Automobile data recorder

Abstract

The embodiment of the utility model discloses an automobile data recorder which comprises a recorder body, an automobile accessory and a battery compartment, and the recorder body has a driving mode and a moving mode; the vehicle accessory can be electrically connected with the recorder body and is used for being electrically connected with a vehicle; the battery compartment can be electrically connected with the recorder body and is used for storing electric energy; when the recorder body is electrically connected with the vehicle accessory, the recorder body is in a driving mode, and the vehicle supplies power to the recorder body; when the recorder body is electrically connected with the battery compartment, the recorder body is in a moving mode, and the battery compartment can supply power to the recorder body, so that the recorder body can be separated from the vehicle for shooting. The automobile data recorder provided by the embodiment of the utility model can be placed on an automobile to record an automobile video and can also be separated from the automobile to serve as a mobile camera, so that the automobile data recorder has rich functions.

Description

Technical Field

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

[0002] The dashcam is mainly used to record the images, sounds, vehicle conditions and other information while the vehicle is driving. The dashcam does not have its own battery, so it needs to be connected to the power supply in the car when it is working normally. When the dashcam is out of the vehicle, it cannot record.

[0003] Therefore, the function of the driving recorder is relatively simple. Utility Model Content

[0004] An embodiment of the present application provides a driving recorder that can be used to record video without being in a vehicle.

[0005] In the first aspect, an embodiment of the present application provides a driving recorder, which includes a recorder body, a vehicle accessory and a battery compartment, wherein the recorder body has a driving mode and a mobile mode; the vehicle accessory can be electrically connected to the recorder body, and the vehicle accessory is used to be electrically connected to the vehicle; the battery compartment can be electrically connected to the recorder body, and the battery compartment is used to store electrical energy; wherein, when the recorder body is electrically connected to the vehicle accessory, the recorder body is in the driving mode, and the vehicle supplies power to the recorder body; when the recorder body is electrically connected to the battery compartment, the recorder body is in the mobile mode, and the battery compartment can supply power to the recorder body, so that the recorder body can be separated from the vehicle for shooting.

[0006] In some exemplary embodiments, the recorder body includes a first shell, a camera and a host display screen, the first shell has a first surface and a second surface arranged opposite to each other, the camera is arranged on the first surface, and the host display screen is arranged on the second surface; the battery compartment includes a second shell and a battery compartment display screen arranged on the second shell, and when the battery compartment is combined with the recorder body, the orientation of the battery compartment display screen is the same as the orientation of the camera.

[0007] In some exemplary embodiments, the recorder body includes a control module and a connecting terminal electrically connected to the control module, the connecting terminal includes a detection pin; the battery compartment includes a battery and a mating terminal electrically connected to the battery, the mating terminal includes a signal pin, the signal pin is electrically connected to the battery, when the mating terminal is plugged into the connecting terminal, the signal pin abuts against the detection pin, the potential of the detection pin changes, and the control module can switch the mode of the recorder body according to the potential of the detection pin.

[0008] In some exemplary embodiments, the connecting terminal includes a first data pin, the mating terminal includes a second data pin, the battery compartment also includes an external terminal, the external terminal includes a third data pin, the second data pin is electrically connected to the third data pin, and when the connecting terminal is plugged into and mated with the mating terminal, the first data pin is electrically connected to the second data pin.

[0009] In some exemplary embodiments, the connecting terminal includes a first power supply pin, the mating terminal includes a second power supply pin, the external terminal includes a third power supply pin, and the battery compartment includes a fast charging module, which is connected between the third power supply pin and the battery; when the first power supply pin is disconnected from the second power supply pin, the fast charging module can operate, and when the first power supply pin is connected to the second power supply pin, the fast charging module stops operating.

[0010] In some exemplary embodiments, the connecting terminal includes a first display pin, the mating terminal includes a second display pin, and the battery compartment further includes a battery compartment display screen, and the battery compartment display screen is connected to the second display pin.

[0011] In some exemplary embodiments, the battery compartment includes a boost module connected between the battery and the second power supply pin.

[0012] In some exemplary embodiments, the recorder body includes a WiFi module, the control module is connected to the WiFi module, and the WiFi module is used to connect to a mobile phone.

[0013] In some exemplary embodiments, the recorder body includes a voice module, the control module is connected to the voice module, and the voice module is used to convert the user's voice into an operation instruction.

