CN111800898A - Packaging method and structure of heat conduction strip with power terminal - Google Patents
Packaging method and structure of heat conduction strip with power terminal Download PDFInfo
- Publication number
- CN111800898A CN111800898A CN201910274815.1A CN201910274815A CN111800898A CN 111800898 A CN111800898 A CN 111800898A CN 201910274815 A CN201910274815 A CN 201910274815A CN 111800898 A CN111800898 A CN 111800898A
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- China
- Prior art keywords
- carbon fiber
- fiber wire
- metal end
- power terminal
- end part
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/54—Heating elements having the shape of rods or tubes flexible
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
- H05B3/145—Carbon only, e.g. carbon black, graphite
Abstract
The invention relates to a packaging method and a structure of a heat conduction strip with a power terminal, wherein the structure of the heat conduction strip with the power terminal comprises the following steps: a carbon fiber yarn unit composed of a plurality of carbon fiber yarns and having a carbon fiber yarn section; the plastic sleeve is used for coating the carbon fiber wire unit, is provided with a power supply terminal, is inserted into the plastic sleeve and is provided with a first metal end part electrically connected with the carbon fiber wire part and a second metal end part opposite to the first metal end part and exposed out of the plastic sleeve; and the fixing piece is sleeved and fixed on the clamping end part of the plastic sleeve, and the clamping end part, the carbon fiber wire part and the first metal end part are combined into a whole, so that the defect of clamping and contacting the carbon fiber wire is improved, and the aims of reducing the risk of breaking the carbon fiber wire, avoiding poor contact and prolonging the service life are fulfilled.
Description
Technical Field
The present invention relates to a heat conducting strip, and more particularly, to a method and a structure for packaging a heat conducting strip with power terminals.
Background
Generally, heat conductive strips with flexibility and light weight are commonly disposed on blankets, clothes, knee pads, waist supports, gloves, insoles, earmuffs or lumbar supports to provide warm covering for human body.
Referring to taiwan application No. 99109336, a method for manufacturing a flexible flat strip heater using carbon fiber as a heat source is provided, which comprises the following steps: (a) using a carbon fiber filament; (b) arranging a thermoplastic plastic material on the opposite side edges of the carbon fiber filaments; (c) rolling the thermoplastic plastic material with self-viscosity to combine the thermoplastic plastic material with each other and wrap the carbon fiber filaments therein; and (d) arranging power supply terminals at the two opposite ends of the carbon fiber wire. The flexible flat strip heater can be widely used for small articles such as clothes, waist supports, gloves and the like and large articles such as blankets, quilts and the like as a source for warming human bodies.
The carbon fiber yarn has the characteristics of high strength, high elasticity, high thermal oxidation resistance, excellent thermal conductivity, electromagnetic wave shielding property, wear resistance, vibration resistance, X-ray penetration, impact resistance, good size stability and high affinity to organisms; on the other hand, the composite material has a disadvantage that it is not sufficiently impregnated with metal after being formed into a composite material, and is easily broken at the moment of impact.
As shown in fig. 1, before the power terminal 11 of the heat conducting strip 10 is packaged, the carbon fiber 12 has the connecting section 121 exposed at both ends of the thermoplastic plastic sheath 13, and the power terminal 11 is directly clamped and contacted with the connecting section 121 of the carbon fiber 12 during packaging, so that the connecting section 121 of the carbon fiber 12 is easily clamped and broken during packaging of the power terminal 11, and the defect of low manufacturing yield is highlighted. In addition, since the power terminal 11 is directly clamped and contacted with the connecting section 121 of the carbon fiber 12 during packaging, when the power terminal 11 is repeatedly bent relative to the thermoplastic plastic sheath 13, part of the carbon fiber 12 is easily torn by the power terminal, and even all of the carbon fiber 12 is broken, which highlights the defect of insufficient service life and increases the problem of poor contact.
