Automobile data recorder

Abstract

The utility model provides an automobile data recorder. The automobile data recorder comprises a first shell, a second shell, a positioning antenna, a positioning chip, a main control chip and a camera module. A first accommodating cavity is formed in the first shell; a second containing cavity is formed in the second shell, and the second shell is used for being connected to the vehicle. The camera module, the positioning chip and the main control chip are all arranged in the first accommodating cavity, the positioning antenna is arranged in the second accommodating cavity, the positioning antenna is electrically connected with the positioning chip, the positioning chip is electrically connected with the main control chip, and the positioning antenna is used for receiving satellite signals. According to the automobile data recorder provided by the invention, the speed and the accuracy of acquiring the position information can be improved, so that the use experience of a user is improved.

Description

Technical Field

[0001] The present application relates to the field of image recording equipment, and in particular to a driving recorder. Background Art

[0002] In related technologies, dashcams are equipped with GPS (Global Positioning System) modules to obtain the vehicle's current location. This allows the recorded images in the dashcam to be linked to location information, facilitating file management and providing more effective evidence in traffic accidents. However, existing dashcams suffer from issues such as delayed and inaccurate location acquisition, which can easily lead to missing or incorrect location information, impacting the user experience. Utility Model Content

[0003] In view of this, an embodiment of the present application hopes to provide a driving recorder to improve the speed and accuracy of obtaining location information, thereby improving the user experience.

[0004] The embodiment of the present application provides a driving recorder, comprising:

[0005] A first shell having a first accommodating cavity therein;

[0006] a second housing having a second accommodating cavity therein, the second housing being configured to be connected to a vehicle;

[0007] A positioning antenna, a positioning chip, a main control chip and a camera module, wherein the camera module, the positioning chip and the main control chip are all arranged in the first accommodating cavity, the positioning antenna is arranged in the second accommodating cavity, the positioning antenna is electrically connected to the positioning chip, the positioning chip is electrically connected to the main control chip, and the positioning antenna is used to receive satellite signals.

[0008] In some embodiments, the second shell has a first side wall, the outer surface of the first side wall is adapted to be attached to the vehicle, and the positioning antenna is disposed on the inner surface of the first side wall.

[0009] In some embodiments, the second shell includes a blocking portion, which is disposed on the inner surface of the first side wall. The inner surface of the first side wall encloses an installation area, and the positioning antenna is located in the installation area.

[0010] In some embodiments, the driving recorder includes a power supply circuit, the positioning antenna includes an electrically connected signal amplifying circuit board and an antenna board, the antenna board is affixed to the inner surface of the first side wall, the signal amplifying circuit board is located on the side of the antenna board away from the first side wall, and the power supply circuit is used to supply power to the positioning antenna.

[0011] In some embodiments, the driving recorder includes a base, which is rotatably disposed on the first shell, the axis of relative rotation between the base and the first shell is a first axis, the second shell is rotatably connected to the base, the axis of relative rotation between the second shell and the base is a second axis, and the first axis intersects with the second axis.

[0012] In some embodiments, the driving recorder includes a wiring harness, which is used at least to achieve electrical connection between the positioning antenna and the positioning chip;

[0013] The base has a wire passage, the wire passage communicates with the first accommodating cavity and the second accommodating cavity, and the wire harness is passed through the wire passage.

[0014] In some embodiments, the driving recorder includes a shielding structure, and the shielding structure at least covers the outer circumference of the portion of the wiring harness located in the second accommodating cavity.

[0015] In some embodiments, the driving recorder includes a power supply circuit, the power supply circuit includes an adapter board and a battery, the battery is located in the first accommodating cavity, the adapter board is located in the second accommodating cavity, and the adapter board and the battery are electrically connected;

[0016] The second shell has an opening, and the adapter plate is provided with a power supply interface, which is exposed to the outside of the second shell through the opening.

[0017] In some embodiments, the adapter board is a rigid circuit board, and in an orthographic projection parallel to a plane where the rigid circuit board is located, the rigid circuit board and the positioning antenna are spaced apart.

[0018] In some embodiments, the driving recorder includes a solar cell, the second shell has a light inlet, the solar cell is exposed to the outside of the second shell through the light inlet, and the solar cell is connected to the adapter plate.

