KR102164563B1 - Clamp heater having plane heater - Google Patents

Abstract

One embodiment of the present invention provides a clamp having a planar heating body to have a heating function supplying heat to a pipe. According to an embodiment of the present invention, a clamp heater comprises: a circular ring-shaped clamp main body unit formed by coupling a first main body and a second main body each having a semi-circular ring shape and having planar surfaces on left, right, rear, and front sides; a planar heating unit coupled to the surface of the first main body or the surface of the second main body and generating heat when a current is applied; a first cover having a shape of the surface of the first main body to be coupled to the surface of the first main body and cover the planar heating unit; a second cover having a shape of the surface of the second main body to be coupled to the surface of the second main body and cover the planar heating unit; and a fixing unit coupled to the first main body and the second main body to fixate a clamp main body.

Description

Clamp heater using a planar heating element {CLAMP HEATER HAVING PLANE HEATER}

The present invention relates to a clamp heater using a planar heating element, and more specifically, to a clamp provided with a planar heating element and having a heat generating function for supplying heat to a pipe.

Clamps have a variety of uses, such as fastening parts to connect parts such as pipes or attaching workpieces to separate machine tools. Among them, various functions are required for clamps for fastening pipes used in the production process according to the characteristics of the fluid flowing through the pipes.

In recent years, a technology for maintaining a constant temperature of a fluid flowing along a pipe in a semiconductor production process is required, and accordingly, functions such as thermal insulation and heat generation of a clamp for fastening the pipes are also required.

In Korean Patent Application Laid-Open No. 10-2007-0043455 (name of the invention: a pipe connection clamp), as fixing a pipe connection part, a body surrounding the pipe connection part; A tightening means for connecting a portion of the body and adjusting the length of the connection portion to make close contact between the pipe connection portion and the body; And a heating means for heating the pipe connection part by contacting the body.

Republic of Korea Patent Publication No. 10-2007-0043455

An object of the present invention for solving the above demand is to add a heating function to a clamp for fastening pipes.

In addition, an object of the present invention is to simplify the configuration of the clamp and increase the heating efficiency while adding a heating function to the clamp.

The technical problem to be achieved by the present invention is not limited to the technical problems mentioned above, and other technical problems that are not mentioned can be clearly understood by those of ordinary skill in the technical field to which the present invention belongs from the following description. There will be.

The configuration of the present invention for achieving the above object includes: a circular ring-shaped clamp body portion formed by combining a first body and a second body, each having a flat surface on both front and rear sides, and having a half shape of a circular ring; A planar heating unit that is coupled to the plane of the first body or the plane of the second body and generates heat when electricity is applied; A first cover formed in a shape along a plane of the first body, coupled to the plane of the first body, and covering the planar heating part; A second cover formed in a shape along the plane of the second body, coupled to the plane of the second body, and covering the planar heating part; And a fixing part which is coupled to the first body and the second body to fix the clamp body.

In an embodiment of the present invention, the first retracting groove is formed in the shape of a groove along the plane of the first body and into which the planar heating unit is inserted, and the surface is formed in the shape of a groove along the plane of the second body. It may further include a second inlet groove, into which the heating unit is introduced.

In an embodiment of the present invention, the planar heating unit includes a substrate, a planar heating element formed on the substrate and including carbon nanotubes, and a terminal formed to contact the heating element on the substrate to apply electricity to the heating element, It can be provided.

In an embodiment of the present invention, a first insulator is formed between the planar heating unit and the first cover in a shape along the plane of the first body to insulate the heat of the planar heating unit and perform a thermal insulation function, and the It may further include a second insulator that has a shape along a plane of the second body and is formed between the planar heating unit and the second cover to insulate heat of the planar heating unit and perform a thermal insulation function.

In an embodiment of the present invention, the fixing part is a fixing bolt, a bolt having a head hole in the shape of a hole in the head part, and a male thread formed on the outer surface of the shaft part, and a linear groove as a linear groove on the side in a tubular shape. A fixing nut, which is a nut having a female thread formed therein, and a latch that is inserted into an inlet hole, which is a hole formed in the second body, is elastically variable in length, and has an end portion coupled to the linear groove.

