KR200492882Y1 - Flexible heater for heating device - Google Patents

Abstract

The present invention relates to a heating device for a hot water mat, and more particularly, a flexible heater for a heating device that improves heating efficiency and thermal efficiency compared to power consumption by applying a flexible type heater with a wide heating area to various types of hot water generating devices. It is about.

Description

Flexible heater for heating device

The present invention relates to a flexible heater for a heating device, and more specifically, a flexible heater for a heating device that improves heating efficiency and heat efficiency compared to power consumption by applying a flexible type heater with a wide heating area to various types of hot water generating devices. It is about.

A hot water module device for providing hot water is used not only for hot water mats, but also for various types of hot water products such as bidets, water purifiers, and coffee machines.

For example, a hot water mat employing such a hot water module device is used for heating or keeping warm by using hot water, and hot water pipes through which hot water flows inside the mat are arranged at regular intervals, and hot water is supplied. By supplying and circulating hot water supplied from the device to the hot water pipe, the mat is locally heated or kept warm. Such a hot water mat has the advantage of having problems with the existing electric mats configured to have electric heating wires embedded inside the mat, that is, blocking harmful electromagnetic waves by electric heating wires and electric safety accidents such as fire or electric shock.

1 is a view showing a general hot water mat. 1, the hot water mat includes a mat member 10 provided to allow a user to lie down or sit, a hot water supply device 30 for supplying hot water to the mat member 10, the mat member 10 and the mat member 10 It includes a connection pipe 20 for connecting the hot water supply device 30. In addition, the hot water supply device 30 heats the water in the water tank (not shown) to a predetermined temperature using a heating device 40 (shown in FIG. 2 ), and supplies and circulates the heated hot water to the mat member 10. .

2 is a view showing a conventional heating device. Referring to FIG. 2, a conventional heating device 40 is to heat water supplied from a water tank to a predetermined temperature or higher, and a heating body 42, a heater 44, a temperature sensor 46, and a temperature fuse 48 Includes.

The heating body 42 is formed to be elongated in the longitudinal direction, and a moving passage (not shown) and a heater guide 42a are respectively formed through the inner longitudinal direction thereof, and a locking portion 42b is formed along the outer longitudinal direction thereof. ) Is formed protruding. In addition, a first coupling portion 43a and a second coupling portion 43b are integrally protruded at both ends of the moving passage of the heating body 42 in an outer direction thereof. The first coupling part 43a is connected to the water tank and the second coupling part 43b is connected to the connection pipe, so that the water in the water tank passes through the moving passage of the heating body 42 and is supplied to the connection pipe. do. The heater 44 is composed of a PTC (Positive Temperature Coefficient) heater that generates heat by receiving power from the outside, and is inserted into the heater guide portion 42a of the heating body 42. In addition, the heat generated from the heater 44 is transferred to the heating body 42, and the heat transferred to the heating body 42 heats the water flowing along the moving passage of the heating body 42 with hot water. The temperature sensor 46 and the temperature fuse 48 are engaged with the locking portion 42b of the heating body 42, and are electrically connected to the heater 44, and the power supplied to the heater 44 is selectively By blocking, the temperature of the hot water flowing along the moving passage of the heating body 42 is adjusted.

However, in this prior art, since the heater is formed in a bar shape and transfers heat to only one side of the heating body in contact with the heater, there is a problem in that the heat transfer efficiency is deteriorated due to a small area in contact with the heating body.

An object of the present invention for solving the problems of the prior art as described above is to provide a flexible heater for a heating device that improves the heat transfer efficiency transferred from the heater to the heating body.

In order to achieve the above object, the present invention provides a heater used in a hot water heating apparatus including a heating body that receives heat and discharges heat to the outside, comprising: a plurality of terminals for supplying power; A heater provided with the terminal and receiving power from the terminal to generate heat, but disposed to surround the outer periphery of the heating body and formed to be flexible; And an insulating layer disposed on any one surface of the heater. It provides a flexible heater for a heating device comprising a.

