CN212038663U - Have particle filtration and thermal insulation performance's protection headgear of putting out a fire concurrently - Google Patents
Have particle filtration and thermal insulation performance's protection headgear of putting out a fire concurrently Download PDFInfo
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- CN212038663U CN212038663U CN202020533870.6U CN202020533870U CN212038663U CN 212038663 U CN212038663 U CN 212038663U CN 202020533870 U CN202020533870 U CN 202020533870U CN 212038663 U CN212038663 U CN 212038663U
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Abstract
The utility model provides a have particle filtration and thermal insulation performance's protection headgear of putting out a fire, the headgear comprises looped fabric I, membrane I, looped fabric II from outer to interior in proper order, and wherein looped fabric I and membrane I bond together, and membrane I and looped fabric II contact are in the same place. The utility model discloses an advantage and positive effect: the fire-fighting protection headgear for the firefighters has both particle filtering effect and heat preservation performance, can be matched with fire-fighting protection clothes, fire helmets and the like for head protection in a high-temperature deflagration scene, and can also be used for particle filtering in a dense smoke scene, blocking of micron particle bacteria and viruses, head heat preservation in a low-temperature scene and head wind prevention in a strong wind scene.
Description
Technical Field
The utility model discloses the application relates to a have particle filtration and thermal insulation performance's protection headgear of putting out a fire concurrently can cooperate fire fighter to put out a fire protective clothing, fire helmet etc. and be used for the scene of a fire rescue, the cold-proof of the particle contaminant's of other scenes separation, low temperature windy environment also can be used to simultaneously.
Background
The fire-fighting protection headgear for the firefighter is used by matching the fire-fighting helmet and the firefighter breathing protection harness at the head part of the fire-fighting rescue field sleeve, and is used for protecting the head part, the side part and the neck part from flame burning or high-temperature scalding. The existing fire-fighting protective headgear for firefighters usually adopts single-layer or multi-layer aramid knitted fabrics, has flame retardant property, thermal stability, pilling resistance and the like, and can effectively reduce the damage caused by high-temperature deflagration. However, the openings of the knitted fabrics of the existing fire-fighting protection headgear for firemen are large, and a plurality of micron-sized toxic particle pollutants can be adhered to the headgear and permeate the skin through the knitted fabrics to cause potential harm, so that the existing fire-fighting protection headgear has no particle filtering performance. Meanwhile, the knitted fabric pore channel of the existing fire-fighting protection headgear for firemen is large, and when the existing fire-fighting protection headgear is used together with a fire-fighting helmet and fire-fighting protection clothing for firemen, the temperature of the neck and the ear is difficult to ensure, so that the existing fire-fighting protection headgear does not have the heat preservation performance. In a word, present fire fighter's protection headgear of putting out a fire can ensure that its cover position avoids receiving flame burn or high temperature scald, but can not hinder micron order to poison the absorption of granule pollutant, and the fire fighter has the risk of poisoned the pathogenic carcinogenesis of particulate matter by micron, does not have warmth retention property simultaneously yet, and the fire fighter of low temperature operation has the risk that ear neck position is cold to be frozen.
Disclosure of Invention
In view of the problem that the fire fighter's protection headgear of putting out a fire that prior art exists can not filter scene of a fire particulate matter, cold-proof effect is poor, the utility model provides a have particle filtration and thermal insulation performance's protection headgear of putting out a fire concurrently. On one hand, the flame-retardant knitted fabric is subjected to membrane composite design, so that micron particles are filtered and blocked. On the other hand, fiber modification and replacement research is carried out on the knitted material, and the thermal resistance is improved by cooperating with the increase of the air layer and the optimization of the thickness. At the same time, the membrane structure also helps to resist cold wind. And then the particle filtering performance and the heat preservation performance are improved at the same time, wherein the particle filtering efficiency can be improved to more than 95%, and the heat preservation performance can be improved to more than 0.2 clo.
The utility model adopts the technical scheme as follows: the utility model provides a have particle filtration and thermal insulation performance's protection headgear of putting out a fire which characterized in that: the headgear comprises a knitted fabric I, a film I and a knitted fabric II from outside to inside in sequence, wherein the knitted fabric I is bonded with the film I, and the film I is contacted with the knitted fabric II.