In an exemplary embodiment of the present invention, an upper rivet may further include an upper portion of the first cover, an upper portion of the first body, and an upper rivet penetrating the head portion hole of the fixing bolt.

In an embodiment of the present invention, a first lower rivet penetrating the lower portion of the first cover and the lower portion of the first body, and a second lower rivet penetrating the lower portion of the second cover and the lower portion of the second body. , May further include.

In an exemplary embodiment of the present invention, a lower bolt coupled to a hole formed under the first body or a lower portion of the second body may be further included.

An effect of the present invention according to the configuration as described above is that it is possible to provide a clamp heater that prevents heat loss of fluid flowing in a pipe by adding a heat generating function to the clamp by coupling the planar heating element to the clamp.

In addition, the effect of the present invention is that the clamp heater is coupled to the connection part of the 3-way valve and the pipe, and is positioned so as to contact the 3-way valve heater, so as to heat the pipe. At the same time, the heat loss of the 3-way valve and 3-way valve heater can be minimized.

In addition, the effect of the present invention is that by using the planar heating element including carbon nanotubes, the configuration of the clamp heater can be simplified and the size of the clamp heater can be prevented from increasing.

In addition, the effect of the present invention is that the heating efficiency of the clamp heater can be increased by using a planar heating element including carbon nanotubes.

The effects of the present invention are not limited to the above effects, and should be understood to include all effects that can be inferred from the configuration of the invention described in the detailed description or claims of the present invention.

1 is a perspective view of a clamp heater using a planar heating element according to an embodiment of the present invention.
2 is an exploded perspective view of a clamp heater using a planar heating element according to an embodiment of the present invention.
3 is an enlarged image of a part of an exploded perspective view of a clamp heater using a planar heating element according to an embodiment of the present invention.
4 is a front view of a planar heating unit according to an embodiment of the present invention.
5 is a perspective view of a clamp heater according to an embodiment of the present invention combined with another device.
6 is an exploded perspective view of a combination of a clamp heater with another device according to an embodiment of the present invention.

Hereinafter, the present invention will be described with reference to the accompanying drawings. However, the present invention may be implemented in a number of different forms, and therefore is not limited to the exemplary embodiments described herein. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and similar reference numerals are assigned to similar parts throughout the specification.

Throughout the specification, when a part is said to be "connected (connected, contacted, bonded)" with another part, it is not only "directly connected", but also "indirectly connected" with another member in the middle. "Including the case. In addition, when a part "includes" a certain component, it means that other components may be further provided, rather than excluding other components unless specifically stated to the contrary.

The terms used in this specification are used only to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this specification, terms such as "comprise" or "have" are intended to designate the presence of features, numbers, steps, actions, components, parts, or a combination thereof described in the specification, but one or more other features. It is to be understood that the presence or addition of elements or numbers, steps, actions, components, parts, or combinations thereof, does not preclude in advance.

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

1 is a perspective view of a clamp heater 10 using a planar heating element according to an embodiment of the present invention, Figure 2 is an exploded perspective view of a clamp heater 10 using a planar heating element according to an embodiment of the present invention, 3 is an enlarged image of a part of an exploded perspective view of the clamp heater 10 using a planar heating element according to an embodiment of the present invention. And, Figure 4 is a front view of the planar heating unit according to an embodiment of the present invention.

Hereinafter, a description of the front and rear vertical and horizontal directions may be based on direction indications shown in FIGS. 1 to 3. The clamp heater 10 of the present invention may be formed to grip and fix the pipes to be connected in order to connect the pipes 40 or to hold and fix the connection part for connection between the pipes 40 and other devices.

