KR200310736Y1 - Electric Boiler Mat using Porous Fire Retardancy Compressed Fiber - Google Patents

Abstract

The present invention impregnates the liquid heat storage material in the porous flame retardant compressed fiber and inserts it into the heating pipe, thereby converting the heated heat storage material from the liquid phase to the gaseous state, thereby heating the entire heating pipe evenly in the shortest time and improving heating efficiency. An electric boiler mat that can be made. The main configuration of the present invention and the heat insulating member is installed on the floor; A heating pipe having a tube body of a predetermined shape, a blocking cap for sealing both ends of the tube body, and a heating wire inserted into the tube body to generate heat when electricity is supplied; A heat transfer plate installed on an upper portion of the heating pipe; In the conventional electric boiler mat composed of a finishing material layer installed on the upper portion of the heat transfer plate,

The pipe of the heating pipe is inserted with a flame-retardant fiber impregnated with the heat storage material heated by the heat generated from the heating wire wraps around the heating wire, when the pressure inside the pipe is higher than a predetermined pressure to supply power to the heating wire The blocking bimetal is inserted.

Description

Electric Boiler Mat using Porous Fire Retardancy Compressed Fiber}

The present invention relates to an electric boiler mat using porous flame retardant compressed fibers. More specifically, the heat accumulating material is impregnated into a porous flame retardant compressed fiber and inserted into a heating pipe, thereby heating the heat accumulator material from liquid to gas phase. By converting the heating pipe evenly in the shortest time to provide an electric boiler mat that can improve the heating efficiency.

In the conventional electric boiler, heater wires are arranged in the mat to generate heat by power supply, and provide heating effect by using relatively cheap electricity instead of expensive fuel such as oil and gas.

However, since the structure of the conventional electric boiler mat has a structure in which the heater wire is simply arranged in the mat, there is a disadvantage in that it has no function other than heating and heat transfer functions. In addition, since heat generation and heat generation maintenance of the heater wire are dependent only on the power supply, there is a problem in that power consumption is relatively large in order to maintain the temperature rise and the elevated temperature for a long time.

In order to solve this problem, a heating pipe containing solid or liquid heat storage material through which a heat wire passes in place of a heating wire is arranged in a mat to heat the heat storage material as heat generated from the heat wire, and use the heated heat storage material. The temperature of the electric boiler was raised.

However, it takes a relatively long time to heat the heat storage material contained in the heating pipe, the initial heating efficiency is delayed for a certain time, as well as there is a problem that excessive power is consumed because the entire heat storage medium is heated.

Accordingly, an object of the present invention is to impregnate the liquid heat storage material into the porous flame retardant compressed fiber and then inserting the heat storage material into the heating pipe to change the state of the heated heat storage material from the liquid phase to the gas phase to evenly heat the entire heating pipe in the shortest time. An object of the present invention is to provide an electric boiler mat using porous flame retardant compressed fibers that can improve heating efficiency.

Another object of the present invention is to provide an electric boiler mat that can significantly reduce the weight by reducing the amount of heat storage material inserted into the heating pipe.

1 is a cross-sectional view of a heating pipe for an electric boiler mat according to an embodiment of the present invention.

2 is a coupled state of the electric boiler mat according to an embodiment of the present invention.

3 is a coupled state of the heating pipe installed in the ondol room according to an embodiment of the present invention.

<Description of the reference numerals for the main parts of the drawings>

1: heating pipe 2: pipe

3: blocking cap 4: wire

5: heating wire 6: flame retardant fiber

7: bimetal 8: temperature sensor

9: temperature controller

The main configuration of the electric boiler mat using the porous flame-retardant compressed fiber of the present invention devised to achieve the above object is an insulating member installed on the floor; A heating pipe having a tube body of a predetermined shape, a blocking cap for sealing both ends of the tube body, and a heating wire inserted into the tube body to generate heat when electricity is supplied; A heat transfer plate installed on an upper portion of the heating pipe; In the conventional electric boiler mat composed of a finishing material layer installed on the upper portion of the heat transfer plate,

The pipe of the heating pipe is inserted into the pipe of the flame retardant material impregnated with the heat storage material heated by the heat generated from the heating wire wrapped around the heating wire, the power supplied to the heating wire when the pressure inside the pipe is a predetermined pressure or more The blocking bimetal is inserted.

