A vehicle-mounted data acquisition terminal based on Beidou

Abstract

The present invention discloses a Beidou-based vehicle-mounted data acquisition terminal. The Beidou-based vehicle-mounted data acquisition terminal includes: a mounting end, a first data acquisition end, and a second data acquisition end; the mounting end includes: a fixed end and a connection end, the fixed end is used to be fixed at a set position in the vehicle; the connection end is used to connect the first data acquisition end and the second data acquisition end through a connection structure; the first data acquisition end and the second data acquisition end include a video acquisition module and an audio acquisition module. By setting the fixed end and the connection end, multiple vehicle-mounted data acquisition ends are integrated on one fixed end, reducing the wiring problem of the connecting lines of multiple acquisition ends, and the integrated installation method of multiple acquisition ends can save installation space, and can be set at any angle according to the installation space, saving the vehicle interior space.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicle-mounted devices, and particularly relates to a vehicle-mounted data acquisition terminal based on Beidou. Background Art

[0002] With the progress of technology, the autonomous driving technology of intelligent vehicles is also constantly developing. And relying on the development of communication technology, a future requirement for autonomous driving vehicles is to upload the data of the vehicle-mounted end to the cloud for processing in order to facilitate the background control of the autonomous driving of intelligent vehicles. However, the implementation of this kind of autonomous driving solution requires the data collection device in the vehicle to have a fast transmission speed, a large amount of data that can be transmitted at one time, and stable data transmission.

[0003] In the prior art, there may be multiple data acquisition ends, and they need to have a fixed installation angle range. However, due to different vehicle models, the fixed installation method cannot meet the actual needs, and usually different acquisition terminals need to be fixed for different vehicle models. Summary of the Invention

[0004] The present invention provides a vehicle-mounted data acquisition terminal based on Beidou to solve the above problems existing in the prior art.

[0005] The present invention provides a vehicle-mounted data acquisition terminal based on Beidou, including: an installation end, a first data acquisition end, and a second data acquisition end;

[0006] The installation end includes: a fixed end and a connection end. The fixed end is used to be fixed at a set position in the vehicle; the connection end connects the first data acquisition end and the second data acquisition end through a connection structure;

[0007] The first data acquisition end and the second data acquisition end include a video acquisition module and an audio acquisition module.

[0008] Preferably, there are multiple connection ends, and the connection structure of the connection ends is a rotatable connection structure;

[0009] The first data acquisition end and the second data acquisition end are respectively connected to different connection ends through a rotatable connection method;

[0010] The rotatable connection structure includes: a sleeve and a multi-headed connection pipe arranged in the sleeve; each head of the connection pipe is used to connect a data acquisition end;

[0011] A clamping protrusion is arranged inside the socket head, and a clamping groove is correspondingly arranged at the corresponding position of at least one end of the multi-headed connection pipe. Through the cooperation of the clamping protrusion and the clamping groove, the multi-headed connection pipe rotates in the sleeve; through the rotation of the multi-headed connection pipe in the sleeve, the first data acquisition end and the second data acquisition end connected to the multi-headed connection pipe are driven to rotate.

[0012] Preferably, the widths of the clamping protrusions and the clamping grooves correspond to a rotation angle. By setting the widths of the clamping protrusions and the clamping grooves, when the clamping protrusion moves one clamping groove, the multi - head connecting pipe moves a set rotation angle relative to the inside of the sleeve.

[0013] Preferably, a wiring port is provided at the port of each connecting pipe. The power supply port of the first data acquisition end is connected to the power supply module at the installation end through the wiring port, and the power supply module at the installation end is connected to the vehicle - mounted power supply device through an external wire.

[0014] Preferably, a first meshing gear is provided at the port of each connecting pipe, and a second meshing gear with the same structure as the first meshing gear is provided at the power supply port of the first data acquisition end or the second data acquisition end. When the connecting pipe is connected to the power supply port, the first meshing gear meshes with the second meshing gear;

[0015] A first bolt hole is provided on the power supply port, and a second bolt hole identical to the first bolt hole is provided at a corresponding position on one side of the connecting pipe. The power supply port and the connecting pipe are connected and fixed by bolts passing through the first bolt hole and the second bolt hole.

