CN214776141U - Heating jacket - Google Patents
Heating jacket Download PDFInfo
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- CN214776141U CN214776141U CN202121193997.9U CN202121193997U CN214776141U CN 214776141 U CN214776141 U CN 214776141U CN 202121193997 U CN202121193997 U CN 202121193997U CN 214776141 U CN214776141 U CN 214776141U
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- positive electrode
- negative electrode
- heating jacket
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 163
- 239000010410 layer Substances 0.000 claims description 37
- 238000000576 coating method Methods 0.000 claims description 14
- 239000012790 adhesive layer Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 10
- 239000011241 protective layer Substances 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000004831 Hot glue Substances 0.000 claims description 5
- 239000011888 foil Substances 0.000 claims description 5
- 229910021389 graphene Inorganic materials 0.000 claims description 5
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 4
- 239000004917 carbon fiber Substances 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- XMWRBQBLMFGWIX-UHFFFAOYSA-N C60 fullerene Chemical compound C12=C3C(C4=C56)=C7C8=C5C5=C9C%10=C6C6=C4C1=C1C4=C6C6=C%10C%10=C9C9=C%11C5=C8C5=C8C7=C3C3=C7C2=C1C1=C2C4=C6C4=C%10C6=C9C9=C%11C5=C5C8=C3C3=C7C1=C1C2=C4C6=C2C9=C5C3=C12 XMWRBQBLMFGWIX-UHFFFAOYSA-N 0.000 claims description 3
- 239000002041 carbon nanotube Substances 0.000 claims description 3
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 3
- 229910003472 fullerene Inorganic materials 0.000 claims description 3
- 238000005253 cladding Methods 0.000 abstract description 17
- 230000005611 electricity Effects 0.000 abstract description 5
- 239000010985 leather Substances 0.000 description 12
- 239000003292 glue Substances 0.000 description 8
- 239000002390 adhesive tape Substances 0.000 description 6
- 239000006260 foam Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 238000005187 foaming Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000011889 copper foil Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 230000037303 wrinkles Effects 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 229910001567 cementite Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- UFGZSIPAQKLCGR-UHFFFAOYSA-N chromium carbide Chemical compound [Cr]#C[Cr]C#[Cr] UFGZSIPAQKLCGR-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910003470 tongbaite Inorganic materials 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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Abstract
The utility model relates to a heating jacket, it includes a plurality of cover bodies, external pencil, each cover body is including first tie coat, establish a plurality of pieces and banding positive electrode and the negative electrode that generate heat that can electrically conduct on first tie coat, it is wide that the piece that generates heat is the narrow both ends in middle part, positive electrode and each generate heat a tip connection of piece, negative electrode and each generate heat another tip connection of piece, be in under the cladding state when the heating jacket, a plurality of cover bodies enclose synthetic circular, and the positive electrode end to end of a plurality of cover bodies forms first link, the negative electrode end to end of a plurality of cover bodies forms the second link, first link and second link all are used for being connected with external pencil electricity, external pencil is used for being connected with external power supply electricity. The utility model provides a heating jacket, a plurality of jacket bodies surround to complete full cladding, each jacket body is provided with a heating sheet, a positive electrode and a negative electrode, so that the heating jacket realizes surface heating and uniform temperature; the heating sheet has high heating rate and saves energy; the wrapped paper is smooth and has no bulge.
Description
Technical Field
The utility model relates to a heating jacket.
Background
At present, the heating medium of the steering wheel is mainly metal or carbon fiber resistance wires. Through joule's principle of generating heat, the resistance wire gives out electric energy conversion heat energy, transmits to the leather surface through the cladding. In order to make the surface temperature of the leather as uniform as possible, the heating resistance wires are generally arranged on a load object according to a specific mode, the load object is usually foam or a grid fiber adhesive tape, one end of the resistance wire is a positive electrode, the other end of the resistance wire is a negative electrode, and if the resistance wire is disconnected at one position, the heating resistance wire cannot generate heat. The foam load is thicker and has larger flexibility and deformability; the grid fiber adhesive tape is thin, good in flexibility and general in deformability.