As shown in FIGS. 1 to 3, the clamp heater 10 of the present invention has a flat surface on both front and rear sides, and the first body 100 and the second body 200, which are half-shaped circular rings, are combined A circular ring-shaped clamp body to be formed; A planar heating unit 300 that is coupled to the plane 111 of the first body or the plane 211 of the second body and generates heat when electricity is applied; A first cover 510 formed in a shape along the plane 111 of the first body, coupled to the plane 111 of the first body, and covering the planar heating unit 300; A second cover 520 formed in a shape along the plane 211 of the second body, coupled to the plane 211 of the second body, and covering the planar heating unit 300; And a fixing part that is coupled to the first body 100 and the second body 200 to fix the clamp body. Here, the planar heating unit 300 is formed according to the shape of the plane 111 of the first body or the shape of the plane 211 of the second body, and is formed to be symmetrical, and the plane 111 of the first body The shape of or the shape of the plane 211 of the second body may be the same. That is, the shape of the surface heating unit 300 coupled to the first body 100 and the surface heating unit 300 coupled to the second body 200 may be the same.

In addition, the clamp heater 10 of the present invention is formed in the shape of a groove along the plane 111 of the first body, the first inlet groove 112 into which the planar heating unit 300 is inserted, and the second body It may further include a second lead-in groove 212, which is formed in the shape of a groove along the plane 211 and into which the planar heating part 300 is inserted.

The first body 100 includes a first body body 110 formed of a material that facilitates heat transfer and having a first lead-in groove 112, and a first body body 110 formed in a shape surrounding the first body body 110 A body cover 120 may be provided. And, the second body 200 is formed in a shape surrounding the second body body 210 and the second body body 210 is formed of a material that is easy to transfer heat and the second inlet groove 212 is formed. A second body cover 220 may be provided. Here, the first body cover 120 and the second body cover 220 may be formed of metal or synthetic resin.

In addition, the first body body 110 and the second body body 210 are in contact with the connected pipes, and a space is formed inside the first body body 110 or the second body body 210. When the first body body 110 or the second body body 210 is heated by the heating unit 300, the air in the space inside the first body body 110 or the second body body 210 is heated and insulated By implementing the effect, the heating efficiency of the clamp heater 10 of the present invention can be increased.

As shown in FIG. 4, the planar heating unit 300 is formed on a substrate 330 and a substrate 330 formed in a shape along the plane 111 of the first body or the plane 211 of the second body. A surface heating element 310 including carbon nanotubes or carbon nanoparticles, and a terminal 320 formed to contact the heating element 310 on the substrate 330 to apply electricity to the heating element 310, may be provided. have. Here, the substrate 330 may be formed of one or more materials selected from the group consisting of a polymer material such as polyimide (PI), ceramic, quartz, heat-resistant glass, metal, and mica. It may be formed according to the shape of the plane 111 of the first body or the plane 211 of the second body.

The width of the heating element 310 of the surface heating unit 300 may be formed to be 5 to 13 millimeters (mm), and the linear distance between both ends of the heating element 310 may be formed to be 40 to 140 millimeters (mm). In addition, the resistance of the heating element 310 may be formed of 200 to 1000 ohms (Ω).

In addition, the heating element 310 is formed by printing a heating paste composition on the substrate 330, and the heating paste composition is 3 to 6 parts by weight of carbon nanotube particles and 0.5 to 30 carbon nanoparticles based on 100 parts by weight of the heating paste composition. Parts by weight, 10 to 30 parts by weight of a mixed binder, 29 to 83 parts by weight of an organic solvent, 0.5 to 5 parts by weight of a dispersant, and the mixed binder is an epoxy acrylate or hexamethylene diisocyanate, polyvinyl acetal and a phenolic resin. It can be formed by mixing.

Further, the terminal 320 may be formed by printing a terminal paste composition on the substrate 330 or on the heating element 310. In addition, the terminal paste composition may include 6 to 50 parts by weight of the mixed binder, 10 to 30 parts by weight of the organic solvent, and 0.1 to 5 parts by weight of the dispersant based on 100 parts by weight of the silver powder.

Silver powder is a conductive metal that imparts electrical properties to the terminal paste composition, and a silver compound may be used in addition to pure silver powder, and the purity may not be particularly limited as long as the properties required for the terminal 320 are satisfied.

