Urban fire self-rescue device

By designing an urban fire self-rescue device with a lightweight oxygen cylinder and an early warning system, the problem of existing self-rescuers being unable to effectively filter toxic gases and insufficient oxygen is solved, rapid oxygen support and heat insulation protection are provided, and the fire survival rate and rescue efficiency are improved.

CN223439044UActive Publication Date: 2025-10-17HEILONGJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
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Patent Information

Application Number
CN202421891774.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-06
Publication Date
2025-10-17
Estimated Expiration
2034-08-06

AI Technical Summary

Technical Problem

Existing urban fire self-rescue devices cannot effectively filter various toxic and harmful gases, and the oxygen concentration is low, resulting in the loss of their due effect in a fire. At the same time, existing oxygen supply equipment is heavy and inconvenient to carry, making it difficult to popularize in households.

Method used

An urban fire self-rescue device was designed, which includes a thermal insulation protective part, an oxygen supply mask, an isolated oxygen supply part and an oxygen cylinder. The fiber-wrapped oxygen cylinder is used to reduce weight and increase gas carrying capacity, and is combined with an early warning system to provide rapid breathing support and thermal insulation protection.

Benefits of technology

It can quickly provide oxygen support and heat insulation protection in fire, reduce injuries, increase the chance of survival, and improve rescue efficiency through the early warning system. It has a simple structure and strong practicality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of fire-fighting emergency equipment, in particular to an urban fire self-rescue device. The device comprises a heat insulation protection part, an oxygen supply mask, an isolated oxygen supply part and an oxygen bottle. The heat insulation protection part comprises a folded body part, a neckline is arranged at the folded position of the body part, heat insulation long sleeves are arranged on the two sides of the folded position, and a heat insulation pocket is further arranged on the body part. The isolated oxygen supply part is installed on the mask body, and isolated oxygen supply is achieved. The oxygen bottle is placed in the heat insulation pocket and comprises an inner container and a fiber wrapping part wrapping the outer side of the inner container, the inner container is communicated with the other end of the oxygen supply pipe, and a switch is arranged at an air outlet of the oxygen bottle. According to the oxygen bottle, the structure that the inner container is wrapped by the fiber wrapping part is adopted, the gas bearing capacity of the inner container is increased, the thickness of the inner container is reduced, the dead weight of the oxygen bottle is reduced, meanwhile, the oxygen bottle has the advantages of being resistant to corrosion and light, the oxygen bottle can be combined with the heat insulation protection part, and meanwhile breathing support and heat insulation protection are provided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to fire emergency equipment technical field especially, it relates to a city fire self-help device. BACKGROUND

[0002] According to the statistics of the emergency management department, from 2012 to 2021, a total of 132.4 million residential fires occurred in the country, causing 11634 people to die, 6738 people to be injured, and direct property losses of 777 million yuan.From the regional distribution, 50.5% in urban areas, of which 33.1% in urban areas, 17.4% in county towns;47.9% in rural areas, of which 14.8% in townships, 33.1% in rural areas;1.5% in other areas.The occurrence of urban fires accounts for more than half of residential fires.With the rapid development of social economy, more and more bungalows and low-rise buildings have become high-rise buildings, and more and more high-rise buildings have appeared in cities, which have the characteristics of population density and building diversification.Once a fire occurs, the complexity of high-rise buildings will increase the difficulty of rescue.

[0003] Currently, the main causes of death in urban fires are lack of oxygen, inhaling a large amount of high-temperature gas, inhaling toxic and harmful gases, and burning.The city fire self-rescuer, as a protective equipment for personnel, can provide sufficient oxygen supply for breathing within a certain time, ensuring the safety of personnel, and is an effective equipment for urban fire escape.

[0004] Currently, the city fire self-rescuer is mainly a filter type self-rescue respirator, which is a respirator used by personnel to escape in case of fire by removing carbon monoxide, smoke and other harmful gases through adsorption, absorption, catalysis and direct filtration.The external air enters the filter type fire self-rescue respirator, and the filter device removes carbon monoxide, smoke and other harmful gases by adsorption, absorption, catalysis and direct filtration, facilitating personnel to escape in case of fire.However, in actual application, there is still a part of toxic and harmful gases in the filtered gas, which cannot filter various toxic and harmful gases;In the fire, due to the increase of burning and toxic and harmful gas concentration, the oxygen concentration is low, which makes the filter type respirator lose its due effect. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a city fire self-rescuer with simple structure and convenient use, which can provide breathing support and heat protection at the same time.

