WO2015012503A1

WO2015012503A1 - Sealing apparatus for electrothermal hot water pipe for heating

Info

Publication number: WO2015012503A1
Application number: PCT/KR2014/005841
Authority: WO
Inventors: 황명희; 권영덕; 이범년
Original assignee: Hwang Myeong Hee
Priority date: 2013-07-24
Filing date: 2014-07-01
Publication date: 2015-01-29
Also published as: KR20150012018A; KR101514052B1

Abstract

The present invention relates to a sealing apparatus for an electrothermal hot water pipe for heating, the sealing apparatus for an electrothermal hot water pipe being installed in the direction of a wire inlet at ends of the electrothermal hot water pipe so as to prevent short circuits and water leaks caused by the expansion of a heating medium or external temperature difference and also prevent the damage of a hot wire coupling structure, and provides a sealing apparatus for an electrothermal hot water pipe for heating which seals both ends of the hot water pipe of a heating apparatus employing electric water heating, actively responds to the deformation of the hot water pipe caused by a temperature change so as to prevent water leaks and short circuits, prevents the damage of the hot water pipe and the problem of defective electrical coupling caused by external temperature difference, and facilitates the injection and discharge of a heating medium filled inside the hot water pipe.

Description

Sealing device for heating hot water pipes

The present invention relates to a sealing device for an electric heating hot water pipe for heating, and is installed in the direction of the electric wire inlet on the end side of the electric heating hot water pipe, to prevent leakage and leakage due to expansion of the heat medium or an external temperature difference, and to prevent breakage of the hot wire coupling structure. It is about the sealing device of the electrothermal hot water pipe to make.

Conventional heating devices or boilers are heated by burning fossil fuels such as gas, oil or coal to heat water to continuously circulate the heated water in a place where heating is required, but in the case of such heating devices, primary heat transfer Since water that is used as a medium must first be heated and discharged to perform secondary heat transfer through a metal pipe or a plastic pipe disposed in a heating area, heat dissipation and heat energy transfer efficiency are low, and fuel costs are high.

Therefore, various methods for increasing heat efficiency by rapidly transferring heat at low fuel cost have been proposed, and recently, electric hot water heating type using electric energy has been widely used.

The electric hot water heating device has a method of heating the hot water pipe by heating the heat medium by heating the heat medium and at the same time by embedding the heat medium in the hot water pipe, and such electric heating heating is easy to install, The structure is simple, the heat efficiency is high, and there is an advantage that the heating cost can be reduced by heating using electricity having a relatively low energy cost.

However, in the electric hot water heating device, the heat medium inside the hot water pipe is easy to expand due to the temperature rise inside the hot water pipe, and therefore, water leakage is likely to occur in the sealed hot water pipe, and excessive expansion pressure is caused by a metallic material or a synthetic material. There is also a risk of damaging the resin hot water pipe.

In addition, leakage of heat medium and leakage of hot wire and external wire connection are often caused by high temperature difference between the outside temperature of winter season and the inside of hot water pipe, and various physical configurations are introduced to solve these problems. As a result, the structure is complicated, and manufacturing costs and production time are difficult to consume.

Therefore, the present invention is devised to solve such a problem, an object of the present invention is to seal both ends of the hot water pipe of the electric hot water heating heating device, and to actively cope with the deformation of the hot water pipe according to the temperature change leakage and leakage To prevent the phenomenon, and also to prevent the hot water pipe breakage and electrical coupling failure problems due to the external temperature difference in advance, and to provide a sealing device for the heating hot water pipe for heating to facilitate the injection and discharge of the heat medium filled inside the hot water pipe. To do this.

The constitution of the sealing device of the heating electrothermal hot water pipe of the present invention for solving the above problems is a hot water pipe in which a heating wire is built, and filled with a heating medium for dissipating the heat of the heating wire to the outside of the hot water pipe, and electric power to the heating wire. The power line passing through the through is passed through, the thermal expansion absorbing tube for buffering the thermal expansion generated during the heating of the hot water pipe, and the end of the heat medium injection or discharge is formed, one end of the hot water pipe and one end of the thermal expansion absorption pipe A T-type connecting tube connected to the tube and fixed to the airtight, a closing cap connected to the other end of the thermal expansion absorbing tube and sealed to maintain airtightness, and an inside of one end of the thermal expansion absorbing tube coupled to the T-type connecting tube. A first silicone stopper disposed, a second silicone stopper disposed inside the other end of the thermal expansion absorber tube engaged with the closing cap, and the thermal expansion Is disposed in the interior of the suction pipe, it characterized in that it comprises a safety device of the closed type connecting two electrically coupling the heating line and the power line.

