ETC vehicle-mounted unit

Abstract

The utility model provides an ETC vehicle-mounted unit. The ETC vehicle-mounted unit comprises a main shell; the OBU device is arranged on the main shell; and the driving mechanism is connected between the main shell and the OBU device, and the driving mechanism is used for driving the OBU device to enable the OBU device to have at least one rotational degree of freedom. Through the arrangement of the driving mechanism, when the OBU device cannot perform microwave communication with the RSU, the OBU device can be driven to rotate through the driving mechanism, so that the OBU device rotates to the optimal angle, and then the OBU device can perform microwave communication with the RSU.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of vehicle-mounted technology, and more particularly to an ETC vehicle-mounted unit. BACKGROUND

[0002] In an ETC system, a vehicle-mounted unit (OBU) installed on a motor vehicle establishes a microwave communication link with a RSU (Road Side Unit) using DSRC technology, so as to realize motor vehicle identity recognition, electronic toll collection and the like without stopping.

[0003] The existing vehicle-mounted unit is usually fixed inside the motor vehicle, and cannot be adjusted, which is inconvenient for microwave communication with the RSU and cannot meet the use requirement. CONTENT OF THE INVENTION

[0004] The application aims to provide an ETC vehicle-mounted unit to solve the technical problem that the existing vehicle-mounted unit is fixed inside the motor vehicle and cannot be adjusted.

[0005] To achieve the above-mentioned purpose, the application adopts the technical scheme of providing an ETC vehicle-mounted unit, comprising:

[0006] a main shell;

[0007] an OBU device installed on the main shell;

[0008] a driving mechanism connected between the main shell and the OBU device, the driving mechanism being used to drive the OBU device to have at least one rotational degree of freedom.

[0009] In some embodiments, the driving mechanism comprises a first driving member and a second driving member, the OBU device is connected with the output end of the first driving member, and the output end of the first driving member is connected with the output end of the second driving member; the first driving member is used to drive the OBU device to rotate around a first axis, and the second driving member is used to drive the first driving member and the OBU device to rotate around a second axis; the first axis and the second axis form an included angle with each other.

[0010] In some embodiments, the driving mechanism further comprises:

[0011] a first rotating shaft, the first rotating shaft being connected with the output end of the first driving member, and the OBU device being installed on the first rotating shaft;

[0012] a second rotating shaft, the second rotating shaft being connected with the output end of the second driving member;

[0013] The second rotating shaft is synchronously rotatable with the first rotating shaft around the second axis, and the second rotating shaft is relatively rotatable with the first rotating shaft around the first axis.

[0014] In some embodiments, the first rotating shaft and the second rotating shaft are perpendicularly crossed.

[0015] In some embodiments, the second rotating shaft has an assembly hole with the first axis as a central axis, and the first rotating shaft is rotatably matched with the assembly hole.

[0016] In some embodiments, the second rotating shaft comprises:

[0017] An assembly portion in a circular ring shape, a central axis of the assembly portion being perpendicular to the first axis and the second axis respectively, and the assembly portion being provided with the assembly hole on opposite sides of the first axis respectively;

[0018] Two rotating shaft portions integrally connected to opposite side outer walls of the assembly portion along the second axis respectively, and the two rotating shaft portions being connected with the OBU device respectively.

[0019] In some embodiments, the main shell is connected with a support, and opposite ends of the second rotating shaft are rotatably provided in the support respectively.

[0020] In some embodiments, the ETC unit further comprises a mounting rack, the OBU device is mounted on the mounting rack, and the mounting rack is mounted on an output end of the driving mechanism.

[0021] In some embodiments, the ETC unit further comprises:

[0022] A control unit in communication connection with the driving mechanism;

[0023] A first detection device for detecting angle information of the OBU device and feeding back to the control unit.

[0024] In some embodiments, the ETC unit further comprises a second detection device for detecting position information of the RSU device and feeding back to the control unit.

[0025] In some embodiments, the ETC unit further comprises a display screen provided outside the main shell and electrically connected with the control unit.

[0026] The ETC vehicle-mounted unit provided by the application has the beneficial effect that the driving mechanism is arranged between the OBU device and the main shell and is used to drive the OBU device to have at least one rotation degree of freedom, so that when the OBU device cannot communicate with the RSU by microwaves, the OBU device can be driven to rotate by the driving mechanism, so that the OBU device is rotated to an optimal angle, and then the OBU device can communicate with the RSU by microwaves. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the application, and for those skilled in the art, other drawings can also be obtained without creative labor based on these drawings.

