Automobile data recorder and vehicle
By integrating the OBD interface, recorder controller and display module in the dash recorder, real-time monitoring of the car battery voltage is achieved, which solves the problem that the existing dash recorder cannot monitor the battery status and improves driving safety.
Patent Information
- Application Number
- CN202421550162.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-07-02
AI Technical Summary
The existing driving recorder cannot monitor the status of the car battery, which makes it difficult for users to know the battery health status in a timely manner, and is prone to be caught off guard when there are problems with the battery, resulting in the vehicle being unable to start.
A driving recorder is designed, including an OBD interface, a recorder controller and a display module. The voltage signal of the vehicle battery is obtained through the OBD interface and output it to the recorder controller and display module to realize real-time sampling and monitoring of the battery voltage.
By monitoring the battery voltage in real time, users can promptly understand the health status of the battery, avoiding problems such as the inability to start the vehicle due to battery problems, and improving driving safety.
Smart Images

Figure CN222838447U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of battery protection, in particular to a driving recorder and a vehicle. Background Art
[0002] The main functions of the dashcams on the market are focused on recording, taking photos and collision detection. These devices can provide video evidence of the accident, which is helpful in handling traffic accident disputes and insurance claims. However, most of the existing dashcams lack the function of monitoring the status of the car battery.
[0003] Since the battery status cannot be monitored, it is difficult for users to know the battery's health status in a timely manner, and they are easily caught off guard when battery problems occur, resulting in problems such as the vehicle being unable to start. Utility Model Content
[0004] The main purpose of the utility model is to provide a driving recorder, which aims to solve the problems that the existing driving recorders cannot monitor the battery status, and the user is difficult to know the health status of the battery in time, and is easily caught off guard when a problem occurs in the battery, resulting in the vehicle being unable to start.
[0005] To achieve the above object, the utility model provides a driving recorder, wherein the recorder controller is connected to the OBD interface and the display module respectively, and the OBD interface is connected to the vehicle battery;
[0006] The OBD interface is used to obtain a battery voltage signal of the vehicle battery and output the battery voltage signal to the recorder controller; the recorder controller is used to output the battery voltage signal to the display module when receiving the battery voltage signal;
[0007] The display module is used to display the battery voltage signal.
[0008] Optionally, the driving recorder further includes: an OBD interface and an ADC conversion circuit;
[0009] The ADC conversion circuit is connected to the OBD interface and the recorder controller respectively;
[0010] The OBD interface is used to obtain a battery voltage analog signal of the vehicle battery and output the battery voltage analog signal to the ADC conversion circuit; the ADC conversion circuit is used to convert the battery voltage analog signal into a battery voltage digital signal and output the battery voltage digital signal to the recorder controller;
[0011] The recorder controller is used to output the battery voltage digital signal to the display module when receiving the battery voltage digital signal;
[0012] The display module is used to display the battery voltage digital signal.
[0013] Optionally, the driving recorder further includes: an ADC conversion circuit;
[0014] The ADC conversion circuit is connected to the OBD interface and the recorder controller respectively;
[0015] The OBD interface is used to obtain a battery voltage analog signal of the vehicle battery and output the battery voltage analog signal to the ADC conversion circuit; the ADC conversion circuit is used to convert the battery voltage analog signal into a battery voltage digital signal and output the battery voltage digital signal to the recorder controller;
[0016] The recorder controller is used to output the battery voltage digital signal to the display module when receiving the battery voltage digital signal;
[0017] The display module is used to display the battery voltage digital signal.
[0018] Optionally, the driving recorder further includes: a second voltage measurement module;
[0019] The second voltage measurement module is electrically connected to the battery and the recorder controller respectively, and is used to measure the voltage of the battery and transmit the measured voltage value to the recorder controller.
