212results about "Heat protection" patented technology

A safety helmet for a firefighter includes an outer shield having a neck opening and a front opening, a hinge located on an upper region of the front opening of the outer shield, a fire-retardant foam liner, a face shield including a sensor carrier attached to the hinge, a particulate air filter, a light emitting diode (LED) light strip, a mask mechanism configured to attach to the tapered nose opening of the transparent screen and the particulate air filter, a heads-up display (HUD) connected to an upper region of a proximal edge of the mask mechanism which faces the tapered nose opening, an oxygen port connected to the mask mechanism, a mask body connected to a distal edge of the mask mechanism, a speaker and microphone unit attached to the mask body, and a regulator nose cone.

The invention discloses a temperature on-line monitoring and early warning system for fire protection clothing, which relates to the technical field of fire protection monitoring and early warning and comprises a data collection module, a data preprocessing module, a calculation processing module and an early warning execution module. Wherein the calculation processing module comprises a dynamic temperature risk unit, a comprehensive environment risk unit and a safety prediction unit. The dynamic temperature risk unit fuses temperature, a safety threshold value, a change rate, material aging, humidity and a heat reflection attenuation coefficient, outputs a dynamic temperature risk coefficient and reflects a safety margin, and the comprehensive environment risk unit introduces gas concentration, the number of hazardous articles, smoke attenuation and an action intensity coefficient based on the dynamic temperature risk coefficient, constructs an environment coupling risk index, and finally performs the safety analysis on the environment coupling risk index. And the safety prediction unit integrates a basic safety time constant, an environment coupling risk index, a dynamic temperature risk coefficient, a heat flux density and an oxygen concentration correction coefficient, outputs a residual safety time prediction value, and guides an evacuation decision of a fireman.

A disposable protective garment is disclosed that includes a hijab with a head cover portion and a neck cover portion extending from the head cover portion. The head cover portion and the neck cover portion are made of a barrier material.

The invention provides an antibacterial breathable special protective garment, and relates to the technical field of protective garments. The antibacterial breathable special protective suit comprises a protective suit body, a conical sleeve, a sleeve, a first air hole, a rectangular hole, a warning lamp and an air blowing assembly, the conical sleeve is arranged in the protective suit body, the air blowing assembly is arranged on the inner side of the conical sleeve, the rectangular hole is formed in the air inlet side of the air blowing assembly, the sleeve is arranged on the air outlet side of the air blowing assembly and used for clamping an ice bag, and the first air hole is formed in the air outlet side of the ice bag. The warning lamp is arranged at the end of the conical sleeve, and when the temperature of the inner side of the protective clothing is higher or lower than a preset value, the first air hole and the rectangular hole are driven to be connected or disconnected with the inner side of the protective clothing, and the warning lamp and the blowing assembly are powered on or powered off. When the temperature in the protective clothing is low or higher than a preset value, the ice bag is in a heat preservation state, or the warning lamp flashes and the blowing assembly blows air to the ice bag at the same time, low-temperature air is forced to enter the protective clothing, the low-temperature air flows on the body surface, sweat evaporation is accelerated, and heat on the surface of the human body is taken away.

Protective garments are disclosed having a fabric material treated with a durable water resistant treatment. In accordance with the present disclosure, the durable water resistant treatment is substantially free of fluorocarbon chemicals and yet provides not only excellent water resistance, but also has excellent durability properties.

To provide a personal protection system capable of providing a sterile barrier between a wearer and the surrounding environment in a medical or surgical situation.SOLUTION: A personal protection system comprising a helmet having a garment attached thereto. The helmet comprises a motorized assembly, such as a fan. At least one button for adjusting the operation of the motorized assembly is attached to the face shield of the garment. The helmet comprises a detector connected to the button to monitor the state of the button. When the button is pressed, the detector sends a signal to a controller that regulates the operation of the motorized assembly. The controller then sets the operational state of the assembly based on the depression of the control button so that the assembly operates in the state desired by the wearer of the personal protection system.SELECTED DRAWING: Figure 1

