Vehicle heating device

Abstract

The present invention relates to a heating wire device for a vehicle, which includes a support portion provided inside a vehicle, a peripheral heat generating portion arranged on the periphery of the support portion for generating heat, and a central heat generating portion arranged in a central portion adjacent to the peripheral portion for generating heat.

Description

[Technical Field]

[0001] The present invention relates to a vehicle heating device that is provided on a camera, a side mirror, or the like of a vehicle. [Background technology]

[0002] Generally, vehicles can be classified into vehicles such as sedans and SUVs, agricultural vehicles such as tractors and combine harvesters, military vehicles such as armored vehicles and tanks, and construction and civil engineering vehicles. These vehicles are equipped with vehicle heating devices to remove frost from cameras and condensation formed on side mirrors. The vehicle heating device includes a heating element for increasing the temperature of the camera and side mirror.

[0003] Fig. 1 is a schematic plan view of a conventional vehicle heating element, and Fig. 2 shows the results of a three-dimensional thermal fluid analysis (CFD, Computation Fluid Dynamics) of the heat generation area of ​​the conventional vehicle heating element. The hatching on the support, anode power terminal, and cathode power terminal in Fig. 1 is shown to distinguish them from other components.

[0004] Referring to FIG. 1, a conventional vehicle heating device 100 includes a support part 110 and a heating part 120 .

[0005] The support part 110 is for supporting the heat generating part 120. The heat generating part 120 is coupled to the support part 110 and is supported by the support part 110. The support part 110 is made of an insulating material.

[0006] The heating unit 120 is responsible for heating the camera and the side mirrors. The heating unit 120 generates heat by receiving power from an external source, thereby forming a heating area HA. ​​The heating unit 120 is made of a conductive material.

[0007] The heating unit 120 is implemented as a hot wire. The heating unit 120 is typically implemented as a hot wire formed of copper foil on a base film (not shown) and a split plate (not shown). In this case, the heating unit 120 is typically implemented as a hot wire having a single loop extending from the positive power terminal 121 (shown in FIG. 1) to the negative power terminal 122 (shown in FIG. 1). A hot wire having a single loop causes the following problems due to air convection and pattern overlap. Heat is concentrated in the center CA of the support unit 110, where there are few paths for heat to dissipate. The peripheral area SA, which is adjacent to the outer surface and where heat is easily dissipated, is formed at a lower temperature than the center CA. As a result, it is difficult for the conventional vehicle heating device 100 to ensure uniform temperature distribution in the heating region. Furthermore, because components such as copper foil, a base film, and a split plate are required, the conventional vehicle heating device 100 has a complex structure.

[0008] As a result, the conventional vehicle heating device 100 achieves a higher temperature in the central area CA than in the peripheral area SA, as shown in Figure 2. The relatively dark areas within the heat generating area HA shown in Figure 2 represent relatively high temperature areas, and the relatively bright areas represent relatively low temperature areas.

[0009] As shown in FIG. 2, the conventional vehicle heating device 100 has a problem in that the uniformity of the temperature distribution in the heating area HA is reduced, which reduces the degree of completion of the removal work of frost on the camera or condensation formed on the side mirror. Summary of the Invention [Problem to be solved by the invention]

[0010] SUMMARY OF THE INVENTION The present invention has been devised to solve the above-mentioned problems, and provides a vehicle heating element device for improving the uniformity of the temperature distribution in the heat generating area. [Means for solving the problem]

[0011] In order to solve the above-mentioned problems, the present invention may include the following configurations.

[0012] A vehicle heating device according to the present invention may include a support portion provided within a vehicle, a peripheral heating portion disposed on the periphery of the support portion for generating heat, and a central heating portion disposed in a central portion adjacent to the peripheral portion for generating heat. The central heating portion may form a first heating region having a first temperature in the central portion. The peripheral heating portion may be disposed on the periphery adjacent to the central heating portion for forming a second heating region having a second temperature in the peripheral portion. The central heating portion and the peripheral heating portion may be formed on the support portion by a molded interconnection device process using a conductive metal.

[0013] A vehicle heating device according to the present invention may include a support portion provided within a vehicle, a central heating portion disposed at a center of the support portion, and a peripheral heating portion disposed around the outside of the central portion. The central heating portion may form a first heating region having a first temperature in the central portion. The peripheral heating portions may be disposed on different sides of the central heating portion and may form a second heating region having a second temperature in the peripheral portion. The central heating portion and the peripheral heating portion may be formed on the support portion by a molded interconnection device process using a conductive metal. [Effects of the Invention]

[0014] According to the present invention, the following effects can be achieved.