The utility model provides a have particle filtration and thermal insulation performance's protection headgear of putting out a fire which characterized in that: the hood from outer to interior constitute by looped fabric III, membrane II, looped fabric IV, looped fabric V in proper order, wherein looped fabric III and membrane II bond together, membrane II and looped fabric IV contact together, looped fabric IV and looped fabric V contact together.
The utility model provides a have particle filtration and thermal insulation performance's protection headgear of putting out a fire which characterized in that: the hood from outer to interior in proper order by looped fabric VI, membrane III, looped fabric VII, membrane IV, looped fabric VIII constitute, wherein looped fabric VI bonds together with membrane III, membrane III and looped fabric VII contact together, looped fabric VII bonds together with membrane IV, membrane IV and VIII looped fabric contact together.
The utility model provides a have particle filtration and thermal insulation performance's protection headgear of putting out a fire which characterized in that: the head cover is composed of a knitted fabric IX, a film V, a film VI and a knitted fabric X in sequence from outside to inside, wherein the knitted fabric IX is bonded with the film V, the film V is contacted with the film VI, and the film VI is bonded with the knitted fabric X.
The utility model discloses an advantage and positive effect:
this fire fighter's protection headgear of putting out a fire not only accords with the index requirement of "fire fighter's protection headgear of putting out a fire GA 869-2010", but also has particle filtration performance and thermal insulation performance, wherein particle filtration efficiency can reach more than 95%, thermal insulation performance can improve more than 0.2clo, consequently can cooperate fire fighter's protective clothing and fire helmet of putting out a fire to put out a fire to be used for the head protection in conflagration detonation scene, can also be used for the particle filtration in dense smoke scene, the separation of micron granule bacterium virus, the head in low temperature scene is cold-proof, the head in strong wind scene is prevent wind.
The particle filtering efficiency is detected as follows, the particle filtering efficiency is more than 95% and the particle filtering efficiency of the fire-extinguishing protective headgear for ordinary firefighters is less than 70% based on the respiratory protection product-self-priming filtering type particle-preventing respirator GB 2626 plus 2006.
In addition, other similar particle filtration efficiency detection standards can be adopted for detection, for example, the solid particle penetration performance of the protection clothing chemical protective clothing general technical requirement GB 245739-2009, for example, the filtration efficiency of the daily protection mask technical Specification GBT 32610 one-pack 2016 and the like, and the solid particle penetration performance and the filtration efficiency of the fire-extinguishing protection headgear with the particle filtration and heat preservation performances in the patent are improved by more than 5% compared with those of the fire-extinguishing protection headgear for ordinary firefighters.
The heat retention performance is detected as follows, the Crohn value can reach more than 0.2clo measured based on GBT11048-2008 which is the determination of thermal resistance and wet resistance under the steady state condition of the physiological comfort of the textile, and the Crohn value of the fire-extinguishing protective headgear for ordinary firefighters is generally less than 0.15clo, so the thermal resistance of the heat retention performance is higher than 10%.
In addition, other similar heat-insulating performance detection standards can be adopted for detection, such as the heat resistance of GB/T18398-2001, namely the heat resistance of the garment heat resistance test method thermal body dummy method, such as the heat resistance of ISO11092, which is a common test method for heat resistance and moisture resistance of perspiration moisture conductivity test method, the heat resistance of the fire-extinguishing protective headgear with particle filtering and heat-insulating performances in the patent is higher than that of the fire-extinguishing protective headgear of a common fireman by more than 10%.
In a word, the fire-fighting protection headgear for the firefighter has both particle filtering effect and heat preservation performance, can be matched with fire-fighting protection clothes, fire helmets and the like for head protection in a high-temperature deflagration scene, and can also be used for particle filtering in a dense smoke scene, blocking of micron particle bacteria and viruses, head heat preservation in a low-temperature scene and head wind prevention in a strong wind scene.
Drawings
Fig. 1 is a schematic structural view of two layers of knitted fabric and one layer of film according to the present invention;
fig. 2 is a schematic structural view of three layers of knitted fabrics and a layer of film according to the present invention;
fig. 3 is a schematic structural view of a three-layer knitted fabric and a two-layer film according to the present invention;
fig. 4 is a schematic structural view of two layers of knitted fabric and two layers of film according to the present invention.
Detailed Description
Example 1, as shown in fig. 1, a fire-fighting protective headgear with both particle filtration and thermal insulation properties, the headgear is sequentially composed of a knitted fabric i 1, a film i 2, and a knitted fabric ii 3 from outside to inside, wherein the knitted fabric i 1 and the film i 2 are bonded together by a layer of glue, and the film i 2 and the knitted fabric ii 3 are in contact with each other.
