Passenger car door and power battery system

Abstract

The application relates to a passenger car cabin door and a power battery system, which comprises a body, a mounting cavity in the body, an air inlet and an air outlet communicated with the air inlet, a first driving mechanism installed in the mounting cavity, the first driving mechanism comprising a driving cylinder fixed to the mounting cavity, the two ends of the driving cylinder being communicated with the air inlet and the air outlet respectively, the first driving mechanism further comprising a wind driving assembly and a driven assembly connected to the wind driving assembly, the wind driving assembly being rotatably installed in the cavity of the driving cylinder and extending along the axial direction of the driving cylinder, the end of the driven assembly away from the wind driving assembly penetrating the side wall of the driving cylinder and being rotatably installed in the body, a cooling mechanism and a heating mechanism, the cooling mechanism and the heating mechanism being both installed in the mounting cavity and being arranged at intervals from the driving cylinder, and the cooling mechanism and the heating mechanism being both connected with a controller, the controller being used for controlling the heating mechanism or the cooling mechanism to be connected with the driven assembly.

Description

Technical Field

[0001] This application relates to the field of buses, specifically to a bus door and a power battery system. Background Technology

[0002] With the continued electrification of the global bus industry, improving the efficiency and lifespan of bus power batteries has become a major concern for automakers. Currently, besides technological innovation in the manufacturing process of power batteries to enhance their efficiency and lifespan, optimizing operating conditions during use, such as maintaining the power battery within a set temperature range, can also improve its efficiency and lifespan.

[0003] In related technologies, louvers or heat dissipation holes are added to the bus cabin door to cool down the ambient temperature of the power battery, or an electric heating mechanism is added to raise the ambient temperature of the power battery. However, the electric heating mechanism of the power battery usually consumes the vehicle's electrical energy, which affects the vehicle's driving range. Summary of the Invention

[0004] This application provides a bus door and a power battery system, which can solve the technical problem in related technologies where, when adding an electric heating mechanism to raise the ambient temperature of the power battery, the electric heating mechanism usually consumes the vehicle's electrical energy, affecting the vehicle's driving range.

[0005] In a first aspect, embodiments of this application provide a passenger car door, comprising: a body having an installation cavity, and the body having an air inlet and an air outlet communicating with the air inlet; a first drive mechanism installed in the installation cavity, the first drive mechanism including a drive cylinder fixed to the installation cavity, the two ends of the drive cylinder communicating with the air inlet and the air outlet respectively; the first drive mechanism further including a pneumatic component and a driven component connected to the pneumatic component, the pneumatic component being rotatably installed in the cavity of the drive cylinder and extending along the axial direction of the drive cylinder, the end of the driven component away from the pneumatic component penetrating the side wall of the drive cylinder and being rotatably installed on the body; a cooling mechanism and a heating mechanism, both the cooling mechanism and the heating mechanism being installed in the installation cavity and spaced apart from the drive cylinder, and both the cooling mechanism and the heating mechanism being connected to a controller, the controller being used to control the connection of the heating mechanism or the cooling mechanism to the driven component.

[0006] In conjunction with the first aspect, in one embodiment, the cooling mechanism includes: an air guide assembly, the air guide assembly being signal-connected to the controller, the controller being configured to control the air guide assembly to move toward a side closer to the driven assembly, so that the driven assembly drives the air guide assembly to move; a first through hole, the first through hole being formed in the body, the first through hole being used to connect the power battery compartment and the mounting cavity; and a second through hole, the second through hole being formed in the body, the second through hole being used to connect the outside to the mounting cavity, and an air outlet grille being installed at the second through hole.

[0007] In conjunction with the first aspect, in one embodiment, the heating mechanism includes a driving component and a heating element connected to the driving component. The driving component is signal-connected to the controller, and the controller is used to control the driving component to move toward a side closer to the driven component, so that the driven component drives the driving component to move, and the driving component drives the heating element to heat up.

[0008] In conjunction with the first aspect, in one embodiment, the pneumatic assembly includes a first rod extending axially along the drive cylinder and rotatably mounted on the end of the drive cylinder near the air outlet. The first rod is fixed with a plurality of first impellers, and a first gear is fixed at the end of the first rod away from the air outlet. The driven assembly includes a second rod perpendicular to the first rod and penetrating the side wall of the drive cylinder. The end of the second rod away from the first rod is rotatably mounted on the body, and a second gear cooperating with the first gear is fixed at the other end.