[0015] The present invention can improve the uniformity of temperature distribution in the heat generating area, thereby improving the accuracy of the work of removing frost from cameras and condensation formed on side mirrors.

[0016] The present invention can improve the ease of work for forming a uniform temperature distribution over the entire area of ​​the support portion.

[0017] The present invention can improve the ease of maintenance work on the heat generating portion and reduce the maintenance costs for the heat generating portion. [Brief explanation of the drawings]

[0018] [Figure 1] 1 is a schematic plan view of a conventional vehicle heating device;

[0019] [Figure 2] 1 shows the results of a three-dimensional thermal fluid analysis of the heat generation area in a conventional vehicle heating element device.

[0020] [Figure 3] 1 is a perspective view of an example of a vehicle equipped with a vehicle heating device according to the present invention;

[0021] [Figure 4] 1 is a schematic perspective view of a vehicle heating device according to the present invention;

[0022] [Figure 5] FIG. 5 is a schematic plan view showing an enlarged view of part A in FIG. 4. [Figure 6] FIG. 5 is a schematic plan view showing an enlarged view of part A in FIG. 4.

[0023] [Figure 7] 4 is a diagram showing the results of a three-dimensional thermal fluid analysis on the first and second heat generation regions in the vehicle heating wire device according to the present invention.

[0024] [Figure 8] 10 is a schematic plan view of a vehicle heating device according to a modified embodiment of the present invention; FIG.

[0025] [Figure 9] 10 is a diagram showing the results of a three-dimensional thermal fluid analysis on a first heating region and a second heating region in a hot wire device for a vehicle according to a modified embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0026] Hereinafter, an embodiment of a vehicle heating device according to the present invention will be described in detail with reference to the accompanying drawings. In Figures 4 and 8, hatching on the central heating part, peripheral heating part, first terminal, and second terminal is used to distinguish them from other components.

[0027] 3, the vehicle heating device 1 according to the present invention is installed in a vehicle 10. The vehicle heating device 1 according to the present invention is installed on a camera 11, a side mirror 12, etc. of the vehicle 10, and can remove frost from the camera 11 or condensation formed on the side mirror 12. The vehicle heating device 1 according to the present invention can be formed in a partial area of ​​the housing of the camera 11, the side mirror 12, etc., or can be formed on the glass of the camera 11, the side mirror 12, etc.

[0028] For this purpose, the vehicle heating device 1 according to the present invention can be embodied as follows.

[0029] 4 to 7, a vehicle heating device 1 according to the present invention includes a central heating section 2 for generating heat, a peripheral heating section 3 for generating heat, and a support section 4 for supporting the peripheral heating section 3 and the central heating section 2. The central heating section 2 forms a first heating area HA1 having a first temperature T1 in a central section CA of the support section 4. The first temperature T1 may be a specific temperature or may be a temperature range having a lower limit and an upper limit. The first temperature T1 may be set in advance by an operator. The peripheral heating section 3 forms a second heating area HA2 having a second temperature T2 in a peripheral section SA of the support section 4. The second temperature T2 may be a specific temperature or may be a temperature range having a lower limit and an upper limit. The second temperature T2 may be set in advance by an operator.

[0030] The central heating portion 2 forms the first heating area HA1 having the first temperature T1 in the central portion CA, and the peripheral heating portion 3 forms the second heating area HS2 having the second temperature T2 in the peripheral portion SA, so that the vehicle heating device 1 according to the present invention achieves the following effects.

[0031] The vehicle heating device 1 according to the present invention can be embodied so that the center area CA and the peripheral area SA have the same temperature. In this specification, "the same temperature" refers not only to the case where the temperatures are exactly the same, but also to the case where the temperatures differ within a predetermined range. The predetermined range may be preset by an operator. The vehicle heating device 1 according to the present invention can be embodied so that heat is generated separately in the center area CA, where heat is concentrated, and the peripheral area SA, where heat is dispersed, by dividing the area where the heat is generated into sections. In this case, the area where heat is concentrated is embodied so that heat is dispersed, and the area where heat is dispersed is embodied so that heat is concentrated. Therefore, the vehicle heating device 1 according to the present invention can improve the uniformity of the temperature distribution in the heating areas HA1 and HA2, thereby improving the efficiency of the work of removing frost on the camera 11 and condensation on the side mirror 12.