In addition, the heater may include a heating element pattern made of a heating element material arranged on one surface of the planar heating element; A planar heating element formed by printing the heating element pattern and generating heat by receiving power through the heating element pattern; And a protective layer disposed on a surface opposite to a surface on which the planar heating element is disposed. It provides a flexible heater for a heating device comprising a.

In addition, the planar heating element provides a flexible heater for a heating device, characterized in that any one of elastomer, silicon, ceramic, or synthetic rubber.

In addition, the protective layer provides a flexible heater for a heating device, characterized in that it is an aluminum thin film that protects the heater while preventing the heat generated from the planar heating element from escaping to the outside.

In addition, the protective layer provides a flexible heater for a heating device, characterized in that it has an adhesive force for fixing and is provided so that an area of a portion in contact with the insulating layer is larger than an area of the insulating layer.

In addition, it provides a flexible heater for a heating device, characterized in that it further comprises; an adhesive layer that is disposed on the opposite surface of the surface on which the insulating layer is disposed and has an adhesive force for fixing to the outer periphery of the heater.

In addition, the material of the heating element pattern includes a mixed binder and conductive particles, and the conductive particles provide a flexible heater for a heating device, characterized in that they include conductive carbon particles, carbon particles, or metal powder.

In addition, the heating body includes a moving passage through which a fluid flows, and the moving passage is alternately arranged in succession with a plurality of concave portions and convex portions along an inner periphery, and each of the concave portions and the convex portions is the moving passage It provides a flexible heater for a heating device, characterized in that extending in both directions of the open.

In this design, the flexible heater wraps the outer periphery of the heating body in an elastic manner and transmits heat evenly to the entire heating body. Therefore, the water flowing along the moving passage of the heating body that supplies hot water for the hot water product It can be heated quickly, thereby improving heat transfer efficiency.

Since the present invention has a planar heating element that can be driven with low power inside the heater, it can exhibit high heat generation characteristics with low power.

The present design increases the contact area to stably heat the heating body that supplies hot water for hot water products, as well as minimize heat loss in the heat transfer process.

In the present invention, since the heating element pattern of the planar heating element is formed of a heating element composition in the form of a paint including conductive particles and a mixed binder, the specific resistance is low and the thermal conductivity is excellent, which is advantageous for low voltage driving and a high temperature increase rate.

In addition, since a plurality of concave portions and convex portions are formed in the inner periphery of the moving passage, the inner periphery area of the moving passage directly contacting water increases, thereby improving the heat exchange efficiency of the heating body.

1 is a view showing a general hot water mat.
2 is a view showing a conventional heating device.
3 is a view schematically showing a case in which only a flexible heater is applied to a heating body in a flexible heater for a heating device according to a first embodiment of the present invention.
4 is an exploded perspective view illustrating a flexible heater provided with a planar heating element, an adhesive layer, and a protective layer in a flexible heater for a heating device according to a first embodiment of the present invention.
5 is a view schematically showing a case in which a flexible heater and an insulating layer are applied to a heating body in a flexible heater for a heating device according to a second embodiment of the present invention.
6 is a view schematically showing a case of applying a flexible heater, an insulating layer, and a protective layer in the flexible heater for a heating device according to a third embodiment of the present invention.
7 is a cross-sectional view illustrating a state in which a flexible heater, an insulating layer, and a protective layer are applied to a heating body in a flexible heater for a heating device according to a third embodiment of the present invention.
8 is a diagram schematically illustrating a case in which a flexible heater, an insulating layer, and a protective layer are applied to a heating body provided with a plurality of concave portions and convex portions in a flexible heater for a heating device according to a fourth embodiment of the present invention. .
9 is a diagram schematically illustrating a case in which a flexible heater, an insulating layer, and a protective layer are applied to a heating body provided with a plurality of concave portions and convex portions in a flexible heater for a heating device according to a fifth embodiment of the present invention. .
10 is a view schematically showing a state in which a heating body including a plurality of concave portions and convex portions and a flexible heater are inserted into a support portion of a flexible heater for a heating device according to a fifth embodiment of the present invention.
11 is a view schematically showing a state in which a heating body and a flexible heater are coupled to a support part of a flexible heater for a heating device according to a fifth embodiment of the present invention.
12 is a diagram schematically showing an example of a process in which a sensor box is coupled to a position guide portion of a flexible heater for a heating device according to a sixth embodiment of the present invention.
13 is a diagram schematically illustrating an example of a process in which a sensor box is coupled to a position guide portion of a flexible heater for a heating device according to a sixth embodiment of the present invention.
14 is a diagram schematically illustrating another example of a process in which a sensor box is coupled to a location guide part of a heating device for a hot water mat according to a sixth embodiment of the present invention.