[0019] In the driving recorder provided in the embodiment of the present application, the first shell and the second shell separate the positioning antenna from other components including the camera module, the positioning chip and the main control chip, so that the positioning antenna is away from interference energy. The satellite signal in the space around it is strong, which is conducive to the positioning antenna to respond to the radio signal quickly and accurately, thereby improving the speed and accuracy of the positioning chip in obtaining ground position information, and providing a better user experience of the driving recorder. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 Schematic diagram of the structure of a driving recorder in one embodiment of the present application;

[0021] Figure 2 for Figure 1 Exploded view of the structure;

[0022] Figure 3 This is a schematic diagram of the internal structure of the second housing in one embodiment of the present application;

[0023] Figure 4 for Figure 3 The middle structure omits the schematic diagram of the first side wall from another perspective;

[0024] Figure 5 This is an exploded view of a partial structure of a driving recorder in one embodiment of the present application.

[0025] Description of Reference Numerals

[0026] 100. Driving recorder; 10. First shell; 20. Second shell; 20A. Second accommodating cavity; 20a. Light inlet; 20b. Avoidance opening; 20c. Mounting hole; 20d. Opening; 21. First side wall; 22. Enclosure; 221. Enclosure piece; 30. Positioning antenna; 31. Antenna board; 32. Signal amplifying circuit board; 40. Camera module; 50. Base; 50a. Wire passage; 51. Base; 52. Shaft; 60. Damping shaft; 70. Adapter board; 71. Power supply interface; 80. Solar cell; 90. Wiring harness. DETAILED DESCRIPTION

[0027] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0028] In the description of the embodiments of the present application, it should be noted that the terms "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, they should not be understood as limiting the embodiments of the present application. In addition, the terms "first" and "second" are used for descriptive purposes and should not be understood as indicating or implying relative importance.

[0029] In the description of the embodiments of this application, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of this application based on the specific circumstances.

[0030] An embodiment of the present application provides a driving recorder 100 , which is an instrument for recording image information of a vehicle while it is traveling.

[0031] See also Figure 1 The driving recorder 100 includes a first housing 10 and a second housing 20. The first housing 10 has a first accommodating cavity (not shown) inside, and the second housing 20 has a second accommodating cavity 20A inside. The second housing 20 is used to connect to a vehicle, and the driving recorder 100 is installed on the vehicle, such as on the front windshield, through the second housing 20.

[0032] See also Figure 2 The driving recorder 100 also includes a positioning antenna 30, a positioning chip, a main control chip, and a camera module 40. The camera module 40, the positioning chip, and the main control chip are all disposed in the first accommodating cavity, and the positioning antenna 30 is disposed in the second accommodating cavity 20a. The positioning antenna 30 is electrically connected to the positioning chip, which is in turn electrically connected to the main control chip.

[0033] The term "electrical connection" in this specification refers to the existence of a communication relationship between two devices in the form of electrical signals. The electrical signals may include a constant current, or a voltage or current that varies over time. For example, the positioning chip and the main control chip are mounted on the same PCB (Printed Circuit Board), and some of their pins are connected by wires on the PCB.

[0034] It should be noted that the camera module 40 is used to capture images of the external environment. For example, the camera module 40 includes a camera chip that converts optical signals captured by the camera module 40 into electrical signals for digital processing. The main control chip is used to control the entire driving recorder 100, including collecting image data from the camera module 40, compressing and storing the image data, etc.

[0035] The positioning antenna 30 is used to receive satellite signals. Satellite signals refer to radio signals transmitted to the ground by various navigation satellite systems. Navigation satellite systems include but are not limited to BDS (Beidou Navigation Satellite System), GPS (Global Positioning System), etc. The positioning antenna 30 converts radio signals into electrical signals in the wires to receive satellite signals. The positioning chip is used to receive the electrical signals generated by the positioning antenna 30, and obtains the ground position information of the positioning antenna 30 by analyzing and calculating the electrical signals. The main control chip can receive the ground position information generated by the positioning chip to determine the position information of the vehicle. It can be seen that the camera module 40, the positioning chip and the main control chip in the first shell 10 are used to realize the various important functions of the driving recorder 100, and the amount of information processing is relatively large.

[0036] During operation, various chips may radiate electromagnetic waves outward, which may easily generate interference energy in the space around them. In the embodiment of the present application, the first shell 10 and the second shell 20 separate the positioning antenna 30 from other components including the camera module 40, the positioning chip and the main control chip, so that the positioning antenna 30 is away from the interference energy. The satellite signal in the space around it is strong, which is conducive to the positioning antenna 30 to respond to the radio signal quickly and accurately, thereby improving the speed and accuracy of the positioning chip in obtaining ground position information, and the user experience of the driving recorder 100 is better.

