KR102179064B1 - Smart foam module for water rescue jacket, water rescue jacket having the same, control method of smart foam module for water rescue jacket - Google Patents

Abstract

The present invention relates to a smart foam module for a water rescue jacket, a water rescue jacket having the same, and a control method of a smart foam module for a water rescue jacket. The control method of a smart foam module for a water rescue jacket comprises: a first step in which a control module making up a smart foam module for a water rescue jacket recognizes a drowning risk event through a sensor module; a second step in which the control module rotates and controls an impeller making up a resin mixer unit to open a nozzle of a CO_2 cartridge of the smart foam module for a water rescue jacket through an electromagnetic valve so as to supply CO_2 gas to the resin mixer unit; and a third step in which a separation film dividing a first solution and a second solution in the resin mixer unit is removed by rotation of the impeller, and then the first solution and the second solution, which are a two-liquid resin for foaming, start foaming by mixing. The present invention prevents drowning before a distress accident occurs on water, is automatically foamed to provide buoyancy if a drowning risk is detected, quickly forms a two-liquid foam resin in a foam form by minimal power to provide safe water activities, allows a conventional buoyant material to be removed in normal activities on water to minimize the volume and relatively reduce the weight of components added as a foaming means in comparison to the buoyant material to maximize wearability, and limits a resin for foam formation and gas injection by an electronic control unit to control the proportion according to the weight of a wearer.

Description

Smart foam module for water rescue jacket, water rescue jacket having the same, control method of smart foam module for water rescue jacket}

The present invention relates to a control method of a smart foam module for a water rescue jacket, a water rescue jacket equipped with the same, and a smart foam module for a water rescue jacket, and more specifically, to prevent drowning before a distress accident in the water occurs, while the risk of drowning A smart foam module for a water rescue jacket to provide safe water activities by quickly forming a two-component foamed resin into a foamed foam form with minimal power as well as automatically foaming when it detects It relates to a water rescue jacket equipped with this, and a control method of a smart foam module for water rescue jacket.

In general, a water rescue jacket is worn to prevent drowning when a person who engages in water activities such as fishing falls into the water. A space is provided between the outer skin and the inner skin, and a buoyant material is embedded in the space to prevent drowning. It plays the role of injuring people.

The buoyancy material used in the water rescue jacket is generally thick and does not deform well such as bending, so it creates many restrictions on the activity when wearing the water rescue jacket, and the body area of the wearer in contact with water because it does not adhere to the body of the wearer. There is a problem in that the body temperature is lost to the water temperature in a short time because the amount of water passing by contacting the wearer's body is large.

As a related technology, Republic of Korea Patent Application No. 10-2007-0112446 "Life vest that turns a distress signal into a light" relates to a life vest worn when you are in distress in the sea. It relates to a life jacket that automatically sends a distress signal using fire light, and a life jacket made of luminous fiber sends a distress signal by fire light compared to that the light fades or disappears over time. Is a technique that can be used very effectively because it maintains an almost constant brightness of light when the distress time increases (when the rescue time increases).

In addition, the Republic of Korea Patent Application No. 10-2014-0191927 "Life Jacket" is a body part of a structure that can be worn on the upper body of a person; A heat generating module built into the body to be waterproof and electrically generating heat; A communication module that is embedded in the body and performs short-range wireless communication with an adjacent smartphone, and indicates a location of a wearer by executing an app of the smartphone; It is coupled to the body portion, relates to a technology for providing a life jacket including an LED module that can inform the location to the outside during distress.

In addition, Korean Patent Application No. 10-2014-0051242 "Outside vest" relates to an off-site vest worn by police, etc., especially for off-site work. It is particularly easy to wear and is suitable for off-site work. It relates to a technology in which a vest is formed on the vest cover, and a life tube coupled to the storage unit formed on the cover is provided with a storage unit for receiving a vest cover and a life tube on both sides.