Here, the inside of the thermal expansion absorption tube is to be maintained in a low pressure or a vacuum state so that the pressure change therein can not be made by the temperature change of the hot water pipe.

In addition, the sealed double safety connection device is a configuration for electrically coupling the power line drawn into the thermal expansion absorption tube and the heating line protruding from the outside of the hot water pipe, the power line and the heating line to the compression sleeve of the heat shrink tube type It is composed of a sealing vacuum pack for pressing and fixing, and vacuum sealing a portion of the heating line and the power line protruding to the outside of the compression sleeve and the compression sleeve.

In addition, the heating wire is a heat material made of nichrome or tungsten, a sheathed tube made of silicon material which insulates and covers the hot wire, and an PE material covering the outside of the sheathed tube and arranging a pair of hot wires in parallel at regular intervals. It characterized by consisting of the H-type covering member.

According to the structure of the sealing device of the heat transfer hot water pipe for heating according to the present invention, even if the heating wire is heated to increase the volume of the heat medium inside the hot water pipe and the pressure is increased, it is elastically buffered by the thermal expansion absorption tube as described above. It is possible to prevent leakage of the heat medium from the inside of the hot water pipe, to prevent damage of the hot water pipe itself by pressure, and also to prevent deformation of the heat and breakage of the electrical coupling at the source.

In addition, since the structure is relatively simple, production and equipment work are easy, and the effect of reducing work time and manufacturing cost can also be expected.

1 is a view showing an embodiment of a sealing device of a heat transfer hot water pipe for heating of the present invention.

Figure 2 is a view showing an embodiment of the sealing device of the heat transfer hot water pipe for heating of the present invention.

3 is a view showing the sealed double safety connection device of FIG.

Figure 4 is a view showing an embodiment of the sealing device of the heat transfer hot water pipe for heating of the present invention.

5 is a view showing the configuration of a heating wire disposed in the heating electrothermal hot water pipe.

The constitution of the sealing device of the heating electrothermal hot water pipe of the present invention, the heating wire is built-in, the hot water pipe is filled with a heat medium that discharges the heat of the heating wire to the outside of the hot water pipe, and the power line for transmitting power to the heating wire penetrates, A thermal expansion absorbing tube for buffering thermal expansion generated when the hot water pipe is heated, and an end portion for heating or discharging the heat medium is formed in the center, and is connected to one end of the hot water pipe and one end of the thermal expansion absorbing pipe to be tightly fixed. A connection cap, a closing cap connected to the other end of the thermal expansion absorber and sealing to maintain airtightness, a first silicone stopper disposed inside one end of the thermal expansion absorber and coupling with the T-shaped connection tube; A second silicone stopper disposed inside the other end of the thermal expansion absorbing tube to be coupled to the finishing cap, and disposed inside the thermal expansion absorbing tube; And a sealed double safety connection device for electrically coupling the heating line and the power line.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of the sealing device of the heat transfer hot water pipe for heating of the present invention will be described in detail.

1 is a cross-sectional view showing an embodiment of the sealing device of the heating electrothermal hot water pipe of the present invention, as shown in Figure 1, the sealing device of the heating electrothermal hot water pipe according to the present invention is a heat medium and the latent heat material 80 ~ The hot water pipe 1 of the Excel pipe (XL pipe) structure filled with about 90% and the thermal expansion absorbing pipe (2) capable of elastically buffering the thermal expansion when the hot water pipe (1) is heated are connected to each other. .

One end of the thermal expansion absorbing tube (2) has a connector (3) made of copper (Cu) to connect and fix the end of the hot water pipe (1) to maintain hermeticity. Threads are formed at both ends of the head), and the threads are engaged with the screw holes formed inside the ends of the hot water pipe 1 and the thermal expansion absorbing pipe 2, respectively.

In addition, the other end of the thermal expansion absorbing tube (2) is connected to the end cap (4) made of copper sealing to maintain the airtight inside the thermal expansion absorbing tube (2), the connection connector (3) and the through hole is formed in the center of the closing cap (4) so as not to interfere with the power line connection configuration.

Further, a first silicone stopper 5 is sealed between the inner side of the end of the hot water pipe 1 and the coupled inner side of the connecting connector 3 to prevent leakage of the heat medium from the inside of the hot water pipe 1. The second silicone stopper 6 is sealed between the inner side of the end of the thermal expansion absorbing tube 2 and the combined inner side of the closing cap 4.

The first silicon stopper 5, the second silicon stopper 6, and the closing cap 4 are formed with a plurality of through holes through which a cold lead 7 penetrates. ) Is forcibly inserted to supply external power to the heating line 8 formed inside the hot water pipe 1 via the closing cap 4 and the thermal expansion absorbing tube 2.

