CN113548106A - Heating steering wheel cover - Google Patents
Heating steering wheel cover Download PDFInfo
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- CN113548106A CN113548106A CN202010340216.8A CN202010340216A CN113548106A CN 113548106 A CN113548106 A CN 113548106A CN 202010340216 A CN202010340216 A CN 202010340216A CN 113548106 A CN113548106 A CN 113548106A
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/04—Hand wheels
- B62D1/06—Rims, e.g. with heating means; Rim covers
- B62D1/065—Steering wheels with heating and ventilating means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
- H05B3/36—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs heating conductor embedded in insulating material
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Steering Controls (AREA)
- Resistance Heating (AREA)
- Surface Heating Bodies (AREA)
Abstract
The invention discloses a heating steering wheel sleeve which comprises a circular sleeve body, wherein the cross section of the sleeve body is of a C-shaped structure with an inner side opening, and a sheath layer, a waterproof layer, a heating layer and a heat insulation layer are sequentially arranged on the C-shaped structure from outside to inside; the heating layer comprises a heating film and an electrode, the electrode is electrically connected with the heating film and guides the heating film to generate heat, and the heating film is made of carbon nano materials. The steering wheel cover wraps the original steering wheel, and has the size close to that of the original steering wheel and no foreign body sensation by utilizing the characteristics of lightness, thinness, softness and high electrothermal conversion efficiency (the electrothermal conversion efficiency is more than 99 percent); because the electric heat conversion efficiency is high, the energy consumption is low, the power supply of the hairspring power supply in the existing steering wheel can be used.
Description
Technical Field
The invention relates to the technical field of automobile accessories, in particular to a heating steering wheel sleeve.
Background
In cold winter, when the automobile is just started, the temperature of the engine water rises slowly, the temperature in the automobile cannot rise rapidly, and the cold steering wheel influences the driving comfort, so that the influence on short-distance driving is more obvious. In this period, the hands of the driver are basically cold, and in the northeast area with lower air temperature, the hands of the driver are all stiff, which is not favorable for driving safety.
Chinese patent CN202368631U discloses a heating steering wheel, which comprises a disc body, wherein the disc body is composed of a torus and a plurality of connecting sheets connected to the inner edge of the torus, a disc sleeve is sleeved on the outer edge of the torus, a temperature control device is arranged on the connecting sheets, the disc sleeve is a structure in which a heating element is arranged between an outer layer and an inner layer, the heating element is a resistance loop formed by uniformly distributing resistance wires on far infrared cloth in a sewing manner so as to have two electrodes, and the two electrodes are connected with the temperature control device and a power supply through wires to form an electric appliance loop.
Although the problem that the steering wheel temperature is low can be solved to above-mentioned patent, the steering wheel that generates heat is made complicatedly, and is with high costs, and life is short, and it is inconvenient to change. The heating steering wheel sleeve is simpler to use, has universality and is one fifth of the heating steering wheel in cost.
Chinese patent CN107284511A discloses a steering wheel cover with heating function, which is composed of a temperature sensor 1, a heating coil 2 and a power supply battery 3, wherein the temperature sensor 1 is arranged outside the steering wheel cover 4, when the temperature in the vehicle is sensed to be too low, the heating function can be automatically started, the heating coil 2 is installed in the steering wheel cover 1, the starter is connected with the temperature sensor 1, and the structure ensures that the steering wheel cover 4 is uniformly heated as a whole.
Chinese patent CN103847784A discloses a car steering wheel cover adjusts temperature, is the curved cover body including the cross section, and cover body wall includes epidermal layer, outer intermediate layer, intermediate level, bottom from the outside to inboard in proper order, the inside temperature sensor that imbeds rather than the temperature probe that is connected of outer intermediate layer and arrange the thermoelectric refrigeration piece at whole aspect, the inside resistance heater that imbeds in intermediate level, resistance heater and thermoelectric refrigeration piece have the terminal respectively, draw forth the cover body through inlaying at the outside USB interface of steering wheel cover and connecting wire harness, are connected to on the intelligent temperature controller.