Example 4, as shown in fig. 4, a fire-fighting protective headgear with both particle filtration and thermal insulation properties, the headgear is composed of knitted fabric ix 13, film v 14, film vi 15, and knitted fabric x 16 in sequence from outside to inside, wherein knitted fabric ix 13 and film v 14 are bonded together by a layer of glue, film v 14 and film vi 15 are in contact with each other, and film vi 15 and knitted fabric x 16 are bonded together by a layer of glue.
The knitted fabric I1, the knitted fabric II 3, the knitted fabric III 4, the knitted fabric IV 6, the knitted fabric V7, the knitted fabric VI 8, the knitted fabric VII 10, the knitted fabric VIII 12, the knitted fabric IX 13, the knitted fabric X16 fiber material, the gram weight, the napping and other parameters can be different, and the fiber material can be formed by one or more blends of aramid 1313 fiber, aramid 1414 fiber, polyimide fiber, polyphenylene sulfide fiber, polybenzimidazole fiber, antistatic fiber, PBI fiber, PBO fiber, pre-oxidized silk fiber or carbon fiber.
The materials of the membrane I2, the membrane II 5, the membrane III 9, the membrane IV 11, the membrane V14 and the membrane VI 15 are composed of one or more of a polytetrafluoroethylene membrane, a polyimide membrane, a oil repellent membrane and the like.
This application headgear can carry out the multiple combination of multilayer fabric, can improve the holistic granule filtration efficiency of headgear through the increase of membrane or optimization, also can improve the whole warmth retention property's of headgear Cro value through the increase or the thickening of looped fabric.
In the knitted fabric I1 of the embodiment 1, a napped fabric with a weight of 220gsm, which is formed by blending 65% of polyimide fiber, 30% of aramid fiber 1313 fiber and 5% of antistatic fiber, is used, and in the knitted fabric II 3, a napped knitted fabric with a pure polyimide fiber and a weight of 220gsm is used; the membrane I2 is made of a polytetrafluoroethylene membrane.
The particle filtering efficiency is up to 95% according to the test of a respiratory protection product-self-suction filter type particle prevention respirator test GB 2626-plus 2006; according to the thermal resistance and the moisture resistance of the fabric measured in GBT11048-2008 under the steady state condition of the physiological comfort, the Crow value of the thermal resistance is improved by more than 15% compared with the traditional headgear composed of 220gsm aramid fiber 1313 fiber knitted fabric and 220gsm aramid fiber 1313 fiber knitted fabric.
The knitted fabric III 4 of the embodiment 2 is a knitted napped fabric with a grammage of 220gsm formed by blending 90% of polyimide fibers and 10% of aramid fibers 1313 fibers, the knitted fabric IV 6 is a knitted napped fabric with a grammage of 220gsm formed by blending 90% of polyimide fibers and 10% of PBI fibers, and the knitted fabric V7 is a knitted napped fabric with a grammage of 220gsm formed by mutually blending 90% of polyimide fibers, 2% of carbon fibers and 8% of aramid fibers 1414 fibers; wherein the film II 5 is a polytetrafluoroethylene film combined oil repellent film;
the particle filtering efficiency is up to 99% according to GB 2626 one-pass 2006 test of respiratory protection products, namely self-absorption filter type particulate matter prevention respirator test, and the thermal resistance is improved by more than 20% compared with a headgear formed by aramid 1313 fiber 220gsm knitted fabric, aramid 1313 fiber 220gsm knitted fabric and aramid 1313 fiber 220gsm knitted fabric by testing the thermal resistance according to GBT11048-2008 test of thermal resistance and moisture resistance under the steady-state condition of the physiological comfort of textiles.
The knitted fabric VI 8 of the embodiment 3 is a knitted fabric with the gram weight of 200gsm formed by blending 97% of polyimide fibers, 1% of pre-oxidized silk fibers and 2% of antistatic fibers, the knitted fabric VII 10 is a knitted fabric with the gram weight of 200gsm formed by blending 50% of polyimide fibers and 50% of aramid 1313 fibers, and the VIII knitted fabric 12 is a knitted fabric with the gram weight of 200gsm woven by pure polyimide fibers; wherein the film III 9 is a polytetrafluoroethylene film combined oil repellent film, and the film IV 11 is a polyimide film;
the particle filtering efficiency is tested to reach 96% according to GB 2626 one-pass 2006 of respiratory protection products, self-absorption filter type particulate matter prevention respirator test, and the thermal resistance is tested according to GBT11048-2008 of thermal resistance and moisture resistance measurement under the steady-state condition of the physiological comfort of the textile, and is improved by more than 25% compared with a headgear consisting of aramid fiber 200gsm1313 fiber knitted fabrics, aramid fiber 200gsm1313 fiber knitted fabrics and aramid fiber 200gsm1313 fiber knitted fabrics.