The mixed binder may be a mixture of 10 to 100 parts by weight of polyvinyl butyral resin and 10 to 300 parts by weight of hexamethylene diisocyanate based on 100 parts by weight of the phenolic resin. And, the organic solvent is a mixture of two or more selected from butyl carbitol, butyl carbitol acetate, butyl cellosolve, butyl cellosolve acetate, propylene glycol monomethyl ether, dipropylene glycol monomethyl ether, dibasic ester, and cyclohexanone It can be a solvent. In addition, the dispersant may be contained in an amount of 0.1 to 5 parts by weight based on 100 parts by weight of the terminal paste composition as an organic additive to make dispersion more smooth.

The terminal 320 may be connected to a wire that supplies electricity from the outside, and the wire passes through a hole through the first body cover 120 or a hole through the second body cover 220 to each surface heating unit. It may be connected to the terminal 320 of 300.

The clamp heater 10 of the present invention is formed between the planar heating unit 300 and the first cover 510 in a shape along the plane 111 of the first body to insulate the heat of the planar heating unit 300 Heat of the first insulator 610, which performs an insulating function, and is formed between the planar heating unit 300 and the second cover 520 in a shape along the plane 211 of the second body. It may further include a second insulator 620, which insulates and performs a thermal insulation function. The first insulator 610 and the second insulator 620 may be formed of a synthetic resin or ceramic material having excellent insulating and insulating effects, but are not limited thereto.

The front end of the first body cover 120 protrudes in a forward direction than the surface of the first body 110 adjacent thereto to form an end, and the rear end of the first body cover 120 is adjacent to the first body body 110 ) Protruding from the surface in a rearward direction to form a stage, so that each first insulator 610 may be installed in a space formed by each stage.

Likewise, the front end portion of the second body cover 220 protrudes in the forward direction than the surface of the second body body 210 adjacent thereto to form an end, and the rear end of the second body cover 220 is adjacent to the second body body. Each second insulator 620 may be installed in a space formed by each step by protruding in a rearward direction than the surface of 210 to form a step.

Accordingly, the first insulator 610 is in close contact with the planar heating unit 300 inserted into the first lead-in groove 112, and the second insulator 620 is inserted into the second lead-in groove 212. It is in close contact with 300 and is prevented from vibration of the first insulator 610 and the second insulator 620 due to external shock, vibration, etc., thereby preventing damage to the planar heating unit 300 and each insulator, The surface heating unit 300 is in close contact with each of the surface heating units 300 to the first body 110 and the second body body 210, so that the heat transfer efficiency of the surface heating unit 300 may be increased.

As described above, the first body body 110 and the second body body 210 are provided with a first retracting groove 112 and a second retracting groove 212, and the first retracting groove 112 and the second retracting groove Since the surface heating unit 300 is installed in the groove 212 and the first insulator 610 and the second insulator 620 are formed on the surface heating unit 300, the pipe is generated from the surface heating unit 300 Heat transfer efficiency of the heat transferred to (40) can be increased.

The fixing part is a fixing bolt 410, which is a bolt formed with a head hole 411a in the shape of a hole in the head part 411 and has a male screw 712 acid on the outer surface of the shaft part 412, The linear groove 421 is formed and is inserted into the nut, which is a nut with a female thread 712 therein, and the inlet hole 240, which is a hole formed in the second body 200, so that the length is elastically variable and the end portion is a linear groove. It may be provided with a catch 430, which is coupled to the 421.

A first fixing groove 130, which is a groove to which the head portion 411 of the fixing bolt 410 is positioned and fixed, is formed on the upper part of the first body 100, and a fixing bolt 410 is formed on the upper part of the second body 200. A second fixing groove 230, which is a groove in which the fixing nut 420 coupled with) is located may be formed.

In addition, the second fixing groove 230 is formed in multiple stages, and a portion 231 of the second fixing groove, which is a relatively narrow right-direction portion of the second fixing groove 230, includes the fixing bolt 410 and When the upper portion of the first body 100 and the upper portion of the second body 200 are close due to the coupling of the fixing nut 420, the head portion 411 may be positioned. In addition, the other portion 232 of the second fixing groove, which is a relatively wide left-facing portion in the second fixing groove 230, is coupled to the fixing bolt 410 and the fixing nut 420 to form the first body ( When the upper portion of 100) and the upper portion of the second body 200 are close, the fixing nut 420 may be positioned.

