KR20110021032A - Guide blade for vehicles and a vehicle attached with the same - Google Patents

Abstract

PURPOSE: A guide blade for a vehicle and a vehicle attach with the same are provided to improve the continued ratio of the vehicles and driving performance of a vehicle by reducing air resisting force. CONSTITUTION: A guide blade for a vehicle comprises a disk shaped blade(10) of straight type. A plate shape blade is combined with the rear end of the roof of a vehicle. A Glass bead(20) is formed on the outer side of the plate shape blade. The glass bead spreads on the upper side of a coating layer, made of cure type organic resin and solvent material, to be protruded.

Description

GUIDE BLADE FOR VEHICLES AND A VEHICLE ATTACHED WITH THE SAME}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a guide blade for a vehicle and a vehicle having the same attached thereto, in particular, to improve aerodynamic characteristics of the vehicle, reduce air resistance, and improve driving performance and fuel economy of the vehicle, and particularly in the case of hatchback or SUV vehicles, The present invention relates to a vehicle guide blade and a vehicle to which the same can be improved.

Means of transport In particular, automobiles have a surface that is coated with a uniform thickness on the surface of the panel to reduce air resistance generated while driving, and the overall shape is close to water droplets to reduce drag coefficient. This is done.

However, in the case of a general vehicle, it is impossible to make the entire shape close to the shape of a drop, and in the front and the middle part, the air flow on the outside surface of the vehicle is made to be a laminar flow, thereby reducing the air resistance. If it is maintained continuously, rather than pulling the vehicle from behind, it increases the drag caused by the air. Therefore, in the rear part of the vehicle, wake or turbulence is generated in the laminar flow to reduce the drag caused by driving, thereby reducing fuel economy. Ways to improve are proposed.

Application of spoilers, etc. has been made as one of these methods, but this is for the purpose of high-speed stability rather than reducing the air resistance, the size is large, there is a problem that the drag generated on the surface is increased.

Therefore, it is necessary to develop a mechanism that can improve these problems.

In order to solve the problems of the prior art as described above, the present invention improves the aerodynamic characteristics of the vehicle as a small attachment, and improves the running performance and fuel economy of the vehicle by reducing the air resistance, in particular in the case of a hatchback or SUV vehicle rear window An object of the present invention is to provide a guide blade for a vehicle and a vehicle to which the drop can be improved.

In order to achieve the above object, the present invention

A straight plate-shaped blade that is parallel to the front and rear of the vehicle,

The plate-shaped blade is coupled to the rear end of the ceiling front and rear direction of the vehicle, the outer surface of the plate-shaped blade provides a guide blade for a vehicle characterized in that a plurality of glass beads protruded and coupled.

In another aspect, the present invention provides a vehicle in which a plurality of the vehicle guide blade is coupled to the rear end of the ceiling upper surface of the vehicle based on the front and rear direction of the vehicle.

According to the vehicle guide blade of the present invention and the vehicle to which it is attached, the aerodynamic characteristics of the vehicle are improved even with a small attachment, and the aerodynamic resistance is reduced to improve the driving performance and fuel efficiency of the vehicle, and especially in the case of a hatchback or an SUV vehicle. Has the effect of improving the water condensation phenomenon.

In addition to improving the scratch resistance, weather resistance, corrosion resistance, and acid resistance of the coating surface as compared to the conventional method of painting the vehicle, it also improves the strength of the coating surface, the adhesion of the coating film and the adhesion of the glass beads, and in particular the coating surface By having an antistatic function, it is possible to have a remarkable improvement in the fuel efficiency saving effect of the vehicle due to pollution resistance and frictional force reduction.

The inventors of the present invention apply to the coating method disclosed in the present application No. 10-2005-128414 to the vehicle, in addition to this study while studying to further improve the structure and attachment method for further improving the aerodynamic characteristics It is more effective to apply the described paint composition to a separate guide blade, especially when the paint composition is properly mixed with c) an alkali metal compound or an alkaline earth metal compound, d) a metal powder, and e) a solvent. It has a coating film property, and further improves the strength of coating surface, coating film adhesion and adhesion of glass beads, and in particular, the surface of coating film has an antistatic function, which can have a significant improvement in fuel economy saving effect due to pollution resistance and frictional force reduction. It was confirmed that the present invention was completed.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

The present invention relates to a guide blade for a vehicle, which is a straight plate-shaped blade 10 parallel to the front and rear direction of the vehicle, the plate-shaped blade is coupled to the rear end relative to the vehicle front and rear direction of the ceiling top surface of the vehicle, The outer surface of the glass bead 20 has a configuration in which a plurality of protruding.