Example 4 knitted fabric ix 13 is a knitted fabric of a gram weight of 200gsm blended with 95% of polyimide fiber, 2% of pre-oxidized fiber and 3% of antistatic fiber, and knitted fabric x 16 is a knitted fabric of a gram weight of 200gsm blended with 60% of polyimide fiber, 30% of aramid 1313 fiber and 10% of PBI; wherein the film V14 is a polytetrafluoroethylene film combined oil repellent film, and the film VI 15 is a polytetrafluoroethylene film;
according to GB 2626 one-pass 2006 test of respiratory protection products, the particle filtering efficiency reaches 95%, and according to GBT11048-2008 test of thermal resistance and wet resistance under the steady-state condition of the physiological comfort of the textile, the thermal resistance is improved by more than 21% compared with a headgear formed by aramid fiber 200gsm1313 fiber knitted fabrics, aramid fiber 200gsm1313 fiber knitted fabrics and aramid fiber 200gsm1313 fiber knitted fabrics.
Claims (4)
1. The utility model provides a have particle filtration and thermal insulation performance's protection headgear of putting out a fire which characterized in that: the head cover comprises a knitted fabric I (1), a film I (2) and a knitted fabric II (3) from outside to inside in sequence, wherein the knitted fabric I (1) is bonded with the film I (2), and the film I (2) is contacted with the knitted fabric II (3).
2. The utility model provides a have particle filtration and thermal insulation performance's protection headgear of putting out a fire which characterized in that: the hood from outer to interior by looped fabric III (4), membrane II (5), looped fabric IV (6), looped fabric V (7) constitute in proper order, wherein looped fabric III (4) and membrane II (5) bond together, membrane II (5) and looped fabric IV (6) contact together, IV looped fabric (6) and looped fabric V (7) contact together.
3. The utility model provides a have particle filtration and thermal insulation performance's protection headgear of putting out a fire which characterized in that: the head cover comprises a knitted fabric VI (8), a film III (9), a knitted fabric VII (10), a film IV (11) and a knitted fabric VIII (12) from outside to inside in sequence, wherein the knitted fabric VI (8) is bonded with the film III (9), the film III (9) is contacted with the knitted fabric VII (10), the knitted fabric VII (10) is bonded with the film IV (11), and the film IV (11) is contacted with the knitted fabric VIII (12).
4. The utility model provides a have particle filtration and thermal insulation performance's protection headgear of putting out a fire which characterized in that: the head cover is composed of knitted fabric IX (13), a film V (14), a film VI (15) and knitted fabric X (16) from outside to inside in sequence, wherein the knitted fabric IX (13) and the film V (14) are bonded together, the film V (14) and the film VI (15) are contacted together, and the film VI (15) and the knitted fabric X (16) are bonded together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020533870.6U CN212038663U (en) | 2020-04-13 | 2020-04-13 | Have particle filtration and thermal insulation performance's protection headgear of putting out a fire concurrently |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020533870.6U CN212038663U (en) | 2020-04-13 | 2020-04-13 | Have particle filtration and thermal insulation performance's protection headgear of putting out a fire concurrently |
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| Publication Number | Publication Date |
|---|---|
| CN212038663U true CN212038663U (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020533870.6U Active CN212038663U (en) | 2020-04-13 | 2020-04-13 | Have particle filtration and thermal insulation performance's protection headgear of putting out a fire concurrently |
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| Country | Link |
|---|---|
| CN (1) | CN212038663U (en) |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: JIANGXI DINGFENG EQUIPMENT TECHNOLOGY Co.,Ltd. Assignor: TIANJIN FIRE Research Institute OF MEM Contract record no.: X2021120000001 Denomination of utility model: The utility model relates to a fire-fighting protective head cover with the performance of particle filtering and heat preservation Granted publication date: 20201201 License type: Common License Record date: 20210106 |