CN111169610A - Quicklime heating life jacket and using method thereof - Google Patents
Quicklime heating life jacket and using method thereof Download PDFInfo
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- CN111169610A CN111169610A CN202010071019.0A CN202010071019A CN111169610A CN 111169610 A CN111169610 A CN 111169610A CN 202010071019 A CN202010071019 A CN 202010071019A CN 111169610 A CN111169610 A CN 111169610A
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- water inlet
- life jacket
- wall
- heating device
- heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
- B63C9/11—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like covering the torso, e.g. harnesses
- B63C9/115—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like covering the torso, e.g. harnesses using solid buoyant material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
The invention discloses a quicklime heating life jacket and a using method thereof, the life jacket comprises a life jacket main body, a buoyancy device and a heating device are sequentially arranged inside the life jacket main body from outside to inside, a water inlet button is arranged at the lower part of the outer side of the life jacket main body, reflecting plates are arranged at two shoulders, a survival whistle is hung at the chest position, the heating device comprises an inner wall and an outer wall, the outer wall is attached to the buoyancy device, the inner wall is in contact with a human body, bagged quicklime and air are arranged inside the heating device, a water inlet is arranged below the front side of the outer wall, the water inlet is connected with the water inlet button through a water inlet channel, a waterproof protective film tightly wraps the water inlet button, and a pressure valve is arranged above the back. The quicklime heating life jacket disclosed by the invention is low in economic cost, convenient to wear and simple to operate, can be produced and equipped on a large scale in a short period, and can provide stable and continuous heat for an accidental drowning person for a long time, so that the drowning person can greatly prolong the survival time to wait for rescue in low-temperature water, and the survival rate is improved.
Description
Technical Field
The invention belongs to the technical field of life jackets, and particularly relates to a quicklime heating life jacket and a using method thereof.
Background
The risk of the ship being difficult to escape when sailing on the water surface. Far, the Tatannik number sinks when hitting the iceberg, and in recent years, the accident of sinking ships, such as eastern star, often happens. Studies have shown that human survives less than 15 minutes in 0 ℃ seawater. If the rescue ship can not arrive quickly due to a ship sinking accident at night or in the open sea and the water temperature is lower in a specific season with higher latitude, the drowning person can not escape due to the low-temperature effect even if wearing the life jacket to avoid drowning.
Therefore, the life jacket with the heating function is designed, the time for the drowning person to wait for rescue is effectively prolonged, and the survival probability of the drowning person is improved. In the prior art, a warm-keeping life jacket (patent number: 201420629866.4), a luminous automatic warm-keeping life jacket (patent number: 201720183487.0) and an automatic heating jacket type life jacket (201910139354.7) have heating functions, but have the defects of complex operation, high manufacturing cost and high uncertainty respectively.
Disclosure of Invention
The invention aims to provide a quicklime heating life jacket and a using method thereof, and aims to solve the problems of complex operation, high manufacturing cost and high uncertainty in the existing heating life jacket.
In order to achieve the purpose, the invention provides the following technical scheme:
the quicklime heating life jacket comprises a life jacket main body, wherein a buoyancy device and a heating device are sequentially arranged inside the life jacket main body from outside to inside, reflection plates are arranged at two shoulders outside the life jacket main body, specifically, red fabric made of nylon or chloroprene rubber is adopted, the buoyancy device is composed of a plurality of buoyancy pieces, EVA (ethylene vinyl acetate) foaming materials are adopted, the buoyancy standard is 12kg/24 hours for adults, 9.5kg/24 hours for children, a survival whistle is arranged at the chest opening outside the life jacket main body, the content of the section is the conventional life jacket configuration, but the added total mass of quicklime and the heating device is 4.5 kg, and the buoyancy standard of the buoyancy device is improved. The heating device is positioned below the cuffs of the main body of the life jacket; the heating device comprises an inner wall and an outer wall, wherein the inner wall is made of silica gel or PVC and has a thickness of 0.5cm, the outer wall is 1cm, the inner wall and the outer wall form an easily-deformable closed system, bagged quicklime and a small amount of air are arranged in the closed system, the bagged quicklime is sequentially fixed on the inner side of the outer wall at a set interval of 4-6 cm and is higher than the set height of the bottom of the outer wall, the thickness is compressed within 2cm when water does not enter, and the occupied space is smaller; the cross sections of the inner wall and the outer wall are both elliptical, the outer wall is tightly attached to the buoyancy device, the inner wall is in direct contact with a human body, and the heating device cannot fall off when the inner wall reacts;
the positive top of outer wall is equipped with the water inlet, be equipped with below the cuff in the life vest main part outside and control the water inlet button that the water inlet is closed and is opening, the water inlet is connected with the button of intaking with the help of inhalant canal, the button parcel of intaking has waterproof protection film, the top at the outer wall back is equipped with the pressure valve.
