A decorative piece, a vehicle front engine compartment and a vehicle

Abstract

The embodiment of the application relates to the technical field of vehicles, and discloses a decorative part, a vehicle front engine compartment and a vehicle. The decorative part provided by the application comprises a decorative part body, the decorative part body is arranged on a front engine compartment of a vehicle, a flow guide groove is arranged on the decorative part body, a water guide hole and a water discharge hole penetrating a groove wall of the flow guide groove are arranged on the flow guide groove. The water guide hole is arranged above a component to be cooled in the front engine compartment, water entering the flow guide groove at least partially contacts the component to be cooled through the water guide hole, and the remaining water leaves the flow guide groove through the water discharge hole. The flow guide groove is provided with the water guide hole and the water discharge hole, so that the decorative part has the functions of decoration, water discharge and heat dissipation.

Description

Technical Field

[0001] This application relates to the field of vehicle technology, and more particularly to a decorative element, a vehicle front engine compartment, and a vehicle. Background Technology

[0002] In the design of the front engine compartment of a car, to improve the overall aesthetics when the hood is open, automakers generally use decorative trim pieces to cover the internal structure of the engine compartment. These trim pieces can conceal mechanical components such as the wiper motor, making the engine compartment appear cleaner.

[0003] However, there are also significant drawbacks to arranging such decorative elements. For example, when the wiper motor is working, the decorative element will cover the wiper motor, preventing the heat generated by the wiper motor from being effectively dissipated through natural convection or radiation. Utility Model Content

[0004] In view of this, embodiments of this application provide a decorative component, a vehicle front engine compartment, and a vehicle that, while ensuring decorative functions, also take into account drainage and heat dissipation functions.

[0005] To achieve the above objectives, the technical solution of this application embodiment is implemented as follows:

[0006] In a first aspect, an embodiment of this application provides a decorative component, including a decorative component body, which is used to be disposed on the front engine compartment of a vehicle. The decorative component body is provided with a guide channel, and the guide channel is provided with a water guide hole and a drain hole penetrating the channel wall. The water guide hole is used to be disposed above a component to be cooled in the front engine compartment. At least part of the water entering the guide channel contacts the component to be cooled through the water guide hole, and the remaining water leaves the guide channel through the drain hole.

[0007] This application provides a decorative component that is installed on the front engine compartment of a vehicle. It not only conceals components within the engine compartment, improving its aesthetics, but also provides a mounting base for a cooling channel. When the vehicle is in rain or being washed, water flows down the gaps between the windshield and hood. The cooling channel collects and converges this water flow, directing it in a specific direction. The cooling channel has water guide holes and drain holes penetrating its walls, allowing at least a portion of the water to flow into the guide holes and the remainder into the drain holes. The guide holes are positioned above components requiring heat dissipation within the engine compartment, allowing water to flow onto the surface of these components. This heat exchange lowers the temperature of the components, reducing their thermal load and ensuring their proper functioning. The drain holes allow excess water to drain out, preventing excessive water flow that could overflow the cooling channel and damage other components.

[0008] Therefore, the decorative component provided in this application has a water guide hole and a drain hole in the guide channel. The water guide hole is located above the component to be cooled, so that at least part of the water flows through the water guide hole and contacts the component to be cooled, and heat exchange occurs. The remaining water flows out through the drain hole. Thus, the decorative component is both decorative and has drainage and heat dissipation functions. It not only prevents water from overflowing the guide channel and causing damage to other components, but also reduces the heat load on the component to be cooled, ensuring the normal operation of the component.

[0009] In one possible implementation of this application, a water guiding part is provided in the guide channel, which is used to change the flow direction of water so as to guide water into the water guiding hole.

[0010] In one possible implementation of this application, the water guiding part includes at least one protruding rib disposed within the guide channel.

[0011] In one possible implementation of this application, a plurality of water guide holes are provided, and a plurality of ribs are provided in the flow guide groove. The plurality of ribs cooperate with each other to form a plurality of flow guide channels in the flow guide groove, and the plurality of flow guide channels correspond one-to-one with the plurality of water guide holes.

[0012] In one possible implementation of this application, a drain hole is provided at each end of the guide channel along the extending direction of the guide channel.

[0013] In one possible implementation of this application, the bottom wall of the guide channel is inclined from the middle to both ends along the extension direction of the guide channel, so as to guide the water in the middle of the guide channel to flow toward the drain hole.