[0009] In conjunction with the first aspect, in one embodiment, the air guide assembly includes a third rod extending in a direction perpendicular to the extension direction of the driven assembly. The third rod is mounted on the body, and a first coil is provided on one side of the third rod. The first coil is electrically connected to the controller, which controls the first coil to be energized, so that the first coil drives the third rod to move along the axial direction of the third rod. A plurality of second impellers are fixed on the periphery of the third rod, and a third gear is fixed at one end of the second rod. A fourth gear that meshes with the third gear is also fixed on the second rod.

[0010] In conjunction with the first aspect, in one embodiment, the driving assembly includes a fourth rod mounted on the body, with a fifth gear cooperating with the fourth gear fixed at one end of the fourth rod near the second rod; a second coil is provided on one side of the fourth rod, the second coil being electrically connected to the controller, the controller being used to control the second coil to be energized, so that the second coil drives the fourth rod to move along the axial direction of the fourth rod; the driving assembly also includes a micro motor connected to the fourth rod, and the micro motor being connected to the heating element.

[0011] In conjunction with the first aspect, in one embodiment, the heating element includes a heating wire electrically connected to the micro motor, and the heating wire is disposed around the periphery of the body.

[0012] In conjunction with the first aspect, in one embodiment, the longitudinal section of the drive cylinder is set to be tapered, and the inner diameter of the drive cylinder on the side near the air inlet is larger than the inner diameter of the drive cylinder on the side near the air outlet.

[0013] Secondly, embodiments of this application provide a power battery system, which includes a passenger car door as described above. The power battery system further includes a power battery compartment, on which a power battery is installed, and the power battery compartment is connected to the mounting cavity through the first through hole.

[0014] In conjunction with the second aspect, in one embodiment, a temperature sensor is installed on the periphery of the power battery, and the temperature sensor is signal-connected to the controller.

[0015] The beneficial effects of the technical solutions provided in this application include:

[0016] By installing a pneumatic component in the cavity of the drive cylinder, air can be blown into the cavity of the drive cylinder from the air inlet during the bus's operation, driving the pneumatic component to move. The movement of the pneumatic component can drive the movement of the driven component. When the temperature of the power battery is too high or too low, the controller can control the cooling mechanism or heating mechanism to connect and cooperate with the driven component to achieve the effect of raising or lowering the ambient temperature. This solves the technical problem in related technologies where adding an electric heating mechanism to raise the ambient temperature of the power battery usually requires the electric heating mechanism to consume the entire vehicle's electrical energy, thus affecting the vehicle's driving range. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of a passenger car door provided in an embodiment of this application;

[0019] Figure 2 This is a side view of the power battery system installed in a bus, as provided in an embodiment of this application.

[0020] In the picture:

[0021] 1. Main body; 11. Mounting cavity; 12. Air inlet; 13. Air outlet;

[0022] 21. Drive cylinder; 221. First rod; 222. First impeller; 223. First gear; 231. Second rod; 232. Second gear; 233. Fourth gear;

[0023] 311. Third rod; 312. Second impeller; 313. Third gear; 32. First through hole; 33. Second through hole; 34. Air outlet grille;

[0024] 411. Fourth rod; 412. Fifth gear; 413. Miniature motor; 421. Heating wire;

[0025] 5. Power battery. Detailed Implementation

[0026] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present application.

[0027] This application provides a passenger car door that solves the technical problem in related technologies where adding an electric heating mechanism to raise the ambient temperature of the power battery usually requires the electric heating mechanism to consume the entire vehicle's electrical energy, thus affecting the vehicle's driving range.