[0032] Since the heating portion of the heating device 1 for a vehicle according to the present invention is divided, it can be embodied to heat at least one of the central heating portion 2 or the peripheral heating portion 3. As a result, the heating device 1 for a vehicle according to the present invention can be embodied to form different temperature distributions over the entire area of ​​the support portion 4 according to the user's needs. Therefore, the heating device 1 for a vehicle according to the present invention can be embodied to have performance according to the user's needs.

[0033] The vehicle heating device 1 according to the present invention may be embodied such that the spacing between the heating wires in the central portion CA is different from the spacing between the heating wires in the peripheral portion SA. In this case, the spacing d1 between the heating wires in the central portion CA may be greater than the spacing d2 between the heating wires in the peripheral portion SA. This allows the spacing d1 between the heating wires in the central portion CA, where heat is concentrated, to be greater, thereby dispersing the heat in the central portion CA. In this case, the spacing d2 between the heating wires in the peripheral portion SA may be smaller, thereby concentrating the heat in the peripheral portion SA. In this way, by making the spacing between the heating wires different between the central portion CA and the peripheral portion SA, it is possible to achieve uniform heat generation across the area where the heating wires are formed.

[0034] The vehicle heating device 1 according to the present invention may be embodied such that the width w1 of the heating wire itself in the central portion CA is different from the width w2 of the heating wire itself in the peripheral portion SA. In this case, the width w1 of the heating wire in the central portion CA may be formed larger than the width w2 of the heating wire in the peripheral portion SA. This increases the cross-sectional area of ​​the heating wire in the central portion CA, thereby lowering resistance and dispersing heat in the central portion CA. In this case, the width w2 of the heating wire in the peripheral portion SA may be formed smaller, thereby increasing resistance and increasing heat generation in the peripheral portion SA. In this way, by forming the widths of the heating wire in the central portion CA and the peripheral portion SA to be different from each other, it is possible to achieve uniform heat distribution across the area where the heating wire is formed.

[0035] The vehicle heating device 1 according to the present invention can be realized by forming a heating wire directly on the case of the part where the heating wire is required in a molded interconnection device (MID) process, without using separate components such as copper foil, base film, or split plate that are required when forming a heating sheet in the prior art. This simplifies the structure of the vehicle heating device 1 according to the present invention, thereby reducing costs and improving productivity.

[0036] The central heat generating portion 2, the peripheral heat generating portion 3, and the support portion 4 will be described in detail below with reference to the accompanying drawings.

[0037] 4 to 9, the central heating part 2 is provided in the vehicle 10 to generate heat. The central heating part 2 may be provided in the camera 11 or the side mirror 12. The heating parts 2 and 3 may be directly formed in the side mirror by a molded interconnect device (MID) process. In this case, the support part 4 may correspond to the side mirror 12. The central heating part 2 may be implemented with one heating wire. The central heating part 2 may be made of a conductive material.

[0038] The central heat generating part 2 forms a first heat generating region HA1 having a first temperature T1 in a central part CA of the support part 4. The central part CA may be disposed inside the peripheral part SA. The central part CA may be a point spaced the same distance from the side of the support part 4 and may correspond to one region of the support part 4. The central heat generating part 2 may form a first heat generating region HA1 having the first temperature T1.

[0039] The central heating portion 2 can be formed on the support portion 4 by a molded integrated circuit device (MID) process using a conductive metal. As a result, the vehicle heating device 1 according to the present invention can be realized such that the central heating portion 2 is directly formed on the support portion 4 by a molded integrated circuit device (MID) process, without the need for additional components such as copper foil, base film, and ribbed plate that are required when forming a heating sheet in the prior art. Therefore, the vehicle heating device 1 according to the present invention can reduce the number of components required to heat the central portion CA, thereby reducing the manufacturing process costs.

[0040] The central heating part 2 may be formed to have a first width w1 (shown in FIG. 5). The first width w1 may be a length based on a direction perpendicular to a direction in which the central heating part 2 extends.

[0041] Referring to FIGS. 5 and 6, the central heating part 2 may include a first central heating wire 21 and a second central heating wire 22.

[0042] The first central heating wire 21 generates heat in the central area CA. When the central heating unit 2 is implemented as a single heating wire, the first central heating wire 21 may be a part of the central heating unit 2 for generating heat in the central area CA. The first central heating wire 21 may be formed to have a shape extending along a straight line. The first central heating wire 21 may be formed of a conductive material.

[0043] The second central heating wire 22 is located at a position spaced apart from the first central heating wire 21 and serves to generate heat in the central portion CA. When the central heating unit 2 is implemented as a single heating wire, the second central heating wire 22 may be a part of the central heating unit 2 for generating heat in the central portion CA. The second central heating wire 22 may be formed to have a shape extending along a straight line. The second central heating wire 22 may be formed of a conductive material.