Preferably, a temperature sensor for measuring the temperature of the heating pipe is installed outside the heating pipe, and a temperature controller for controlling the power supplied to the heating wire according to the temperature value detected by the temperature sensor is further installed. do.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings as an embodiment of the present invention.

1 is a cross-sectional view of a heating pipe for an electric boiler mat according to an embodiment of the present invention, Figure 2 is a coupling state of the electric boiler mat according to an embodiment of the present invention, Figure 3 is an embodiment of the present invention According to the combined state of the heating pipe installed in the ondol room.

As shown in FIG. 1, the heating pipe for an electric boiler mat according to one embodiment of the present invention includes a tubular body 2 having a predetermined length, a blocking cap 3 for sealing both ends of the tubular body 2, and a tubular body. (2) a heat-retardant compressed fiber filled in the tubular body (2) while encapsulating the heating wire in a state impregnated with the heating wire (5) and heat storage material impregnated with a heat storage material (not shown) so as to be insulated in the interior; It consists of (6). Moreover, the bimetal 7 which measures a temperature and a pressure is provided in the tubular body 2.

In addition, outside the tube 2, a temperature sensor 8 for measuring an external temperature and a temperature controller 9 connected to the bimetal 7 and the temperature sensor 8 to control a power supply are installed.

The tubular body 2 is manufactured from Excel, PPC, a metal plate, etc. which can withstand high temperature and high pressure of 100 degreeC or more, and has heat resistance, durability, and corrosion resistance. In particular, it is preferable to use a material that can withstand the increased pressure as the liquid heat storage material is converted to a gas state.

The blocking cap 3 is made of rubber or the like, and is completely sealed so that the heat storage material contained in the tubular body 2 does not leak out even after being heated with gas. At this time, the blocking cap and the tube can be completely sealed using silicon or the like. On the other hand, the blocking cap 3 is formed with perforations so that the wires 4 and the bimetal 7 can pass while maintaining airtightness.

The hot wire 5 is embedded in the tube after a triple protective film insulation treatment such as a silicon coating is applied on a conductor such as a nichrome wire or a copper wire.

The flame retardant fiber 6 is a fiber containing a high-density, porous and flame retardant properties, such as cotton, non-woven fabric, cotton, etc., is filled in the tubular body 2 in the form of wrapping the hot wire (5), porous flame retardant compression Preference is given to using fibers. At this time, the porous flame-retardant fiber is a pore is formed between the fiber and the fiber is to be impregnated with the heat storage material described later in the pores to perform an auxiliary role to easily change the state from the liquid state to the gas state. Therefore, when the density of the flame retardant fibers is significantly increased, it is difficult to disperse the heat storage material, and when the density of the fiber is low, the heat storage material is not dispersed and entangled.

On the other hand, the flame retardant fibers 6 are filled with heat storage materials such as water, salt solution, and a mixture of water and sodium acetate. Such heat storage materials can be used differently depending on the pore volume indicating the extent to which the aggregate of flame retardant fibers contains air. That is, when the pore volume is 0, it means a state in which the heat storage material is not impregnated at all, and when the pore volume is 100%, it means a state in which the heat storage material is completely impregnated in the fiber. If impregnated to less than 20%, it may be difficult to raise the heating pipe to a temperature that can be used for mats or boilers as a small amount of heat storage material.If the heat storage material is used more than 80% of the pore volume, the heated heat storage material is difficult to vaporize. Therefore, there is a disadvantage in that the heating time and power consumption are more required. On the other hand, the heat storage material may be used a variety of heat storage materials commonly used in electric boilers, including water, salt solution.

In this way, the heat storage material filled in the flame retardant fiber 6 is heated by the heating wire 5 to increase the temperature, and due to the continuous heating of the heating wire 5 is converted into a gaseous state from the liquid state. Through this change of state, the gaseous heat storage material moves evenly inside the pipe and evenly increases the temperature of the whole pipe, and the latent heat contained in the liquid is released as it is converted into a liquid state, thereby maintaining the temperature inside the pipe for a long time. have.