[0028] See Figure 1The diagram shows a passenger car door provided in an embodiment of this application. It may include: a body 1, which has an installation cavity 11. The body 1 may refer to a portion of the outer shell of the door. The body 1 has an air inlet 12 and an air outlet 13 communicating with the air inlet 12; a first drive mechanism, which is installed in the installation cavity 11. The first drive mechanism includes a drive cylinder 21, which is fixed to the installation cavity 11. Both ends of the drive cylinder 21 are respectively connected to the air inlet 12 and the air outlet 13; the first drive mechanism also includes a pneumatic assembly and a driven assembly connected to the pneumatic assembly. The pneumatic assembly is rotatably installed within the cavity of the drive cylinder 21. The pneumatic assembly extends axially along the drive cylinder 21. The driven assembly, at one end away from the pneumatic assembly, penetrates the side wall of the drive cylinder 21 and is rotatably mounted on the body 1. Air can enter from the air inlet 12 and drive the pneumatic assembly to rotate, and then flow out from the air outlet 13 to form a circulation. The cooling mechanism and the heating mechanism are both installed in the mounting cavity 11 and spaced apart from the drive cylinder 21. Both the cooling mechanism and the heating mechanism are connected to a controller. The controller controls the heating mechanism or the cooling mechanism to connect to the driven assembly. By connecting the driven assembly to the cooling mechanism or the heating mechanism respectively, the heating or cooling effect at the passenger car door can be achieved.

[0029] This embodiment of the application provides a pneumatic component within the cavity of the drive cylinder 21, allowing air to be blown into the cavity of the drive cylinder 21 from the air inlet 12 during bus operation, thus driving the pneumatic component to move. (See also...) Figure 2 As shown, Figure 2The middle arrow indicates the direction of the wind acting on the drive cylinder 21 during the bus's movement. The movement of the wind-driven component can drive the movement of the driven component. At this time, the drive cylinder 21 divides the mounting cavity 11 inside the main body 1 into at least two cavities. The axis of the drive cylinder 21 can extend along the length of the bus, and the air inlet 12 is biased towards the front of the bus compared to the air outlet 13. When the bus is moving, some air is blown directly into the cavity from the air inlet 12, while some air can be cut into the cavity through the sheet metal structure of the main body 1 near the air inlet 12, thus enhancing the driving force of the wind on the wind-driven component. When the wind-driven component is driven by the wind, it can rotate around the axis of the wind-driven component. After the wind-driven component rotates, it can drive the driven component to move. When the temperature of the power battery 5 is at a suitable temperature, the heating mechanism or the cooling mechanism can be set at a distance from the driven component. However, when the temperature of the power battery 5 is too high or too low, the controller can control the cooling mechanism or the heating mechanism to connect and cooperate with the driven component respectively. The control method can be to drive the cooling mechanism or the heating mechanism to move towards the side closer to the driven component, so that the driven component drives the ambient temperature to rise or fall, thereby achieving the effect of raising or lowering the ambient temperature. This solves the technical problem in related technologies where adding an electric heating mechanism to raise the ambient temperature of the power battery 5 usually requires the electric heating mechanism to consume the vehicle's electrical energy, affecting the vehicle's driving range.

[0030] In some optional embodiments, the cooling mechanism may include: an air guide assembly, which is signal-connected to the controller, the controller being configured to control the air guide assembly to move toward the side closer to the driven assembly, so that the driven assembly drives the air guide assembly to move; a first through hole 32, which is opened in the body 1 and is used to connect the power battery compartment 5 and the mounting cavity 11; and a second through hole 33, which is opened in the body 1 and is used to connect the outside to the mounting cavity 11, and an air outlet grille 34 is installed at the second through hole 33. In this embodiment, the airflow in the mounting cavity 11 can be agitated by the air guide assembly, and the agitated airflow can circulate with the power battery compartment 5 and the outside through the first through hole 32 and the second through hole 33, respectively, thereby achieving cooling in the mounting cavity 11. It should be noted that the first through hole 32 and the second through hole 33 should be spaced apart from the air inlet 12 and the air outlet 13 to minimize mutual influence between the outlets. Furthermore, by setting an air outlet grille 34 at the position of the second through hole 33, when the airflow in the mounting cavity 11 is agitated, as much of the higher-temperature airflow in the power battery 5 compartment can be introduced into the mounting cavity 11 through the first through hole 32 as possible, thereby accelerating the air exchange rate in the power battery 5 compartment and thus speeding up the temperature regulation speed in the power battery 5 compartment.

