WO2017122875A1 - Flame-retardant electromagnetic wave shielding heat transfer sheet - Google Patents

Flame-retardant electromagnetic wave shielding heat transfer sheet Download PDF

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Publication number
WO2017122875A1
WO2017122875A1 PCT/KR2016/004448 KR2016004448W WO2017122875A1 WO 2017122875 A1 WO2017122875 A1 WO 2017122875A1 KR 2016004448 W KR2016004448 W KR 2016004448W WO 2017122875 A1 WO2017122875 A1 WO 2017122875A1
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WO
WIPO (PCT)
Prior art keywords
cathode
carbon heating
weight
heating wires
sheet
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PCT/KR2016/004448
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French (fr)
Korean (ko)
Inventor
마가은
마정호
박명숙
Original Assignee
주식회사 지브이코리아행복한온열이야기
마가은
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Publication of WO2017122875A1 publication Critical patent/WO2017122875A1/en

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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
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating 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
    • 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—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating 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—Heating 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
    • 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—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/16—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor the conductor being mounted on an insulating base
    • 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
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields

Definitions

  • the present invention relates to a flame-retardant electromagnetic wave shielding heat transfer sheet, and more particularly, it is excellent in flame retardancy and waterproofness to maximize electrical safety as well as to offset the magnetic field, induction and shielding the electric field to the ground to minimize the electromagnetic wave damage It is about a sheet.
  • electromagnetic waves are generated, which adversely affects the human body by electric and magnetic waves.
  • various heating devices used by converting electrical energy into thermal energy and directly contacting the human body such as a thermal mat, an electric blanket, an electric blanket, an electric bed, an electric cushion, and an electric steamer, have a very high risk of electromagnetic waves.
  • Such electric heaters usually have a so-called heat transfer sheet which has good smoothness and durability by wiring linear heating elements and conductors having electrical resistance between the upper and lower insulating radiators on the surface, and dissipates heat by conduction heat of the heating elements.
  • the 'heating mat using the electromagnetic shielding film' published in Korean Patent No. 10-1576545 is a substrate printed with one or more silver heating wires generated by the power supplied from the power supply, and laminated on the upper and lower surfaces of the substrate TPU (Thermoplastic polyurethane) film which protects the silver heating wire and shields the electromagnetic waves, a conductive fabric laminated on top of the TPU film, and a shield formed on top of each conductive fabric to shield electromagnetic waves generated from the heating wire.
  • TPU Thermoplastic polyurethane
  • It consists of a TPU electromagnetic shielding film and a permalloy (Permalloy) laminated on top of each of the TPU electromagnetic shielding film.
  • the heat transfer sheet of the conventional fabric type is used to cut the insulation sheet, the conductor and the carbon heating wire at the same time in a size suitable for a specific application by using a cutter or scissors after continuously arranging one form in order to improve productivity.
  • the heat transfer sheet of the conventional fabric type is used to cut the insulation sheet, the conductor and the carbon heating wire at the same time in a size suitable for a specific application by using a cutter or scissors after continuously arranging one form in order to improve productivity.
  • the morphological characteristics of the carbon heating wire formed by twisting a plurality of thin fibers lint may occur at the cut end, and the current may leak out between the insulating sheets as well as the adhesive of the conductor if used for a long time. Due to the natural hardening of the carbon heating wire and the binding force is reduced, the carbon heating wire is separated from the conductor and freely flows, the contact resistance increases, and as a result, there is a safety problem that causes electrical safety accidents such as power loss and fire.
  • the present inventor focuses on solving the limitations and problems of the existing heat transfer sheet by comprehensively considering the above-mentioned matters, and is thin and thin, and has excellent flexibility, flexibility, and flame retardancy, while effectively canceling the magnetic field and effectively shielding the electric field.
  • the present invention has been devised as a result of constant efforts to develop a new heat transfer sheet capable of uniformly generating heat without temperature variation.
  • the technical problem and object to be solved by the present invention is to provide a heat transfer sheet that can be thin and thin, excellent in flexibility, flexibility and flame retardancy, and effectively cancel the magnetic field and shield the electric field.
  • Another technical problem and object to be solved by the present invention is to provide a heat transfer sheet so that heat generation can occur uniformly.
  • the upper insulating sheet having a constant width
  • the lower insulating sheet corresponding to the lower surface of the upper insulating sheet
  • the upper And a cathode and an anode carbon heating wire which are plurally wired side by side at a predetermined interval between the lower insulation sheets, and attached to a lower surface of the upper insulation sheet to electrically connect one end of the cathode carbon heating wires
  • the upper conductive tape attached to the lower surface of the upper insulating sheet to electrically connect the other ends of the negative carbon heating wires, and one end of the positive carbon heating wires.
  • a positive electrode conductive tape connected to the positive electrode of the power supply and the other end of the positive carbon heating wires.
  • a shielding sheet having a lower conductive tape attached to an upper surface of the lower insulating sheet and an upper surface of the upper insulating sheet to be connected to the upper insulating sheet, and having conductive materials arranged at regular intervals to be grounded to the outside;
  • a flame retardant adhesive applied between the insulating sheets to maintain the matching state and the arrangement of the cathode and cathode carbon heating wires, and to be applied between the upper insulating sheet and the shielding sheet to maintain the matching state;
  • a first sewing line which overlaps one end, one end of the cathode carbon heating wire, and an outer end of the cathode conductive tape, and maintains a folded state, one end of the lower insulating sheet, one end of the cathode carbon heating wire, and one end of the cathode conductive tape.
  • a second seam to keep the outer ends folded together and the other ends of the upper and lower insulating sheets Presents a transfer sheet comprising a third seam for holding the other end, a folded state overlapped with the distal end of the upper and lower conductive tape of the negative electrode and the positive electrode carbon heating line.
  • the insulating film is attached between the first sewing line and the second sewing line by contacting the ends of the cathode and cathode carbon heating wires having different polarities through the sewing holes of the first and second sewing lines.
  • the resistance values of the cathode and anode carbon heating wires are uniformly distributed, resulting in partial heat generation due to partial deviations in heat or partial overheating. Deformation and thermal damage can be prevented.
  • one end of the upper and lower insulating sheets, one end of the negative electrode and the positive electrode carbon heating wire, and the outer end of the negative electrode and the positive electrode conductive tape are respectively folded and wrapped in a folded state, and And a second insulating tape covering the other ends of the upper and lower insulating sheets, the other ends of the cathode and cathode carbon heating wires, and the outer ends of the upper and lower conductive tapes folded and folded together.
  • the electrical connection between the heating wire and the negative electrode and the positive electrode conductive tape is maintained firmly and stably, and the moisture and moisture can be completely prevented from penetrating into the gap between the upper and lower insulating sheets.
  • the negative electrode and the positive electrode conductive tape and the upper and lower conductive tapes may be coated with a conductive adhesive on each surface thereof, which is 40 to 50 parts by weight of an acrylic copolymer and ethyl acetate (Ethyl acetate) 20 It can be applied by adopting a mixture consisting of 0.2 to 10 phr of isocyanate with respect to 100 phr of the main ingredient containing ⁇ 30 parts by weight, 10 to 20 parts by weight of acetone, and 20 to 30 parts by weight of toluene. .
  • the flame-retardant adhesive 25 to 35% by weight of butyl acrylate monomer (butyl acrylate monomer), 10 to 20% by weight of methyl methacrylate monomer (methyl metacrylate monomer), 5 to 15% by weight of vinyl acetate monomer (vinyl acetate monomer) %, 10 ⁇ 20 wt% of 2-ethyl hexylacrylate monomer, 20 ⁇ 30 wt% of methanol, 3 ⁇ 7 wt% of silicon seed to improve flame resistance You can.
  • Heat transfer sheet having a means and configuration for solving the above technical problem and the object, the thickness is thin, excellent flexibility and flexibility and flame retardancy as well as the magnetic field is 1.3 [m / G] It is below, and the favorable electromagnetic shielding effect of an electric field of 3 [V / m] or less can be obtained.
  • FIG. 1 is an exploded perspective view showing a part of both ends (edges) of the heat transfer sheet according to the embodiment of the present invention in an unfolded state without being folded.
  • FIG. 2 is a partially enlarged cross-sectional view showing an exaggerated heat transfer sheet according to an embodiment of the present invention.
  • Figure 3 is a locally enlarged longitudinal cross-sectional view exaggerated except for the shielding sheet of the heat transfer sheet according to an embodiment of the present invention.
  • Figure 4 is a plan view schematically showing a shielding sheet of the heat transfer sheet according to an embodiment of the present invention.
  • cathode carbon heating wire 4 anode carbon heating wire
  • cathode conductive tape 6 anode conductive tape
  • Second Sewing Line 14 Third Sewing Line
  • a part when a part includes a certain component, this means that the component may not include other components, but may further include other components unless specifically stated otherwise.
  • the heat transfer sheet (S) is largely the upper and lower insulating sheet (1) (2), the cathode and anode carbon heating wire (3) (4), the cathode and Cathode conductive tapes (5) (6), upper and lower conductive tapes (7) (8), shielding sheets (10), flame retardant adhesives (9) (11), first to third sewing lines (12) (13) ( 14), an insulating film 15, and first and second insulating tapes 16 and 17.
  • the upper and lower insulating sheets 1 and 2 may each be made of an insulating copy such as a cloth or a film having a thickness and flexibility having a predetermined width and length.
  • the upper and lower insulating sheets (1) and (2) include cathode and anode carbon heating wires (3) and (4), cathode and anode conductive tapes (5) and (6), and upper and lower conductive tapes (7 and 8).
  • It is made of a fabric or polymer film, such as PE, PET, and may be formed of an electrical insulator having a property of maintaining shape stability within a predetermined temperature range without melting during thermocompression bonding.
  • the upper and lower insulating sheets (1) and (2) are formed by weaving the weft and the inclined planes, respectively, and simultaneously wiring the cathode and anode carbon heating wires (3) and (4) together in a plurality at a predetermined interval. It may be.
  • the cathode and anode carbon heating wires 3 and 4 are plurally arranged side by side with a predetermined distance between the upper and lower insulating sheets 1 and 2.
  • the cathode and anode carbon heating wires (3) and (4) are uniformly arranged at about 8 to 15 cm apart from each other to generate heat evenly, and to allow the current to flow in opposite directions to naturally offset the magnetic field. have.
  • nanocarbon fiber yarns obtained by firing natural materials such as cotton or birch at 3000 ° C. or more and extracting them into nano-sized particles may be employed, or polyester It is also possible to form a bundle of fine-thick carbon fibers in which conductive carbon black is bonded to a yarn or cotton yarn by a special method.
  • the flame retardant adhesive 9 may be applied between the upper and lower insulating sheets 1 and 2, and may be firmly attached to each other through a process of heating and pressing using a thermocompression roller or the like.
  • the negative electrode conductive tape 5 is attached to one end of the lower surface of the upper insulating sheet 1 so as to be connected in series with one end of the negative electrode carbon heating wires 3, and to the negative carbon heating wires 3. It is connected with the cathode of a power supply by the separate electric wire N so that a cathode current may be supplied.
  • the negative electrode conductive tape 5 is arranged and connected so as to be orthogonal to one end of the negative electrode carbon heating wires 3 so as to stably supply the negative electrode current, and the length of the negative carbon heating wires 3 is long or the wiring Even if the total area becomes wider, the resistance value of the actual power supply is kept constant so that no voltage drop occurs and the current distribution is uniform, thereby preventing local heating or low temperature phenomenon.
  • the negative electrode conductive tape (5) functions as a power supply line for supplying negative current to the negative carbon yarn heating wires (3), and thus has a constant width and length, and has a thickness of 0.045 mm ⁇ 0.005 mm and a surface resistance ( ⁇ / It is preferable that the material is made of a material having excellent conductivity such as a copper foil, a nickel foil, a titanium foil, or the like having a sq of 10 5 or less.
  • the positive electrode conductive tape 6 is attached to one end of the upper surface of the lower insulating sheet 2 so as to be connected in series with one end of the positive carbon yarn heating wires 4 and attached to the positive carbon yarn heating wires 4. It is connected to the anode of a power supply by the separate electric wire P so that an anode current may be supplied.
  • the positive electrode conductive tape 6 is arranged and connected so as to be orthogonal to one end portion of the positive carbon yarn heating wires 4 so as to stably supply the positive electrode current, and the length of the positive carbon yarn heating wires 4 or the wiring is long. Even if the total area becomes wider, the resistance value of the actual power supply is kept constant so that no voltage drop occurs and the current distribution is uniform, thereby preventing local heating or low temperature phenomenon.
  • the positive electrode conductive tape 6 functions as a power supply line for supplying negative current to the positive carbon yarn heating wires 4 and thus has a constant width and length, and has a thickness of 0.045 mm ⁇ 0.005 mm and a surface resistance ( ⁇ / It is preferable that the material is made of a material having excellent conductivity such as a copper foil, a nickel foil, a titanium foil, or the like having a sq of 10 5 or less.
  • the upper conductive tape 7 is attached to the other end of the lower surface of the upper insulating sheet so as to electrically connect the other ends of the cathode carbon heating wires 3 to each other.
  • the lower conductive tape 8 is attached to the other end of the upper surface of the lower insulating sheet so as to electrically connect the other ends of the positive carbon yarn heating wires 4 to each other.
  • a conductive adhesive is coated on one surface of each of the negative electrode and the positive electrode conductive tapes 5 and 6 and the upper and lower conductive tapes 7 and 8.
  • the conductive adhesive is firmly maintained at both ends of the cathode and anode carbon heating wires (3) and (4), and the adhesion state of the cathode and anode conductive tapes (5) and (6) and the upper and lower conductive tapes (7) and (8). While providing electrical conductivity so that each electrical connection state can be stably maintained, when power is applied to the negative electrode and the positive electrode conductive tapes (5) and (6), the energized state is smoothly formed and the negative electrode and the positive electrode carbon heating wire (3) ( 4) the exothermic effect of the induction to make it easier and more stable.
  • the conductive adhesive is preferably melted when heat of about 100 to 150 ° C. is applied, and it is preferable to maintain a gel state that is not completely cured when dried between 40 and 60 ° C. for 24 to 48 hours after processing.
  • the conductive adhesive has a property of exhibiting a firm bonding force while maintaining the flexibility and flexibility necessary for bending or folding, while maintaining a comfortable fit or comfort, and also a component that causes bubbles such as volatile components and reaction residues. It is preferable to use what has been sufficiently removed.
  • the heating wires (3) and (4), the cathode and anode conductive tapes (5) and (6) and the upper and lower conductive tapes (7) and (8) is not only more stable but also the cathode and anode carbon.
  • the shielding sheet 10 is attached to the upper surface of the upper insulating sheet 1 so as to shield the electric field, and the conductive material 10a that is grounded to the outside of the outlet or the temperature controller 20 through a separate ground wire (E) ) Is provided.
  • the shielding sheet 10 is heat-treated by post-processing so that it does not melt easily even when subjected to high temperature heat, and can withstand 180 ° C, and also has a soft texture without twisting deformation or shrinkage (for example, poly One of excellent flexibility, flexibility, and form stability by weaving the weft yarn and the inclined weave made of an ester long fiber stretcher) and simultaneously weaving a conductive material (10a) made of metal yarn such as silver, copper, tungsten, and nickel at regular intervals. It can be formed in the form of a sheet.
  • the conductive material 10a made of metal yarns is coated on a sheet woven from poly yarns at regular intervals, or a conductive paste such as a conductive silicone paste is coated on a sheet woven from poly yarns with a predetermined thickness. You may.
  • the flame retardant adhesives 9 and 11 are firmly matched with the upper insulating sheet 1 and the lower insulating sheet 2, and the cathode and anode carbon heating wires 3 and 4 are stably arranged therebetween. It is applied to a certain thickness in order to, and is also applied with a constant thickness between the upper insulating sheet 1 and the shielding sheet 10 so that the upper insulating sheet 1 and the shielding sheet 10 is firmly attached to each other.
  • the flame retardant adhesive (9) (11) is an acrylic ester copolymer resin composed of a transparent viscous liquid having excellent flame retardancy and a hardness of 45 to 47 (%) and a viscosity of 7000 to 8000 (cps / 25 ° C). resin) is preferable.
  • the solid content is 55 to 65%
  • the particle size is 200 nanometer to 400 nanometers excellent polymerization stability
  • a flame retardant adhesive (9) (11) consisting of a viscosity of 7000 to 8000 cps is excellent in flame retardancy as well as environmentally friendly and weather resistance, It is excellent in heat resistance and can maintain high cohesiveness even under high temperature and high humidity conditions, and can secure flexibility and flexibility according to use such as folding or bending more effectively.
  • the compounding ratio of the flame retardant adhesives (9) and (11) was 30% by weight of a butyl acrylate monomer, 15% by weight of a methyl methacrylate monomer, and a vinyl acetate monomer. Most preferably, it is composed of 10% by weight, 15% by weight of 2-ethylhexylacrylate monomer, 25% by weight of methanol, and 5% by weight of silicon seed.
  • the butyl acrylate monomer may be 2 to 14 carbon atoms of the alkyl group, less than one is not preferable because the cohesive force of the entire composition is lowered, if more than 14 it is too flexible to lower the adhesive properties.
  • the flame-retardant adhesive (9) (11) may be contained in 25 to 35% by weight based on the total weight, when included in less than 25% by weight can not secure the initial adhesive force, which is contained in excess of 35% by weight It is not preferable because the transfer to the adherend occurs largely.
  • methyl methacrylate monomer may be contained in 10 to 20% by weight based on the total weight of the flame-retardant adhesive (9) (11), when included in less than 10% by weight is more firm than necessary, the initial adhesive strength falls, 20 When included in excess of the weight%, it is not preferable because it is more flexible than necessary and the adhesive physical properties are lowered.
  • the vinyl acetate monomer may be contained in 5 to 15% by weight based on the total weight of the flame-retardant adhesive (9) (11), when included in less than 5% by weight is too flexible to secure sufficient adhesive properties, If it is included in excess of 15% by weight, it is not preferable because it is excessively hardened and a marked drop in adhesive strength occurs.
  • 2-ethylhexyl acrylate monomer may have 2 to 14 carbon atoms of the alkyl group, less than one is not preferred because the cohesive force of the whole composition is lowered, if more than 14 it is too flexible to lower the adhesive properties.
  • the flame-retardant adhesive (9) (11) may be contained in 10 to 20% by weight based on the total weight, when included in less than 10% by weight can not secure the initial adhesive force, it is included in excess of 20% by weight It is not preferable because the transfer to the adherend occurs largely.
  • methanol may be contained in 20 to 30% by weight based on the total weight of the flame-retardant adhesive (9) (11), when included in less than 20% by weight can not secure mechanical and chemical stability, such as shrinkage phenomenon When included in excess of 30% by weight, the fluidity is increased due to supercritical decomposition, which is not preferable.
  • the silicon seed may have a molecular weight of 500,000 or less, and a particle size of 50 nanometers to 200 nanometers.
  • molecular weight of the silicon seed exceeds 500,000, it is not preferable because the compatibility for copolymerization with the acrylic monomers is poor, and if the particle size is less than 50 nanometers, it is difficult to prepare, and when the molecular seed exceeds 200 nanometers, the final polymerization emulsion It is not preferable because the size of the resin increases due to the phenomenon that the stability decreases, and if the content is less than 3% by weight, the desired effect of excellent adhesion and retention strength cannot be obtained.
  • the material is concentrated between the flame-retardant adhesive layer 9 and the adherend, that is, the interface between the upper insulating sheet 1 and the shielding sheet 10, so that transfer to the adherend occurs, and the adhesive force increases with time. Lack of is not desirable.
  • the first sewing line 12 is formed by sewing one end portion of the upper insulating sheet 1, one end portion of the cathode carbon heating wires 3, and the outer edge of the cathode conductive tape 5 to be folded to maintain a folded state. It is.
  • the first sewing line 12 further strengthens the electrical connection state between the cathode carbon heating wires 3 and the cathode conductive tape 5 and changes the electrophysical properties well so that current flows through the cathode carbon heating wires 3. It functions and effectively blocks leakage.
  • the second sewing line 13 is formed by sewing one end portion of the lower insulating sheet 2, one end portion of the positive carbon heating wires 4, and the outer edge of the positive electrode conductive tape 6 so as to be folded and maintained in a folded state. It is.
  • the second sewing line 13 further strengthens the electrical connection state between the positive electrode carbon heating wires 4 and the positive electrode conductive tape 6 and changes the electrophysical properties well so that the current flows through the positive carbon heating wires 4. It functions and effectively blocks leakage.
  • the third seam 14 is formed at the other end of the upper and lower insulating sheets 1 and 2, and at the other end of the cathode and anode carbon heating wires 3 and 4, and the upper and lower conductive tapes 7, respectively.
  • the outer edge of (8) is folded together and sewn to maintain the folded state.
  • the third sewing line 14 further strengthens the electrical connection state between the cathode and anode carbon heating wires 3 and 4 and the upper and lower conductive tapes 7 and 8, and changes the electrophysical properties well. It serves to effectively block the leakage of current through the cathode and anode carbon heating wire (3) (4).
  • the insulating film 15 is attached between the first seam line 12 and the second seam line 13 to insulate the cathode carbon heating wires 3 and the positive carbon heating wires 4.
  • the insulating film 15 has a function and role of completely blocking the leakage of current through the respective sewing holes made in the process of sewing to form the first sewing line 12 and the second sewing line 13. Do this.
  • the first insulating tape 16 has one end of the upper and lower insulating sheets 1, 2, one end of the cathode and anode carbon heating wires 3, 4, and the cathode and cathode conductive tape 5 ( 6) The outer edges of 6) are superimposed and attached so as to be wrapped and closed.
  • first and second sewing lines 12 and 13 are sewn to one end of the upper and lower insulating sheets 1 and 2, and one end of the cathode and anode carbon heating wires 3 and 4, and After the outer edges of the negative electrode and the positive electrode conductive tapes (5) and (6) are folded together and folded in the folded state, they are first bonded and wrapped and covered with the first insulating tape (16) to finish the moisture. It can completely prevent moisture from seeping inside.
  • the second insulating tape 17 has the other end of the upper and lower insulating sheets 1 and 2, the other end of the cathode and cathode carbon heating wires 3 and 4, and the upper and lower conductive tape 7
  • the outer ends of the 8) are folded together and wrapped in a folded state to be closed.
  • the third sewing line 14 is sewn to seal the other ends of the upper and lower insulating sheets 1 and 2, the other ends of the cathode and anode carbon heating lines 3 and 4, and the upper and lower conductive parts.
  • the entirety is attached by wrapping them with a second insulating tape (17) to finish the moisture or moisture through the gaps. It can completely prevent infiltration.
  • the heat transfer sheet S may further include a temperature controller 20, a temperature sensor 21, and a bimetal 22.
  • Temperature controller 20 is provided to function and serve to control the exothermic temperature of the cathode and cathode carbon heating wire (3) (4).
  • the temperature controller 20 detects the temperatures of the cathode and anode carbon heating wires 3 and 4 to perform control for maintaining the temperature set by the user and adjusting the temperature to a desired temperature value.
  • the temperature sensor 21 is electrically connected to the temperature controller 20, and is opened and closed according to temperature changes of the cathode and anode carbon heating wires 3 and 4 to control the power supply thereof.
  • the temperature sensor 21 is provided with the control temperature set to a reference value that satisfies the safety standard, and compares the detected and detected temperature with the set temperature, when the detected temperature is lower than the set temperature, the cathode and anode carbon heating wires (3) (4) to apply power, and in contrast, if it is higher than the set temperature, a series of processes to cut off the power applied to the cathode and anode carbon heating wires (3) (4) are repeatedly performed. Keep it.
  • the bimetal 22 is electrically connected to the temperature controller 20 to automatically cut off the current when the cathode and anode carbon heating wires 3 and 4 are overheated. It can be provided as a non-returnable type that can be disconnected once it reaches a melting temperature (eg 95 ° C) to cut off the current and not adjust for reuse after one operation.
  • a melting temperature eg 95 ° C
  • the heat transfer sheet S Since the heat transfer sheet S according to the embodiment of the present invention configured as described above is wired in parallel to cross the current direction of the cathode and anode carbon heating wires 3 and 4, current flows in opposite directions to cancel the magnetic field.
  • the shielding sheet 10 since the shielding sheet 10 is grounded to the outside of a thermostat or an outlet through a ground wire of a plug, an electric field flows inside the conductive material 10a of the shielding sheet, and then disappears as a offset function or is naturally released to the ground. Can be.
  • the upper insulating sheet in a state where both ends of the cathode and cathode carbon heating wires (3) (4) are stably connected by the cathode and anode conductive tapes (5) (6), the upper and lower conductive tapes (7) (8). Since it is firmly attached between 1) and the lower insulating sheet (2), it is possible to prevent the cathode and anode carbon heating wires (3) (4) from flowing or shorted during use, as well as to improve the flow of current uniformly. Can be.
  • one end portion of the upper insulating sheet 1, one end portion of the negative electrode carbon heating wires 3 and the outer edge of the negative electrode conductive tape 5 are folded together and bound by the first sewing line 12.
  • One end of the lower insulating sheet 2, one end of the positive carbon heating wires 4, and the outer edge of the positive electrode conductive tape 6 are folded together to be folded by the second sewing line 13.
  • the resistance values of the cathode and anode carbon heating wires (3) and (4) are uniformly distributed through the cathode and anode conductive tapes (5) and (6) and the upper and lower conductive tapes (7) and (8) without deviation, heat generation is normally performed. It can improve the electrical safety and operational efficiency during operation such that the heating temperature can be partially deviated or prevent thermal deformation and thermal damage due to partial overheating.
  • the maximum measurement value of the magnetic field generated in the heat transfer sheet S according to the embodiment of the present invention is 1.272 [m / G], and the maximum measurement value of the electric field is 2.981 [V / m], so the test criteria for the magnetic field are as follows. It is much higher than 2 [m / G] or less and 10 [V / m], which is a test standard of electric field, and it can be seen that the electromagnetic shielding effect is very excellent.
  • sheets, blankets, toilet seats, heating or winter heating clothing, gloves, shoes and blankets, cushions, mats, carpets, etc. for building or industrial heating or heating, drying equipment for agricultural and marine products, and frost protection for roads and parking lots. It can be widely applied in various industrial fields such as various household goods or medical supplies that require a comfortable fit, comfort and safety, such as car seats, curtains, and clothing, to those skilled in the art. Is obvious.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Surface Heating Bodies (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)