The circumferences of the outer wall and the inner wall before water inflow are 133-139 cm and 106-110 cm respectively, and the height is 24-26 cm; after water enters, the heating device expands in volume, the corresponding water level is 19-21 cm in height and 7-8 cm in thickness, and the seawater occupies 75-85% of the space.
The water inlet button is positioned at the position which is 5cm below the cuff at the outer side of the life jacket main body and is inclined to the right of the center of the front side; the water inlet is positioned at the position of the heating device with the set height of 20 cm; the diameter of the water inlet channel is 4cm, one end of the water inlet channel is directly connected with the heating device without penetrating through the buoyancy device, and the other end of the water inlet channel is connected with the water inlet button; the water inlet is closed state, tearing waterproof protection film back, clockwise rotation the button of intaking is used for opening the water inlet, anticlockwise rotation the button of intaking is used for closing the water inlet. Normally, the waterproof protective film is tightly wrapped on the water inlet button, so that dangerous misoperation caused by not starting the heating device is prevented.
After the water inlet is opened, under the action of pressure, seawater rapidly rushes into the heating device through the water inlet channel and undergoes a severe chemical reaction with the bagged quicklime, so that the seawater in the heating device is raised to 75-80 ℃ but is not boiled.
The heating device is made of silica gel or PVC, so that a person falling into water can feel the temperature of 45-55 ℃ at most. Because the outer wall is 0.5cm thicker than the inner wall, the outer wall has firmer high temperature resistance and damage resistance when the bag-shaped quicklime attached to the outer wall is subjected to violent reaction.
The pressure valve is a one-way valve which can only go out but not go in, the one-way valve is positioned at the middle of the back of the heating device and is set at the height of 20 cm, and the one-way valve does not penetrate through the buoyancy device and penetrates out of the back of the life jacket main body, so that the air expanded by heating can be discharged without burning a person falling into the water, and the heating device is prevented from being damaged due to rapid expansion of the volume and the buoyancy device is prevented from being damaged by high-temperature steam.
The use method of the quicklime heating life jacket comprises the following steps:
step 1: when people fall into water and the temperature of the surrounding seawater is more than 25 ℃, the water inlet button is not operated, and the people can wait for rescue with patience; when the temperature of the seawater is lower than 25 ℃, the waterproof protective film is quickly torn off, and the water inlet button is rotated clockwise;
step 2: under the action of the pressure intensity of the seawater, 10-14 kg of seawater quickly floods and fills the heating device, the volume of the heating device is 75-85% of the volume of the heating device, and the water inlet button is rotated anticlockwise at the moment, so that the seawater is not flooded any more;
and step 3: the bagged quicklime contained in the heating device generates chemical reaction when meeting water, releases heat to quickly heat the seawater to 75-80 ℃, and when the air pressure in the heating device is overlarge, the air is discharged through the pressure valve, so that people can feel the temperature of 45-55 ℃ at most, and the heat can be safely obtained within 0.5-4 hours.
In the process of receiving heat, the person falling into the water holds the front part of the life jacket main body with two crossed hands, so that the breathing is relaxed, and the unnecessary heat loss is reduced.
When the quicklime heating life jacket is stored daily, the quicklime heating life jacket needs to be placed in a dry and closed space, and is strictly moisture-proof and damp-proof.
The invention has the technical effects and advantages that: this quick lime life vest that generates heat economic cost is little, the wearing is convenient, easy operation, but mass production and equipment in the short term ensure simultaneously for the unexpected person that falls into water provides the stable heat that lasts for a long time for the person that falls into water can improve the survival time greatly and wait for the rescue in low temperature aquatic, improves the survival rate.