[0020] Optionally, the driving recorder further includes: a storage module;
[0021] The recorder controller is further used to transmit the battery voltage digital signal and the voltage value measured by the second voltage measuring module to the storage module;
[0022] The storage module is electrically connected to the recorder controller and is used to store the battery voltage digital signal and the voltage value measured by the second voltage measurement module;
[0023] The storage module is also used to store operating systems, application programs and firmware.
[0024] Optionally, the driving recorder further includes: a storage interface;
[0025] The storage interface is electrically connected to the recorder controller and is used to access an external storage medium;
[0026] The recorder controller is also used to output the battery voltage digital signal and the voltage value measured by the second voltage measurement module to an external storage medium through the storage interface for storage.
[0027] Optionally, the driving recorder further includes: an alarm module;
[0028] The recorder controller is further used to transmit an alarm instruction to the alarm module when the battery voltage digital signal value is greater than an overvoltage preset value or when the battery voltage digital signal value is less than an undervoltage preset value;
[0029] The alarm module is electrically connected to the recorder controller and is used to perform an alarm action when receiving the alarm instruction.
[0030] Optionally, the driving recorder further includes: a power module;
[0031] The power supply module is connected to the recorder controller and is used to provide the required working voltage for the recorder controller.
[0032] Optionally, the driving recorder further includes: a wireless communication module;
[0033] The recorder controller is further used to transmit the battery voltage digital signal to the wireless communication module;
[0034] The wireless communication module is connected to the recorder controller and is used to transmit the battery voltage digital signal to the mobile terminal when the battery voltage digital signal is received, or to receive the communication command input by the mobile terminal and feed it back to the recorder controller; the recorder controller is also used to perform communication operations when the communication command is received.
[0035] Optionally, the driving recorder further includes: a firmware upgrade interface;
[0036] The firmware upgrade interface is connected to the recorder controller via telecommunication, and is used to receive externally input upgrade instructions and transmit them to the recorder controller.
[0037] The recorder controller is also used to perform a firmware upgrade operation upon receiving the upgrade instruction.
[0038] The utility model also provides a vehicle, which comprises the above-mentioned driving recorder.
[0039] The utility model discloses a driving recorder and a vehicle, and relates to the technical field of battery protection, wherein the driving recorder comprises: an OBD interface, a recorder controller and a display module; the recorder controller is respectively connected to the OBD interface and the display module, and the OBD interface is connected to the vehicle battery; the OBD interface is used to obtain the battery voltage signal of the vehicle battery, and output the battery voltage signal to the recorder controller; the recorder controller is used to output the battery voltage signal to the display module when receiving the battery voltage signal; the display module is used to display the battery voltage signal. The utility model realizes real-time sampling and monitoring of the battery voltage through the OBD interface, the recorder controller and the display module, thereby improving driving safety. BRIEF DESCRIPTION OF THE DRAWINGS
[0040] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.
[0041] Figure 1 A schematic structural diagram of a first embodiment of a driving recorder provided by the utility model;
[0042] Figure 2 A schematic structural diagram of a second embodiment of the driving recorder provided by the utility model;
[0043] Figure 3 A schematic structural diagram of a third embodiment of the driving recorder provided by the utility model;
[0044] Figure 4 A schematic structural diagram of a fourth embodiment of the driving recorder provided by the utility model;
[0045] Figure 5 A schematic structural diagram of a fifth embodiment of the driving recorder provided by the utility model;
[0046] Figure 6 A schematic structural diagram of a sixth embodiment of the driving recorder provided by the utility model;
[0047] Figure 7 A schematic structural diagram of a seventh embodiment of the driving recorder provided by the utility model;
[0048] Figure 8 This is a schematic structural diagram of an eighth embodiment of the driving recorder provided by the utility model.
[0049] Description of Figure Numbers:
[0050] 1. OBD interface; 2. Recorder controller; 3. Display module; 4. ADC conversion circuit; 5. Second voltage measurement module; 6. Storage module; 7. Storage interface; 8. Alarm module; 9. Power module; 10. Wireless communication module; 11. Firmware upgrade interface.
