A chassis wiring harness guard plate with an airflow guiding structure

Abstract

This invention discloses a chassis wiring harness cover with an airflow guiding structure, comprising a cover housing, an air inlet baffle, a cover, an air outlet baffle, and a first driving source. The cover housing has a first cavity, a first air inlet, a first air outlet, a second cavity, a first opening, a second air inlet, and a second air outlet; the first air inlet, the first cavity, and the first air outlet are sequentially connected, and the second air inlet, the second cavity, the first opening, the first cavity, and the second air outlet are sequentially connected; the first driving source drives the air inlet baffle to rotate and connect to the cover housing, closing the second air inlet in a first position and closing the first air inlet in a second position; the cover rotates and connects to the cover housing, closing the first opening in the first position and opening the first opening and closing the first air outlet in the second position; the air outlet baffle rotates and connects to the cover housing to open and close the second air outlet. This improves the heat dissipation effect in the wiring harness area.

Description

Technical Field

[0001] This invention relates to the field of automotive auxiliary accessories technology, and in particular to a chassis wiring harness guard plate with an airflow guiding structure. Background Technology

[0002] A chassis wiring harness cover is a rigid or semi-rigid covering component installed under the vehicle chassis to protect exposed wiring harnesses. It is typically made of plastic, metal, or composite materials. Its main function is to protect the wiring harnesses from physical damage caused by flying stones, mud, road debris, and chassis scraping during vehicle operation. It also provides fixation, guidance, and heat insulation, preventing the wiring harnesses from being worn or short-circuited due to vibration, high temperatures, or contact with moving parts. It is commonly found in areas with dense wiring harnesses and susceptible to external interference, such as under the engine compartment, inside the longitudinal beams of the vehicle body, or near the rear axle.

[0003] During vehicle operation, to prevent heat buildup in the wiring harness area, airflow channels are typically created in the chassis wiring harness guard plate to aid heat dissipation. However, existing chassis wiring harness guard plates often neglect airflow direction in their design, resulting in inadequate airflow coverage of the wiring harness area and unsatisfactory heat dissipation. Summary of the Invention

[0004] In order to overcome the shortcomings of the prior art, the purpose of this invention is to provide a chassis wiring harness guard plate with an airflow guiding structure, which can improve the heat dissipation effect of the wiring harness area.

[0005] The objective of this invention is achieved through the following technical solution:

[0006] A chassis wiring harness guard plate with an airflow guiding structure is characterized in that it comprises: a guard plate shell, an air inlet baffle, a cover, an air outlet baffle, and a first driving source;

[0007] The protective shell has a first cavity, a first air inlet, a first air outlet, a second cavity, a first opening, a second air inlet, and a second air outlet. The first cavity is used for placing the wire harness. The first air inlet, the first cavity, and the first air outlet are connected sequentially along a first gas flow direction. The second air inlet, the second cavity, the first opening, the first cavity, and the second air outlet are connected sequentially along a second gas flow direction. The second air outlet connects the first cavity to the outside. The first air inlet, the second air outlet, the wire harness, and the first air outlet are arranged at intervals along a first horizontal direction.

[0008] The air inlet baffle is rotatably connected to the protective plate housing so that the air inlet baffle can switch between a first position and a second position. When the air inlet baffle is in the first position, the air inlet baffle closes the second air inlet so that airflow enters the first cavity; when the air inlet baffle is in the second position, the air inlet baffle closes the first air inlet so that airflow enters the second cavity.

[0009] The cover is rotatably connected to the protective plate housing and is located on the second gas flow path, so that the cover opens or closes the first opening; when the air inlet baffle is in the first position, the cover closes the first opening; when the air inlet baffle is in the second position, the cover opens the first opening and closes the first exhaust port.

[0010] The air outlet baffle is rotatably connected to the protective plate housing and is located on the second gas flow path, so that the air outlet baffle opens or closes the second exhaust port;

[0011] The first driving source is connected to the air inlet damper.

[0012] Furthermore, the chassis wiring harness guard plate with airflow guiding structure also includes a second drive source, a third drive source, and a circuit control system. The second drive source is driven connected to the air outlet baffle; the third drive source is driven connected to the cover; and the circuit control system is electrically connected to the first drive source, the second drive source, and the third drive source, respectively.

