阅读说明：本技术 一种用于汽车方向盘加热垫及其加工工艺 (Heating pad for automobile steering wheel and processing technology thereof ) 是由 卢基荣 于 2019-10-16 设计创作，主要内容包括：本发明公开了一种用于汽车方向盘加热垫及其加工工艺,属于方向盘加热垫领域,一种用于汽车方向盘加热垫及其加工工艺,通过刺绣工艺将电热线绣至纺织布主体的表面,并为电热线提供相应的供能单元,使纺织加热片整体成为加热垫的供热单元,之后再在纺织加热片的外壁上通过加设外保护套,并利用外保护套内的固体硅胶块和液态硅胶实现纺织加热片热量散发均匀化,使加热垫主体外侧整体的温度相差不大,不易因加热垫主体外侧部分加热不均匀而对驾驶员产生重大影响,最后,通过向外保护套内添加多个格栅板,可以有效的增减外保护套本体的强度,使驾驶人员在握持外保护套进行驾驶的过程中不易发生外保护套滑脱的现象,大幅增加外保护套的安全性能。(The invention discloses a heating pad for a steering wheel of an automobile and a processing technique thereof, belonging to the field of the heating pad for the steering wheel, wherein an electric heating wire is embroidered on the surface of a textile fabric main body by an embroidering technique and provides a corresponding energy supply unit for the electric heating wire, so that the textile heating sheet is integrally formed into a heat supply unit of the heating pad, an outer protective sleeve is additionally arranged on the outer wall of the textile heating sheet, solid silica gel blocks and liquid silica gel in the outer protective sleeve are utilized to realize uniform heat dissipation of the textile heating sheet, the temperature difference of the whole outer side of the heating pad main body is small, the phenomenon of outer protective sleeve slippage is not easy to occur in the driving process of holding the outer protective sleeve, finally, a plurality of grid plates are added in the outer protective sleeve, the strength of the outer protective sleeve body can be effectively increased and decreased, and the phenomenon of the outer protective sleeve is not easy to occur in the driving process of a driver holding the outer protective sleeve, the safety performance of the outer protective sleeve is greatly improved.)

1. The utility model provides a be used for car steering wheel heating pad, steering wheel main part (1) and heating pad main part (2), and heating pad main part (2) parcel is in the outside of steering wheel main part (1), its characterized in that: the heating pad main body (2) comprises a textile heating sheet (3) and an outer protective sleeve (4), and the outer protective sleeve (4) is sleeved outside the textile heating sheet (3), a special-shaped spring piece (5) is fixedly connected between the textile heating sheet (3) and the outer protective sleeve (4), when the heating pad main body (2) is sleeved on the outer side of the steering wheel main body (1), the special-shaped spring piece (5) is in a working state, namely, the special-shaped spring piece (5) has the tendency of contraction, the textile heating piece (3) comprises a textile cloth main body (301), a plurality of groups of electric heating wires (302) are inserted on the surface of the textile cloth main body (301), the electric heating wire (302) is positioned on one surface of the textile cloth main body (301) close to the special-shaped spring piece (5), a cavity (6) is formed in the outer protective sleeve (4) in a chiseling mode, and a plurality of solid silica gel blocks (7) are filled in the cavity (6).

2. The processing technology for the heating mat of the steering wheel of the automobile as claimed in claim 1, wherein: the main process comprises the following steps:

s1, preparing, namely curling the raw material electric heating wire (302) onto a small spool, and then assembling and fixing the small spool onto a corresponding embroidery machine;

s2, embroidering, namely embroidering the electric heating wire (302) on the surface of the electric heating wire (302) according to the preset pattern and the preset hot wire direction to obtain a semi-finished product, wherein the pattern is input into a control terminal of the embroidery machine according to the hot wire direction preselection of a technician;

s3, checking, namely checking the embroidered semi-finished products, gathering the semi-finished products with poor embroidery, performing waste treatment, and continuously processing the qualified semi-finished products;