[0051] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION
[0052] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0053] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.
[0054] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.
[0055] The utility model provides a driving recorder.
[0056] See also Figure 1 , Figure 1 A schematic structural diagram of a first embodiment of a driving recorder provided by the utility model;
[0057] In the first embodiment of the utility model, it is considered that most existing driving recorders lack the function of monitoring the status of the car battery; since the battery status cannot be monitored, it is difficult for the user to know the health status of the battery in time, and it is easy to be caught off guard when a problem occurs in the battery, resulting in problems such as the vehicle being unable to start.
[0058] The driving recorder comprises: an OBD interface 1, a recorder controller 2 and a display module 3;
[0059] The recorder controller 2 is connected to the OBD interface 1 and the display module 3 respectively, and the OBD interface 1 is connected to the vehicle battery;
[0060] The OBD interface 1 is used to obtain a battery voltage signal of a vehicle battery and output the battery voltage signal to a recorder controller 2; the recorder controller 2 is used to output the battery voltage signal to the display module 3 when receiving the battery voltage signal;
[0061] The display module 3 is used to display the battery voltage signal.
[0062] It should be noted that the vehicle battery may be a lead-acid battery, or a nickel-cadmium battery, a nickel-metal hydride battery, a lithium-ion battery, a lithium polymer battery or other battery, which is not limited in this embodiment.
[0063] It should be noted that the OBD interface 1 may be a standard OBD interface or a special OBD interface, which is not limited in this embodiment.
[0064] It should be noted that the display module 3 may be made of components such as LED, LCD, OLED, TFT-LCD, etc., or other components with display functions, which are not limited in this embodiment.
[0065] In a specific implementation, the OBD interface 1 obtains the battery voltage signal of the vehicle battery and outputs the battery voltage signal to the recorder controller 2; the recorder controller 2, when receiving the battery voltage signal, outputs the battery voltage signal to the display module 3; the display module 3 displays the battery voltage signal.
[0066] This embodiment implements real-time sampling and monitoring of the battery voltage through the OBD interface 1, the recorder controller 2 and the display module 3, thereby improving driving safety.
[0067] See also Figure 2 , Figure 2 A schematic structural diagram of a second embodiment of the driving recorder provided by the utility model;
[0068] Considering that the battery voltage signal of the vehicle battery obtained by the OBD interface 1 is an analog signal, which may need to be converted into a digital signal, the driving recorder further includes: an ADC conversion circuit 4;
[0069] The ADC conversion circuit 4 is connected to the OBD interface 1 and the recorder controller 2 respectively;
[0070] The OBD interface 1 is used to obtain a battery voltage analog signal of a vehicle battery, and output the battery voltage analog signal to the ADC conversion circuit 4; the ADC conversion circuit 4 is used to convert the battery voltage analog signal into a battery voltage digital signal, and output the battery voltage digital signal to the recorder controller 2;
[0071] The recorder controller 2 is used to output the battery voltage digital signal to the display module 3 when receiving the battery voltage digital signal;
[0072] The display module 3 is used to display the battery voltage digital signal.
[0073] It should be noted that the ADC conversion circuit 4 may adopt a successive approximation analog-to-digital converter, a dual-integral analog-to-digital converter, a parallel comparison analog-to-digital converter, a serial comparison analog-to-digital converter, a voltage-to-frequency conversion analog-to-digital converter, etc., and this embodiment does not impose any restrictions on this.
[0074] In a specific implementation, the OBD interface obtains a battery voltage analog signal of the vehicle battery, and outputs the battery voltage analog signal to the ADC conversion circuit 4; the ADC conversion circuit 4 converts the battery voltage analog signal into a battery voltage digital signal, and outputs the battery voltage digital signal to the recorder controller 2; the recorder controller 2, upon receiving the battery voltage digital signal, outputs the battery voltage digital signal to the display module 3; the recorder controller 2, upon receiving the battery voltage digital signal, outputs the battery voltage digital signal to the display module 3.