[0013] Furthermore, the first cavity and the second cavity are arranged sequentially along the direction of gravity; the air inlet baffle is hinged to the protective plate housing via a first hinge shaft, the first hinge shaft extends along a second horizontal direction, and the first drive source is drivenly connected to the first hinge shaft; the cover is hinged to the protective plate housing via a second hinge shaft, the second hinge shaft extends along a second horizontal direction, and the second drive source is drivenly connected to the second hinge shaft; the air outlet baffle is linkedly connected to the protective plate housing via a first rotating shaft, and the third drive source is drivenly connected to the first rotating shaft.

[0014] Furthermore, the chassis wiring harness guard plate with an airflow guiding structure also includes a transmission component, which is linked to the first hinge shaft, the second hinge shaft, and the first rotating shaft.

[0015] Furthermore, the protective plate housing also has a third cavity, in which the first drive source and the transmission component are both located.

[0016] Furthermore, the second cavity is provided with a guide slope, the lower side of which is connected to the bottom wall of the second cavity, and the higher side of which is connected to the first opening, so as to guide the airflow entering the second cavity into the first cavity.

[0017] Furthermore, the chassis wiring harness guard plate with airflow guiding structure also includes a temperature sensor, which is connected to the guard plate housing and located in the first cavity. The temperature sensor is used to detect the temperature of the wiring harness downstream along the first airflow direction; the temperature sensor is electrically connected to the circuit control system.

[0018] Furthermore, at least two transmission components are provided, and the at least two transmission components are spaced apart along the second horizontal direction on opposite sides of the protective plate housing; at least two third cavities are provided, and the at least two third cavities are spaced apart along the second horizontal direction on opposite sides of the protective plate housing.

[0019] Furthermore, the outer bottom wall of the protective plate housing is a component made of metal material.

[0020] Furthermore, the second exhaust vent has a grille-like structure.

[0021] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0022] 1. The protective shell has a first cavity, a first air inlet, a first air outlet, a second cavity, a first opening, a second air inlet, and a second air outlet. The first cavity is used to house the wire harness. The first air inlet, the first cavity, and the first air outlet are sequentially connected along a first gas flow direction. The second air inlet, the second cavity, the first opening, the first cavity, and the second air outlet are sequentially connected along a second gas flow direction. The second air outlet connects the first cavity to the outside. The first air inlet, the second air outlet, the wire harness, and the first air outlet are sequentially spaced along a first horizontal direction. This arrangement constructs two independent but interconnected air supply lines. The gas flow path includes a first gas flow direction that allows airflow to directly pass through the wiring harness area for cooling. However, the wiring harness area downstream of the first gas flow direction can only receive airflow from the upstream wiring harness area, which may result in poor heat dissipation. In this case, the second gas flow direction forms a bypass path through the second cavity, allowing airflow to enter the wiring harness area from the other side, thereby cooling the wiring harness area downstream of the first gas flow direction first. Through this alternating cooling configuration, the airflow can flow evenly through all parts of the wiring harness, avoiding local heat accumulation, thereby improving the heat dissipation coverage and heat dissipation effect.

[0023] 2. The air inlet baffle is rotatably connected to the protective shell, allowing it to switch between a first position and a second position. When the air inlet baffle is in the first position, it closes the second air inlet, allowing airflow into the first cavity. When the air inlet baffle is in the second position, it closes the first air inlet, allowing airflow into the second cavity. By rotating the air inlet baffle, the airflow entry channel can be actively selected, thus achieving two different heat dissipation modes: in the first position, the wiring harness is directly cooled; in the second position, the second cavity is used as a guide channel to change the airflow inlet direction, allowing airflow to enter the wiring harness area from the other side, thereby first cooling the wiring harness area downstream of the first gas flow direction. This switchable design allows for flexible adjustment of the air intake path based on the heat accumulation in the wiring harness area at different positions, thereby improving the heat dissipation effect.

[0024] 3. Based on the rotatable connection between the cover and the protective plate housing, and its location on the second gas flow path, the cover can open or close the first opening. When the air inlet baffle is in the first position, the cover closes the first opening; when the air inlet baffle is in the second position, the cover opens the first opening and closes the first exhaust port. This configuration enables the cover and the air inlet baffle to form a linkage control. When the air inlet baffle is in the first position, the cover closes the first opening to prevent airflow from the first cavity from flowing into the second cavity, allowing the airflow to directly exhaust from the first exhaust port after cooling the wiring harness area. In the second position, the cover opens the first opening and simultaneously closes the first exhaust port, forcing the airflow from the second cavity into the first cavity through the first opening, and then it can only be exhausted from the second exhaust port, thereby directly acting on the wiring harness area located downstream of the first gas flow direction. This achieves the switching of the airflow path, enabling the airflow bypass cooling mode to be executed, and enhancing the switching reliability under different heat dissipation conditions.