s4, gluing, namely punching positioning points on the semi-finished product by using an electric iron, gluing on a corresponding die after punching is finished, and pasting a double-sided adhesive tape on an embroidery surface of the electric heating wire (302);

s5, stamping, namely stamping the semi-finished product pasted with the double-sided adhesive tape in a pre-actual stamping die to form the textile heating sheet (3) into a specified shape;

s6, welding the NTC to the flat cable, and welding the welded flat cable to the punched semi-finished product, so that the flat cable is connected with an electric heating wire (302) on the textile cloth main body (301) to form a loop, and a finished product of the textile heating sheet (3) is obtained;

and S7, quality inspection, namely, sending the final finished product to QC, and packaging and warehousing after inspection.

3. The processing technology for the heating pad of the steering wheel of the automobile as claimed in claim 2, wherein the processing technology comprises the following steps: in the preparation of S1, the process of winding the heating wire (302) needs to be kept compact.

4. The processing technology for the heating mat of the steering wheel of the automobile as claimed in claim 2, wherein: in the S3 check, the semi-finished product with poor embroidery is detached by a special worker after the electric heating wire (302).

5. The processing technology for the heating mat of the steering wheel of the automobile as claimed in claim 2, wherein: in the welding of S6, after the welding is completed, the worker needs to wind the exposed portion of the flat cable with the insulating tape.

6. A heating mat for the steering wheel of a motor vehicle according to claim 1, wherein: the surface of the textile cloth main body (301) is modified with a nanometer carbon fiber layer.

7. A heating mat for the steering wheel of a motor vehicle according to claim 1, wherein: a plurality of groups of grid plates (8) are inserted in the outer protective sleeve (4), and the grid plates (8) are fixedly connected with the inner wall of the outer protective sleeve (4).

8. A heating mat for the steering wheel of a motor vehicle according to claim 7, wherein: a plurality of through holes (9) are uniformly drilled on the grating plate (8).

9. A heating mat for the steering wheel of a motor vehicle according to claim 7, wherein: the grille plate (8) is made of elastic materials, and when the grille plate (8) is sleeved outside the steering wheel main body (1) along with the outer protective sleeve (4), the grille plate (8) tends to shrink.

10. A heating mat for the steering wheel of a motor vehicle according to claim 1, wherein: liquid silica gel is filled in the gaps of the solid silica gel blocks (7).

Technical Field

The invention relates to the field of steering wheel heating pads, in particular to an automobile steering wheel heating pad and a processing technology thereof.

Background

In winter, the outdoor temperature is reduced, a long time is needed for the automobile to be started to be heated to take effect, in the time, the hands of a driver become stiff due to low-temperature weather, the reaction is slow, and driving accidents are easily induced in the driving process, so that the self-heating function of the automobile steering wheel gradually becomes a trend, and the electric heating steering wheel is developed no matter a high-end automobile or a low-end automobile. This function can let the steering wheel become warm in the short time in chilly season, no longer feels cold and uncomfortable when letting the driver hold the steering wheel, increases the travelling comfort of driving, reduces the driving accident because of the low temperature causes.

In consideration of safety and convenience, most of the existing vehicle-mounted steering wheel heating pads adopt an electric heating method with a small volume, and the principle of the electric heating method is similar to that of traditional electric heating blankets and other electric heat preservation equipment, wherein the steering wheel heating pad adopts the principle that a resistance wire embroidered in the heating pad generates heat. Usually, a layer of steering wheel heating pad is wrapped in a sheath wrapped by a steering wheel, a power line supplies power to a resistance wire on the heating pad through a part connected with a rotating shaft below the steering wheel, and most of vehicle types with steering wheel heating mainly focus on 3-point and 9-point directions of the steering wheel, namely heating in a hand-held area.

However, such a heating device has obvious disadvantages that the heating is not uniform, and a fire accident is easily caused by the non-uniform heating, compared with the conventional electric heating device, the non-uniform heating is not only easy to induce the fire accident, but also the extremely hot or cold parts of the heating device can easily affect the hand feeling of the driver, and thus the safety accident is easily caused.