[0016] Preferably, a dust - proof cover is further included, and the dust - proof cover is used to cover and fasten to the connecting pipe by means of a buckle;

[0017] An insertion and extraction groove is provided on the dust - proof cover, and a plurality of slots matching the insertion and extraction groove are provided on one side of the fixed end. The insertion and extraction slots are used to place the dust - proof cover.

[0018] Preferably, an integrated control module is further included. The integrated control module is arranged in the housing of the fixed end, and the first data acquisition end and the second data acquisition end transmit the collected data to the integrated control module; the first data acquisition end includes a driving recorder, and the second data acquisition end includes an in - vehicle monitor;

[0019] The integrated control module includes: an audio processing unit and a video processing unit, which are used to perform audio processing and video processing on the collected audio data and video data;

[0020] The audio processing includes: audio noise reduction processing and voice recognition processing; the video processing includes: video noise reduction processing and video splicing processing.

[0021] Preferably, the integrated control module further includes:

[0022] A vehicle model information acquisition unit, a rotation angle calculation unit, and a display unit;

[0023] The vehicle model information acquisition unit is used to acquire the vehicle model information of the installed data acquisition terminal and obtain the spatial data of the installation position.

[0024] The rotation angle calculation unit is configured to calculate the rotation angle according to the spatial data of the installation position;

[0025] The display unit includes a display screen, which is embedded on the fixed end and displays the calculated rotation angle.

[0026] Preferably, the integrated control module further includes:

[0027] The initial position detection unit of the clamping protrusion is configured to detect whether the clamping protrusion is in the initial position;

[0028] The current position detection unit of the clamping protrusion is configured to detect the current position of the clamping protrusion when the clamping protrusion is not in the initial position;

[0029] The rotation grid number calculation unit of the clamping protrusion is configured to calculate the number of grids that the clamping protrusion needs to rotate according to the initial position and the current position of the clamping protrusion, and the rotation angle calculated by the rotation angle calculation unit, and achieve the rotation angle by rotating the clamping protrusion by the corresponding number of grids.

[0030] Preferably, the vehicle model information acquisition unit includes:

[0031] The vehicle model acquisition sub-unit is configured to acquire vehicle model information according to the information of the vehicle-mounted system;

[0032] The three-dimensional model acquisition unit of the vehicle model is configured to obtain the three-dimensional model image of the vehicle model according to the vehicle model;

[0033] The installation position determination unit is configured to determine the installation position according to the three-dimensional model image of the vehicle model;

[0034] The spatial data acquisition unit of the installation position is configured to determine the spatial data of the installation position according to the determined installation position through the three-dimensional model image of the vehicle model; or, measure the three-dimensional distance of the installation position through a distance measurement sensor to determine the spatial data of the installation position;

[0035] The spatial data includes: the three-dimensional distance from the installation position to the front windshield, the three-dimensional distance from the installation position to the roof, and the three-dimensional distance from the installation position to the rearview mirror.

[0036] Compared with the prior art, the present invention has the following advantages:

[0037] The present invention provides a Beidou-based vehicle data acquisition terminal. The Beidou-based vehicle data acquisition terminal includes: a mounting end, a first data acquisition end, and a second data acquisition end; the mounting end includes: a fixing end and a connecting end, the fixing end is used to be fixed at a set position in the vehicle; the connecting end is used to connect the first data acquisition end and the second data acquisition end through a connecting structure; the first data acquisition end and the second data acquisition end include a video acquisition module and an audio acquisition module. By setting the fixing end and the connecting end, multiple vehicle data acquisition ends are integrated on one fixing end, reducing the wiring problem of the connecting lines of multiple acquisition ends, and the integrated installation method of multiple acquisition ends can save installation space and can be set at any angle according to the installation space, saving the vehicle interior space.

[0038] Other features and advantages of the present invention will be described in the following specification, and in part, will become obvious from the specification, or will be understood by implementing the present invention. The objectives and other advantages of the present invention can be achieved and obtained by the structures specifically pointed out in the written specification, claims, and drawings.

