KR20170015865A - Heating insulation cover for pipe - Google Patents

Abstract

The present invention relates to a heating insulation cover having a function of keeping warm to maintain a predetermined temperature by heating and insulating a pipe used in various fields and, more specifically, relates to a heating insulating cover having a leakage detection portion detecting leakage which may be caused by a crack in a pipe, a gap in a coupling portion, a gap in a welded portion, etc.; and showing cracks, gaps, etc. to a user. The heating insulation cover comprises: an inner skin contacting an outer surface of a pipe; a heat-wire cloth stacked on an upper portion of the inner skin having a heating element; an insulation stacked on an upper portion of the heat-wire cloth; and an outer skin stacked on an upper portion of the insulation.

Description

[0001] HEATING INSULATION COVER FOR PIPE [0002]

The present invention relates to a heating and insulation cover for piping, and more particularly, to a heating and insulation cover having a heat retaining function for maintaining a predetermined temperature by heating and insulating pipes used in various fields. Particularly, The present invention relates to a heating and insulation cover for piping having a leak detection part for detecting a leak which may occur in a gap,

BACKGROUND ART Pipes are used in various fields as a tube for allowing an internal fluid material to flow from one space to another space or from a portion to another portion (in the case of a device). Especially in the case of semiconductor process piping, fluid storage vessels, gas pipes, hot water pipes, cooling pipes and the like require special liquids or gases to flow at a constant temperature in a special case. And is mounted on the outer circumferential surface of the pipe to ensure a constant temperature.

The prior art relating to the maintenance of such a pipe at a constant temperature is as follows.

[0004] In the prior art (Patent Literature 1), there is disclosed a pipe having a heating part and a cylindrical pipe having a hollow through which a fluid can flow, And a heating part embedded in the curved surface to generate heat when the power is applied.

[0002] In a pipeline heating apparatus and a method for manufacturing the same (Prior Art 2), another conventional technique is disclosed in Japanese Patent No. 10-1304503 (Aug. 30, 2013) A cover sheet covering the heat-insulating pad and a cover sheet covering the outer surface of the cover sheet, the cover sheet covering the heat-insulating pad and the heat- A first temperature indicating sheet which is reduced to an original color when the temperature is lower than a predetermined minimum management temperature according to the temperature of the outer surface of the cover sheet and an outer surface of the outer surface of the cover sheet, A second thione sheet which is discolored when the temperature is higher than a predetermined maximum management temperature according to temperature, Judgment has been suggested that technology can do.

Another prior art is a method of manufacturing a heating cover for piping using a nonwoven fabric made of aramid (Prior Art 3), which is disclosed in Patent Registration No. 10-1359743 (Jan. 29, 2014), in which a heating plate and a heat- And a heating cover for sensing the temperature through the sensor is provided.

However, in the prior art 1 described above, only the heat pipe is provided inside the pipe. In the related arts 2 and 3, since the cover shown in the prior art covers the pipe (or pipe), cracks formed in the pipe, , It is difficult to check the leakage of the internal fluid flowing out through the gap of the welded part or the like. Although the prior art 3 discloses the provision of the temperature sensor, this is for the purpose of measuring the maintained temperature, but is not a configuration for detecting leakage of the internal fluid material.

In an attempt to solve the above-described problems, in the registration practice 20-0321688 (Jul. 19, 2003) [Structure for Confirming the Liquid Leakage Location of the Hot Piping Line] (Prior Art 4) So that it is possible to confirm whether or not the liquid leaking from the piping line is leaked.

However, the structure disclosed in the prior art 4 has a limitation that it can cause deterioration of the thermal insulation effect due to the inflow of outside air through the leakage hole and that the internal flow material must be a liquid.

Accordingly, the present invention has been made to solve the above-mentioned problems,

The present invention aims at detecting leaks that may occur in cracks in piping, clearance at joints, crevices at welded areas, etc.,

The present invention also aims to provide a method of detecting a leakage of an internal fluid material through a temperature change, an acidity change, an oily reaction, and an aqueous reaction by introducing a sensing element for detecting leakage,

It is an object of the present invention to provide a detachable member that has a light transmitting portion so as to be easily attached and detached, and that it is not difficult to confirm leakage of an internal flow material.