[0006] In order to achieve the above purpose, the utility model provides a city fire self-rescuer, which comprises:

[0007] The heat protection part comprises a body part arranged in a fold, a collar is arranged at the fold of the body part, heat-resistant long sleeves are arranged on both sides of the fold, and heat-resistant pockets are further arranged on the body part.

[0008] The oxygen supply mask comprises a mask body and a hanging belt connected with the mask body.

[0009] The oxygen supply part is installed in the mask body, and the oxygen supply part comprises an oxygen supply part body, a nose clip arranged on the oxygen supply part body, and a mouthpiece connected with one end of the oxygen supply pipe and the exhaust pipe, respectively.

[0010] The oxygen cylinder is placed in the heat insulation pocket, and the oxygen cylinder comprises an inner container and a fiber wrapping part wrapped outside the inner container, the inner container is in communication with the other end of the oxygen supply pipe, and the gas outlet of the oxygen cylinder is provided with a switch.

[0011] Optionally, the fiber wrapping part comprises a carbon fiber layer, the carbon fiber layer comprises a first carbon fiber layer and a second carbon fiber layer, the first carbon fiber layer and the second carbon fiber layer are arranged alternately along the thickness direction, and the fiber direction of the first carbon fiber layer and the fiber direction of the second carbon fiber layer are different.

[0012] Optionally, the fiber direction of the first carbon fiber layer and the fiber direction of the second carbon fiber layer are 90°.

[0013] Optionally, the fiber wrapping part further comprises a glass fiber layer, the glass fiber layer is attached to the side of the carbon fiber layer away from the inner container.

[0014] Optionally, the mask body is arched, an opening is arranged at the vault part of the mask body, and the oxygen supply part body is embedded in the opening.

[0015] Optionally, a pressure reducing valve is arranged between the switch and the gas outlet of the oxygen cylinder.

[0016] Optionally, a gas supplementing pressure plate is arranged on the oxygen supply pipe.

[0017] Optionally, a gas pressure gauge is arranged on the oxygen supply pipe.

[0018] Optionally, a gas supplementing pressure plate and a gas pressure gauge are arranged on the oxygen supply pipe.

[0019] Optionally, the collar is an elastic collar, and the heat insulation long sleeve is an elastic sleeve.

[0020] Optionally, a heat insulation cap integrated with the body part is further arranged at the collar.

[0021] Optionally, the collar is an elastic collar, the heat insulation long sleeve is an elastic sleeve, and a heat insulation cap integrated with the body part is further arranged at the collar.

[0022] Optionally, the urban fire self-rescue device further comprises a warning system, the warning system comprising a temperature sensor, a smoke sensor, a data transmission module, a processor, a data sending module and an alarm module arranged outside the mask body, the temperature sensor and the smoke sensor being signal connected with the data transmission module, the data transmission module being signal connected with the processor, and the data sending module and the alarm module being signal connected with the processor;

[0023] The mask body is further provided with a battery slot for installing a battery for supplying power to the warning system.

[0024] Optionally, the temperature sensor and the smoke sensor are installed on the data transmission module, and the data transmission module, the data sending module and the alarm module are installed on the processor.

[0025] The above technical scheme of the urban fire self-rescue device has the following advantages:

