阅读说明：本技术 一种加热装置及方向盘 (heating device and steering wheel ) 是由 张海涛 李春梅 范丽花 李汝强 于 2019-09-19 设计创作，主要内容包括：本申请公开了一种加热装置及方向盘,其中加热装置包括基材层,还包括：经黏胶平敷固定在基材层上的加热线；加热线设置有多个弯折部；弯折部的外形为加热线经挤压弯折后形成；基材层未设置有加热线的一侧固定设置有离手检测装置；加热装置用于布置在方向盘的轮缘与蒙皮之间。加热线设置有多个弯折部；弯折部的外形为加热线经挤压弯折后形成。本申请通过将加热线采用胶粘的方式固定在基材层上,相对于缝制的方式,加工工艺更简单、良品率更高；本申请的技术方案同时设有加热线和离手检测装置,使得加热装置和方向盘同时具备加热及离手检测功能,能够降低方向盘生产制造的加工人力成本,同时提高方向盘的生产制造效率。(The application discloses heating device and steering wheel, wherein heating device includes the substrate layer, still includes: a heating wire which is flatly coated and fixed on the substrate layer through viscose; the heating wire is provided with a plurality of bending parts; the shape of the bending part is formed by extruding and bending the heating wire; a free-hand detection device is fixedly arranged on one side of the substrate layer, which is not provided with the heating wire; the heating device is arranged between a rim of the steering wheel and the skin. The heating wire is provided with a plurality of bending parts; the shape of the bending part is formed by extruding and bending the heating wire. According to the sewing machine, the heating wire is fixed on the base material layer in an adhesive mode, and compared with a sewing mode, the sewing machine is simpler in processing technology and higher in yield; the technical scheme of this application is equipped with the heater wire simultaneously and leaves hand detection device for heating device and steering wheel possess the heating simultaneously and leave the hand and detect the function, can reduce the processing human cost that steering wheel production was made, improve the production manufacturing efficiency of steering wheel simultaneously.)

1. A heating device, comprising: the substrate layer, its characterized in that still includes: the heating wire is flatly coated and fixed on the substrate layer through the viscose; the heating wire is provided with a plurality of bending parts; the shape of the bending part is formed by extruding and bending the heating wire; a hand-off detection device is fixedly arranged on one side of the substrate layer, which is not provided with the heating wire; the heating device is arranged between a rim and a skin of a steering wheel.

2. The heating device of claim 1, wherein the substrate layer is further adhered with a flexible layer on a side away from the hand detection device.

3. the heating device of claim 2, wherein the flexible layer is at least one of a non-woven fabric, a gauze, leather, a foam pad, a plastic film, a high-elastic sponge, EPDM, and PVC.

4. A heating device as claimed in any of claims 1 to 3, wherein the hands-off detection means comprises a spacer layer and a sensing layer; the spacing layer is arranged adjacent to the base material layer; the induction layer is provided with at least one induction area.

5. the heating device of claim 4, wherein the off-hand detection device further comprises a shielding layer disposed on a side of the spacing layer away from the sensing layer.

6. The heating device according to claim 5, wherein the induction layer is provided with two induction zones, wherein the first induction zone and the second induction zone are respectively provided on the left and right sides of the steering wheel; or the like, or, alternatively,

the induction layer is provided with three induction areas, wherein the first induction area and the second induction area are used for being arranged on the front side of the steering wheel, and the third induction area is used for being arranged on the back side of the steering wheel.

7. A steering wheel characterized in that the rim of the steering wheel is coated with a heating device according to any one of claims 1 to 6; the heating device is provided with a structural layer of a heating wire which is positioned between the off-hand detection device and the wheel rim.

8. The steering wheel of claim 7, wherein an outer surface of the heating device is coated with a coating.

9. The steering wheel of claim 8, wherein the cover is a skin.

10. The steering wheel of claim 8, wherein a foam structure is disposed between the heating device and the covering layer.

Technical Field

The application relates to the technical field of automobile parts, in particular to a heating device and a steering wheel.