Abstract

Disclosed is a heat transfer sheet which has excellent flame retardancy and excellent water-proofness, includes heating wires arranged in parallel rows to have current directions crossing one another so as to offset a magnetic field, has an electric field induced to the ground to be shielded, and thus can have maximized electrical safeness and minimize damage due to an electromagnetic wave. The heat transfer sheet is thin, has excellent flexibility, ductility, and flame retardancy, has a magnetic field of 1.3 [m/G] or less and an electric field of 3 [V/m] or less, and thus can achieve an excellent electromagnetic wave shielding effect.

Description

난연성 전자파 차폐 전열시트Flame Retardant Electromagnetic Shielding Heat Transfer Sheet
본 발명은 난연성 전자파 차폐 전열시트에 관한 것으로서, 더욱 상세하게는 난연성과 방수성이 우수하여 전기안전성을 극대화할 뿐만 아니라 자기장을 상쇄시키고, 전기장을 접지로 유도 및 차폐하여 전자파 피해를 최소화할 수 있는 전열시트에 관한 것이다.The present invention relates to a flame-retardant electromagnetic wave shielding heat transfer sheet, and more particularly, it is excellent in flame retardancy and waterproofness to maximize electrical safety as well as to offset the magnetic field, induction and shielding the electric field to the ground to minimize the electromagnetic wave damage It is about a sheet.
일반적으로 전류가 도선에 흐르면 전계파와 자계파에 의해 인체에 악영향을 미치는 전자기파가 발생한다. 특히 온열매트, 전기담요, 전기장판, 전기침대, 전기방석, 전기찜질기 등과 같이 전기에너지를 열에너지로 전환하고 인체에 직접 접촉시켜 사용하는 각종 전열기기는 전자기파로 인한 위험성이 매우 클 수밖에 없다.In general, when current flows through a wire, electromagnetic waves are generated, which adversely affects the human body by electric and magnetic waves. In particular, various heating devices used by converting electrical energy into thermal energy and directly contacting the human body, such as a thermal mat, an electric blanket, an electric blanket, an electric bed, an electric cushion, and an electric steamer, have a very high risk of electromagnetic waves.
이러한 전열기기는 대개 면상의 상부 및 하부 절연복사체 사이에 전기저항을 갖는 선상의 발열체 및 도전체를 배선하여 평활성 및 내구성이 좋고, 발열체의 전도열에 의해 열을 발산하는 이른바 전열시트를 내장하고 있다.Such electric heaters usually have a so-called heat transfer sheet which has good smoothness and durability by wiring linear heating elements and conductors having electrical resistance between the upper and lower insulating radiators on the surface, and dissipates heat by conduction heat of the heating elements.
여기서 절연복사체로 PE, PP, PET, PVC, 폴리우레탄 등과 같은 절연성 수지필름을 사용할 경우 라미네이트 가공을 통해 방습성을 확보할 수 있고, 직물을 사용할 경우에는 가요성 및 유연성을 확보할 수 있다.Here, when using an insulating resin film such as PE, PP, PET, PVC, polyurethane as an insulating copy, it is possible to secure moisture-proof through the laminate processing, and when using a fabric can be secured flexibility and flexibility.
그리고 발열체로 니크롬, 동, 니켈 합금 및 알루미늄 등의 금속 소재를 사용할 경우 발열체 주위만 국부적으로 발열이 일어나 온도 편차가 심하고, 과부하 등으로 인한 과열 시 물성이 변화되는 데다 단락에 의한 화재 위험성이 크고, 카본블랙을 사용할 경우 바인더의 이상적인 배합과 적정기준을 충족해야 하고 페인팅 및 프린팅 공정으로 제조하는 특성상 두께의 균일성 및 크기의 제약이 많기 때문에 전기효율이 높고 전자파의 발생이 비교적 적은 카본발열선(carbon thread)을 주로 사용하고 있다.In case of using metal materials such as nichrome, copper, nickel alloy and aluminum as the heating element, local heating occurs only around the heating element, causing severe temperature variation, and changing physical properties when overheating due to overload, and high risk of fire due to short circuit. When carbon black is used, carbon binders must meet the ideal formulation of binders and appropriate standards, and because of the uniformity and size constraints of thickness due to the characteristics of manufacturing by painting and printing process, carbon heating line with high electrical efficiency and relatively low generation of electromagnetic waves ) Is mainly used.
최근에는 전열시트의 전자파를 차폐하기 위해 전자파 차폐 필름을 여러 층으로 덧대거나 인체에 접촉되는 표면을 금속사를 직조하여 만든 직물로 형성한 구조가 제안된 바 있다.Recently, in order to shield the electromagnetic waves of the heat transfer sheet, a structure in which an electromagnetic shielding film is padded in several layers or a surface made in contact with the human body is made of a fabric made of woven metal yarn has been proposed.
예컨대, 대한민국 등록특허 제10-1576545호에 게시된 '전자파 차폐 필름을 이용한 발열 매트'는 전원부에서 공급되는 전원에 의해 발열되는 하나 이상의 실버 발열선이 인쇄되는 기판과, 상기 기판의 상면 및 하면에 적층되어 상기 실버 발열선을 보호하고 전자파를 차폐하는 TPU(Thermoplastic polyurethane)필름과, 상기 TPU필름의 상부에 각각 적층되는 전도성 원단과, 상기 각각의 전도성 원단의 상부에 적층되어 상기 발열선에서 발생되는 전자파를 차폐하는 TPU 전자파 차폐 필름 및 상기 각각의 TPU 전자파 차폐 필름의 상부에 적층되는 퍼멀로이(Permalloy)로 이루어져 있다.For example, the 'heating mat using the electromagnetic shielding film' published in Korean Patent No. 10-1576545 is a substrate printed with one or more silver heating wires generated by the power supplied from the power supply, and laminated on the upper and lower surfaces of the substrate TPU (Thermoplastic polyurethane) film which protects the silver heating wire and shields the electromagnetic waves, a conductive fabric laminated on top of the TPU film, and a shield formed on top of each conductive fabric to shield electromagnetic waves generated from the heating wire. It consists of a TPU electromagnetic shielding film and a permalloy (Permalloy) laminated on top of each of the TPU electromagnetic shielding film.
그런데 이는 기판의 상하면에 여러 개의 필름과 원단을 다층으로 부착하는 구조이기 때문에 전체의 두께가 지나치게 두꺼워져서 사용과 취급 및 보관이 불편한 한계가 있다.However, since this is a structure for attaching a plurality of films and fabrics in a multi-layer on the upper and lower surfaces of the substrate, there is a limit in that the overall thickness becomes too thick, which makes the use, handling and storage inconvenient.
한편, 통상의 직물 타입의 전열시트는 생산성을 향상시키기 위해 하나의 형태를 연속적으로 반복 배열한 후 절단기나 가위 등을 이용하여 특정 용도에 적합한 크기로 절연시트와 도전체 및 카본발열선을 동시에 재단하는데 이때, 여러 개의 가느다란 섬유가 다발 형태로 꼬여서 형성된 카본발열선의 형태적 특성상 그 절단된 단부에 보푸라기가 일어나면서 절연시트들 사이로 삐져나와 전류가 누설될 수 있을 뿐만 아니라 장기간 사용하다 보면 도전체의 접착제가 자연스럽게 경화되면서 카본발열선과 결속력이 떨어짐으로 인해 카본발열선이 도전체와 분리되어 자유로이 유동하면서 접촉저항이 증가하고, 결과적으로 전력 손실은 물론 화재 등의 전기 안전사고를 초래하는 안전상의 문제점이 있다.On the other hand, the heat transfer sheet of the conventional fabric type is used to cut the insulation sheet, the conductor and the carbon heating wire at the same time in a size suitable for a specific application by using a cutter or scissors after continuously arranging one form in order to improve productivity. At this time, due to the morphological characteristics of the carbon heating wire formed by twisting a plurality of thin fibers, lint may occur at the cut end, and the current may leak out between the insulating sheets as well as the adhesive of the conductor if used for a long time. Due to the natural hardening of the carbon heating wire and the binding force is reduced, the carbon heating wire is separated from the conductor and freely flows, the contact resistance increases, and as a result, there is a safety problem that causes electrical safety accidents such as power loss and fire.
[선행기술문헌][Preceding technical literature]
[특허문허][Patent patent]
KR200327477 Y1(2003.09.09)KR200327477 Y1 (2003.09.09)
KR200291627 Y1(2002.09.27)KR200291627 Y1 (2002.09.27)
KR200453539 Y1(2011.05.02)KR200453539 Y1 (2011.05.02)
KR101576545 B1(2015.12.04)KR101576545 B1 (2015.12.04)
KR1020150012795 A(2015.02.04)KR1020150012795 A (2015.02.04)
이에 본 발명자는 상술한 제반 사항을 종합적으로 고려하여 기존의 전열시트가 지닌 한계 및 문제점의 해결에 역점을 두어 두께가 얇고 가요성과 유연성 및 난연성이 우수하면서도 자기장을 상쇄 및 전기장을 효과적으로 차폐함은 물론이고, 온도 편차 없이 발열이 균일하게 일어나는 효과를 도모할 수 있는 새로운 전열시트를 개발하고자 각고의 노력을 기울여 부단히 연구하던 중 그 결과로써 본 발명을 창안하게 되었다.Therefore, the present inventor focuses on solving the limitations and problems of the existing heat transfer sheet by comprehensively considering the above-mentioned matters, and is thin and thin, and has excellent flexibility, flexibility, and flame retardancy, while effectively canceling the magnetic field and effectively shielding the electric field. In the meantime, the present invention has been devised as a result of constant efforts to develop a new heat transfer sheet capable of uniformly generating heat without temperature variation.
따라서 본 발명이 해결하고자 하는 기술적 과제 및 목적은 두께가 얇고 가요성과 유연성 및 난연성이 우수하면서 자기장을 상쇄 및 전기장을 효과적으로 차폐할 수 있도록 하는 전열시트를 제공하는 데 있는 것이다.Therefore, the technical problem and object to be solved by the present invention is to provide a heat transfer sheet that can be thin and thin, excellent in flexibility, flexibility and flame retardancy, and effectively cancel the magnetic field and shield the electric field.
또한, 본 발명이 해결하고자 하는 다른 기술적 과제 및 목적은 발열이 균일하게 일어날 수 있도록 하는 전열시트를 제공하는 데 있는 것이다.In addition, another technical problem and object to be solved by the present invention is to provide a heat transfer sheet so that heat generation can occur uniformly.
여기서 본 발명이 해결하고자 하는 기술적 과제 및 목적은 이상에서 언급한 기술적 과제 및 목적으로 국한하지 않으며, 언급하지 않은 또 다른 기술적 과제 및 목적들은 아래의 기재로부터 당업자가 명확하게 이해할 수 있을 것이다.The technical problems and objects to be solved by the present invention are not limited to the technical problems and objects mentioned above, and other technical problems and objects not mentioned will be clearly understood by those skilled in the art from the following description.
상술한 바와 같은 기술적 과제의 해결 및 목적을 달성하기 위한 본 발명의 실시 양태에 따른 구체적 수단은, 일정한 너비를 갖는 상부절연시트와, 상기 상부절연시트의 하면에 부합된 하부절연시트와, 상기 상부 및 하부절연시트의 사이에 일정 간격을 두고 나란하게 복수로 배선된 음극 및 양극카본발열선과, 상기 음극카본사발열선들의 일단을 전기적으로 연결하도록 상기 상부절연시트의 하면에 부착되고, 전원의 음극과 접속되는 음극도전테이프와, 상기 음극카본발열선들의 타단을 전기적으로 연결하도록 상기 상부절연시트의 하면에 부착된 상부도전테이프와, 상기 양극카본발열선들의 일단을 전기적으로 연결하도록 상기 하부절연시트의 상면에 부착되고, 전원의 양극과 접속되는 양극도전테이프와, 상기 양극카본발열선들의 타단을 전기적으로 연결하도록 상기 하부절연시트의 상면에 부착된 하부도전테이프와, 상기 상부절연시트의 상면에 부합하되, 외부에 접지되는 도전성 소재가 일정 간격으로 배열 형성된 차폐시트와, 상기 상부절연시트와 상기 하부절연시트 사이에 도포되어 그 부합 상태와 상기 음극 및 양극카본발열선들의 배열 상태를 유지시키며, 상기 상부절연시트와 상기 차폐시트 사이에 도포되어 그 부합 상태를 유지시키는 난연점착제와, 상기 상부절연시트의 일단과, 상기 음극카본발열선의 일단 및 상기 음극도전테이프의 외측 단부를 함께 포개어 접은 상태를 유지시키는 제1재봉선과, 상기 하부절연시트의 일단과, 상기 양극카본발열선의 일단 및 상기 양극도전테이프의 외측 단부를 함께 포개어 접은 상태를 유지시키는 제2재봉선 및 상기 상부 및 하부절연시트의 타단과, 상기 음극 및 양극카본발열선의 타단과, 상기 상부 및 하부도전테이프의 외측 단부를 함께 포개어 접은 상태를 유지시키는 제3재봉선을 포함하는 것을 특징으로 하는 전열시트를 제시한다.Specific means according to an embodiment of the present invention for solving the technical problem and the object as described above, the upper insulating sheet having a constant width, the lower insulating sheet corresponding to the lower surface of the upper insulating sheet, and the upper And a cathode and an anode carbon heating wire which are plurally wired side by side at a predetermined interval between the lower insulation sheets, and attached to a lower surface of the upper insulation sheet to electrically connect one end of the cathode carbon heating wires, On the upper surface of the lower insulating sheet to electrically connect the negative conductive tape to be connected, the upper conductive tape attached to the lower surface of the upper insulating sheet to electrically connect the other ends of the negative carbon heating wires, and one end of the positive carbon heating wires. And a positive electrode conductive tape connected to the positive electrode of the power supply and the other end of the positive carbon heating wires. A shielding sheet having a lower conductive tape attached to an upper surface of the lower insulating sheet and an upper surface of the upper insulating sheet to be connected to the upper insulating sheet, and having conductive materials arranged at regular intervals to be grounded to the outside; A flame retardant adhesive applied between the insulating sheets to maintain the matching state and the arrangement of the cathode and cathode carbon heating wires, and to be applied between the upper insulating sheet and the shielding sheet to maintain the matching state; A first sewing line which overlaps one end, one end of the cathode carbon heating wire, and an outer end of the cathode conductive tape, and maintains a folded state, one end of the lower insulating sheet, one end of the cathode carbon heating wire, and one end of the cathode conductive tape. A second seam to keep the outer ends folded together and the other ends of the upper and lower insulating sheets , Presents a transfer sheet comprising a third seam for holding the other end, a folded state overlapped with the distal end of the upper and lower conductive tape of the negative electrode and the positive electrode carbon heating line.