The utility model discloses a portable fire-fighting fireproof cover capable of being quickly unfolded, and belongs to the technical field of emergency rescue protection equipment. According to the technical scheme, the fire-proof cover comprises a cover body, a bottom edge and a storage fixing belt, the cover body is hemispherical, the bottom edge is arranged on the lower edge of the hemispherical cover body, the storage fixing belt is arranged on the bottom edge, and the cover body is made of fire-proof materials. The portable fire-fighting fire-avoiding cover capable of being rapidly unfolded has the advantages of being rapid in unfolding, convenient to carry, fire-resistant, soft, high in strength, high in heat radiation resisting efficiency and capable of enabling fire-fighting personnel to avoid direct contact with flames in a protected space and to normally breathe in the protected space through the optimized structural design, and the portable fire-fighting fire-avoiding cover capable of being rapidly unfolded has the advantages of being simple in structure and convenient to use. The portability, the rapid unfolding performance and the fire-avoiding performance of the fire-avoiding cover are remarkably improved, and a safer and more efficient protection means is provided for fire fighters in the forest fire fighting process.

Embodiments of the present invention replace at least some flame retardant fibers (e.g., aramid fibers) in wadding traditionally used for thermal insulation liners with thermally stable polyamide fibers (e.g., nylon fibers). The TPP performance of garments incorporating thermal liner embodiments encompassed herein is comparable to garments formed with conventional thermal liners, even without being improved.

The application provides a kind of air supply device and control method for biological protection equipment, it is related to biological protection equipment technical field, air supply device includes filter module, refrigeration module, power module, shell module, air supply and connection module, back module and control module, filter module is set at the bottom end of shell module, refrigeration module is divided into first-stage refrigeration and second-stage refrigeration, and is respectively set at the end face of shell module and filter module, most parts of power module and air supply and connection module are set in shell module, back module is set at the back of shell module, control module further includes controller, control panel and sensor, and controller is set at one end of back module.The application realizes air supply dehumidification, air filtration and temperature reduction and pressure stabilization in biological protection equipment through air supply device, and further improves comfort under the premise of ensuring the safety of wearer.

The utility model discloses a posture self-locking structure of safety clothes. The posture self-locking structure comprises an insertion plate, the inserting seam is formed in the lower end of the inserting plate; the pressing opening is formed in one inner wall of the inserting seam; the pressing plate is rotationally connected to the other inner wall of the inserting seam; the connecting plate is connected to the inserting plate in a sliding manner; a switching column is arranged in the middle of the pressing plate; an inclined groove is formed in the connecting plate; and a driving inclined surface is arranged on the edge of the inclined groove. The gravity of the tool or the tool bag acts on the pressing plate to enable the pressing plate to rotate to press the waistband, so that the structure is prevented from sliding along the waistband and being separated from the waistband, the wearing comfort of the safety clothes is improved, and potential safety hazards are also reduced; when the tool or the tool bag is lifted upwards, the pressing plate automatically loosens the waistband and is convenient to take down, additional operation steps are not added, and use is easy and convenient.

The invention relates to the use of an item of protective clothing, preferably in the form of protective underclothing (protective underwear), for protecting people against an action of and / or contamination with polycyclic aromatic hydrocarbons (PAC) released from a contamination source when staying and / or working in locations in which polycyclic aromatic hydrocarbons are released or present, and / or for protecting people exposed to an action of polycyclic aromatic hydrocarbons against a contamination ("PAC contamination"), in particular to prevent or minimise contamination ("PAC contamination").

The utility model discloses an interlayer buffer structure of safety clothes, which comprises an air bag embedded in a leg strap. The hanging ring is arranged on the back part; the mounting box is arranged right below the hanging ring; the connecting pipe is communicated with the air bag; the carbon dioxide gas cylinder is detachably connected to the interior of the connecting pipe; the pressing rod is rotationally connected to the upper part of the mounting box; a pull rope is arranged between the pressing rod and the hanging ring, and the pressing rod can selectively pierce the carbon dioxide gas cylinder; and a tension spring is arranged between the pressing rod and the mounting box. The flat leg straps do not affect flexible movement of two legs, the air bags are inflated to buffer impact at the moment of falling, and the leg straps are prevented from tying and hurting the body. Manual operation is not needed, response is timely, and safety is high; when falling in various postures, inflation can be induced. The installation box is high in integration level and compact in layout, and the box belt is convenient to replace after being opened.