Hereinafter, a flexible heater for a heating device according to a preferred embodiment of the present invention will be described in more detail with reference to the accompanying drawings.

3 is a schematic view showing a case where only the flexible heater is applied to the heating body in the flexible heater for the heating device according to the first embodiment of the present invention, and FIG. 4 is a heating according to a first preferred embodiment of the present invention. It is an exploded perspective view for explaining a flexible heater provided with a planar heating element, an adhesive layer, and a protective layer in a flexible heater for an apparatus.

3 and 4, the flexible heater 100 for a heating device according to a first preferred embodiment of the present invention is applied to a hot water mat (not shown), and water supplied from a water tank (not shown) Heating to supply hot water to the mat member (not shown), and includes a heating body 110, a heater 120, an insulating layer 150.

The heating body 110 is formed in a column shape elongated along the longitudinal direction, and a moving passage 112 serving as a passage through which water moves along the longitudinal direction thereof is formed. The heating body 110 is made of a material having high thermal conductivity, such as aluminum, so that heat generated from the heater 120 to be described later can be quickly transferred to the water flowing along the moving passage 112 of the heating body 110.

The heater 120 includes a terminal 122, a heating element pattern 123, and a planar heating element 125.

The heater 120 is formed in a thin plate shape, and has a ring shape when disposed surrounding the outer periphery of the heating body 110.

The heating element pattern 123 is a heating element material arranged on one surface of the planar heating element 125 and includes a mixed binder and conductive particles. Here, the heating element pattern 123 may be formed in the form of a paint including a mixed binder and conductive particles.

And the conductive particles include carbon particles, carbon particles, or metal powders having conductivity. As the carbon particles, carbon particles, carbon nanotube particles, or graphite particles may be used. As the metal powder, a powder made of silver, copper or nickel may be used.

In addition, the carbon nanotube particles may be selected from single-walled carbon nanotubes, double-walled carbon nanotubes, multi-walled carbon nanotubes, or mixtures thereof. For example, the carbon nanotube particles may be multi-wall carbon nanotubes.

The metal powder includes a powder made of silver, copper or nickel. In the case of silver powder, it may have a shape such as a flake, a sphere, a polygonal plate, or a rod. As the copper powder, silver-coated copper (Ag coated Cu) powder, nickel-coated copper (Ni coated Cu) powder, or the like may be used. And as the nickel powder, silver-coated nickel (Ag coated Ni) powder may be used.

When forming the planar heating element 125 with a heating element composition including carbon particles, carbon particles, and metal powder, the metal powder mainly forms an electrical network, and carbon particles are filled in the space between the metal powders to form a three-dimensional random network structure. To form.

As such, the heating element pattern 123, which is a heating element composition, includes carbon particles, carbon particles, and metal powder, so that energy efficiency and heat generation rate of the heating element pattern 123 can be increased. That is, the metal powder does not have a blackbody radiation function. However, by including carbon-based carbon particles in the heating element pattern 123, a blackbody radiation function can be implemented. And it is possible to increase the heat resistance of the heating element pattern 123 due to the carbon particles.