According to the present invention,

An inner skin contacting the outer surface of the pipe, a hot wire cloth having a heating element laminated on the upper surface of the inner tube, a heat insulating material laminated on the heat wire cloth, and an outer skin laminated on the heat insulating material, And a leakage sensing unit is inserted into the sensing unit.

In addition, the leakage sensing unit may include a mesh provided below the sensing body and contacting the outer surface of the sensing body, and a light emitting display unit provided on the sensing body.

The sensing element may further include a Litmus test strip and may further comprise an aqueous material applied to a part of the surface of the litmus strip.

Furthermore, the outer casing further includes a fixing member, and a detachable member fixed to the fixing member, wherein a part of the detachable member is provided with a light transmitting unit located above the display unit of the leakage sensing unit.

The present invention having the above-

It is possible to prevent a safety accident caused by leakage of an internal flow material or to prevent the loss of a flowable material by promptly repairing it by displaying it to a user by detecting a leak which may occur in cracks of piping,

In addition, by introducing a sensing element for detecting leakage, it is possible to more clearly detect the leakage of the internal fluid material through temperature change, acidity change, oily reaction, aqueous reaction,

The attaching / detaching member is provided with the light transmitting portion so as to be easily attached and detached, and there is no difficulty in confirming the leakage of the internal flow material, so that the convenience of the user can be increased.

1 is an exploded perspective view for confirming the internal structure of the present invention.
2 is a side structural view for confirming the internal structure of the present invention;
3 is an embodiment of a leak detector according to the present invention.
4 shows an embodiment of a removable member according to the present invention.
5 is a modification of the leakage detection unit according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail with reference to the accompanying drawings.

While the present invention has been described in connection with certain exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention. It is to be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but on the contrary, is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

In the drawings, the same reference numerals are used for the same reference numerals, and in particular, the numerals of the tens and the digits of the digits, the digits of the tens, the digits of the digits and the alphabets are the same, Members referred to by reference numerals can be identified as members corresponding to these standards.

In the drawings, the components are expressed by exaggeratingly larger (or thicker) or smaller (or thinner) in size or thickness in consideration of the convenience of understanding, etc. However, It should not be.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the term " comprising " or " consisting of ", or the like, refers to the presence of a feature, a number, a step, an operation, an element, a component, But do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations 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 to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

It is to be understood that the first to second aspects described in the present specification are merely referred to in order to distinguish between different components and are not limited to the order in which they are manufactured, It may not match.

Before describing the present invention, the directions of the respective drawings are specified. In particular, in the case of the side view showing the internal structure, the upper and lower portions are set in the same state as shown in FIG. 2, This follows.

The present invention relates to a heating and thermal insulation cover (C) having a heat retaining function for heating and insulating pipes used in various fields to maintain a predetermined temperature, and more particularly to a heat insulation cover (C) (C) for piping that detects the temperature of the pipe and displays it to the user.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a heat insulating cover C for a piping according to the present invention will be described in detail with reference to the accompanying drawings.

1 is an exploded perspective view for confirming the internal structure of a heating insulating cover C according to the present invention.

1, a heating and thermal insulation cover C according to the present invention includes an inner skin 1 contacting an outer surface of a pipe, a hot wire cloth 2 laminated on the inner skin 1 and having a heating element 20, A heat insulating material 3 laminated on the heat insulating cloth 3 and a sheath 4 laminated on the heat insulating material 3.

The inner film 1 and the outer film 4 which are the constituents for protecting the heating body 20 may be made of the same material but may be made of different materials and may be made of a material such as polytetrafluoroethylene . Polytetrafluoroethylene (PTFE) is excellent in chemical resistance and does not change its characteristics at a wide temperature (325 ° C). It has good electrical properties, good flame retardancy and weatherability, and low wear factor. Also, since it is non-toxic, it is very suitable as a material of the cover (C).

The heat wire cloth 2 has a structure in which the heat emitting body 20 is fixed and enhances the heat retaining function by transmitting the heat radiated from the heat emitting body 20 to the inner film 1. The material is made of glass fiber And the like.