Specific examples thereof are as shown in FIGS. 1 to 3. FIG. 1 illustrates a state in which the plate-shaped blade 10 is attached to a vehicle, and FIG. 2 is an enlarged perspective view of the glass bead in such a blade. Here, the glass beads may have a size as shown in FIG. 2, and preferably, finer particles may be attached as shown in FIG. 3, and the density of the glass beads may also be roughly as shown in FIG. 2. The particles may be attached, and more preferably, the particles may be attached as shown in FIG. 3.

1 to 2, the shape of the blade is preferably a front end of the blade is protruding lower and protruded backward tapered to the shape of aerodynamic characteristics.

In addition, in order to protrude and attach the glass beads to the surface, i) the glass beads 20 are coated with a coating composition comprising a) a curable organic resin and b) a solvent, and the coating composition before the applied coating composition is cured. The glass beads 20 are sprayed and cured on top of the composition to bond, or ii) the glass beads 20 are applied by mixing and curing the glass beads to a coating composition comprising a) a curable organic resin and b) a solvent. Can be.

That is, i) the glass bead 20 is a glass bead dispersed and bonded on top of the coating layer formed by the application of a coating composition comprising a) a curable organic resin and b) a solvent, or ii) the glass bead 20 Is a glass bead dispersed by protruding to the upper part of the glass beads dispersed in the coating layer formed by the application of the coating composition comprising a) a curable organic resin and b) a solvent.

In the case of i) it will be a cross-sectional structure as shown in (a) of Figure 4, the case of ii) will have a cross-sectional structure as shown in (b) of FIG. Preferably it is preferable to proceed in the manner of i) to ensure even protrusion of the glass beads and sufficient protrusion amount.

The a) curable organic resin used in the present invention may be a known organic resin used in the conventional vehicle coating, photocurable resin that can be cured by using a light such as room temperature curing type, thermosetting type and ultraviolet ray can be used. . In addition, oily resins and aqueous resins can be selected and used, as well as a liquid resin mixed in advance with a solvent to be described later. For example, epoxy, acrylic, urethane, alkyd, polyester, or polyvinyl chloride may be used. The epoxy-based resin is preferably a solvent-free or solvent- diluting epoxy resin having a molecular weight in the range of 350 to 3,000 MW among diglycidyl and triglycidyl types. The acrylic resin is preferably an acrylic urethane, an aqueous acrylic hydrosol, an emulsion-free acrylic silane, an ultraviolet curable acrylic, or the like having a methacrylic acid derivative as a main component. The alkyd based resin is preferably an alkyd resin in the form of a coating modified with a polybasic acid and a polyhydric alcohol ester compound, and includes rosin, phenol, epoxy, and vinyl styrene monomer. ), Alkyd resins modified with isocyanate, silicon, or the like can also be used. The polyvinyl chloride system preferably uses a plastic sol liquid resin of PVC.

These resins act as a binder of the coating composition, impart acid and alkali resistance, add a curing agent if necessary to cure, and a curing accelerator may be used to control the curing rate. Of course, the selection of these curing agents and curing accelerators can be determined according to the type and amount of the resin.

If the curable organic resin is too small in content, the adhesive strength may drop, and if the content is too high, the strength and physical properties may be poor.

The coating composition according to the present invention includes the b) solvent, and the content thereof is preferably included in an amount of 100 to 500 parts by weight based on 100 parts by weight of the curable organic resin.

The solvent may be mixed with the curable organic resin, and the solvent is not limited as long as the alkali metal compound or alkaline earth metal compound to be described below is dissolved.

In addition, the present invention includes a glass bead having a shape and a particle size that is sprayed and cured on top of the paint composition, and then fixed by the paint composition and protruded from the top of the paint composition to form protrusions. Riblets effect on the surface of the vehicle, driving the air flow on the outer surface of the vehicle such as a vehicle to generate wakes or turbulences from laminar flow, which increases the drag caused by air. It can reduce the drag by improving fuel economy. In addition, when air or water enters the unevenness between the glass bead protrusions formed on the paint composition, air or water is spread over the glass bead to form an air film or water film, thereby lowering the surface tension of the object. Acts to prevent.

In addition, the glass beads are preferably obtained by treating a glass powder obtained by pulverizing glass, cullet, glass fiber, or glass curette, and the like, and the glass composition is selected from a coating composition such as A, C, E, alkali-resistant glass powder composition, and the like. It will not specifically limit, if there is compatibility.

