DVR automobile data recorder
By incorporating components such as camera modules and image processors into the dashcam, USB and WIFI power supply compatibility is achieved, solving the problem of limited functionality. It supports remote monitoring and autonomous data transmission, reducing production inventory and costs.
Patent Information
- Application Number
- CN202520136672.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Existing dashcams have limited functionality and cannot achieve remote monitoring or autonomous data transmission.
It adopts a camera module, image processor, microphone, accelerometer, memory, USB interface, voice broadcast module, TF card slot, WIFI module and power DC-DC converter. It connects to the car's system or mobile phone through the WIFI module to realize remote monitoring and data transmission, and is compatible with car battery and USB power supply.
It achieves compatibility between USB and WIFI dashcams, reducing production inventory and financial pressure, and supports remote monitoring and autonomous data transmission, thus reducing costs.
Smart Images

Figure CN223897907U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electronic product technology, and in particular discloses a DVR (Dashcam) vehicle recorder. Background Technology
[0002] A DVR (Dash Cam) is an in-vehicle device used to record video and audio information during driving. However, existing DVRs can only save the recorded video and audio information locally.
[0003] Therefore, the limited functionality of existing dashcams is a technical problem that urgently needs to be solved. Utility Model Content
[0004] This utility model provides a DVR dashcam, which aims to solve the technical problem of the limited functionality of existing dashcams.
[0005] This utility model relates to a DVR (Dashcam) vehicle recorder, including a camera module, an image processor, a microphone, an accelerometer, a memory, a USB interface, a voice broadcast module, a TF card slot, a WIFI module, and a DC-DC power converter. The image processor is connected to the camera module, microphone, accelerometer, memory, USB interface, voice broadcast module, TF card slot, WIFI module, and DC-DC power converter.
[0006] Furthermore, the DVR dashcam also includes a power switching module. The image processor is connected to the output terminal of the external battery, the output terminal of the power DC-DC converter, and the input terminal of the power switching module. The output terminal of the power switching module is connected to the WIFI module and the USB interface.
[0007] Furthermore, the power supply DC-DC converter includes a DC-DC conversion chip, which is connected to the camera module, image processor, microphone, accelerometer, memory, USB interface, voice broadcast module, TF card slot and WIFI module respectively.
[0008] Furthermore, the image processor is model GK1211.
[0009] Furthermore, the memory includes NOR FLASH and EMMC memory cells.
[0010] Furthermore, the accelerometer is a triaxial accelerometer.
[0011] Furthermore, the USB interface includes a USB card reader.
[0012] Furthermore, the voice broadcast module includes a power amplifier chip and a speaker connected to the power amplifier chip.
[0013] Furthermore, the camera module includes an image sensor chip and a camera connected to the image sensor chip.
[0014] The beneficial effects achieved by this utility model are as follows:
[0015] This utility model provides a DVR (Dashcam) for vehicles, comprising a camera module, an image processor, a microphone, an accelerometer, a memory, a USB interface, a voice broadcast module, a TF card slot, a Wi-Fi module, and a DC-DC converter. The image processor is connected to the camera module, microphone, accelerometer, memory, USB interface, voice broadcast module, TF card slot, Wi-Fi module, and DC-DC converter. The camera module is responsible for acquiring image information; the image processor is responsible for image processing, encoding, and storage; the microphone is responsible for acquiring image information; and the accelerometer is responsible for acquiring acceleration values, providing a threshold for collision recording. The system includes: a memory for storing the image processor's code; a USB interface for data transmission and 5V power supply; a voice broadcast module for providing voice broadcasts; a TF card slot for accepting TF cards for storage; a Wi-Fi module for network connection and data transmission; and a DC-DC converter for powering the entire device. The DVR dashcam connects to both an external mobile phone and a car stereo via the Wi-Fi module. The mobile phone communicates with the Wi-Fi module to display recorded video and send setting parameters to the DVR. The car stereo also communicates with the Wi-Fi module to display recorded video and send setting parameters to the DVR. This DVR dashcam is powered by a car battery and connects to a car stereo or mobile phone via Wi-Fi (Wi-Fi Direct). Using an app on the vehicle's infotainment system or mobile phone, combined with the GPS of the system, users can: preview, play back and download videos with location tracking; take photos and set settings on the interface: start and stop recording, parking monitoring, sound capture, and camera parameter adjustment; or connect directly to the vehicle's infotainment system via USB, using the app on the system and the system's GPS to: preview, play back and download videos with location tracking, take photos and set settings on the interface: start and stop recording, parking monitoring, sound capture, and camera parameter adjustment. Remote monitoring, downloading, playback of location-tracked videos, and parameter settings can be achieved by connecting to the vehicle's Wi-Fi hotspot. The specific beneficial effects of this DVR dashcam are as follows:
[0016] 1. With a design that is compatible with both vehicle battery power and USB power supply, it can realize both USB dashcam and WIFI dashcam, so as to unify production and inventory preparation and reduce inventory and capital pressure.