[0037] For some examples, see Figure 1 and Figure 2 The second shell 20 has a first side wall 21 , the outer surface of the first side wall 21 is used to be attached to the vehicle, and the positioning antenna 30 is provided on the inner surface of the first side wall 21 .

[0038] For example, the outer surface of the first side wall 21 is bonded to the vehicle's front windshield using an adhesive. When the dashcam 100 is installed, the direction from the inner surface of the first side wall 21 to the outer surface of the first side wall 21 faces the sky. This means that the positioning antenna 30 is positioned toward the sky, aiming as closely as possible at satellites above the current location. This allows the positioning antenna 30 to receive stronger satellite signals while the vehicle is in motion, with fewer obstacles interfering with radio signals between the positioning antenna 30 and the satellites in the sky.

[0039] Exemplarily, the first side wall 21 is an upper shell wall of the second housing 20 along the up-down direction of the vehicle.

[0040] For some examples, see Figure 3 and Figure 5The second housing 20 includes a retaining portion 22 , which is disposed on the inner surface of the first sidewall 21 and defines a mounting area within the inner surface of the first sidewall 21 . The retaining portion 22 serves to limit the positioning antenna 30 , securing it to the inner surface of the first sidewall 21 .

[0041] Exemplarily, the installation area is spaced apart from other areas of the inner surface of the first side wall 21 by a distance not less than the thickness of the enclosure 22. In this way, a portion of clean space (referred to as clearance) is left around the positioning antenna 30, which is beneficial to reducing interference to the positioning antenna 30 and enhancing its ability to receive satellite signals.

[0042] For example, in one embodiment, the enclosure portion 22 includes a plurality of enclosure pieces 221, such as Figure 3 As shown, the enclosure piece 221 is set on the inner surface of the first side wall 21, and multiple enclosure pieces 221 are arranged at intervals around the circumference of the positioning antenna 30, and the diagonal positions of the positioning antenna 30 are all provided with enclosure pieces 221.

[0043] For example, in another embodiment, the enclosure portion 22 is disposed around the circumference of the positioning antenna 30 .

[0044] In some embodiments, the driving recorder 100 includes a power supply circuit, see Figure 3 The positioning antenna 30 includes an electrically connected signal amplifying circuit board 32 and an antenna board. The antenna board is attached to the inner surface of the first side wall 21, and the signal amplifying circuit board 32 is located on the side of the antenna board away from the first side wall 21. The power supply circuit of the first side wall 21 is used to supply power to the positioning antenna 30. In other words, the positioning antenna 30 is an active antenna. The signal amplifying circuit board 32 is used to amplify the satellite signals received by the antenna board to enhance the reception sensitivity and stability of the satellite signals, thereby improving the accuracy of the positioning chip in obtaining ground position information.

[0045] Compared with the driving recorder in the related art that uses a passive antenna, the positioning antenna 30 in this embodiment is located in the second shell 20 and is not in the same accommodation cavity as the main control chip and other electronic components. The available space is relatively abundant and can be set as an active antenna to improve the positioning capability.

[0046] For some examples, see Figure 2 and Figure 5The driving recorder 100 includes a base 50 rotatably mounted on the first housing 10. The base 50 rotates relative to the first housing 10 along a first axis A1 (one of the center lines shown). The second housing 20 is rotatably connected to the base 50. The second housing 20 rotates relative to the base 50 along a second axis A2 (one of the center lines shown). The first axis A1 and the second axis A2 intersect. It is understood that the first housing 10 can rotate about the first axis A1 and the second axis A2 by rotating relative to the base 50 and rotating with the rotation of the base 50 relative to the second housing 20. The camera module 40 located within the first housing 10 also moves accordingly, thereby adjusting the orientation of the camera module 40.

[0047] For example, the first axis A1 is along the vertical direction of the vehicle, and the rotation of the first housing 10 around the second axis A2 can adjust the deflection angle of the camera module 40 along the horizontal direction.

[0048] For example, the second axis A2 is along the horizontal direction of the vehicle, and the rotation of the first housing 10 around the first axis A1 can adjust the pitch angle of the camera module 40 .