[0028] Figure 1 An angle perspective structural schematic diagram of the ETC vehicle-mounted unit provided by the application;

[0029] Figure 2 Another angle perspective structural schematic diagram of the ETC vehicle-mounted unit provided by the application;

[0030] Figure 3 A structural schematic diagram of the ETC vehicle-mounted unit provided by the application after removing the main shell;

[0031] Figure 4 A structural schematic diagram of the second rotating shaft in the ETC vehicle-mounted unit provided by the application;

[0032] Figure 5 An assembly schematic diagram of the mounting rack, the inclination measuring instrument, the gyroscope, the altitude measuring instrument and the first rotating shaft in the ETC vehicle-mounted unit provided by the application.

[0033] In the drawings, various reference signs represent:

[0034] 100, main shell; 200, OBU device; 300, driving mechanism; 310, first driving member; 320, second driving member; 330, first rotating shaft; 340, second rotating shaft; 341, assembly part; 3411, assembly hole; 342, rotating shaft part; 400, supporting member; 500, mounting rack; 510, tray; 520, connecting member; 600, control unit; 700, first detection device; 710, laser device; 800, second detection device; 810, inclination measuring instrument; 820, gyroscope; 900, altitude measuring instrument; 1000, display screen; 1100, wire; X1, first axis; X2, second axis. DETAILED DESCRIPTION

[0035] In order to make the technical problems to be solved, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not intended to limit the present application.

[0036] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0037] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0038] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly specified.

[0039] Please refer to Figures 1 to 3 , the ETC on-board unit provided by the embodiments of the present application will be described. The ETC on-board unit is mainly used for installation in a motor vehicle, and adopts DSRC technology to establish a microwave communication link with an RSU (Road Side Unit), so as to realize motor vehicle identity recognition, electronic toll collection and the like without stopping.

[0040] The ETC on-board unit includes a main shell 100, an OBU device 200 and a driving mechanism 300. The OBU device 200 is installed in the main shell 100; the driving mechanism 300 is connected between the main shell 100 and the OBU device 200, and the driving mechanism 300 is used to drive the OBU device 200 so that the OBU device 200 has at least one degree of freedom of rotation.

[0041] Specifically, the OBU device 200 has one, two, three, four, five or six degrees of freedom after being driven, and can be rotated to a preferred angle.

[0042] Specifically, when the OBU device 200 cannot communicate with the RSU through microwaves, the driving mechanism 300 can be used to drive the OBU device 200 to rotate at least one degree of freedom, so that the OBU device 200 rotates to the optimal angle, and the OBU device 200 can communicate with the RSU through microwaves.

[0043] The ETC vehicle-mounted unit in the embodiment of the application is provided with the driving mechanism 300 between the OBU device 200 and the main shell 100, and the driving mechanism 300 is used to drive the OBU device 200 to have at least one rotational degree of freedom, so that when the OBU device 200 cannot communicate with the RSU through microwaves, the driving mechanism 300 can be used to drive the OBU device 200 to rotate at least one degree of freedom, so that the OBU device 200 rotates to the optimal angle, and the OBU device 200 can communicate with the RSU through microwaves.

[0044] In one embodiment, the driving mechanism 300 is used to drive the OBU device 200 to rotate around the first axis X1 and / or rotate around the second axis X2; wherein the first axis X1 and the second axis X2 intersect at an angle.

[0045] The first axis X1 and the second axis X2 intersect at an angle, which can be an acute angle, a right angle or an obtuse angle. Since the first axis X1 and the second axis X2 intersect at an angle, when the OBU device 200 rotates around the first axis X1 and the second axis X2 respectively, it has two rotational degrees of freedom, and can rotate the OBU device 200 to a better angle.

[0046] Specifically, when the OBU device 200 cannot communicate with the RSU through microwaves, the driving mechanism 300 can be used to drive the OBU device 200 to rotate around the first axis X1, or drive the OBU device 200 to rotate around the second axis X2, or drive the OBU device 200 to rotate around the first axis X1 and the second axis X2, so that the OBU device 200 rotates to the optimal angle, and the OBU device 200 can communicate with the RSU through microwaves.