이로써 두께가 얇고 가요성과 유연성 및 난연성이 우수할 뿐만 아니라 자기장을 상쇄 및 전기장을 접지로 유도하여 전자파 차폐효과가 우수한 전열시트를 구현할 수 있다.As a result, it is possible to realize a heat transfer sheet having excellent electromagnetic shielding effect by thinning, excellent flexibility, flexibility and flame retardancy, and inducing a magnetic field to offset and electric field to ground.
본 발명의 바람직한 실시 양태로, 상기 제1재봉선과 상기 제2재봉선의 사이에 절연필름이 부착됨으로써 제1 및 제2재봉선의 재봉구멍을 통해 극성이 다른 음극 및 양극카본발열선의 단부 끼리 접촉되어 전류가 누설되는 것을 차단하여 쇼트 현상이나 스파크, 합선을 완벽하게 방지할 수 있고, 이로 인해 음극 및 양극카본발열선 각각의 저항값이 균일하게 분포되어 발열 온도가 부분적으로 편차를 보이거나 부분 과열에 따른 열변형 및 열손상을 예방할 수 있다.In a preferred embodiment of the present invention, the insulating film is attached between the first sewing line and the second sewing line by contacting the ends of the cathode and cathode carbon heating wires having different polarities through the sewing holes of the first and second sewing lines. To prevent leakage, sparks, and short-circuit completely, and the resistance values of the cathode and anode carbon heating wires are uniformly distributed, resulting in partial heat generation due to partial deviations in heat or partial overheating. Deformation and thermal damage can be prevented.
아울러 본 발명의 바람직한 실시 양태로, 상기 상부 및 하부절연시트의 일단과, 상기 음극 및 양극카본발열선의 일단과, 상기 음극 및 양극도전테이프의 외측 단부를 각각 포개어 접은 상태로 감싸는 제1절연테이프 및 상기 상부 및 하부절연시트의 타단과, 상기 음극 및 양극카본발열선의 타단과, 상기 상부 및 하부도전테이프의 외측 단부를 함께 포개어 접은 상태로 감싸는 제2절연테이프를 더 포함하여 구성됨으로써 음극 및 양극카본발열선과 음극 및 양극도전테이프의 전기적인 접속상태를 견고하고 안정적으로 유지하면서 상부 및 하부절연시트의 틈새를 통해 내부로 습기나 수분이 스며드는 것을 완벽하게 방지할 수 있다.In addition, in a preferred embodiment of the present invention, one end of the upper and lower insulating sheets, one end of the negative electrode and the positive electrode carbon heating wire, and the outer end of the negative electrode and the positive electrode conductive tape are respectively folded and wrapped in a folded state, and And a second insulating tape covering the other ends of the upper and lower insulating sheets, the other ends of the cathode and cathode carbon heating wires, and the outer ends of the upper and lower conductive tapes folded and folded together. The electrical connection between the heating wire and the negative electrode and the positive electrode conductive tape is maintained firmly and stably, and the moisture and moisture can be completely prevented from penetrating into the gap between the upper and lower insulating sheets.
여기서 상기 음극 및 양극도전테이프와 상기 상부 및 하부도전테이프는 그 각각의 일면에 도전점착제가 코팅될 수 있고, 이는 아크릴 공중합체(Acrylic copolymer) 40~50중량부와, 에틸 아세테이트(Ethyl acetate) 20~30중량부와, 아세톤(Acetone) 10~20중량부와, 톨루엔(Tolune) 20~30중량부가 함유된 주제 100phr에 대하여 이소시아네이트(Isocyanate) 0.2~10phr를 혼합하여 이루어진 것을 채택하여 적용할 수 있다.Here, the negative electrode and the positive electrode conductive tape and the upper and lower conductive tapes may be coated with a conductive adhesive on each surface thereof, which is 40 to 50 parts by weight of an acrylic copolymer and ethyl acetate (Ethyl acetate) 20 It can be applied by adopting a mixture consisting of 0.2 to 10 phr of isocyanate with respect to 100 phr of the main ingredient containing ˜30 parts by weight, 10 to 20 parts by weight of acetone, and 20 to 30 parts by weight of toluene. .
또한, 상기 난연점착제로는 부틸아크릴레이트 모노머(butyl acrylate monomer) 25~35중량%, 메틸메타아크릴레이트 모노머(methyl metacrylate monomer) 10~20중량%, 비닐아세트산 모노머(vinyl acetate monomer) 5~15중량%, 2-에틸헥실아크릴레이트 모노머(2-ethyl hexylacrylate monomer) 10~20중량%, 메탄올(methanol) 20~30중량%, 실리콘 시드 3~7 중량%로 이루어진 것을 채택하여 적용함으로써 난연성을 크게 향상시킬 수 있다.In addition, the flame-retardant adhesive 25 to 35% by weight of butyl acrylate monomer (butyl acrylate monomer), 10 to 20% by weight of methyl methacrylate monomer (methyl metacrylate monomer), 5 to 15% by weight of vinyl acetate monomer (vinyl acetate monomer) %, 10 ~ 20 wt% of 2-ethyl hexylacrylate monomer, 20 ~ 30 wt% of methanol, 3 ~ 7 wt% of silicon seed to improve flame resistance You can.
상기와 같은 기술적 과제의 해결과 목적을 달성하기 위한 수단 및 구성을 갖춘 본 발명의 실시 양태에 따른 전열시트는, 두께가 얇고 가요성과 유연성 및 난연성이 우수할 뿐만 아니라 자기장이 1.3 [m/G] 이하이고, 전기장이 3 [V/m] 이하인 양호한 전자파 차폐효과를 얻을 수 있다.Heat transfer sheet according to an embodiment of the present invention having a means and configuration for solving the above technical problem and the object, the thickness is thin, excellent flexibility and flexibility and flame retardancy as well as the magnetic field is 1.3 [m / G] It is below, and the favorable electromagnetic shielding effect of an electric field of 3 [V / m] or less can be obtained.
따라서 휴대 및 보관에 따른 사용의 편의성의 향상은 물론 화재 및 전기안전성을 크게 높이고, 전자파로 인한 피해를 최소화하는 효과가 있다.Therefore, as well as improving the convenience of use according to the portable and storage, it greatly increases the fire and electrical safety, and has the effect of minimizing the damage caused by electromagnetic waves.
또한, 상부 및 하부절연시트의 한쪽 끝 부분과, 음극 및 양극카본발열선들의 한쪽 끝 부분 그리고 음극 및 양극도전테이프의 외측 가장자리를 함께 포개어 접은 채로 재봉한 후, 그 사이에 절연필름을 부착하고 제1절연테이프로 봉합함으로써 음극 및 양극카본발열선들과 음극 및 양극도전테이프의 전기적인 접속상태를 견고하고 안정적으로 유지함은 물론이고, 극성이 다른 음극 및 양극카본발열선들의 단부 끼리 서로 접촉되면서 전류가 누설되는 것을 차단하여 쇼트 현상이나 스파크, 합선 등을 완벽하게 방지할 수 있을 뿐만 아니라 상부 및 하부절연시트의 틈새를 통해 내부로 습기나 수분이 스며드는 것을 완벽하게 방지할 수 있다.In addition, after sewing one end portion of the upper and lower insulation sheets, one end portion of the cathode and anode carbon heating wires and the outer edges of the anode and anode conductive tape folded together, the insulation film is attached therebetween, By sealing with insulating tape, the electrical connection between the cathode and anode carbon heating wires and the cathode and anode conductive tapes is maintained firmly and stably, and the ends of the anode and cathode carbon heating wires of different polarities are in contact with each other to leak current. It prevents shorts, sparks, short circuits, etc., and prevents moisture or moisture from seeping through the gaps between the upper and lower insulating sheets.
여기서 본 발명의 효과들은 이상에서 언급한 효과들로 국한하지 않으며, 언급하지 않은 또 다른 효과들은 청구범위의 기재로부터 당업자가 명확하게 이해할 수 있을 것이다.Here, the effects of the present invention are not limited to the above-mentioned effects, and other effects that are not mentioned will be clearly understood by those skilled in the art from the description of the claims.
도 1은 본 발명의 실시 예에 따른 전열시트의 양쪽 단부(가장자리)를 포개어 접히지 않은 상태로 일부를 분해하여 나타낸 사시도이다.1 is an exploded perspective view showing a part of both ends (edges) of the heat transfer sheet according to the embodiment of the present invention in an unfolded state without being folded.
도 2는 본 발명의 실시 예에 따른 전열시트를 과장하여 나타낸 국부 확대 횡단면도이다.2 is a partially enlarged cross-sectional view showing an exaggerated heat transfer sheet according to an embodiment of the present invention.
도 3은 본 발명의 실시 예에 따른 전열시트 중 차폐시트를 제외하고 과장하여 나타낸 국부 확대 종단면도이다.Figure 3 is a locally enlarged longitudinal cross-sectional view exaggerated except for the shielding sheet of the heat transfer sheet according to an embodiment of the present invention.
도 4는 본 발명의 실시 예에 따른 전열시트 중 차폐시트를 제외하고 개략적으로 나타낸 평면도이다.Figure 4 is a plan view schematically showing a shielding sheet of the heat transfer sheet according to an embodiment of the present invention.
[부호의 설명][Description of the code]
1: 상부절연시트 2: 하부절연시트1: upper insulation sheet 2: lower insulation sheet
3: 음극카본발열선 4: 양극카본발열선3: cathode carbon heating wire 4: anode carbon heating wire
5: 음극도전테이프 6: 양극도전테이프5: cathode conductive tape 6: anode conductive tape
7: 상부도전테이프 8: 하부도전테이프7: Upper conductive tape 8: Lower conductive tape
9: 난연점착제 10: 차폐시트9: flame retardant adhesive 10: shielding sheet
11: 난연점착제 12: 제1재봉선11: flame retardant adhesive 12: first sewing line
13: 제2재봉선 14: 제3재봉선13: Second Sewing Line 14: Third Sewing Line
15: 절연필름 16: 제1절연테이프 15: insulating film 16: first insulating tape
17: 제2절연테이프 20: 온도조절기17: second insulating tape 20: temperature controller
21: 온도센서 22: 바이메탈21: temperature sensor 22: bimetal
이하, 본 발명에 따른 실시 예를 첨부된 도면을 참조하여 보다 구체적으로 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
이에 앞서, 후술하는 용어들은 본 발명에서의 기능을 고려하여 정의된 것으로서, 이는 본 발명의 기술적 사상에 부합되는 개념과 당해 기술분야에서 통용 또는 통상적으로 인식되는 의미로 해석하여야 함을 명시한다.Prior to this, terms to be described below are defined in consideration of functions in the present invention, which clearly indicates that the concept is to be interpreted in a concept consistent with the technical spirit of the present invention and commonly used or commonly recognized in the art.
또한, 본 발명과 관련된 공지기능 혹은 구성에 대한 구체적인 설명이 본 발명의 요지를 흐릴 수 있다고 판단되는 경우 그 상세한 설명을 생략한다.In addition, when it is determined that the detailed description of known functions or configurations related to the present invention may obscure the gist of the present invention, the detailed description thereof will be omitted.
여기서 첨부된 도면들은 기술의 구성 및 작용에 대한 설명과 이해의 편의 및 명확성을 위해 일부분을 과장하거나 간략화하여 도시한 것으로, 각 구성요소가 실제의 크기와 정확하게 일치하는 것은 아님을 밝힌다.The accompanying drawings are exaggerated or simplified to illustrate and explain the structure and operation of the technology for convenience and clarity, and it is noted that each component does not exactly match its actual size.
아울러 어떤 부분이 어떤 구성요소를 포함한다고 할 때, 이는 특별히 반대되는 기재가 없는 한 다른 구성 요소를 제외하는 것이 아니라 다른 구성요소를 더 포함할 수 있는 것을 의미한다.In addition, when a part includes a certain component, this means that the component may not include other components, but may further include other components unless specifically stated otherwise.
도 1 내지 도 3에 도시된 바와 같이 본 발명의 실시 예에 따른 전열시트(S)는 크게 상부 및 하부절연시트(1)(2), 음극 및 양극카본발열선(3)(4), 음극 및 양극도전테이프(5)(6), 상부 및 하부도전테이프(7)(8), 차폐시트(10), 난연점착제(9)(11), 제1 내지 제3재봉선(12)(13)(14), 절연필름(15), 제1 및 제2절연테이프(16)(17)를 포함하여 구성된다.As shown in Figures 1 to 3, the heat transfer sheet (S) according to the embodiment of the present invention is largely the upper and lower insulating sheet (1) (2), the cathode and anode carbon heating wire (3) (4), the cathode and Cathode conductive tapes (5) (6), upper and lower conductive tapes (7) (8), shielding sheets (10), flame retardant adhesives (9) (11), first to third sewing lines (12) (13) ( 14), an insulating film 15, and first and second insulating tapes 16 and 17.
상부 및 하부절연시트(1)(2)는 일정한 폭과 길이의 너비와 가요성을 가지며 두께가 얇은 천이나 필름 등의 절연복사체로 각각 이루어질 수 있다.The upper and lower insulating sheets 1 and 2 may each be made of an insulating copy such as a cloth or a film having a thickness and flexibility having a predetermined width and length.
예를 들면 상부 및 하부절연시트(1)(2)로는 음극 및 양극카본발열선(3)(4), 음극 및 양극도전테이프(5)(6), 상부 및 하부도전테이프(7)(8)를 외부와 전기적으로 절연시키는 절연성과 음극 및 양극카본발열선(3)(4)에서 발생하는 고온의 열을 안정적으로 견딜 수 있는 내열성 등이 우수한 유리섬유, 합성섬유, 천연섬유, 합성피혁, 천연 피혁, PE, PET 등과 같은 직물이나 고분자 필름으로 이루어지고, 열압착 가공 시 융해되지 않고 일정 온도 범위 내에서 형태 안정성을 유지하는 특성이 있는 전기절연체로 형성될 수 있다.For example, the upper and lower insulating sheets (1) and (2) include cathode and anode carbon heating wires (3) and (4), cathode and anode conductive tapes (5) and (6), and upper and lower conductive tapes (7 and 8). Glass fiber, synthetic fiber, natural fiber, synthetic leather, natural leather with excellent insulation to electrically insulate from the outside and heat resistance to stably withstand the high temperature heat generated from the cathode and cathode carbon heating wires (3) (4). It is made of a fabric or polymer film, such as PE, PET, and may be formed of an electrical insulator having a property of maintaining shape stability within a predetermined temperature range without melting during thermocompression bonding.