[0049] For some examples, see Figure 4 and Figure 5 The driving recorder 100 includes a wiring harness 90 , which is at least used to achieve electrical connection between the positioning antenna 30 and the positioning chip, that is, the positioning antenna 30 and the positioning chip can communicate through the wiring harness 90 .

[0050] The base 50 has a wire passage 50a that connects the first and second accommodating chambers 20A. The wiring harness 90 is routed through the passage 50a, making it less visible from the exterior of the dashcam 100 and enhancing the overall aesthetics of the dashcam 100. The end of the passage 50a closest to the second accommodating chamber 20A extends along the second axis A2, allowing the end of the wiring harness 90 closest to the second accommodating chamber 20A to also extend along the second axis A2. This reduces bending deformation of the wiring harness 90 during relative rotation between the base 50 and the second housing 20, reducing the likelihood of fatigue damage to the wiring harness 90.

[0051] For example, see Figure 5The base 50 includes a base 51 and a shaft 52. The base 51 is connected to the shaft 52 at both ends along the second axis A2. The dimensions of any cross-section of the base 50 perpendicular to the second axis A2 are greater than the dimensions of the cross-section of the shaft 52 perpendicular to the second axis A2. The second housing 20 is connected to the base 50 on one side, which is recessed inward to form a clearance opening 20b. The base 51 extends into the clearance opening 20b. The second housing 20 has mounting holes 20c on the walls at both ends along the second axis A2 corresponding to the clearance opening 20b. The shaft 52 extends into the mounting holes 20c and cooperates with the mounting holes 20c to support relative rotation between the base 50 and the second housing 20. The wire passage 50a is at least partially located within one of the shaft portions 52.

[0052] Exemplarily, the driving recorder 100 also includes a damping shaft 60, one end of which is fixed to the second shell 20, and the other end is fixed to the shaft 52 of the base 50, for hindering the relative rotation of the second shell 20 and the base 50, so as to maintain the current relative angular position of the second shell 20 and the first shell 10 and stabilize the orientation of the camera module 40.

[0053] In some embodiments, the driving recorder 100 includes a shielding structure that covers at least the outer periphery of the portion of the wiring harness 90 located within the second accommodating cavity 20A. The shielding structure can form a shielding layer on the outer surface of the wiring harness 90 to reduce interference with the positioning antenna 30 caused by electromagnetic signals during communication within the wiring harness 90.

[0054] The shielding structure may be in any form, including but not limited to metal mesh or metallic paint, etc. For example, in an embodiment where the shielding structure is a metal mesh, the metal mesh also serves to enhance the structural strength of the wire harness 90 .

[0055] In some embodiments, the driving recorder 100 includes a power supply circuit, see Figure 2 and Figure 4 The power supply circuit includes an adapter plate 70 and a battery (not shown in the figure). The battery is located in the first accommodating cavity, and the adapter plate 70 is located in the second accommodating cavity 20A. The adapter plate 70 and the battery are electrically connected. The second shell 20 has an opening 20d, and the adapter plate 70 is provided with a power supply interface 71. The power supply interface 71 is exposed to the outside of the second shell 20 through the opening 20d. The external power supply transmits electrical energy to the power supply circuit through the power supply interface 71. The electrical energy can be used to drive the driving recorder 100 to work, or it can be converted into other forms and stored in the battery, and then released to drive the driving recorder 100 to work when the power is cut off. In this way, the driving recorder 100 has a longer battery life and can be used for monitoring after parking and turning off the engine, thereby enhancing the recording capability of the driving recorder 100.

[0056] It is understandable that the adapter board 70 can be used to convert the current input from the power supply interface 71 into the operating current of the driving recorder 100, or convert the current input from the power supply interface 71 into the charging current of the battery.

[0057] The second housing 20 is connected to the vehicle. The location of the power supply interface 71 in the second housing 20 reduces wiring length, helping to maintain a clean interior. The battery is located in the first housing 10 to minimize the impact of the metal material and current disturbances during charging and discharging on the positioning antenna 30 within the second housing 20.

[0058] Exemplarily, the wiring harness 90 is also used to achieve electrical connection between the adapter plate 70 and the battery.

[0059] Exemplarily, the power supply interface 71 draws power from a cigarette lighter via an adapter cable, or draws power from a reading light interface via an adapter cable.