[0031] In some optional embodiments, the heating mechanism includes a driving component and a heating element connected to the driving component. The driving component is signal-connected to the controller, and the controller is used to control the driving component to move towards the side closer to the driven component, so that the driven component drives the driving component to move, and the driving component drives the heating element to heat up. It should be understood that the bus door can be set close to the mounting cavity 11 of the power battery 5, which is also the power battery 5 compartment described in this application. Therefore, changing the temperature of the door body 1 also changes the ambient temperature of the area around the power battery 5 compartment. In this embodiment, the heating element can be fixed on the inner wall of the body 1, and the heating element heats the body 1, which changes the overall temperature of the sheet metal parts of the body 1 and the mounting cavity 11. Specifically, the driving component and the controller can be connected by an electrical signal. The driving component drives the heating element to work, which can be done by electrically connecting the driving component and the heating element, or by setting other connection methods.

[0032] In some optional embodiments, the pneumatic assembly includes a first rod 221 extending axially along the drive cylinder 21 and rotatably mounted on the end of the drive cylinder 21 near the air outlet 13. The first rod 221 is fixed with a plurality of first impellers 222, and a first gear 223 is fixed at the end of the first rod 221 away from the air outlet 13. The first rod 221 can be directly fixed to the sheet metal structure of the body 1, or it can be rotatably mounted on support beams installed in the mounting cavity 11. In this embodiment, the extension of the first rod 221 along the axis of the drive cylinder 21 ensures that when air blows in from the air inlet 12 and out from the air outlet 13, the wind will not exert too much force directly on the rod, effectively preventing excessive wind speed from damaging the first rod. The component 221 enhances the stability of the first rod 221 during operation. In some other embodiments, a certain inclination angle can also be set between the axis of the first rod 221 and the axis of the drive cylinder 21. The driven component includes a second rod 231, which is perpendicular to the first rod 221 and penetrates the side wall of the drive cylinder 21. One end of the second rod 231 away from the first rod 221 is rotatably mounted on the body 1, and the other end is fixed with a second gear 232 that cooperates with the first gear 223. The perpendicularity of the second rod 231 to the first rod 221 helps the first gear 223 and the second gear 232 to mesh with each other. Specifically, since the first rod 221 and the second rod 231 are perpendicular to each other, the first gear 223 and the second gear 232 can always maintain a meshed state during rotation.

[0033] Preferably, the second rod 231 is fixed to a support beam installed in the mounting cavity 11, and there are multiple connection points between the second rod 231 and the support beam to ensure that the second rod 231 remains in the set position as much as possible during operation. In this embodiment, multiple first impellers 222 are installed on the first rod 221, so that when the multiple first impellers 222 are blown by the wind, they can drive the first rod 221 to rotate around the axis of the first rod 221. With the help of the multiple first impellers 222, even in cases where the wind is weak, the first rod 221 can still rotate. Furthermore, the wind-driven component drives the driven component to move by the meshing of the first gear 223 and the second gear 232. At this time, the second rod 231 also rotates around the axis of the second rod 231. This arrangement can conveniently realize the mutual cooperation between the two components, without using the original electricity or other power sources on the bus, thus saving resources.