Disclosure of Invention

1. Technical problem to be solved

The heating pad for the steering wheel of the automobile and the processing technology thereof can realize uniform heating of the heating pad, so that the temperature difference of the whole heating pad is small, the heating pad is not easy to cause great influence on driving of a driver due to the fact that the driver touches an extremely hot or cold area, safety accidents are not easy to cause, meanwhile, heat collection display of the heating pad due to nonuniform heating is greatly reduced, accidental fire of the heating pad is not easy to cause, safety accidents are not easy to cause in the driving process, and unnecessary economic and healthy property loss is not easy to cause.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A heating pad for a steering wheel of an automobile is provided, wherein a steering wheel main body and a heating pad main body are buckled violently, the heating pad main body is wrapped on the outer side of the steering wheel main body and comprises a textile heating sheet and an outer protective sleeve, the outer protective sleeve is sleeved on the outer side of the textile heating sheet, a special-shaped spring leaf is fixedly connected between the textile heating sheet and the outer protective sleeve, when the heating pad main body is sleeved on the outer side of the steering wheel main body, the special-shaped spring leaf is in a working state, namely the special-shaped spring leaf has a contraction trend, the textile heating sheet comprises a textile cloth main body, the surface of the textile cloth main body is deteriorated with a nano carbon fiber layer, so that the surface of the textile cloth main body is not easy to be invaded by dust and other magazines, the electric heating wires are not easy to be short-circuited due to foreign matters, a plurality of groups of electric heating wires are inserted, the cavity intussuseption is filled with a plurality of solid silica gel pieces, can realize making the heating pad can the even heating, it is less to make the holistic difference in temperature of heating pad, be difficult for causing because of the driver touches extremely hot or extremely cold region and causes great influence to driver's driving, be difficult for inducing the incident, reduce the heating pad simultaneously by a wide margin and show because of the uneven heat collection that produces of heating, be difficult for causing the heating pad accidental fire, be difficult for causing the incident at the driving in-process, be difficult for causing unnecessary economy and healthy loss of property.

Further, a manufacturing process for a heating pad of an automobile steering wheel comprises the following main processes:

s1, preparing, namely curling the raw material electric heating wire onto a small spool, and then assembling and fixing the small spool on a corresponding embroidery machine;

s2, embroidering, namely embroidering the electric heating wire on the surface of the electric heating wire according to the preset pattern and the preset hot wire direction to obtain a semi-finished product, wherein the pattern is input into a control terminal of the embroidery machine according to the hot wire direction preselection of a technician;

s3, checking, namely checking the embroidered semi-finished products, gathering the semi-finished products with poor embroidery, performing waste treatment, and continuously processing the qualified semi-finished products;

s4, gluing, namely punching positioning points on the semi-finished product by using an electric iron, gluing on a corresponding die after punching is finished, and pasting a double-sided adhesive tape on an embroidery face of the electric heating wire;

s5, stamping, namely, stamping the semi-finished product pasted with the double-sided adhesive tape in a pre-actual stamping die to form the textile heating sheet 3 into a specified shape;

s6, welding the NTC to the flat cable, and welding the welded flat cable to the punched semi-finished product, so that the flat cable is connected with an electric heating wire on the textile cloth main body to form a loop, and a finished product of the textile heating sheet 3 is obtained;

s7, quality inspection, namely, sending the final finished product to QC, packaging and warehousing after inspection

Further, in the preparation of S1, the winding process of the electric heating wire needs to be kept compact, so that excessive scattered parts are not easily generated when the electric heating wire is peeled off from the small spool, the electric heating wire is not easily knotted, and the production efficiency of the subsequent embroidery work is not easily affected.

Furthermore, in the S3 check, after the semi-finished product with poor embroidery is detached from the electric heating thread by special workers, the recovered textile cloth main body is subjected to embroidery again, so that the cost consumption is reduced.

Furthermore, in the welding of S6, after the welding is completed, the worker needs to wind the exposed portion of the flat cable with the insulating tape, so as to reduce the occurrence of leakage accidents.