As shown in FIG. 1, the heating element 20 preferably has a zig-zag structure. By using the zig-zag structure, even heat can be uniformly spread over a wide range. do.

The structure for implementing the above-described endothelium 1, the heating element 20, the heating wire cloth 2, the heat insulating material 3 and the sheath 4 can be more clearly seen in Fig.

FIG. 3 shows an embodiment of the leakage detection unit 5, and a leakage detection unit 5, which is a core of the present invention, will be described in detail with reference to the accompanying drawings.

As shown in FIG. 3, the heating / warming cover C according to the present invention is characterized in that a leakage detection unit 5 is provided in which a sensing unit 50 for detecting leakage of a pipe is inserted into a certain area . Herein, some of the zones refer to areas where piping leaks are expected to be severe, such as the bend of the pipe as generally seen in the figure, the welded area where the two pipes are welded together, Binding sites, and the like.

Further, the sensing element 50 is a means for detecting whether or not there is leakage. For example, the sensing element 50 may include a gas sensor for confirming leakage of gas, a temperature sensor for sensing a rapid change in temperature, a test paper for measuring acidity, An oily substance which senses the flow of water, an aqueous material which senses the outflow of water, and the like.

3 (A), particularly in the chain line region, the leakage detection unit 5 is shown in more detail. As can be seen from FIG. 3 (A), the leakage detection unit 5 detects the leakage And a mesh (51) provided at a lower portion of the outer casing (50) and contacting the outer casing (4). The mesh 51 is formed in a mesh structure and is generally provided in a grid shape and has a plurality of through holes. The sensing element 50 can sense whether or not the flowable material leaks through the through hole of the mesh 51 having the mesh structure.

The leak detecting unit 5 may further include a light emitting display unit 53 provided on the sensing unit 50. The display unit 53 is preferably made of a light transmitting material and is preferably made of a non-fixing material such as vinyl rather than a forming material such as glass, acrylic, etc. This is for application to various piping structures. Particularly, It is preferable to be made of a non-chisel material in consideration of the fact that the present invention is applied to a flat surface such as a curved portion, a joining portion, and a welded portion. The operator or the user can confirm the change displayed on the sensing element 50 through the display part 53 and check whether the flowing substance in the pipe leaks.

3 (B) shows the implementation of the sensing element 50. According to the embodiment of Fig. 3 [B], the sensing element 50 in the present invention includes a Litmus test strip, It can be confirmed that it further includes an aqueous material applied to a part thereof.

Litmus Test Paper is a test paper which absorbs litmus solution into filter paper and has two colors of red and blue. Blue color changes from acidic to red color, and red color changes from alkaline to blue color than pH 8.0. Have. Of course, it is not preferable to apply the litmus test paper in order to more accurately measure the acidity. However, considering the aspect of saving the manufacturing cost, the present invention needs only to detect the leakage of the internal fluid material. Therefore, it is preferable to use the litmus test paper, Do.

In addition, the aqueous material 500 applied to a part of the litmus test paper surface is more preferably a water-based ink. It is obvious that this is utilized for detecting the leakage of water as described above, and if the fluid material in the pipe is of the nature such as oil or the like, it may be provided as a oily ink which is a oily material.

4 shows another embodiment of the heating insulating cover C according to the present invention. In particular, the production of the heating insulating cover C using the mold and the introduction of the detachable member 61 are shown.

3 and 4, the mold m is used as a jig for manufacturing the heating heat insulation cover C, and has a diameter equal to the diameter of the pipe to be applied or a value corresponding to the error range It is preferable to have a diameter.

The present invention according to the embodiment of FIG. 4 further comprises a fixing member 63 provided on the outer surface of the envelope 4 and a fixing member 61 fixed to the fixing member 63, A light projecting unit 611 located above the display unit 53 of the leakage sensing unit 5 is provided in a part of the area.