The bimetal 7 is installed inside the tubular body 2 through the blocking cap 3 and measures the temperature and air pressure inside the tubular body 2 to cut off the power supplied to the heating wire 5. Such bimetal 7 can automatically shut off the power by measuring the temperature and pressure (especially atmospheric pressure) of the heat storage material changed from the liquid phase to the gaseous phase, so that the heat storage material on the pipe body 2 is heated to a predetermined temperature or pressure. (2) or it can prevent to affect the blocking cap (3).

The temperature sensor 8 is installed outside the tube and is connected to a temperature controller 9 for controlling the temperature of the electric boiler.

The thermostat 9 has a power plug connected to an external power supply source (not shown), and is provided with an electric wire 4 extending into the tubular body 2 and connected to the heating wire 5 through the perforation of the blocking cap. .

Referring to Figure 2 will be described the installation state of the electric boiler mat of the present invention.

As shown in the drawing, the electric boiler mat 11 of the present invention has a heat insulating member 12 having a heat insulating property such as polyupetane foam at the bottom, and has a constant thickness, and a heating pipe 1 is installed on the heat insulating member 12. A zigzag-shaped hose accommodating portion 13 is formed.

In the hose accommodating part 13 formed on the heat insulating member 12, the heating pipe 1 is arranged in the shape of the hose accommodating part 13, and a heat transfer plate 14 is installed on the heating pipe 1. At this time, the heat transfer plate 14 is a metal plate material having excellent thermal conductivity is used.

Thereafter, the upper portion of the heat transfer plate 14 is finished with a mat layer 15 to complete the electric boiler mat 11.

On the other hand, the temperature sensor 8 for sensing the temperature is installed on the outside of the heating pipe 1 or the heat transfer plate 14, the temperature sensor 8 is in the temperature controller 9 for adjusting the amount of heat generated by the heating pipe (1). It is connected.

With reference to Figure 3 looks at with respect to the electric boiler installed in the ondol room according to another embodiment of the present invention.

As shown, the electric boiler 21 is formed in a straight and curved hose receiving portion (not shown) in a zigzag form at the bottom of the ondol room 22, the heating pipe 1 is accommodated according to the shape of the hose receiving portion. .

Thereafter, a heat transfer plate 23 for transferring heat generated from the heating pipe is installed on the heating pipe 1, and the plastering material 24 and the finishing material 25 are installed on the heat transfer plate 23, thereby providing electricity. The ondol room equipped with the boiler 21 is formed. At this time, the temperature sensor 8 is installed on the heat transfer plate 23 that is outside the heating pipe to sense the temperature of the heat transfer plate 23.

The temperature controller 9 is installed on one side of the wall to adjust the power supplied to the wires 4 installed between the heating pipes 1.

As such, the heating pipe 1 installed in the electric boiler mat 11 or the electric boiler 21 illustrated in FIGS. 2 and 3 is a heating wire 5 embedded in the tubular body 2, as shown in FIG. 1. When the power is supplied, the heat accumulating material impregnated in the porous flame retardant fiber 6 surrounding the hot wire by heating the heat wire 5 is heated to increase the temperature of the heat storage material. As the temperature of the heat storage material rises, the heat storage material is vaporized from the liquid state to the gas state and then evenly distributed inside the tubular body 2 through the porous of the flame retardant fiber 6.

Through this process, the heat of the heating pipe 1 whose temperature rises is transferred to the outside through the heat transfer plates 14 and 23 to provide a heating function.

On the other hand, as the heat storage material is vaporized, the temperature and pressure generated in the tubular body 2 are measured by the bimetal 7 to automatically cut off the power supplied to the heating wire 5 when the set temperature and pressure are exceeded.