In addition, before the power terminal 11 of the heat conducting strip 10 is packaged, a positioning mold is clamped on the thermoplastic plastic sleeve 13, so that one end of the thermoplastic plastic sleeve 13 is fixed, a snapping mold is clamped on the other end of the thermoplastic plastic sleeve 13, the snapping mold is pulled in a direction away from the positioning mold, so that a part of the thermoplastic plastic sleeve 13 is peeled off from the original thermoplastic plastic sleeve 13, and a part of the carbon fiber wires 12 are exposed out of the thermoplastic plastic sleeve 13, but the problem of snapping the carbon fiber wires 12 is easily caused while peeling off the thermoplastic plastic sleeve 13, and therefore, how to solve the problems and the defects is the direction to be researched and improved by the invention.
Disclosure of Invention
The invention aims to provide a packaging method and a structure of a heat conducting strip with a power terminal, which mainly improve the defect that a carbon fiber wire is easy to break due to direct clamping contact of the carbon fiber wire and stripping of a plastic sleeve when the power terminal is packaged, so as to reduce the breakage of the carbon fiber wire, avoid poor contact and prolong the service life.
To achieve the above object, the present invention provides a method for packaging a heat conducting strip with power terminals, comprising the following steps: (A) coating a plastic sheath with a carbon fiber yarn unit, the plastic sheath having a clamping end, the carbon fiber yarn unit having a carbon fiber yarn portion shielded by the clamping end; (B) inserting a power supply terminal into the plastic sleeve, so that a first metal end part at one end of the power supply terminal is electrically connected with the carbon fiber wire part, and a second metal end part at the other end of the power supply terminal is exposed out of the plastic sleeve; and (C) taking a fixing piece, sleeving the clamping end part of the plastic sleeve, and combining the clamping end part, the carbon fiber wire part and the first metal end part into a whole after pressurization.
Preferably, in step (B), the first metal end of the power terminal and the second metal end have the same structure, the first metal end penetrates through the first circular hole, the second metal end penetrates through the second circular hole, and after the fixing member is pressed, a part of the carbon fiber filament portion of the fixing member forms a convex arc section toward the first circular hole, and the convex arc section is used for being clamped at the hole edge of the first circular hole.
Preferably, a step (D) is further included between step (a) and step (B) of the method for packaging a heat conduction strip with power terminals, wherein the step (D) is to pour a conductive substance into the plastic sleeve and contact the carbon fiber wire unit and the power terminals, and during step (B), the first metal end of the power terminal is adhered to the carbon fiber wire portion of the carbon fiber wire unit through the conductive substance, and further, the conductivity of the carbon fiber wire unit and the power terminals can be enhanced.
Preferably, in step (C), the width of the fixing member after being pressed is greater than that of the plastic sleeve.
Preferably, the carbon fiber filament portions are a first carbon fiber filament portion and a second carbon fiber filament portion, and the first metal end portion of the power terminal is disposed between the first carbon fiber filament portion and the second carbon fiber filament portion.
Preferably, in the step (C), after the fixing member is pressed, the fixing member is spaced from the end edge of the plastic sleeve by a distance.
In addition, to achieve the above object, the present invention provides a structure of a heat conducting strip with a power terminal, comprising: a carbon fiber yarn unit composed of a plurality of carbon fiber yarns and having a carbon fiber yarn section; a plastic sheath which covers the carbon fiber wire unit and has a clamping end part for shielding the carbon fiber wire part; the power supply terminal is inserted into the plastic sleeve and is provided with a first metal end part electrically connected with the carbon fiber wire part and a second metal end part opposite to the first metal end part and exposed out of the plastic sleeve; and the fixing piece is sleeved and fixed at the clamping end part of the plastic sleeve, and the clamping end part, the carbon fiber wire part and the first metal end part are combined into a whole.
Preferably, the carbon fiber wire portions are a first carbon fiber wire portion and a second carbon fiber wire portion, and the first metal end portion of the power terminal is adhered to the first carbon fiber wire portion and the second carbon fiber wire portion by a conductive material.