Background

Under the condition of relatively low ambient temperature, when the running direction of the control equipment is controlled, the cold steering wheel can cause the hand feeling to be very uncomfortable, and in a serious condition, the reaction is not timely caused by the stiffness of the hand, so that an unnecessary disaster is caused. Therefore, in order to improve the comfort of human body, reduce the occurrence of disasters and meet the current market demands, the heating device assembled on the steering wheel for controlling the running direction of equipment has more and more extensive market demands.

At present, a heating device on the steering wheel generally adopts a sewing process to fix a heating wire on a base material, the mode is low in efficiency, and the heating device cannot be repaired after the problems such as wire binding and the like are generated in the sewing process, so that the rejection rate is high.

in addition, the steering wheel hands-off detection device (HOD) in the prior art usually adopts split type connection with the steering wheel heating device, so that the time consumption is high during the assembly of the steering wheel, the processing labor cost for the production and the manufacture of the steering wheel is further increased invisibly, and the requirement on the assembly skill of an operator is relatively high.

Disclosure of Invention

In view of the above-mentioned drawbacks and deficiencies of the prior art, it would be desirable to provide a heating device and a steering wheel for overcoming at least one of the drawbacks and deficiencies.

In a first aspect, the present application provides a heating device comprising: a substrate layer, further comprising: the heating wire is flatly coated and fixed on the substrate layer through the viscose; the heating wire is provided with a plurality of bending parts; the shape of the bending part is formed by extruding and bending the heating wire; a hand-off detection device is fixedly arranged on one side of the substrate layer, which is not provided with the heating wire; the heating device is arranged between a rim and a skin of a steering wheel.

According to the technical scheme that this application embodiment provided, the substrate layer is equipped with still to paste away from one side of hand detection device and has the flexible layer.

According to the technical scheme that this application embodiment provided, flexible layer is at least one in non-woven fabrics, gauze, leather, foam pad, plastic film, high-elastic sponge, EPDM, PVC.

According to the technical scheme provided by the embodiment of the application, the off-hand detection device comprises a spacing layer and a sensing layer; the spacing layer is arranged adjacent to the base material layer; the induction layer is provided with at least one induction area.

According to the technical scheme provided by the embodiment of the application, the device for detecting the separation of the hands further comprises a shielding layer, wherein the shielding layer is arranged on one side, far away from the induction layer, of the spacing layer.

According to the technical scheme provided by the embodiment of the application, the induction layer is provided with two induction areas, wherein the first induction area and the second induction area are respectively arranged on the left side and the right side of the steering wheel; or the like, or, alternatively,

The induction layer is provided with three induction areas, wherein the first induction area and the second induction area are used for being arranged on the front side of the steering wheel, and the third induction area is used for being arranged on the back side of the steering wheel.

In a second aspect, the present application also provides a steering wheel, wherein a rim of the steering wheel is coated with the heating device of any one of the above items; the heating device is provided with a structural layer of a heating wire which is positioned between the off-hand detection device and the wheel rim.

according to the technical scheme provided by the embodiment of the application, the outer surface of the heating device is wrapped with the coating layer.

according to the technical scheme provided by the embodiment of the application, the coating layer is a skin.

according to the technical scheme provided by the embodiment of the application, a foaming structure is further arranged between the heating device and the coating layer.

According to the sewing machine, the heating wire is fixed on the base material layer in an adhesive mode, and compared with a sewing mode, the sewing machine is simpler in processing technology and higher in yield; according to the technical scheme provided by the embodiment of the application, the heating wire is provided with a plurality of bending parts, for example, when the heating wire is a heating resistance wire, the resistance wire design of the bending parts improves the resistance laying length per unit area, namely, the resistance laying length on the substrate layer is lengthened, so that the heating effect of the heating device is better; furthermore, the bent part can be obtained by extruding through a mechanical device, so that the heating device can be further improved in the aspect of processing efficiency compared with a processing mode of sewing the heating pad by winding in the prior art, and the pattern extruded by the mechanical device is more uniform than the pattern formed by sewing, so that the heat generated after heating is more uniformly dissipated; in addition, the heating device and the steering wheel provided by the application have better stretchability than a sewing product due to no fixed limit of sewing threads; in addition, after the heating device manufactured after the sewing process is removed and the steering wheel is coated, no tightening mark and visible grains are generated on the surface of the steering wheel, the attractiveness of a steering wheel product can be further improved, and the holding hand feeling of the steering wheel is improved.