In addition, the thermal expansion absorption tube (2) may be made of silicon or rubber, or a metal material using bimetal (bimetal), which is easily stretchable according to temperature, and may also be used to change the temperature of the hot water pipe 1. Therefore, even if the thermal expansion absorbing tube 2 is elastically cushioned, it is desirable to keep the pressure in a low pressure or a vacuum state so that internal pressure changes cannot be made, which prevents an accident such as a leak or a breakdown of the heating device by freezing in winter. can do.

FIG. 2 illustrates the electrical coupling configuration of the power line 7 and the heating line 8 in detail with respect to the configuration of the sealing device of the heating hot water pipe for heating shown in FIG. 1, and as shown in FIG. 2, the hot water pipe 1 is illustrated. A plurality of heating lines 8 are formed therein, and a plurality of power lines 7 drawn out from the thermal expansion absorbing tube 2 are electrically connected to the respective heating lines 8, and the heating lines 8 are power lines. The electric energy applied from (7) converts electrical energy into thermal energy inside the hot water pipe 1.

At this time, the electrical coupling of the power line 7 and the heating line 8 is connected by a sealed double safety connection device, the details of the sealed double safety connection device will be described with reference to FIG.

First, the power line 7 drawn into the hot water pipe 1 through the thermal expansion absorbing tube 2 is electrically coupled to the heating wire 8 inside the hot water pipe 1 through the crimp sleeve 9, and the crimp sleeve (9) is a primary safety device in the form of a heat shrink tube, the power line (7) and the heating line (8) by crimping to secure the electrical coupling more firmly.

In addition, the power line 7 and the heating line 8 of the outside of the pressing sleeve 9 and both ends of the pressing sleeve 9 are protected by a sealing vacuum pack 10 as a secondary safety device, which is a power line 7 and In order to completely seal the heating line 8 and the entire pressing sleeve 9, the inside of the air is removed from the inside of the sealing vacuum pack 10 so as to maintain a vacuum state and adhesively sealed using heat sources at both ends thereof. .

That is, the sealed double safety connection device of Figs. 2 and 3 is composed of the compression sleeve (9) and the sealing vacuum pack 10 as described above, which is a heating wire (8) and a power line (the inside of the hot water pipe 1) ( 7) is connected to protect it from the heat source, and the sealed vacuum connection prevents the oxidation and disconnection of the connection terminal according to the external connection method such as the existing hot water pipe, and the sealed vacuum connection of the power line 7 and the heating line 8 At the same time, it can prevent the short circuit or the fire accident due to the temperature variation inside the heating hot water pipe.

Figure 4 shows another embodiment of the sealing device of the heating electrothermal hot water pipe described in Figures 1 to 3, as shown in Figure 4, the sealing device of the heating electrothermal hot water pipe according to the present invention is a heat medium The hot water pipe (1) filled with water and latent heat material of about 80 to 90% and one end of the hot water pipe (1) is connected to one end of the T-shaped connecting pipe (11) made of a "T" shape, the T The other end of the type connecting pipe 11 is a form in which a thermal expansion absorbing tube 2 capable of elastically buffering thermal expansion from heating of the hot water pipe 1 is connected.

The T-shaped connecting pipe 11 has a first end coupled with one end of the hot water pipe 1, and a second part disposed at the center thereof to perform heat injection or discharge into the hot water pipe 1, and the like. An end portion and a third end portion that engage with the thermal expansion absorbing tube 2 are formed, respectively, and a through hole communicating with the first to third end portions is formed therein.

That is, the T-shaped connector 11 of FIG. 4 is another application form of the connector 3 of copper (Cu) material shown in FIGS. 1 and 2, and each end of the T-shaped connector 11 is also provided. A screw thread is formed on the outer side of the screw thread, and the screw thread is engaged with a screw hole formed inside an end of the hot water pipe 1 and the thermal expansion absorbing pipe 2 and connected to each other.

In addition, between the inside of the end of the T-shaped connection pipe 11 and the inside of the end of the thermal expansion absorbing pipe (2), the agent for preventing leakage of the heat medium injected from the inside of the hot water pipe (1) or the second end The silicone plug 5 of 1 is sealed, and the inside of the other end of the thermal expansion absorbing tube 2 coupled with the closing cap 4 for maintaining the airtightness inside the thermal expansion absorbing tube 2 is combined. The second silicone stopper 6 is sealed in between.

In addition, as described above, the first silicon plug 5, the second silicon plug 6, and the closing cap 4 are configured with a plurality of through holes through which the power line 7 penetrates. The power line 7 is forcibly inserted into the power line, and the external power is connected to the heating line 8 of the hot water pipe 1 through the closing cap 4 and the thermal expansion absorbing tube 2, and the heating wire of the hot water pipe 1. (8) is a form protruding from the inside of the hot water pipe (1), the electrical connection with the power line (7) is made inside the T-shaped connecting pipe (11).