여기서 상부 및 하부절연시트(1)(2)는 각각 위사와 경사를 면상으로 직조함과 동시에 일정한 간격을 두고 나란하게 복수로 음극 및 양극카본발열선(3)(4)을 일체로 배선하여 형성할 수도 있다.Here, the upper and lower insulating sheets (1) and (2) are formed by weaving the weft and the inclined planes, respectively, and simultaneously wiring the cathode and anode carbon heating wires (3) and (4) together in a plurality at a predetermined interval. It may be.
음극 및 양극카본발열선(3)(4)은 상부 및 하부절연시트(1)(2)의 사이에 일정한 간격을 두고 나란하게 복수로 배선되어 있다.The cathode and anode carbon heating wires 3 and 4 are plurally arranged side by side with a predetermined distance between the upper and lower insulating sheets 1 and 2.
여기서 음극 및 양극카본발열선(3)(4)들은 서로 간의 간격을 약 8~15cm 정도로 균일하게 배열함으로써 발열이 고르게 이루어지고, 서로 반대방향으로 전류가 흐르도록 함으로써 자기장을 상쇄시키는 효과를 자연스럽게 얻을 수 있다.Here, the cathode and anode carbon heating wires (3) and (4) are uniformly arranged at about 8 to 15 cm apart from each other to generate heat evenly, and to allow the current to flow in opposite directions to naturally offset the magnetic field. have.
또한, 음극 및 양극카본발열선(3)(4)으로는 외부 전원이 인가되면 자체 저항에 의해 고온의 열을 발생하고, 고유저항이 일정하면서 신축성이 있고 내구성이 우수하여 산화현상이 일어나지 않는 것을 사용하는 것이 바람직하다. In addition, when the external power is applied to the cathode and anode carbon heating wires (3) and (4), high-temperature heat is generated by its own resistance, and the specific resistance is constant, the elasticity is excellent, and the durability is excellent so that oxidation does not occur. It is desirable to.
예를 들면 음극 및 양극카본발열선(3)(4)으로는 목화나 자작나무 등의 천연소재를 3000℃ 이상으로 소성하여 나노 크기의 입자로 뽑아낸 나노카본섬유사를 채용할 수 있고, 또는 폴리에스테르 실 또는 면사에 도전성 카본블랙(Carbon Black)을 특수한 공법으로 점착시킨 미세한 굵기의 카본섬유 다발을 하나의 군으로 하여 형성할 수도 있다.For example, as the cathode and anode carbon heating wires (3) and (4), nanocarbon fiber yarns obtained by firing natural materials such as cotton or birch at 3000 ° C. or more and extracting them into nano-sized particles may be employed, or polyester It is also possible to form a bundle of fine-thick carbon fibers in which conductive carbon black is bonded to a yarn or cotton yarn by a special method.
그리고 상부 및 하부절연시트(1)(2)의 사이에는 난연점착제(9)를 도포하고 열압착롤러 등을 이용한 가열 및 가압하는 과정을 통해 서로 맞대어 견고하게 부착할 수 있다.In addition, the flame retardant adhesive 9 may be applied between the upper and lower insulating sheets 1 and 2, and may be firmly attached to each other through a process of heating and pressing using a thermocompression roller or the like.
음극도전테이프(5)는 음극카본사발열선(3)들의 한쪽 끝 부분과 직렬회로적으로 접속되도록 상부절연시트(1)의 하면 한쪽 끝 부분에 부착되어 있고, 음극카본사발열선(3)들에 음극 전류를 공급하도록 별도의 전선(N)에 의해 전원의 음극과 접속되어 있다.The negative electrode conductive tape 5 is attached to one end of the lower surface of the upper insulating sheet 1 so as to be connected in series with one end of the negative electrode carbon heating wires 3, and to the negative carbon heating wires 3. It is connected with the cathode of a power supply by the separate electric wire N so that a cathode current may be supplied.
즉, 음극도전테이프(5)는 음극카본사발열선(3)들의 한쪽 끝 부분과 직교하도록 배치 및 확실하게 접속되어 음극 전류를 안정적으로 공급하며, 아울러 음극카본사발열선(3)들의 길이가 길거나 배선된 전체 넓이가 넓어지더라도 실제 전원이 공급되는 곳의 저항값은 일정하게 유지시켜 전압강하가 전혀 일어나지 않고 전류 분포가 균일해지므로 국부적인 가열이나 저온현상을 방지할 수 있다.That is, the negative electrode conductive tape 5 is arranged and connected so as to be orthogonal to one end of the negative electrode carbon heating wires 3 so as to stably supply the negative electrode current, and the length of the negative carbon heating wires 3 is long or the wiring Even if the total area becomes wider, the resistance value of the actual power supply is kept constant so that no voltage drop occurs and the current distribution is uniform, thereby preventing local heating or low temperature phenomenon.
여기서 음극도전테이프(5)는 음극카본사발열선(3)들에 음극 전류를 공급하는 전원공급라인의 기능 및 역할을 하므로 일정한 폭과 길이를 가지며 두께가 0.045mm ± 0.005mm이고 표면저항(Ω/sq)이 105 이하인 구리 박판(foil), 니켈 박판, 티타늄 박판 등과 같은 도전성이 우수한 소재로 이루어지는 것이 바람직하다.Here, the negative electrode conductive tape (5) functions as a power supply line for supplying negative current to the negative carbon yarn heating wires (3), and thus has a constant width and length, and has a thickness of 0.045 mm ± 0.005 mm and a surface resistance (Ω / It is preferable that the material is made of a material having excellent conductivity such as a copper foil, a nickel foil, a titanium foil, or the like having a sq of 10 5 or less.
양극도전테이프(6)는 양극카본사발열선(4)들의 한쪽 끝 부분과 직렬회로적으로 접속되도록 하부절연시트(2)의 상면 한쪽 끝 부분에 부착되어 있고, 양극카본사발열선(4)들에 양극 전류를 공급하도록 별도의 전선(P)에 의해 전원의 양극과 접속되어 있다.The positive electrode conductive tape 6 is attached to one end of the upper surface of the lower insulating sheet 2 so as to be connected in series with one end of the positive carbon yarn heating wires 4 and attached to the positive carbon yarn heating wires 4. It is connected to the anode of a power supply by the separate electric wire P so that an anode current may be supplied.
즉, 양극도전테이프(6)는 양극카본사발열선(4)들의 한쪽 끝 부분과 직교하도록 배치 및 확실하게 접속되어 양극 전류를 안정적으로 공급하며, 아울러 양극카본사발열선(4)들의 길이가 길거나 배선된 전체 넓이가 넓어지더라도 실제 전원이 공급되는 곳의 저항값은 일정하게 유지시켜 전압강하가 전혀 일어나지 않고 전류 분포가 균일해지므로 국부적인 가열이나 저온현상을 방지할 수 있다.That is, the positive electrode conductive tape 6 is arranged and connected so as to be orthogonal to one end portion of the positive carbon yarn heating wires 4 so as to stably supply the positive electrode current, and the length of the positive carbon yarn heating wires 4 or the wiring is long. Even if the total area becomes wider, the resistance value of the actual power supply is kept constant so that no voltage drop occurs and the current distribution is uniform, thereby preventing local heating or low temperature phenomenon.
여기서 양극도전테이프(6)는 양극카본사발열선(4)들에 음극 전류를 공급하는 전원공급라인의 기능 및 역할을 하므로 일정한 폭과 길이를 가지며 두께가 0.045mm ± 0.005mm이고 표면저항(Ω/sq)이 105 이하인 구리 박판(foil), 니켈 박판, 티타늄 박판 등과 같은 도전성이 우수한 소재로 이루어지는 것이 바람직하다.The positive electrode conductive tape 6 functions as a power supply line for supplying negative current to the positive carbon yarn heating wires 4 and thus has a constant width and length, and has a thickness of 0.045 mm ± 0.005 mm and a surface resistance (Ω / It is preferable that the material is made of a material having excellent conductivity such as a copper foil, a nickel foil, a titanium foil, or the like having a sq of 10 5 or less.
상부도전테이프(7)는 음극카본사발열선(3)들의 다른 쪽 끝 부분을 전기적으로 서로 연결하도록 상부절연시트의 하면 다른 쪽 끝 부분에 부착되어 있다.The upper conductive tape 7 is attached to the other end of the lower surface of the upper insulating sheet so as to electrically connect the other ends of the cathode carbon heating wires 3 to each other.
하부도전테이프(8)는 양극카본사발열선(4)들의 다른 쪽 끝 부분을 전기적으로 서로 연결하도록 하부절연시트의 상면 다른 쪽 끝 부분에 부착되어 있다.The lower conductive tape 8 is attached to the other end of the upper surface of the lower insulating sheet so as to electrically connect the other ends of the positive carbon yarn heating wires 4 to each other.
한편, 음극 및 양극도전테이프(5)(6)와 상부 및 하부도전테이프(7)(8) 각각의 일면에는 도전점착제가 코팅되어 있다.Meanwhile, a conductive adhesive is coated on one surface of each of the negative electrode and the positive electrode conductive tapes 5 and 6 and the upper and lower conductive tapes 7 and 8.
즉, 도전점착제는 음극 및 양극카본발열선(3)(4)들의 양단과, 음극 및 양극도전테이프(5)(6) 그리고 상부 및 하부도전테이프(7)(8)의 부착 상태를 견고하게 유지시키면서 각각의 전기적인 접속 상태가 안정적으로 유지되도록 도전성을 부여하여 음극 및 양극도전테이프(5)(6)에 전원이 인가되면 서로 통전 상태가 원활하게 이루어짐과 동시에 음극 및 양극카본발열선(3)(4)들의 발열 작용이 더욱 수월하고 안정적으로 이루어지도록 유도한다.That is, the conductive adhesive is firmly maintained at both ends of the cathode and anode carbon heating wires (3) and (4), and the adhesion state of the cathode and anode conductive tapes (5) and (6) and the upper and lower conductive tapes (7) and (8). While providing electrical conductivity so that each electrical connection state can be stably maintained, when power is applied to the negative electrode and the positive electrode conductive tapes (5) and (6), the energized state is smoothly formed and the negative electrode and the positive electrode carbon heating wire (3) ( 4) the exothermic effect of the induction to make it easier and more stable.
여기서 도전점착제로는 100~150℃ 정도의 열이 가해지면 용융되며, 가공 후 40~60℃ 사이에서 24~48시간 정도 건조하면 완전히 경화되지 않는 겔 상태를 유지하는 것을 사용하는 것이 바람직하다.The conductive adhesive is preferably melted when heat of about 100 to 150 ° C. is applied, and it is preferable to maintain a gel state that is not completely cured when dried between 40 and 60 ° C. for 24 to 48 hours after processing.
즉, 도전점착제로는 구부리거나 접을 때 필요한 가요성과 유연성, 편안한 착용감이나 안락감 등을 안정적으로 유지하면서 견고한 접합력을 발휘하는 성질이 있으며, 이와 더불어 휘발성분, 반응잔류물 등의 기포를 유발시키는 성분이 충분히 제거된 것을 사용하는 것이 바람직하다.In other words, the conductive adhesive has a property of exhibiting a firm bonding force while maintaining the flexibility and flexibility necessary for bending or folding, while maintaining a comfortable fit or comfort, and also a component that causes bubbles such as volatile components and reaction residues. It is preferable to use what has been sufficiently removed.
예를 들면 아크릴 공중합체(Acrylic copolymer) 40~50중량부와, 에틸 아세테이트(Ethyl acetate) 20~30중량부와, 아세톤(Acetone) 10~20중량부와, 톨루엔(Tolune) 20~30중량부가 함유된 주제 100phr에 대하여 이소시아네이트(Isocyanate) 0.2~10phr를 혼합하고 가교 처리한 도전점착제를 채택하여 적용함으로써 자연스럽게 접거나 구부리는 등 사용에 따른 가요성과 유연성 및 전기적 안전성을 확보할 수 있다.For example, 40-50 parts by weight of an acrylic copolymer, 20-30 parts by weight of ethyl acetate, 10-20 parts by weight of acetone, and 20-30 parts by weight of toluene By applying and applying 0.2 ~ 10phr of isocyanate and crosslinking conductive adhesive with respect to 100phr of the contained main ingredient, it is possible to secure flexibility, flexibility, and electrical safety according to use such as folding or bending naturally.
또한, 일정량의 가교제와, 미크론 크기의 분말 형태로 이루어진 Ag, Cu, Al, Ni 중 어느 하나 또는 둘 이상을 일정량 균일하게 혼합하여 -35℃ 내지 95℃ 범위에서 점착력을 유지하도록 함으로써 음극 및 양극카본발열선(3)(4)들과, 음극 및 양극도전테이프(5)(6) 그리고 상부 및 하부도전테이프(7)(8)의 전기적인 접속 상태가 한층 더 안정적으로 이루어질 뿐만 아니라 음극 및 양극카본발열선(3)(4)들의 발열 과정에서 열변형으로 인한 음극 및 양극도전테이프(5)(6) 그리고 상부 및 하부도전테이프(7)(8)와의 부착 상태가 손상 및 약해지는 것을 방지할 수 있다.In addition, by uniformly mixing a predetermined amount of any one or two of Ag, Cu, Al, Ni in a certain amount of the cross-linking agent, and powder form of the micron size to maintain the adhesive force in the range of -35 ℃ to 95 ℃ by the negative electrode and the positive carbon The electrical connection between the heating wires (3) and (4), the cathode and anode conductive tapes (5) and (6) and the upper and lower conductive tapes (7) and (8) is not only more stable but also the cathode and anode carbon. In the heat generation process of the heating wires (3) and (4), it is possible to prevent the adhesion state between the negative and positive electrode conductive tapes (5) and (6) and the upper and lower conductive tapes (7) and (8) due to thermal deformation. have.
차폐시트(10)는 전기장을 차폐하도록 상부절연시트(1)의 상면에 서로 맞대어 부착되어 있고, 별도의 접지선(E)을 통해 콘센트나 온도조절기(20) 등의 외부에 접지되는 도전성 소재(10a)가 구비되어 있다.The shielding sheet 10 is attached to the upper surface of the upper insulating sheet 1 so as to shield the electric field, and the conductive material 10a that is grounded to the outside of the outlet or the temperature controller 20 through a separate ground wire (E) ) Is provided.
여기서 차폐시트(10)는 고온의 열을 받아도 쉽게 녹지 않도록 후가공으로 열처리를 하여 180℃에서도 견딜 수 있고, 아울러 뒤틀림 변형이나 수축이 일어나지 않으면서 부드러운 감촉이 있는 폴리계열의 원사(예를 들면, 폴리에스테르 장섬유 연신가공사)로 이루어진 위사와 경사로 직조함과 동시에 은, 구리, 텅스텐, 니켈 따위의 금속사로 이루어진 도전성 소재(10a)를 일정한 간격을 두고 직조하여 형성함으로써 가요성과 유연성 및 형태 안정성이 우수한 하나의 시트 형태로 형성할 수 있다.Here, the shielding sheet 10 is heat-treated by post-processing so that it does not melt easily even when subjected to high temperature heat, and can withstand 180 ° C, and also has a soft texture without twisting deformation or shrinkage (for example, poly One of excellent flexibility, flexibility, and form stability by weaving the weft yarn and the inclined weave made of an ester long fiber stretcher) and simultaneously weaving a conductive material (10a) made of metal yarn such as silver, copper, tungsten, and nickel at regular intervals. It can be formed in the form of a sheet.
