CN112009560A

CN112009560A - Novel electric heating steering wheel

Info

Publication number: CN112009560A
Application number: CN202010938021.3A
Authority: CN
Inventors: 王涛; 周天平; 谭鹏; 温正文
Original assignee: HUBEI SHUANGOU AUTOMOTIVE TRIM CO Ltd
Current assignee: HUBEI SHUANGOU AUTOMOTIVE TRIM CO Ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2020-12-01

Abstract

The invention discloses a novel electric heating steering wheel, relates to the technical field of automobile parts, and solves the problem that a foaming layer is arranged between a heating pad and a palm at an interval, and the foaming layer has a certain thickness and can obstruct heat transfer to cause low heat effect in the conventional electric heating steering wheel. A novel electric heating steering wheel comprises a metal framework, a steering wheel body, a heating pad assembly, environment-friendly leather, a heating control module, an electric heating switch assembly, a decoration strip assembly and a horn cover assembly, wherein the steering wheel body is of a four-width structure and is made of polyurethane through vacuum foaming; the steering wheel is characterized in that a mounting box is formed in the center of four spokes of the steering wheel body, and a horn cover assembly is covered on an opening in the top end of the mounting box in a buckling manner. The invention limits the highest temperature to rapidly rise through the heating control module, heats at a constant temperature in a whole range, and has the advantages of safety, reliability, high heat conversion efficiency, short heating time and comfortable hand feeling.

Description

Novel electric heating steering wheel

Technical Field

The invention relates to the technical field of automobile parts, in particular to a novel electric heating steering wheel.

Background

At present, with the continuous development of the automobile industry, automobiles gradually develop towards the direction of safety and comfort, an automobile steering wheel is also a key part for ensuring the normal and safe running of the automobiles, and consumers continuously pursue the convenience of the steering wheel and have certain requirements on the comfort of the steering wheel. In cold seasons, it is very uncomfortable when a warm hand holds a cold steering wheel because the air temperature is low. In addition, the hand muscles are stiff and inflexible under the action of low temperature, which can cause very adverse effects on the driving safety. The automobile driver can comfortably drive the automobile, so that the cold steering wheel can not be held by both hands, and the steering wheel can be required to be rapidly heated and controlled after the automobile is started, so that the comfort of the steering wheel is improved to meet the expectation of customers.

For example, patent No. ZL201820885577.9 discloses a steering wheel with a self-temperature-control heating system, which solves the problem that the prior art is uncomfortable when people hold the steering wheel with cold hands due to low temperature, and has the technical points that: the self-temperature-control physical property of the Polymer (PTC) electric heating belt is utilized. It includes metal skeleton and polymer electric heating tape, polymer electric heating tape comprises heating PTC sheet and extrusion plastics protective layer part to PTC macromolecular material is as heating element, and polymer electric heating tape comprises non-woven fabrics wearing layer, pencil, PER insulating layer, metal foil layer, PTC carbon thick liquid layer, rivet, two-sided adhesive layer. The high-molecular electric heating belt is fixed on the outer wall of the metal framework, is foamed through a foaming process, can realize heating of the steering wheel body after being connected through the assembled wiring harness, and can be heated to 25-35 ℃ when a driver drives in cold winter within about 3-5 minutes.

The existing electric heating steering wheel has the problems that the heating pad is mostly installed in the steering wheel body, the foaming layer is arranged between the heating pad and the palm at intervals, the foaming layer has the considerable thickness and can obstruct the heat transfer, the heat effect is low, the heating time is long, and the use performance is poor.

Disclosure of Invention

The invention aims to provide a novel electric heating steering wheel, which aims to solve the problem that a foaming layer is arranged between a heating pad and a palm at intervals, and the foaming layer has a certain thickness and can obstruct heat transfer to cause low heat effect.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a novel electric heating steering wheel, includes metal framework, steering wheel body, heating pad assembly, environmental protection genuine leather, heating control module, electric heating switch assembly, ornamental strip assembly and horn cover assembly, steering wheel body wholly is four width of cloth structures, and the steering wheel body is made by polyurethane vacuum foaming.