[0014] In some exemplary embodiments, the battery compartment is detachably connected to the recorder body, and when the battery compartment is connected to the recorder body, the connecting terminal is plugged into and mated with the mating terminal.

[0015] Beneficial effect: Since the recorder body can be connected to either the vehicle accessories or the battery compartment, the driving recorder of the embodiment of the present application can be placed on the vehicle to record driving videos, and can also be separated from the vehicle as a mobile camera, thereby having richer functions. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a schematic diagram of the structure of a recorder body and a vehicle accessory in one embodiment of the present application;

[0018] Figure 2 This is a structural diagram of a recorder body in one embodiment of the present application;

[0019] Figure 3 This is a structural schematic diagram of a combination of a recorder body and a vehicle accessory in another embodiment of the present application;

[0020] Figure 4 This is a schematic diagram of the structure of a battery compartment in an embodiment of the present application;

[0021] Figure 5 This is a structural diagram of a combination of a recorder body and a battery compartment in one embodiment of the present application;

[0022] Figure 6 This is a structural schematic diagram of a combination of a recorder body and a battery compartment in another embodiment of the present application;

[0023] Figure 7 This is a block diagram of a recorder body in one embodiment of the present application;

[0024] Figure 8 This is a block diagram of a battery compartment in one embodiment of the present application;

[0025] Fig. 9 A pin diagram of a connecting terminal or a mating terminal in one embodiment of the present application;

[0026] Fig.10 A pin diagram of an external terminal in one embodiment of the present application;

[0027] Fig.11 It is a block diagram of a recorder body in another embodiment of the present application;

[0028] Fig.12 A block diagram of a power supply circuit in an embodiment of the present application;

[0029] Fig.13 A partial circuit diagram of a power supply circuit in an embodiment of the present application;

[0030] Fig.14A partial circuit diagram of a power supply circuit in another embodiment of the present application;

[0031] Fig.15 is a block diagram of a power supply circuit in another embodiment of the present application;

[0032] Fig.16 A partial circuit diagram of a power supply circuit in yet another embodiment of the present application;

[0033] Fig.17 is a block diagram of a battery compartment in another embodiment of the present application;

[0034] Fig.18 This is a circuit diagram of a protection circuit and a boost module in another embodiment of the present application;

[0035] Fig.19 This is a block diagram of a battery compartment in another embodiment of the present application;

[0036] Fig. 20 FIG. 1 is a circuit diagram of a switching module in an embodiment of the present application.

[0037] Description of reference numerals: 10, driving recorder;

[0038] 100, recorder body; 110, first housing; 120, camera; 130, host display screen; 140, control module; 150, connection terminal; 151, first data pin; 152, first power supply pin; 153, first display pin; 154, detection pin; 160, WiFi module; 170, voice module; 190, power management module;

[0039] 200. Car accessories;

[0040] 300, battery compartment; 310, second housing; 320, battery compartment display screen; 330, battery; 340, mating terminal; 341, second data pin; 342, second power supply pin; 343, second display pin; 344, signal pin; 350, external terminal; 351, third data pin; 352, third power supply pin; 360, fast charging module; 370, boost module; 380, protection circuit; U5, voltage detection element; Q2, first protection switch; Q1, second protection switch; U3, boost chip; L3, power inductor; D4, power diode; 390, switching module; U4, switching chip; R24, first resistor; R2, second resistor;

[0041] 400, power supply circuit; 410, first unidirectional conductive component; 420, super capacitor; 430, second unidirectional conductive component; 440, first switch module; C1, first capacitor; Q5, first switch component; Q4, second switch component; R12, first voltage-dividing resistor; R17, second voltage-dividing resistor; Q1, third switch component; 450, second switch module; Q7, fourth switch component; Q6, fifth switch component; R32, third voltage-dividing resistor; R35, fourth voltage-dividing resistor; 460, filter module; 471, external power supply terminal; 472, output terminal; 473, system power supply terminal; 474, detection terminal; R18, first current-limiting resistor; R19, second current-limiting resistor. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0043] like Figure 1-3 As shown, a first aspect of an embodiment of the present application provides a driving recorder 10 , which includes a driving recorder body 100 and a vehicle accessory 200 .