이외에 폴리계열의 원사로 직조한 시트 위에 금속사로 이루어진 도전성 소재(10a)를 일정한 간격으로 배열하여 코팅하거나 또는 도전성 실리콘 페이스트 등의 도전성 페이스트를 폴리계열의 원사로 직조한 시트 위에 일정 두께로 도포하여 형성할 수도 있다.In addition, the conductive material 10a made of metal yarns is coated on a sheet woven from poly yarns at regular intervals, or a conductive paste such as a conductive silicone paste is coated on a sheet woven from poly yarns with a predetermined thickness. You may.
난연점착제(9)(11)는 상부절연시트(1)와 하부절연시트(2)가 견고하게 부합되고, 그 사이에 음극 및 양극카본발열선(3)(4)들이 안정적으로 배열된 상태를 유지시키기 위해 일정한 두께로 도포되어 있고, 아울러 상부절연시트(1)와 차폐시트(10)가 서로 견고하게 부착되도록 상부절연시트(1)와 차폐시트(10)의 사이에 일정한 두께로 도포되어 있다.The flame retardant adhesives 9 and 11 are firmly matched with the upper insulating sheet 1 and the lower insulating sheet 2, and the cathode and anode carbon heating wires 3 and 4 are stably arranged therebetween. It is applied to a certain thickness in order to, and is also applied with a constant thickness between the upper insulating sheet 1 and the shielding sheet 10 so that the upper insulating sheet 1 and the shielding sheet 10 is firmly attached to each other.
여기서 난연점착제(9)(11)로는 난연성이 우수하면서 45 내지 47(%)의 경도와 7000~8000(cps/25℃)의 점도를 갖는 투명한 점성액으로 이루어진 아크릴산 에스테르 공중합체 수지(acrylic ester copolymer resin)를 사용하는 것이 바람직하다.Here, the flame retardant adhesive (9) (11) is an acrylic ester copolymer resin composed of a transparent viscous liquid having excellent flame retardancy and a hardness of 45 to 47 (%) and a viscosity of 7000 to 8000 (cps / 25 ° C). resin) is preferable.
예를 들면 부틸아크릴레이트 모노머(butyl acrylate monomer) 25~35중량%와, 메틸메타아크릴레이트 모노머(methyl metacrylate monomer) 10~20중량%와, 비닐아세트산 모노머(vinyl acetate monomer) 5~15중량%와, 2-에틸헥실아크릴레이트 모노머(2-ethyl hexylacrylate monomer) 10~20중량%와, 메탄올(methanol) 20~30중량%와, 실리콘 시드(seed) 3~7 중량%를 혼합하여 고형분이 55 내지 65%이고, 입자의 크기는 200 나노미터 내지 400 나노미터로 중합안정성이 우수하며, 점도가 7000 내지 8000 cps로 이루어진 난연점착제(9)(11)를 채용함으로써 난연성이 우수함은 물론 친환경적이면서도 내후성, 내열성이 우수하여 고온, 고습 조건에서도 응집력을 높게 유지할 수 있을 뿐만 아니라 더욱 효과적으로 접거나 구부리는 등 사용에 따른 가요성과 유연성을 확보할 수 있다.For example, 25 to 35% by weight of butyl acrylate monomer, 10 to 20% by weight of methyl methacrylate monomer, 5 to 15% by weight of vinyl acetate monomer, , By mixing 10 to 20% by weight of 2-ethyl hexylacrylate monomer, 20 to 30% by weight of methanol and 3 to 7% by weight of silicon seed, the solid content is 55 to 65%, the particle size is 200 nanometer to 400 nanometers excellent polymerization stability, by adopting a flame retardant adhesive (9) (11) consisting of a viscosity of 7000 to 8000 cps is excellent in flame retardancy as well as environmentally friendly and weather resistance, It is excellent in heat resistance and can maintain high cohesiveness even under high temperature and high humidity conditions, and can secure flexibility and flexibility according to use such as folding or bending more effectively.
또한, 난연점착제(9)(11)의 배합비는 부틸아크릴레이트 모노머(butyl acrylate monomer) 30중량%와, 메틸메타아크릴레이트 모노머(methyl metacrylate monomer) 15중량%와, 비닐아세트산 모노머(vinyl acetate monomer) 10중량%와, 2-에틸헥실아크릴레이트 모노머(2-ethyl hexylacrylate monomer) 15중량%와, 메탄올(methanol) 25중량%와, 실리콘 시드 5 중량%로 이루어지는 것이 가장 바람직하다.In addition, the compounding ratio of the flame retardant adhesives (9) and (11) was 30% by weight of a butyl acrylate monomer, 15% by weight of a methyl methacrylate monomer, and a vinyl acetate monomer. Most preferably, it is composed of 10% by weight, 15% by weight of 2-ethylhexylacrylate monomer, 25% by weight of methanol, and 5% by weight of silicon seed.
여기서 부틸아크릴레이트 모노머는 알킬기의 탄소수가 2~14개일 수 있는데, 1개 미만이면 전체 조성물의 응집력이 떨어지고, 14개를 초과하면 너무 유연해져 점착 물성이 떨어지므로 바람직하지 않다.Here, the butyl acrylate monomer may be 2 to 14 carbon atoms of the alkyl group, less than one is not preferable because the cohesive force of the entire composition is lowered, if more than 14 it is too flexible to lower the adhesive properties.
아울러 난연점착제(9)(11) 전체 중량을 기준으로 25 내지 35중량%로 함유될 수 있는데, 25중량% 미만으로 포함되는 경우에는 초기 점착력을 확보할 수 없고, 35중량%를 초과하여 포함되는 경우에는 피착물에 대한 전사가 크게 발생하므로 바람직하지 않다.In addition, the flame-retardant adhesive (9) (11) may be contained in 25 to 35% by weight based on the total weight, when included in less than 25% by weight can not secure the initial adhesive force, which is contained in excess of 35% by weight It is not preferable because the transfer to the adherend occurs largely.
그리고 메틸메타아크릴레이트 모노머는 난연점착제(9)(11) 전체 중량을 기준으로 10 내지 20중량%로 함유될 수 있는데, 10중량% 미만으로 포함되는 경우에는 필요 이상으로 견고해져 초기 점착력 떨어지고, 20중량%를 초과하여 포함되는 경우에는 필요 이상으로 유연해져 점착 물성이 저하되므로 바람직하지 않다.And methyl methacrylate monomer may be contained in 10 to 20% by weight based on the total weight of the flame-retardant adhesive (9) (11), when included in less than 10% by weight is more firm than necessary, the initial adhesive strength falls, 20 When included in excess of the weight%, it is not preferable because it is more flexible than necessary and the adhesive physical properties are lowered.
그리고 비닐아세트산 모노머는 난연점착제(9)(11) 전체 중량을 기준으로 5 내지 15중량%로 함유될 수 있는데, 5중량% 미만으로 포함되는 경우에는 너무 유연해져 충분한 점착 물성을 확보할 수 없고, 15중량%를 초과하여 포함되는 경우에는 과도하게 견고해져 현저한 점착력 저하가 발생하므로 바람직하지 않다.And the vinyl acetate monomer may be contained in 5 to 15% by weight based on the total weight of the flame-retardant adhesive (9) (11), when included in less than 5% by weight is too flexible to secure sufficient adhesive properties, If it is included in excess of 15% by weight, it is not preferable because it is excessively hardened and a marked drop in adhesive strength occurs.
그리고 2-에틸헥실아크릴레이트 모노머는 알킬기의 탄소수가 2~14개일 수 있는데, 1개 미만이면 전체 조성물의 응집력이 떨어지고, 14개를 초과하면 너무 유연해져 점착 물성이 떨어지므로 바람직하지 않다.And 2-ethylhexyl acrylate monomer may have 2 to 14 carbon atoms of the alkyl group, less than one is not preferred because the cohesive force of the whole composition is lowered, if more than 14 it is too flexible to lower the adhesive properties.
아울러 난연점착제(9)(11) 전체 중량을 기준으로 10 내지 20중량%로 함유될 수 있는데, 10중량% 미만으로 포함되는 경우에는 초기 점착력을 확보할 수 없고, 20중량%를 초과하여 포함되는 경우에는 피착물에 대한 전사가 크게 발생하므로 바람직하지 않다.In addition, the flame-retardant adhesive (9) (11) may be contained in 10 to 20% by weight based on the total weight, when included in less than 10% by weight can not secure the initial adhesive force, it is included in excess of 20% by weight It is not preferable because the transfer to the adherend occurs largely.
그리고 메탄올은 난연점착제(9)(11) 전체 중량을 기준으로 20 내지 30중량%로 함유될 수 있는데, 20중량% 미만으로 포함되는 경우에는 수축 현상 등의 기계적 안정성 및 화학적 안정성을 확보할 수 없고, 30중량%를 초과하여 포함되는 경우에는 초임계 분해로 인해 유동성이 증가하므로 바람직하지 않다.And methanol may be contained in 20 to 30% by weight based on the total weight of the flame-retardant adhesive (9) (11), when included in less than 20% by weight can not secure mechanical and chemical stability, such as shrinkage phenomenon When included in excess of 30% by weight, the fluidity is increased due to supercritical decomposition, which is not preferable.
그리고 실리콘 시드는 분자량이 500,000 이하일 수 있고, 입자크기가 50 나노미터 내지 200 나노미터일 수 있다. 실리콘 시드의 분자량이 500,000를 초과하는 경우에는 아크릴계 단량체들과의 공중합을 위한 상용성이 나빠지므로 바람직하지 않고, 입자크기가 50 나노미터 미만이면 제조가 어렵고, 200 나노미터를 초과하면 최종 중합되는 에멀젼 수지의 크기가 커져서 안정성이 저하되는 현상이 발생하므로 바람직하지 않으며, 또 함량이 3 중량% 미만이면 우수한 점착력과 유지력이라는 소망하는 효과를 얻을 수 없는 반면, 7 중량%를 초과하면 상용성이 나빠질 뿐만 아니라 난연점착제(9)(11) 층과 피착물, 즉 상부절연시트(1)와 차폐시트(10)의 계면 사이에 물질이 집중되어 피착물에 대한 전사가 일어나며, 시간 경과에 따른 점착력 증가효과가 부족하여 바람직하지 않다.The silicon seed may have a molecular weight of 500,000 or less, and a particle size of 50 nanometers to 200 nanometers. When the molecular weight of the silicon seed exceeds 500,000, it is not preferable because the compatibility for copolymerization with the acrylic monomers is poor, and if the particle size is less than 50 nanometers, it is difficult to prepare, and when the molecular seed exceeds 200 nanometers, the final polymerization emulsion It is not preferable because the size of the resin increases due to the phenomenon that the stability decreases, and if the content is less than 3% by weight, the desired effect of excellent adhesion and retention strength cannot be obtained. However, the material is concentrated between the flame-retardant adhesive layer 9 and the adherend, that is, the interface between the upper insulating sheet 1 and the shielding sheet 10, so that transfer to the adherend occurs, and the adhesive force increases with time. Lack of is not desirable.
제1재봉선(12)은 상부절연시트(1)의 한쪽 끝 부분과, 음극카본발열선(3)들의 한쪽 끝 부분 및 음극도전테이프(5)의 외측 가장자리를 포개어 접은 상태를 유지시키도록 재봉하여 형성되어 있다.The first sewing line 12 is formed by sewing one end portion of the upper insulating sheet 1, one end portion of the cathode carbon heating wires 3, and the outer edge of the cathode conductive tape 5 to be folded to maintain a folded state. It is.
즉, 제1재봉선(12)은 음극카본발열선(3)들과 음극도전테이프(5)의 전기적 접속 상태를 한층 더 강화하고 전기물리적 특성을 양호하게 변화시켜 음극카본발열선(3)들을 통해 전류가 누설되는 것을 효과적으로 차단하는 기능 및 역할을 수행한다.That is, the first sewing line 12 further strengthens the electrical connection state between the cathode carbon heating wires 3 and the cathode conductive tape 5 and changes the electrophysical properties well so that current flows through the cathode carbon heating wires 3. It functions and effectively blocks leakage.
제2재봉선(13)은 하부절연시트(2)의 한쪽 끝 부분과, 양극카본발열선(4)들의 한쪽 끝 부분 및 양극도전테이프(6)의 외측 가장자리를 포개어 접은 상태를 유지시키도록 재봉하여 형성되어 있다.The second sewing line 13 is formed by sewing one end portion of the lower insulating sheet 2, one end portion of the positive carbon heating wires 4, and the outer edge of the positive electrode conductive tape 6 so as to be folded and maintained in a folded state. It is.
즉, 제2재봉선(13)은 양극카본발열선(4)들과 양극도전테이프(6)의 전기적 접속 상태를 한층 더 강화하고 전기물리적 특성을 양호하게 변화시켜 양극카본발열선(4)들을 통해 전류가 누설되는 것을 효과적으로 차단하는 기능 및 역할을 수행한다.That is, the second sewing line 13 further strengthens the electrical connection state between the positive electrode carbon heating wires 4 and the positive electrode conductive tape 6 and changes the electrophysical properties well so that the current flows through the positive carbon heating wires 4. It functions and effectively blocks leakage.
제3재봉선(14)은 상부 및 하부절연시트(1)(2)의 다른 쪽 끝 부분과, 음극 및 양극카본발열선(3)(4)들의 다른 쪽 끝 부분 및 상부 및 하부도전테이프(7)(8)의 외측 가장자리를 함께 포개어 접은 상태를 유지시키도록 재봉하여 형성되어 있다.The third seam 14 is formed at the other end of the upper and lower insulating sheets 1 and 2, and at the other end of the cathode and anode carbon heating wires 3 and 4, and the upper and lower conductive tapes 7, respectively. The outer edge of (8) is folded together and sewn to maintain the folded state.
즉, 제3재봉선(14)은 음극 및 양극카본발열선(3)(4)들과 상부 및 하부도전테이프(7)(8)의 전기적 접속 상태를 한층 더 강화하고 전기물리적 특성을 양호하게 변화시켜 음극 및 양극카본발열선(3)(4)들을 통해 전류가 누설되는 것을 효과적으로 차단하는 기능 및 역할을 수행한다.That is, the third sewing line 14 further strengthens the electrical connection state between the cathode and anode carbon heating wires 3 and 4 and the upper and lower conductive tapes 7 and 8, and changes the electrophysical properties well. It serves to effectively block the leakage of current through the cathode and anode carbon heating wire (3) (4).
절연필름(15)은 음극카본발열선(3)들과 양극카본발열선(4)들 간의 절연을 위해 제1재봉선(12)과 제2재봉선(13)의 사이에 부착되어 있다.The insulating film 15 is attached between the first seam line 12 and the second seam line 13 to insulate the cathode carbon heating wires 3 and the positive carbon heating wires 4.
즉, 절연필름(15)은 제1재봉선(12) 및 제2재봉선(13)을 형성하기 위해 재봉하는 과정에서 만들어지는 그 각각의 재봉구멍을 통해 전류가 누설되는 것을 완벽하게 차단하는 기능 및 역할을 수행한다.That is, the insulating film 15 has a function and role of completely blocking the leakage of current through the respective sewing holes made in the process of sewing to form the first sewing line 12 and the second sewing line 13. Do this.