The construction process of the foam heating jacket comprises the following steps: the back of the surface of the foam heating sleeve with the resistance wire is coated with pressure-sensitive adhesive and is tightly attached to the inner surface of the leather; coating the other side of the foam with gum or glue water on the steering wheel body; the leather is tightly attached to the steering wheel by a tool, and is flat and free of defects; the leather edge is sewn. The disadvantages are: the resistance wire is a wire heating body, and the temperature uniformity is poor; the resistance wire is directly attached under the leather, the heat emitted by the resistance wire is not well diffused to the periphery, and the temperature uniformity is poor; the resistance wire is close to the leather, which may cause protrusion, resulting in poor touch feeling and affecting comfort.
The construction process of the grid fiber adhesive tape heating sleeve comprises the following steps: attaching the back adhesive surface of the steering wheel to the steering wheel foam; the steering wheel is tightly attached to the steering wheel by a tool; carrying out secondary foaming treatment on the surface of the composite material; the leather sleeved with the rubberized leather is tightly attached to the steering wheel by a tool, and is flat and free of defects; the leather edge is sewn. The disadvantages are: the resistance wire is a wire heating body, and the temperature uniformity is poor; the process procedure is complicated, and the labor cost is high; the thick foaming layer influences the heat transfer of the resistance wire in the vertical direction, the heating rate is slow, and the energy consumption is high.
The problem that current car steering wheel heating jacket exists: 1. the uniformity of the heating temperature of the resistance wire is poor; 2. the heating wire and the leather are obviously raised, so that poor touch feeling is caused, and the comfort is influenced; 3. the secondary foaming influences the vertical heat transfer, the heating rate is slow, and the energy consumption is high; 4. the secondary foaming and secondary coating processes are relatively complicated and labor cost is high.
Disclosure of Invention
The utility model aims at providing a heating jacket not only can improve the temperature homogeneity that generates heat, can improve the travelling comfort again.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a heating jacket, which comprises a plurality of jacket bodies and external wiring harnesses, wherein each jacket body comprises a first bonding layer, a plurality of conductive heating sheets arranged on the first bonding layer, and a strip-shaped positive electrode and a strip-shaped negative electrode, each heating sheet is narrow in the middle part and wide in two ends, the positive electrode is connected with one end part of each heating sheet, the negative electrode is connected with the other end part of each heating sheet, when the heating jacket is in a coating state, the plurality of jacket bodies are encircled into a circle, the anode electrodes of the plurality of jacket bodies are connected end to form a first connecting end, the cathode electrodes of the plurality of jacket bodies are connected end to form a second connecting end, the first connecting end and the second connecting end are both used for being electrically connected with the external wiring harness, and the external wiring harness is used for being electrically connected with an external power supply; the first adhesive layer has elasticity.
Further, the positive electrode and the negative electrode are wavy.
Furthermore, the wavelength of the positive electrode and the negative electrode is 1-10mm, and the amplitude of the positive electrode and the negative electrode is 1-5 mm.
Furthermore, the sleeve body further comprises a second bonding layer arranged on one surface of the heating sheet, which is far away from the first bonding layer.
Further, the first bonding layer and the second bonding layer are hot melt adhesive films, pressure-sensitive adhesive films or coatings.
Further, the heating jacket further comprises a temperature sensor for collecting the temperature of the heating jacket, and the temperature sensor is arranged on the heating sheet.
Furthermore, the heating jacket also comprises a protective layer arranged on one surface of the first bonding layer, which is far away from the heating sheet.
Further, the conductive material in the heating sheet comprises conductive carbon black, fullerene, carbon nano tube and graphene, and the positive electrode and the negative electrode are made of conductive metal wires, conductive metal foils, conductive metal sheets or carbon fibers.