And because of the carbon particles, it is possible to increase the heating rate and energy efficiency of the heating element pattern 123, and by increasing the heat resistance of the mixed binder, even when the heating element pattern 123 is heated at a high temperature, resistance change or damage can be suppressed. I will be able to.

In addition, the heating element pattern 123 is formed on the upper surface of the planar heating element 125 that is the base substrate, and the heating element pattern 123 may be formed of a metal material to minimize voltage drop.

As a metal material forming the heating element pattern 123, silver, aluminum, copper, nickel, stainless steel, or an alloy thereof may be used.

The heating element pattern 123 includes a pair of connection terminals 121. A pair of electrode terminals 121 are formed to be spaced at a predetermined interval, and a pair of connection wires are connected to the pair of terminals 121, respectively, and a planar heating element 125 is connected to the electrode terminal 121.

And the planar heating element 125 is made of a material having elasticity and thermal conductivity. As such a material, an elastomer may be used, and also silicone or synthetic rubber may be used.

When the planar heating element 125 is manufactured to improve heat transfer characteristics that generate heat by receiving power through the terminal 121, carbon particles (ex: carbon particles), metal particles, or inorganic particles may be added to the liquid elastomer. have.

The planar heating element 125 stably transfers the generated heat to the heating body 110 serving as a passage for supplying water to the hot water mat. The planar heating element 125 can be in close contact with the heating body 110 using its own elasticity, so as to suppress heat loss due to the occurrence of a gap between the heating body 110 and the heater 120.

Accordingly, the heater 120 is fixedly and elastically attached to the outer periphery of the heating body 110, and the material of the heating body 110 is a metal material having good rigidity and thermal conductivity, such as aluminum, copper, nickel, Stainless steel or alloys thereof could be used. Therefore, the heating body 110 is not corroded and has excellent heat conduction.

Therefore, in the first embodiment of the present invention, it is composed of only the heater 120 formed to be flexible, and the heater 120 covers most of the outer periphery of the heating body 110, but between the heating body 110 and the heater 120 Since it is arranged to be in close elasticity so that there is no gap of the heating body 110 and the heater 120, heat is evenly transmitted to the entire heating body 110 without heat loss due to the occurrence of a gap between the heating body 110 and the heater 120.

Therefore, the heating body 110 can quickly heat water flowing along the moving passage 112, as well as improving heat transfer efficiency.

5 is a view schematically showing a case in which a flexible heater and an insulating layer are applied to a heating body in a flexible heater for a heating device according to a second embodiment of the present invention.

5, the flexible heater 100 for a heating device according to a second preferred embodiment of the present invention is an adhesive layer surrounding the outer periphery of the heating body 110 between the heating body 110 and the heater 120 ( 121) and an insulating layer 150 surrounding the outer periphery of the heater 120.

The adhesive layer 121 is disposed on the outer periphery of the heater 120, and the area of the contact portion between the adhesive layer 121 and the heater 120 is preferably provided to be the same as the area of the heater 120.

The adhesive layer 121 may have adhesive force for fixing, and it is preferable that both surfaces of the adhesive layer 121 are provided having adhesive force. That is, the adhesive layer 121 serves to fix the heater 120 to the heating body 110.

The insulating layer 150 may be disposed on any one surface of the heater 120. That is, the insulating layer 150 may be disposed on the outer circumference of the heater 120, or on the outer circumference of the adhesive layer 121 or on both the outer circumference of the heater 120 and the adhesive layer 121.

It is preferable that the insulating layer 150 is provided to cover the entire portion of the heater 120 in contact with the heater 120. That is, the area of the insulating layer 150 and the area of a portion that contacts one surface of the heater 120 are provided to be the same.

6 is a view schematically showing a case in which a flexible heater, an insulating layer, and a protective layer are applied in a flexible heater for a heating device according to a third preferred embodiment of the present invention, and FIG. 7 is a third preferred embodiment of the present invention. It is a cross-sectional view for explaining a state in which the flexible heater, the insulating layer, and the protective layer are applied to the heating body in the flexible heater for heating device according to.