제1절연테이프(16)는 상부 및 하부절연시트(1)(2)의 한쪽 끝 부분과, 음극 및 양극카본발열선(3)(4)들의 한쪽 끝 부분 그리고 음극 및 양극도전테이프(5)(6)의 외측 가장자리를 각각 포개어 접은 상태로 감싸서 폐쇄하도록 부착되어 있다.The first insulating tape 16 has one end of the upper and lower insulating sheets 1, 2, one end of the cathode and anode carbon heating wires 3, 4, and the cathode and cathode conductive tape 5 ( 6) The outer edges of 6) are superimposed and attached so as to be wrapped and closed.
즉, 제1 및 제2재봉선(12)(13)을 재봉하여 상부 및 하부절연시트(1)(2)의 한쪽 끝 부분과, 음극 및 양극카본발열선(3)(4)들의 한쪽 끝 부분 그리고 음극 및 양극도전테이프(5)(6)의 외측 가장자리를 함께 포개어 접은 상태로 1차 결속한 후, 그 전체를 제1절연테이프(16)로 감싸듯이 부착하여 마감 처리함으로써 그 틈새를 통해 습기나 수분이 내부로 스며드는 것을 완벽하게 방지할 수 있다.That is, the first and second sewing lines 12 and 13 are sewn to one end of the upper and lower insulating sheets 1 and 2, and one end of the cathode and anode carbon heating wires 3 and 4, and After the outer edges of the negative electrode and the positive electrode conductive tapes (5) and (6) are folded together and folded in the folded state, they are first bonded and wrapped and covered with the first insulating tape (16) to finish the moisture. It can completely prevent moisture from seeping inside.
제2절연테이프(17)는 상부 및 하부절연시트(1)(2)의 다른 쪽 끝 부분과, 음극 및 양극카본발열선(3)(4)들의 다른 쪽 끝 부분 그리고 상부 및 하부도전테이프(7)(8)의 외측 단부를 함께 포개어 접은 상태로 감싸서 폐쇄하도록 부착되어 있다.The second insulating tape 17 has the other end of the upper and lower insulating sheets 1 and 2, the other end of the cathode and cathode carbon heating wires 3 and 4, and the upper and lower conductive tape 7 The outer ends of the 8) are folded together and wrapped in a folded state to be closed.
즉, 제3재봉선(14)를 제봉하여 상부 및 하부절연시트(1)(2)의 다른 쪽 끝 부분과, 음극 및 양극카본발열선(3)(4)들의 다른 쪽 끝 부분 그리고 상부 및 하부도전테이프(7)(8)의 외측 단부를 함께 포개어 접은 상태로 1차 결속한 후, 그 전체를 제2절연테이프(17)로 감싸듯이 부착하여 마감 처리함으로써 그 틈새를 통해 습기나 수분이 내부로 스며드는 것을 완벽하게 방지할 수 있다.That is, the third sewing line 14 is sewn to seal the other ends of the upper and lower insulating sheets 1 and 2, the other ends of the cathode and anode carbon heating lines 3 and 4, and the upper and lower conductive parts. After the outer ends of the tapes (7) (8) are folded together and folded in the first state, the entirety is attached by wrapping them with a second insulating tape (17) to finish the moisture or moisture through the gaps. It can completely prevent infiltration.
한편, 도 4에 도시된 바와 같이 본 발명의 실시 예에 따른 전열시트(S)는 온도조절기(20)와 온도센서(21) 및 바이메탈(22)을 더 포함하여 구성될 수 있다.Meanwhile, as illustrated in FIG. 4, the heat transfer sheet S according to the embodiment of the present invention may further include a temperature controller 20, a temperature sensor 21, and a bimetal 22.
온도조절기(20)는 음극 및 양극카본발열선(3)(4)들의 발열 온도를 조절하는 기능 및 역할을 하도록 구비되어 있다. Temperature controller 20 is provided to function and serve to control the exothermic temperature of the cathode and cathode carbon heating wire (3) (4).
즉, 온도조절기(20)는 음극 및 양극카본발열선(3)(4)들의 온도를 검출하여 사용자가 설정한 온도를 유지 및 희망하는 온도 값으로 조절하기 위한 제어를 실행한다.That is, the temperature controller 20 detects the temperatures of the cathode and anode carbon heating wires 3 and 4 to perform control for maintaining the temperature set by the user and adjusting the temperature to a desired temperature value.
온도센서(21)는 온도조절기(20)에 전기적으로 연결되어 음극 및 양극카본발열선(3)(4)들의 온도 변화에 따라 개폐되면서 그 전원공급을 제어하는 기능 및 역할을 하도록 구비되어 있다. The temperature sensor 21 is electrically connected to the temperature controller 20, and is opened and closed according to temperature changes of the cathode and anode carbon heating wires 3 and 4 to control the power supply thereof.
즉, 온도센서(21)는 안전기준을 충족하는 기준 값으로 제어 온도를 설정한 상태로 제공되어 감지 및 검출된 온도와 그 설정온도를 비교하여 감지온도가 설정온도보다 낮을 경우 음극 및 양극카본발열선(3)(4)들로 전원을 인가시키고, 이와 반대로 설정온도보다 높을 경우 음극 및 양극카본발열선(3)(4)들에 인가되는 전원을 차단하는 일련의 과정을 반복적으로 수행하여 지정 온도를 유지시킨다.That is, the temperature sensor 21 is provided with the control temperature set to a reference value that satisfies the safety standard, and compares the detected and detected temperature with the set temperature, when the detected temperature is lower than the set temperature, the cathode and anode carbon heating wires (3) (4) to apply power, and in contrast, if it is higher than the set temperature, a series of processes to cut off the power applied to the cathode and anode carbon heating wires (3) (4) are repeatedly performed. Keep it.
바이메탈(22)은 온도조절기(20)에 전기적으로 연결되어 음극 및 양극카본발열선(3)(4)들의 과열 시 전류를 자동으로 차단하는 기능 및 역할을 하며, 이상발열을 감지하여 과열 시, 즉 용단 온도(예를 들면 95℃)에 도달하면 끊어져 전류를 차단하며 한번 동작 후 재사용하기 위해 조정할 수 없는 비복귀형으로 구비될 수 있다.The bimetal 22 is electrically connected to the temperature controller 20 to automatically cut off the current when the cathode and anode carbon heating wires 3 and 4 are overheated. It can be provided as a non-returnable type that can be disconnected once it reaches a melting temperature (eg 95 ° C) to cut off the current and not adjust for reuse after one operation.
이와 같이 구성된 본 발명의 실시 예에 따른 전열시트(S)는 음극 및 양극카본발열선(3)(4)들이 전류방향을 상호 교차하는 병렬로 배선되어 있으므로 서로 반대방향으로 전류가 흘려 자기장을 상쇄시킬 수 있고, 아울러 차폐시트(10)가 플러그의 접지선을 통해 온도조절기 또는 콘센트 등의 외부와 접지되어 있으므로 전기장이 차폐시트의 도전성 소재(10a)의 내부를 흐르다가 상쇄 기능으로 소멸되거나 접지로 자연스럽게 방출될 수 있다.Since the heat transfer sheet S according to the embodiment of the present invention configured as described above is wired in parallel to cross the current direction of the cathode and anode carbon heating wires 3 and 4, current flows in opposite directions to cancel the magnetic field. In addition, since the shielding sheet 10 is grounded to the outside of a thermostat or an outlet through a ground wire of a plug, an electric field flows inside the conductive material 10a of the shielding sheet, and then disappears as a offset function or is naturally released to the ground. Can be.
그리고 음극 및 양극카본발열선(3)(4)들의 양단이 음극 및 양극도전테이프(5)(6), 상부 및 하부도전테이프(7)(8)에 의해 안정적으로 접속된 상태로 상부절연시트(1)와 하부절연시트(2) 사이에 견고하게 부착되어 있기 때문에 사용 중에 음극 및 양극카본발열선(3)(4)들이 유동되거나 합선되는 것을 방지할 수 있음은 물론 전류의 흐름을 균일하게 개선할 수 있다.And the upper insulating sheet in a state where both ends of the cathode and cathode carbon heating wires (3) (4) are stably connected by the cathode and anode conductive tapes (5) (6), the upper and lower conductive tapes (7) (8). Since it is firmly attached between 1) and the lower insulating sheet (2), it is possible to prevent the cathode and anode carbon heating wires (3) (4) from flowing or shorted during use, as well as to improve the flow of current uniformly. Can be.
또한, 상부절연시트(1)의 한쪽 끝 부분과, 음극카본발열선(3)들의 한쪽 끝 부분 그리고 음극도전테이프(5)의 외측 가장자리를 함께 포개어 접은 상태로 제1재봉선(12)에 의해 결속되어 있고, 하부절연시트(2)의 한쪽 끝 부분과, 양극카본발열선(4)들의 한쪽 끝 부분을 그리고 양극도전테이프(6)의 외측 가장자리를 함께 포개어 접은 상태로 제2재봉선(13)에 의해 결속되어 있으며, 이와 더불어 상부 및 하부절연시트(1)(2)의 다른 쪽 끝 부분과, 음극 및 양극카본발열선(3)(4)들의 다른 쪽 끝 부분 그리고 상부 및 하부도전테이프(7)(8)의 외측 가장자리를 함께 포개어 접은 상태로 제3재봉선(14)에 의해 결속되어 있기 때문에 상호 간의 접속력이 한층 강화되고 전기·물리적 특성이 양호하게 변화되어 음극 및 양극카본발열선(3)(4)들의 양쪽 끝 부분을 통해 전류가 누설되는 것을 차단할 수 있다.In addition, one end portion of the upper insulating sheet 1, one end portion of the negative electrode carbon heating wires 3 and the outer edge of the negative electrode conductive tape 5 are folded together and bound by the first sewing line 12. One end of the lower insulating sheet 2, one end of the positive carbon heating wires 4, and the outer edge of the positive electrode conductive tape 6 are folded together to be folded by the second sewing line 13. In addition, the other ends of the upper and lower insulating sheets 1, 2, the other ends of the cathode and cathode carbon heating wires 3, 4, and the upper and lower conductive tapes 7, 8 Bounded by the third sewing line 14 with the outer edges of the wires folded together, the connection force between each other is further strengthened, and the electrical and physical properties are changed well so that the cathode and anode carbon heating wires (3) (4) Current leakage through both ends of the You can block it.
게다가 음극 및 양극카본발열선(3)(4)들의 저항값이 음극 및 양극도전테이프(5)(6)와 상부 및 하부도전테이프(7)(8)를 통해 편차 없이 균일하게 분포되므로 발열이 정상적으로 작동하여 발열 온도가 부분적으로 편차를 보이거나 부분 과열로 인한 열변형 및 열손상을 예방할 수 있는 등 작동 시 전기적 안전성과 사용상의 효율성을 향상시킬 수 있다.In addition, since the resistance values of the cathode and anode carbon heating wires (3) and (4) are uniformly distributed through the cathode and anode conductive tapes (5) and (6) and the upper and lower conductive tapes (7) and (8) without deviation, heat generation is normally performed. It can improve the electrical safety and operational efficiency during operation such that the heating temperature can be partially deviated or prevent thermal deformation and thermal damage due to partial overheating.
한편, 본 발명의 실시 예에 따른 전열시트(S)에서 발생하는 전기장(Electric Field)과 자기장(Magnetic Field)을 한국기계전기전자시험연구원에 시험 의뢰하여 측정하였다. 이때, 전자기장환경(EMF) 인체노출과 관련된 가전제품 및 유사기기의 전자기장 시험방법 기준(EMF KTC 2002: 2013)에 의거하여(주파수범위 : 5Hz~2kHz, 측정거리 0cm) 측정하였다. 그 결과를 아래의 표 1에 나타내었다.Meanwhile, the electric field and the magnetic field generated in the heat transfer sheet S according to the embodiment of the present invention were measured by requesting a test from the Korea Institute of Mechanical and Electronic Testing. At this time, electromagnetic field environment (EMF) was measured according to the electromagnetic field test method standards (EMF KTC 2002: 2013) related to human exposure (frequency range: 5Hz ~ 2kHz, measuring distance 0cm). The results are shown in Table 1 below.
Figure PCTKR2016004448-appb-T000001
Figure PCTKR2016004448-appb-T000001
표 1에서 보이는 바와 같이 본 발명의 실시 예에 따른 전열시트(S)에서 발생하는 자기장의 최대 측정치는 1.272 [m/G]이고, 전기장의 최대 측정치는 2.981 [V/m]이므로 자기장의 시험기준인 2 [m/G] 이하와 전기장의 시험기준인 10 [V/m] 이하를 훨씬 상회하여 전자파 차폐효과가 매우 우수한 것임을 알 수 있다.As shown in Table 1, the maximum measurement value of the magnetic field generated in the heat transfer sheet S according to the embodiment of the present invention is 1.272 [m / G], and the maximum measurement value of the electric field is 2.981 [V / m], so the test criteria for the magnetic field are as follows. It is much higher than 2 [m / G] or less and 10 [V / m], which is a test standard of electric field, and it can be seen that the electromagnetic shielding effect is very excellent.
한편, 본 발명은 상술한 실시 예 및 첨부된 도면에 의해 한정되는 것이 아니고, 본 발명의 기술적 사상을 벗어나지 않는 범위 안에서 예시되지 않은 여러 가지 변형과 응용이 가능함은 물론 구성요소의 치환 및 균등한 타 실시 예로 변경할 수도 있다.On the other hand, the present invention is not limited by the above-described embodiment and the accompanying drawings, various modifications and applications that are not illustrated within the scope not departing from the technical spirit of the present invention, as well as substitution of components and other equivalent The embodiment may be changed.
이를테면, 침대시트, 보료, 변좌, 레저용이나 방한용 발열 의류, 장갑, 신발 그리고 건축용이나 산업용 난방 또는 가열장치, 농수산물용 건조장치, 도로나 주차장의 결빙 방지장치 등을 비롯하여 이불, 방석, 매트, 카펫, 자동차 시트, 커튼 및 의류 등과 같이 편안한 착용감과 안락감 및 안전성을 요구하는 다양한 생활용품 혹은 의료용품 등 여러 산업분야에서 폭넓게 적용하여 사용할 수도 있음은 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에게 있어서 명백하다.For example, sheets, blankets, toilet seats, heating or winter heating clothing, gloves, shoes and blankets, cushions, mats, carpets, etc., for building or industrial heating or heating, drying equipment for agricultural and marine products, and frost protection for roads and parking lots. It can be widely applied in various industrial fields such as various household goods or medical supplies that require a comfortable fit, comfort and safety, such as car seats, curtains, and clothing, to those skilled in the art. Is obvious.
그러므로 본 발명의 특징에 대한 변형과 응용에 관계된 내용은 본 발명의 기술사상 및 범위 내에 포함되는 것으로 해석하여야 할 것이다.Therefore, the content related to the modification and application of the features of the present invention should be construed as being included in the technical spirit and scope of the present invention.