The fixing member 63 and the attaching / detaching member 61 are preferably formed of Velcro or the like so as to be detachable and attachable for ease of attachment and detachment to the piping. The heating and warming cover C is attached to the piping and then the fixing member 63 composed of male velcro and the detachable member 61 composed of the male balancer are coupled to each other to couple the detachable member 61 to the fixing member 63 Finishing is possible. Of course, as can be seen from Fig. 4, the engagement between the other end of the attaching / detaching member 61 (the opposite side of the portion to be engaged with the fixing member 63) and the outer covering 4 can be achieved by the fixing member 63 Or may be bonded using an adhesive member such as a bond, hot melt or the like.

 At this time, the transparent portion 611 provided in a part of the detachable member 61 overlaps with the display portion 53 of the leak detection portion 5, and the current state of the sensing element 50 displayed on the display portion 53 . In addition, as with the display portion 53, the transparent portion 611 is also preferably made of a non-definite material.

5 shows modified examples (5A to 5D) of the leak detection unit according to the present invention.

First, Fig. 5A shows the implementation of the leakage sensing portion 5A provided with the sensing element 50 as a basic implementation of the heating heat insulation cover C of this embodiment.

5 (B) shows the implementation of the leakage sensing portion 5B in which the light-transmitting protective portion 55 is provided on the upper portion of the sensing body 50. As shown in Fig. The protection unit 55 is preferably made of a translucent material so that the change of the detection unit 50 can be confirmed. The protection unit 55 is fixed in a form covering the upper portion of the detection unit 50, And it is more preferable that the sensing element 50 be sealed.

Next, Fig. 5 [C] shows another embodiment of the present heating and insulation cover C, in which the attachment member B provided adjacent to both ends of the sensing element 50, and the attachment / detachment / And a lid portion 57 covering the upper portion of the sensing element 50. The leakage sensing portion 5C includes a lid portion 57, Here, the lid part 57 serves to protect the sensing element 50 from external influences, and conceals the sensing element 50 to prevent design aesthetic degradation due to the sensing element 50. [

5D includes a lid portion 57 having an attachment member B at both ends and a leakage sensing portion 5D having a sensing body 50 which is covered to be in contact with the upper portion of the lid portion 57 ). ≪ / RTI > 5D is an embodiment in which the lid part 57 is first attached to the outer skin 4 and the sensing part 50 is superimposed on the lid part 57. The lid part 57 is placed on the bottom And the sensing element 50 serves as a cover.

Although the illustration of the protection portion 55 is omitted in the implementation of Figs. 5C and 5D, the introduction of the protection portion 55 according to the selection of the implementer is also possible in the above-described embodiment.

In addition, the above-described attachment member (B) is generally provided with a valve or the like in terms of ease of detachment and attachment.

Although detailed description of the power supply line p (see FIG. 4) and the heat insulating material 3 (see FIGS. 1 and 2) for supplying power to the heating element 20 is omitted in the detailed description of the present invention, It is possible to carry out by understanding and reasoning.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention. Should be construed as being included in the scope of the present invention.

C: Heating heat insulation cover 1: Endothelium
2: Claus 20: Heating element
3: Insulation 4: Sheath
5: leak detection part 50: sensing part
500: aqueous material 51: mesh
53:
61: attachment / detachment member 63: fixing member
611:

Claims (4)

An inner skin contacting the outer surface of the pipe;
A hot wire cloth laminated on the upper portion of the inner tube and having a heating element;
A heat insulating material laminated on the hot wire cloth; And
A casing laminated on the heat insulating material;
, ≪ / RTI >
Wherein a leakage sensing part is provided in a part of the space to insert a sensor for detecting the leakage of the pipe.
The method according to claim 1,
The leak detector
And a light transmitting display unit provided on the upper portion of the sensing unit, the mesh being provided at a lower portion of the sensing unit and contacting the outer surface of the sensing unit.
3. The method according to claim 1 or 2,
The sensing element
Includes litmus test strips,
Further comprising an aqueous material applied to a part of the surface of the litmus test paper.
3. The method of claim 2,
Wherein a fixing member is provided on the outer surface of the shell,
And a detachable member fixed to the fixing member,
Wherein the heat insulating cover is provided at a part of the detachable member,

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