In addition, Republic of Korea Patent Application No. 10-2008-0077212 "Multifunctional life jacket" is worn on the upper body, not only the lifesaving function of the conventional award, which simply makes the upper part of the human body stand on the water surface, but also the buoyancy according to the user's intention. It can be used by controlling it to suit various water leisure activities by simply flowing or dividing it arbitrarily, as well as having very free activities on the ground, such as the beach, and it is possible to quickly and easily perform the increase or decrease of buoyancy according to the user's weight. It relates to a technology that allows you to wear a life jacket with an appropriate size and buoyancy according to your body shape and weight.

However, all of the prior arts have a limitation in that they are inconvenient to wear due to the increase in volume due to the addition of components for performing various functions when using the water rescue jacket in normal times.

Korean Patent Application No. 10-2007-0112446 "LIFE JACKET EMITTING DISTRESS SIGNAL WITH LIGHT" Korean Patent Application No. 10-2014-0191927 "Life saving jacket" Republic of Korea Patent Application Application No. 10-2014-0051242 "Vest" Korean Patent Application Application No. 10-2008-0077212 "A life jacket has multi-function"

The present invention is to solve the above problems, while preventing drowning before a distress accident occurs in the water, and when detecting the risk of drowning, it is automatically foamed to provide buoyancy, and a two-component foamed resin with minimum power It relates to a control method of a smart foam module for a water rescue jacket for providing safe water activities, a water rescue jacket provided with the same, and a smart foam module for a water rescue jacket.

In addition, the present invention is configured in a state in which the existing buoyancy material is removed during daily activities in the water, so that the volume is minimized and the weight of the component added by the foaming means is relatively less than that of the buoyant material, thus maximizing the wearing force. It is to provide a control method of a smart foam module for a water rescue jacket, a water rescue jacket equipped with the same, and a smart foam module for a water rescue jacket.

In addition, the present invention is a smart foam module for a water rescue jacket for controlling in proportion to the weight of the wearer by limiting the injection of resin and gas for foaming foam formation in the electronic control unit, a water rescue jacket having the same, and It is to provide a control method of a smart foam module for a structural jacket.

However, the objects of the present invention are not limited to the above-mentioned objects, and other objects that are not mentioned will be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, the control method of the smart foam module for a water rescue jacket according to an embodiment of the present invention is a control module constituting the smart foam module for a water rescue jacket recognizes a drowning risk event through a sensor module. Step 1; A second step in which the control module rotates the impeller constituting the resin mixer unit for providing CO ₂ gas to the resin mixer unit by opening the nozzle of the CO ₂ cartridge of the smart foam module for the water structure jacket through the electronic valve; And after the separation membrane dividing the first solution and the second solution inside the resin mixer unit according to the rotation of the impeller is removed, the first solution and the second solution, which are two-component resins for foaming, are mixed to initiate foaming. step; It characterized in that it comprises a.

At this time, the present invention, after the third step, a fourth step of opening the lower opener of the resin mixer unit by foaming pressure according to the progress of the foaming reaction; It characterized in that it further comprises.

In addition, in the present invention, after the fourth step, a foaming solution in which the first solution and the second solution are mixed is ejected through the opened lower opener, so that the empty space in the smart foaming module for the water rescue jacket is used as the foaming solution. A fifth step of filling; It characterized in that it further comprises.

In addition, the present invention, after the fifth step, a sixth step of curing the foaming liquid filling the empty space in the smart foam module for water rescue jacket; It characterized in that it further comprises.

In addition, in the present invention, the two-component resin for foaming in the third step is a two-component urethane foam resin, and the first solution is the main body and the second solution contains a curing agent and a foaming agent.

The control method of the smart foam module for a water rescue jacket according to an embodiment of the present invention, a water rescue jacket provided with the same, and a smart foam module for a water rescue jacket, while preventing drowning before a distress accident occurs in the water, detects the risk of drowning In this case, it is automatically foamed to provide buoyancy, and by rapidly forming a two-component foamed resin into a foamed foam form with minimal power, there is an effect of providing safe water activities.

In addition, the control method of the smart foam module for a water rescue jacket according to another embodiment of the present invention, a water rescue jacket equipped with the same, and a smart foam module for a water rescue jacket, in a state in which the existing buoyancy material is removed during daily activities in the water. By being composed of, there is an effect that the volume is minimized and the weight of the component added by the foaming means is relatively less than that of the buoyant material, thereby maximizing the wearing force.