Furthermore, the surface of the textile cloth main body is modified with the carbon nanofiber layer, so that the surface of the textile cloth main body is not easy to be invaded by dust and other impurities, and the short circuit of the electric heating wire is not easy to be caused by foreign matters.

Furthermore, the outer protective sleeve is internally inserted with a plurality of groups of grid plates, the grid plates are fixedly connected with the inner wall of the outer protective sleeve, and the grid plates can effectively increase the strength of the outer protective sleeve, so that a driver can hold the steering wheel main body and the heating pad main body, the unstable steering wheel main body is not easy to be held due to solid silica gel blocks and liquid silica gel filled in the textile heating pieces, and safety accidents are not easy to cause.

Furthermore, evenly cut a plurality of through-holes on the grid board, the through-hole makes solid silica gel piece and the liquid silica gel of outer protective sheath intussuseption be difficult for taking place to keep apart because of the grid board, and difficult production heat is concentrated, is difficult for influencing the normal use of weaving heating plate.

Further, the grid board chooses for use elastic material to make, and the grid board has the trend of shrink when the outer protective sheath cup joints in the outside of steering wheel main part along with, makes difficult emergence between steering wheel main part and the heating pad main part skid, and difficult influence driver normally drives.

Further, liquid silica gel is filled between the solid silica gel piece clearance, and liquid silica gel can also provide the lubrication for the solid silica gel piece when not influencing the normal work of solid silica gel piece, makes the solid silica gel piece be difficult for taking place cracked because of wearing and tearing each other, increases the life of outer protective sheath.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

the invention embroiders the electric heating wire on the surface of the textile fabric main body by an embroidering process, is fast and accurate, provides a corresponding energy supply unit for the electric heating wire, enables the textile heating sheet to be a heat supply unit of the heating pad integrally, then adds an outer protective sleeve on the outer wall of the textile heating sheet, and utilizes the solid silica gel block and the liquid silica gel in the outer protective sleeve to realize the heat dissipation homogenization of the textile heating sheet, so that the temperature difference of the whole outer side of the heating pad main body is not large, the great influence on a driver caused by the uneven heating of the outer side part of the heating pad main body is not easy to generate, meanwhile, the high heat dissipation performance of the solid silica gel block and the liquid silica gel can lead the temperature generated by the electric heating wire to be not easy to gather, and the fire disaster generated by the heat gathering is not easy to be induced, in particular, the solid silica gel block of the outer protective sleeve can lead the whole outer protective sleeve to be more, and liquid silica gel then when not influencing the normal work of solid silica gel piece, can also provide the lubrication action for solid silica gel piece, make solid silica gel piece be difficult for taking place cracked because of wearing and tearing each other, increase the life of outer protective sheath, at last, through adding a plurality of grid boards in to the outer protective sheath, intensity that can effectual increase and decrease outer protective sheath body, make the navigating mate grip the phenomenon that the in-process of outer protective sheath driving is difficult for taking place the outer protective sheath slippage, increase the security performance of outer protective sheath by a wide margin.

Drawings

FIG. 1 is a schematic view of a steering wheel with a heating mat according to the present invention;

FIG. 2 is a cross-sectional view at the steering wheel of the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic view of the structure of the anisotropic spring sheet of the present invention;

FIG. 5 is a top cross-sectional view of a heating mat of the present invention;

FIG. 6 is a schematic view of the structure at B in FIG. 5;

FIG. 7 is a schematic view of the structure of the ring-lacking spring plate of the present invention;

FIG. 8 is a partial cross-sectional view of a textile heat patch of the present invention;

FIG. 9 is a side view of a textile heat patch of the present invention;

fig. 10 is a main flowchart of a process for manufacturing a steering wheel heating mat according to the present invention.

The reference numbers in the figures illustrate:

the heating pad comprises a steering wheel main body 1, a heating pad main body 2, a textile heating sheet 3, a textile cloth main body 301, an electric heating wire 302, an outer protective sleeve 4, a special-shaped spring piece 5, a cavity 6, a solid silica gel block 7, a grating plate 8 and a through hole 9.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.