[0044] The second central heating wire 22 may be disposed to have a first distance d1 (shown in FIG. 5) from the first central heating wire 21. Heat from the first central heating wire 21 and the second central heating wire 22 may be dispersed via the first distance d1. The first distance d1 may gradually decrease toward the outside of the central portion CA. When the central heating unit 2 includes a plurality of central heating wires, including the second central heating wire 22 and the first central heating wire 21, the central heating wires may be spaced apart at smaller intervals as they are disposed closer to the peripheral heating unit 3. That is, the distances at which the central heating wires are spaced apart may gradually decrease toward the peripheral heating unit 3.

[0045] Although not shown, the second central heating wire 22 and the first central heating wire 21 may be connected to each other by a central connecting heating wire. The central connecting heating wire is disposed between the second central heating wire 22 and the first central heating wire 21 and connects the second central heating wire 22 and the first central heating wire 21. The central connecting heating wire may be U-shaped, semicircular, or the like, as long as it can connect the second central heating wire 22 and the first central heating wire 21. The central connecting heating wire, the second central heating wire 22, and the first central heating wire 21 may be formed as a single unit.

[0046] The vehicle heating device 1 according to the present invention may be embodied such that the width of the central heating portion 2 decreases toward the outside of the central portion CA. In this case, as shown in FIG. 6, the width w1' of the second central heating wire 22 may be smaller than the width w1 of the first central heating wire 21. As a result, the vehicle heating device 1 according to the present invention may be embodied such that the amount of heat generated by the central heating portion 2 decreases toward the outside of the central portion CA. When the central heating portion 2 includes a plurality of central heating wires, including the second central heating wire 22 and the first central heating wire 21, the central heating wire may be formed to have a smaller width as it is positioned closer to the peripheral heating portion 3. That is, the width of the central heating wire may gradually decrease toward the peripheral heating portion 3.

[0047] 4 to 9, the peripheral heating unit 3 is provided in the vehicle 10 and is configured to generate heat at a position spaced apart from the central heating unit 2. The peripheral heating unit 3 may be provided in the camera 11 or the side mirror 12. The peripheral heating unit 3 may be implemented as a single heating wire.

[0048] The peripheral heat generating portion 3 forms a second heat generating region HA2 having a second temperature T2 in the peripheral portion SA of the support portion 4. The peripheral portion SA may be arranged adjacent to the central portion CA. The peripheral portion SA may correspond to another region of the support portion 4 arranged adjacent to the central portion CA. In this case, the peripheral heat generating portion 3 may be arranged in the peripheral portion SA adjacent to the central heat generating portion 2. The peripheral portion SA may be arranged outside the central portion CA. In this case, the peripheral portion SA may correspond to another region of the support portion 4 arranged outside the central portion CA. When the peripheral portion SA is arranged outside the central portion CA, the peripheral heat generating portion 3 may be arranged in the peripheral portion SA to surround the central heat generating portion 2. In this case, the central portion CA may be arranged inside the peripheral portion SA, and the central heat generating portion 2 may be arranged inside the peripheral heat generating portion 3.

[0049] The vehicle heating device 1 according to the present invention can be embodied so that the peripheral heat-generating part 3 forms a second heat-generating area HA2 having a second temperature T2 that is the same as the first temperature T1. This can be seen from Figure 7, which shows the results of a three-dimensional thermal fluid analysis (CFD, Computational Fluid Dynamics) on the heat-generating areas HA1 and HA2 in the vehicle heating device 1 according to the present invention. Figure 7 shows the temperature distribution of the heat-generating areas HA1 and HA2 in the vehicle heating device 1 according to the present invention. In the bar on the left side of Figure 5, the higher the position, the higher the temperature.

[0050] As shown in Figure 7, the first temperature T1 of the first heating area HA1 and the second temperature T2 of the second heating area HA2 are the same. Therefore, the vehicle heating device 1 according to the present invention can improve the uniformity of the temperature distribution in the heating areas HA1 and HA2, thereby improving the efficiency of removing frost on the camera 11 and condensation formed on the side mirror 12. As shown in Figure 7, the first temperature T1 and the second temperature T2 can be embodied at approximately 116°C and 104°C, respectively, but this is merely an example and the first temperature T1 and the second temperature T2 can be embodied at different temperatures.