The fixing nut 420 is a portion that starts coupling with the fixing bolt 410 and may include a pinching portion formed in a shape in which a cross-sectional area perpendicular to the left and right axes gradually decreases from left to right. Here, the portion of the second fixing groove 231 may be formed in a shape that gradually decreases in cross-sectional area perpendicular to the left and right axes in a left-to-right direction, and accordingly, the pinched portion of the fixing nut when forming the clamp body portion (422) may be fitted on a portion of the second fixing groove 231. The pinched portion 422 of the fixing nut and the portion 231 of the second fixing groove are formed in the same shape as above, and the upper portion of the first body 100 by the fixing bolt 410 and the fixing nut 420 And the upper portion of the second body 200 can be easily fixed.

In addition, a lower portion of the first body 100 and a lower portion of the second body 200 may be connected by a hinge portion (not shown). The hinge portion is inserted into the space formed at the lower end of the first body 100 and the space formed at the lower end of the second body 200, and the first lower rivet 721 and the second lower rivet 722 are on both sides of the hinge part. By penetrating the formed hole, the hinge portion and the first body 100 and the second body 200 may be coupled. The hinge portion may be formed in a rectangular shape or a rectangular shape to have a curved side surface in the left-right direction, but is not limited thereto.

The clamp heater 10 of the present invention further includes an upper rivet 711 passing through the upper portion of the first cover 510 and the upper portion of the first body 100 and the head portion hole 411a of the fixing bolt 410, Can include. Specifically, the upper rivet 711 has a shape of a rivet, and the first cover 510 and the first body 100 and the head 411 of the fixing bolt 410 can be riveted by the upper rivet 711. have. The upper rivet 711 is a first cover upper hole 511 that is a through hole formed on the top of the first cover 510 and a first body upper hole 113 and a head hole that is a through hole formed on the first body 100 It may be formed through (411a). In addition, a second cover upper hole 521, which is a through hole formed on the second cover 520, is provided in the second cover 520, and a second body upper hole that is a through hole formed on the second body 200 A 213 may be provided in the second body 200, and a screw 712 may be fixed through the second cover upper hole 521 and the second body upper hole 213.

Accordingly, while the head portion 411 of the fixing bolt 410 is located in the first fixing groove 130, the fixing bolt 410 may be rotatable, and the first cover 510 and the first cover 510 by the upper rivet 711 The first body 100 may be coupled, and the second cover 520 and the second body 200 may be coupled by a screw 712.

The lead-in hole 240 may be formed on the surface of the other portion 232 of the second fixing groove in a downward direction from an upward direction, and may have a shape having an upper end open and a lower end closed. In addition, a spring (not shown) is formed in the inlet hole 240 to be coupled to the stopper 430. A linear groove 421 is formed along the longitudinal direction of the fixing nut 420 on the side of the tube-shaped fixing nut 420, and the locking member 430 has a hemispherical protrusion at the top, and the protrusion of the locking bolt (431) may be coupled to catch the linear groove (421). Accordingly, when the fixing nut 420 is rotated, the length of the locking member 430 is elastically changed by the spring, so that the protrusion 431 of the locking member is moved from one linear groove 421 to another linear groove 421 ) To change the destination. As described above, the locking bolt 430 is coupled to the linear groove 421, so that the fixing nut 420 coupled with the fixing bolt 410 may be prevented from loosening.