[0026] The urban fire self-rescue device comprises a heat insulation protection part, an oxygen supply mask, an isolation type oxygen supply part and an oxygen cylinder. The heat insulation protection part comprises a body part arranged in a folded manner, a collar is arranged at the folded part of the body part, heat insulation long sleeves are arranged on both sides of the folded part, and a heat insulation pocket is further arranged on the body part. The isolation type oxygen supply part is installed on the mask body, and comprises a supply part body, a nose clip arranged on the supply part body and a mouthpiece. The mouthpiece is connected with one end of an oxygen supply pipe and an exhaust pipe, respectively, and a one-way valve is arranged on the exhaust pipe and the oxygen supply pipe. The oxygen cylinder is placed in the heat insulation pocket, and comprises an inner container and a fiber wrapping part wrapped outside the inner container. The inner container is in communication with the other end of the oxygen supply pipe, and a switch is arranged on the gas outlet of the oxygen cylinder. The oxygen cylinder is wrapped with the fiber wrapping part, which increases the gas bearing capacity of the inner container, thereby reducing the thickness of the inner container and the self-weight of the oxygen cylinder, and more oxygen can be stored. The oxygen cylinder has the characteristics of corrosion resistance and light weight, and can be combined with the heat insulation protection part to obtain an urban fire self-rescue device capable of providing breathing support and heat insulation protection. In the event of a fire, the heat insulation protection part can be quickly and conveniently put on, the oxygen supply mask can be pulled out, the nose clip and the mouthpiece can be worn, and oxygen supply can be realized, thereby reducing harm and improving survival probability. The device has a simple overall structure and high practicability.

[0027] The urban fire self-rescue device further comprises a warning system, so that the residents in the fire site can discover the fire in the first time, and the fire rescue center can send help in the first time, thereby further reducing personal injury and property damage. BRIEF DESCRIPTION OF DRAWINGS

[0028] The drawings of the utility model are provided for illustrative purposes only, and the proportions and quantities of the components in the drawings may not be consistent with those of the actual product.

[0029] Figure 1It is a structure schematic view of a city fire self-rescue device in the embodiment of the utility model;

[0030] Figure 2 It is a structure schematic view of an oxygen supply mask in the embodiment of the utility model;

[0031] Figure 3 It is a structure schematic view of an isolated oxygen supply part in the embodiment of the utility model;

[0032] Figure 4 It is a partial sectional view schematic diagram of an oxygen cylinder in the embodiment of the utility model;

[0033] Figure 5 It is a structure schematic view of another city fire self-rescue device in the embodiment of the utility model.

[0034] In the drawing:

[0035] 1: Heat insulation protection part;

[0036] 11: Body part;

[0037] 12: Collar;

[0038] 13: Heat insulation long sleeve;

[0039] 14: Heat insulation pocket;

[0040] 15: Heat insulation cap;

[0041] 2: Oxygen supply mask;

[0042] 21: Mask body;

[0043] 22: Hanging belt;

[0044] 3: Isolated oxygen supply part;

[0045] 31: Oxygen supply part body;

[0046] 32: Nose clamp;

[0047] 33: Oral appliance;

[0048] 34: Oxygen supply pipe;

[0049] 341: Air pressure gauge;

[0050] 35: Exhaust pipe;

[0051] 36: Check valve;

[0052] 37: Air supplementing pressure plate;

[0053] 4: Oxygen cylinder;

[0054] 41: Inner container;

[0055] 42: fiber wrapping part;

[0056] 421: first carbon fiber layer;

[0057] 422: second carbon fiber layer;

[0058] 423: glass fiber layer;

[0059] 43: switch;

[0060] 44: pressure reducing valve;

[0061] 5: early warning system;

[0062] 51: temperature sensor;

[0063] 52: smoke sensor;

[0064] 53: data transmission module;

[0065] 54: processor;

[0066] 55: data sending module;

[0067] 56: alarm module;

[0068] 6: battery slot. DETAILED DESCRIPTION

[0069] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0070] The most common urban fire self-rescuer in existing families is a filter type self-rescuer, which removes carbon monoxide, smoke and other harmful gases by adsorption, absorption, catalysis and direct filtration of a filter device during use. However, in actual application, there are still some toxic and harmful gases in the filtered gas, which cannot filter various toxic and harmful gases, and in a fire, due to the increase of combustion and toxic and harmful gas concentration, the oxygen concentration is low, so that the filter type respirator loses its due effect.

[0071] In addition, the existing compressed oxygen self-rescuer capable of supplying oxygen as a professional rescue equipment, since the gas cylinder is made of metal material, has poor corrosion resistance, is heavy and inconvenient to carry, which limits its popularization in families and combination with household protection devices.

[0072] In view of the above situation, referring toFigure 1 The utility model provides a city fire self-help device suitable for family scene uses, including heat -proof protection part 1, oxygen supply gauze mask 2, isolated oxygen supply part 3 and oxygen cylinder 4.