[0014] In one possible implementation of this application, a water-permeable protective component is also included. The water-permeable protective component is located on the side of the decorative component body facing the component to be cooled. The water-permeable protective component surrounds the periphery of the water guide hole and contacts the component to be cooled.

[0015] In one possible implementation of this application, the water-permeable protective component is made of a water-wicking sponge.

[0016] Secondly, embodiments of this application provide a vehicle front engine compartment, including a compartment body and a component to be cooled, as well as a decorative component as described in any of the embodiments of the first aspect above. The component to be cooled is located inside the compartment body, the decorative component is disposed on the top of the engine compartment, and the water guide hole of the decorative component is located above the component to be cooled.

[0017] This application provides a vehicle front engine compartment. Since it includes the decorative parts provided in any of the embodiments of the first aspect, the decorative parts applied to the vehicle front engine compartment also have the same technical effects as the decorative parts provided in the first aspect. That is, while the decorative parts are decorative, they also take into account the functions of drainage and heat dissipation. They can not only prevent water from overflowing the guide channel and causing damage to other components, but also reduce the heat load of the components to be cooled and ensure the normal operation of the components to be cooled.

[0018] Thirdly, embodiments of this application provide a vehicle including the decorative element described in any of the embodiments of the first aspect or the vehicle front compartment described in the second aspect.

[0019] This application provides a vehicle front engine compartment. Since it includes the decorative parts provided in any of the embodiments of the first aspect or the vehicle front engine compartment described in the second aspect, the decorative parts used in this vehicle also have the same technical effects as the decorative parts provided in the first aspect or the vehicle front engine compartment described in the second aspect. That is, while being decorative, the decorative parts also take into account drainage and heat dissipation functions. This not only prevents water from overflowing the guide channel and causing damage to other components, but also reduces the heat load of the components to be cooled, ensuring the normal operation of the components to be cooled. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of water flow in a decorative component provided in an embodiment of this application;

[0021] Figure 2 A cross-sectional view (AA) of the decorative element provided in the embodiments of this application;

[0022] Figure 3 A bottom view of the trim piece assembled with the front engine compartment of a vehicle, as provided in an embodiment of this application.

[0023] Figure 4 A partial assembly diagram of the decorative parts provided in this application with the front engine compartment of the vehicle;

[0024] Figure 5 This is a schematic diagram of the structure of the wiper and the heat dissipation component provided in the embodiments of this application.

[0025] Figure label:

[0026] 100 - Decorative part body; 110 - Guide channel; 111 - Water guide hole; 112 - Drain hole; 113 - Rib; 120 - Water-permeable protective part; 130 - Heat dissipation component; 140 - Wiper blade. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the specific technical solutions of this application will be further described in detail below with reference to the accompanying drawings of the embodiments of this application. The following embodiments are used to illustrate this application, but are not intended to limit the scope of this application.

[0028] In the embodiments of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of this application, unless otherwise stated, "multiple" means two or more.

[0029] Furthermore, in the embodiments of this application, directional terms such as "upper," "lower," "left," and "right" are defined relative to the positions in which the components are schematically placed in the accompanying drawings. It should be understood that these directional terms are relative concepts, used for relative description and clarification, and can change accordingly depending on the position of the components in the accompanying drawings.

[0030] In the embodiments of this application, unless otherwise explicitly specified and limited, the term "connection" should be interpreted broadly. For example, "connection" can mean a fixed connection, a detachable connection, or an integral part; it can mean a direct connection or an indirect connection through an intermediate medium.

[0031] In embodiments of this application, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0032] In the embodiments of this application, the terms "exemplary" or "for example" are used to indicate that something is an example, illustration, or description. Any embodiment or design that is described as "exemplary" or "for example" in the embodiments of this application should not be construed as being more preferred or advantageous than other embodiments or design. Specifically, the use of the terms "exemplary" or "for example" is intended to present the relevant concepts in a specific manner.

[0033] This application provides a vehicle embodiment. It should be noted that this application embodiment does not limit the vehicle type. For example, the vehicle in this application embodiment can be a sedan, an off-road vehicle, a multi-purpose vehicle (MPV), or other types of vehicles.

[0034] In this application embodiment, the type of power source of the vehicle is not limited. For example, for a fuel vehicle, the power source may refer to a fuel engine such as a gasoline engine or a diesel engine; for an electric vehicle, the power source may refer to an electric motor; for a hybrid vehicle, the power source may refer to an engine or an electric motor; for a vehicle powered by other means, the power source may refer to a device that generates power.