6 and 7, the flexible heater 100 for a heating device according to a third preferred embodiment of the present invention surrounds the outer periphery of the heating body 110 between the heating body 110 and the heater 120 The adhesive layer 121, the heater 120, the insulating layer 150 surrounding the outer periphery of the heater 120, and a protective layer 126 surrounding the outer periphery of the insulating layer 150.

In addition, the heater 120 according to the third embodiment of the present invention includes a terminal 122, a heating element pattern 123, and a planar heating element 125.

The protective layer 126 according to the third preferred embodiment of the present invention is disposed on the outer surface of the surface on which the insulating layer 150 is disposed.

The area of the portion where the protective layer 126 contacts the insulating layer 150 is provided to be larger than the area of the insulating layer 150 as shown in FIG. 7. That is, the protective layer 126 is provided so that the portion in contact with the insulating layer 150 is wider than that of the insulating layer 150, so that the protective layer 126 is It is provided to protrude a certain portion outward along the edge.

One surface of the protective layer 126 may have adhesive force for fixing, and the protective layer 126 is adhered to the insulating layer 150 by the adhesive surface (not shown) having the adhesive force.

In addition, the protective layer 126 is formed of an aluminum thin film to protect the planar heating element 125 of the heater 120 while maintaining a warm function so that heat generated from the heating element pattern 123 cannot escape to the outside.

As such, the protective layer 126 may be an aluminum adhesive tape made of aluminum while having an adhesive surface.

8 is a diagram schematically illustrating a case in which a flexible heater, an insulating layer, and a protective layer are applied to a heating body provided with a plurality of concave portions and convex portions in a flexible heater for a heating device according to a fourth embodiment of the present invention. .

Referring to Figure 8, the flexible heater 100 for a heating device according to a fourth preferred embodiment of the present invention is between the heating body 110 and the heater 120, the adhesive layer surrounding the outer periphery of the heating body 110 (121), the heater 120, the insulating layer 150 surrounding the outer periphery of the heater 120, and a protective layer 126 surrounding the outer periphery of the insulating layer 150 are stacked.

Here, the moving passage 112 of the flexible heater 100 for the heating device according to the fourth exemplary embodiment of the present invention includes a plurality of concave portions 112a and a convex portion 112b along the inner periphery of the moving passage 112 Are alternately arranged in a row, each of the concave portion (112a) and the convex portion (112b) is formed so as to extend in the open direction of both sides of the moving passage (112).

As described above, in the fourth embodiment according to the present invention, since the concave portion 112a and the convex portion 112b are formed in the inner circumference of the moving passage 112, the inner circumferential area of the moving passage 112 directly contacting water is increased. As a result, there is an effect of further improving the heat exchange efficiency of the heating body 110.

In addition, the flexible heater 100 for a heating device according to a fourth preferred embodiment of the present invention includes a support 130.

The support 130 is formed in a column shape having a diameter larger than that of the heating body 110, and along the inner longitudinal direction thereof, the heating body 110 and the adhesive layer 121, the heater 120, the insulating layer 150 and The insertion portion 132 is formed through the protective layer 126 so as to be integrally inserted therethrough.

In addition, as in the first embodiment described above on the support 130, only the heater 120 is stacked and disposed on the heating body 110, or, as in the second embodiment, the adhesive layer 121 is placed on the heating body 110. ), only the heater 120 and the insulating layer 150 may be stacked and disposed.

The support 130 and the heating body 110 may be formed in a circular column shape, but it is natural that the present invention is not limited thereto. In addition, on the upper surface of the support part 130, position guide parts 134 are protruded along both longitudinal directions. The position guide part 134 is formed to protrude from the upper surface of the support part 130 and then bend toward the center of the support part 130.

The sensor box 140 will be described with reference to FIG. 12.