[0073] Referring to Figure 1 As shown in the heat -proof protection part 1 includes the body part 11 of folding arrangement, for covering the torso of human body, the neck 12 is provided at the folding of body part 11, and the user is conveniently dressed, and the heat -proof long -sleeve 13 is equipped on both sides at the folding, and the arm of user is protected, in addition, the heat -proof pocket 14 is also equipped on body part 11, for placing oxygen cylinder 4.

[0074] Referring to Figure 2 And Figure 3 As shown in the oxygen supply gauze mask 2 includes gauze mask body 21 and the hanging belt 22 connected with gauze mask body 21, and gauze mask body 21 is attached to the face of user, and the hanging belt 22 is used to hang the oxygen supply gauze mask 2 firmly on the face of user, and the isolated oxygen supply part 3 is arranged on gauze mask body 21, wherein the isolated oxygen supply part 3 includes oxygen supply part body 31, nose clamp 32 and mouthpiece 33 arranged on oxygen supply part body 31, and the nose clamp 32 is mainly used to prevent the toxic and harmful gas from entering the nasal cavity, and the mouthpiece 33 is connected with one end of oxygen supply pipe 34 and exhaust pipe 35 respectively, and one-way valve 36 is arranged on oxygen supply pipe 34 and exhaust pipe 35, so that oxygen is supplied to the user in one direction, and the gas exhaled by the user is discharged in one direction through exhaust pipe 35, realizing isolated oxygen supply, in an example, the one-way valve 36 adopts a thin film one-way sheet.

[0075] Referring to Figure 1 , Figure 3 And Figure 4 As shown in the oxygen cylinder 4 is placed in the heat -proof pocket 14, and the oxygen cylinder 4 includes inner container 41 and fiber wrapping part 42 wrapped outside the inner container 41, and the inner container 41 is communicated with the other end of oxygen supply pipe 34, and the gas outlet of oxygen cylinder 4 is provided with switch 43, and the oxygen cylinder 4 is opened to supply oxygen to the oxygen supply gauze mask 2.

[0076] The city fire self-help device of the embodiment, the oxygen cylinder 4 adopts the structure that the fiber wrapping part 42 wraps the inner container 41, adds the gas carrying capacity for the inner container 41, thereby reducing the thickness of the inner container 41, reduces the self weight of the oxygen cylinder 4, can store more oxygen, simultaneously has the characteristics such as corrosion resistance, light weight, and further realizes that the oxygen cylinder 4 can be combined with the heat -proof protection part 1, obtains the city fire self-help device that can provide breathing support and heat -proof protection simultaneously, when the fire occurs, can quickly and conveniently wear the heat -proof protection part, pulls out the oxygen supply gauze mask, wears the nose clamp and the mouthpiece, realizes oxygen supply, reduces the harm, improves the survival probability, and the overall structure of the device is simple, and the practicality is strong.

[0077] It should be noted that in the present embodiment, the heat insulation pocket 14 can be arranged on the inner side of the body part 11 or on the outer side of the body part 11, which is not limited herein. In the present embodiment, the inner container can be made of aluminum alloy material or stainless steel material. Due to the existence of the fiber wrapping part, the thickness of the inner container can be thinner than that in the prior art, thereby reducing the weight.

[0078] It should be further noted that the oxygen supply part body 31 can be a separate part which is embeddedly installed on the mask body 21, or can be a part of the mask body 21, which is not limited in the present embodiment.

[0079] In addition, it should be further noted that the nose clip 32 and the mouthpiece 33 are both prior art, which will not be described herein.

[0080] In order to make the mechanical properties of the entire carbon fiber layer more uniform in all directions and increase the service life of the material, in some examples, the fiber wrapping part 42 comprises a carbon fiber layer, the carbon fiber layer comprises a first carbon fiber layer 421 and a second carbon fiber layer 422, the first carbon fiber layer 421 and the second carbon fiber layer 422 are arranged alternately along the thickness direction of the inner container 41, and the fiber direction of the first carbon fiber layer 421 and the fiber direction of the second carbon fiber layer 422 are different. Preferably, the fiber direction of the first carbon fiber layer 421 and the fiber direction of the second carbon fiber layer 422 are 90°.