[0035] The vehicle provided in this application embodiment includes a front engine compartment. The front engine compartment typically includes a body and components to be cooled. The components to be cooled are located within the body. Exemplarily, the body may house components for cooling such as an engine, turbocharger, exhaust manifold, and wiper motor.

[0036] To improve the overall aesthetics of the front engine compartment when the hood is open, automakers commonly use trim pieces to cover the internal structure. These trim pieces can conceal mechanical components such as the wiper motor, resulting in a cleaner-looking front engine compartment.

[0037] In the prior art, decorative trim pieces are typically located above components in the front engine compartment that require heat dissipation, serving to shield these components. These trim pieces usually have drainage holes to allow water flowing into the front engine compartment to be discharged directly to the outside of the vehicle.

[0038] However, these decorative elements also have significant drawbacks. Take the wiper motor as an example: when the wiper motor is operating, it generates a large amount of heat. But because the wiper motor is obscured by the decorative element, this heat cannot be effectively dissipated through natural convection or radiation. This causes the wiper motor to operate under continuous high heat load, easily triggering the protection mechanism due to overheating, resulting in a reduction in wiper speed and directly affecting wiping performance, posing a safety hazard when driving in rainy weather.

[0039] Therefore, how to make decorative parts have both decorative functions and heat dissipation and drainage functions is a technical problem that urgently needs to be solved.

[0040] In view of this, the present application provides a decorative component, including a decorative component body with a guide channel. The guide channel has a water guide hole and a drain hole. The water guide hole is located above the component to be cooled, allowing at least a portion of the water to flow through the water guide hole and contact the component to be cooled, resulting in heat exchange. The remaining water flows out through the drain hole. This allows the decorative component to serve both decorative and drainage / cooling functions, preventing water from overflowing the guide channel and damaging other components, while also reducing the heat load on the component to be cooled and ensuring its normal operation.

[0041] The following description, in conjunction with the accompanying drawings and embodiments, further illustrates a decorative component provided in the present application.

[0042] See Figure 1 This application provides a decorative component, which includes a component body 100. The component body 100 is disposed on the front engine compartment of a vehicle, and a guide channel 110 is provided on the component body 100. The guide channel 110 is provided with a water guide hole 111 and a drain hole 112 penetrating the channel wall of the guide channel 110. The water guide hole 111 is disposed above a component 130 to be cooled inside the front engine compartment. At least part of the water entering the guide channel 110 contacts the component 130 to be cooled through the water guide hole 111, and the remaining water leaves the guide channel 110 through the drain hole 112.

[0043] When the vehicle is in the rain or during a car wash, rainwater or water will flow down through the gaps in the windshield and hood. The deflector channels 110 in the trim collect and gather this water. Guided by the deflector channels 110, at least a portion of the water flows through the drain holes 111 to the heat-dissipating component 130 located in the front engine compartment. Exemplarily, all or part of the water can flow into the drain holes 111. Upon contact with the surface of the heat-dissipating component 130, the water rapidly vaporizes, absorbing a significant amount of heat and thus quickly cooling the component 130.

[0044] When the water flow rate entering the guide channel 110 is too large, exceeding the amount that the guide hole 111 can divert, the excess rainwater or water will continue to move along the guide channel 110 and eventually be discharged from the drain hole 112, thereby balancing the needs of heat dissipation and drainage.

[0045] In this application, the medium flowing into the guide channel 110 can be water, rainwater or other cooling medium. No further limitation is made in this application, as long as it can exchange heat with the component 130 to be cooled.

[0046] For example, see Figure 1 , Figure 3 and Figure 5The heat dissipation component 130 can be a wiper motor, which drives the wiper 140. The trim piece is located above the wiper motor. When the vehicle is traveling in rainy weather, the wiper 140 wipes away rainwater from the windshield by swinging. Rainwater flows into the engine compartment through the gap between the windshield and the hood and collects in the guide channel 110 of the trim piece.

[0047] See Figure 1 Some rainwater along Figure 1 The water flows into the water guide hole 111 and onto the surface of the wiper motor. Another portion of the rainwater is discharged to the outside of the vehicle through the drain hole 112. When the rainwater comes into contact with the surface of the wiper motor, it quickly vaporizes. This vaporization process absorbs a large amount of heat, rapidly cooling the wiper motor and ensuring its normal operation. This prevents the wiper speed from decreasing and reduces driving safety hazards in rainy weather.