[0025] 4. The air outlet baffle is rotatably connected to the protective shell and located on the second gas flow path, so that the air outlet baffle can open or close the second exhaust port; the air outlet baffle independently controls the opening and closing of the second exhaust port. When the air inlet baffle is in the first position, the second exhaust port can be closed, so that the airflow is discharged only from the first exhaust port, maintaining the unidirectional flow of the first gas flow direction; when the air inlet baffle is in the second position, the second exhaust port is opened, providing a smooth outlet for the second gas flow direction, avoiding airflow stagnation due to poor exhaust, thereby improving the heat exchange effect on the wire harness. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of a chassis wiring harness guard plate with an airflow guiding structure according to the present invention;

[0027] Figure 2 for Figure 1 A sectional view;

[0028] Figure 3for Figure 1 A cross-sectional view of the third cavity.

[0029] In the diagram: 1. Protective plate housing; 101. First cavity; 102. First air inlet; 103. First air outlet; 104. Second cavity; 1041. Air guide slope; 105. First opening; 106. Second air inlet; 107. Second air outlet; 2. Air inlet baffle; 3. Cover; 4. Air outlet baffle; 5. First drive source; 6. First hinge shaft; 7. Second hinge shaft; 8. First rotating shaft; 9. Transmission component; 10. Third cavity; 11. Temperature sensor. Detailed Implementation

[0030] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0031] It should be noted that when an element is described as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is described as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementations.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0033] See Figures 1-3 A preferred embodiment of the present invention provides a chassis wiring harness guard plate with an airflow guiding structure, comprising: a guard plate housing 1, an air inlet baffle 2, a cover 3, an air outlet baffle 4, and a first driving source 5;

[0034] The protective shell 1 has a first cavity 101, a first air inlet 102, a first air outlet 103, a second cavity 104, a first opening 105, a second air inlet 106, and a second air outlet 107. The first cavity 101 is used for placing the wire harness. The first air inlet 102, the first cavity 101, and the first air outlet 103 are connected sequentially along a first gas flow direction. The second air inlet 106, the second cavity 104, the first opening 105, the first cavity 101, and the second air outlet 107 are connected sequentially along a second gas flow direction. The second air outlet 107 connects the first cavity 101 to the outside. The first air inlet 102, the second air outlet 107, the wire harness, and the first air outlet 103 are connected along a first horizontal direction. The airflow paths are arranged alternately to create two independent yet interconnected gas flow paths. The first gas flow direction allows airflow to directly pass through the wiring harness area for cooling. However, the wiring harness area downstream of the first gas flow direction can only receive airflow from the upstream wiring harness area, which may result in poor heat dissipation. In this case, the second gas flow direction forms a bypass path through the second cavity 104, allowing airflow to enter the wiring harness area from the other side, thereby cooling the wiring harness area downstream of the first gas flow direction first. Through this alternating cooling arrangement, the airflow can flow evenly through all parts of the wiring harness, avoiding local heat accumulation, thereby improving the heat dissipation coverage and heat dissipation effect.

[0035] The air inlet baffle 2 is rotatably connected to the protective shell 1, allowing the air inlet baffle 2 to switch between a first position and a second position. When the air inlet baffle 2 is in the first position, it closes the second air inlet 106, allowing airflow to enter the first cavity 101. When the air inlet baffle 2 is in the second position, it closes the first air inlet 102, allowing airflow to enter the second cavity 104. By rotating the air inlet baffle 2, the airflow entry channel can be actively selected, thereby achieving two different heat dissipation modes: in the first position, the wiring harness is directly cooled; in the second position, the second cavity 104 is used as a guide channel to change the airflow inlet direction, allowing airflow to enter the wiring harness area from the other side, thus first cooling the wiring harness area downstream of the first gas flow direction. This switchable design allows for flexible adjustment of the air intake path according to the heat accumulation in the wiring harness area at different positions, thereby improving the heat dissipation effect.