[0081] In some examples of the present utility model, the fiber wrapping part 42 further comprises a glass fiber layer 423, the glass fiber layer 423 is attached to the side of the carbon fiber layer away from the inner container 41, that is, the glass fiber layer 423 is arranged at the outermost side of the fiber wrapping part 42. In addition to the performance of light weight and excellent mechanical properties, the glass fiber layer 423 also has excellent temperature insulation performance, which can make the temperature change of the carbon fiber layer, the inner container 41 and the gas in the inner container 41 smaller.

[0082] In one specific example, the thickness of the inner container 41 can be 7mm, the thickness of the first carbon fiber layer 421 and the second carbon fiber layer 422 each has three layers, and the fiber direction of the two is 90°. The thickness of the first carbon fiber layer 421 and the second carbon fiber layer 422 can each be 0.14mm, and the overall thickness of the fiber layer can be 6x0.14mm. The glass fiber layer 423 can be arranged only one layer, with a thickness of 0.5mm; or can be composed of two layers of 0.25mm glass fiber.

[0083] In some examples, the mask body 21 is arched, and a small amount of gas can be stored in the arch. An opening is arranged at the dome part of the mask body 21, and the oxygen supply part body 31 is embedded in the opening, so as to facilitate the installation of the whole isolation type oxygen supply part 3 and the mask body 21.

[0084] In some examples, a pressure reducing valve 44 is arranged between the switch 43 and the outlet of the oxygen cylinder 4, for safer high-pressure oxygen output. Further, a pressure gauge 341 is connected to the oxygen supply pipe 34, for displaying real-time pressure.

[0085] In some embodiments, referring to Figure 2 , a gas supplementing plate 37 is arranged on the oxygen supply pipe 34, and pressing the gas supplementing plate 37 can accelerate the oxygen filling to the oxygen supply pipe 34 and reduce the time for oxygen to reach the oxygen supply mask 2 from the oxygen cylinder 4. It should be noted that the gas supplementing plate 37 is a prior art and will not be described here.

[0086] In order to further improve the heat insulation protection effect, in some examples, the collar 12 is an elastic collar, for example, an elastic band is arranged at the collar 12. The heat insulation long sleeve 13 is an elastic sleeve, for example, an elastic band is arranged at the sleeve.

[0087] In order to further improve the heat insulation effect, referring to Figure 5 , in some examples, a heat insulation cap 15 is arranged at the collar 12 and integrated with the body part 11.

[0088] In order to rescue the people in the fire occurrence site faster, referring to Figure 2 , in some examples, the urban fire self-rescue device further comprises a warning system 5, which comprises a temperature sensor 51, a smoke sensor 52, a data transmission module 53, a processor 54, a data sending module 55, and an alarm module 56, which are arranged outside the mask body 21. The temperature sensor 51 and the smoke sensor 52 are respectively signal connected with the data transmission module 53, the data transmission module 53 is signal connected with the processor 54, the data sending module 55 and the alarm module 56 are respectively signal connected with the processor 54, and the data sending module 55 is further signal connected with a fire rescue center. A battery slot 6 is further arranged on the mask body 21, which is used for installing a battery for supplying power to the warning system 5.

[0089] When the fire occurs, the temperature sensor 51 and the smoke sensor 52 detect the abnormal conditions of the air temperature rising and the smoke produced by the combustion, and send data to the processor 54 through the data transmission module 53; when the processor 54 receives the abnormal data, the processor 54 sends instructions to the data sending module 55 and the alarm module 56; after the alarm module 56 receives the instructions, the alarm module 56 starts to sound the alarm; after the data sending module 55 receives the instructions, the data sending module 55 sends the data in the module memory, the temperature and smoke monitoring report, the preset address information and other information directly to the fire rescue center. The residents at the fire site can discover the fire in the first time, conveniently and quickly put on the heat protection part 1, pull out the oxygen mask 2, wear the nose clamp 32 and the mouthpiece 33, and turn on the switch 43 of the oxygen cylinder 4 to supply oxygen. The device simultaneously improves the breathing support and sound insulation and heat protection for the user, reduces the harm and improves the survival probability. At the same time, the fire rescue center can be dispatched in the first time to rescue, and reduce the personal injury and the property damage.