[0048] This application provides a decorative component, which is installed on the front engine compartment of a vehicle via a decorative component body 100. It not only conceals components within the engine compartment, improving its aesthetics, but also provides a mounting base for a guide channel 110. When the vehicle is in rain or being washed, water flows down the gaps between the windshield and the hood. The guide channel 110 collects and converges this water flow, thus directing it in a specific direction. The guide channel 110 has a water guide hole 111 and a drain hole 112 penetrating the channel wall, allowing at least a portion of the water to flow into the water guide hole 111 and the remainder into the drain hole 112. The water guide hole 111 is located above a component 130 to be cooled within the engine compartment, allowing water flowing into it to reach the surface of the component 130. Heat exchange occurs between the water and the component 130, lowering its temperature and thus reducing its thermal load, ensuring its normal operation. The drain hole 112 can drain excess water, thus preventing excessive water flow from overflowing the guide channel 110 and causing damage to other components.

[0049] Therefore, the decorative component provided in this application embodiment has a water guide hole 111 and a drain hole 112 in the guide channel 110. The water guide hole 111 is located above the component 130 to be cooled, so that at least part of the water flows through the water guide hole 111 to contact the component 130 to be cooled and exchange heat, while the remaining water flows out through the drain hole 112. Thus, the decorative component is both decorative and has drainage and heat dissipation functions. It can not only prevent water from overflowing the guide channel 110 and causing damage to other components, but also reduce the heat load of the component 130 to be cooled, ensuring the normal operation of the component 130 to be cooled.

[0050] See Figure 1 and Figure 4In some embodiments, a water guiding part is provided in the guide channel 110, which is used to change the flow direction of water so as to guide water into the water guiding hole 111.

[0051] When water flows through the guide channel 110, the water guide can actively intervene and redistribute the direction of water flow, so that the water flow changes its original flow path, thereby concentrating the water flow into the guide hole 111, improving the water flow efficiency entering the guide hole 111, ensuring that the water flow is accurately guided to the heat dissipation component, and improving the heat dissipation efficiency.

[0052] For example, the water guide can be a water collecting bucket, which allows the water to flow through a narrowing area before flowing into the water guide hole 111, thereby collecting the water flow and making the water flow concentrated and smoothly enter the water guide hole 111.

[0053] In some embodiments, the water guiding portion includes at least one rib 113 disposed within the guide channel 110.

[0054] When water flows, it is blocked by the rib 113, causing the water to flow along the extension direction of the rib 113 and eventually flow into the water guide hole 111. Unguided water or residual water is discharged through the drain hole 112. The rib 113 improves the water flow efficiency into the water guide hole 111, ensuring that more water is delivered to the surface of the component to be cooled 130 to enhance the evaporative cooling effect.

[0055] Meanwhile, the ribs 113 also serve to disturb the water flow and distribute the flow field evenly, preventing the water flow from stagnating locally or failing to drain properly within the guide channel 110. This ensures the reliability of the drainage function and the overall stability of the guide channel 110 while optimizing heat dissipation performance.

[0056] The rib 113 can be an oblique rib 113, a "V" shaped rib 113, an arc-shaped rib 113, or a straight rib 113. In this application, the shape of the rib 113 and its position relative to the water guide hole 111 are not further limited, as long as it can guide the water flow to the water guide hole 111.

[0057] Furthermore, the height of the rib 113 can be lower than the wall of the guide channel 110. In this application, the height of the rib 113 is not further limited, as long as the water flow rate of the guide hole 111 guided by the rib 113 can meet the heat dissipation requirements of the component 130 to be cooled.

[0058] In some embodiments, multiple water guide holes 111 are provided, and multiple ribs 113 are provided in the flow guide groove 110. The multiple ribs 113 cooperate with each other to form multiple flow guide channels in the flow guide groove 110, and the multiple flow guide channels correspond one-to-one with the multiple water guide holes 111.

[0059] When water enters the guide channel 110, multiple ribs 113 work together to divide and guide the water flow, distributing it into different guide channels and directing it along specific paths to the corresponding guide holes 111. This achieves refined management and efficient distribution of the water flow, ensuring a stable and sufficient water supply to each guide hole 111, significantly improving heat dissipation efficiency. Furthermore, the multiple guide holes 111 prevent the risk of the entire structure failing due to blockage of a single guide hole 111, thus improving stability.

