2) measuring the distance between the isolating switch contacts at the moment of arc extinguishing under various atmospheric conditions; 3) constructing a fitting formula for the change of the distance between the isolating switch contacts at the moment of arc extinguishing as a function of temperature, air pressure, voltage and load capacitance; 4) calculating a correction factor formula for voltage with respect to temperature, air pressure and load capacitance; 5) determining an equation for voltage U and an equation for load capacitance C based on the correction factor formula; and 6) obtaining the voltage and load capacitance when equivalently simulating high altitude conditions under conventional altitude. This method can equivalently simulate high altitude and has the characteristics of being time-consuming and low-cost.

The utility model discloses a novel motor casing relates to motor technical field, including the mounting hole on the base of casing body and its bottom, and the mounting hole wall is circumferentially provided with one or more outward extending heat conduction groove, and this heat conduction groove penetrates casing body outer surface and is communicated with the inside of mounting hole. The structure constructs the heat dissipation channel that reaches the outside of casing through the mounting hole area, and the heat blocking problem that the small bolt head contact area, air insulation of traditional motor casing causes is solved. When the bolt and the inner wall of mounting hole contact, heat can diffuse to the external environment along the heat conduction groove, and the local temperature rise of base mounting hole area is reduced, and then material thermal aging and bolt pre -tightening force attenuation are avoided.

The utility model relates to the technical field of high-voltage power distribution, in particular to a large-corner isolating switch structure. The isolation switch comprises a frame and an isolation switch, the isolation switch comprises an isolation main static contact, a grounding main static contact, a main shaft, a moving contact push rod and a moving contact knife arm, the isolation main static contact and the grounding main static contact are respectively fixed at the upper end and the lower end of the frame, the grounding main static contact adopts a sinking structure, and one end of the moving contact knife arm is hinged to the frame and takes the hinged position as a swing circle center. The isolation main static contact and the grounding main static contact are located within the swing range of the other end of the moving contact knife arm, the two ends of the main shaft are rotationally connected to the frame and externally connected with a driving mechanism, and the two ends of the moving contact push rod are hinged to the main shaft and the moving contact knife arm respectively. According to the utility model, the grounding contact adopts a sinking structure, so that the distance between the isolation main static contact and the grounding main static contact is increased, and the requirement of opening distance of 125 mm under an air insulation condition is met.

The invention discloses a transformer test tool with a basin-type insulator outgoing line, and particularly relates to the technical field of transformer test, the transformer test tool comprises a detection host and a detection table, a basin outgoing line structure comprises an outgoing line basin, and the outgoing line basin is installed in a corresponding outgoing line base on a to-be-tested transformer; a test detection tool is arranged on the detection host, the test detection tool is composed of a tool shell, a test sleeve and an internal plug-in type connecting conductor, and an inflation and deflation valve seat and a gas pressure gauge are arranged on the tool shell. The basin-type insulator outgoing line transformer test tool meets the requirements of the test output end of the transformer, can be used for standardized design, can be repeatedly used on products of the same voltage class, can meet the requirement of low-voltage end common box outgoing line, is not influenced by the installation time, space and connection structure of a transformer body, and can be widely applied to the field of transformer testing. Therefore, the requirement of air insulation level does not need to be considered when the high-voltage outgoing line is designed for the transformer with the basin-type insulator outgoing line, and the use cost and the time cost are reduced.

The utility model discloses a heat-preservation energy-saving aluminum-clad wood window heat-preservation structure, and belongs to the technical field of building doors and windows. The problems that a traditional window is prone to causing heat loss, energy consumption increase and water seepage are solved. A window sash is arranged in the window frame, glass is arranged in the window sash, the heat preservation layer is arranged in a gap between the window frame and the window sash, the sealing assembly is arranged on the contact edge of the window frame and the window sash, and the heat preservation layer comprises a macromolecule heat preservation foam layer, an air heat insulation layer and a reflecting layer which are sequentially arranged from inside to outside. The energy-saving and environment-friendly energy-saving window can reduce loss of indoor heat, can effectively prevent heat transfer, and has an excellent heat preservation effect. External air and moisture are effectively prevented from entering a room, and the air tightness and water tightness of doors and windows can be effectively improved. The window has excellent durability and corrosion resistance, and the service life of the window is prolonged. The window is simple in structure, attractive, practical and easy to install, the natural aesthetic feeling of wood is reserved, meanwhile, the functionality of the window is improved, and the double requirements of modern buildings for attractiveness and practicability are met.

The invention discloses a dry air inflation insulation electrical equipment insulation fault on-line detection device and method, and belongs to the field of electrical equipment insulation fault detection, the device comprises a display screen, an image signal line, an alarm signal line, a nitrogen oxide electronic concentration sensor, a gas connecting pipe and dry air inflation insulation electrical equipment; the nitric oxide electronic concentration sensor is fixedly connected with the gas connecting pipe in a sealed mode, the gas connecting pipe is fixedly connected with the dry air insulation inflation power equipment in a sealed mode, and the nitric oxide electronic concentration sensor detects the concentration of nitric oxide in the dry air insulation inflation power equipment through the gas connecting pipe. The nitric oxide electronic concentration sensor is connected with the display screen through an image signal line; and the nitric oxide electronic concentration sensor is connected with the alarm device through an alarm signal line. The method has the advantages of high safety, simplicity and convenience in operation, wide application range and the like.

The utility model discloses a high heat-resistant engine suspension structure, which relates to the technical field of automobile parts and comprises a structure main body, a heat insulation gasket and a heat insulation sleeve, a second mounting bracket is mounted at the top end of the structure main body, and a first mounting bracket is mounted on one side of the structure main body. Heat insulation gaskets are arranged above the second mounting bracket and on one side of the first mounting bracket, insertion holes are formed in the front ends and the rear ends of the heat insulation gaskets, fixing springs are mounted at the front ends and the rear ends of the first mounting bracket and the second mounting bracket, and limiting plates are mounted at one ends of the fixing springs. Through the heat insulation sleeve with the air heat insulation cavity inside, external heat is isolated from the structure body by means of low heat conductivity of air, the heat is further blocked through the heat insulation gasket made of asbestos, glass fiber and other materials, and a heat transfer path is effectively blocked.