KR102038892B1 - Heater device for hot water boiler using polytetrafluoroethylene planar heat line - Google Patents

Abstract

The present invention relates to a heater device for a hot water boiler, using a polytetrafluoroethylene (PTFE) planar heat line and, more specifically, to a heater device for a hot water boiler, using a PTFE planar heat line, capable of maximizing electric power efficiency by designing as wide area heating on the surface per a unit area as possible, using an alloy planar heat line in which chrome iron (Fe+Cr) and a PTFE film which is an insulation material are thermally compressed. To achieve the purpose of the present invention, according to the present invention, the heater device for a hot water boiler, using the PTFE planar heat line includes: a heater body having a shaft connection unit to which a fixing shaft is connected at the center, wherein the heater body also has multiple first heat line penetration hole in which the PTFE planer heat line penetrates the outer circumference of the shaft connection unit; a fixing shaft in which one end is connected to the shaft connection unit of the heater body to be detached; a jig plate fixed by a fixing nut by being penetrated in at least one or more holes in the longitudinal directions of the fixing shaft and having a first shaft penetration hole in which the fixing shaft penetrates the center, wherein the jig plate has multiple second heat line penetration holes on the outer circumference of the first shaft penetration hole and the PTFE planar heat line penetrates the multiple second heat line penetration holes; the PTFE planar heat line emitting the heat by being enclosed in a U-shape on the second heat line penetration hole of the jig plate; and an outer cover having multiple water circulation holes in the longitudinal direction by enclosing the outer side of the PTFE planar heat line.

Description

Heater device for hot water boiler using polytetrafluoroethylene planar heat line}

The present invention relates to a heater device for a hot water boiler using a PTFE plane heating wire, and more specifically, on the surface per unit area by using an alloy plane heating wire heat-compression-bonded iron chromium (Fe + Cr) and PTFE (polytetrafluoroethylene) film as a heat insulating material The present invention relates to a heater device for a hot water boiler using a PTFE plane heating wire designed to maximize the power efficiency by designing the heat generating area as large as possible.

In general, the electric heater has been used to inject a nichrome wire and an insulator in the center of the pipe using a stainless steel pipe as shown in FIG. However, such an electric heater has a significantly lower total heat generation energy than the use of electricity due to a short circuit of nichrome wire and foreign matter and corrosion on the surface of the electric heater when used for a long time.

Therefore, the heater must be replaced regularly after a certain period of time, but the reality is that it is only replaced when the heater is short-circuited.

In addition, a heater made of a stainless steel pipe or a copper pipe has a problem in that deformation and destruction of metal structure occurs when the pipe is compressed and molded, and the life of the heater is shortened by cracking and corrosion caused by stress when the heater is put into water. There is this.

Korea Utility Model Registration No. 20-0216110 has been registered.

The present invention has been made to solve all the problems of the prior art as described above, the object of the technical configuration of the present invention is an alloy planar heating wire heat-compression-bonding iron chromium (Fe + Cr) and PTFE (polytetrafluoroethylene) film as a heat insulating material It is to provide a heater device for a hot water boiler using a PTFE plane heating wire to maximize the power efficiency by designing the area that generates heat from the surface per unit area as large as possible.

According to an aspect of the present invention, there is provided a heater body in which a shaft coupling portion having a fixed shaft is coupled to a center thereof and a plurality of first heating wire through-holes through which a PTFE plane heating line passes through the outer peripheral surface of the shaft coupling portion are formed; A fixed shaft having one end detachably coupled to the shaft coupling portion of the heater body; At least one penetrating in the longitudinal direction of the fixed shaft is fixedly coupled by a fixing nut, a first shaft through-hole is formed in the center of the fixing shaft, a plurality of PTFE planar heating wire through the outer peripheral surface of the first shaft through hole A jig plate having a second hot wire through hole formed therein; A PTFE flat heating wire wound around the second heating wire through-hole of the jig plate to radiate heat; It provides a heater device for a hot water boiler using a PTFE plane heating wire, including; the outer cover surrounding the outside of the PTFE plane heating wire, the outer cover is formed with a plurality of water circulation holes in the longitudinal direction.

In addition, one end of the heater body is provided with a cable connecting portion for connecting the power cable, the power cable and the PTFE plane heating wire connected to the cable connecting portion is characterized in that the pressing connection through the connection terminal.

In addition, the outer side of the connection terminal is characterized in that the PTFE film for reducing the insulation resistance is thermally compressed.

In addition, when the heater body is installed in the boiler body is characterized in that the rectangular plane of the PTFE flat heating wire is positioned in the vertical direction.

In addition, the finishing cover for protecting the outer surface of the heater body; characterized in that it comprises a.

According to the present invention, by using a PTFE (polytetrafluoroetthylene) film and a heat-compression alloy PTFE flat heating wire as a heat source, by designing an area that generates heat from the surface per unit area as large as possible to maximize power efficiency You can.