The clamp heater 10 of the present invention includes a first lower rivet 721 penetrating a lower portion of the first cover 510 and a lower portion of the first body 100, and a lower portion and a second portion of the second cover 520. A second lower rivet 722 penetrating the lower portion of the body 200 may be further included. Specifically, the first lower rivet 721 and the second lower rivet 722 are in the shape of a rivet, and the first cover 510 and the first body 100 are rivet-coupled by the first lower rivet 721. The second cover 520 and the second body 200 may be rivet-coupled by the second lower rivet 722. The first lower rivet 721 includes a first cover lower hole 512 that is a through hole formed under the first cover 510 and a first body lower hole 114 that is a through hole formed under the first body 100. It may be formed through a hole on one side of the holes formed in the hinge. In addition, a second cover lower hole 522, which is a through hole formed under the second cover 520, is provided in the second cover 520, and a second body lower hole that is a through hole formed under the second body 200 214 may be provided in the second body 200, and the second lower rivet 722 is provided on the other side of the second cover lower hole 522 and the second body lower hole 214 and the hole formed in the hinge. It can be fixed through the hole.

The clamp heater 10 of the present invention may further include a lower bolt 800 coupled to a hole formed under the first body 100 or a hole formed under the second body 200. Each lower bolt 800 has a hole formed therein, and one wire passes through the hole of the lower bolt 800 and the first body cover 120 on one side of the terminal 320 of the planar heating unit 300 on one side. And the other wire may pass through the hole of the lower bolt 800 on the other side and the second body cover 220 to be connected to the terminal 320 of the planar heating unit 300 on the other side. By inserting an electric wire into the hole of the lower bolt 800, the electric wire may be stably supported by the lower bolt 800.

By the configuration as described above, it is possible to provide a clamp heater 10 that prevents heat loss of fluid flowing in the pipe 40, and by using a planar heating element including carbon nanotubes for the planar heating unit 300 , It is possible to simplify the configuration of the clamp heater 10 and prevent an increase in the size of the clamp heater 10 and increase heat generation and heat insulation efficiency of the clamp heater 10.

5 is a perspective view of a clamp heater 10 according to an embodiment of the present invention coupled to another device, and FIG. 6 is a view illustrating a clamp heater 10 according to an embodiment of the present invention coupled to another device. It is an exploded perspective view. Specifically, FIG. 4 is a perspective view in which the clamp heater 10 of the present invention and the pipe 40 and the 3-way Valve Heater 20 are combined, and FIG. 5 is an exploded view of the matter of FIG. It is a perspective view.

5 and 6, a three-way valve heater 20 is coupled to a three-way valve 30, and three pipes 40 are coupled to the three-way valve 30. I can. In addition, the clamp heater 10 of the present invention may be coupled to each connection portion to which the three-way valve 30 and the three pipes 40 are connected. When configured in this way, the clamp heater 10 of the present invention may be positioned to be in contact with the three-way valve heater 20, and accordingly, each clamp heater 10 transmits heat to each pipe 40. At the same time as the transfer, the clamp heater 10 and the three-way valve heater 20 are indirectly heated to each other, so that the heat loss of the three-way valve 30 and the three-way valve heater 20 can be minimized.

Hereinafter, a method of installing the clamp heater 10 at a connection portion of both pipes will be described.

In the first step, the first body 100 combined with the planar heating unit 300, the first insulator 610, the first cover 510, the lower bolt 800 and the fixing bolt 410, and the planar heating unit A second body 200 combined with the 300 and the second insulator 620 and the second cover 520 may be provided. In the second step, the first body 100 and the second body 200 combined with each of the components as described above may be placed in close contact with the connection portion of the pipes. In the third step, by rotating the fixing bolt 410, the head portion 411 of the fixing bolt 410 is positioned in the first fixing groove 130, and the shaft portion 412 of the fixing bolt 410 is positioned in the second fixing groove 230. ). In the fourth step, the fixing bolt 410 and the fixing nut 420 are combined, and by rotating the fixing nut 420 by rotating the head part 423 of the fixing nut having a polygonal cross section, the fixing bolt 410 The head portion 411 and the pinching portion 422 of the fixing nut are brought closer to each other so that the pinching portion 422 of the fixing nut can be fitted into the portion 231 of the second fixing groove, and the fixing nut ( By further rotating the 420, the first body 100 and the second body 200 are in close contact with the pipe 40 so that the clamp heater 10 can easily grip the pipe 40. In the fifth step, electricity is applied to the surface heating unit 300 so that heat can be transferred from the surface heating unit 300 to the pipe 40.