[0036] The baffle 3 is rotatably connected to the protective plate housing 1 and is located on the second gas flow path, so that the baffle 3 opens or closes the first opening 105; when the air inlet baffle 2 is in the first position, the baffle 3 closes the first opening 105; when the air inlet baffle 2 is in the second position, the baffle 3 opens the first opening 105 and closes the first exhaust port 103; this arrangement enables the baffle 3 and the air inlet baffle 2 to form a linkage control, and when the air inlet baffle 2 is in the first position, the baffle 3 closes the first opening 105 to prevent the airflow of the first cavity 101 from flowing into the second cavity 103. The cavity 104 allows the airflow to cool the wiring harness area and then directly exit from the first exhaust port 103. In the second position, the cover 3 opens the first opening 105 and simultaneously closes the first exhaust port 103, forcing the airflow from the second cavity 104 through the first opening 105 into the first cavity 101, and then it can only exit from the second exhaust port 107. This directly acts on the wiring harness area located downstream of the first gas flow direction, realizing the switching of the airflow path and enabling the airflow bypass cooling mode to be executed, thus enhancing the switching reliability under different heat dissipation conditions. The rotation of the cover 3 can be achieved by the airflow blowing to open the first opening 105, and by its own weight to close the first opening 105 when there is no airflow; alternatively, a transmission structure such as a motor can be provided as a power source.

[0037] The air outlet baffle 4 is rotatably connected to the protective shell 1 and is located on the second gas flow path, so that the air outlet baffle 4 can open or close the second exhaust port 107. The air outlet baffle 4 independently controls the opening and closing of the second exhaust port 107. When the air inlet baffle 2 is in the first position, the second exhaust port 107 can be closed, so that the airflow is discharged only from the first exhaust port 103, maintaining the unidirectional flow in the first gas flow direction. When the air inlet baffle 2 is in the second position, the second exhaust port 107 is opened, providing a smooth outlet for the second gas flow direction, avoiding airflow stagnation due to poor exhaust, thereby improving the heat exchange effect on the wire harness. Preferably, the air outlet baffle 4 should be inclined outside the vertical surface of the protective shell 1 along the second airflow direction, so that the air outlet baffle 4 can remain closed in the first airflow direction without the influence of airflow, and be pushed open by airflow in the second airflow direction to open the second exhaust port 107. Of course, a transmission device can also be provided to directly provide the power source for the rotation of the air outlet baffle 4.

[0038] The first drive source 5 is connected to the air intake baffle 2. The first drive source 5 enables automated drive control of the air intake baffle 2, allowing it to automatically switch air intake modes based on preset logic or sensor signals such as vehicle speed, temperature, and vibration without manual operation. This provides the chassis wiring harness cover with active thermal management capabilities. This drive connection method facilitates integration with the vehicle's electronic control unit, enabling rapid response to changes in heat dissipation requirements and improving switching speed, thereby enhancing system reliability. The first drive source 5 can be a motor, providing precise position control, or an electromagnet, using electromagnetic force to achieve movement, suitable for scenarios requiring two stable on / off states.

[0039] In the process of using this invention, the first driving source 5 controls the air inlet baffle 2 to switch between a first position and a second position to change the airflow entry path and flow direction. When the air inlet baffle 2 is in the first position, the second air inlet 106 is closed, and the airflow enters the first cavity 101 from the first air inlet 102 to directly cool the wire harness located upstream in the first airflow direction. At the same time, the cover 3 closes the first opening 105 under its own weight or external force, and the air outlet baffle 4 closes the second exhaust port 107 under the action of external force, so that the airflow is discharged from the first exhaust port 103 along the first gas flow direction. When the air inlet baffle 2 is switched to the second position, the second air inlet 106 is closed, and the airflow enters the first cavity 101 to directly cool the wire harness located upstream in the first airflow direction. At the same time, the cover 3 closes the first opening 105 under its own weight or external force, and the air outlet baffle 4 closes the second exhaust port 107 under the action of external force, so that the airflow is discharged from the first exhaust port 103 along the first gas flow direction. When the air inlet baffle 2 is switched to the second position, the second air inlet 106 is closed. In the second position, the first air inlet 102 is closed, and the airflow enters the second cavity 104 from the second air inlet 106. At this time, the cover 3 is blown open by the airflow, thereby opening the first opening 105 and closing the first exhaust vent 103. The air outlet baffle 4 is blown open by the airflow, thereby opening the second exhaust vent 107. The airflow flows sequentially through the second cavity 104 and the first opening 105 along the second gas flow direction and enters the first cavity 101. It directly cools the wire harness located downstream of the first airflow direction first, and finally discharges from the second exhaust vent 107. This achieves airflow guidance for different paths and coverage areas of the wire harness area to optimize the heat dissipation effect.