[0047] In some embodiments, please refer to Figure 3, the first axis X1 and the second axis X2 are perpendicular to each other. When the ETC OBU is installed on the motor vehicle, the second axis X2 is arranged to be parallel to the vertical direction, and the first axis X1 is arranged to be parallel to the width direction of the motor vehicle, i.e. the left-right direction of the motor vehicle, so that the OBU device 200 can be rotated to a position inclined at a certain angle relative to the vertical direction and / or the width direction of the motor vehicle, so that the OBU device 200 can communicate with the RSU by microwaves. It can be understood that in other embodiments of the present application, the first axis X1 and the second axis X2 can also form an acute angle or an obtuse angle with each other, the second axis X2 can be arranged to be inclined relative to the vertical direction, and the first axis X1 can be arranged to be inclined relative to the width direction of the motor vehicle, which is not limited herein.

[0048] In some embodiments, referring to Figure 2 and Figure 3 , the driving mechanism 300 includes a first driving member 310 and a second driving member 320, the OBU device 200 is connected to the output end of the first driving member 310, the output end of the first driving member 310 is connected to the output end of the second driving member 320, the first driving member 310 is used to drive the OBU device 200 to rotate around the first axis X1, and the second driving member 320 is used to drive the first driving member 310 and the OBU device 200 to rotate around the second axis X2.

[0049] Specifically, when it is needed to rotate the OBU device 200 around the first axis X1, the first driving member 310 can be used to drive the OBU device 200 to rotate; when it is needed to rotate the OBU device 200 around the second axis X2, the second driving member 320 can be used to drive the first driving member 310 and the OBU device 200 to rotate around the second axis X2 together; and when it is needed to rotate the OBU device 200 around the first axis X1 and the second axis X2, the first driving member 310 and the second driving member 320 can be driven respectively to drive the OBU device 200. In the embodiment, the first driving member 310 and the second driving member 320 are used to drive the OBU device 200 to rotate around the first axis X1 and the second axis X2 respectively, so that the driving of the rotation of the OBU device 200 is simple. It can be understood that in other embodiments of the present application, the same driving member can also be used to drive the OBU device 200 to rotate around the first axis X1 and the second axis X2 respectively, at this time, different transmission structures can be arranged between the OBU device 200 and the driving member to realize different driving of the rotation, and if necessary, a clutch structure needs to be arranged between the driving member and the two transmission structures to realize the connection and disconnection between the driving member and the transmission structures, which is not limited herein.

[0050] In some embodiments, referring to Figure 3, the driving mechanism 300 further comprises a first rotating shaft 330 and a second rotating shaft 340, the first rotating shaft 330 is connected with the output end of the first driving member 310, and the OBU device 200 is installed on the first rotating shaft 330; the second rotating shaft 340 is connected with the output end of the second driving member 320, and the second rotating shaft 340 is rotatably arranged on the main shell 100; wherein the second rotating shaft 340 and the first rotating shaft 330 are synchronously connected for rotation around the second axis X2, and the second rotating shaft 340 and the first rotating shaft 330 are relatively connected for rotation around the first axis X1.

[0051] Wherein, the second rotating shaft 340 and the first rotating shaft 330 are synchronously connected for rotation around the second axis X2, which means that the second rotating shaft 340 and the first rotating shaft 330 are limitedly connected between them to make the second rotating shaft 340 and the first rotating shaft 330 synchronously rotate around the second axis X2, specifically, when the second rotating shaft 340 rotates around the second axis X2, the first rotating shaft 330 can rotate around the second axis X2.

[0052] In addition, the second rotating shaft 340 and the first rotating shaft 330 are relatively connected for rotation around the first axis X1, which means that there is no structural limit between the second rotating shaft 340 and the first rotating shaft 330 around the first axis X1, so that when the first axis X1 rotates around the first axis X1, the second rotating shaft 340 will not rotate with the first rotating shaft 330.

[0053] The above arrangement makes the first rotating shaft 330 follow the second rotating shaft 340 to rotate around the second axis X2 when the second driving member 320 drives the second rotating shaft 340 to rotate around the second axis X2, thereby driving the OBU device 200 to rotate around the second axis X2; when the first driving member 310 drives the first rotating shaft 330 to rotate around the first axis X1, it can drive the OBU device 200 to rotate around the first axis X1, and since the second rotating shaft 340 and the first rotating shaft 330 are relatively connected for rotation around the first axis X1, the second rotating shaft 340 will not rotate around the first axis X1. It can be understood that in other embodiments of the present application, the first rotating shaft 330 and the second rotating shaft 340 can not be provided, but the OBU device 200 can be directly driven by the first driving member 310 and the second driving member 320.