Above-mentioned patent all uses traditional resistance wire heating, and traditional resistance wire warms up fast for a long time leads to the resistance wire to damage easily, and this steering wheel cover heaies up, the cooling is slower, and life is short, and has the problem how to give the heater strip power supply, if use rechargeable battery power supply, and the heating wire is power consumptive very fast, in order to guarantee the use of heating function, needs often to charge. If use external power supply, with power cord connection to vehicle USB power supply mouth or cigar lighter, external power cord will influence and turn to, has the potential safety hazard.
Disclosure of Invention
In order to solve the technical problems of slow temperature rise and temperature reduction, short service life and inconvenience in supplying power to a heating wire of the conventional heating steering wheel sleeve, the invention provides the heating steering wheel sleeve, wherein a heating layer is made of a carbon nano material film, and the steering wheel sleeve is wrapped on the original steering wheel by utilizing the characteristics of lightness, thinness, softness and high electric-heat conversion efficiency (the electric-heat conversion efficiency is more than 99 percent), has the size close to that of the original steering wheel and has no foreign body sensation; because the electric heat conversion efficiency is high, the energy consumption is low, the power supply of the hairspring power supply in the existing steering wheel can be used.
The technical scheme adopted by the invention is as follows:
a heating steering wheel sleeve comprises a circular sleeve body, wherein the cross section of the sleeve body is of a C-shaped structure with an inner side opening, and a sheath layer, a waterproof layer, a heating layer and a heat insulation layer are sequentially arranged on the C-shaped structure from outside to inside; the heating layer comprises a heating film and an electrode, the electrode is electrically connected with the heating film and guides the heating film to generate heat, the heating film is made of carbon nano materials, and the thickness of the heating film is 10-100 micrometers.
Further, the carbon nano material is carbon nano tube, graphene or a carbon nano tube-graphene composite material.
Furthermore, the carbon nano tube heating film is directly prepared by a floating catalytic chemical vapor deposition method or prepared by carbon nano tube powder.
Further, the graphene heating film is prepared from graphene powder or prepared by a chemical vapor deposition method.
Further, the carbon nanotube-graphene heating film is prepared by mixing graphene powder and carbon nanotube powder.
Further, connect temperature controller, temperature sensor and switch in the electrode, temperature controller, temperature sensor all locate on the layer that generates heat, switch locates the surface of restrictive coating.
Further, the electrode enters the interior of the steering wheel through a gap at the back of the steering wheel and is connected with a hairspring power supply in the interior of the steering wheel.
Further, the sheath layer is made of a porous cortical material.
Further, the waterproof layer is made of TPU waterproof cloth, PTFE waterproof cloth, PU waterproof cloth, PVC waterproof cloth or PA waterproof cloth.
Further, the heat insulation layer is made of a heat insulation rubber pad or heat insulation rubber cotton with the thickness of 0.5-5 mm.
The invention has the beneficial effects that: the carbon nano material film heating steering wheel cover has the characteristics of simple structure, convenience in use, safety, reliability, quick and uniform heating. The carbon nano material film used in the steering wheel is light, thin and soft, so that the steering wheel cover is comfortable in hand feeling and free from foreign body sensation when in use. Because the carbon nano material film has high electrothermal conversion efficiency, the heating requirement can be met by using a hairspring power supply for power supply. The inconvenience and the potential safety hazard caused by installing an external power supply box, connecting a USB power supply port by using a power line or supplying power to a cigarette lighter are avoided. The heat insulation layer at the innermost side cuts off the transmission of heat to the surface of the steering wheel, so that the heat insulation effect can be improved, and the heat damage to the surface of the steering wheel is avoided. The waterproof cloth close to the outer side can prevent sweat from entering the heating element to cause internal short circuit.
Drawings
Fig. 1 is a schematic view of an installation structure of a heating steering wheel cover provided by the present invention.
Fig. 2 is a schematic cross-sectional structure view of the heat-generating steering wheel cover provided by the present invention.
Fig. 3 is a schematic structural diagram of a heating circuit of the heating steering wheel cover provided by the invention.
Detailed Description
In order to better understand the present invention, the following examples are further provided to illustrate the present invention, but the present invention is not limited to the following examples.