Preferably, the first metal end of the power terminal is the same in structure as the second metal end, the first metal end penetrates through the first circular hole, and the second metal end penetrates through the second circular hole.
Preferably, the fixing piece is spaced from the end edge of the plastic sleeve by a distance.
Drawings
Fig. 1 is a partial perspective cross-sectional view of a prior art thermal strip.
Fig. 2 is a flowchart of a first embodiment of the present invention.
Fig. 3 is an assembled perspective view of the first embodiment of the present invention.
Fig. 4 is an exploded perspective view of the first embodiment of the present invention.
Fig. 5 is a cross-sectional view taken along line 5-5 of fig. 3.
Fig. 6 is a cross-sectional view taken along line 6 of fig. 3.
Fig. 7 is a perspective view of one of the components of the second embodiment of the invention, showing the first circular hole and the second circular hole of the metal sheet.
Fig. 8 is a cross-sectional view of a second embodiment of the present invention.
Fig. 9 is an enlarged sectional view of a third embodiment of the present invention.
FIG. 10 is a flowchart of a third embodiment of the present invention.
Description of the symbols in the drawings:
the prior art is as follows:
Thermoplastic plastic sheath 13
The invention comprises the following steps:
clamping end 11 of plastic sleeve 10
Convex arc section 211 of first carbon fiber filament part 21
Convex arc section 221 of second carbon fiber filament part 22
Detailed Description
The technical solutions of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the following description, similar components are denoted by the same reference numerals.
As shown in fig. 2 to 6, an embodiment of the invention provides a method for packaging a heat conduction strip with power terminals, including the following steps:
(A) coating a plastic sleeve 10 on a carbon fiber wire unit 20, wherein the plastic sleeve 10 is provided with a clamping end part 11, and the carbon fiber wire unit 20 is provided with a first carbon fiber wire part 21 and a second carbon fiber wire part 22 which are shielded by the clamping end part 11; in this embodiment, the length of the plastic sheath 10 is equal to the length of the carbon fiber yarn unit 20. The carbon fiber yarn unit 20 is composed of a plurality of carbon fiber yarns 23, each carbon fiber yarn 23 is a fiber material with chemical inertia and semiconductor performance, and has the excellent performances of light weight, high strength, high elastic modulus, high temperature resistance, acid resistance, no creep and fatigue after long-term stress, strong dimensional stability, high thermal conductivity, small thermal expansion coefficient, small friction coefficient, lubricity and the like. In addition to the strength and weight reduction, the carbon fiber filaments 23 have other advantages including a small thermal expansion coefficient and excellent corrosion resistance, since the specific heat and conductivity are between those of a nonmetal and a metal.
(B) Inserting a power terminal 30 into the plastic sheath 10, wherein the power terminal 30 has a first metal end 31 disposed between the first carbon fiber filament part 21 and the second carbon fiber filament part 22, and a second metal end 32 opposite to the first metal end 31 and exposed out of the plastic sheath 10; in the present embodiment, the first metal end 31 and the second metal end 32 of the power terminal 30 have the same structure.
(C) Taking a fixing piece 40, sleeving the clamping end part 11 of the plastic sleeve 10, combining the clamping end part 11, the first carbon fiber wire part 21, the second carbon fiber wire part 22 and the first metal end part 31 into a whole, and after the fixing piece 40 is pressurized, keeping a distance 50 between the fixing piece 40 and the end edge of the plastic sleeve 10; in the present embodiment, the length 41 of the fixing element 40 is 4 mm, but not limited thereto, and may be greater than 2 mm and less than or equal to 8 mm, and the width 43 of the fixing element 40 after being encapsulated is greater than the width 12 of the plastic sheath 10, so as to prevent the plastic sheath 10 from being distorted and deformed to damage the carbon fiber filament unit 20 covered by the plastic sheath 10. In addition, the distance 50 is formed between the fixing member 40 and the end edge of the plastic sleeve 10 after the fixing member 40 is pressed, so that the fixing member 40 is prevented from touching the power terminal 30 after the fixing member is pressed.