[0039] The technical solutions of the present invention will be further described in detail below through the drawings and embodiments. Description of the Drawings

[0040] The drawings are used to provide a further understanding of the present invention, and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention, and do not constitute a limitation to the present invention. In the drawings:

[0041] Figure 1 is a schematic structural diagram of a Beidou-based vehicle data acquisition terminal in an embodiment of the present invention;

[0042] Figure 2 is a product diagram of a Beidou-based vehicle data acquisition terminal in an embodiment of the present invention;

[0043] Figure 3 is a schematic connection structure diagram between the connecting end and the data acquisition end in an embodiment of the present invention. Detailed Embodiments

[0044] The following describes the preferred embodiments of the present invention with reference to the drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0045] An embodiment of the present invention provides a Beidou-based vehicle data acquisition terminal. Please refer to Figures 1 to 3 . The Beidou-based vehicle data acquisition terminal includes: a mounting end, a first data acquisition end, and a second data acquisition end;

[0046] The installation end includes: a fixed end and a connection end. The fixed end is used to be fixed at a set position in the vehicle; the connection end is used to connect the first data acquisition end and the second data acquisition end through a connection structure.

[0047] The first data acquisition end and the second data acquisition end include a video acquisition module and an audio acquisition module.

[0048] The working principle and beneficial effects of the above technical solution are as follows: The solution adopted in this embodiment is the installation end 1, the first data acquisition end and the second data acquisition end; the installation end 1 includes: a fixed end 101 and a connection end 102. The fixed end 101 is used to be fixed at a set position in the vehicle; the connection end 102 is used to connect the first data acquisition end and the second data acquisition end through a connection structure; the first data acquisition end and the second data acquisition end include a video acquisition module and an audio acquisition module.

[0049] In this embodiment, by setting the fixed end and the connection end, multiple vehicle-mounted data acquisition ends are integrated on one fixed end, reducing the wiring problem of the connecting lines of multiple acquisition ends. Moreover, the integrated installation method of multiple acquisition ends can save installation space and can be set at any angle according to the installation space, saving the vehicle interior space.

[0050] In another embodiment, there are multiple connection ends 102, and the connection structure of the connection ends 102 is a rotatable connection structure.

[0051] The first data acquisition end and the second data acquisition end are respectively connected to different connection ends through a rotatable connection method.

[0052] The rotatable connection structure includes: a sleeve 103 and a multi-head connecting pipe 104 arranged in the sleeve; each head of the multi-head connecting pipe 104 is used to connect one data acquisition end.

[0053] At least one end of the multi-head connecting pipe 104 is provided with a clamping protrusion 105, and a clamping groove is arranged at the corresponding position on the inner wall of the sleeve 103. Through the cooperation of the clamping protrusion 105 and the clamping groove, the multi-head connecting pipe 104 rotates in the sleeve 103; through the rotation of the multi-head connecting pipe 104 in the sleeve 103, the first data acquisition end and the second data acquisition end connected to the multi-head connecting pipe 104 are driven to rotate.

[0054] The working principle and beneficial effects of the above technical solution are as follows: The solution adopted in this embodiment is that there are multiple connection ends 102, and the connection structure of the connection ends 102 is a rotatable connection structure; the first data acquisition end and the second data acquisition end are respectively connected to different connection ends through a rotatable connection method; the rotatable connection structure includes: a sleeve 103 and a multi-head connection pipe 104 arranged inside the sleeve; each head of the multi-head connection pipe 104 is used to connect a data acquisition end; at least one end of the multi-head connection pipe 104 is provided with a clamping protrusion 105 inside the socket, and a clamping groove is arranged at the corresponding position on the inner wall of the sleeve 103. Through the cooperation of the clamping protrusion 105 and the clamping groove, the multi-head connection pipe 104 rotates inside the sleeve 103; through the rotation of the multi-head connection pipe 104 inside the sleeve 103, the first data acquisition end and the second data acquisition end connected to the multi-head connection pipe 104 are driven to rotate. Each connection end can be connected to the vehicle-mounted acquisition end, so that multiple vehicle-mounted acquisition ends can be fixed at the set positions, and by setting multiple clamping grooves, the relative rotation between the acquisition end and the fixed end is enabled, and the specific position and angle of the acquisition end are adjusted according to the different spatial structures of different vehicle models.