[0034] In some optional embodiments, the air guide assembly includes a third rod 311, which extends in a direction perpendicular to the extension direction of the driven assembly, i.e., the third rod 311 can be parallel to the first rod 221. The third rod 311 is mounted on the body 1. In this embodiment, the third rod 311 is also mounted on a support beam in the body 1, and a first coil is provided on one side of the third rod 311. The first coil is electrically connected to the controller, which controls the first coil to be energized, so that the first coil drives the third rod 311 to move along the axial direction of the third rod 311. 11 can be made with an iron core so that the first coil and the third rod 311 form a small electromagnetic relay. By passing current through the first coil, the third rod 311 can move. This movement can refer to a reciprocating motion. Specifically, when current is passed through the first coil, the third rod 311 moves towards the side closer to the second rod 231. When no current is passed through the first coil or the current is insufficient to maintain the connection between the third rod 311 and the second rod 231, the third rod 311 moves towards the side away from the second rod 231. It should be understood that the third rod 311 will move towards the side away from the second rod 231 because... A return spring is installed on the side of the third rod 311 away from the second rod 231. One end of the return spring is fixed to the third rod 311, and the other end is fixed to one of the support beams of the main body. When the third rod 311 moves toward the side closer to the second rod 231, the return spring is stretched. When the power is off, the return spring resets and drives the third rod 311 to move toward the side away from the second rod 231. Multiple second impellers 312 are fixed around the periphery of the third rod 311, and a third gear 313 is fixed to one end of the second rod 231. A fourth gear 233 that meshes with the third gear 313 is also fixed to the second rod 231. In other words, in this embodiment of the application, the air guide component and the driven component cooperate by the meshing of the third gear 313 and the fourth gear 233. Preferably, the fourth gear 233 can be coaxially arranged with the second gear 232. When the fourth gear 233 drives the third gear 313 to rotate, since the third rod 311 is fixed with the third gear 313, the third rod 311 also rotates synchronously. Under the action of multiple second impellers 312, the airflow in the mounting cavity 11 is agitated. Preferably, the first through hole 32 and the second through hole 33 are both arranged close to the third rod 311, so that the gas can reduce the movement distance and accelerate the cooling efficiency when it is exchanged.In some optional embodiments, the driving assembly may include a fourth rod 411, which is mounted on the body 1. A fifth gear 412, cooperating with the fourth gear 233, is fixed to one end of the fourth rod 411 near the second rod 231. Preferably, the first gear 223, second gear 232, third gear 313, fourth gear 233, and fifth gear 412 can all be bevel gears, making them easier to drive when interacting. In this embodiment, the fourth rod 411 is also fixed to a support beam. It should be understood that multiple support beams are provided in this embodiment, arranged alternately within the mounting cavity 11, so that multiple support beams can respectively assist in the installation and fixing of each rod and other mechanisms. A second coil is provided on one side of the fourth rod 411, electrically connected to the controller. The controller is used to control the energization of the second coil, causing the second coil to drive the fourth rod. 411 moves along the axial direction of the fourth rod 411; the fourth rod 411 can also be made of iron material, and the cooperation method between the second coil and the fourth rod 411 can be the same as the cooperation method between the third rod 311 and the first coil. The drive assembly also includes a micro motor 413, which is connected to the fourth rod 411 and the heating element. That is, in this embodiment, the heating element is heated by providing electrical energy to the heating element. The electrical energy is generated by the micro motor 413. When the second rod 231 drives the fourth rod 411 to rotate, the fourth gear 233 and the fifth gear 412 mesh with each other. The rotation of the fourth gear 233 drives the fifth gear 412 meshing with it to rotate around the axis of the fourth rod 411. The fourth rod 411 drives the micro motor 413 connected to it to work and generate electrical energy. The electrical energy is then converted into heat energy through the heating element, which realizes the heating of the body 1 and thus increases the ambient temperature of the power battery 5. Preferably, the power supply for the first coil and the second coil can be provided by connecting the power battery system to the low-voltage circuit of the vehicle. That is, both the first coil and the second coil are connected to the low-voltage circuit through a controller. The controller can control whether the low-voltage circuit energizes the first coil and the second coil, thereby realizing the switching on and off of the first coil and the second coil.

[0035] In some optional embodiments, the heating element includes a heating wire 421, which is electrically connected to the micro motor 413. The heating wire 421 is arranged around the periphery of the body 1. The heating wire 421 being arranged around the periphery of the body 1 can mean that the heating wire 421 is installed on the inner wall of the passenger car door. In this embodiment, when the temperature of the power battery 5 is low and it is necessary to heat the ambient temperature around the power battery 5, the driven component drives the fourth rod 411 to rotate. The fourth rod 411 then rotates to drive the micro motor 413 to work and generate electrical energy, thereby generating heat energy in the heating wire 421 connected to the micro motor 413, thus raising the ambient temperature of the power battery 5.