Preferably, the glass beads have a particle size of 0.01 μm to 3 mm, and the content thereof is preferably included in an amount of 50 to 150 parts by weight based on 100 parts by weight of the paint composition solids. When it is in the said range, since it can be firmly adhere | attached to a coating composition and sufficient adhesion prevention and a riblet effect can be obtained, it is preferable. In addition, when the particle size is less than 0.01 μm, the fuel economy may be reduced, and when it exceeds 3 mm, the adhesion may be low.

The glass beads may be spherical, oval, or any shape similar to the glass beads, and various sizes may be distributed to those selected only from a predetermined size.

In addition, the colored glass beads may be used. In this case, the glass beads colored in the same color as the color to be painted may be used, and in this case, the quality of the painted surface may be further improved.

The coating composition may further include c) glass powder, or d) an alkali metal compound or alkaline earth metal compound, or e) a metal powder. These may all be added together or at least one of them may be optionally added.

Preferably, the coating composition comprises a) 100 to 500 parts by weight of solvent, c) 10 to 400 parts by weight of glass powder, d) 0.1 to 10 parts by weight of alkali metal compound or alkaline earth metal compound, based on 100 parts by weight of the curable organic resin. Part, and e) 0.1 to 50 parts by weight of the metal powder.

The c) glass powder used in the present invention has a function of improving scratch resistance by significantly reducing the generation of scratches by external pressure by strengthening the surface hardness after the resin is cured with a rigid material having a hardness of 6 to 7 In addition, when the surface is contaminated, contaminants can be easily removed and removed by water, thereby improving pollution resistance and improving corrosion resistance.

The glass powder may be one of various particle shapes and particle sizes, and the particles of the glass powder are obtained by pulverizing general glass, and the glass composition is compatible with resins such as A, C, E, and alkali-resistant glass powder compositions. It will not be specifically limited if it is. In particular, the particle size of the glass powder is better in the ease and physical properties of the coating in the case of 0.01-500 um.

The glass powder is preferably contained in 10 to 400 parts by weight, more preferably 50 to 100 parts by weight based on 100 parts by weight of the curable organic resin. If the content is less than 10 parts by weight, the viscosity of the coating composition may be lowered and shrinkage and expansion may increase after curing. If the content is more than 400 parts by weight, the viscosity may be too high, and the resin content may be lowered to lower the strength. It may be eliminated after the composition has cured.

The alkali metal compound or alkaline earth metal compound of d) used in the present invention includes lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), or francium (Fr). Alkali metal compounds containing beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), or alkaline earth metal compounds containing radium (Ra) alone or in combination It can be mixed and used. In particular, it is preferable to use sodium-based alkali metal compounds containing sodium or magnesium-based alkaline earth metal compounds containing magnesium, and examples thereof include NaCl, NaCO 3, MgCl 2, and the like.

The alkali metal compound or alkaline earth metal compound may be included in an amount of 0.1 to 10 parts by weight based on 100 parts by weight of the curable organic resin. Within the above range, the strength of the coating surface, the adhesion of the coating film and the adhesion of the glass beads are further improved, and in particular, the coating surface has a great effect of reducing the stain resistance and friction due to the antistatic function.

The metal powder of e) used in the present invention contains aluminum (Al), zinc (Zn), iron (Fe), nickel (Ni), tin (Sn), lead (Pb), or copper (Cu). Metal powder can be used individually or in mixture of 2 or more types. In particular, it is preferable to use an aluminum powder or an alloy powder containing aluminum.

The metal powder is preferably contained in 0.1 to 50 parts by weight based on 100 parts by weight of the curable organic resin. When the content is within the above range, the strength of the coating surface, the adhesion of the coating film and the adhesion of the glass beads are further improved, and in particular, the coating surface has a great effect of reducing the stain resistance and friction due to the antistatic function.

In addition, the coating composition applied to the present invention containing the above components may further include a glass fiber (glass fiber). The glass fibers are present in the resin and cured to increase the tensile force of the coating composition and to prevent cracking of the coating composition. Such glass fiber is preferably a long glass fiber of E glass composition, it is also possible to use fibers of the alkali resistance composition. The glass fiber is preferably a chopped fiber or a milled fiber prepared by grinding a glass fiber having a fiber diameter of 10 to 20 ㎛ in chopped strand length to an average fiber length Can be. In particular, the chopped fibers are preferably cut to a fiber length of about 2-12 mm, and the pulverized fibers preferably have an average fiber length of 100 to 300 ㎛. Particularly, pulverized fibers are preferable in consideration of tensile strength reinforcement and dispersibility of the resin, and chopped fibers and pulverized fibers may be mixed and used.