The heating pad assembly and the environment-friendly leather are integrally bonded and fixed by glue, and the outermost layer of the outer ring of the steering wheel body is coated with a layer of environment-friendly leather; a circle of metal framework is arranged inside the outer ring of the steering wheel body; the center of four spokes of the steering wheel body is provided with a mounting box in a molding way, and a horn cover assembly is covered on an opening at the top end of the mounting box in a buckling way; an electric heating switch assembly is embedded and installed on the left spoke of the steering wheel body.

Preferably, the assembly formed by bonding the environment-friendly genuine leather and the heating pad assembly is coated on the steering wheel body, and the environment-friendly genuine leather is arranged on the outermost layer of the steering wheel; the heating pad assembly is externally coated with a non-woven fabric wear-resistant layer, and is internally formed by combining a conducting wire and a heating wire.

Preferably, the electric heating switch assembly is electrically connected with the heating control module in a control manner, and the heat control module is arranged in a mounting box at the center of the steering wheel body.

Preferably, the cross section of the metal framework is a U-shaped structure, and the metal framework is arranged in a steering wheel body formed by foaming polyurethane in a mold cavity.

Preferably, the horn cover assembly is of an irregular hexagonal structure, and a circle of decoration strip assembly is embedded in the periphery of the horn cover assembly.

Compared with the prior art, the invention has the beneficial effects that:

1. the non-woven fabric coated outside the heating pad assembly can effectively improve the wear resistance, slow down the wear of the heating pad assembly and prolong the service life of the heating pad assembly, the heating pad assembly is directly adhered with the environment-friendly genuine leather into a whole and is coated on the steering wheel body, and only a thin layer of environment-friendly genuine leather is arranged between the heating pad assembly and a palm, so that the heat conduction interval is greatly reduced, the heating time is shortened from 3-5 minutes in the prior art to only 1-2 minutes in the prior art, the high-efficiency heating, the energy conservation and the environmental protection can be achieved, and the use performance is comfortable in hand feeling;

2. the invention limits the highest temperature to rapidly rise through the heating control module, heats at a constant temperature in a whole range, is safe and reliable, has high heat conversion efficiency, short heating time, comfortable hand feeling and excellent performance, and has excellent long-term stability;

3. after the heating pad assembly and the environment-friendly leather are bonded into a whole, the heating pad assembly and the steering wheel body are coated, so that two times of coating are avoided, and time and labor are saved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic view of the layout position of the metal framework of the present invention;

in the figure: 1. a metal skeleton; 2. a steering wheel body; 3. a heating pad assembly; 4. environment-friendly leather; 5. a heating control module; 6. an electrical heating switch assembly; 7. a trim strip assembly; 8. a horn cover assembly.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 3, an embodiment of the present invention includes: a novel electric heating steering wheel comprises a metal framework 1, a steering wheel body 2, a heating pad assembly 3, an environment-friendly leather 4, a heating control module 5, an electric heating switch assembly 6, a decoration strip assembly 7 and a horn cover assembly 8, wherein the steering wheel body 2 is integrally of a four-width structure, the steering wheel body 2 is made of polyurethane through vacuum foaming, the heating pad assembly 3 and the environment-friendly leather 4 are fixedly integrated through adhesive bonding, and the outermost layer of an outer ring of the steering wheel body 2 is coated with the environment-friendly leather 4; a circle of metal framework 1 is arranged inside an outer ring of the steering wheel body 2; a mounting box is formed in the center of the four spokes of the steering wheel body 2, and a horn cover assembly 8 is covered on an opening at the top end of the mounting box in a buckling manner; an electric heating switch assembly 6 is embedded and installed in the left spoke of the steering wheel body 2; the horn cover assembly 8 is of an irregular hexagonal structure, and a circle of decoration strip assembly 7 is embedded in the periphery of the horn cover assembly 8; the section of the metal framework 1 is of a U-shaped structure, and the metal framework is arranged in a steering wheel body 2 formed by a die cavity through polyurethane foaming.