A protective hood in a vacuum bag including a flexible shell that is folded when stored and when unfolded is pulled through an open base of the flexible shell and over the head of a user. The hood includes a visor and an articulated device rigidly attached to the open base to be placed around the neck of the user when the flexible shell is pulled over the head of the user. The articulated device includes at least two rigid portions connected by a joint that allows these two rigid portions to transition from folded, which inhibits the head of the user from entering the hood, to unfolded, which allows the head of the user to enter the hood. The hood includes a handle rigidly attached to the top of the flexible shell to be accessible to the user when the flexible shell is folded.

The invention relates to a protective garment (1), in particular firefighter jacket, firefighter pants, firefighter vest or firefighter coveralls, consisting substantially of a multi-layer textile material (2) which has the following layers: * an outer layer (10) which faces the surroundings of the person wearing the protective garment (1) and which consists substantially of a woven fabric having hydrophobic properties and made of at least one first type of heat-resistant, tear-resistant threads of low flammability, * an inner layer (11) which faces the body of the person wearing the protective garment (1) and which consists of a textile fabric, preferably a woven fabric, * a moisture barrier (12), in particular a membrane, which is permeable to water vapor and impermeable to liquid water and which is arranged between the inner layer (11) and the outer layer (10). The aim is to achieve a particularly high level of wearing comfort, in particular in the form of low water vapor-penetration resistance, while nevertheless meeting the requirements of EN 469:2020 performance level 1. To achieve this aim, the textile fabric of the inner layer (11) has hydrophilic properties, in particular has a hydrophilic finish.

The utility model is applicable to the technical field of firefighter uniform, and provides a firefighter uniform with a cooling effect, which comprises a firefighter uniform body, the silica gel water bag is arranged on the inner side of the firefighter uniform body, and the silica gel water bag is filled with cooling water; the heat insulation pad is sewn in the firefighter uniform body, and the heat insulation pad is located on the side, away from the firefighter uniform body, of the silica gel water bag; the liquid supplementing pipe is installed on the firefighter uniform body, and the liquid supplementing pipe extends into the silica gel water bag; the two elastic binding belts are respectively arranged on two cuffs of the firefighter uniform body. According to the firefighter uniform with the cooling effect, the influence of external high temperature on the body can be effectively controlled, and therefore the protection effect is good.

The application relates to the technical field of chemical protection materials, and discloses a hydrofluoric acid protective garment and a preparation method thereof. The material of the protective garment comprises a 5-layer structure, the middle layer is a framework fabric, and modified natural rubber layers and modified EPDM (ethylene propylene diene monomer) rubber layers are sequentially arranged on the two sides of the framework fabric. The raw materials of the modified natural rubber comprise, by weight parts, natural rubber 100 parts, sulfur 3-4 parts, accelerator M 1-2 parts, accelerator DM 1-2 parts, zinc oxide 4-6 parts, stearic acid 1-2 parts, white carbon black 10-15 parts, calcium oxide 20-40 parts, chlorinated paraffin 5-15 parts, antimony trioxide 5-15 parts and antioxidant 4010NA 1-2 parts. The modified natural rubber and the modified EPDM rubber are used as main protection substances, and organic solvents are used as carriers, so that the hydrofluoric acid protective garment not only has long-acting protection capability for hydrofluoric acid, but also has the characteristics of high mechanical strength, heat aging resistance, flame resistance and low-temperature softness.

The application discloses a firefighter protective clothing with anti-permeation and warning functions, and belongs to the field of firefighter protection. The protective clothing comprises a protective cap, a shirt and trousers which are connected into one body, and further comprises a rubber strip, a reflective strip and a backpack, wherein the outer layer of the protective cap, the shirt and the trousers is a composite outer layer, the backpack is arranged on the back of the shirt, a rubber strip is fixed on the joint of the inner surface of the composite outer layer of the shirt, the trousers and the protective cap, a reflective strip is fixed on the surface of the composite outer layer of the two sleeves, the collar, the two sides of the backpack of the shirt and the protective cap and the two legs of the trousers. The rubber strip fixed on the joint of the inner surface of the composite outer layer of the shirt, the trousers and the protective cap can meet the anti-permeation requirement of the firefighter protective clothing. The structure design of the reflective strip of the firefighter protective clothing has the warning function and meets the requirement of the front-line combat.