It is preferable that the said glass fiber is further contained 1-100 weight part with respect to 100 weight part of said coating composition solids.

In addition, the coating composition applied to the present invention may further include additives such as fillers, pigments, diluent solvents, dehumidifiers, reaction catalysts, thickeners, rheology control agents, wetting agents, UV stabilizers, pinhole removers, or coating film smoothing agents. can do.

Preferably, the coating composition to be applied to the present invention has the subject matter other than the above-mentioned metal powder, and is preferably stored separately from the metal powder as a subsidiary material, and mixing immediately before coating is good for storage stability. .

Coating of the coating composition to be applied to the present invention as described above may use a conventional vehicle coating method, it is particularly preferable to coat using spray coating.

The coating composition applied to the present invention as described above is c) an alkali metal compound or an alkaline earth metal compound of c) in the existing paint composition described in the present application (No. 10-2005-128414), d) a metal powder, and e ) When the solvent is properly mixed and mixed, it has more improved coating properties, and further improves the strength of the coating surface, the adhesion of the coating film, and the adhesion of the glass beads, and in particular, the surface of the coating film has an antistatic function. Even without the cleaning process, it can have a significant improvement in the fuel economy of the vehicle due to the reduced friction.

Preferably, the coating thickness of the coating composition is preferably 10-5000 μm, and more preferably 300-2000 um on the surface of the blade is significant in terms of fuel economy and fuel economy saving effect due to excellent pollution resistance and frictional force reduction May have an improvement.

As described above, the vehicle guide blade of the present invention may be attached to the vehicle and used. Preferably, as shown in FIG. 5, the plurality of vehicle guide blades are based on the vehicle front and rear directions of the top surface of the vehicle. And it can be coupled to the rear end, it is more preferable that the plurality of guide blades are arranged side by side in the left and right direction of the vehicle may be able to evenly adjust the rear aerodynamic characteristics.

In addition to this, a plurality of glass beads may be further protruded and coupled to all or part of the vehicle surface on which the blade of the present invention is mounted. As a result, a ripple effect can be obtained for the entire vehicle to improve aerodynamic characteristics.

In addition, as shown in FIG. 1, such a blade transfers the whirlwind generated from the rear of the vehicle to the rear (dotted line: conventionally, solid line: after the blade of the present invention is mounted). Water droplets supplied from the wheels or from the top can be prevented from sticking to the rear window. This is especially true for hatchback style or SUVs. As a specific example of this, the guide blades of the present invention are mounted on the domestic SUV and Sorento, and the driving result is that the rear glass is clean as shown in FIG. 6.

In addition, as described above, when the glass bead is further added to all or part of the surface of the vehicle to add a plurality of forms, it can form a glass bead protrusion in the same manner as described above. That is, the glass beads on the surface of the vehicle are coated by applying a coating composition comprising a) a curable organic resin and b) a solvent, and spraying and curing the glass beads on the coating composition before the applied coating composition is cured. The glass beads on the vehicle surface may be formed in a combined form by applying and curing the glass beads to a coating composition comprising a) a curable organic resin and b) a solvent.

Therefore, i) the glass bead 20 is a glass bead dispersed and bonded on top of the coating layer formed by the coating composition comprising a) a curable organic resin and b) a solvent, or ii) the glass bead 20 It becomes the form which is the glass beads which disperse | distributed to the upper part among the glass beads dispersed in the coating layer formed by application | coating of the coating composition containing a) curable organic resin and b) solvent.

The present invention described above is not limited to the above detailed description and examples, and various modifications and changes of those skilled in the art are possible without departing from the spirit and scope of the present invention as set forth in the claims below. Of course it is also included within the scope of the present invention.

1 is a side view of the vehicle mounting state of the vehicle guide blade of the present invention and a view showing the air flow change in this case.

Figure 2 is an enlarged perspective view of an embodiment of a guide blade for a vehicle of the present invention.

Figure 3 is an enlarged photograph showing another embodiment of the guide blade for a vehicle of the present invention.

Figure 4 is a cross-sectional view of two embodiments showing the bonding state of the coating film and the glass bead for the vehicle guide blade of the present invention.

5 is a photograph of a state in which the guide blades for a vehicle of the present invention are aligned to a plurality and mounted on a vehicle.