[0054] In some embodiments, please refer to Figure 3 The first rotating shaft 330 and the second rotating shaft 340 are perpendicularly crossed, wherein the perpendicularly crossed design of the first rotating shaft 330 and the second rotating shaft 340 facilitates the relative rotation connection of the first rotating shaft 330 and the second rotating shaft 340 around the first axis X1 and the synchronous rotation connection of the first rotating shaft 330 and the second rotating shaft 340 around the second axis X2, and also makes the whole driving mechanism 300 compact in structure, small in space occupation, and stable and reliable in structure.

[0055] In some embodiments, please refer to Figure 3 and Figure 4 The second rotating shaft 340 has an assembly hole 3411 with the first axis X1 as the central axis, and the first rotating shaft 330 is rotationally matched with the assembly hole 3411. Wherein, the first rotating shaft 330 and the second rotating shaft 340 are rotationally connected around the first axis X1 by the rotationally matched first rotating shaft 330 and the assembly hole 3411 on the second rotating shaft 340. At the same time, since the first axis X1 and the second axis X2 are arranged vertically, when the second rotating shaft 340 rotates around the second axis X2, the second rotating shaft 340 and the first rotating shaft 330 form a structure limit around the second axis X2 at the position of the assembly hole 3411, so that the second rotating shaft 340 can rotate synchronously around the second axis X2 with the first rotating shaft 330.

[0056] In some embodiments, please refer to Figure 3 and Figure 4 The second rotating shaft 340 includes an assembly part 341 and two rotating shaft parts 342; the assembly part 341 is annular, the central axis of the assembly part 341 is perpendicular to the first axis X1 and the second axis X2 respectively, and the assembly part 341 is provided with assembly holes 3411 on the opposite two side walls along the first axis X1; the two rotating shaft parts 342 are integrally connected to the opposite two side walls of the assembly part 341 along the second axis X2 respectively, and the two rotating shaft parts 342 are connected with the OBU device 200 respectively.

[0057] Wherein, the two rotating shaft parts 342 are integrally connected with the assembly part 341 to form the second rotating shaft 340. During assembly, the first rotating shaft 330 is sequentially inserted through the two assembly holes 3411, so that the part of the first rotating shaft 330 between the two assembly holes 3411 is located in the inner cavity of the assembly part 341. Wherein, the assembly part 341 is arranged to make the contact area of the first rotating shaft 330 and the second rotating shaft 340 along the first axis X1 larger, thereby improving the stability of the rotationally matched first rotating shaft 330 and the second rotating shaft 340. It can be understood that in other embodiments of the present application, the assembly part 341 can also be arranged in an annular shape, or in a cylindrical structure or a block structure with the first axis X1 as the central axis, which is not limited here.

[0058] In some embodiments, please refer to Figure 2 and Figure 3 The main shell 100 is connected with a support 400, and the opposite two ends of the second rotating shaft 340 are rotationally arranged in the support 400. Wherein, by arranging the support 400, the rotation stability of the second rotating shaft 340 can be ensured.

[0059] Optionally, two supports 400 are arranged in the main housing 100, and the two supports 400 are arranged in the second axis X2 direction and extend perpendicularly from the rear inner wall of the main housing 100 to the inner cavity of the main housing 100 to support the second rotating shaft 340.

[0060] Optionally, the support 400 is integrally formed on the main housing 100, or the support 400 is welded on the main housing 100, or the support 400 is locked on the main housing 100 by screws or the like.

[0061] Optionally, the opposite ends of the second rotating shaft 340 are respectively mounted on the supports 400 through bearings to ensure the stability of the supports 400 supporting the second rotating shaft 340.

[0062] Optionally, the first driving member 310 is a rotary motor, and the output end of the first driving member 310 is connected with the first rotating shaft 330. It can be understood that in other embodiments of the present application, the first driving member 310 can also be a rotary cylinder, and in addition, a transmission assembly can also be connected between the first driving member 310 and the first rotating shaft 330.

[0063] Optionally, the second driving member 320 is a rotary motor, and the output end of the second driving member 320 is connected with the second rotating shaft 340. It can be understood that in other embodiments of the present application, the second driving member 320 can also be a rotary cylinder, and in addition, a transmission assembly can also be connected between the second driving member 320 and the second rotating shaft 340.