[0075] See also Figure 3 , Figure 3 A schematic structural diagram of a third embodiment of the driving recorder provided by the utility model;
[0076] Considering that the measurement accuracy and system reliability of voltage data obtained through the OBD interface 1 are not enough, the driving recorder further includes: a second voltage measurement module 5;
[0077] The second voltage measuring module 5 is electrically connected to the battery and the recorder controller 2 , respectively, and is used to measure the voltage of the battery and transmit the measured voltage value to the recorder controller 2 .
[0078] It should be noted that the second voltage measurement module 5 may be an analog output voltage sensor, or a digital output voltage sensor or other components or circuits capable of realizing voltage measurement, which is not limited in this embodiment.
[0079] In a specific implementation, the second voltage measuring module 5 measures the voltage of the battery and transmits the measured voltage value to the recorder controller 2 .
[0080] This embodiment improves the voltage data measurement accuracy and system reliability through the voltage measurement module.
[0081] See also Figure 4 , Figure 4 A schematic structural diagram of a third embodiment of the driving recorder provided by the utility model;
[0082] Considering that the measured voltage data may need to be stored, and that an operating system, an application program, and firmware may need to be stored, the driving recorder further includes: a storage module 6;
[0083] The recorder controller 2 is also used to transmit the battery voltage digital signal and the voltage value measured by the second voltage measuring module 5 to the storage module 6;
[0084] The storage module 6 is electrically connected to the recorder controller 2 and is used to store the battery voltage digital signal and the voltage value measured by the second voltage measuring module 5;
[0085] The storage module 6 is also used to store operating systems, application programs and firmware.
[0086] It should be noted that the storage module 6 may be a semiconductor memory, a magnetic surface memory or an optical memory, and this embodiment does not impose any limitation on this.
[0087] In a specific implementation, the recorder controller 2 transmits the battery voltage digital signal and the voltage value measured by the second voltage measurement module 5 to the storage module 6; the storage module 6 stores the battery voltage digital signal and the voltage value measured by the second voltage measurement module 5.
[0088] This embodiment implements the storage of the battery voltage digital signal and the voltage value measured by the second voltage measuring module 5 through the storage module 6. This embodiment can also implement the storage of operating systems, application programs and firmware through the storage module 6.
[0089] Furthermore, considering that the measured voltage data may need to be exported and the storage space expanded, the driving recorder further includes: a storage interface 7;
[0090] The storage interface 7 is electrically connected to the recorder controller 2 and is used to access an external storage medium;
[0091] The recorder controller 2 is further used to output the battery voltage digital signal and the voltage value measured by the second voltage measuring module 5 to an external storage medium through the storage interface 7 for storage.
[0092] It should be noted that the storage interface 7 may be an IDE (Integrated Drive Electronics) interface, or a SATA (Serial ATA) interface, a SCSI (Small Computer System Interface) interface, or a SAS (Serial Attached SCSI) interface, etc., which is not limited in this embodiment.
[0093] In a specific implementation, the recorder controller 2 outputs the battery voltage digital signal and the voltage value measured by the second voltage measuring module 5 to an external storage medium through the storage interface 7 for storage.
[0094] This embodiment connects to an external storage medium through the storage interface 7 to achieve data export and storage space expansion functions.
[0095] See also Figure 5 , Figure 5 A schematic structural diagram of a fifth embodiment of the driving recorder provided by the utility model;
[0096] Considering that the driving recorder may need to give an alarm when the voltage value of the battery is abnormal, the driving recorder further includes: an alarm module 8;
[0097] The recorder controller 2 is further used to transmit an alarm instruction to the alarm module 8 when the battery voltage digital signal value is greater than an overvoltage preset value or when the battery voltage digital signal value is less than an undervoltage preset value;
[0098] The alarm module 8 is electrically connected to the recorder controller 2 and is used for performing an alarm action when receiving the alarm instruction.