[0036] In some optional embodiments, the longitudinal section of the drive cylinder 21 is set to be conical, and the inner diameter of the drive cylinder 21 near the air inlet 12 is larger than the inner diameter of the drive cylinder 21 near the air outlet 13. During the operation of the bus, the air in the drive cylinder 21 will blow from the side of the air inlet 12 to the side of the air outlet 13. Since the inner diameter of the drive cylinder 21 near the air inlet 12 is larger than the inner diameter of the side near the air outlet 13, the airflow will be further accelerated in the cavity of the drive cylinder 21 during the process of the air flowing out of the air outlet 13. This can increase the force of the wind on the first impeller 222, accelerate the rotation speed of the first rod 221, and enable the first gear 223 on the first rod 221 to drive the second gear 232 to rotate faster.

[0037] This application embodiment also provides a power battery system, which may include the bus cabin door as described above. The power battery system may further include: a power battery 5 compartment, on which a power battery 5 is installed. The power battery 5 compartment is connected to the mounting cavity 11 through the first through hole 32. The bus cabin door in the power battery system has the same structure as the above embodiments, and will not be described again here.

[0038] In some optional embodiments, a temperature sensor is installed on the periphery of the power battery 5. The temperature sensor is signal-connected to the controller. The temperature sensor installed on the periphery of the power battery 5 can monitor the temperature of the power battery 5. Specifically, a threshold range can be set in the controller for the power battery 5. This threshold range allows the power battery 5 to operate efficiently within a certain range. When the temperature value obtained by the temperature sensor is within this range, the fourth gear 233 can be in an idling state. That is, the controller does not control the third lever 311 to move towards the second lever 231, nor does it control the fourth lever 411 to move towards the second lever 231. The cooling and heating mechanisms in the passenger compartment door are not working. When the temperature value obtained by the temperature sensor is lower than the threshold range, the controller can control the second electromagnetic coil to be energized, so that the fourth rod 411 is magnetized and the second coil is placed close to the second rod 231. Therefore, the fourth rod 411 moves towards the side closer to the second rod 231 until the fourth gear 233 meshes with the fifth gear 412. The fourth rod 411 is then driven to rotate, thereby providing power to the micro motor 413, so that the micro motor 413 can cause the heating wire to heat up after generating electricity. When the temperature value obtained by the temperature sensor is lower than the threshold range, the controller can control the first coil to be energized, so that the third rod 311 is magnetized and the first coil is placed close to the second rod 231. Therefore, the third rod 311 moves towards the side closer to the second rod 231 until the fourth gear 233 meshes with the third gear 313, and the third rod 311 is driven to rotate. When the third rod 311 rotates, the multiple second impellers 312 on it can fan the surrounding air flow and generate wind, so that the high temperature gas in the power battery 5 compartment flows into the mounting cavity 11 through the first through hole 32. The gas in the mounting cavity 11 is then discharged to the outside through the air outlet grille 34 on the second through hole 33, thereby cooling the ambient temperature around the power battery 5.

[0039] This application utilizes the airflow generated by cutting through the surrounding air during bus operation. Through the coordinated operation of temperature sensors, controllers, a first drive mechanism, and heating and cooling mechanisms, it achieves real-time dynamic adjustment of the temperature of a single-cell power battery 5, improving the working efficiency and lifespan of the power battery 5 and reducing the overall vehicle power consumption. By using the first drive mechanism to drive the heating or cooling mechanisms separately, no additional power consumption is required during heating or cooling. Furthermore, it can dynamically and autonomously control the ambient temperature of the power battery 5, ensuring that the ambient temperature remains within the system's calibrated optimal temperature range, thus improving the working efficiency and lifespan of the power battery 5. It also enables independent thermal management of a single-cell power battery 5, eliminating the need for an external air conditioning or heating system. The structure is simple, reliable, highly adaptable, and reduces overall vehicle power consumption.

[0040] In the description of this application, it should be noted that the terms "upper," "lower," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Unless otherwise expressly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0041] It should be noted that in this application, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, 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 limitations, 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 said element.