[0051] The peripheral heating part 3 can be formed on the support part 4 by a molded integrated circuit device (MID) process using a conductive metal. As a result, the vehicle heating device 1 according to the present invention can be realized such that the peripheral heating part 3 is directly formed on the support part 4 by a molded integrated circuit device (MID) process, without the need for additional parts such as copper foil, base film, and ribbed plate that are required when forming a heating sheet in the prior art. Therefore, the vehicle heating device 1 according to the present invention can reduce the number of parts required to heat the peripheral part SA, thereby reducing the manufacturing process cost.

[0052] The peripheral heating portion 3 may be formed to have a second width w2 (shown in FIG. 5). In this case, the second width w2 may be formed to be different from the first width w1. Thus, the vehicle heating device 1 according to the present invention can realize different heat values ​​in the second heating region HA2 and the first heating region HA1 by varying the resistance of the peripheral heating portion 3 and the central heating portion 2. That is, the width of the heating wire of the central heating portion 2 may be made wider than the width of the peripheral heating portion 3, thereby increasing the cross-sectional area of ​​the heating wire of the central heating portion 2 and lowering the resistance, thereby dispersing heat. On the other hand, the width of the heating wire of the peripheral heating portion 3 may be made narrower, thereby increasing the resistance of the heating wire of the peripheral heating portion 3 and increasing heat generation. Because resistance is proportional to length and inversely proportional to cross-sectional area, the resistance of the heating wire is increased in the peripheral region SA, where heat should be concentrated, to generate high heat, and the resistance of the heating wire is decreased in the central region CA, where heat should be dispersed, to generate low heat. Therefore, the vehicle heating device 1 according to the present invention can realize an adjustment capability to adjust the second temperature T2 and the first temperature T1 differently according to various operating conditions of the vehicle 10. For example, as shown in Fig. 5, when the second width w2 is formed to be smaller than the first width w1, the heat generation amount of the second heating region HA2 can be realized to be greater than the heat generation amount of the first heating region HA1. This is because the resistance of the heating wire increases as the width decreases, so the heat generation amount can increase. As a result, the second temperature T2 can be formed to be greater than the first temperature T1.

[0053] 5 and 6, the peripheral heat generating portion 3 may include a first peripheral heating wire 31 and a second peripheral heating wire 32.

[0054] The first peripheral heating wire 31 generates heat in the peripheral area SA. When the peripheral heating unit 3 is implemented as a single heating wire, the first peripheral heating wire 31 may be a part of the peripheral heating unit 3 for generating heat in the peripheral area SA. The first peripheral heating wire 31 may be formed to have a shape extending along a straight line. The first peripheral heating wire 31 may be formed of a conductive material.

[0055] The first peripheral heating element 31 may be formed to have the second width w2. In this case, the first central heating element 21 may be formed to have the first width w1. The first width w1 may be larger than the second width w2. Therefore, the first central heating element 21 may be formed to have a larger width than the first peripheral heating element 31.

[0056] The second peripheral heating wire 32 is for generating heat in the peripheral area SA at a position spaced apart from the first peripheral heating wire 31. When the peripheral heating unit 3 is implemented as a single heating wire, the second peripheral heating wire 32 may be a part of the peripheral heating unit 3 for generating heat in the peripheral area SA. The second peripheral heating wire 32 may be formed to have a shape extending along a straight line. The second peripheral heating wire 32 may be formed of a conductive material.

[0057] The second peripheral heating wire 32 may be formed to have the second width w2. In this case, the second central heating wire 22 may be formed to have the first width w1. The first width w1 may be larger than the second width w2. Therefore, the second central heating wire 22 may be formed to have a larger width than the second peripheral heating wire 32.

[0058] The second peripheral heating wire 32 may be disposed at a second distance d2 (shown in FIG. 5) from the first peripheral heating wire 31. Heat from the first peripheral heating wire 31 and the second peripheral heating wire 32 can be dispersed via the second distance d2. As a result, the vehicle heating device 1 according to the present invention can suppress an excessive increase in temperature of the peripheral heating unit 3, thereby reducing the possibility of damage or breakage of the peripheral heating unit 3 due to heat. Therefore, the vehicle heating device 1 according to the present invention can increase the usage cycle of the peripheral heating unit 3.