[0017] 2. By connecting to the vehicle's hotspot, the dashcam automatically transmits video data to a designated platform. (Currently, the common practice is for the vehicle's infotainment system app to upload video data, and vehicle manufacturers require security management certification for data uploads.)
[0018] 3. The use of vehicle-mounted or mobile phone GPS reduces the cost of dashcams. Attached Figure Description
[0019] Figure 1 This is a functional block diagram of an embodiment of a DVR (Dashcam) for vehicles according to this utility model;
[0020] Figure 2 This is a system connection diagram of an embodiment of a DVR dashcam according to the present invention;
[0021] Figure 3 This is a circuit diagram of an embodiment of a DC-DC converter for a DVR (Dashcam) of the present invention.
[0022] Figure 4 This is a circuit connection diagram of the first part of the image processor in a DVR dashcam according to the present invention;
[0023] Figure 5 This is a circuit connection diagram of the second part of the image processor in a DVR dashcam according to the present invention;
[0024] Figure 6 This is a circuit connection diagram of the third part of the image processor in a DVR dashcam according to the present invention;
[0025] Figure 7 This is a circuit connection diagram of the fourth part of the image processor in a DVR dashcam according to this utility model;
[0026] Figure 8 This is a circuit connection diagram of an embodiment of the memory in a DVR (Dashcam) of the present invention;
[0027] Figure 9 This is a circuit connection diagram of an embodiment of the WIFI module, MIC and voice broadcast module in a DVR dashcam according to this utility model;
[0028] Figure 10 This is a circuit connection diagram of a camera module in a DVR dashcam according to an embodiment of the present invention;
[0029] Figure 11 This is a circuit connection diagram of an embodiment of the TF card slot in a DVR dashcam according to this utility model.
[0030] Explanation of icon numbers:
[0031] 10. Camera module; 20. Image processor; 30. Microphone; 40. Accelerometer; 50. Memory; 60. USB interface; 70. Voice broadcast module; 80. TF card slot; 91. WIFI module; 92. Power DC-DC converter. Detailed Implementation
[0032] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.
[0033] like Figure 1 and Figure 2As shown, the first embodiment of this utility model proposes a DVR (Dashcam) vehicle recorder, including a camera module 10, an image processor 20, a microphone 30, an accelerometer 40, a memory 50, a USB interface 60, a voice broadcast module 70, a TF card slot 80, a WIFI module 91, and a DC-DC converter 92. The image processor 20 is connected to the camera module 10, microphone 30, accelerometer 40, memory 50, USB interface 60, voice broadcast module 70, TF card slot 80, WIFI module 91, and DC-DC converter 92. The camera module 10 is responsible for acquiring image information; the image processor 20 is used for image processing, encoding, and storage; the microphone 30 is responsible for acquiring image information; and the accelerometer 40... The device is equipped with a sensor 50 for collecting acceleration values and providing a threshold for collision recording; a memory 50 for storing the image processor's code; a USB interface 60 for data transmission and 5V power supply; a voice broadcast module 70 for providing voice broadcast; a TF card slot 80 for accepting TF cards for storage; a WIFI module 91 for connecting to the network and transmitting data; and a DC-DC converter 92 for providing power to the entire device. The DVR dashcam connects to both an external mobile phone and a car stereo via the WIFI module. The mobile phone communicates with the WIFI module 91 to display recorded video and send setting parameters to the DVR dashcam. The car stereo also communicates with the WIFI module 91 to display recorded video and send setting parameters to the DVR dashcam. This DVR dashcam is powered by a car battery and connects to a car stereo or mobile phone via WIFI (Wi-Fi Direct). Using the in-vehicle infotainment system or a mobile app, combined with the GPS on either device, users can: preview, play back and download videos with location tracking; take photos and adjust settings on the interface, including starting and stopping recording, parking monitoring, sound capture, and camera parameter adjustments. Alternatively, by connecting directly to the in-vehicle infotainment system via USB, users can also use the app to preview, play back and download videos with location tracking, and take photos and adjust settings on the interface, including starting and stopping recording, parking monitoring, sound capture, and camera parameter adjustments. Connecting to the in-vehicle infotainment system's hotspot via Wi-Fi enables remote monitoring, downloading, playback of location-tracked videos, and parameter settings.