In addition, the rectangular plane of the PTFE plane heating wire is positioned in the vertical direction, so that the water is smoothly circulated through the water circulation hole formed in the outer cover to facilitate heat exchange.

1 is an exploded perspective view showing a heater device for a hot water boiler using a PTFE plane heating wire according to an embodiment of the present invention.
2 is a perspective view of the combination of FIG.
Figure 3 is a perspective view of the outer cover and the cover removed in the state of Figure 2;
4 is a side cross-sectional view of FIG.
Figure 5 is a perspective view of the heater body of Figure 1;
6 is a perspective view showing the jig plate of FIG.
Figure 7 is a perspective view of the outer cover of Figure 1;
8 is a schematic view showing a state in which a heater device for a hot water boiler using a PTFE plane heating wire according to an embodiment of the present invention is installed in a boiler body.
Figure 9 is an exploded perspective view showing a heater device for hot water boiler using a PTFE plane heating wire according to another embodiment of the present invention.
10 is a perspective view showing the heater body of FIG.
11 is a perspective view showing a conventional heater device for hot water boiler.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail.

However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. In describing the drawings, similar reference numerals are used for similar elements.

Terms including ordinal numbers, such as second and first, may be used to describe various components, but the components are not limited by the terms.

The terms used herein are used only to distinguish one component from another component. For example, without departing from the scope of the present invention, the second component may be referred to as the first component, and similarly, the first component may also be referred to as the second component. The term and / or includes a combination of a plurality of related items or any item of a plurality of related items.

When a component is referred to as being "connected" or "connected" to another component, it may be directly connected to or connected to that other component, but it may be understood that other components may be present in between. Should be. On the other hand, when a component is said to be "directly connected" or "directly connected" to another component, it should be understood that there is no other component in between.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms "comprise" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art, and shall not be construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

1 is an exploded perspective view showing a heater device for a hot water boiler using a PTFE plane heating wire according to an embodiment of the present invention, Figure 2 is a perspective view of the combination of Figure 1, Figure 3 is the outer cover and the finishing cover in the state of Figure 2 4 is a side cross-sectional view of FIG. 3, FIG. 5 is a perspective view of the heater body of FIG. 1, FIG. 6 is a perspective view of the jig plate of FIG. 1, and FIG. 7 is of FIG. 1. 8 is a perspective view illustrating an outer cover, and FIG. 8 is a schematic view showing a heater apparatus for a hot water boiler using a PTFE flat heating wire according to an embodiment of the present invention installed in a boiler body.

Referring to FIGS. 1 to 8, a heater apparatus for a hot water boiler using the PTFE flat heating wire of the present invention will be described.

First, the present invention is designed to maximize the power efficiency by designing an area that generates heat on the surface per unit area as large as possible by using an alloy plane hot wire heat-compression-bonded iron chromium (Fe + Cr) and PTFE (polytetrafluoroethylene) film as a heat insulating material The present invention relates to a heater apparatus for a hot water boiler using a PTFE flat heating wire, wherein the heater apparatus for a hot water boiler using the PTFE flat heating wire is largely a heater body 100, a fixed shaft 200, a jig plate 300, and a PTFE. It comprises a planar heating wire 400 and the outer cover 500.

The heater body 100 is installed detachably to the boiler body 20, such a heater body 100 is formed in the center shaft coupling portion 110 is coupled to the fixed shaft 200, this shaft coupling A plurality of bolt through holes 120 through which the cable connection bolt 121 penetrates are formed on the outer circumferential surface of the unit 110.

On the other hand, the inner surface of the shaft coupling portion 110 is formed with a screw thread to be engaged with the screw thread formed on the outer surface of the fixed shaft 200.

In addition, the cable connection bolt 121 penetrated through the bolt through hole 120 is fixed by tightening with a first tightening nut 123 in a state where the ceramic ring 122 penetrates at both ends. Such a ceramic ring 122 accurately matches the center of the cable connection bolt 121 penetrated through the bolt through hole 120 as well as providing a sealing effect.

On the other hand, the space between the shaft coupling portion 110 and the cable connection bolt 121 of the heater body 100 may be filled with an epoxy resin (A) for insulation, wherein the shaft coupling portion 110 and the cable connection End of the bolt 121 is preferably provided in a state exposed to a certain length to the outside.

In addition, one end of the cable connection bolt 121 is preferably connected to the end of the PTFE flat heating wire 400 to be described later, but not limited to the cable connection bolt 121 is PTFE flat heating wire 400 and It may be connected via the connection terminal 130.

More preferably, the ends of the cable connection bolt 121 and the ends of the PTFE planar heating wire 400 are respectively inserted into the connection terminal 130 and then pressed by using a crimping machine.