[0059] In the vehicle heating device 1 according to the present invention, the second distance d2 may be smaller than the first distance d1. That is, the second peripheral heating wire 32 and the first peripheral heating wire 31 may be arranged at a distance smaller than the first distance d1. As a result, the vehicle heating device 1 according to the present invention can increase the heat dispersion force for dispersing heat to the central heat-generating portion 2 and decrease the heat dispersion force for dispersing heat to the peripheral heat-generating portion 3. That is, the central heat-generating portion 2 has few paths for heat dispersion, so heat is concentrated there. Therefore, the distance between the heating wires can be made larger to disperse the heat. On the other hand, the peripheral heat-generating portion 3 is adjacent to an outer periphery that can disperse heat, so heat is not concentrated there. Therefore, the distance between the heating wires of the peripheral heat-generating portion 3 is made smaller than the distance between the heating wires of the central heat-generating portion 2 to concentrate the heat. Therefore, the vehicle heating device 1 according to the present invention can be embodied so that a uniform temperature distribution is formed over the entire area of ​​the support part 4 by increasing the dispersion force at the point where heat is relatively concentrated by being surrounded by the peripheral heat generating part 3 and decreasing the dispersion force at the point where heat is relatively dispersed. In one embodiment of the vehicle heating device 1 according to the present invention, the second distance d2 can be embodied to be larger than the first distance d1.

[0060] Although not shown, the second peripheral heating wire 32 and the first peripheral heating wire 31 may be connected to each other by a peripheral connecting heating wire. The peripheral connecting heating wire is disposed between the second peripheral heating wire 32 and the first peripheral heating wire 31 and connects the second peripheral heating wire 32 and the first peripheral heating wire 31. The peripheral connecting heating wire may be U-shaped, semicircular, or the like, as long as it can connect the second peripheral heating wire 32 and the first peripheral heating wire 31. The peripheral connecting heating wire, the second peripheral heating wire 32, and the first peripheral heating wire 31 may be formed as a single unit.

[0061] The vehicle heating device 1 according to the present invention may be embodied such that the width of the peripheral heating portion 3 decreases toward the outside of the central portion CA. In this case, as shown in Fig. 6, the width w2' of the second peripheral heating portion 32 may be smaller than the width w2 of the first peripheral heating portion 31. As a result, the vehicle heating device 1 according to the present invention may be embodied such that the amount of heat generated by the peripheral heating portion 3 decreases toward the outside of the peripheral portion SA.

[0062] 4 to 9, the support part 4 is for supporting the peripheral heat-generating part 3 and the central heat-generating part 2. The support part 4 is installed on the vehicle 10 and can function to support the peripheral heat-generating part 3 and the central heat-generating part 2. The peripheral heat-generating part 3 and the central heat-generating part 2 can be coupled to the support part 4. The support part 4 can be made of an insulating material. The support part 4 can be formed into a rectangular plate shape overall.

[0063] 4 to 9, the vehicle heating device 1 according to the present invention may include a power supply unit 5. In the example shown in FIG.

[0064] The power supply unit 5 is for supplying power to the central heat generating unit 2 and the peripheral heat generating unit 3. The power supply unit 5 can supply power to the central heat generating unit 2 and the peripheral heat generating unit 3 via a power supply device 50 (shown in FIGS. 4 and 8).

[0065] The power supply unit 5 may include a first terminal 51 (shown in FIGS. 4 and 8) and a second terminal 52 (shown in FIGS. 4 and 8).

[0066] The first terminal 51 is for connection to the central heating portion 2 and the peripheral heating portion 3. When the power supply device 50 supplies power to the central heating portion 2 and the peripheral heating portion 3, current flows from the first terminal 51 to the second terminal 52 through the central heating portion 2 and the peripheral heating portion 3. The first terminal 51 may be connected to a central supply heating wire (not shown) of the central heating portion 2 and a peripheral supply heating wire (not shown) of the peripheral heating portion 3. The first terminal 51 may be formed of a conductive material. The first terminal 51 may be embodied as a positive (+) terminal.

[0067] The second terminal 52 is intended to be connected to the central heating part 2 and the peripheral heating part 3 at a position spaced apart from the first terminal 51. The second terminal 52 may be connected to a central exhaust heat wire (not shown) of the peripheral heating part 3 and a peripheral exhaust heat wire (not shown) of the peripheral heating part 3, respectively. The second terminal 52 may be made of a conductive material. The second terminal 52 may be embodied as a negative (-) terminal.

[0068] In the above description, it has been explained that the first heating area HA1 and the second heating area HA2 have the same temperature, but the vehicle heating device 1 according to the present invention may also be embodied so that the first heating area HA1 and the second heating area HA2 have different temperatures depending on various usage environments of the vehicle 10.

[0069] Hereinafter, a vehicle hot-wire device 1 according to a modified embodiment of the present invention will be described in detail with reference to Figures 8 and 9. Meanwhile, since the vehicle hot-wire device 1 according to the modified embodiment of the present invention is embodied in almost the same manner as the vehicle hot-wire device 1 according to the present invention described above, the following description will focus on the differences.