Furthermore, the ratio range of the maximum value to the minimum value of the length of the heating sheet is 1.05-2.00, and the length direction of the heating sheet is consistent with the extending direction of the sleeve body.
Further, the minimum range of the transverse distance between two adjacent heating sheets is 1-10 mm.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the utility model provides a heating jacket, a plurality of cover bodies enclose to close and accomplish the full cladding, and each cover body has heating plate, positive electrode and negative electrode, realizes the face through heating plate and positive electrode and negative electrode electricity connection, positive electrode and negative electrode and external power source electricity connection and generates heat, and temperature homogeneity is good; the heating sleeve is flat and has no bulge after being wrapped on an object to be wrapped, no touch feeling is caused, and the comfort is good; the heating sheet has high heating rate and saves energy; the heating jacket can be perfectly attached to the curved surface, and stretching deformation or overlapped wrinkles which affect the smoothness and the temperature uniformity cannot occur.
Drawings
Fig. 1 is a schematic view of a top-view cross-sectional structure of a heating jacket according to the present invention;
fig. 2 is a schematic view of a cross-sectional structure of a heating sleeve on a steering wheel body according to the present invention;
FIG. 3 is a circuit structure diagram of the connection between the heating jacket and the external wire harness designed by the present invention;
fig. 4 is a schematic view of the overlooking cross section structure of the two heating jackets of the present invention.
In the above drawings: the temperature-sensing device comprises a positive electrode, a negative electrode, 2 a first bonding layer, 3 a heating sheet, 4 a protective layer, 5 a steering wheel body, 6 a second bonding layer, 7 a wiring terminal and 8 a temperature sensor.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses an in an embodiment, provide a heating jacket, be applied to the steering wheel, pipeline, the curved surface object etc. that generate heat of automotive industry, establish the heating jacket cover when treating the cladding object on, need come the cladding from treating cladding object inner circle to the outer lane.
The heating jacket has the following specific structure: referring to fig. 1 to 3, each jacket body comprises a first adhesive layer 2, a plurality of conductive heating sheets 3 arranged on the first adhesive layer 2, and strip-shaped positive electrodes and negative electrodes 1, each heating sheet 3 is narrow in the middle and wide in two ends, the positive electrode is connected with one end of each heating sheet 3, the negative electrode is connected with the other end of each heating sheet 3, when the heating jacket is in a coating state, the jacket bodies are enclosed into a circle, the positive electrodes of the jacket bodies are connected end to form a first connecting end, the negative electrodes of the jacket bodies are connected end to form a second connecting end, and the first connecting end and the second connecting end are both used for being electrically connected with the external wiring harness; the external harness includes a wire and a terminal 7.
The heat generation principle is as follows: in the coating state, the positive electrode and the negative electrode 1 are respectively connected with an external wiring harness, the external wiring harness is connected with an external power supply to supply power to the external wiring harness, and the positive electrode and the negative electrode 1 respectively have different potentials and have potential differences (namely voltages). The heating sheets 3 are positioned on the same plane to form a heating layer, the heating sheets are used as resistance heating bodies, heating is carried out through the joule heating principle, so that the heating sleeve heats, the heating sheets are used for surface heating, and the temperature uniformity is good; the heating sheet is thin away from the outer surface of the protective layer, the vertical heat transfer distance is short, the heating rate is high, and energy is saved.
The heating sheet 3 can conduct electricity, the conducting material in the heating sheet 3 comprises conducting carbon material, carbide, oxide or metal, and the conducting carbon material comprises conducting carbon black, fullerene, carbon nano tube or graphene; the carbide comprises tungsten carbide, chromium carbide, manganese carbide and iron carbide; the oxide includes indium oxide, zinc oxide, or nickel oxide, which are known materials. The thickness of the heating sheet is preferably 0.01-1 mm.