[0064] In some embodiments, referring to Figure 2 , Figure 3 and Figure 5 , the ETC unit further comprises a mounting rack 500, the OBU device 200 is mounted on the mounting rack 500, and the mounting rack 500 is mounted on the output end of the driving mechanism 300. Wherein, the mounting rack 500 is arranged to facilitate the connection between the OBU device 200 and the driving mechanism 300, and also facilitates the installation of various sensors in the following.

[0065] In some specific embodiments, referring to Figure 5 , the mounting rack 500 comprises a tray 510 and two connecting members 520 arranged on the back of the tray 510, the tray 510 is fixedly sleeved on the rear side and at least part of the peripheral side of the OBU device 200, and the two connecting members 520 are respectively connected with the opposite ends of the first rotating shaft 330, thereby forming the connection between the first rotating shaft 330 and the OBU device 200. Specifically, the two connecting members 520 are arranged in the first axis X1 direction and are spaced apart, and the opposite ends of the first rotating shaft 330 are respectively mounted on the two connecting members 520 through bearings. In other embodiments of the present application, the above-mentioned tray 510 can also be in the form of a box and the OBU device 200 is assembled in the tray 510, which is not limited here.

[0066] In some embodiments, referring to Figure 2 , Figure 3 and Figure 5 , the ETC OBU unit further comprises a control unit 600, a first detection device 700 and a second detection device 800, the driving mechanism 300, the first detection device 700 and the second detection device 800 are respectively in communication connection with the control unit 600; the first detection device 700 is used for detecting the angle information of the OBU device 200 and feeding back to the control unit 600; the second detection device 800 is used for detecting the position information of the RSU device and feeding back to the control unit 600; the control unit 600 is used for controlling the driving mechanism 300 according to the angle information of the OBU device 200 and the position information of the RSU device, so as to drive the OBU device 200 to rotate around the first axis X1 and / or the second axis X2.

[0067] Specifically, the control unit 600 judges whether the relative position of the RSU device and the OBU device 200 is the optimal angle according to the position information of the RSU device and the angle information of the OBU device 200. If it is not the optimal angle, the optimal included angle vector between the line connecting the OBU device 200 of the target motor vehicle and the center of the RSU device and the horizontal line is calculated by the existing algorithm, and then the driving mechanism 300 is controlled according to the included angle vector to adjust the angle of the OBU device 200. When the OBU device 200 rotates to the angle size and direction of the required included angle vector, the rotation is stopped as the best optimal solution, so as to ensure the best communication effect between the OBU device 200 and the RSU device.

[0068] It should be noted that the above-mentioned method for the control unit 600 to judge whether the relative position of the RSU device and the OBU device 200 is the optimal angle according to the position information of the RSU device and the angle information of the OBU device 200 is prior art; and the control unit 600 calculates the included angle vector between the line connecting the OBU device 200 of the target motor vehicle and the center of the RSU device and the horizontal line, and obtains the optimal included angle vector, which is also prior art, and can be referred to the patent with the patent number CN114487999A.

[0069] In some embodiments, the first detection device 700 comprises a laser device 710, which obtains image information of the RSU device through the laser device 710, and the position information of the RSU device can be obtained according to the image information. Similarly, obtaining the position information according to the image signal is also a prior method.

[0070] Specifically, the laser device 710 is installed on the OBU device 200, specifically, on the top side outer wall of the tray 510, so that the laser device 710 obtains the image information of the RSU device by emitting laser. It can be understood that in other embodiments of the present application, the first detection device 700 can also include a camera device or a radar device, etc., as long as the position information of the RSU device can be obtained.

[0071] In some embodiments, referring to Figure 5 , the second detection device 800 includes an inclination measuring instrument 810 and a gyroscope 820, and the inclination measuring instrument 810 and the gyroscope 820 are respectively used to obtain the angle information of the OBU device 200.

[0072] Specifically, the inclination measuring instrument 810 is a device for measuring the inclination angle of an object relative to the horizontal plane, and the inclination measuring instrument 810 is used to automatically detect the first included angle between the OBU device 200 and the horizontal plane. The control unit 600 controls the first included angle between the OBU device 200 and the horizontal plane according to the read first included angle information, that is, the control unit 600 controls the driving mechanism 300 to drive the OBU device 200 to rotate around the first axis X1.