Claims (4)

  1. 일정한 너비를 갖는 상부절연시트;An upper insulating sheet having a constant width;
    상기 상부절연시트의 하면에 부합된 하부절연시트;A lower insulating sheet corresponding to a lower surface of the upper insulating sheet;
    상기 상부 및 하부절연시트의 사이에 일정한 간격을 두고 나란하게 복수로 배열된 음극 및 양극카본발열선;Cathode and anode carbon heating wires arranged in a plurality of side by side at a predetermined interval between the upper and lower insulating sheets;
    상기 음극카본발열선들의 일단과 전기적으로 연결되도록 상기 상부절연시트의 하면 일측에 부착되고, 전원의 음극과 접속되는 음극도전테이프;A negative electrode conductive tape attached to one side of a lower surface of the upper insulating sheet to be electrically connected to one end of the negative electrode carbon heating wires and connected to the negative electrode of the power source;
    상기 양극카본발열선들의 일단과 전기적으로 연결되도록 상기 하부절연시트의 상면 일측에 부착되고, 전원의 양극과 접속되는 양극도전테이프;A positive electrode conductive tape attached to one side of an upper surface of the lower insulating sheet to be electrically connected to one end of the positive electrode carbon heating wires and connected to the positive electrode of the power source;
    상기 음극카본발열선들의 타단을 전기적으로 서로 연결하도록 상기 상부절연시트의 하면 타측에 부착된 상부도전테이프;An upper conductive tape attached to the other side of the lower surface of the upper insulating sheet to electrically connect the other ends of the cathode carbon heating wires to each other;
    상기 양극카본발열선들의 타단을 전기적으로 서로 연결하도록 상기 하부절연시트의 상면 타측에 부착된 하부도전테이프;A lower conductive tape attached to the other side of the upper surface of the lower insulating sheet so as to electrically connect the other ends of the anode carbon heating wires to each other;
    상기 상부절연시트의 상면에 부합하되, 외부에 접지되는 도전성 소재가 구비된 차폐시트;A shielding sheet that corresponds to an upper surface of the upper insulating sheet but is provided with a conductive material grounded to the outside;
    상기 상부절연시트와 상기 하부절연시트 사이에 도포되어 그 부합 상태와 상기 음극 및 양극카본발열선들의 배열 상태를 유지시키며, 상기 상부절연시트와 상기 차폐시트 사이에 도포되어 그 부합 상태를 유지시키는 난연점착제;A flame-retardant adhesive is applied between the upper insulating sheet and the lower insulating sheet to maintain the matching state and the arrangement state of the cathode and cathode carbon heating wires, and is applied between the upper insulating sheet and the shielding sheet to maintain the matching state. ;
    상기 상부절연시트의 일단과, 상기 음극카본발열선의 일단 및 상기 음극도전테이프의 외측 단부를 함께 포개어 접은 상태를 유지시키는 제1재봉선; A first sewing line which overlaps one end of the upper insulating sheet, one end of the cathode carbon heating wire, and an outer end of the cathode conductive tape to maintain a folded state;
    상기 하부절연시트의 일단과, 상기 양극카본발열선의 일단 및 상기 양극도전테이프의 외측 단부를 함께 포개어 접은 상태를 유지시키는 제2재봉선; 및A second sewing line which overlaps one end of the lower insulating sheet, one end of the positive electrode carbon heating wire, and an outer end of the positive electrode conductive tape together to maintain a folded state; And
    상기 상부 및 하부절연시트의 타단과, 상기 음극 및 양극카본발열선의 타단과, 상기 상부 및 하부도전테이프의 외측 단부를 함께 포개어 접은 상태를 유지시키는 제3재봉선;A third sewing line which overlaps the other ends of the upper and lower insulating sheets, the other ends of the cathode and anode carbon heating wires, and the outer ends of the upper and lower conductive tapes together to maintain a folded state;
    을 포함하는 전열시트.Heat transfer sheet comprising a.
  2. 제1항에 있어서,The method of claim 1,
    상기 제1재봉선과 상기 제2재봉선의 사이에 부착된 절연필름;An insulating film attached between the first seam and the second seam;
    상기 상부 및 하부절연시트의 일단과, 상기 음극 및 양극카본발열선의 일단과, 상기 음극 및 양극도전테이프의 외측 단부를 각각 포개어 접은 상태로 감싸는 제1절연테이프; 및A first insulating tape covering one end of the upper and lower insulating sheets, one end of the negative electrode and the positive electrode carbon heating wire, and outer ends of the negative electrode and the positive electrode conductive tape, respectively, in a folded state; And
    상기 상부 및 하부절연시트의 타단과, 상기 음극 및 양극카본발열선의 타단과, 상기 상부 및 하부도전테이프의 외측 단부를 함께 포개어 접은 상태로 감싸는 제2절연테이프; A second insulating tape surrounding the other ends of the upper and lower insulating sheets, the other ends of the cathode and cathode carbon heating wires, and outer ends of the upper and lower conductive tapes folded and wrapped together;
    를 더 포함하는 전열시트.Heat transfer sheet containing more.
  3. 제1항 또는 제2항에 있어서,The method according to claim 1 or 2,
    상기 음극 및 양극도전테이프와 상기 상부 및 하부도전테이프는, 그 각각의 일면에 아크릴 공중합체(Acrylic copolymer) 40~50중량부와; 에틸 아세테이트(Ethyl acetate) 20~30중량부와; 아세톤(Acetone) 10~20중량부와; 톨루엔(Tolune) 20~30중량부가 함유된 주제 100phr에 대하여 이소시아네이트(Isocyanate) 0.2~10phr를 혼합하여 이루어진 도전점착제가 코팅된 전열시트.The negative electrode and the positive electrode conductive tape and the upper and lower conductive tapes, each 40 to 50 parts by weight of an acrylic copolymer (Acrylic copolymer); 20-30 parts by weight of ethyl acetate; 10-20 parts by weight of acetone; Toluene (Tolune) A conductive adhesive coated heat transfer sheet made by mixing 0.2 to 10 phr of isocyanate with respect to 100 phr of main ingredient containing 20 to 30 parts by weight.
  4. 제1항 또는 제2항에 있어서,The method according to claim 1 or 2,
    상기 난연점착제는, 부틸아크릴레이트 모노머(butyl acrylate monomer) 25~35중량%; 메틸메타아크릴레이트 모노머(methyl metacrylate monomer) 10~20중량%; 비닐아세트산 모노머(vinyl acetate monomer) 5~15중량%; 2-에틸헥실아크릴레이트 모노머(2-ethyl hexylacrylate monomer) 10~20중량%; 메탄올(methanol) 20~30중량%; 실리콘 시드(seed) 3~7 중량%로 이루어진 전열시트.The flame retardant adhesive, butyl acrylate monomer 25 to 35% by weight; 10-20% by weight of methyl methacrylate monomer (methyl metacrylate monomer); 5-15% by weight of vinyl acetate monomer; 10-20% by weight of 2-ethylhexylacrylate monomer; 20-30% by weight of methanol; Heat transfer sheet consisting of 3 to 7% by weight of silicon seed.
PCT/KR2016/004448 2016-01-14 2016-04-28 Flame-retardant electromagnetic wave shielding heat transfer sheet WO2017122875A1 (en)