[0040] The protective shell 1 has a first cavity 101, a first air inlet 102, a first air outlet 103, a second cavity 104, a first opening 105, a second air inlet 106, and a second air outlet 107. The first cavity 101 is used to place the wire harness. The first air inlet 102, the first cavity 101, and the first air outlet 103 are connected sequentially along a first gas flow direction. The second air inlet 106, the second cavity 104, the first opening 105, the first cavity 101, and the second air outlet 107 are connected sequentially along a second gas flow direction. The second air outlet 107 connects the first cavity 101 to the outside. The first air inlet 102, the second air outlet 107, the wire harness, and the first air outlet 103 are connected along a first horizontal direction. The directions are set sequentially and alternately; this arrangement creates two independent but interconnected gas flow paths. The first gas flow direction allows airflow to directly pass through the wiring harness area for cooling. However, the wiring harness area downstream of the first gas flow direction can only receive airflow from the upstream wiring harness area, which may result in poor heat dissipation. In this case, the second gas flow direction forms a bypass path through the second cavity 104, allowing airflow to enter the wiring harness area from the other side, thereby cooling the wiring harness area downstream of the first gas flow direction first. Through this alternating cooling arrangement, the airflow can flow evenly through all parts of the wiring harness, avoiding local heat accumulation, thereby improving the heat dissipation coverage and heat dissipation effect. The air inlet baffle 2 is rotatably connected to the protective shell 1, allowing it to switch between a first position and a second position. When the air inlet baffle 2 is in the first position, it closes the second air inlet 106, allowing airflow into the first cavity 101. When the air inlet baffle 2 is in the second position, it closes the first air inlet 102, allowing airflow into the second cavity 104. By rotating the air inlet baffle 2, the airflow entry channel can be actively selected, thus achieving two different heat dissipation modes: in the first position, the wiring harness is directly cooled; in the second position, the second cavity 104 is used as a guide channel to change the airflow inlet direction, allowing airflow to enter the wiring harness area from the other side, thereby first cooling the wiring harness area downstream of the first gas flow direction. This switchable design allows for flexible adjustment of the air intake path according to the heat accumulation in the wiring harness area at different positions, thereby improving the heat dissipation effect.Based on the fact that the cover 3 is rotatably connected to the protective plate housing 1 and located on the second gas flow path, the cover 3 can open or close the first opening 105; when the air inlet baffle 2 is in the first position, the cover 3 closes the first opening 105; when the air inlet baffle 2 is in the second position, the cover 3 opens the first opening 105 and closes the first exhaust port 103; this arrangement enables the cover 3 and the air inlet baffle 2 to form a linkage control, and when the air inlet baffle 2 is in the first position, the cover 3 closes the first opening 105 to prevent the airflow of the first cavity 101 from flowing into the second cavity 103. The second chamber 104 allows the airflow to cool the wiring harness area and then be discharged directly from the first exhaust port 103. In the second position, the cover 3 opens the first opening 105 and simultaneously closes the first exhaust port 103, forcing the airflow from the second chamber 104 through the first opening 105 into the first chamber 101, and then it can only be discharged from the second exhaust port 107, thus directly acting on the wiring harness area located downstream of the first gas flow direction. This achieves the switching of the airflow path, enables the airflow bypass cooling mode to be executed, and enhances the switching reliability under different heat dissipation conditions. The air outlet baffle 4 is rotatably connected to the protective shell 1 and is located on the second gas flow path, so that the air outlet baffle 4 can open or close the second exhaust port 107. The air outlet baffle 4 independently controls the opening and closing of the second exhaust port 107. When the air inlet baffle 2 is in the first position, the second exhaust port 107 can be closed, so that the airflow is discharged only from the first exhaust port 103, maintaining the unidirectional flow of the first gas flow direction. When the air inlet baffle 2 is in the second position, the second exhaust port 107 is opened, providing a smooth outlet for the second gas flow direction, avoiding airflow stagnation due to poor exhaust, thereby improving the heat exchange effect on the wire harness.