[0034] Further, please see Figures 1 to 11The DVR dashcam provided in this embodiment includes a power switching module. An image processor 20 is connected to the output terminal of an external battery, the output terminal of a DC-DC converter 92, and the input terminal of the power switching module. The output terminal of the power switching module is connected to a WIFI module 91 and a USB interface 60. The image processor 20 determines whether the external battery's power supply voltage is greater than a first voltage (10V). If the external battery's power supply voltage is greater than the first voltage (10V), the power switching module is activated, and data is transmitted using the WIFI module 91. If the external battery's power supply voltage is less than the first voltage (10V) and the USB input voltage is a second voltage (5V), the power switching module is activated, and data is transmitted using the USB interface 60. The DVR dashcam provided in this embodiment, through its compatible design with both vehicle battery power and USB power supply, can realize both USB and WIFI dashcams, unifying production and inventory preparation, and reducing inventory and financial pressure.
[0035] Preferably, see details. Figures 1 to 11 The DVR dashcam provided in this embodiment includes a DC-DC converter 92 with a DC-DC converter chip. This DC-DC converter chip is connected to the camera module 10, image processor 20, microphone 30, accelerometer 40, memory 50, USB interface 60, voice broadcast module 70, TF card slot 80, and WIFI module 91. In this embodiment, the image processor 20 is a GK1211. The memory 50 includes a 64M NOR FLASH and an eMMC storage unit. The accelerometer 40 is a three-axis accelerometer. The USB interface 60 includes a USB card reader. The voice broadcast module 70 includes a power amplifier chip and a speaker connected to the power amplifier chip.
[0036] like Figures 1 to 11 As shown in the figure, the working principle of the DVR dashcam provided in this embodiment is as follows:
[0037] The camera module 10 is responsible for acquiring image information; the image processor 20 is used for image processing, encoding, and storage; the microphone 30 is responsible for acquiring image information; the accelerometer 40 is responsible for acquiring acceleration values, providing a threshold for collision recording; the memory 50 is used to store the image processor's code; the USB interface 60 is used for data transmission and 5V power supply; the voice broadcast module 70 is used for providing voice broadcast; the TF card slot 80 is used for accepting TF cards for storage; the WIFI module 91 is used for connecting to the network and transmitting data; the power DC-DC converter 92 is used for providing power to the entire device; the DVR dashcam connects to an external mobile phone and a car stereo via the WIFI module. The mobile phone communicates with the WIFI module 91 to display recorded video and send setting parameters to the DVR dashcam; the car stereo communicates with the WIFI module 91 to display recorded video and send setting parameters to the DVR dashcam. The DVR dashcam provided by this utility model is powered by a car battery and connects to a car stereo or mobile phone via WIFI. Using the in-vehicle infotainment system or a mobile app, combined with the GPS on either device, users can: preview, play back and download videos with location tracking; take photos and adjust settings on the interface, including starting and stopping recording, parking monitoring, sound capture, and camera parameter adjustments. Alternatively, by connecting directly to the in-vehicle infotainment system via USB, users can also use the app to preview, play back and download videos with location tracking, and take photos and adjust settings on the interface, including starting and stopping recording, parking monitoring, sound capture, and camera parameter adjustments. Connecting to the in-vehicle infotainment system's hotspot via Wi-Fi enables remote monitoring, downloading, playback of location-tracked videos, and parameter settings.
[0038] The image processor 20 determines whether the power supply voltage of the external battery is greater than the first voltage (10V). If the power supply voltage of the external battery is greater than the first voltage (10V), the power switching module is controlled to operate and the WIFI module 91 is used to transmit data. If the power supply voltage of the external battery is less than the first voltage (10V) and the USB input voltage is the second voltage (5V), the power switching module is controlled to operate and the USB interface 60 is used to transmit data.