Referring to fig. 1 to 3, the present invention provides a heating steering wheel cover, including a ring-shaped cover body 100, the cross section of the cover body is a C-shaped structure with an inner side opening, the C-shaped structure is provided with a sheath layer 10, a waterproof layer 20, a heating layer 30 and a thermal insulation layer 40 in sequence from outside to inside; the heating layer comprises a heating film 31 and an electrode 32, the electrode 32 is connected to the heating film 31 and guides the heating film to generate heat, the heating film 31 is made of carbon nano materials, and the thickness of the heating film is 10-100 micrometers.
In this embodiment, the electrode 32 is connected to a temperature controller 33, a temperature sensor 34 and a power switch 35, the temperature controller 33 and the temperature sensor 34 are both disposed on the heating layer, the power switch 35 is disposed on the outer surface of the sheath layer, and the electrode 32 enters the steering wheel through the back gap of the steering wheel 200 and is connected to a hairspring power supply inside the steering wheel. The heating film 31, the electrode 32, the temperature controller 33, the temperature sensor 34, and the power switch 35 constitute a heating circuit.
The power switch 35 is an LED button switch with three colors, corresponding to three different temperatures, namely low temperature of 40 ℃, medium temperature of 50 ℃ and high temperature of 60 ℃.
The temperature controller 33, the temperature sensor 34 and the power switch 35 are all the prior art, in this embodiment, the models of NE555 and DS18B20U are respectively selected for the temperature controller 33 and the temperature sensor 34, and the power switch 35 is a customized film switch with three different colors of backlight.
The temperature sensor 34 is used for detecting the temperature of the heating film, the temperature controller 33 is used for receiving the detection result of the temperature sensor 34, comparing the detection result with the preset temperature in the temperature controller 33, and when the temperature of the heating film is lower than or exceeds the target temperature, adjusting the temperature of the heating film to ensure that the temperature of the steering wheel cover tends to be constant.
The heating circuit supplies power through a hairspring power supply in the steering wheel, and the power supply is convenient.
The power switch 35 can select different working temperatures of low, medium and high to adapt to different requirements of drivers.
The power switch 33, temperature controller 34, temperature sensor 35 and heat generating film are connected using flexible wires. The flexible wire is resistant to bending and is soft, and foreign body sensation in the steering wheel sleeve in the using process can be relieved. The flexible lead comprises an inner layer and an outer layer, wherein the inner layer is made of flexible conductive materials, and the outer layer is made of flexible insulating materials. The flexible conductive material can be metal wires, enameled wires, carbon fibers or silver wires, and the flexible insulating material can be insulating cloth, silica gel, TPFE, PVC or acrylic.
The flexible lead and the film prepared from the carbon nano material are welded together by utilizing an ultrasonic welding machine or a laser spot welding machine, so that the lead and the film are directly, tightly and firmly combined together, and the heating of the joint is reduced.
Referring to fig. 1, when the heating steering wheel cover of the present invention is used, the heating steering wheel cover 100 is fitted to a steering wheel through a C-shaped opening, an electrode 32 is inserted into the steering wheel through a gap at the back of the steering wheel and connected to a hairspring power supply inside the steering wheel, and a low, medium, and high operating temperatures are selected by a power switch 35.
The method for manufacturing the heat generating steering wheel cover of the present invention will be explained below with reference to specific examples.
First, it should be noted that:
the floating catalytic chemical vapor deposition method for preparing carbon nanotube film of the present invention is a prior art, for example, the method disclosed in CN110316720A sulfur and nitrogen double-doped carbon nanotube film and the preparation method thereof, which are filed by the inventor 2019.06.27 of the present application.
The carbon nanotube powder and the method for preparing the film by the graphene powder are the prior art, the carbon nanotube powder can be prepared by an electric arc method, a CVD method or a solvothermal method, and the graphene powder can be prepared by an oxidation-reduction method, a CVD method, a liquid phase/solid phase stripping method, an arc discharge method and a supercritical fluid stripping method. The film forming mode of the film can be a pouring forming drying method, a film scraping drying method, a phase inversion method, a spraying method and the like.
Methods for preparing Graphene thin Films using Chemical Vapor Deposition are known in the art, and are described, for example, in the paper entitled Synthesis of Graphene Films on coater foil by Chemical Vapor Deposition published in Advanced Materials.