[0073] The gyroscope 820 is used to detect the second angle of the OBU device 200 deviating from the lane direction, and the control unit 600 controls the second included angle between the OBU device 200 and the lane direction deviating from the lane direction according to the read second angle information. The control unit 600 controls the driving mechanism 300 to drive the OBU device 200 to rotate around the second axis X2. It can be understood that in other embodiments of the present application, the first included angle and the second included angle can also be obtained by two inclination measuring instruments 810, or the first included angle and the second included angle can also be obtained by two gyroscopes 820, or the first included angle and the second included angle can also be detected by an acceleration sensor.

[0074] In some embodiments, referring to Figure 5 , the ETC on-board unit further includes an altitude measuring instrument 900, which is an instrument for measuring the vertical height of a point on the earth relative to the sea level. In the present embodiment, the altitude measuring instrument 900 is used to automatically identify the installation height of the OBU device 200, so as to provide the height information of the OBU device 200 when the device is installed.

[0075] In some embodiments, referring to Figure 5 , the inclination measuring instrument 810, the gyroscope 820 and the altitude measuring instrument 900 are respectively installed on the back of the tray 510.

[0076] In some embodiments, the ETC OBU further comprises a power supply and storage system, which is electrically connected with the control unit 600 and used for power supply and data caching. The power supply and storage system and the control unit 600 are both mounted on the inner side wall of the main shell 100. The tilt angle measuring instrument 810, the gyroscope 820, the altitude measuring instrument 900, the laser device 710, the first driving member 310 and the second driving member 320 are all respectively communicatively connected with the control unit 600 through the wires 1100.

[0077] In some embodiments, referring to Figure 1 , the ETC OBU further comprises a display screen 1000 arranged on the outer side of the main shell 100 and electrically connected with the control unit 600. Specifically, the installation height, the first included angle and the second included angle of the OBU device 200 can be displayed in real time through the display screen 1000, so as to provide an intuitive installation and use guide and ensure that the user can easily complete the installation and debugging of the equipment.

[0078] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An ETC on-board unit characterized by comprising: The ETC unit comprises: a main shell; an OBU device mounted on the main shell; a driving mechanism connected between the main shell and the OBU device, the driving mechanism being configured to drive the OBU device to have at least one rotational degree of freedom.

2. The ETC on-board unit of claim 1, wherein, The driving mechanism comprises a first driving member and a second driving member, the OBU device being connected to an output end of the first driving member, and the first driving member being connected to an output end of the second driving member; the first driving member is configured to drive the OBU device to rotate around a first axis, and the second driving member is configured to drive the first driving member and the OBU device to rotate around a second axis; the first axis and the second axis form an included angle.

3. The ETC on-board unit of claim 2, wherein, The driving mechanism further comprises: a first rotating shaft connected to the output end of the first driving member, and the OBU device being mounted on the first rotating shaft; a second rotating shaft connected to the output end of the second driving member; wherein the second rotating shaft and the first rotating shaft are connected in synchronous rotation around the second axis, and the second rotating shaft and the first rotating shaft are connected in relative rotation around the first axis.

4. The ETC on-board unit of claim 3, wherein, The first rotating shaft and the second rotating shaft are arranged perpendicularly.

5. The ETC on-board unit of claim 3, wherein, The second rotating shaft comprises: an assembly portion in the shape of a ring, a central axis of the assembly portion being perpendicular to the first axis and the second axis, respectively, and the assembly portion being provided with assembly holes on opposite sides along the first axis, and the first rotating shaft being rotatably connected to the assembly holes; two rotating shaft portions integrally connected to opposite outer walls of the assembly portion along the second axis, respectively, and the two rotating shaft portions being connected to the OBU device, respectively.

6. The ETC on-board unit of claim 3, wherein, The main shell is connected to a support, and opposite ends of the second rotating shaft are rotatably arranged on the support.

7. The ETC on-board unit according to any one of claims 1 to 6, characterized by, The ETC unit further comprises a mounting rack, and the OBU device is mounted on the mounting rack, and the mounting rack is mounted on an output end of the driving mechanism.

8. The ETC on-board unit according to any one of claims 1 to 6, characterized by, The ETC unit further comprises: a control unit in communication connection with the driving mechanism; a first detection device configured to detect angle information of the OBU device and feed back to the control unit.

9. The ETC on-board unit of claim 8, wherein, The ETC unit further comprises a second detection device configured to detect position information of an RSU device and feed back to the control unit.

10. The ETC on-board unit of claim 9, wherein, The ETC unit further comprises a display screen arranged outside the main shell and electrically connected to the control unit.

Images