The present invention relates to the use of activated carbon fabrics in the adsorption of compounds such as aromatic semi-volatile and aromatic volatile organic compounds (aromatic SVOCs / aromatic VO

The invention discloses a fire-fighting lining garment with a cooling structure, which comprises a water gun body, a switch handle, a pressure regulating valve, a three-way joint, a protective waistcoat, protective shorts and a cooling water pipe, the left end of the water gun body is provided with a spray head, the upper side of the water gun body is provided with the switch handle, and the water gun body is provided with an external pipeline. A pressure regulating valve used for regulating water pressure is arranged on the external pipeline, and the outlet end of the regulating valve and the three-way connector form a connecting structure through the external pipeline. The protective waistcoat and the protective shorts are each formed by sequentially stacking a surface layer, a heat insulation layer and a skin-friendly layer, the skin-friendly layer is located on the innermost side, a cooling water pipe is coiled between each heat insulation layer and the skin-friendly layer, and a connector at one end of each cooling water pipe is connected with a three-way connector.

The invention provides an isolated protective clothing material and a preparation method thereof, and belongs to the technical field of protective clothing materials. The isolation type protective clothing material comprises a rubber layer, a framework fabric layer, a polytetrafluoroethylene layer and a polyurethane layer which are sequentially stacked. The protective clothing material in the related technology selects a rubber material and a PTFE film as a functional protective layer together, in the protective clothing forming process, a bonding interface is formed by a fluorine-containing material and the rubber material and is difficult to bond, according to the composite PU layer, in the forming process, the bonding interface is formed by a PU layer and a rubber layer, the bonding problem can be solved by adopting an adhesive, and the protective clothing material can be applied to the protective clothing. Meanwhile, protection on chemical reagents such as toxic agents, methylbenzene, sulfuric acid with the mass percentage concentration of 96%, chlorine and ammonia gas can be achieved.

A garment comprising protective apparel fabric, a fastener assembly for joining a first and a second area of the protective apparel fabric, and a closing flap for covering the fastener assembly, the closing flap attached to the outer garment surface of first area of protective apparel fabric, the closing flap having a size and shape such that the covering area of the closing flap fully covers the fastener assembly when the fastener assembly is closed, the closing flap having an average bending rigidity that is at least 7.5 percent greater than the average bending rigidity of the protective apparel fabric; the color and / or visual marking or pattern of the closing flap can be different from or distinct from other parts of the garment.

Hood assemblies with disposable hoods are provided. In one implementation, a single-use, disposable hood includes a hood material sized to extend over a user's head and down to a neck / shoulder region of the user. The hood material includes a face shield opening extending through the hood material, a lower edge extending along a lower periphery of the hood material, and an air inlet hole through the hood material. The hood further includes an air inlet structure surrounding the air inlet hole, the air inlet structure having a base structure shaped as a truncated cone and a base aperture substantially aligned with the air inlet hole. The air inlet structure further includes an extension structure extending outward from the base structure, the extension structure having multiple vertical extensions arranged substantially perpendicular to the base structure and a ring structure attached to opposite ends of the vertical extensions from the base structure.

The application discloses a high-airtightness inflatable body and a breathing protection suit and a filling-storage-gas releasing protection method thereof, and relates to the field of protection suits. The protective suit is made of high-viscoelasticity, high-airtightness, inflatable and light protective fabric, the inner side of the protective face screen is attached with a layer of anti-fog coating, the protective half-face mask is made of light plastic shell, the inside of the protective half-face mask is made of thermoplastic elastomer material, which can better fit the parts of the face, and the half-face mask air suction valve and the quick-release assembly are arranged on one side of the protective half-face mask and in the inside of the mounting box, so that the poor air permeability of the protective suit is solved, the humidity and heat generated by the human body during the operation process can be accumulated in the protective suit and cannot be eliminated, the operation personnel are affected, and the problems that the back-mounted oxygen cylinder and the heavy protective suit bring certain troubles to the operation process are solved.