The electrical coupling between the power line 7 and the heating line 8 in FIG. 4 is made by the sealed double safety connection device shown in FIG. 3 configured inside the thermal expansion absorber tube 2, and furthermore, the T-type connecting tube 11. On the second end side for injecting and discharging the heat medium into the hot water pipe 1 from the outside, a bio-ceramic bimetallic device interlocking with the exact temperature and pressure of the heat medium is attached to reduce the occurrence of excessive temperature deviation and control the accurate temperature and pressure. Can be configured to do this.

In addition, although not shown, the T-type connecting pipe 11 may be connected to a control valve in the form of a ball valve or a pin valve for easily conducting heat medium injection from the outside, the hot water pipe (1) through the control valve In order to maintain the proper amount of the heat medium in the hot water pipe (1) when the heat medium filled in the lack of heat medium can be supplemented by further injecting the shortage of the heat medium from the outside, if the heat medium is in an over-filled hot water pipe (1) It is possible to artificially discharge the heat medium inside.

In addition, although not shown, each end of the T-shaped connection pipe 11 may be additionally configured to prevent the leakage of the elastic material to prevent leakage of the heat medium, and also of the threads of the first to third ends The leakage preventing tape and the like may be further configured on the outside, which may be converted into various forms for preventing leakage, and may be selectively applied by those skilled in the art according to the present invention.

FIG. 5 is a view illustrating a configuration of the heating line 8 disposed in the heating electrothermal hot water pipe 1 and shows side and top surfaces, respectively.

As shown in FIG. 5, the heating wire 8 includes a heating wire 12 made of nichrome or tungsten, which is commonly used as a heating element, a sheathing tube 13 made of an insulating material for insulating and coating the heating wire 12, and It is composed of an H-type covering member 14 made of polyethylene (PE) material which surrounds the outside of the heating wire 12 and the covering tube 13 and can arrange the pair of heating lines 8 in parallel at regular intervals.

In the H-shaped covering member 14 of FIG. 5, the distance between the pair of heating wires 12 and the covering tube 13 is fixed at the same time, and a fixed gap hole 15 is formed at the center thereof. The gap hole 15 is formed to facilitate the flow of the heat medium inside the hot water pipe 1, and the adjustment of the size, shape, size or number can be selected and adjusted according to the flow rate of the heat medium.

As mentioned above, although it demonstrated with reference to drawings according to the preferred embodiment for implementing this invention, the scope of a present invention is not limited to the above-mentioned description and embodiment, As long as it is included in the range equivalent to an embodiment of this invention, Various modifications can be made by those skilled in the art without departing from the spirit of the invention as claimed in the claims.

Claims

A hot water pipe having a heating wire therein and filled with a heating medium for dissipating the heat of the heating wire to the outside of the hot water pipe,

A thermal expansion absorbing tube through which a power line for transmitting electric power to the heating line penetrates and buffers thermal expansion generated when the hot water pipe is heated;

A T-shaped connecting tube having an end portion for injecting or discharging the heat medium in the center thereof and connected to one end of the hot water pipe and one end of the thermal expansion absorbing pipe to be hermetically fixed;

A closing cap connected to the other end of the thermal expansion absorbing tube and sealed to maintain airtightness;

A first silicone stopper disposed inside one end of the thermal expansion absorbing tube for engaging with the T-shaped connecting tube;

A second silicone stopper disposed inside the other end of the thermal expansion absorbing tube coupled to the closing cap;

And a sealed double safety connection device disposed inside the thermal expansion absorbing tube and electrically coupling the heating line and the power line.
The method of claim 1,

The inside of the thermal expansion absorption tube, the heating device of the heat transfer hot water tube for heating, characterized in that to maintain a low pressure or a vacuum state so that the internal pressure change can not be made by the temperature change of the hot water pipe.
The method of claim 1,

The sealed double safety connection device is a configuration for electrically coupling the power line drawn into the thermal expansion absorption tube and the heating line protruding from the outside of the hot water pipe,

Press-fit the power line and heating line with a crimp sleeve in the form of a heat shrink tube,

Sealing device of the heating hot water pipe for heating, characterized in that consisting of a sealing vacuum pack for sealing a certain portion of the heating wire and the power line protruding to the outside of the compression sleeve and the compression sleeve.
The method of claim 1,

The heating wire,

Hot wire made of nichrome or tungsten,

A silicone sheathing tube for insulating and covering the hot wire;

Covering the outside of the covering tube, the sealing device of the heating hot water pipe for heating, characterized in that consisting of a H-type covering member of a PE material arranged in parallel at a predetermined interval in parallel.