FIG. 6 is a photograph of a situation in which water droplets do not get on the rear window of the Sorento vehicle when driving in the rain on the highway.

Explanation of symbols on the main parts of the drawings

10: plate blade 20: glass beads

30: resin layer

Claims (22)

A straight plate-shaped blade that is parallel to the front and rear of the vehicle, The plate-shaped blade is coupled to the rear end of the ceiling front and rear direction of the vehicle, the guide blade for a vehicle, characterized in that a plurality of glass beads protrude and coupled to the outer surface of the plate-shaped blade. The method of claim 1, The front end of the blade is a guide blade for a vehicle, characterized in that the lower portion protrudes and the upper portion is tapered inclined back. The method of claim 1, The glass bead is a glass bead, characterized in that the glass beads dispersed and bonded on top of the coating layer formed by the application of a coating composition comprising a) a curable organic resin and b) a solvent. The method of claim 1, The glass bead is a glass bead, characterized in that the glass bead protruded to the top of the glass beads dispersed in the coating layer formed by the application of a coating composition comprising a) a curable organic resin and b) a solvent. The method according to claim 3 or 4, The a) curable organic resin is a guide blade for a vehicle, characterized in that the room temperature curing, thermosetting or photo-curable organic resin. The method according to claim 3 or 4, The a) curable organic resin a) guide vehicle blades, characterized in that at least one selected from the group consisting of epoxy, acrylic, urethane, alkyd, polyester, and polyvinyl chloride. The method of claim 1, The guide blade for a vehicle, characterized in that the average particle diameter of the glass bead (glass bead) is 0.01 ㎛ to 3 mm. The method according to claim 3 or 4, The glass bead is a vehicle guide blade, characterized in that it comprises 50 to 150 parts by weight based on 100 parts by weight of the paint composition solids. The method of claim 1, The glass bead for the vehicle blade, characterized in that the colored glass beads. The method according to claim 3 or 4, The coating composition further comprises c) glass powder, or d) an alkali metal compound or alkaline earth metal compound, or e) a metal powder. The method of claim 10, The coating composition comprises a) 100 to 400 parts by weight of the curable organic resin, c) 10 to 400 parts by weight of the glass powder, d) 0.1 to 10 parts by weight of the alkali metal compound or alkaline earth metal compound, e) 0.1 to 50 parts by weight of the metal powder, and b) A vehicle guide blade comprising 100 to 500 parts by weight of a solvent. The method of claim 10, C) The particle size of the glass powder vehicle guide blade, characterized in that 0.01-500 ㎛. The method of claim 10, The alkali metal compound or alkaline earth metal compound of d) is lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), francium (Fr), beryllium (Be), and magnesium. A vehicle guide blade, characterized in that at least one selected from the group consisting of calcium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra). The method of claim 10, The metal powder of e) may be aluminum (Al), zinc (Zn), iron (Fe), nickel (Ni), tin (Sn), lead (Pb), or copper (Cu). . The method according to claim 3 or 4, The coating composition may include a chopped fiber obtained by cutting a glass fiber having a fiber diameter of 10 to 20 μm into a uniform strand length or a milled fiber obtained by grinding an average fiber length to 100 to 300 μm. A guide blade for a vehicle, further comprising 1 to 100 parts by weight based on 100 parts by weight of the paint composition solids. The method according to claim 3 or 4, The paint composition further comprises at least one additive selected from the group consisting of fillers, pigments, diluents, dehumidifying agents, reaction catalysts, thickeners, rheology control agents, wetting agents, UV stabilizers, pinhole removers, and coating film smoothing agents. Guide blade for vehicle. The method according to claim 3 or 4, Vehicle coating blade, characterized in that the coating composition is applied to a thickness of 10-5000 ㎛. A plurality of vehicle guide blades of claim 1 is coupled to the rear end relative to the vehicle front and rear direction of the upper surface of the vehicle. The method of claim 18, The plurality of guide blades are arranged side by side in the left and right directions of the vehicle, And a plurality of glass beads protrude and couple to all or part of the surface of the vehicle. The method of claim 18, The vehicle is a hatchback or an SUV vehicle. The method of claim 19, And the glass beads on the surface of the vehicle are glass beads dispersed and bonded on an upper part of the coating layer formed by application of a coating composition comprising a) a curable organic resin and b) a solvent. The method of claim 19, And the glass beads on the surface of the vehicle are glass beads which are dispersed and protruded upward among glass beads dispersed in an application layer formed by application of a coating composition comprising a) a curable organic resin and b) a solvent.

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