[0099] It should be noted that the alarm module 8 may be a speaker, a buzzer, an indicator light or other components, and this embodiment does not limit this.
[0100] In a specific implementation, the recorder controller 2 transmits an alarm instruction to the alarm module 8 when the battery voltage digital signal value is greater than the overvoltage preset value or the battery voltage digital signal value is less than the undervoltage preset value; upon receiving the alarm instruction, an alarm action is performed.
[0101] In this embodiment, the alarm module 8 is used to issue an alarm prompt when the voltage value of the battery is abnormal, thereby ensuring that the user can be informed of the abnormality of the battery voltage value in time.
[0102] See also Figure 6 , Figure 6 A schematic structural diagram of a sixth embodiment of the driving recorder provided by the utility model;
[0103] Considering that the recorder controller 2 requires a working voltage to work, the driving recorder further includes: a power module 9;
[0104] The power supply module 9 is connected to the recorder controller 2 and is used to provide the recorder controller 2 with the required working voltage.
[0105] It should be noted that the power source may be a chemical power source or a physical power source, and this embodiment does not limit this.
[0106] In a specific implementation, the power module 9 outputs a working voltage to the recorder controller 2, and the recorder controller 2 operates upon receiving the working voltage;
[0107] In this embodiment, a working voltage is provided to the recorder controller 2 through the power supply module 9 .
[0108] See also Figure 7 , Figure 7 A schematic structural diagram of a seventh embodiment of the driving recorder provided by the utility model;
[0109] Considering that the driving recorder may need to communicate with a mobile terminal, the driving recorder further includes: a wireless communication module 10;
[0110] The recorder controller 2 is also used to transmit the battery voltage digital signal to the wireless communication module 10;
[0111] The wireless communication module 10 is connected to the recorder controller 2, and is used to transmit the battery voltage digital signal to the mobile terminal when the battery voltage digital signal is received, or to receive the communication command input by the mobile terminal and feed it back to the recorder controller 2; the recorder controller 2 is also used to perform communication operations when the communication command is received.
[0112] It should be noted that the wireless communication module 10 may adopt WiFi communication, Bluetooth communication or other wireless communication methods, which is not limited in this embodiment.
[0113] In a specific implementation, the recorder controller 2 transmits the battery voltage digital signal to the wireless communication module 10; when the wireless communication module 10 receives the battery voltage digital signal, it transmits the battery voltage digital signal to the mobile terminal;
[0114] When receiving the communication instruction input by the mobile terminal, the recorder controller 2 feeds back the communication instruction to the recorder controller 2 ; the recorder controller 2 performs a communication operation when receiving the communication instruction.
[0115] In this embodiment, the wireless communication module 10 is used to realize the communication between the driving recorder and the mobile terminal.
[0116] See also Figure 8 , Figure 8 A schematic structural diagram of an eighth embodiment of the driving recorder provided by the utility model;
[0117] Considering that the driving recorder may need to perform a firmware upgrade, the driving recorder further includes: a firmware upgrade interface 11;
[0118] The firmware upgrade interface 11 is electrically connected to the recorder controller 2 and is used to receive an external upgrade instruction and transmit it to the recorder controller 2;
[0119] The recorder controller 2 is also used to perform a firmware upgrade operation upon receiving the upgrade instruction.
[0120] It should be noted that the firmware upgrade interface 11 may be a USB interface, or may be other interfaces such as an SD interface, an eMMC interface, or a UFS interface, and this embodiment does not limit this.
[0121] In a specific implementation, the staff sends an upgrade instruction to the recorder controller 2 through the firmware upgrade interface 11, and the recorder controller 2 performs a firmware upgrade operation upon receiving the upgrade instruction.