[0044] The recorder body 100 is used to record video recordings, emergency recordings, photos, etc. during driving, and the vehicle accessories 200 are used to be electrically connected to the power supply components of the vehicle, and the vehicle accessories 200 can be electrically connected to the recorder body 100, so that the vehicle can supply power to the recorder body 100 through the vehicle accessories 200. Exemplarily, the power supply components in the vehicle can be, for example, a vehicle charger, a step-down line, etc., and the vehicle accessories 200 can be connected to the vehicle charger or the vehicle step-down line. Generally speaking, the vehicle charger is set on the panel of the car interior, and the connection between the vehicle accessories 200 and the vehicle charger is relatively simple and convenient. The vehicle step-down line is relatively concealed, so that the wiring of the driving recorder 10 is more concealed, the wiring in the car is neater, and there is no need to occupy the charging interface.

[0045] The on-board charger can be exemplarily a cigarette lighter, a USB interface, etc. It should be noted that the USB interface in the car is indirectly powered by the car battery. The output voltage of the USB interface is usually 5V, while the output voltage of the car battery is usually 12V. Therefore, it is necessary to set a step-down line between the car battery and the USB interface to reduce the voltage of 12V to about 5V. The step-down line usually includes a positive line, a ground line and an ACC line. The positive line is used for power supply, the negative line is used for grounding, and the ACC line is used to reflect the ignition state of the vehicle. The positive line of the step-down line is connected to the car battery, and the positive line of the step-down line is always charged, that is, whether the vehicle is turned off or not, the positive line of the step-down line is charged. In order to avoid the load connected to the on-board charger from consuming the power of the car battery when the vehicle is turned off, the on-board charger is usually connected to the ACC line. When the vehicle is ignited and started, the ACC line is high and the on-board charger is powered on. When the vehicle is turned off, the ACC line is low and the on-board charger is powered off.

[0046] When the vehicle accessory 200 is connected to the vehicle charger, the vehicle charger itself can be controlled by the ACC line, so the recorder body 100 can start and stop with the vehicle. Specifically, when the vehicle is ignited, the vehicle charger is powered on and the recorder body 100 is turned on; when the vehicle is turned off, the vehicle charger is powered off and the recorder body 100 is turned off.

[0047] When the vehicle accessory 200 is connected to the vehicle-mounted step-down line, the recorder body 100 can control the start and stop according to the level signal of the ACC line, or can be turned off after the vehicle is turned off for a period of time.

[0048] like Figure 4-6 As shown, in some embodiments, the driving recorder 10 further includes a battery compartment 300, which is used to store electrical energy, and the battery compartment 300 can be electrically connected to the driving recorder body 100. The battery compartment 300 is separately provided from the driving recorder body 100, and the driving recorder body 100 can be used separately from the battery compartment 300, or the driving recorder body 100 can be used in combination with the battery compartment 300.

[0049] Correspondingly, the recorder body 100 has a driving mode and a mobile mode, and the recorder body 100 has different settings for shooting videos in different modes. For example, when the recorder body 100 is in the driving mode, due to the limited space in the memory, it will overwrite the conventional videos shot before, and only retain some special videos such as emergency videos and videos marked by the user. When the recorder body 100 is in the mobile mode, the videos and photos shot are mostly what the user needs, so the shot videos and photos will not be overwritten or deleted. Alternatively, when the recorder body 100 is in the driving mode, the clarity of the video is prioritized, and when the recorder body 100 is in the mobile mode, the color accuracy of the video is prioritized. Of course, other parameter settings can be adjusted, which is not limited here.

[0050] When the recorder body 100 is electrically connected to the vehicle accessory 200, the recorder body 100 is in a driving mode, and the vehicle supplies power to the recorder body 100. When the recorder body 100 is electrically connected to the battery compartment 300, the recorder body 100 is in a mobile mode, and the battery compartment 300 can supply power to the recorder body 100, so that the recorder body 100 can be separated from the vehicle for shooting.

[0051] Since the recorder body 100 can be connected to either the vehicle accessory 200 or the battery compartment 300, the driving recorder 10 of the embodiment of the present application can be placed on the vehicle to record driving videos, and can also be separated from the vehicle as a mobile camera, thereby having richer functions.

[0052] In some embodiments, Figure 1-2 As shown, the recorder body 100 includes a first housing 110, a camera 120 and a host display screen 130. The first housing 110 has a first surface and a second surface that are disposed opposite to each other. The camera 120 is disposed on the first surface, and the host display screen 130 is disposed on the second surface. Figure 3 As shown, when the vehicle accessory 200 is combined with the recorder body 100, the driving video can be observed in real time or played back through the host display screen 130.