Meanwhile, the same PTFE film applied to the PTFE planar heating wire 400 may be thermally compressed on the outside of the connection terminal 130 to increase insulation and at the same time lower the insulation resistance.

In addition, the nut 140 is formed on the central outer surface of the heater body 100 to tighten or loosen using a tool such as a spanner.

On the other hand, both ends of the heater body 100 on the basis of the nut 140, the thread is formed so as to be detachably screwed in engagement with the threads formed in the boiler body 20 and the finishing cover 600, respectively.

In addition, the heater body 100 is preferably made of stainless steel to prevent rust, but is not limited to this may be replaced by aluminum.

The fixed shaft 200 is a screw thread is formed on the outer surface in the longitudinal direction so that one end is screwed to the shaft coupling portion 110 of the heater body 100 described above to support the jig plate 300 to be described later.

The jig plate 300 penetrates at least one or more of the above-described fixed shaft 200 in the longitudinal direction to support the PTFE planar heating line 400 to be described later. Such a jig plate 300 has a fixed shaft ( The first shaft through-hole 310 through which the 200 passes is formed.

In addition, a plurality of first heating wire through holes 320 through which the PTFE planar heating wire 400 penetrates is formed on an outer circumferential surface of the first shaft through hole 310.

In addition, both ends of the jig plate 300 is screwed to the fixed shaft 200 is fixed because the fixing nut 330 is in close contact.

Meanwhile, the jig plate 300 and the fixing nut 330 are preferably made of stainless steel to prevent rust, but the present invention is not limited thereto.

The PTFE planar heating wire 400 is provided with a plurality of U-shaped wound through the first hot wire through hole 320 formed in the above-described jig plate 300 to exchange heat with water to be contacted. The planar heating wire 400 is an alloy planar heating wire in which a PTFE (polytetrafluoroethylene) film 420 which is a heat insulating material is thermally compressed in a state in which both sides of the iron chromium (Fe + Cr) 410 are wrapped and overlapped.

In addition, the end portion of the PTFE flat heating wire 400 may be welded to one end of the cable connection bolt 121 as described above and is crimp-connected through the connection terminal 130 to the current applied from the cable connection bolt 121. By dissipating heat.

In addition, when the heater body 100 is installed in the boiler body 20, the square plane of the PTFE flat heating wire 400 is positioned in the vertical direction. The reason is to allow heat exchange while smoothly circulating water through the water circulation hole 510 formed in the outer cover 500 surrounding the outside of the PTFE planar heating wire 400.

The outer cover 500 is to protect the outer side of the above-described PTFE flat heating wire 400, such an outer cover 500 is made of a cylindrical shape with one end open, the heater body 100 in the open one end border Insertion protrusion 510 is inserted into the predetermined depth of the protrusion is formed, the outer periphery of the insertion protrusion 510 is formed with a locking projection 520 is applied to the edge end of the heater body (100).

In addition, a plurality of water circulation holes 530 are formed around the outer cover 500 in the longitudinal direction.

At this time, the shape of the water circulation hole 530 is preferably made of a circular or polygonal.

In addition, a second shaft through hole 540 through which the fixed shaft 200 penetrates is formed at the center of the other end of the outer cover 500.

That is, in order to install the outer cover 500 on the heater body 100, the insertion protrusion 510 protruding from the open end of the outer cover 500 in a state in which the fixed shaft 200 is installed on the heater body 100. Is inserted into the heater body (100). Then, the edge of the heater body 100 is provided in a state in close contact with the locking step 520 formed on the outer circumference of the insertion protrusion 510, the fixed shaft 200 from the inside of the outer cover 500 in the outward direction It passes through the second shaft through hole 540 and is exposed. In this state, the outer cover 500 is installed on the heater body 100 by screwing the tightening nut 550 to the exposed fixed shaft 200.

And in the present invention may be further included a closing cover 600 that is detachably coupled to the other end of the heater body (100).

At this time, the inner surface of the finish cover 600 is formed with a screw thread to be engaged with the screw thread formed on the outer surface of the other end of the heater body 100.

Meanwhile, a cable through hole 610 through which a power cable (not shown) penetrates the cable connection bolt 121 may be formed at one end of the closing cover 600.

That is, the heater device 10 for hot water boilers using the PTFE flat heating wire of the present invention configured as described above is an alloy PTFE flat heat-compression-bonded PTFE (polytetrafluoroetthylene) film 420 and iron chrome (Fe + Cr) 410 By using the heating wire 300 as a heat source, it is possible to maximize the power efficiency by designing the area that generates heat on the surface per unit area as large as possible.

In addition, the rectangular plane of the PTFE flat heating wire 400 is positioned in the vertical direction, so that the heat is smoothly circulated through the water circulation hole 510 formed in the outer cover 500 to facilitate heat exchange.