[0041] Preferably, a chassis wiring harness guard plate with an airflow guiding structure further includes a second drive source, a third drive source, and a circuit control system. The second drive source is driven and connected to the air outlet baffle 4; the third drive source is driven and connected to the cover 3; and the circuit control system is electrically connected to the first drive source 5, the second drive source, and the third drive source, respectively. By adding a second drive source and a third drive source to independently drive the air outlet baffle 4 and the cover 3, and by using the circuit control system to achieve centralized electrical connection and coordinated control with the first drive source 5, the air inlet baffle 2, the cover 3, and the air outlet baffle 4 can automatically execute actions according to preset logic or real-time sensor signals, so that each baffle can synchronously switch to the corresponding state under different heat dissipation modes, thereby improving the response speed and reliability of airflow path switching. The second drive source can be a transmission mechanism connected to the first drive source 5, relying on the first drive source 5 to provide driving force for both simultaneously; or a drive device can be selected, such as a brushed DC motor, which is simple to control and only requires adjusting the voltage to change the opening of the air outlet baffle 4; or a stepper motor can be selected, which can achieve precise angular displacement control and is suitable for scenarios that require proportional adjustment of the opening of the second exhaust vent 107. The third drive source can be a transmission mechanism connected to the first drive source 5, which provides driving force to both simultaneously; or it can be a drive device such as a motor, for example, a servo motor with built-in position feedback, which can precisely control the rotation angle of the cover 3; the circuit control system can be a control unit with a microcontroller (MCU) as its core, which is flexible in programming and can integrate temperature or vehicle speed sensor signals to realize linkage control logic; or it can be an integrated vehicle ECU, which can directly utilize the vehicle's existing network data, simplifying the hardware and improving the collaborative control capability.

[0042] Preferably, the first cavity 101 and the second cavity 104 are arranged sequentially along the direction of gravity; the air inlet baffle 2 is hinged to the protective plate housing 1 via the first hinge shaft 6, the first hinge shaft 6 extends along the second horizontal direction, and the first drive source 5 is driven to the first hinge shaft 6; the cover 3 is hinged to the protective plate housing 1 via the second hinge shaft 7, the second hinge shaft 7 extends along the second horizontal direction, and the second drive source is driven to the second hinge shaft 7; the air outlet baffle 4 is linked to the protective plate housing 1 via the first rotating shaft 8, and the third drive source is driven to the first rotating shaft 8. The air inlet baffle 2 is hinged to the protective plate housing 1 via a first hinge shaft 6 extending along the second horizontal direction, and is directly driven by a first drive source 5. The baffle 3 is driven by a second hinge shaft 7 extending along the second horizontal direction and a second drive source. The air outlet baffle 4 is controlled by a third drive source via a first rotating shaft 8, so that the rotation axes of each baffle are arranged along the same horizontal direction. This not only simplifies the transmission structure and reduces motion interference, but also enables independent angle adjustment under the coordination of the circuit control system, thereby improving the response speed and consistency of airflow switching. At the same time, the compact axial arrangement also facilitates the overall lightweight design of the protective plate.

[0043] Preferably, a chassis wiring harness guard plate with an airflow guiding structure further includes a transmission component 9, which is linked to the first hinge shaft 6, the second hinge shaft 7, and the first rotating shaft 8. By setting the transmission component 9, the transmission component 9 is linked to the first hinge shaft 6, the second hinge shaft 7, and the first rotating shaft 8, thereby realizing the mechanical linkage between the air inlet baffle 2, the cover 3, and the air outlet baffle 4. Thus, the first drive source 5 can act as the drive source for the air inlet baffle 2, the cover 3, and the air outlet baffle 4, providing power to the three and controlling their movement, thereby reducing the electrical load and manufacturing cost of the entire vehicle. At the same time, the mechanical linkage method avoids the problem of asynchronous action caused by response delay or control signal error between multiple drive sources, thereby ensuring that the baffles maintain consistent action and rapid response capability during airflow switching.

[0044] Preferably, the protective plate housing 1 also has a third cavity 10, in which the first drive source 5 and the transmission component 9 are both located. By adding a third cavity 10 to the protective plate housing 1 and arranging the first drive source 5 and the transmission component 9 inside the third cavity 10, external damage such as flying stones, mud, and road debris in the chassis driving environment can be effectively isolated, preventing damage to the drive source and transmission component 9 due to direct exposure to the external environment. At the same time, it can prevent interference between the wiring harness or other moving parts and the transmission mechanism. In addition, the third cavity 10 also has a certain heat insulation and noise reduction effect, which can reduce the impact of engine or exhaust system heat radiation on the performance of the drive source and transmission component 9, thereby improving the reliability and working stability of the entire airflow guiding structure under harsh conditions.