Each heating sheet 3 is narrow in the middle and wide in both ends, such as a thin waist shape, referring to fig. 1, the length direction of the heating sheet 3 is consistent with the length direction (i.e. the X axis direction) of the sleeve body, the narrow in the middle and wide in both ends refer to the length direction (i.e. the X axis direction), the length of the middle of the heating sheet (as indicated by an arrow a in fig. 1) is smaller than the length of both ends (as indicated by an arrow b in fig. 1), a plurality of planar heating sheets 3 are arranged in parallel to form a heating layer, and the ratio of the maximum value to the minimum value of the length of the heating sheet 3 ranges from 1.05 to 2.00. The distance is kept between two adjacent heating sheets 3, the minimum range of the transverse (X-axis direction) distance between two adjacent heating sheets 3 is 1-10mm, and the transverse direction (length direction) is consistent with the extending direction of the sleeve body.
The positive electrode and the negative electrode 1 are made of conductive metal wires, conductive metal foils, conductive metal sheets or carbon fibers. The positive electrode 1 and the negative electrode 1 are of strip-shaped structures, the length ranges of the positive electrode 1 and the negative electrode 1 are 0.1-10 mm, and the lengths are selected according to the size of an object to be coated.
The positive electrode 1 and the negative electrode 1 are wavy, the wavelength of the positive electrode 1 and the wavelength of the negative electrode 1 are 1-10mm, and the amplitude of the positive electrode 1 and the amplitude of the negative electrode 1 are 1-5 mm. Preferably, the wave crest of the positive electrode is opposite to the wave crest of the negative electrode, and the wave trough of the positive electrode is opposite to the wave trough of the negative electrode. When the heating sleeve is coated on the steering wheel body, the tubular or curved object, the wavy positive electrode and the negative electrode can be bent or pulled, so that the positive electrode and the negative electrode 1 deform along with the heating sheet. In fig. 1, the positive electrode and the negative electrode are respectively provided with one electrode, that is, one electrode is a positive electrode, and the other electrode is a negative electrode. The positive electrode and the negative electrode 1 are flush with or close to the inner side of the boundary of the heating sheet 3 and do not exceed the heating sheet, and the lower surfaces of the positive electrode and the negative electrode 1 are preferably in complete contact with the surface of the heating sheet 3. The cover body further comprises a second bonding layer 6 arranged on one side of the heating sheet 3 deviating from the first bonding layer 2, the second bonding layer 6 is glue or double-sided adhesive, the cover body can be directly and tightly bonded on an object to be coated, and the operation is convenient.
The first bonding layer 2 and the second bonding layer 6 are both elastic hot melt adhesive films, pressure-sensitive adhesive films or coatings, such as polyurethane, EVA or PA, the first bonding layer 2 and the second bonding layer 6 both adopt insulating glue, and the insulating glue is used for bonding a protective layer, a positive electrode, a negative electrode 1 and a heating sheet substrate and insulating and sealing the heating sheet. The thickness of first tie coat 2 and second tie coat 6 is 10 ~ 200um, and elastic deformation ability is 5 ~ 30%. Through the tensile deformation of tie coat, the heating jacket can closely the cladding on steering wheel, pipeline to can realize that two adjacent pieces that generate heat interval is unanimous, even the piece that generates heat is inelastic (the piece that generates heat can be elastic or inelastic), also can realize closely the cladding and evenly generate heat.
Two adjacent tie layers that generate heat between the piece are middle wide both ends narrow (indicate on the X axle direction, tie layer middle part length is greater than both ends length), with the heating jacket from the inner circle to the cladding of outer lane at the steering wheel, when on the pipeline, two adjacent generate heat the tensile deformation of tie layer between the piece (the piece can not have elasticity that generates heat, then the piece indeformable that generates heat), make two generate heat tie layer both ends between the piece elongate to unanimous with middle part length, and then make on the heating jacket after the cladding interval between two adjacent pieces that generate heat unanimously, the power that generates heat is unanimous, then transmit to the steering wheel body, the temperature on the pipeline is even. The adhesive layer here refers to the first adhesive layer 2 and/or the second adhesive layer 6.