9 is an exploded perspective view illustrating a heater apparatus for a hot water boiler using a PTFE plane heating wire according to another embodiment of the present invention, and FIG. 10 is a perspective view illustrating the heater body of FIG. 9.

Referring to Figure 9 and 10 with reference to the heater device 10 for a hot water boiler using a PTFE plane heating wire according to another embodiment of the present invention as follows, another embodiment of the present invention of the heater body 100 Since only the configuration is different, the rest of the configuration is the same, and thus a part that can be replaced by the description of the above-described embodiment will be omitted.

Heater body 100 applied to another embodiment of the present invention is formed with a shaft coupling groove 150 is coupled to the fixed shaft 200 in the center, as shown in Figure 11, the outer peripheral surface of the shaft coupling groove 150 In the heater body 100, a plurality of second heating wire through-holes 160 through which the PTFE planar heating wire 400 penetrates the inner longitudinal direction is formed.

On the other hand, the inner surface of the shaft coupling groove 150 is formed with a screw thread to be detachably screwed in engagement with the thread formed on the outer surface of the fixed shaft 200.

In addition, an epoxy resin (A) may be applied and filled to the inside of the second hot wire through hole 160 in a state where the PTFE plane hot wire 400 penetrates the second hot wire through hole 160.

In addition, the edge of the heater body 100, the inner edge of the inner edge of the outer cover 500, the edge insertion groove 170 is inserted into a predetermined depth is formed.

That is, in order to install the outer bucketer 500 on the heater body 100, the open end of the outer cover 500 in the state in which the fixed shaft 200 is installed in the heater body 100 of the heater body 100 Insert it into the edge insertion groove 170. Then, the fixed shaft 200 penetrates through the second shaft through hole 520 from the inner side of the outer cover 500 to the outer side and is exposed. In this state, the outer cover 500 is installed on the heater body 100 by screwing the tightening nut 550 to the exposed fixed shaft 200.

The technical idea of the heater device for hot water boiler using the PTFE flat heating wire of the present invention can actually repeat the same result, and in particular, by implementing the present invention, it is possible to promote the technological development and contribute to the industrial development, so it is worth protecting. have.

10: heater device for hot water boiler using PTFE flat heating wire 20: boiler body
100: heater body
110: shaft coupling portion
120: bolt through hole
121: cable connection bolt 122: ceramic ring 123: first tightening nut
130: connection terminal
140: nut part
150: shaft coupling groove
160: second hot wire through hole
170: border insertion groove
200: fixed shaft
300: jig board
310: first shaft through hole
320: first hot wire through hole
330: Fixing nut
400: PTFE flat heating wire
410 iron chromium
420: PTFE film
500: outer cover
510: insertion protrusion
520: jamming jaw
510: water circulation hole
520: second shaft through hole
530: tightening nut
600: finish cover
610: cable through hole

Claims (5)

A shaft coupling portion having a fixed shaft coupled to the center thereof, and a heater main body having a plurality of bolt through holes through which cable connection bolts pass through the outer circumferential surface of the shaft coupling portion;
A fixed shaft having one end detachably coupled to the shaft coupling portion of the heater body;
At least one penetrating in the longitudinal direction of the fixed shaft is fixedly coupled by a fixing nut, a first shaft through-hole is formed in the center of the fixing shaft, a plurality of PTFE planar heating wire through the outer peripheral surface of the first shaft through hole A jig plate in which the first heating wire through hole is formed,
It is wound around the first hot wire through hole of the jig plate and the end is connected to the cable connection bolt to dissipate heat, and made of an alloy plane hot wire heat-compression-bonded iron chromium (Fe + Cr) and PTFE (polytetrafluoroethylene) film as a heat insulating material PTFE flat heating wire,
The outside of the PTFE flat heating wire, the end is made of an open cylindrical shape, the open edge is formed with an insertion protrusion protruding into a predetermined depth into the heater body, the outer periphery of the insertion protrusion of the heater body A latching jaw is formed that the edge end is caught, and includes an outer cover having a plurality of water circulation holes formed in a longitudinal direction.
Fasten the first tightening nut while fixing the ceramic ring through both ends of the cable connection bolt which passes through the bolt through hole of the heater body,
Heater device for a hot water boiler using a PTFE plane heating wire, characterized in that the insulation resistance is lowered at the outside of the connection terminal to increase the thermal insulation and the PTFE film is thermally compressed to prevent a short circuit.
delete delete The method of claim 1,
The heater device for hot water boiler using a PTFE plane heating wire, characterized in that the rectangular plane of the PTFE plane heating wire is positioned in the vertical direction when the heater body is installed in the boiler body.
The method of claim 1,
Heated device for a hot water boiler using a PTFE plane heating wire, characterized in that it comprises a; finishing cover to protect the outer surface of the heater body.

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