As shown in fig. 7, in some embodiments, the first metal end 31 of the power terminal 30 is identical in structure to the second metal end 32, the first metal end 31 penetrates through the first circular hole 311, and the second metal end 32 penetrates through the second circular hole 321; as shown in fig. 8, when the fixing element 40 is packaged, the first carbon fiber filament portion 21 and a part of the second carbon fiber filament portion 22 form the convex arc sections 211 and 221 toward the first circular hole 311, and the convex arc sections 211 and 221 can be clamped at the hole edge of the first circular hole 311, so that the power terminal 30 is not easily separated by pulling, and the advantage of improving the overall safety is achieved.
As shown in fig. 9 to 10, in some embodiments, the method for packaging a heat conduction bar with a fixing member further includes a step (D) between the step (a) and the step (B), wherein the step (D) is to pour the conductive silver paste 60 into the plastic sheath 10 and the conductive silver paste 60 contacts with the carbon fiber filament unit 20 and the power terminal 30, but not limited thereto, or copper paste, nickel paste, silver carbon paste, etc. during the step (B), the first metal end 31 of the power terminal 30 can be adhered to the first carbon fiber filament part 21 and the second carbon fiber filament part 22 of the carbon fiber filament unit 20, the conductive silver paste 60 is a uniformly dispersed liquid using thermosetting polyester resin and fine chemical silver powder, and has the characteristics of instant or fast curing, low resistance value, high conductivity, etc. when the first metal end 31 of the power terminal 30 is inserted into the carbon fiber filament unit 20, due to the filling of the conductive silver paste 60, the first metal end 31 of the power terminal 30 can be instantly adhered to the first carbon fiber filament part 21 and the second carbon fiber filament part 22, so that the power terminal 30 can be stably adhered and combined in the carbon fiber filament unit 20, and the characteristics of being not easy to separate and having high conductivity are achieved.
The above description is the description of the flow of each step in the embodiment of the present invention. Therefore, as shown in fig. 2 to fig. 6, the present invention provides a structure of a heat conduction strip with a fixing member, which mainly comprises a plastic sheath 10, a carbon fiber unit 20, a power terminal 30, and a fixing member 40, wherein:
a carbon fiber yarn unit 20 composed of a plurality of carbon fiber yarns 23 and having a first carbon fiber yarn part 21 and a second carbon fiber yarn part 22; in this embodiment, the first carbon fiber filament part 21 is located at the upper half part of the carbon fiber filament unit 20, the second carbon fiber filament part 22 is located at the lower half part of the carbon fiber filament unit 20, and two sides of the first carbon fiber filament part 21 and two sides of the second carbon fiber filament part 22 are connected to each other.
The plastic sheath 10 covers the carbon fiber unit 20 and has a clamping end 11 covering the first carbon fiber part 21 and the second carbon fiber part 22.
The power terminal 30 is inserted into the carbon fiber filament unit 20, and has a first metal end 31 disposed between the first carbon fiber filament part 21 and the second carbon fiber filament part 22, and a second metal end 32 opposite to the first metal end 31 and exposed out of the plastic sheath 10.
The fixing piece 40 is fixedly sleeved on the clamping end part 11 of the plastic sleeve 10, the clamping end part 11, the first carbon fiber wire part 21, the second carbon fiber wire part 22 and the first metal end part 31 are combined into a whole, and a distance 50 is formed between the fixing piece 40 and the end edge of the plastic sleeve 10; in this embodiment, the distance 50 is set to avoid the fixing member 40 from touching the power terminal 30 after being pressed.