If only when first tie coat 2, be in the cladding state when the heating jacket, generate heat and keep the interval between 3 both ends along its circumference, separate through the tie coat, if generate heat 3 along the contact of the both ends of its circumference, can the short circuit, lead to heating jacket skin not generating heat, the risk of burning out in addition. In this case, the positive electrode 1 and the negative electrode 1 are preferably spaced apart from each other at a constant interval, and the heat generation power is uniform, so that short circuit may occur if there is no space between the positive electrode 1 and the negative electrode 1.
When the first bonding layer 2 and the second bonding layer 6 are arranged, the heating sheet 3 can contact with and keep a distance between two ends of the heating sheet along the circumferential direction of the heating sheet when the heating jacket is in a coating state, and the positive electrode and the negative electrode 1 can contact with and keep a distance between the positive electrode and the negative electrode.
The heating jacket further comprises a protective layer 4 arranged on one side of the first bonding layer 2 far away from the heating sheet 3, and the protective layer 4 is preferably leather.
The heating jacket also comprises a temperature sensor for collecting the temperature of the heating jacket, the temperature sensor is arranged on the heating sheet 3, if the temperature sensor is positioned between the protective layer 4 and the heating sheet 3 or between the heating sheet and the object to be coated, and the temperature sensor 8 is preferably a thermocouple for monitoring the temperature of the object to be coated (a steering wheel and a pipeline).
When the heating jacket is applied to the steering wheel body 5, if the inner ring of the steering wheel body 5 is provided with the connecting rod, when the steering wheel body 5 is coated from the inner ring to the outer ring, a plurality of jacket bodies are required to be coated on the steering wheel body 5 respectively, when the steering wheel body is coated, the positive electrodes on the jacket bodies are distributed in a line, the negative electrodes on the jacket bodies are distributed in a line, the positive electrodes on the jacket bodies are all positioned on one side of the heating sheet, the negative electrodes on the jacket bodies are all positioned on the other side of the heating sheet, the positive electrodes on the jacket bodies are connected end to form a first connecting end, the negative electrodes on the jacket bodies are connected end to form a second connecting end, the positive electrode on each jacket body has two ends, specifically, two jacket bodies are arranged as shown in fig. 4, the two jacket bodies are respectively a first jacket body and a second jacket body, the positive electrodes on the first jacket body and the second jacket body are both positioned on one side of the heating sheet, the negative electrodes on the first sleeve body and the second sleeve body are both positioned on the other side of the heating sheet, one end of the positive electrode of the first sleeve body is connected with one end of the positive electrode of the second sleeve body, and the other end of the positive electrode of the first sleeve body is connected with the other end of the positive electrode of the second sleeve body to form a first connecting end (namely, the first connecting end and the second connecting end are connected end to form a round shape); one end of the negative electrode of the first sleeve body is connected with one end of the negative electrode of the second sleeve body, the other end of the negative electrode of the first sleeve body is connected with the other end of the negative electrode of the second sleeve body to form a second connecting end (namely, the first connecting end and the second connecting end are connected end to form a circle), the first connecting end and the second connecting end are both electrically connected with an external wire harness, and the external wire harness is connected with a power supply line to realize electrification and heating. At this time, the positive electrode and the negative electrode 1 are respectively formed in a circular shape; the heating sheet 3 is in a ring shape, and the anode electrode and the cathode electrode 1, the heating sheet 3 and the steering wheel body 5 are arranged concentrically. The positive electrode or the negative electrode can be normally heated if one of the positive electrode or the negative electrode is disconnected, and the use of the electrode is superior to that of a resistance wire; and even if the heating sheet is broken or has holes, the normal heating of other heating sheets is not influenced.