Drawings
FIG. 1 is a schematic structural view of the present invention (a is cuff line in the figure);
fig. 2 is a front view of the heating apparatus of the present invention;
fig. 3 is a rear view of the heating apparatus of the present invention.
In the figure: 1-life jacket body, 2-buoyancy device, 3-heating device, 4-water inlet button, 5-bagged quicklime, 6-inner wall, 7-outer wall, 8-water inlet, 9-pressure valve, 10-reflecting plate, 11-life whistle, 12-waterproof protective film and 13-water inlet channel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the quicklime heating life jacket provided by the invention comprises a life jacket main body 1, wherein two shoulders of the life jacket main body 1 are provided with reflection plates 10, a life whistle 11 is arranged at the chest of the life jacket main body 1, a buoyancy device 2 and a heating device 3 are sequentially arranged in the life jacket main body 1 from outside to inside, and the heating device 3 comprises an inner wall 6 and an outer wall 7. The cross section of inner wall 6 and outer wall 7 is the elliptical arc, outer wall 7 closely laminates with buoyant device 2, inner wall 6 and human direct contact, the inside of heating device 3 is equipped with quick lime 5 in bags and a small amount of air, quick lime 5 in bags is fixed at outer wall 7 inboardly and is higher than 3 bottoms 4cm of heating device according to certain interval. The lower part in the 1 outside of life vest main part is equipped with into water button 4, the positive top of outer wall 7 is equipped with water inlet 8, water inlet 8 is connected with into water button 4 with the help of inhalant canal 13, the top at the outer wall 7 back is equipped with pressure valve 9.
The circumference of the heating device 3 is designed to be close to the chest circumference of an adult, the circumferences of the outer wall 7 and the inner wall 6 are 136 +/-3 cm and 108 +/-2 cm respectively, the height of the heating device 3 is 25 +/-1 cm, the heating device 3 is thin before water enters, the water level of the heating device 3 is 20 +/-1 cm after water enters, the thickness of the heating device is 7.5 +/-0.5 cm, and the seawater occupies 80 +/-5% of the volume of the heating device.
The button 4 of intaking is controlling the closure and the opening of water inlet 8, quilt under the normal condition the tight parcel of water proof membrane 12, simultaneously water inlet 8 is the closure state, tearing water proof membrane 12 back, clockwise rotation the button 4 of intaking is used for opening water inlet 8, anticlockwise rotation afterwards the button 4 of intaking is used for closing water inlet 8. After the water inlet 8 is opened, under the action of pressure, about 12L of seawater quickly flows into the heating device 3 and reacts with 4kg of bagged quicklime 5 in total to generate a violent chemical reaction, and the seawater in the heating device 3 is raised to 75-80 ℃ so as not to boil. The heating device 3 is made of silica gel or PVC and the like, so that the highest temperature range sensed by a person falling into water is 45-55 ℃. The pressure valve 9 is a one-way valve which only can not be opened, so that the air expanded by heating can be removed.
The use method of the quicklime heating life jacket comprises the following steps:
step 1: when people fall into water and the temperature of the surrounding seawater is more than 25 ℃, the water inlet button (4) is not operated, and people can endure heart and wait for rescue; when the temperature of the seawater is lower than 25 ℃, the waterproof protective film (12) is quickly torn off, and the water inlet button (4) is rotated clockwise;
step 2: under the action of the pressure intensity of the seawater, 10-14 kg of seawater quickly floods and fills the heating device (3), the volume of the heating device (3) is 75% -85% of that of the seawater, and the water inlet button (4) is rotated anticlockwise at the moment, so that the seawater is not flooded any more;
and step 3: the bagged quicklime (5) contained in the heating device (3) reacts chemically with water, the heat is released to quickly heat the seawater to 75-80 ℃, and when the air pressure in the heating device (3) is too high, the air is discharged through the pressure valve (9), so that people can feel the temperature of 45-55 ℃ at most, and the heat can be safely obtained within 0.5-4 hours.
In the process of receiving heat, the person falling into the water holds the front part of the life jacket main body (1) in a crossed manner by both hands, so that the breathing is relaxed, and the unnecessary heat loss is reduced.