Because the invention is characterized in that the first metal end part 31 of the power terminal 30 is inserted between the first carbon fiber wire part 21 and the second carbon fiber wire part 22, the second metal end part 32 is exposed out of the plastic sleeve 10, and the power terminal 30 is electrically contacted with the carbon fiber wire unit 20, when the invention is packaged, the outer surface of the plastic sleeve 10 is clamped by the fixing part 40, so that the clamping end part 11, the first carbon fiber wire part 21, the second carbon fiber wire part 22 and the first metal end part 31 are combined into a whole, thereby improving the defect of the fracture of the carbon fiber wire 23 caused by the clamping contact of the carbon fiber wire 23 at present, reducing the fracture of the carbon fiber wire 23, avoiding poor contact and prolonging the service life.
It should be noted that, as shown in fig. 7 to 8, the first metal end 31 and the second metal end 32 of the power terminal 30 have the same structure, the first metal end 31 penetrates through the first circular hole 311, and the second metal end 32 penetrates through the second circular hole 321, so that when the package is performed in the present invention, a part of the first carbon fiber filament portion 21 and a part of the second carbon fiber filament portion 22 will form the convex arc sections 211 and 221 toward the first circular hole 311, and the convex arc sections 211 and 221 can be clamped at the hole edge of the first circular hole 311, so as to achieve the purpose that the power terminal 30 is not easily separated by pulling, and achieve the advantage of improving the overall safety.
As shown in fig. 9, the power terminal 30 is adhered to the first carbon fiber wire portion 21 and the second carbon fiber wire portion 22 by conductive silver paste 60, but not limited thereto, and may be copper paste, nickel paste, silver carbon paste, etc., which mainly increases the stability of inserting the power terminal 30, so that the power terminal 30 is not easily separated from the carbon fiber wire unit 20 and has the purpose of high conductivity.
In summary, the above embodiments are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A method for packaging a heat conducting strip with a power terminal is characterized by comprising the following steps:
(A) coating a plastic sheath with a carbon fiber yarn unit, the plastic sheath having a clamping end, the carbon fiber yarn unit having a carbon fiber yarn portion shielded by the clamping end;
(B) inserting a power supply terminal into the plastic sleeve, so that a first metal end part at one end of the power supply terminal is electrically connected with the carbon fiber wire part, and a second metal end part at the other end of the power supply terminal is exposed out of the plastic sleeve;
(C) and taking a fixing piece, sleeving the clamping end part of the plastic sleeve, and pressurizing to combine the clamping end part, the carbon fiber wire part and the first metal end part into a whole.
2. The method for encapsulating the heat conduction strip with the power terminal in claim 1, wherein in the step (B), the first metal end portion of the power terminal is the same as the second metal end portion, the first metal end portion penetrates through a first circular hole, the second metal end portion penetrates through a second circular hole, and the fixture is pressed to make a part of the carbon fiber filament portion form a convex arc section toward the first circular hole, wherein the convex arc section is used for being clamped at the hole edge of the first circular hole.
3. The method for packaging a heat conduction strip with power terminals as claimed in claim 1, further comprising a step (D) between the steps (a) and (B), wherein a conductive material is poured into the plastic sheath and contacts with the carbon fiber wire unit and the power terminals, and the conductive material is used to adhere the first metal end of the power terminal to the carbon fiber wire portion of the carbon fiber wire unit and enhance the electrical conductivity of the carbon fiber wire unit in connection with the power terminals during the step (B).
4. The method for encapsulating a heat conduction strip with power terminals as claimed in claim 1, wherein in step (C), the width of the fixing member after pressing is larger than the width of the plastic sheath.
5. The method for encapsulating a heat conduction bar having a power terminal as claimed in claim 1, wherein the carbon fiber wire portion is a first carbon fiber wire portion and a second carbon fiber wire portion, and the first metal end portion of the power terminal is disposed between the first carbon fiber wire portion and the second carbon fiber wire portion.
6. The method for encapsulating a heat conduction strip with power terminals as claimed in claim 1, wherein in step (C), the fixing member is pressed to be spaced from the end edge of the plastic sheath.