[0060] In some embodiments, a drain hole 112 is provided at each end of the guide channel 110 along the extending direction of the guide channel 110.

[0061] By providing a drain hole 112 at each end of the extension direction of the guide channel 110, a bidirectional drainage path can be constructed. When water enters the guide channel 110, due to the structure of the guide channel 110 and the ribs 113, part of the water flows through the guide hole 111 to the heat dissipation component 130, while the remaining water flows along the bottom of the guide channel 110 to both ends and is discharged synchronously through the drain holes 112 at both ends.

[0062] With a drain hole 112 at each end of the guide channel 110, the efficiency of clearing water accumulated in the guide channel 110 is significantly accelerated, avoiding the risk of drainage delay or overflow caused by blockage of a single drain hole 112 or restriction of water flow direction.

[0063] Meanwhile, each end of the guide channel 110 is provided with a drain hole 112, which enhances the adaptability of the guide channel 110 to water flow in different directions. Regardless of whether the vehicle is climbing, tilting or in dynamic driving conditions, it can ensure that the accumulated water is quickly discharged from the drain hole 112, thereby comprehensively improving the system's drainage reliability, anti-interference ability and heat dissipation stability, and ensuring that the decorative parts can take into account both efficient heat dissipation and drainage functions under various working conditions.

[0064] In some embodiments, along the extending direction of the guide channel 110, the bottom wall of the guide channel 110 is inclined from the middle to both ends to guide the water in the middle of the guide channel 110 to flow toward the drain hole 112.

[0065] When water enters the central area of ​​the guide channel 110, the inclined bottom wall causes the water to split into two streams at both ends under the influence of gravity, eventually flowing to the drainage holes 112 at both ends for discharge. The bottom wall of the guide channel 110 is inclined from the middle to both ends, utilizing gravity to achieve efficient collection and rapid diversion of the water flow, significantly reducing the residence time of the water flow in the guide channel 110.

[0066] Meanwhile, the inclined bottom wall and the drainage holes 112 at both ends work together to form a two-way drainage path from the center to both ends, which can ensure stable drainage under different vehicle operating conditions, further optimize the drainage efficiency of the guide channel 110, and enhance the drainage reliability of the drainage holes 112, thereby continuously ensuring efficient heat dissipation and drainage functions in complex operating environments.

[0067] See Figure 2 and Figure 3 In some embodiments, the decorative component also includes a water-permeable protective component 120, which is located on the side of the decorative component body 100 facing the heat dissipation component 130. The water-permeable protective component 120 surrounds the periphery of the water guide hole 111 and contacts the heat dissipation component 130.

[0068] When water passes through the water guide hole 111, it flows through the water-permeable protective component 120 and then onto the surface of the component to be cooled 130. The water-permeable protective component 120 allows water to flow smoothly and evenly over the surface of the component to be cooled 130. The water-permeable protective component 120 ensures that the water flows evenly over the surface of the component to be cooled 130, preventing water from concentrating on a single point and thus avoiding uneven local thermal stress on the component to be cooled 130.

[0069] Meanwhile, the permeable protective component 120 can block solid debris such as leaves and gravel from entering the area of ​​the heat dissipation component 130, thus avoiding the impact of impurities on the heat dissipation component 130 and improving the service life of the heat dissipation component 130.

[0070] In some embodiments, the water-permeable protective element 120 is made of a water-wicking sponge.

[0071] The water-wicking sponge has micropores inside, and through the capillary action generated by the micropores, the water flow can be evenly diffused throughout the entire water-wicking sponge.

[0072] When water flows through the water guide hole 111, the water-guiding sponge quickly absorbs the water through its micropores and uses capillary force to evenly diffuse the water across the entire contact surface, thus ensuring continuous and stable contact between the water and the surface of the component to be cooled 130. Simultaneously, the water-guiding sponge effectively blocks the passage of solid particles and impurities. The capillary action generated by the micropores enhances the uniformity of water distribution, preventing water splashing or localized water accumulation, while fully utilizing the physical filtration properties of the water-guiding sponge to prevent foreign objects from entering the component to be cooled 130.