[0045] Preferably, the second cavity 104 is provided with a guide slope 1041, the lower side of which is connected to the bottom wall of the second cavity 104, and the higher side of which is connected to the first opening 105, so as to guide the airflow entering the second cavity 104 into the first cavity 101. By providing a guide slope 1041 in the second cavity 104, and making the lower side of the guide slope 1041 connected to the bottom wall of the second cavity 104 and the higher side connected to the first opening 105, the airflow entering the second cavity 104 can be smoothly guided from low to high to the first opening 105, thereby reducing the eddies and flow resistance of the airflow in the cavity, reducing the energy loss of the airflow during the flow process, thereby improving the airflow guidance efficiency and flow utilization rate in the second gas flow direction, so that the airflow entering the second cavity 104 can quickly and concentratedly enter the first cavity 101 and cover the wire harness area, further enhancing the heat dissipation uniformity.

[0046] Preferably, a chassis wiring harness guard plate with an airflow guiding structure further includes a temperature sensor 11. The temperature sensor 11 is connected to the guard plate housing 1 and located within the first cavity 101. The temperature sensor 11 is used to detect the temperature of the wiring harness downstream along the first airflow direction. The temperature sensor 11 is electrically connected to the circuit control system. By setting a temperature sensor 11 connected to the guard plate housing 1 and located within the first cavity 101, and specifically using the temperature sensor 11 to detect the temperature of the wiring harness downstream along the first airflow direction, and simultaneously electrically connecting the temperature sensor 11 to the circuit control system, real-time temperature data of the downstream wiring harness area can be obtained, providing accurate feedback signals to the circuit control system. The circuit control system automatically determines whether the current heat dissipation mode meets the requirements based on the temperature signal, and actively switches the states of the air inlet baffle 2, the cover 3, and the air outlet baffle 4 when an abnormal temperature rise is detected, realizing the adjustment from directly cooling the wiring harness area to bypassing the wiring harness area, avoiding the problem of excessive heat accumulation in the wiring harness area downstream of the first gas flow direction, thereby improving the response speed and heat dissipation effect of the chassis wiring harness guard plate for wiring harness thermal management.

[0047] Preferably, at least two transmission components 9 are provided, and the at least two transmission components 9 are spaced apart on opposite sides of the protective plate housing 1 along the second horizontal direction; at least two third cavities 10 are provided, and the at least two third cavities 10 are spaced apart on opposite sides of the protective plate housing 1 along the second horizontal direction. By providing at least two transmission components 9 and at least two third cavities 10, and placing them spaced apart on opposite sides of the protective plate housing 1 along the second horizontal direction, dual-sided synchronous transmission of the air inlet baffle 2, the baffle 3, and the air outlet baffle 4 can be achieved, avoiding jamming or torsional deformation that may occur with single-sided transmission, thereby improving the smoothness and consistency of the rotation of each baffle; at the same time, the symmetrically arranged third cavities 10 can distribute the drive source and transmission components 9 to both sides of the protective plate, optimizing the overall weight distribution and structural rigidity of the protective plate, reducing the space occupation of a single cavity, and providing redundant transmission paths. Even if one side of the transmission component 9 fails, the other side can still maintain basic functions, thereby enhancing the reliability and service life of the chassis wiring harness protective plate under harsh working conditions such as vibration and impact.

[0048] Preferably, the outer bottom wall of the protective plate housing 1 is a component made of metal. Using a metal component enhances the physical strength of the chassis wiring harness protective plate against impacts from flying stones, road debris, and chassis scratches. Simultaneously, the metal material has excellent thermal conductivity, which helps dissipate heat from the first cavity 101 and the second cavity 104, preventing heat accumulation inside the protective plate. Furthermore, the metal outer bottom wall has higher wear resistance and aging resistance compared to plastic or composite materials, maintaining structural integrity even after long-term exposure to mud, water, salt spray, and high temperatures. This provides reliable airflow guidance and heat dissipation while improving the overall durability of the protective plate and the level of protection for the wiring harness.

[0049] Preferably, the second exhaust vent 107 has a grille-like structure. This design provides sufficient exhaust area to remove hot airflow from the first cavity 101, while the multiple narrow channels of the grille effectively block the reverse intrusion of external flying stones, mud, water, and road debris, preventing foreign objects from clogging the exhaust vent or damaging the internal wiring harness. In addition, the grille-like design can also divide the exhaust airflow into multiple fine jets, reducing turbulence intensity and wind noise, and making the exhaust air more uniform. Thus, while maintaining efficient heat dissipation performance, it improves the overall protective capability of the protective plate and the reliability of long-term operation.