7. A structure of a heat conduction strip with a power terminal is characterized by comprising:
a carbon fiber yarn unit composed of a plurality of carbon fiber yarns and having a carbon fiber yarn section;
a plastic sheath which covers the carbon fiber wire unit and has a clamping end part for shielding the carbon fiber wire part;
the power supply terminal is inserted into the plastic sleeve and is provided with a first metal end part electrically connected with the carbon fiber wire part and a second metal end part opposite to the first metal end part and exposed out of the plastic sleeve;
and the fixing piece is sleeved and fixed at the clamping end part of the plastic sleeve, and the clamping end part, the carbon fiber wire part and the first metal end part are combined into a whole.
8. The structure of the heat conduction strip with the power terminal as claimed in claim 7, wherein the carbon fiber wire portions are a first carbon fiber wire portion and a second carbon fiber wire portion, and the first metal end portion of the power terminal is adhered to the first carbon fiber wire portion and the second carbon fiber wire portion with a conductive material.
9. The structure of the heat conduction strip with power terminal as claimed in claim 7, wherein the first metal end of the power terminal is the same structure as the second metal end, the first metal end passes through the first circular hole, and the second metal end passes through the second circular hole.
10. The structure of the heat conduction strip with power supply terminals as claimed in claim 7, wherein the fixing member is spaced from the end edge of the plastic sheath by a distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910274815.1A CN111800898A (en) | 2019-04-08 | 2019-04-08 | Packaging method and structure of heat conduction strip with power terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910274815.1A CN111800898A (en) | 2019-04-08 | 2019-04-08 | Packaging method and structure of heat conduction strip with power terminal |
Publications (1)
| Publication Number | Publication Date |
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| CN111800898A true CN111800898A (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910274815.1A Pending CN111800898A (en) | 2019-04-08 | 2019-04-08 | Packaging method and structure of heat conduction strip with power terminal |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4252990A (en) * | 1977-10-18 | 1981-02-24 | Shinetsu Polymer Co | Electronic circuit parts |
| JP2001217058A (en) * | 2000-02-03 | 2001-08-10 | Max Confort:Kk | Linear heater element and its connection structure |
| CN2824328Y (en) * | 2005-08-02 | 2006-10-04 | 中国科学院紫金山天文台 | Electric connector for carbon fibre anode filament |
| CN101420073A (en) * | 2008-11-17 | 2009-04-29 | 钱生宏 | Carbon fiber line having connection terminal |
| CN201742575U (en) * | 2010-06-29 | 2011-02-09 | 金龙俊科技股份有限公司 | Improved structure of soft electric heating element |
| CN202333174U (en) * | 2011-12-01 | 2012-07-11 | 重庆智酷热能设备有限公司 | Connection joint for carbon fiber and metal conducting wire |
| KR101652415B1 (en) * | 2015-07-21 | 2016-08-31 | 주식회사 티에스시 | Heater for Pipe |
-
2019
- 2019-04-08 CN CN201910274815.1A patent/CN111800898A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4252990A (en) * | 1977-10-18 | 1981-02-24 | Shinetsu Polymer Co | Electronic circuit parts |
| JP2001217058A (en) * | 2000-02-03 | 2001-08-10 | Max Confort:Kk | Linear heater element and its connection structure |
| CN2824328Y (en) * | 2005-08-02 | 2006-10-04 | 中国科学院紫金山天文台 | Electric connector for carbon fibre anode filament |
| CN101420073A (en) * | 2008-11-17 | 2009-04-29 | 钱生宏 | Carbon fiber line having connection terminal |
| CN201742575U (en) * | 2010-06-29 | 2011-02-09 | 金龙俊科技股份有限公司 | Improved structure of soft electric heating element |
| CN202333174U (en) * | 2011-12-01 | 2012-07-11 | 重庆智酷热能设备有限公司 | Connection joint for carbon fiber and metal conducting wire |
| KR101652415B1 (en) * | 2015-07-21 | 2016-08-31 | 주식회사 티에스시 | Heater for Pipe |
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Application publication date: 20201020 |