[0090] In order to more reasonably arrange the early warning system 5 and reduce the occupied space, the early warning system 5 is adapted to be installed on the mask body 21. In an example, as shown in Figure 2 The temperature sensor 51 and the smoke sensor 52 are installed on the data transmission module 53, and the data transmission module 53, the data sending module 55 and the alarm module 56 are installed on the processor 54.

[0091] Preferably, the alarm module 56 can simultaneously provide sound and light alarm modes.

[0092] It should be noted that the temperature sensor 51, the smoke sensor 52, the data transmission module 53, the processor 54, the data sending module 55 and the alarm module 56 can adopt the prior art, which will not be described here.

[0093] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: not every example contains only one independent technical solution, in the absence of scheme conflict, the technical features mentioned in each example can be combined in any way to form other embodiments that can be understood by those skilled in the art.

[0094] In addition, the technical solutions described in the foregoing examples are modified, or some of the technical features are replaced, without departing from the scope of the present application, so that the essence of the corresponding technical solutions does not deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A city fire self-rescue device, characterized in that: include: The heat-insulating protective part includes a main body portion folded in half, a collar provided at the folded portion of the main body portion, heat-insulating long sleeves provided on both sides of the folded portion, and a heat-insulating pocket provided on the main body portion; An oxygen supply mask, comprising a mask body and a hanging strap connected to the mask body; An isolated oxygen supply unit is installed on the mask body, comprising an oxygen supply unit body, a nose clip and a mouthpiece provided on the oxygen supply unit body, the mouthpiece being connected to one end of the oxygen supply pipe and the exhaust pipe, respectively, and both the exhaust pipe and the oxygen supply pipe being provided with a one-way valve; An oxygen cylinder is placed in the thermal insulation pocket, which is arranged on the inner side of the main body. The oxygen cylinder includes an inner liner and a fiber wrapping portion wrapped around the outer side of the inner liner. The inner liner is connected to the other end of the oxygen supply tube. The gas outlet of the oxygen cylinder is provided with a switch. The fiber wrapping portion includes a carbon fiber layer, which includes a first carbon fiber layer and a second carbon fiber layer. The first carbon fiber layer and the second carbon fiber layer are alternately arranged along the thickness direction, and the fiber direction of the first carbon fiber layer is different from the fiber direction of the second carbon fiber layer.

2. The urban fire self-rescue device according to claim 1, characterized in that: The fiber direction of the first carbon fiber layer and the fiber direction of the second carbon fiber layer are 90 degrees.

3. The urban fire self-rescue device according to claim 1 or 2, characterized in that: The fiber wrapping portion further includes a glass fiber layer, and the glass fiber layer is attached to a side of the carbon fiber layer away from the inner liner.

4. The urban fire self-rescue device according to claim 1, characterized in that: The mask body is arched, an opening is provided at the top of the arch of the mask body, and the oxygen supply part body is embedded in the opening.

5. The urban fire self-rescue device according to claim 1, characterized in that: A pressure reducing valve is provided between the switch and the gas outlet of the oxygen cylinder.

6. The urban fire self-rescue device according to claim 1, characterized in that: The oxygen supply pipe is provided with an air pressure plate; and / or The oxygen supply pipe is provided with a barometer.

7. The urban fire self-rescue device according to claim 1, characterized in that: The neckline is an elastic neckline, and the heat-insulating long sleeves are elastic cuffs; and / or The collar is also provided with a heat-insulating cap which is integrated with the main body.

8. The urban fire self-rescue device according to claim 1, characterized in that: It also includes an early warning system, which includes a temperature sensor, a smoke sensor, a data transmission module, a processor, a data sending module and an alarm module arranged on the outside of the mask body, the temperature sensor and the smoke sensor are respectively connected to the data transmission module for signal connection, the data transmission module is connected to the processor for signal connection, the data sending module and the alarm module are respectively connected to the processor for signal connection, and the data sending module is also connected to the fire rescue center for signal connection; The mask body is also provided with a battery slot, which is used to install batteries for powering the early warning system.

9. The urban fire self-rescue device according to claim 8, characterized in that: The temperature sensor and the smoke sensor are installed on the data transmission module, and the data transmission module, the data sending module and the alarm module are installed on the processor.