[0050] In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of those different embodiments or examples.

[0051] Furthermore, 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 technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0052] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in this application, and these should all be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A chassis wiring harness boot having an airflow directing structure, characterized by, include: The protective shell has a first cavity, a first air inlet, a first air outlet, a second cavity, a first opening, a second air inlet, and a second air outlet. The first cavity is used to place the wire harness. The first air inlet, the first cavity, and the first air outlet are connected sequentially along a first gas flow direction. The second air inlet, the second cavity, the first opening, the first cavity, and the second air outlet are connected sequentially along a second gas flow direction. The second air outlet connects the first cavity to the outside. The first air inlet, the second air outlet, the wire harness, and the first air outlet are arranged at intervals along a first horizontal direction. An air inlet baffle is rotatably connected to the protective plate housing to switch between a first position and a second position. When the air inlet baffle is in the first position, it closes the second air inlet to allow airflow into the first cavity; when the air inlet baffle is in the second position, it closes the first air inlet to allow airflow into the second cavity. A baffle, which is rotatably connected to the protective plate housing and located on the second gas flow path, so that the baffle opens or closes the first opening; When the air inlet baffle is in the first position, the cover closes the first opening; When the air inlet baffle is in the second position, the cover opens the first opening and closes the first exhaust port; An air outlet baffle is rotatably connected to the protective plate housing and is located on the second gas flow path, so that the air outlet baffle can open or close the second exhaust port; A first driving source is connected to the air intake baffle.

2. A chassis wiring harness boot having an airflow directing structure as defined in claim 1, wherein, The chassis wiring harness guard plate with an airflow guiding structure further includes a second drive source, a third drive source, and a circuit control system. The second drive source is driven connected to the air outlet baffle; the third drive source is driven connected to the cover; and the circuit control system is electrically connected to the first drive source, the second drive source, and the third drive source, respectively.

3. A chassis wiring harness guard plate with an airflow guiding structure according to claim 2, characterized in that, The first cavity and the second cavity are arranged sequentially along the direction of gravity; the air inlet baffle is hinged to the protective plate housing via a first hinge shaft, the first hinge shaft extends along a second horizontal direction, and the first drive source is driven and connected to the first hinge shaft; the cover is hinged to the protective plate housing via a second hinge shaft, the second hinge shaft extends along a second horizontal direction, and the second drive source is driven and connected to the second hinge shaft; the air outlet baffle is linked to the protective plate housing via a first rotating shaft, and the third drive source is driven and connected to the first rotating shaft.

4. A chassis wiring harness guard plate with an airflow guiding structure according to claim 3, characterized in that, The chassis wiring harness guard plate with an airflow guiding structure also includes a transmission component, which is linked to the first hinge shaft, the second hinge shaft and the first rotating shaft.

5. A chassis wiring harness guard plate with an airflow guiding structure according to claim 4, characterized in that, The protective plate housing also has a third cavity, in which the first drive source and the transmission component are both located.

6. A chassis wiring harness guard plate with an airflow guiding structure according to claim 1, characterized in that, The second cavity is provided with a guide slope, the lower side of which is connected to the bottom wall of the second cavity, and the higher side of which is connected to the first opening, so as to guide the airflow entering the second cavity into the first cavity.

7. A chassis wiring harness guard plate with an airflow guiding structure according to claim 2, characterized in that, The chassis wiring harness guard plate with an airflow guiding structure further includes a temperature sensor, which is connected to the guard plate housing and located in the first cavity. The temperature sensor is used to detect the temperature of the wiring harness downstream along the first airflow direction. The temperature sensor is electrically connected to the circuit control system.

8. A chassis wiring harness guard plate with an airflow guiding structure according to claim 5, characterized in that, The transmission component is provided in at least two, and the at least two transmission components are arranged at intervals along the second horizontal direction on opposite sides of the protective plate housing; the third cavity is provided in at least two, and the at least two third cavities are arranged at intervals along the second horizontal direction on opposite sides of the protective plate housing.

9. A chassis wiring harness guard plate with an airflow guiding structure according to claim 1, characterized in that, The outer bottom wall of the protective plate shell is a component made of metal.

10. A chassis wiring harness guard plate with an airflow guiding structure according to claim 1, characterized in that, The second exhaust vent has a grille-like structure.

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