When the quicklime heating life jacket is stored daily, the quicklime heating life jacket needs to be placed in a dry and closed space, and is strictly moisture-proof and damp-proof.
According to the experiment of 'relationship between the survival time of the drowner and the water temperature' made in the United states and Germany, the survival time of the drowner with the water temperature of 25 ℃ and 20 ℃ is 24 hours and 14 hours respectively. Therefore, we take 20 ℃ as the reference temperature and the time until the heating apparatus 3 starts to react until the temperature of the inside water drops to 20 ℃ as the continuous heating time.
In the experiment, the heating device 3 is placed in an experiment pool with the water temperature of 0, 2.5, 5, 15 and 20 ℃, and the water inlet button 4 is opened to enable a large amount of water to enter and then close the water inlet channel. The time taken for the water temperature inside the heating means 3 to drop to 20 c is then recorded, called the duration of heating. The results of the experimental recordings are as follows:
Therefore, the heating life jacket can provide the drowning person with continuous heating time of 0.5-4 hours. Under the condition of water temperature of 0-2.5 ℃, the survival time of a person falling into water is prolonged by 1-2 times, and the person stays in cold water for more than 45 minutes, so that the survival probability is improved; under the condition of water temperature of 5-10 ℃, the survival time of a person falling into water is prolonged by 48-90 minutes, the person can insist for 2 hours to 4.5 hours, and the survival probability is higher; particularly, under the condition of water temperature of 10-20 ℃, the survival probability of the drowning person is extremely high due to the long survival time of the drowning person and the continuous heating time of at least more than 1.5 hours.
The working principle is as follows: when the quicklime heating life jacket is used, after the waterproof protective film 12 is torn off, the water inlet button 4 is rotated clockwise firstly to enable a large amount of seawater to enter the heating device 3 through the water inlet 8, then the water inlet button 4 is rotated anticlockwise to prevent the seawater from continuing to enter, the seawater and the bagged quicklime 5 generate violent chemical reaction to heat the seawater, the heated seawater continuously transfers heat to a human body through the inner wall 6, and excessive hot gas generated in heating is discharged from the pressure valve 9.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a quick lime life vest that generates heat, includes life vest main part (1), its characterized in that: the interior of the life jacket main body (1) is sequentially provided with a buoyancy device (2) and a heating device (3) from outside to inside, and the heating device (3) is positioned below the cuffs of the life jacket main body (1);
reflecting plates (10) are arranged at two shoulders on the outer side of the life jacket main body (1), the buoyancy device (2) is composed of a plurality of buoyancy pieces, the standard of the buoyancy is 12kg/24 hours for adults and 9.5kg/24 hours for children, and survival whistle (11) is arranged at the chest opening on the outer side of the life jacket main body (1);
the heating device (3) comprises an inner wall (6) with the thickness of 0.5cm and an outer wall (7) with the thickness of 1cm, the inner wall (6) and the outer wall (7) form an easily-deformable closed system, and bagged quicklime (5) and air with a set amount are arranged in the closed system; the bagged quicklime (5) is sequentially fixed on the inner side of the outer wall (7) at intervals of 4-6 cm and is higher than the set height of the bottom of the outer wall (7), and the thickness is compressed within 2cm when water does not enter; the cross sections of the inner wall (6) and the outer wall (7) are both elliptical, the outer wall (7) is tightly attached to the buoyancy device (2), the inner wall (6) is in direct contact with a human body, and the heating device (3) cannot fall off when reaction occurs inside;
the positive top of outer wall (7) is equipped with water inlet (8), be equipped with below the cuff in the life vest main part (1) outside and control water inlet (8) closed and the button of intaking (4) of opening, water inlet (8) are connected with the button of intaking (4) with the help of inhalant canal (13), the button of intaking (4) parcel has waterproof protection film (12), the top at the outer wall (7) back is equipped with pressure valve (9).
2. The quicklime heating life jacket as claimed in claim 1, wherein: the circumferences of the outer wall (7) and the inner wall (6) before water is fed are 133-139 cm and 106-110 cm respectively, and the heights of the outer wall and the inner wall are 24-26 cm; after water enters, the heating device (3) expands in volume, the corresponding water level is 19-21 cm in height and 7-8 cm in thickness, and the seawater occupies 75-85% of the space.