[0039] The DVR dashcam provided in this embodiment, compared with the prior art, employs a camera module, an image processor, a microphone, an accelerometer, a memory, a USB interface, a voice broadcast module, a TF card slot, a WIFI module, and a DC-DC power converter. The image processor is connected to the camera module, microphone, accelerometer, memory, USB interface, voice broadcast module, TF card slot, WIFI module, and DC-DC power converter. The camera module is responsible for acquiring image information; the image processor is responsible for image processing, encoding, and storage; the microphone is responsible for acquiring image information; and the accelerometer is responsible for acquiring acceleration values to provide data for collision recording. The system includes: a threshold value; a memory for storing the image processor's code; a USB interface for data transmission and 5V power supply; a voice broadcast module for providing voice broadcast; a TF card slot for accepting TF cards for storage; a Wi-Fi module for network connection and data transmission; a DC-DC converter for powering the entire device; and a DVR dashcam connected to both an external mobile phone and a car stereo via the Wi-Fi module. The mobile phone communicates with the Wi-Fi module to display recorded video and send setting parameters to the DVR dashcam. The car stereo also communicates with the Wi-Fi module to display recorded video and send setting parameters to the DVR dashcam. In this embodiment, the DVR dashcam is powered by a car battery and connects to either a car stereo or a mobile phone via Wi-Fi. Using an app on the vehicle's infotainment system or mobile phone, combined with the GPS of the system, users can: preview, play back and download videos with location tracking; take photos and set settings on the interface: start and stop recording, parking monitoring, sound capture, and camera parameter adjustment; or connect directly to the vehicle's infotainment system via USB, using the app on the system and the system's GPS to: preview, play back and download videos with location tracking, take photos and set settings on the interface: start and stop recording, parking monitoring, sound capture, and camera parameter adjustment. Remote monitoring, downloading, playback of location-tracked videos, and parameter settings can be achieved by connecting to the vehicle's Wi-Fi hotspot. The specific beneficial effects of this DVR dashcam are as follows:
[0040] 1. With a design that is compatible with both vehicle battery power and USB power supply, it can realize both USB dashcam and WIFI dashcam, so as to unify production and inventory preparation and reduce inventory and capital pressure.
[0041] 2. By connecting to the vehicle's hotspot, the dashcam automatically transmits video data to a designated platform. (Currently, the common practice is for the vehicle's infotainment system app to upload video data, and vehicle manufacturers require security management certification for data uploads.)
[0042] 3. The use of vehicle-mounted or mobile phone GPS reduces the cost of dashcams.
[0043] Although preferred embodiments of the present invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including both the preferred embodiments and all changes and modifications falling within the scope of the present invention. Clearly, those skilled in the art can make various alterations and modifications to the present invention without departing from its spirit and scope. Thus, if these modifications and modifications of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention also intends to include these modifications and modifications.
Claims
1. A DVR (Dashcam) for vehicles, characterized in that, The device includes a camera module (10), an image processor (20), a microphone (30), an accelerometer (40), a memory (50), a USB interface (60), a voice broadcast module (70), a TF card slot (80), a WIFI module (91), and a power DC-DC converter (92). The image processor (20) is connected to the camera module (10), the microphone (30), the accelerometer (40), the memory (50), the USB interface (60), the voice broadcast module (70), the TF card slot (80), the WIFI module (91), and the power DC-DC converter (92).
2. The DVR dashcam as described in claim 1, characterized in that, The DVR dashcam also includes a power switching module. The image processor (20) is connected to the output terminal of the external battery, the output terminal of the power DC-DC converter (92), and the input terminal of the power switching module. The output terminal of the power switching module is connected to the WIFI module (91) and the USB interface (60).
3. The DVR dashcam as described in claim 1, characterized in that, The power supply DC-DC converter (92) includes a DC-DC converter chip, which is connected to the camera module (10), the image processor (20), the MIC (30), the accelerometer (40), the memory (50), the USB interface (60), the voice broadcast module (70), the TF card slot (80), and the WIFI module (91).
4. The DVR dashcam as described in claim 1, characterized in that, The image processor (20) is model GK1211.
5. The DVR dashcam as described in claim 1, characterized in that, The memory (50) includes NOR FLASH and EMMC storage units.
6. The DVR dashcam as described in claim 1, characterized in that, The acceleration sensor (40) is a triaxial acceleration sensor.
7. The DVR dashcam as described in claim 1, characterized in that, The USB interface (60) includes a USB card reader.
8. The DVR dashcam as described in claim 1, characterized in that, The voice broadcast module (70) includes a power amplifier chip and a speaker connected to the power amplifier chip.
9. The DVR dashcam as described in claim 1, characterized in that, The camera module (10) includes an image sensor chip and a camera connected to the image sensor chip.
Citation Information
Patent Citations
Improvement in plows
US3110A