The heating device and the steering wheel that this application further provided still further are provided with from hand detection device for heating device and steering wheel possess the heating simultaneously and leave the hand and detect the function, can reduce the processing human cost that steering wheel production was made, improve the production and manufacturing efficiency of steering wheel simultaneously.

In addition, the multi-region hand-separating detection function further provided by the application can be respectively used for identifying: a single hand holding tray, a double hand holding tray and a holding posture of the double hands on the steering wheel. The operation posture of the driver in the driving process can be better identified, the driver can be reminded of keeping the holding posture strived for all the time conveniently and timely, and further safety guarantee is provided for traffic safety.

In addition to the technical problems addressed by the present application, the technical features constituting the technical solutions, and the advantages brought by the technical features of the technical solutions described above, other technical problems that the heating device and the steering wheel provided by the present application can solve, other technical features included in the technical solutions, and advantages brought by the technical features will be further described in detail with reference to the accompanying drawings.

drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic structural diagram of a heating apparatus according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a heating device according to an embodiment of the present application (in which a shielding layer is disposed on the off-hand detection device);

FIG. 3 is a cross-sectional structural view of FIG. 2 (an embodiment of an adhesive is an adhesive layer);

FIG. 4 is a schematic cross-sectional view of FIG. 2 (the glue dot layer is an embodiment of the glue);

FIG. 5 is a schematic cross-sectional view of FIG. 2 (the adhesive is a wrap adhesive); FIG. 6 is a schematic structural diagram of a heating line according to a first embodiment of the second embodiment of the present application;

FIG. 7 is a schematic structural diagram of a heating line according to a second embodiment of the present application;

FIG. 8 is a schematic structural view of a heating wire according to a third embodiment of the second embodiment of the present application;

FIG. 9 is a schematic structural view of a heating wire according to a fourth embodiment of the second embodiment of the present application;

FIG. 10 is a schematic structural view of a heating apparatus according to a third embodiment of the present application;

FIG. 11 is a schematic structural view of a heating apparatus according to a fourth embodiment of the present application;

FIG. 12 is a schematic structural view of a heating apparatus according to a fifth embodiment of the present application;

FIG. 13 is a schematic structural view of a heating apparatus according to a sixth embodiment of the present application;

Fig. 14 is a schematic structural view of a heating apparatus according to a seventh embodiment of the present application;

Fig. 15 is a schematic structural diagram of a steering wheel in an eighth embodiment of the present application;

Fig. 16 is a front or back structural sectional view of a steering wheel provided with a sensing area, which is manufactured by foaming once in the eighth embodiment of the present application;

Fig. 17 is a front or back structural sectional view of a steering wheel provided with two sensing areas for a steering wheel manufactured by one-time foaming in an eighth embodiment of the present application, and is also a front structural sectional view of a steering wheel provided with three sensing areas for a steering wheel manufactured by one-time foaming;

Fig. 18 is a structural cross-sectional view of the back side of a steering wheel provided with three sensing areas, wherein the steering wheel is manufactured by one-time foaming in the eighth embodiment of the present application;

FIG. 19 is a sectional view of a front or back structure of a steering wheel with a sensing area in the steering wheel manufactured by secondary foaming according to the ninth embodiment of the present application;

Fig. 20 is a structural sectional view of the front or back side of a steering wheel with two sensing zones for a steering wheel manufactured by secondary foaming, and a structural sectional view of the front side of a steering wheel with three sensing zones for a steering wheel manufactured by secondary foaming according to the ninth embodiment of the present application;

fig. 21 is a sectional view of a back structure of a steering wheel with three sensing areas in the steering wheel manufactured by secondary foaming in the ninth embodiment of the present application;

Reference numbers in the figures: 100. a heating device; 110 base material layer; 111. a glue film; 120 a heating wire; 130 a flexible layer; 140. gluing; 141. an adhesive layer; 142. a glue dot layer; 143. a wrapping adhesive layer 150 as a shielding layer; 160 a spacer layer; 170 a sensing layer; 180. a bonding portion; 171. a first sensing region; 172. a second sensing region; 173 a third sensing area; 200. a steering wheel; 210. a rim; 220. A spoke; 230. a coating layer; 240. and (4) a foaming structure.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.