[0070] The vehicle heating device 1 according to a modified embodiment of the present invention may include a plurality of peripheral heating portions 3G, 3G', 3G''. The peripheral heating portions 3G, 3G', 3G'' may be arranged in peripheral portions SA, SA', SA'' outside the central portion CA. In this case, the peripheral heating portions 3G, 3G', 3G'' may be arranged in different directions based on the central heating portion 2. For example, the vehicle heating device 1 according to a modified embodiment of the present invention may be embodied such that the peripheral heating portions 3G, 3G', 3G'' and the central heating portion 2 are arranged to form a triangle as a whole, and the peripheral heating portions 3G, 3G', 3G'' are arranged in areas corresponding to the vertices of the triangle. In this case, the central heating portion 2 may be formed to have a circular shape as a whole, and each of the peripheral heating portions 3G, 3G', 3G'' may be formed to have a triangular shape as a whole. The peripheral heat generating portions 3G, 3G', 3G'' may be arranged with spaces between them so that a part of the central heat generating portion 2 is exposed to the outside.

[0071] The first central heating wire 21 of the central heating part 2 may be formed to have a curved surface. The second central heating wire 22 of the central heating part 2 may be formed to have a curved surface at a position spaced apart from the first central heating wire 21.

[0072] The peripheral heating unit 3 forms a second heating area HA2 having a second temperature T2 at the peripheral area SA of the support unit 4. The peripheral heating units 3 may be arranged outside the central heating unit 2 so as to be spaced apart from each other in groups. The peripheral heating units 3 may form the second heating area HA2 having a second temperature T2 that is the same as the first temperature T1 of the first heating area HA1. This can be seen from FIG. 9, which shows the results of a three-dimensional thermal fluid analysis (CFD, Computational Fluid Dynamics) on the heating areas HA1 and HA2 in the vehicle heating device 1 according to the present invention. FIG. 9 shows the temperatures of the heating areas HA1 and HA2 in the vehicle heating device 1 according to the present invention. The bar on the left side of FIG. 9 indicates that the temperature increases as the bar is positioned higher.

[0073] As shown in Figure 9, the first temperature T1 of the first heating area HA1 and the second temperature T2 of the second heating area HA2 are the same. Therefore, the vehicle heating device 1 according to the present invention can improve the uniformity of the temperature distribution in the heating areas HA1 and HA2, thereby improving the efficiency of removing frost from the camera 11 and condensation formed on the side mirror 12. As shown in Figure 9, the first temperature T1 and the second temperature T2 can be embodied at approximately 116°C and 113°C, respectively. However, this is merely an example, and the first temperature T1 and the second temperature T2 can be embodied at different temperatures. Also, although Figures 8 and 9 show the vehicle heating device 1 according to the modified embodiment of the present invention as including three peripheral heating units 3G, 3G', and 3G'', this is merely an example, and the vehicle heating device 1 according to the modified embodiment of the present invention can be embodied to include one, two, or four or more peripheral heating units 3.

[0074] The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and it will be apparent to those skilled in the art to which the present invention pertains that various substitutions, modifications, and alterations are possible within the scope of the technical idea of ​​the present invention.

Claims

1. a support portion provided in the vehicle; a peripheral heat generating portion disposed on a periphery of the support portion and configured to generate heat; a central heat generating portion disposed in a central portion adjacent to the peripheral portion for generating heat; the central heat generating portion forms a first heat generating region having a first temperature in the central portion; the peripheral heat generating portion is disposed in the peripheral portion so as to be adjacent to the central heat generating portion, and forms a second heat generating region having a second temperature in the peripheral portion; the central heating part and the peripheral heating part of the support part are formed by a molded interconnection device process using a conductive metal; the central heat generating portion is disposed in the central portion inside the peripheral portion, the peripheral heat generating portion is disposed in the peripheral portion so as to surround the central heat generating portion, the peripheral heating wire included in the peripheral heat generating portion disposed in the peripheral portion is formed to completely surround the remaining portion of the central heating wire included in the central heat generating portion disposed in the central portion, excluding the portion connected to the power supply device; the central heating portion includes a first central heating wire for generating heat in the central portion, the peripheral heat generating unit includes a first peripheral heat wire for generating heat in the peripheral area, The first central heating wire is formed to have a first width, The first peripheral heating wire is formed to have a second width, The heating device for a vehicle, wherein the first width is greater than the second width.