3. The quicklime heating life jacket as claimed in claim 1, wherein: the water inlet button (4) is positioned at the position which is 5cm below the outer cuff of the life jacket main body (1) and is inclined to the right of the center of the front side; the water inlet (8) is positioned at the position of 20 cm set by the heating device (3); the diameter of the water inlet channel (13) is 4cm, one end of the water inlet channel is directly connected with the heating device (3) without penetrating through the buoyancy device (2), and the other end of the water inlet channel is connected with the water inlet button (4); water inlet (8) are the closure state, tearing waterproof protection film (12) back, clockwise turning it is used for opening water inlet (8) to intake button (4), anticlockwise turning it is used for closing water inlet (8) to intake button (4).
4. The quicklime heating life jacket as claimed in claim 3, wherein: after the water inlet (8) is opened, under the action of pressure, seawater rapidly rushes into the heating device (3) through the water inlet channel (13) and generates a violent chemical reaction with the bagged quicklime (5), and the seawater in the heating device (3) is raised to 75-80 ℃.
5. The quicklime heating life jacket as claimed in claim 1, wherein: the heating device (3) is made of silica gel or PVC, so that a person falling into water can feel the temperature of 45-55 ℃ at most.
6. The quicklime heating life jacket as claimed in claim 1, wherein: the pressure valve (9) is a one-way valve which can only go out and not go in, is positioned at the center of the back of the heating device (3) and is set at the height of 20 cm, does not penetrate through the buoyancy device (2) and penetrates out of the back of the life jacket main body (1), so that air expanded by heating can be discharged without burning a person falling into water, and meanwhile, the heating device (3) is prevented from being damaged due to rapid expansion of the volume and the buoyancy device (2) is prevented from being damaged by high-temperature steam.
7. The use method of the quicklime heating life jacket as claimed in any one of claims 1 to 6, which is characterized in that: the method comprises the following steps:
step 1: when people fall into water and the temperature of the surrounding seawater is more than 25 ℃, the water inlet button (4) is not operated, and people can endure heart and wait for rescue; when the temperature of the seawater is lower than 25 ℃, the waterproof protective film (12) is quickly torn off, and the water inlet button (4) is rotated clockwise;
step 2: under the action of the pressure intensity of the seawater, 10-14 kg of seawater quickly floods and fills the heating device (3), the volume of the heating device (3) is 75% -85% of that of the seawater, and the water inlet button (4) is rotated anticlockwise at the moment, so that the seawater is not flooded any more;
and step 3: the bagged quicklime (5) contained in the heating device (3) reacts chemically with water, the heat is released to quickly heat the seawater to 75-80 ℃, and when the air pressure in the heating device (3) is too high, the air is discharged through the pressure valve (9), so that people can feel the temperature of 45-55 ℃ at most, and the heat can be safely obtained within 0.5-4 hours.
8. The use method of the quicklime heating life jacket as claimed in claim 7, which is characterized in that:
in the process of receiving heat, the person falling into the water holds the front part of the life jacket main body (1) in a crossed manner by both hands, so that the breathing is relaxed, and the unnecessary heat loss is reduced.
9. The use method of the quicklime heating life jacket as claimed in claim 7, which is characterized in that: when the quicklime heating life jacket is stored daily, the quicklime heating life jacket needs to be placed in a dry and closed space, and is strictly moisture-proof and damp-proof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010071019.0A CN111169610A (en) | 2020-01-21 | 2020-01-21 | Quicklime heating life jacket and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010071019.0A CN111169610A (en) | 2020-01-21 | 2020-01-21 | Quicklime heating life jacket and using method thereof |
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| CN111169610A true CN111169610A (en) | 2020-05-19 |
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| CN202010071019.0A Pending CN111169610A (en) | 2020-01-21 | 2020-01-21 | Quicklime heating life jacket and using method thereof |
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| CN (1) | CN111169610A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112369342A (en) * | 2020-10-23 | 2021-02-19 | 彭明 | Tension pulling type animal neck ring with purification function |
-
2020
- 2020-01-21 CN CN202010071019.0A patent/CN111169610A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112369342A (en) * | 2020-10-23 | 2021-02-19 | 彭明 | Tension pulling type animal neck ring with purification function |
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