[0055] In another embodiment, the widths of the clamping protrusion 105 and the clamping groove correspond to a rotation angle. By setting the widths of the clamping protrusion 105 and the clamping groove, when the clamping protrusion moves one clamping groove, the multi-head connection pipe moves a set rotation angle relative to the inside of the sleeve.

[0056] The working principle and beneficial effects of the above technical solution are as follows: The solution adopted in this embodiment is that the widths of the clamping protrusion and the clamping groove correspond to a rotation angle. By setting the widths of the clamping protrusion and the clamping groove, when the clamping protrusion moves one clamping groove, the multi-head connection pipe moves a set rotation angle relative to the inside of the sleeve.

[0057] In this embodiment, by setting the widths of the clamping protrusion and the clamping groove, the rotation angle when the clamping protrusion moves one clamping groove can be calculated. According to the total rotation angle required, the number of clamping grooves that the clamping protrusion needs to move can be calculated, and the rotation angle is directly reflected in the number of moving grids of the clamping protrusion, which is convenient for the operation of the installation personnel.

[0058] In another embodiment, wiring ports are arranged at the ports of each connection pipe. The power supply port of the first data acquisition end is connected to the power supply module of the installation end through the wiring port, and the power supply module of the installation end is connected to the vehicle-mounted power supply device through an external wire.

[0059] The working principle and beneficial effects of the above technical solution are as follows: In this embodiment, the adopted solution is that a wiring port 106 is provided at each port of the connecting pipe 104. The power supply port 107 of the first data acquisition end is connected to the power supply module of the installation end 1 through the wiring port 106, and the power supply module of the installation end 1 is connected to the vehicle-mounted power supply device through an external wire. The number of external power supply line devices is reduced, and the connection is made through the power supply interface, which has low cost, is convenient to install, and saves the vehicle interior space.

[0060] In another embodiment, a first meshing gear 108 is provided at the port of each connecting pipe 104. Correspondingly, a second meshing gear 109 with the same structure as the first meshing gear 108 is provided at the power supply port of the first data acquisition end or the second data acquisition end. When the connecting pipe is connected to the power supply port, the first meshing gear 108 meshes with the second meshing gear 109.

[0061] A first bolt hole is provided on the power supply port 107, and a second bolt hole 110 identical to the first bolt hole is provided at a corresponding position on one side of the connecting pipe. The power supply port and the connecting pipe are connected and fixed by passing a bolt through the first bolt hole and the second bolt hole 110.

[0062] The working principle and beneficial effects of the above technical solution are as follows: In this embodiment, the adopted solution is that a first meshing gear 108 is provided at the port of each connecting pipe 104. Correspondingly, a second meshing gear 109 with the same structure as the first meshing gear 108 is provided at the power supply port of the first data acquisition end or the second data acquisition end. When the connecting pipe is connected to the power supply port, the first meshing gear 108 meshes with the second meshing gear 109. A first bolt hole is provided on the power supply port 107, and a second bolt hole 110 identical to the first bolt hole is provided at a corresponding position on one side of the connecting pipe. The power supply port and the connecting pipe are connected and fixed by passing a bolt through the first bolt hole and the second bolt hole 110. Fixing through the meshing gear can increase the connection firmness between the two and avoid loosening caused by vibration.

[0063] In another embodiment, a dust cover is further included, and the dust cover is used to cover the connecting pipe 104 by means of a buckle.

[0064] An insertion and extraction groove is provided on the dust cover, and a plurality of slots matching the insertion and extraction groove are provided on one side of the fixed end. The insertion and extraction slot is used to place the dust cover.

[0065] The working principle and beneficial effects of the above technical solution are as follows: The solution adopted in this embodiment further includes a dust cover, which is used to cover the connecting pipe by means of a buckle; an insertion and extraction groove is provided on the dust cover, and a plurality of slots matching the insertion and extraction groove are provided on one side of the fixed end. The insertion and extraction slots are used to place the dust cover. The connection end is sealed by the dust cover to avoid dust falling or other safety hazards. And through the insertion and extraction method, it can be freely combined. When not needed, it can be inserted into the fixed end. When needed, it can be buckled on the connecting pipe by means of a buckle, which is convenient to use and avoids loss.