In addition, the control method of a smart foam module for a water rescue jacket, a water rescue jacket equipped with the same, and a smart foam module for a water rescue jacket according to another embodiment of the present invention, electronically inject resin and gas for foaming foam. By limiting in the control unit, there is an effect of being able to control in proportion to the weight of the wearer.

1 is a view showing the entire water rescue jacket 1 provided with a smart foam module 100 for a water rescue jacket according to an embodiment of the present invention.
2 is a view for explaining in detail the components of the resin mixer unit 120 in the smart foam module 100 for a water rescue jacket according to an embodiment of the present invention.
3 is a view for explaining the lower opener 127 of the resin mixer unit 120 in the smart foam module 100 for a water rescue jacket according to an embodiment of the present invention.
4 is a view showing the components of the control module 200 in the smart foam module 100 for a water rescue jacket according to an embodiment of the present invention.
5 is a flow chart showing a control method of a smart foam module for a water rescue jacket according to an embodiment of the present invention.

Hereinafter, a detailed description of a preferred embodiment of the present invention will be described with reference to the accompanying drawings. In the following description of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, a detailed description thereof will be omitted.

1 is a view showing the entire water rescue jacket 1 provided with a smart foam module 100 for a water rescue jacket according to an embodiment of the present invention. 2 is a view for explaining in detail the components of the resin mixer unit 120 in the smart foam module 100 for a water rescue jacket according to an embodiment of the present invention. 3 is a view for explaining the lower opener 127 of the resin mixer unit 120 in the smart foam module 100 for a water rescue jacket according to an embodiment of the present invention.

First, referring to Figures 1 and 2, the water rescue jacket 1 having a smart foam module 100 for a water rescue jacket has a double wall fabric structure of an inner skin and an outer skin, and between the inner and outer skins In addition to the built-in at least one smart foam module 100 for the water rescue jacket, a control module 200 for controlling the smart foam module 100 for each water rescue jacket may be additionally provided.

The location of the smart foam module 100 for the water rescue jacket within the water rescue jacket (1) is each mounted in the water rescue jacket (1) with a maximum capacity of 300 mL of foam resin, but the lower left and right sides of the water rescue jacket (1) It is desirable to place it in.

The smart foaming module 100 for a water structure jacket includes a CO ₂ supply unit 110, a resin mixer unit 120, an inlet pipe 130, and an outlet pipe 140, and foam resin inside the resin mixer unit 120 Excluding the total weight is preferably formed between 300 to 500g.

The CO ₂ supply unit 110 may include a CO ₂ injection stage 111 and a CO ₂ cartridge 112. The CO ₂ cartridge 112 may be interchangeably coupled through a contact end formed in the form of a male screw at the top to a fastening end forming a female screw shape to the inner peripheral surface of the lower end of the CO ₂ injection end 111.

CO ₂ bun division 111 from the nozzle of the CO ₂ cartridge 112 according to a control of the electromagnetic valve by being formed with an electronic valve, the control module 200, the inner end fastening the fastening and CO ₂ cartridge (112) It is possible to provide a function of receiving CO ₂ and providing CO ₂ gas to the resin mixer unit 120 through the inlet pipe 130.

The sensor module 210 may be attached to the CO ₂ supply unit 110, and when an acquisition situation occurs, CO ₂ gas is automatically ejected to operate the foaming module to initiate the foaming reaction, so that the CO ₂ cartridge 112 It serves as an initiator to operate the foaming module, and the capacity of the CO ₂ gas inside the CO ₂ cartridge 112 is preferably determined in consideration of the gas pressure, the impeller rotation to be described later, and the ability to remove the separator 126.

The resin mixer unit 120 includes an upper body 121, a lower body 122, a mixer 123, a first solution 124a, a second solution 124b, a stirring screw 125, a separator 126, and A lower opener 127 may be included.