2. A support portion provided in a vehicle; a peripheral heat generating portion disposed on a periphery of the support portion and configured to generate heat; a central heat generating portion disposed in a central portion adjacent to the peripheral portion for generating heat; the central heat generating portion forms a first heat generating region having a first temperature in the central portion; the peripheral heat generating portion is disposed in the peripheral portion so as to be adjacent to the central heat generating portion, and forms a second heat generating region having a second temperature in the peripheral portion; the central heating part and the peripheral heating part of the support part are formed by a molded interconnection device process using a conductive metal; the central heat generating portion is disposed in the central portion inside the peripheral portion, the peripheral heat generating portion is disposed in the peripheral portion so as to surround the central heat generating portion, the peripheral heating wire included in the peripheral heat generating portion disposed in the peripheral portion is formed to completely surround the remaining portion of the central heating wire included in the central heat generating portion disposed in the central portion, excluding the portion connected to the power supply device; the central heating unit includes a first central heating wire for generating heat in the central unit, and a second central heating wire spaced a first distance from the first central heating wire, The peripheral heat generating unit includes a first peripheral heat wire for generating heat in the peripheral portion, and a second peripheral heat wire disposed at a second interval from the first peripheral heat wire, The heating wire device for a vehicle, wherein the first distance is greater than the second distance.

3. A support portion provided in a vehicle; a peripheral heat generating portion disposed on a periphery of the support portion and configured to generate heat; a central heat generating portion disposed in a central portion adjacent to the peripheral portion for generating heat; the central heat generating portion forms a first heat generating region having a first temperature in the central portion; the peripheral heat generating portion is disposed in the peripheral portion so as to be adjacent to the central heat generating portion, and forms a second heat generating region having a second temperature in the peripheral portion; the central heating part and the peripheral heating part of the support part are formed by a molded interconnection device process using a conductive metal; the central heat generating portion is disposed in the central portion inside the peripheral portion, the peripheral heat generating portion is disposed in the peripheral portion so as to surround the central heat generating portion, the peripheral heating wire included in the peripheral heat generating portion disposed in the peripheral portion is formed to completely surround the remaining portion of the central heating wire included in the central heat generating portion disposed in the central portion, excluding the portion connected to the power supply device; the central heating portion includes a plurality of central heating wires for generating heat in the central portion; The central heating wire has a smaller width as it is positioned closer to the peripheral heating portion.

4. A support portion provided in a vehicle; a peripheral heat generating portion disposed on a periphery of the support portion and configured to generate heat; a central heat generating portion disposed in a central portion adjacent to the peripheral portion for generating heat; the central heat generating portion forms a first heat generating region having a first temperature in the central portion; the peripheral heat generating portion is disposed in the peripheral portion so as to be adjacent to the central heat generating portion, and forms a second heat generating region having a second temperature in the peripheral portion; the central heating part and the peripheral heating part of the support part are formed by a molded interconnection device process using a conductive metal; the central heat generating portion is disposed in the central portion inside the peripheral portion, the peripheral heat generating portion is disposed in the peripheral portion so as to surround the central heat generating portion, the peripheral heating wire included in the peripheral heat generating portion disposed in the peripheral portion is formed to completely surround the remaining portion of the central heating wire included in the central heat generating portion disposed in the central portion, excluding the portion connected to the power supply device; the central heating portion includes a plurality of central heating wires for generating heat in the central portion; The central heating wires are spaced apart from one another, and the closer the central heating wires are to the peripheral heat generating portion, the smaller the distance between the central heating wires is.

5. a support portion provided in the vehicle; a central heating portion disposed at a central portion of the support portion; a plurality of peripheral heat generating portions disposed on the outer periphery of the central portion, the central heat generating portion forms a first heat generating region having a first temperature in the central portion; each of the peripheral heat generating portions is disposed on a side different from the other peripheral heat generating portions with respect to the central heat generating portion, and forms a second heat generating region having a second temperature in the peripheral portion; the central heating part and the peripheral heating part of the support part are formed by a molded interconnection device process using a conductive metal; the central heat generating portion is disposed in the central portion inside the peripheral portion, the peripheral heat generating portion is disposed in the peripheral portion so as to surround the central heat generating portion, the peripheral heating wire included in the peripheral heat generating portion disposed in the peripheral portion is formed to completely surround the remaining portion of the central heating wire included in the central heat generating portion disposed in the central portion, excluding the portion connected to the power supply device; the central heating portion includes a first central heating wire for generating heat in the central portion, the peripheral heat generating unit includes a first peripheral heat wire for generating heat in the peripheral area, The first central heating wire is formed to have a first width, The first peripheral heating wire is formed to have a second width, The heating device for a vehicle, wherein the first width is greater than the second width.

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