When the two sleeve bodies are arranged, the part of the joint of the two positive electrodes of the two sleeve bodies, which extends out of the sleeve bodies, is coated with the insulating layer, and the part of the joint of the two negative electrodes of the two sleeve bodies, which extends out of the sleeve bodies, is coated with the insulating layer.
The heating jacket is independent of treating cladding object (steering wheel body 5), when needs installation heating jacket, generates heat the one side coating second tie coat (glue or double faced adhesive tape) that the first tie coat was kept away from to the piece at the cover body, and it is external to treat cladding object to bond the cover body again, and once the cladding just can be directly with the cover body cover at steering wheel body 5 and the laminating is inseparable, saves the manual work. Or coating glue or double-sided adhesive on the object to be coated, and bonding the sleeve body on the object to be coated.
The heating sleeve is applied to a steering wheel body in the automobile industry, a connecting rod is arranged on the inner ring of the steering wheel body, a plurality of sleeve bodies are required to be respectively wrapped on the steering wheel, and the connecting mode among the plurality of sleeve bodies is shown in figure 4 and specifically as follows:
the thin waist-shaped planar heating sheet is made of graphene as a conductive material, is a composite film of polyurethane and graphene (prepared by a conventional technical means), has a thickness of 50um, has a maximum length at the widest part (indicated by an arrow b in fig. 1) of 16mm, and has a minimum length at the narrowest part (indicated by an arrow a in fig. 1, namely an electrode covering part) of 12 mm. The positive electrode and the negative electrode are both wavy Cu foils, the thickness of the copper foil is 50um, the width of the copper foil is 5mm, and the wavelength and the amplitude of the copper foil are respectively 5mm and 4 mm. The first bonding layer and the second bonding layer are TPU (polyurethane) hot melt adhesive films, and the thickness of the TPU hot melt adhesive films is 100 mu m.
A Cu foil with the length of 340mm is taken, the Cu foils are placed in parallel, the waveforms are consistent, the distance is 64mm, and the thin waist-shaped heating plates are arranged in parallel (figure 1). The positive electrode and the negative electrode are positioned at two ends of the heating sheet, the positive electrode and the negative electrode are positioned between the first bonding layer and the second bonding layer, and are compounded through a hot roller at 130 ℃ to form the heating jacket with a strip-shaped structure.
Referring to fig. 3, a temperature sensor is fixed on the bonding layer outside the heating sheet, so that the temperature of the heating sleeve can be monitored, and the temperature control is realized through an electronic circuit.
See fig. 2, when the heating jacket is coated on the steering wheel body, one end of the heating jacket is fixed on the steering wheel body by double faced adhesive tape or glue from the inner ring to the outer ring of the steering wheel body (the inner ring is close to the center of the steering wheel body, and the outer ring is far away from the center of the steering wheel body), and then the heating jacket is pulled along the steering wheel body and is tightly coated, and the double faced adhesive tape or glue is arranged on the steering wheel body 5 at intervals of 20 cm. The heating jacket is complete cladding back on the steering wheel body, and two positive electrode of two cover bodies are connected and the junction stretches out the partial coating insulating layer of the cover body, and two negative electrode of two cover bodies are connected and the junction stretches out the partial coating insulating layer of the cover body, then connect positive electrode and negative electrode together respectively and form 2 parallel rings, connect respectively with 2 external pencil and draw forth again, and the other end of external pencil connects binding post to be connected on the on-vehicle circuit, generates heat after the circular telegram.
If curved surfaces with other shapes are encountered, the uniform heating function superior to a resistance wire heating mode can be realized only by changing the shape of the planar heating sheet according to the shape of the planar heating sheet to ensure that the gap is minimum and uniform, and the heating sleeve can be perfectly attached to the curved surfaces without tensile deformation or overlapped wrinkles influencing the flatness and the temperature uniformity.