The upper body 121 is formed with an impeller and a mixer 123 formed as an enclosure having an inlet and outlet for entering and exiting the impeller. Mixer 123 through the inlet pipe (130) CO ₂ bun provided from the division 111, as well as to the impeller by the CO ₂ gas to rotate in the forward direction (clockwise), CO ₂ gas mixer (123 through the impeller ) It flows into the space between the inside and the stirring screw 125 to fill the lower body 122.

Here, the stirring screw 125 has a rod shape formed by extending downward from the center of the impeller inside the lower body 122 and a steering stage formed in a direction perpendicular to the longitudinal direction of the rod separated from each other in the longitudinal direction of the rod. The agitating screw 125 can be rotated in the same direction as the impeller direction.

Meanwhile, the CO ₂ gas sufficiently injected into the lower body 122 by operating the mixer 123 of the upper body 121 is inside the smart foam module 100 for a water rescue jacket corresponding to the outside through the outlet pipe 140. It can also play a role of expanding the space of the smart foam module 100 for water structure jacket by flowing into.

The lower body 122 is connected to the lower portion of the upper body 121 and is formed to be 4 to 7 times longer than the length of the upper body 121, and the stirring screw 125 is provided in the center, and the stirring screw ( 125), not only the separation membrane 126 is formed in the y-axis direction in both width directions, but the formed separation membrane 126 is the lowermost point of the stirring screw 125 and the upper center of the lower surface of the lower body 122 It can be formed in a shape that extends between points.

On the other hand, since the separation membrane 126 is formed in the width direction of the lower body 122, the x-axis direction corresponding to the length direction of the lower body 122 can be bisected, and the first side of the bisected lower body 122 The first solution 124a is filled, and the second solution 124b is filled on the second side of the bisected lower body 122.

That is, the lower body 122 is a foaming resin storage container, and in the foaming resin storage container, a separator 126 or in another embodiment of the present invention, a two-component foaming type by individual packs on the first and second sides. The first solution 124a and the second solution 124b, which are resins, are stored separately. Here, it is preferable that the total amount of the foaming resin, which is the foaming unit to be mounted on the lower body 122, is at most 600mL, and in consideration of the convenience of wearing and the uniform foaming efficiency, it is preferable to divide and mount the resin on the lower body 122, which is two foaming units. effective. That is, the first solution 124a and the second solution 124b are two-component foamed resins, and when the separation membrane 126 is used, the lower body 122, which is a cylindrical resin storage container, is placed in the vertical (vertical) direction with the separation membrane 126. Separate the space and store it by filling it in the left and right spaces, but when foaming starts, the separator 126 in the lower body 122, which is a resin container, is torn by the action of the CO ₂ gas pressure and the stirring screw 125 (124a) and the second solution 124b may begin to mix.

On the other hand, polyurethane resins containing a polyurethane prepolymer having an isocyanate group at the terminal as a curing main component are a one-component type that is cured by moisture in the air and a two-component type containing a foaming agent other than a curing agent containing a curing component that reacts with an isocyanate such as polyol. It is classified as In the present invention, a two-component urethane foam resin is used to form a second solution 124b including a curing agent and a foaming agent based on the first solution 124a, but the two-component urethane foam resin is a liquid with high viscosity and is sprayed. It can be foamed up to 30 times the volume at the same time as spraying.

On the other hand, the separation membrane 126 should not pass liquid, should have good elasticity, and it is preferable to use a rubber material or a synthetic rubber material that is easily torn by a strong impact.

Here, when the first solution 124a and the second solution 124b are mixed and the foaming reaction is initiated, it must be quickly moved to an empty space in the smart foaming module 100 for a water rescue jacket. The propagation of the foamed foam may be delayed or may not occur due to being pressed.

The foam is sufficiently reaction and it is advantageous to secure the firing space to quickly fill the empty spaces, as CO ₂ gas is ejected from the CO ₂ cartridge (112) to drive the resin mixer 120, a resin mixer ( The CO ₂ gas passing through 120) expands the space of the smart foam module 100 for the water rescue jacket, thereby securing a space for the foam foam to move instantly.