Raw materials and chemical agents such as carbon nanotube powder and graphene powder used in the following examples were purchased from the market.
Example 1
The sheath layer is made of a first-layer suede leather, the waterproof layer is made of TPU waterproof cloth, the heating film is made of a carbon nano tube film, and the heat insulation layer is made of a heat insulation rubber pad with the thickness of 0.5 mm.
The manufacturing method of the heating steering wheel cover comprises the following steps:
s1: preparing a carbon nano tube film with the thickness of 40-60 microns by using a floating catalytic chemical vapor deposition method;
s2: connecting the carbon nanotube film, the temperature sensor, the temperature controller and the power switch by using electrodes to form a heating circuit;
s3: respectively cutting each layer of material according to the surface expansion size of the universal steering wheel, sequentially stacking each layer of material according to the sequence of a sheath layer, a waterproof layer and a heating layer, and bonding the layers together through a bonding agent for increasing the strength;
s4: and bending the materials which are bonded together into a C shape and winding the C shape into an annular body with an inward opening, bonding two ends of the annular body into a circular ring through an adhesive to form a steering wheel sleeve, and leading the tail end of the electrode out of the heating layer for connecting a steering wheel power supply.
Example 2
This example is substantially the same as example 1, except that the sheath layer is made of a first layer kraft, the waterproof layer is made of PTFE tarpaulin, the heating film is made of a graphene film, and the heat insulating layer is made of a heat insulating rubber pad having a thickness of 2 mm.
The graphene film is prepared from graphene powder, the graphene powder is dispersed in water with the help of polyvinylpyrrolidone (K30), carboxymethyl cellulose is added to form uniform slurry, and the uniform slurry is coated and prepared into the graphene film with the thickness of 70-90 microns.
Example 3
The present embodiment is substantially the same as embodiment 2, except that the preparation method of the graphene heating film is different. In the embodiment, a chemical vapor deposition method is used for depositing the graphene film with the thickness of 50-70 microns on the copper substrate.
Example 4
This example is substantially the same as example 1 except that the sheath layer is made of a first-layer suede leather, the waterproof layer is made of a PU waterproof fabric, the heating film is made of a carbon nanotube-graphene film, and the heat insulating layer is made of heat insulating rubber wool having a thickness of 2 mm.
The carbon nanotube-graphene film is prepared from graphene powder and carbon nanotube powder, wherein the graphene powder and the carbon nanotube powder are mixed according to the ratio of 1: 9, dispersing the mixture in water with the help of a surfactant, adding a binder to form uniform slurry, and coating and preparing the uniform slurry into a carbon nanotube-graphene film with the thickness of 30-50 microns.
Example 5
This example is substantially the same as example 2 except that the sheath layer is made of a breathable flax cloth, the waterproof layer is made of a PVC tarpaulin, and the heat insulating layer is made of heat insulating rubber wool having a thickness of 0.5 mm.
Example 6
This example is substantially the same as example 3, except that the sheath layer is made of a long pile napped cloth, the waterproof layer is made of a PA tarpaulin, and the heat insulating layer is made of a heat insulating rubber pad having a thickness of 1.5 mm.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A heating steering wheel sleeve comprises a circular sleeve body and is characterized in that the cross section of the sleeve body is of a C-shaped structure with an inner side opening, and a sheath layer, a waterproof layer, a heating layer and a heat insulation layer are sequentially arranged on the C-shaped structure from outside to inside; the heating layer comprises a heating film and an electrode, the electrode is electrically connected with the heating film and guides the heating film to generate heat, the heating film is made of carbon nano materials, and the thickness of the heating film is 10-100 micrometers.
2. A heat-generating steering wheel cover according to claim 1, wherein the carbon nanomaterial is carbon nanotube, graphene, or a carbon nanotube-graphene composite.
3. A heating steering wheel cover according to claim 2, wherein the carbon nanotube heating film is directly made by a floating catalytic chemical vapor deposition method or made of carbon nanotube powder.
4. The heating steering wheel cover according to claim 2, wherein the graphene heating film is made of graphene powder or chemical vapor deposition.
5. The heating steering wheel cover according to claim 2, wherein the carbon nanotube-graphene heating film is prepared by mixing graphene powder and carbon nanotube powder.