The heating jacket provided by the utility model is suitable for a steering wheel body (or a pipe body with a baffle component in the inner circle) with a connecting rod in the inner circle, and a plurality of jacket bodies are enclosed to complete full cladding; each sleeve body is provided with a heating sheet, a positive electrode and a negative electrode, the heating sheet is electrically connected with the positive electrode and the negative electrode, the positive electrode and the negative electrode are electrically connected with an external power supply through an external wiring harness to realize surface heating, the heating sheet is surface heating, and the temperature uniformity is good; the heating sleeve is flat and has no bulge after being wrapped on an object to be wrapped, no touch feeling is caused, and the comfort is good; the heating sheet is thin away from the outer surface of the protective layer, the vertical heat transfer distance is short, the heating rate is high, and energy is saved; the heating sleeve can be directly sleeved on the object to be wrapped and tightly attached after being wrapped once, so that the labor is saved; the heating jacket can be perfectly attached to the curved surface, and stretching deformation or overlapped wrinkles which affect the smoothness and the temperature uniformity cannot occur.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. The heating jacket is characterized by comprising a plurality of jacket bodies and external wiring harnesses, wherein each jacket body comprises a first bonding layer (2), a plurality of conductive heating sheets (3) arranged on the first bonding layer (2), and a strip-shaped positive electrode and negative electrode (1), each heating sheet (3) is narrow in the middle and wide in two ends, the positive electrode is connected with one end of each heating sheet (3), the negative electrode is connected with the other end of each heating sheet (3), when the heating jacket is in a coating state, the jacket bodies enclose into a circle, the positive electrodes of the jacket bodies are connected end to form a first connecting end, the negative electrodes of the jacket bodies are connected end to form a second connecting end, and the first connecting end and the second connecting end are both used for being electrically connected with the external wiring harnesses, the external wiring harness is used for being electrically connected with an external power supply; the first adhesive layer (2) has elasticity.
2. A heating jacket according to claim 1, characterised in that the positive and negative electrodes (1) are undulated.
3. The heating jacket according to claim 2, wherein the positive electrode and the negative electrode (1) have a wavelength of 1 to 10mm and an amplitude of 1 to 5 mm.
4. A heating jacket according to claim 1, characterized in that the jacket body further comprises a second adhesive layer (6) arranged on a side of the heat generating sheet (3) facing away from the first adhesive layer (2).
5. A heating jacket according to claim 4, characterised in that the first (2) and second (6) adhesive layers are hot melt adhesive films, pressure sensitive adhesive films or coatings.
6. A heating jacket according to claim 1, further comprising a temperature sensor for acquiring the temperature of the heating jacket, the temperature sensor being provided on the heat generating sheet (3).
7. A heating jacket according to claim 1, further comprising a protective layer (4) disposed on a side of the first adhesive layer (2) remote from the heat generating sheet (3).
8. The heating jacket according to claim 1, wherein the conductive material in the heat generating sheet (3) comprises conductive carbon black, fullerene, carbon nanotube, graphene, and the positive electrode and the negative electrode (1) are made of conductive metal wire, conductive metal foil, conductive metal sheet, or carbon fiber.
9. A heating jacket according to claim 1, wherein the ratio of the maximum value to the minimum value of the length of the heat generating sheet (3) is in the range of 1.05-2.00, and the length direction of the heat generating sheet (3) is in accordance with the extending direction of the jacket body.
10. A heating jacket according to claim 1, characterized in that the minimum value of the transverse spacing between two adjacent heat generating sheets (3) is in the range of 1-10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121193997.9U CN214776141U (en) | 2021-05-31 | 2021-05-31 | Heating jacket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121193997.9U CN214776141U (en) | 2021-05-31 | 2021-05-31 | Heating jacket |
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| Publication Number | Publication Date |
|---|---|
| CN214776141U true CN214776141U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121193997.9U Active CN214776141U (en) | 2021-05-31 | 2021-05-31 | Heating jacket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214776141U (en) |
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2021
- 2021-05-31 CN CN202121193997.9U patent/CN214776141U/en active Active
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