[0073] Furthermore, when the vehicle is in motion, the front engine compartment generates a significant amount of radiant heat. This heat can be transferred to the passenger compartment. The water-wicking sponge can directly cool the components 130 in the front engine compartment, thereby lowering the overall temperature. Simultaneously, the sponge can cool the hot air in the front engine compartment, reducing the amount of hot air entering the passenger compartment and ensuring passenger comfort.

[0074] Secondly, this application also provides a vehicle front engine compartment. The vehicle front engine compartment includes a compartment body and a heat dissipation component 130, as well as a decorative component provided in any of the above embodiments. The heat dissipation component 130 is located inside the compartment body, the decorative component is disposed on the top of the engine compartment, and the water guide hole 111 of the decorative component is located above the heat dissipation component 130.

[0075] The hull and the heat-dissipating component 130 have been described above and will not be repeated here.

[0076] Since the vehicle provided in this application includes the decorative parts provided in any embodiment of this application, the vehicle provided in this application has the same effect, that is, it can make the decorative parts decorative while taking into account the functions of drainage and heat dissipation. It can not only prevent water from overflowing the guide groove 110 and causing damage to other components, but also reduce the heat load of the component to be cooled 130 and ensure the normal operation of the component to be cooled 130.

[0077] Additionally, this application also provides a vehicle. The vehicle includes the trim or front engine compartment provided in any of the embodiments described above.

[0078] Since the vehicle provided in this application includes the decorative parts or the front engine compartment of the vehicle provided in any embodiment of this application, the vehicle provided in this application has the same effect, that is, the decorative parts can be decorative while taking into account the functions of drainage and heat dissipation. This not only prevents water from overflowing the guide channel 110 and causing damage to other components, but also reduces the heat load of the component to be cooled 130 and ensures the normal operation of the component to be cooled 130.

[0079] The sequence numbers of the embodiments in this application are for descriptive purposes only and do not represent the superiority or inferiority of the embodiments. The above are merely preferred embodiments of this application and do not limit the patent scope of this application. Any equivalent structural or procedural transformations made based on the content of this application's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this application.

Claims

1. A decorative element, characterized in that, The device includes a decorative body (100) for installation on the front engine compartment of a vehicle. The decorative body (100) is provided with a guide channel (110). The guide channel (110) is provided with a water guide hole (111) and a drain hole (112) penetrating the channel wall. The water guide hole (111) is located above the heat dissipation component (130) in the front engine compartment. At least part of the water entering the guide channel (110) contacts the heat dissipation component (130) through the water guide hole (111), and the remaining water leaves the guide channel (110) through the drain hole (112).

2. The decorative component according to claim 1, characterized in that, The guide channel (110) is provided with a water guide section, which is used to change the flow direction of water so as to guide water into the water guide hole (111).

3. The decorative component according to claim 2, characterized in that, The water guiding part includes at least one protruding rib (113) disposed in the guide channel (110).

4. The decorative component according to claim 3, characterized in that, The water guide hole (111) is provided in a plurality of ways, and the guide groove (110) is provided with a plurality of ribs (113). The plurality of ribs (113) cooperate with each other to form a plurality of guide channels in the guide groove (110). The plurality of guide channels correspond one-to-one with the plurality of water guide holes (111).

5. The decorative component according to claim 1, characterized in that, Along the extension direction of the guide channel (110), each end of the guide channel (110) is provided with a drain hole (112).

6. The decorative element according to claim 5, characterized in that, Along the extension direction of the guide channel (110), the bottom wall of the guide channel (110) is inclined from the middle to both ends to guide the water in the middle of the guide channel (110) to flow toward the drain hole (112).

7. The decorative element according to any one of claims 1-6, characterized in that, It also includes a water-permeable protective component (120), which is located on the side of the decorative component body (100) facing the heat dissipation component (130). The water-permeable protective component (120) surrounds the water guide hole (111) and is in contact with the heat dissipation component (130).

8. The decorative element according to claim 7, characterized in that, The permeable protective component (120) is made of water-wicking sponge.

9. A vehicle front engine compartment, characterized in that, It includes a cabin and a heat-dissipating component (130), and a decorative element as described in any one of claims 1-8, wherein the heat-dissipating component (130) is located inside the cabin, the decorative element is disposed on the top of the cabin, and the water guide hole (111) of the decorative element is located above the heat-dissipating component (130).

10. A vehicle, characterized in that, Includes the trim piece as described in any one of claims 1-8 or the vehicle front engine compartment as described in claim 9.

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