9 is a diagram schematically illustrating a case in which a flexible heater, an insulating layer, and a protective layer are applied to a heating body provided with a plurality of concave portions and convex portions in a flexible heater for a heating device according to a fifth embodiment of the present invention. 10 is a view schematically showing a state in which a heating body provided with a plurality of concave portions and convex portions and a flexible heater are inserted into a support of a flexible heater for a heating device according to a fifth embodiment of the present invention, and FIG. 11 Is a diagram schematically showing a state in which a heating body and a flexible heater are coupled to a support portion of a flexible heater for a heating device according to a fifth embodiment of the present invention.

9 to 11, the flexible heater 100 for a heating device according to a fifth embodiment of the present invention surrounds the outer periphery of the heating body 110 between the heating body 110 and the heater 120 The adhesive layer 121, the heater 120, an insulating layer 150 surrounding the outer periphery of the heater 120, and a protective layer 126 surrounding the outer periphery of the insulating layer 150 are stacked.

And the moving passage 112 includes a plurality of concave portions 112a and convex portions 112b along the inner periphery of the moving passage 112, and also includes a support portion 130.

In the support portion 130 of the fifth embodiment, the heating body 110 and the heater 120 are inserted into the insertion portion 132 of the support portion 130. Thereafter, referring to FIG. 11, pressure applied from the outside to the outer periphery of the support part 130 located between the pair of position guide parts 134, for example, pressure by a pressure pin (not shown) A groove (130a) is formed, a pressing protrusion (132a) is formed to correspond to the concave shape of the pressing groove (130a) by the external pressing on the inner periphery of the insertion portion (132) located in the opposite direction of the pressing groove (130a) Protruding is formed.

In this way, since the pressing protrusion 132a is formed protruding from the inside of the insertion part 132, the pressing protrusion 132a pressurizes the heating body 110 and the heater 120, so that the heating body 110 and the heater ( 120) has the effect of being firmly fixed without being easily removed from the insertion part 132 with a simple structure.

12 is a diagram schematically showing an example of a process in which a sensor box is coupled to a position guide portion of a flexible heater for a heating device according to a sixth embodiment of the present invention.

Referring to FIG. 12, a flexible heater 100 for a heating device according to a sixth embodiment of the present invention includes an adhesive layer surrounding the outer periphery of the heating body 110 between the heating body 110 and the heater 120 ( 121), the heater 120, the insulating layer 150 surrounding the outer periphery of the heater 120, and a protective layer 126 surrounding the outer periphery of the insulating layer 150 are laminated.

Further, the moving passage 112 includes a plurality of concave portions 112a and convex portions 112b along the inner periphery of the moving passage 112, and also includes a support portion 130 and a sensor box 140.

The sensor box 140 is inserted into the space between the upper surface of the support unit 130 and the position guide unit 134. A temperature sensor 142 and a temperature fuse 144 electrically connected to the heater 120 are provided inside the sensor box 140 to control power supplied to the heater 120.

The temperature sensor 142 is, for example, the same as a bimetal manufactured as a single sheet by overlapping two types of thin metal plates having different coefficients of thermal expansion, and can supply or cut off power by using the property of bending when heat is applied.

The thermal fuse 144 is a switch for preventing overheating that is automatically cut off when the temperature of the heater 120 reaches a temperature above a certain limit point to prevent overheating. When the temperature of the support part 130 is heated to a certain temperature or higher, the temperature sensor 142 selectively cuts off power applied to the heater 120 so that the heater 120 is no longer operated.

The temperature sensor 142 and the temperature fuse 144 are general, and a more detailed description thereof will be omitted.

13 is a diagram schematically showing an example of a process in which a sensor box is coupled to a position guide part of a flexible heater for a heating device according to a sixth embodiment of the present invention,

First, referring to FIGS. 13A and 13B, one side of the sensor box 140 slides along a space between a pair of position guide units 134. Thereafter, as shown in (c) of FIG. 13, the stopper 136 is positioned protruding from the inside of the position guide 134 facing one side of the sensor box 140. The stopper 136 is a burr that is pushed in the inside direction of the location guide 134 when a through hole is formed in the location guide 134 by applying a strong pressure from the outside of the location guide 134 to the inside. ) Can be formed simply.