<Example>

In order to examine the heating efficiency of the heating pipe of the present invention, five 10m pipes formed of excel pipes of 15mmØ are arranged in a zigzag form at a room temperature of 7 to 8 ℃, and reciprocating a nichrome heating wire of 20W / H per 1m inside the pipes. 15 volumes of the heat storage material consisting of water and acetic acid soda to a polyester compression volume of 20g of each 10m arranged in two rows, and 600cm ³ cotton 1000g, based on the internal volume of the tube% (volume corresponding to 1.5m in the tube 10m), 22 volume% (volume equivalent to 2.2 m in 10 m tubular) and 29 volume% (volume corresponding to 2.9 m in 10 m tubular) were impregnated, respectively. The average temperature after 30 minutes was measured several times by inserting a digital thermometer between the third and fourth of the heating pipe, and is shown in Table 1.

Heating pipe (amount of heat storage material) Temperature (℃) 15% impregnated heating pipe 73-75 22% impregnated heating pipe 70-73 29% impregnated heating pipe 67-70

Comparative Example

Insert the same heating wire into the same tube as in the example, fill only 100% of the heat storage material with no flame retardant fibers, and insert the digital thermometer between the third and fourth of the heating pipe, and then the average temperature after 30 minutes has elapsed several times. Measured.

As a result of the measurement, it was found that after about 30 minutes of power supply, the temperature was raised to a temperature of 37 to 39 ° C.

As shown in the above experiments, the heating pipe of the present invention can reach a high temperature for a short time compared with the heating pipe made of a general heat storage material, so it is very suitable to be used as a heating pipe of an electric boiler mat or an ondol boiler. It can be seen that the power consumption to reach the required temperature is reduced.

Although the preferred embodiments of the present invention have been described in detail above, those of ordinary skill in the art to which the present invention pertains without departing from the spirit of the present invention as defined in the appended claims. All changes or modifications to the design will fall within the scope of the present invention.

As described above, the heating pipe for the electric boiler of the present invention is the heat storage material impregnated in the flame-retardant compressed fiber in the liquid state is converted from the liquid state to the gas phase to heat the entire heating pipe evenly in the shortest time, and improve the heating efficiency. There is an advantage.

In addition, by using the porous fiber, the process of vaporizing or condensing the heat storage material through the porous of the fiber can be easily repeated.

In addition, since the heat storage material contained in the heating pipe is reduced, the weight of the electric boiler mat is remarkably reduced.

Claims (6)

An insulating member installed on the floor; A heating pipe having a tube body of a predetermined shape, a blocking cap for sealing both ends of the tube body, and a heating wire inserted into the tube body to generate heat when electricity is supplied; A heat transfer plate installed on an upper portion of the heating pipe; In the conventional electric boiler mat composed of a finishing material layer installed on the upper portion of the heat transfer plate, A flame retardant fiber impregnated with a heat storage material is inserted into the tube of the heating pipe while enclosing the heating wire, and a bimetal is inserted to cut off the power supplied to the heating wire when the temperature and pressure inside the tube are higher than a predetermined temperature and pressure. An electric boiler mat, characterized in that. According to claim 1, wherein the outside of the heating pipe is a temperature sensor for measuring the temperature of the heating pipe and a temperature controller for controlling the power supplied to the heating wire in accordance with the temperature value detected by the temperature sensor is further installed. Electric boiler mat made with. 2. The electric boiler mat according to claim 1, wherein the flame retardant fiber is any one selected from porous silk, nonwoven fabric and cotton. 2. The electric boiler mat according to claim 1, wherein the heat storage material impregnated in the flame retardant fiber is 20 to 80% of the pore volume of the flame retardant fiber. In a heating pipe for a conventional electric boiler having a tubular body of a predetermined shape, a blocking cap for sealing both ends of the tubular body, and a heating wire inserted into the tubular body to generate heat when electricity is supplied, Inside the tube, a flame retardant fiber impregnated with a heat accumulating material heated by heat generated by the heating wire is inserted while surrounding the heating wire, and when the pressure inside the tube is higher than a predetermined pressure to cut off the power supplied to the heating wire. Heating pipe for electric boiler, characterized in that the bimetal is further inserted. The heating pipe for an electric boiler according to claim 5, wherein the heat storage material impregnated in the flame retardant fiber is 20 to 80% of the pore volume of the flame retardant fiber.