[0122] This embodiment implements the function of firmware upgrade of the driving recorder through the firmware upgrade interface 11 .
[0123] In addition, to achieve the above purpose, the present invention also provides a vehicle, the vehicle comprising the driving recorder as described above. Other embodiments or specific implementations of the vehicle of the present invention can refer to the above embodiment of the delay protection circuit, which will not be repeated here.
[0124] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.
Claims
1. A driving recorder, characterized in that: The driving recorder includes: an OBD interface, a recorder controller and a display module; The recorder controller is connected to the OBD interface and the display module respectively, and the OBD interface is connected to the vehicle battery; The OBD interface is used to obtain a battery voltage signal of the vehicle battery and output the battery voltage signal to the recorder controller; the recorder controller is used to output the battery voltage signal to the display module when receiving the battery voltage signal; The display module is used to display the battery voltage signal.
2. The driving recorder according to claim 1, characterized in that: The driving recorder also includes: an ADC conversion circuit; The ADC conversion circuit is connected to the OBD interface and the recorder controller respectively; The OBD interface is used to obtain the battery voltage analog signal of the vehicle battery and output the battery voltage analog signal to the ADC conversion circuit 4; the ADC conversion circuit 4 is used to convert the battery voltage analog signal into a battery voltage digital signal and output the battery voltage digital signal to the recorder controller; The recorder controller is used to output the battery voltage digital signal to the display module when receiving the battery voltage digital signal; The display module is used to display the battery voltage digital signal.
3. The driving recorder according to claim 2, characterized in that: The driving recorder further includes: a second voltage measurement module; The second voltage measurement module is electrically connected to the battery and the recorder controller respectively, and is used to measure the voltage of the battery and transmit the measured voltage value to the recorder controller.
4. The driving recorder according to claim 3, characterized in that: The driving recorder further includes: a storage module; The recorder controller is further used to transmit the battery voltage digital signal and the voltage value measured by the second voltage measuring module to the storage module; The storage module is electrically connected to the recorder controller and is used to store the battery voltage digital signal and the voltage value measured by the second voltage measurement module; The storage module is also used to store operating systems, application programs and firmware.
5. The driving recorder according to claim 3, characterized in that: The driving recorder further includes: a storage interface; The storage interface is electrically connected to the recorder controller and is used to access an external storage medium; The recorder controller is also used to output the battery voltage digital signal and the voltage value measured by the second voltage measurement module to an external storage medium through the storage interface for storage.
6. The driving recorder according to claim 2, characterized in that: The driving recorder further includes: an alarm module; The recorder controller is further used to transmit an alarm instruction to the alarm module when the battery voltage digital signal value is greater than an overvoltage preset value or when the battery voltage digital signal value is less than an undervoltage preset value; The alarm module is electrically connected to the recorder controller and is used to perform an alarm action when receiving the alarm instruction.
7. The driving recorder according to claim 2, characterized in that: The driving recorder further includes: a power module; The power supply module is connected to the recorder controller and is used to provide the required working voltage for the recorder controller.
8. The driving recorder according to claim 2, characterized in that: The driving recorder further includes: a wireless communication module; The recorder controller is further used to transmit the battery voltage digital signal to the wireless communication module; The wireless communication module is connected to the recorder controller and is used to transmit the battery voltage digital signal to the mobile terminal when the battery voltage digital signal is received, or to receive the communication command input by the mobile terminal and feed it back to the recorder controller; the recorder controller is also used to perform communication operations when the communication command is received.
9. The driving recorder according to claim 2, characterized in that: The driving recorder also includes: a firmware upgrade interface; The firmware upgrade interface is electrically connected to the recorder controller and is used to receive an external upgrade instruction and transmit it to the recorder controller; The recorder controller is also used to perform a firmware upgrade operation upon receiving the upgrade instruction.
10. A vehicle, characterized in that: The vehicle comprises the driving recorder according to any one of claims 1 to 9.