[0066] In another embodiment, it further includes an integrated control module, which is arranged in the housing of the fixed end. The first data acquisition end and the second data acquisition end transmit the acquired data to the integrated control module; the first data acquisition end includes a driving recorder, and the second data acquisition end includes an in-vehicle monitor;

[0067] The integrated control module includes: an audio processing unit and a video processing unit, which are used to perform audio processing and video processing on the acquired audio data and video data;

[0068] The audio processing includes: audio noise reduction processing and voice recognition processing; the video processing includes: video noise reduction processing and video splicing processing.

[0069] The working principle and beneficial effects of the above technical solution are as follows: The solution adopted in this embodiment further includes an integrated control module, which is arranged in the housing of the fixed end. The first data acquisition end and the second data acquisition end transmit the acquired data to the integrated control module; the first data acquisition end includes a driving recorder, and the second data acquisition end includes an in-vehicle monitor; the integrated control module includes: an audio processing unit and a video processing unit, which are used to perform audio processing and video processing on the acquired audio data and video data; the audio processing includes: audio noise reduction processing and voice recognition processing; the video processing includes: video noise reduction processing and video splicing processing.

[0070] In this embodiment, all the data of all in-vehicle data acquisition terminals can be summarized into the integrated control module, and audio and video, etc. can be processed, and the synthesized audio and video, etc. can be directly output. For example, when the videos inside and outside the vehicle are needed at the same time, the videos inside and outside the vehicle can be spliced according to the time node, and the situation inside and outside the vehicle can be viewed simultaneously on the display device, reducing the operation steps and processes.

[0071] In another embodiment, the integrated control module further includes:

[0072] a vehicle model information acquisition unit, a rotation angle calculation unit, and a display unit;

[0073] The vehicle model information acquisition unit is used to acquire the vehicle model information of the installation data acquisition terminal and obtain the spatial data of the installation location;

[0074] The rotation angle calculation unit is used to calculate the rotation angle according to the spatial data of the installation location;

[0075] The display unit includes a display screen, which is embedded on the fixed end and displays the calculated rotation angle.

[0076] The working principle and beneficial effects of the above technical solution are as follows: The solution adopted in this embodiment is that the integrated control module further includes:

[0077] The vehicle model information acquisition unit, the rotation angle calculation unit and the display unit;

[0078] The vehicle model information acquisition unit is used to acquire the vehicle model information of the installation data acquisition terminal and obtain the spatial data of the installation location;

[0079] The rotation angle calculation unit is used to calculate the rotation angle according to the spatial data of the installation location;

[0080] The display unit includes a display screen, which is embedded on the fixed end and displays the calculated rotation angle.

[0081] In this embodiment, the automatic calculation method can reduce the error frequency of manual calculation or installation according to experience during installation. The scientific automatic calculation method can ensure the accuracy of the installation angle, save the vehicle interior space to the greatest extent, and ensure that each data acquisition terminal can work properly.

[0082] In another embodiment, the integrated control module further includes:

[0083] The initial position detection unit of the clamping protrusion is used to detect whether the clamping protrusion is in the initial position;

[0084] The current position detection unit of the clamping protrusion is used to detect the current position of the clamping protrusion when the clamping protrusion is not in the initial position;

[0085] The rotation grid number calculation unit of the clamping protrusion is used to calculate the number of grids that the clamping protrusion needs to rotate according to the initial position and the current position of the clamping protrusion, and the rotation angle calculated by the rotation angle calculation unit, and reach the rotation angle by rotating the clamping protrusion by the corresponding number of grids.