6. The heating steering wheel cover according to claim 1, wherein the electrode is connected with a temperature controller, a temperature sensor and a power switch, the temperature controller and the temperature sensor are arranged on the heating layer, and the power switch is arranged on the outer surface of the sheath layer.
7. A heat generating steering wheel cover according to claim 6, wherein said electrode enters the interior of the steering wheel through the steering wheel back gap and is connected to a spring power supply inside the steering wheel.
8. A heat generating steering wheel cover according to claim 1 or 2, wherein the sheath layer is made of a porous leather material.
9. A heat generating steering wheel cover according to claim 1 or 2, wherein the waterproof layer is made of TPU tarpaulin, PTFE tarpaulin, PU tarpaulin, PVC tarpaulin or PA tarpaulin.
10. A heating steering wheel cover according to claim 1 or 2, wherein the heat insulation layer is made of a heat insulation rubber pad or heat insulation rubber cotton with a thickness of 0.5-5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010340216.8A CN113548106A (en) | 2020-04-26 | 2020-04-26 | Heating steering wheel cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010340216.8A CN113548106A (en) | 2020-04-26 | 2020-04-26 | Heating steering wheel cover |
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| Publication Number | Publication Date |
|---|---|
| CN113548106A true CN113548106A (en) | 2021-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010340216.8A Withdrawn CN113548106A (en) | 2020-04-26 | 2020-04-26 | Heating steering wheel cover |
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| CN (1) | CN113548106A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20110040368A (en) * | 2009-10-14 | 2011-04-20 | (주)엘지하우시스 | Heating steering wheel comprising protection layer and manufacturing method thereof |
| KR20120001170A (en) * | 2010-06-29 | 2012-01-04 | (주)엘지하우시스 | Steering wheel having uniformly generating heat and method thereof |
| CN107878550A (en) * | 2016-09-30 | 2018-04-06 | 福特全球技术公司 | Steering wheel assembly and the steering wheel system of heating |
| CN207579935U (en) * | 2017-10-18 | 2018-07-06 | 杭州高烯科技有限公司 | A kind of heated steering wheel |
| CN207889801U (en) * | 2018-02-07 | 2018-09-21 | 陈胡缵绪 | Self-powered graphene heats fashion direction indicators cover |
| CN208411851U (en) * | 2018-07-06 | 2019-01-22 | 河北金雕新材料科技有限公司 | A kind of graphene far infrared direction indicators cover |
| RU189014U1 (en) * | 2019-01-23 | 2019-05-06 | Андрей Александрович Коняев | Wheel |
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| CN212354120U (en) * | 2020-04-26 | 2021-01-15 | 南京源昌新材料有限公司 | Heating steering wheel cover |
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2020
- 2020-04-26 CN CN202010340216.8A patent/CN113548106A/en not_active Withdrawn
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| KR20110040368A (en) * | 2009-10-14 | 2011-04-20 | (주)엘지하우시스 | Heating steering wheel comprising protection layer and manufacturing method thereof |
| KR20120001170A (en) * | 2010-06-29 | 2012-01-04 | (주)엘지하우시스 | Steering wheel having uniformly generating heat and method thereof |
| CN107878550A (en) * | 2016-09-30 | 2018-04-06 | 福特全球技术公司 | Steering wheel assembly and the steering wheel system of heating |
| CN207579935U (en) * | 2017-10-18 | 2018-07-06 | 杭州高烯科技有限公司 | A kind of heated steering wheel |
| CN207889801U (en) * | 2018-02-07 | 2018-09-21 | 陈胡缵绪 | Self-powered graphene heats fashion direction indicators cover |
| CN208411851U (en) * | 2018-07-06 | 2019-01-22 | 河北金雕新材料科技有限公司 | A kind of graphene far infrared direction indicators cover |
| CN209719707U (en) * | 2018-10-26 | 2019-12-03 | 浙江方向实业有限公司 | A kind of steering wheel heater |
| RU189014U1 (en) * | 2019-01-23 | 2019-05-06 | Андрей Александрович Коняев | Wheel |
| CN212354120U (en) * | 2020-04-26 | 2021-01-15 | 南京源昌新材料有限公司 | Heating steering wheel cover |
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Application publication date: 20211026 |