In this way, when the stopper 136 is located protruding from the inside of the location guide part 134 by external pressure, one side of the sensor box 140 opposite to the inside of the location guide part 134 is positioned by the stopper 136 .

Here, since one side of the sensor box 140 is formed with an inclined portion 141 so that the width becomes narrower toward the end, when one side of the sensor box 140 is caught by the stopper 136, the stopper 136 ) Is to press the inclined portion 141. That is, the inclined portion 141 is firmly pressed against the stopper 136, so that the sensor box 140 is fixed between the position guide portions 134.

14 is a diagram schematically illustrating another example of a process in which a sensor box is coupled to a location guide part of a heating device for a hot water mat according to a sixth embodiment of the present invention.

Referring to FIG. 14, referring to (a) of FIG. 14, before the sensor box 140 is inserted between the position guide unit 134, the stopper 136 is formed by external pressure inside the position guide unit 134. Is protruding in advance.

In this state, one side of the sensor box 140 slides along the space between the pair of position guides 134. Then, as shown in (b) of FIG. 14, one side of the sensor box 140 is positioned by the stopper 136. Here, since one side of the sensor box 140 has an inclined portion 141 formed so that the width becomes narrower toward the end, the stopper 136 presses the inclined portion 141, so that the sensor box 140 guides the position. It is fixed between the parts 134.

Although the present invention has been described in detail in the above embodiments, it is natural that the present invention is not limited thereto, and it is obvious to those skilled in the art that various modifications and modifications are possible within the scope of the technical idea of the present invention, and such modifications and modifications are attached. If it falls within the scope of the claims, the technical idea should also be viewed as belonging to the present invention.

100: heating device
110: heating body 112: moving passage
112a: concave portion 112b: convex portion
120: heater 121: adhesion
122: terminal 123: heating element pattern
125: planar heating element 126: protective layer
130: support part 130a: pressing groove
132: insertion part 132a: pressure protrusion
134: location guide 136: stopper
140: sensor box 141: slope
142: temperature sensor 144: temperature fuse
150: insulating layer

Claims (8)

In a heater used in a hot water heating device including a heating body that receives heat and discharges it to the outside,
A plurality of terminals for supplying power;
A heater provided with the terminal and receiving power from the terminal to generate heat, but disposed to surround the outer periphery of the heating body and formed to be flexible; And
An insulating layer disposed on one side of the heater; Including,
The heater,
A heating element pattern made of a heating element material arranged on one surface of the planar heating element;
A planar heating element formed by printing the heating element pattern and generating heat by receiving power through the heating element pattern; And
A protective layer disposed on a surface opposite to the surface on which the planar heating element is disposed; Including,
The protective layer,
It is characterized in that it is an aluminum thin film that prevents heat generated from the planar heating element from escaping to the outside and protects the heater,
The protective layer,
It has an adhesive force for fixing and is characterized in that it is provided such that an area of a portion in contact with the insulating layer is larger than an area of the insulating layer,
An adhesive layer disposed on a surface opposite to the surface on which the insulating layer is disposed and having adhesive force for fixing to the outer periphery of the heater; Flexible heater for a heating device, characterized in that it further comprises.
delete The method of claim 1, wherein the planar heating element,
Flexible heater for a heating device, characterized in that any one of elastomer, silicon, ceramic or synthetic rubber.
delete delete delete The method of claim 3,
The material of the heating element pattern includes a mixed binder and conductive particles,
The conductive particle is a flexible heater for a heating device, characterized in that it contains conductive carbon particles, carbon particles or metal powder.
The method of claim 1,
The heating body includes a moving passage through which a fluid flows,
The moving passage,
A flexible heater for a heating device, characterized in that a plurality of concave portions and convex portions are alternately continuously arranged along the inner periphery, and each of the concave portions and the convex portions extend in both open directions of the moving passage.

Images