[0042] The above description is merely a specific embodiment of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A passenger car door, characterized in that, It includes: The main body (1) has an installation cavity (11) inside, and the main body (1) has an air inlet (12) and an air outlet (13) connected to the air inlet (12). A first driving mechanism is installed in the mounting cavity (11). The first driving mechanism includes a driving cylinder (21), which is fixed in the mounting cavity (11). The two ends of the driving cylinder (21) are respectively connected to the air inlet (12) and the air outlet (13). The first drive mechanism further includes a pneumatic component and a driven component connected to the pneumatic component. The pneumatic component is rotatably mounted in the cavity of the drive cylinder (21) and extends along the axial direction of the drive cylinder (21). The end of the driven component away from the pneumatic component penetrates the side wall of the drive cylinder (21) and is rotatably mounted on the body (1). The cooling mechanism and the heating mechanism are both installed in the mounting cavity (11) and spaced apart from the drive cylinder (21). The cooling mechanism and the heating mechanism are both connected to a controller, which is used to control the connection between the heating mechanism or the cooling mechanism and the driven component. The cooling mechanism includes: An air guide assembly is signal-connected to the controller, which is configured to control the air guide assembly to move toward a side closer to the driven assembly, so that the driven assembly drives the air guide assembly to move. The heating mechanism includes a driving component and a heating element connected to the driving component. The driving component is signal-connected to the controller, and the controller is used to control the driving component to move toward the side closer to the driven component, so that the driven component drives the driving component to move, and the driving component drives the heating element to heat up.

2. The passenger car door as described in claim 1, characterized in that, The cooling mechanism also includes: The first through hole (32) is opened in the body (1) and is used to connect the power battery (5) compartment and the mounting cavity (11). The second through hole (33) is opened in the body (1). The second through hole (33) is used to connect the outside world with the mounting cavity (11), and an air outlet grille (34) is installed at the second through hole (33).

3. The passenger car door as described in claim 2, characterized in that: The pneumatic assembly includes a first rod (221) that extends axially along the drive cylinder (21) and is rotatably mounted on the end of the drive cylinder (21) near the air outlet (13). The first rod (221) is fixed with a plurality of first impellers (222), and the end of the first rod (221) away from the air outlet (13) is fixed with a first gear (223). The driven component includes a second rod (231), which is perpendicular to the first rod (221) and penetrates the side wall of the drive cylinder (21). One end of the second rod (231) away from the first rod (221) is rotatably mounted on the body (1), and the other end is fixed with a second gear (232) that cooperates with the first gear (223).

4. The passenger car door as described in claim 3, characterized in that: The air guide assembly includes a third rod (311) that extends in a direction perpendicular to the extension direction of the driven assembly. The third rod (311) is mounted on the body (1), and a first coil is provided on one side of the third rod (311). The first coil is electrically connected to the controller, and the controller is used to control the first coil to be energized so that the first coil drives the third rod (311) to move along the axial direction of the third rod (311). The third rod (311) has a plurality of second impellers (312) fixed on its periphery, and a third gear (313) is fixed at one end of the second rod (231), and a fourth gear (233) is fixed on the second rod (231) to cooperate with the third gear (313).

5. The passenger car door as described in claim 4, characterized in that: The drive assembly includes a fourth link (411), which is mounted on the body (1). A fifth gear (412) that meshes with the fourth gear (233) is fixed at one end of the fourth link (411) near the second link (231). A second coil is provided on one side of the fourth rod (411). The second coil is electrically connected to the controller. The controller is used to control the second coil to be energized, so that the second coil drives the fourth rod (411) to move along the axial direction of the fourth rod (411). The drive assembly also includes a micro motor (413) connected to the fourth rod (411) and the heating element.

6. The passenger car door as described in claim 5, characterized in that: The heating element includes a heating wire (421), which is electrically connected to the micro motor (413) and is arranged around the periphery of the body (1).

7. The passenger car door as described in claim 1, characterized in that: The longitudinal section of the drive cylinder (21) is set to be tapered, and the inner diameter of the drive cylinder (21) on the side near the air inlet (12) is greater than the inner diameter of the drive cylinder (21) on the side near the air outlet (13).

8. A power battery system, characterized in that, It includes the passenger cabin door as described in any one of claims 2 to 6, and the power battery system further includes: A power battery (5) compartment is provided, wherein a power battery (5) is installed in the power battery (5) compartment and the mounting cavity (11) are connected through the first through hole (32).

9. The power battery system as described in claim 8, characterized in that: A temperature sensor is installed on the periphery of the power battery (5), and the temperature sensor is connected to the controller signal.

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