Further, an assembly formed by bonding the environment-friendly genuine leather 4 and the heating pad assembly 3 is coated on the steering wheel body 2, and the environment-friendly genuine leather 4 is arranged on the outermost layer of the steering wheel; heating pad assembly 3 covers the non-woven fabrics wearing layer outward, interior by the wire, the heating wire combination forms, the non-woven fabrics that heating pad assembly 3 covers can effectively promote wear resistance, slow down the wearing and tearing of heating pad assembly 3, prolong its life, and environmental protection genuine leather 4 and driver palm direct contact, and then heating pad assembly 3 and between the palm only interval one deck thinner environmental protection genuine leather 4, this very big reduction heat-conduction interval, the heating rise time has been reduceed, by original heating time 3 ~ 5 minutes, it only needs 1 ~ 2 minutes to reduce present heating time, in addition heating pad assembly 3 and environmental protection genuine leather 4 bond after an organic whole, wrap with steering wheel body 2 again, twice cladding has been avoided like this, time saving and labor saving.

Further, the electric heating switch assembly 6 is electrically connected with the heating control module 5 in a control manner, the heat control module 5 is arranged in a mounting box at the center of the steering wheel body 2, and the maximum temperature is limited by the heating control module 5, so that the purpose of automatically controlling the temperature is achieved.

The working principle is as follows: when the electric heating steering wheel is used, the electric heating switch assembly 6 on the spoke on the left side of the steering wheel body 2 needs to be opened firstly, a constant power supply led out of a vehicle body is conducted with the heating pad assembly 3, and then the highest temperature is limited through the heating control module 5, so that the purpose of automatically controlling the temperature is achieved.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a novel electrical heating steering wheel which characterized in that: the steering wheel comprises a metal framework (1), a steering wheel body (2), a heating pad assembly (3), environment-friendly leather (4), a heating control module (5), an electric heating switch assembly (6), a decoration strip assembly (7) and a horn cover assembly (8), wherein the steering wheel body (2) is integrally of a four-width structure, the steering wheel body (2) is made of polyurethane through vacuum foaming, the heating pad assembly (3) and the environment-friendly leather (4) are integrally bonded and fixed through glue, and the outermost layer of an outer ring of the steering wheel body (2) is coated with one layer of environment-friendly leather (4); a circle of metal framework (1) is arranged inside an outer ring of the steering wheel body (2); a mounting box is formed in the center of four spokes of the steering wheel body (2), and a horn cover assembly (8) is covered on an opening at the top end of the mounting box in a buckling manner; an electric heating switch assembly (6) is embedded and installed on a left spoke of the steering wheel body (2).

2. The novel electrically heated steering wheel of claim 1, wherein: the assembly formed by bonding the environment-friendly leather (4) and the heating pad assembly (3) is coated on the steering wheel body (2), and the outermost layer of the steering wheel is the environment-friendly leather (4); the heating pad assembly (3) is externally covered with a non-woven fabric wear-resistant layer and internally formed by combining a conducting wire and a heating wire.

3. The novel electrically heated steering wheel of claim 1, wherein: the electric heating switch assembly (6) is electrically connected with the heating control module (5) in a control mode, and the heat control module (5) is arranged in an installation box in the center of the steering wheel body (2).

4. The novel electrically heated steering wheel of claim 1, wherein: the section of the metal framework (1) is of a U-shaped structure, and the metal framework is arranged in a steering wheel body (2) formed by a die cavity through polyurethane foaming.

5. The novel electrically heated steering wheel of claim 1, wherein: the horn cover assembly (8) is of an irregular hexagonal structure, and a circle of decoration strip assembly (7) is embedded in the periphery of the horn cover assembly (8).