[0086] The working principle and beneficial effects of the above technical solution are as follows: The solution adopted in this embodiment is that the integrated control module further includes:

[0087] The initial position detection unit of the clamping protrusion is used to detect whether the clamping protrusion is in the initial position;

[0088] The current position detection unit of the clamping protrusion is used to detect the current position of the clamping protrusion when the clamping protrusion is not at the initial position;

[0089] The rotation grid number calculation unit of the clamping protrusion is used to calculate the number of grids that the clamping protrusion needs to rotate according to the initial position and the current position of the clamping protrusion, and the rotation angle calculated by the rotation angle calculation unit, so as to achieve the rotation angle by rotating the clamping protrusion by the corresponding number of grids.

[0090] In this embodiment, by setting the widths of the clamping protrusion and the clamping groove, the rotation angle when the clamping protrusion moves one clamping groove can be calculated. According to the total rotation angle required, the number of clamping grooves that the clamping protrusion needs to move can be calculated, and the rotation angle is directly reflected in the moving grid number of the clamping protrusion, which is convenient for the installer to operate.

[0091] In another embodiment, the vehicle model information acquisition unit includes:

[0092] The vehicle model acquisition subunit is used to acquire vehicle model information according to the information of the vehicle-mounted system;

[0093] The vehicle model three-dimensional model acquisition unit is used to obtain the three-dimensional model image of the vehicle model according to the vehicle model;

[0094] The installation position determination unit is used to determine the installation position according to the three-dimensional model image of the vehicle model;

[0095] The installation position space data acquisition unit is used to determine the space data of the installation position through the three-dimensional model image of the vehicle model according to the determined installation position; or, measure the three-dimensional distance of the installation position through a distance measurement sensor to determine the space data of the installation position;

[0096] The space data includes: the three-dimensional distance of this installation position from the front windshield, the three-dimensional distance from the roof, and the three-dimensional distance from the rearview mirror.

[0097] The working principle and beneficial effects of the above technical solution are: The solution adopted in this embodiment is that the vehicle model information acquisition unit includes:

[0098] The vehicle model acquisition subunit is used to acquire vehicle model information according to the information of the vehicle-mounted system;

[0099] The vehicle model three-dimensional model acquisition unit is used to obtain the three-dimensional model image of the vehicle model according to the vehicle model;

[0100] The installation position determination unit is used to determine the installation position according to the three-dimensional model image of the vehicle model;

[0101] An installation position space data acquisition unit, configured to determine the space data of the installation position based on the determined installation position through the three-dimensional model image of the vehicle model; or, measure the three-dimensional distance of the installation position through a distance measurement sensor to determine the space data of the installation position;

[0102] The space data includes: the three-dimensional distance of the installation position from the front windshield, the three-dimensional distance from the roof, and the three-dimensional distance from the rearview mirror.

[0103] In this embodiment, after the installation position is determined, the space data of the installation position is measured or calculated, etc. The installation position and the space data can be determined by a more accurate data calculation method, further ensuring the setting of the most scientific installation position, and within the space area defined by the installation position, multiple data acquisition terminals are installed, and there is a corresponding angle setting between the data acquisition terminals, ensuring that each data acquisition terminal can work properly using the most scientific and space-saving space. At the same time, at this installation position, the driver's field of vision is not affected.

[0104] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention also intends to include these changes and modifications.