On the other hand, the CO ₂ gas filled with the smart foam module 100 for a water rescue jacket may be gradually discharged to the water rescue jacket 1 corresponding to the outside of the smart foam module 100 for a water rescue jacket over time. For this purpose, it is preferable that the smart foam module 100 for water rescue jacket is made of a fabric material having air permeability.

Next, referring to FIG. 4, the control module 200 includes a sensor module 210, a control unit 220, a rechargeable battery 230, a solar cell array 240, a communication unit 250, an electronic valve 260, and a location. It may include a providing unit 270.

The sensor module 210 is formed in the CO ₂ cartridge 112 including a moisture sensor, a water pressure sensor, a gravity sensor, etc., so that the water structure jacket 1 having a smart foam module 100 for a water structure jacket In addition to detecting the penetration of moisture through the moisture detection sensor, when the smart foam module 100 for a water rescue jacket is exposed to a preset water pressure, a drowning risk event may be provided to the control unit 220.

When receiving the drowning risk event, the control unit 220 opens the nozzle of the CO ₂ cartridge 112 of the smart foam module 100 for a water rescue jacket through the control of the above-described electronic valve 260 to release the CO ₂ gas. By controlling the rotation of the impeller constituting the resin mixer unit 120, the separation membrane 126 that was dividing the first solution 124a and the second solution 124b inside the resin mixer unit 120 according to the rotation of the impeller is removed. You can do it. As a result of the continuous operation, the first solution 124a and the second solution 124b are mixed to initiate a foaming reaction to generate a foaming liquid, and as the foaming reaction proceeds, the resin mixer unit 120 has a foaming pressure inside the resin. The lower opener 127 of the mixer unit 120 is automatically opened, and a foaming solution in which the first solution 124a and the second solution 124b are mixed is ejected through the opened lower opener 127 to form an aqueous structure jacket (1) After filling the empty space with foam, it can be cured in foam form.

On the other hand, when receiving the drowning risk event, the control unit 220 is in proportion to the value obtained by multiplying the gravity weight set in advance to the gravity measured by the gravity detection sensor, for the pipe constituting the electronic valve 260. By performing control on open information, according to the capacity occupied by the lower body 122 of the resin mixer unit 120 proportional to the weight of the person wearing the smart foam module 100 for the water rescue jacket in advance. It can be controlled to provide CO ₂ gas.

In this case, when a small electric motor is mounted on the impeller constituting the mixer 123, the control unit 220 multiplies the electric motor weight set in advance to the gravity measured by the gravity sensor. ) By controlling to increase in proportion to one value, according to the capacity occupied by the lower body 122 of the resin mixer unit 120 proportional to the weight of the person wearing the smart foam module 100 for the water rescue jacket in advance It is possible to provide control over the number of revolutions of the electric motor.

When the cured foaming liquid is urethane foam, it has excellent heat resistance, water absorption resistance, abrasion resistance, and corrosion resistance. And the urethane foam has a tensile strength of 5 to 20 N/cm ² , an internal tearing strength of 12 to 15 N/cm, and a compressive hardness of 2.5 to 4.0 N/cm ² It is preferable to be between. In this way, it is light and shows high durability and strength so that the water rescue jacket 1, that is, the water rescue jacket 1 in a cured state inside the smart foam module 100 for water rescue jacket, can be constantly suspended on the water surface. In addition, it can be prevented from being easily damaged even when an external force is applied.

On the other hand, when the solar energy is charged to the rechargeable battery 230 with electric energy through the solar cell array 240 connected to the rechargeable battery 230, the controller 220 uses the power of the rechargeable battery 230 to provide a sensor. The module 210, the control unit 220, the communication unit 250, the electronic valve 260, and the position providing unit 270 may be controlled.

Here, the location providing unit 270 may correspond to a GPS receiving module, and by providing GPS location information to the control unit 220, time information and location information of the time when the drowning risk event occurs by the control unit 220 is transmitted to the communication unit ( 250) may be provided to a risk management server (not shown) through.