The above description of the present invention is for illustrative purposes only, and those of ordinary skill in the art to which the present invention pertains will be able to understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, it should be understood that the embodiments described above are illustrative and non-limiting in all respects. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as being distributed may also be implemented in a combined form.

The scope of the present invention is indicated by the claims to be described later, and all changes or modified forms derived from the meaning and scope of the claims and their equivalent concepts should be interpreted as being included in the scope of the present invention.

10: clamp heater 20: 3-way valve heater
30: 3-way valve 40: piping
100: first body 110: first body body
111: the plane of the first body 112: first entry groove
113: first body upper hole 114: first body lower hole
120: first body cover 130: first fixing groove
200: second body 210: second body body
211: plane of the second body 212: second entry groove
213: second body upper hole 214: second body lower hole
220: second body cover 230: second fixing groove
231: part of the second fixing groove 232: other part of the second fixing groove
240: inlet hole 300: surface heating part
310: heating element 320: terminal
330: board 410: fixing bolt
411: head portion 411a: head portion hole
412: shaft part 420: fixing nut
421: linear groove 422: pinched portion of the fixing nut
423: head portion of the fixing nut 430: catch
431: protrusion of the bracket 510: first cover
511: first cover upper hole 512: first cover lower hole
520: second cover 521: second cover upper hole
522: second cover lower hole 610: first insulator
620: second insulator 711: upper rivet
712: screw 721: first lower rivet
722: second lower rivet 800: lower bolt

Claims (8)

A circular ring-shaped clamp body formed by combining the first body and the second body, each having a flat surface on both front and rear sides, and having a half shape of a circular ring;
A planar heating unit that is coupled to the plane of the first body or the plane of the second body and generates heat when electricity is applied;
A first cover formed in a shape along a plane of the first body, coupled to the plane of the first body, and covering the planar heating part;
A second cover formed in a shape along the plane of the second body, coupled to the plane of the second body, and covering the planar heating part; And
A clamp heater using a planar heating element comprising a; a fixing part that is coupled to the first body and the second body to fix the clamp body.
The method according to claim 1,
A first inlet groove formed in the shape of a groove along the plane of the first body and into which the planar heating unit is inserted, and
Clamp heater using a planar heating element, characterized in that it further comprises a second inlet groove formed in the shape of a groove along the plane of the second body and into which the planar heating unit is introduced.
The method according to claim 1,
The planar heating unit,
Board,
A planar heating element formed on the substrate and including carbon nanotubes, and
A clamp heater using a planar heating element comprising a terminal formed on the substrate to contact the heating element to apply electricity to the heating element.
The method according to claim 1,
A first insulator formed between the planar heating unit and the first cover in a shape along the plane of the first body to insulate the heat of the planar heating unit and perform a thermal insulation function, and
A planar heating element, characterized in that it further comprises a second insulator formed between the planar heating unit and the second cover in a shape along the plane of the second body to insulate heat from the planar heating unit and perform a thermal insulation function. Clamp heater using.
The method according to claim 1,
The fixing part,
A fixing bolt, which is a bolt with a head hole in the shape of a hole in the head and a male thread on the outer surface of the shaft,
A fixing nut, which is a nut in which a linear groove, which is a linear groove, is formed on the side in a tubular shape and a female thread is formed inside, and
Clamp heater using a planar heating element, characterized in that it is inserted into the lead-in hole, which is a hole formed in the second body, is elastically variable in length, and has an end portion having a latch for engaging the linear groove.
The method of claim 5,
Clamp heater using a planar heating element, characterized in that it further comprises an upper rivet passing through the upper portion of the first cover and the upper portion of the first body and the head portion hole of the fixing bolt.
The method according to claim 1,
A first lower rivet penetrating the lower portion of the first cover and the lower portion of the first body, and
Clamp heater using a planar heating element, characterized in that it further comprises a second lower rivet penetrating the lower portion of the second cover and the lower portion of the second body.
The method of claim 7,
Clamp heater using a planar heating element, characterized in that it further comprises a lower bolt coupled to the hole formed in the lower portion of the first body or the hole formed in the lower portion of the second body.

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