[0060] In some embodiments, the adapter board 70 is a rigid circuit board. Compared with a flexible printed circuit board (FPC), a rigid circuit board has a lower cost and a fixed shape and structure, which is conducive to the installation of the power supply interface 71 and the connection with the wiring harness 90, thereby reducing the wiring length.

[0061] See also Figure 3 and Figure 4 In the orthographic projection parallel to the plane where the rigid circuit board is located, the rigid circuit board and the positioning antenna 30 are spaced apart, so that a clearance is left between the positioning antenna 30 and the rigid circuit board.

[0062] For some examples, see Figure 1 and Figure 2 The driving recorder 100 includes a solar cell 80. The second housing 20 has a light inlet 20a. The solar cell 80 is exposed outside the second housing 20 through the light inlet 20a. The solar cell 80 is electrically connected to the adapter plate 70. The solar cell 80 is used to convert solar energy from light entering through the light inlet 20a into electrical energy. The solar cell 80 is electrically connected to the adapter plate 70, thereby transmitting the generated electrical energy to the power supply circuit for operation of the driving recorder 100 or storing it in the battery.

[0063] In the embodiments of the present application, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, a first feature being "above," "above," and "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0064] In the description of this specification, reference to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example.

[0065] The various embodiments / implementations provided in this application can be combined with each other without causing any contradiction.

[0066] The foregoing description is merely a preferred embodiment of the present application and is not intended to limit the present application. Persons skilled in the art will readily appreciate that various modifications and variations are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A driving recorder, characterized in that: include: A first shell having a first accommodating cavity therein; a second housing having a second accommodating cavity therein, the second housing being configured to be connected to a vehicle; A positioning antenna, a positioning chip, a main control chip and a camera module, wherein the camera module, the positioning chip and the main control chip are all arranged in the first accommodating cavity, the positioning antenna is arranged in the second accommodating cavity, the positioning antenna is electrically connected to the positioning chip, the positioning chip is electrically connected to the main control chip, and the positioning antenna is used to receive satellite signals.

2. The driving recorder according to claim 1, characterized in that: The second shell has a first side wall, the outer surface of the first side wall is used to be attached to the vehicle, and the positioning antenna is arranged on the inner surface of the first side wall.

3. The driving recorder according to claim 2, characterized in that: The second shell includes a blocking portion, which is arranged on the inner surface of the first side wall. The inner surface of the first side wall encloses an installation area, and the positioning antenna is located in the installation area.

4. The driving recorder according to claim 2, characterized in that: The driving recorder includes a power supply circuit, and the positioning antenna includes an electrically connected signal amplifying circuit board and an antenna board. The antenna board is affixed to the inner surface of the first side wall, and the signal amplifying circuit board is located on the side of the antenna board away from the first side wall. The power supply circuit is used to supply power to the positioning antenna.

5. The driving recorder according to any one of claims 1 to 4, characterized in that: The driving recorder includes a base, which is rotatably arranged on the first shell. The axis of relative rotation between the base and the first shell is a first axis. The second shell is rotatably connected to the base. The axis of relative rotation between the second shell and the base is a second axis. The first axis intersects with the second axis.

6. The driving recorder according to claim 5, characterized in that: The driving recorder includes a wiring harness, which is at least used to achieve electrical connection between the positioning antenna and the positioning chip; The base has a wire passage, the wire passage communicates with the first accommodating cavity and the second accommodating cavity, and the wire harness is passed through the wire passage.

7. The driving recorder according to claim 6, characterized in that: The driving recorder includes a shielding structure, which covers at least the outer periphery of the portion of the wiring harness located in the second accommodating cavity.

8. The driving recorder according to any one of claims 1 to 4, characterized in that: The driving recorder includes a power supply circuit, which includes an adapter board and a battery. The battery is located in the first accommodating cavity, the adapter board is located in the second accommodating cavity, and the adapter board and the battery are electrically connected; The second shell has an opening, and the adapter plate is provided with a power supply interface, which is exposed to the outside of the second shell through the opening.

9. The driving recorder according to claim 8, characterized in that: The adapter plate is a hard circuit board. In an orthographic projection parallel to a plane where the hard circuit board is located, the hard circuit board and the positioning antenna are spaced apart.

10. The driving recorder according to claim 8, characterized in that: The driving recorder includes a solar cell. The second shell has a light inlet. The solar cell is exposed to the outside of the second shell through the light inlet. The solar cell is connected to the adapter plate.

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