5 is a flow chart showing a control method of a smart foam module for a water rescue jacket according to an embodiment of the present invention. Hereinafter, with reference to FIG. 5, functions and operations of each component described above in FIGS. 1 to 4 will be omitted, and a method of controlling a smart foam module for a water rescue jacket will be described with a focus on unique features of the method.

The control module 200 recognizes a drowning risk event through the sensor module 210 (S11).

After the step (S11), the control module 220 opens the nozzle of the CO ₂ cartridge 112 of the smart foam module 100 for a water rescue jacket through the electronic valve 260 to convert the CO ₂ gas into the resin mixer unit 120 It is provided to control the rotation of the impeller constituting the resin mixer unit 120 (S12).

After step S12, the separation membrane 126 that was dividing the first solution 124a and the second solution 124b in the resin mixer unit 120 according to the rotation of the impeller is removed (S13).

After the step (S13), the first solution 124a and the second solution 124b start foaming through mixing (S14).

As the foaming reaction proceeds in step S14, the lower opener 127 of the resin mixer unit 120 is opened at the foaming pressure (S15).

After step (S15), the foaming solution in which the first solution 124a and the second solution 124b are mixed is ejected through the opened lower opener 127 to clear the empty space in the smart foaming module 100 for the water structure jacket. Fill with foaming solution (S16).

After step (S16), the foaming liquid filling the empty space in the smart foam module 100 for the water rescue jacket is cured (S17)

On the other hand, it is also possible to use a physicochemical method using a life jacket bobbin without using an electrical sensor module for moisture sensing. When the life jacket bobbin touches water, the cellulose component dissolves and opens the CO2 cartridge to emit carbon dioxide.The bobbin may act as a moisture sensor to initiate foaming without an electrical sensor, and this can also be utilized in the present invention. In this case, it is possible to drive without a power supply such as a solar cell and an additional sensor module.

As described above, in the present specification and drawings, a preferred embodiment of the present invention has been disclosed, and although specific terms are used, this is only used in a general meaning to easily explain the technical content of the present invention and to aid understanding of the invention. , It is not intended to limit the scope of the present invention. In addition to the embodiments disclosed herein, it is apparent to those of ordinary skill in the art that other modified examples based on the technical idea of the present invention may be implemented.

1: Water rescue jacket with smart foam module for water rescue jacket
100: Smart foam module for water rescue jacket
110: CO ₂ supply unit 120: resin mixer unit
130: inlet pipe 140: outlet pipe
200: control module 210: sensor module
220: control unit 230: rechargeable battery
240: solar cell array 250: communication unit
260: electromagnetic valve 270: position providing unit

Claims (5)

A first step of recognizing a drowning risk event through the sensor module by the control module constituting the smart foam module for the water rescue jacket;
A second step in which the control module rotates the impeller constituting the resin mixer unit for providing CO ₂ gas to the resin mixer unit by opening the nozzle of the CO ₂ cartridge of the smart foam module for the water structure jacket through the electronic valve; And
The third step of starting foaming by mixing the first solution and the second solution, which are two-component resins for foaming, after the separation membrane dividing the first solution and the second solution inside the resin mixer unit according to the rotation of the impeller is removed. ; Control method of a smart foam module for water rescue jacket comprising a.
The method according to claim 1, after the third step,
A fourth step in which the lower opener of the resin mixer unit is opened by a foaming pressure as the foaming reaction proceeds; Control method of a smart foam module for water rescue jacket, characterized in that it further comprises.
The method according to claim 2, after the fourth step,
A fifth step in which a foaming solution in which the first solution and the second solution are mixed is ejected through the opened lower opener to fill the empty space in the smart foaming module for the water structure jacket with the foaming solution; Control method of a smart foam module for water rescue jacket, characterized in that it further comprises.
The method according to claim 3, after the fifth step,
A sixth step of curing the foaming liquid filling the empty space in the smart foaming module for the water rescue jacket; Control method of a smart foam module for water rescue jacket, characterized in that it further comprises.
The method according to claim 1, wherein the two-component resin for foaming in the third step,
A method of controlling a smart foam module for a water structure jacket, characterized in that the first solution is a two-component urethane foam resin and the second solution contains a curing agent and a foaming agent.

Images