The present invention relates to the use of activated carbon fabrics in the adsorption of compounds such as aromatic semi-volatile and aromatic volatile organic compounds (aromatic SVOCs / aromatic VOCs) and / or polycyclic aromatic hydrocarbons (PAHs). Also described are garments including such fabrics, and a protective system comprising multiple garments.

The present invention relates to the use of protective clothing, preferably in the form of protective underwear, to protect people from exposure to and / or contamination by polycyclic aromatic hydrocarbons (PAHs) emitted from pollution sources when staying and / or working in places where PAHs are emitted or present, and / or to protect people exposed to polycyclic aromatic hydrocarbons from contamination ("PAH contamination") in places where polycyclic aromatic hydrocarbons are emitted or present, and / or to protect people exposed to polycyclic aromatic hydrocarbons from contamination ("PAH contamination"), in particular to prevent or minimize contamination ("PAH contamination").

This product improves the ease of movement and comfort of the wearer when wearing a full-face mask and protective clothing for asbestos work, thereby improving the work efficiency and safety of asbestos work. [Solution] A protective suit 10 for asbestos work, worn together with a full-face mask 20, the protective suit 10 for asbestos work has a hood 11 that covers the wearer's head, the hood 11 has a front opening 12 that exposes the wearer's face, the dimensions of the front opening 12 are 30 cm vertically and 32 cm horizontally. After putting the full-face mask 20 on the wearer's head, the hood 11 is placed over it, the peripheral edge 12a of the front opening 12 is pressed tightly against the rear peripheral edge of the full-face mask 20, and the boundary between the peripheral edge 12a of the front opening 12 and the full-face mask 20 is sealed, and work that may expose the wearer to hazardous materials is performed.

The utility model discloses a lifesaving protection and alarm device which comprises a heat insulation protection suit and protection eyeglasses, the top face of the heat insulation protection suit is connected with a totally-closed heat insulation protection mask, the top end of the totally-closed heat insulation protection mask is connected with an audible and visual alarm, and a one-piece zipper is arranged in the middle of the heat insulation protection suit. Chest SOS red and green warning lamps are symmetrically arranged on the front side of the heat insulation protective clothing, heat insulation protective gloves are arranged on the palm positions of the heat insulation protective clothing, and a back SOS red and green warning lamp is arranged on the back face of the heat insulation protective clothing; a first elastic rope is connected between the totally-closed heat-insulating protective mask and the heat-insulating protective clothing; third elastic ropes are connected between the heat-insulating protective gloves and the heat-insulating protective clothing palm, and a second elastic rope is arranged at the position of the lower hem of the heat-insulating protective clothing. The joint parts of the chemical protective clothing can be tightened, and alarm structures are distributed on the head, the chest and the back of the chemical protective clothing, so that the use state of the chemical protective clothing can be conveniently observed at the first time.

The invention relates to a cartridge (25) for capturing CO2, configured to adsorb CO2 from the breath of a user, comprising: a storage space (60) for an adsorbent product (P) capable of adsorbing CO2, the product being in particulate form, in particular soda lime, the storage space (60) comprising a bottom (63) and an opening (61) opposite the bottom; a compaction member (62) arranged on a side of the opening (61) in the storage space (60), the compaction member being movable in the storage space (60) towards the bottom and configured to compress the sorbent product in particulate form down on the bottom of the storage space (60); a spring (65) configured to exert a force on the compaction member (62), the force tending to urge the compaction member (62) toward the bottom of the storage space (60).

The present invention relates to a textile protective garment, in particular having a protective function against chemical and / or biological and / or radioactive harmful and / or toxic substances (warfare agents) ("NBC protective function or CBRN protective function"), preferably an NBC protective garment ("CBRN protective garment"), preferably for civilian or military purposes, preferably with improved and / or increased shift resistance (displacement resistance) of the textile layers of the protective garment, as well as to uses and applications thereof.