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108463014A (en) * 2018-05-08 2018-08-28 东莞市爱博特电热制品有限公司 A kind of electric heating patch
KR20230046624A (en) * 2021-09-30 2023-04-06 지유엠아이씨 주식회사 Planar heating sheet using carbon fiber as a heating element

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100087907A (en) * 2009-01-29 2010-08-06 주식회사 온돌리아 Film heater with improved stability and its manufacturing method
KR20120098189A (en) * 2011-02-28 2012-09-05 권상희 Sheet type heating element and method of manufacturing the same
WO2013062207A1 (en) * 2011-10-24 2013-05-02 주식회사 코리아난방 Heating mat and method for manufacturing same
KR101303186B1 (en) * 2013-05-23 2013-09-12 박종배 Electric heating sheet for direct current
WO2014010932A1 (en) * 2012-07-10 2014-01-16 (주)엘지하우시스 Flame retardant adhesive agent composition having improved gas bubble stability, and method for preparing same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200291627Y1 (en) 2002-07-05 2002-10-11 정인조 Electric quilt
KR200327477Y1 (en) 2003-06-23 2003-09-19 주식회사 대진전자 An electric mat shielding from electromagnetic waves
KR20080081219A (en) * 2007-10-18 2008-09-09 주식회사 한진에너지 Electricheating sheet for snow removal
KR200453539Y1 (en) 2010-09-14 2011-05-11 이성숙 Electric field plate with electromagnetic shielding means
KR20150012795A (en) 2013-07-25 2015-02-04 실버레이 주식회사 Conduction planar element with electromagnetic waves shielding function
KR101576545B1 (en) 2014-04-25 2015-12-11 (주) 파루 Heating mat using electromagnetic shielding film

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100087907A (en) * 2009-01-29 2010-08-06 주식회사 온돌리아 Film heater with improved stability and its manufacturing method
KR20120098189A (en) * 2011-02-28 2012-09-05 권상희 Sheet type heating element and method of manufacturing the same
WO2013062207A1 (en) * 2011-10-24 2013-05-02 주식회사 코리아난방 Heating mat and method for manufacturing same
WO2014010932A1 (en) * 2012-07-10 2014-01-16 (주)엘지하우시스 Flame retardant adhesive agent composition having improved gas bubble stability, and method for preparing same
KR101303186B1 (en) * 2013-05-23 2013-09-12 박종배 Electric heating sheet for direct current

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