Claims

1. A vehicle-mounted data acquisition terminal based on Beidou, characterized in that, it includes: an installation end, a first data acquisition end and a second data acquisition end; The installation end includes: a fixed end and a connection end. The fixed end is used to be fixed at a set position in the vehicle; the connection end is used to connect the first data acquisition end and the second data acquisition end through a connection structure; The first data acquisition end and the second data acquisition end include a video acquisition module and an audio acquisition module; There are multiple connection ends, and the connection structure of the connection ends is a rotatable connection structure; The first data acquisition end and the second data acquisition end are respectively connected to different connection ends through a rotatable connection method; The rotatable connection structure includes: a sleeve and a multi-head connecting pipe arranged in the sleeve; each head of the multi-head connecting pipe is used to connect a data acquisition end; At least one end of the multi-head connecting pipe is provided with a clamping protrusion, and a clamping groove is arranged at the corresponding position on the inner wall of the sleeve. Through the cooperation of the clamping protrusion and the clamping groove, the multi-head connecting pipe rotates in the sleeve; through the rotation of the multi-head connecting pipe in the sleeve, the first data acquisition end and the second data acquisition end connected to the multi-head connecting pipe are driven to rotate; The width of the clamping protrusion and the clamping groove corresponds to a rotation angle. By setting the width of the clamping protrusion and the clamping groove, when the clamping protrusion moves one clamping groove, the multi-head connecting pipe moves a set rotation angle relative to the inside of the sleeve; It further includes an integrated control module, and the integrated control module is arranged in the housing of the fixed end; The integrated control module further includes: a vehicle model information acquisition unit, a rotation angle calculation unit and a display unit; The vehicle model information acquisition unit is used to acquire the vehicle model information of the installed data acquisition terminal and obtain the spatial data of the installation position; The rotation angle calculation unit is used to calculate the rotation angle according to the spatial data of the installation position; The display unit includes a display screen, which is embedded on the fixed end and displays the calculated rotation angle; The integrated control module further includes: a clamping protrusion initial position detection unit, which is used to detect whether the clamping protrusion is in the initial position; a clamping protrusion current position detection unit, which is used to detect the current position of the clamping protrusion when the clamping protrusion is not in the initial position; a clamping protrusion rotation grid number calculation unit, which is used to calculate the number of grids that the clamping protrusion needs to rotate according to the initial position and the current position of the clamping protrusion, and the rotation angle calculated by the rotation angle calculation unit, and reach the rotation angle by rotating the clamping protrusion by the corresponding number of grids; The vehicle model information acquisition unit includes: a vehicle model acquisition sub-unit, which is used to acquire vehicle model information according to the information of the vehicle-mounted system; a vehicle model three-dimensional model acquisition unit, which is used to obtain the three-dimensional model image of the vehicle model according to the vehicle model; an installation position determination unit, which is used to determine the installation position according to the three-dimensional model image of the vehicle model; an installation position spatial data acquisition unit, which is used to determine the spatial data of the installation position according to the determined installation position through the three-dimensional model image of the vehicle model; or, determine the spatial data of the installation position by measuring the three-dimensional distance of the installation position through a distance measurement sensor; The spatial data includes: the three-dimensional distance from the installation position to the front windshield, the three-dimensional distance from the roof, and the three-dimensional distance from the rearview mirror.

2. The vehicle-mounted data acquisition terminal based on Beidou according to claim 1, characterized in that, Wiring ports are provided at the ports of the multi-head connecting pipe. The power supply port of the first data acquisition end is connected to the power supply module of the installation end through the wiring port, and the power supply module of the installation end is connected to the vehicle-mounted power supply device through an external wire.

3. The vehicle-mounted data acquisition terminal based on Beidou according to claim 1, characterized in that, The port of the multi-head connecting pipe is provided with a first meshing gear. Correspondingly, a second meshing gear with the same structure as the first meshing gear is provided at the power supply port of the first data acquisition end or the second data acquisition end. When the connecting pipe is connected to the power supply port, the first meshing gear meshes with the second meshing gear; A first bolt hole is provided on the power supply port, and a second bolt hole identical to the first bolt hole is provided at a corresponding position on one side of the connecting pipe. The power supply port and the connecting pipe are connected and fixed by bolts passing through the first bolt hole and the second bolt hole.

4. The vehicle-mounted data acquisition terminal based on Beidou according to claim 1, characterized in that, It further includes a dust-proof cover, and the dust-proof cover is used to cover the multi-head connecting pipe by means of a buckle; The dust-proof cover is provided with a plug-in slot, and a plurality of slots matching the plug-in slot are provided on one side of the fixed end. The plug-in slot is used to place the dust-proof cover.

5. The vehicle-mounted data acquisition terminal based on Beidou according to claim 1, characterized in that, The first data acquisition end and the second data acquisition end transmit the collected data to the integrated control module; the first data acquisition end includes a driving recorder, and the second data acquisition end includes an in-vehicle monitor; The integrated control module includes: an audio processing unit and a video processing unit, which are used to perform audio processing and video processing on the collected audio data and video data; The audio processing includes: audio noise reduction processing and voice recognition processing; the video processing includes: video noise reduction processing and video splicing processing.

Images