[0053] like Figure 4 As shown, the battery compartment 300 includes a second housing 310 and a battery compartment display screen 320 disposed on the second housing 310, and the battery compartment display screen 320 is driven by the recorder body 100. Figure 5 As shown, when the battery compartment 300 is combined with the recorder body 100, the captured video content can be observed in real time through the host display screen 130. Figure 6 As shown, when the battery compartment 300 is combined with the recorder body 100, the orientation of the battery compartment display screen 320 is the same as that of the camera 120. The user can switch between displaying the captured video content on the host display screen 130 or displaying the captured video content on the battery compartment display screen 320, thereby facilitating selfie.

[0054] like Figure 7 As shown, in some embodiments, the recorder body 100 includes a WiFi module 160, the control module 140 is connected to the WiFi module 160, and the WiFi module 160 is used to connect to a mobile phone, and the user can access the video data and photo data stored in the recorder body 100 through the mobile phone app. Optionally, the WiFi module 160 supports WiFi6, thereby having a higher transmission speed.

[0055] like Figure 7As shown, in some embodiments, the recorder body 100 includes a voice module 170, the control module 140 is connected to the voice module 170, and the voice module 170 is used to convert the user's voice into an operation instruction. The user can control the operation of the recorder body 100 by saying a wake-up word. For example, the commonly used ones are I want to take a photo, I want to record a video, take a snapshot, turn on the screen, turn off the screen, etc.

[0056] like Figure 8 As shown, in some embodiments, the battery compartment 300 includes a boost module 370, and the boost module 370 is connected between the battery 330 and the second power supply pin 342. The voltage of the battery 330 is usually different from the power supply voltage of the recorder body 100, so by providing the boost module 370, the output voltage of the battery compartment 300 can provide the voltage required by the recorder body 100.

[0057] like Figure 7-8 As shown, in some embodiments, the recorder body 100 includes a control module 140 and a connection terminal 150 electrically connected to the control module 140 , and the connection terminal 150 includes a detection pin 154 .

[0058] The battery compartment 300 includes a battery 330 and a mating terminal 340 electrically connected to the battery 330. The mating terminal 340 can be plugged and matched with the connecting terminal 150. The connecting terminal 150 can be exemplarily a USB-C female port, and the mating terminal 340 can be exemplarily a USB-C male port. The capacity of the battery 330 can be exemplarily 1700mAh. When the mating terminal 340 is plugged into the connecting terminal 150, the potential of the detection pin 154 changes, and the control module 140 can switch the mode of the recorder body 100 according to the potential of the detection pin 154. For example, Figure 8 As shown, the mating terminal 340 includes a signal pin 344, which is connected to the battery 330. When the mating terminal 340 is plugged into the connecting terminal 150, the signal pin 344 abuts against the detection pin 154, and the detection pin 154 changes from a low potential to a high potential.

[0059] In some embodiments, the battery compartment 300 is detachably connected to the recorder body 100. For example, the battery compartment 300 is snap-fitted to the recorder body 100. When the battery compartment 300 is connected to the recorder body 100, the connection terminal 150 and the mating terminal 340 are plugged and matched, so that the battery compartment 300 and the recorder are physically connected and electrically connected at the same time, making assembly more convenient.

[0060] like Figure 7-8As shown, in some embodiments, the connection terminal 150 includes a first data pin 151, the mating terminal 340 includes a second data pin 341, the battery compartment 300 also includes an external terminal 350, the external terminal 350 includes a third data pin 351, the second data pin 341 is electrically connected to the third data pin 351, and when the connection terminal 150 and the mating terminal 340 are plugged and matched, the first data pin 151 is electrically connected to the second data pin 341. When the battery compartment 300 is connected to the recorder body 100, the computer can read the data such as photos and videos in the recorder by connecting the terminals of the battery compartment 300, so there is no need to separate the battery compartment 300 from the recorder body 100, which is convenient for transmitting data when the battery compartment 300 is combined with the recorder body 100.

[0061] like Figure 7-8 As shown, in some embodiments, the connection terminal 150 includes a first power supply pin 152, and the mating terminal 340 includes a second power supply pin 342. When the connection terminal 150 is plugged and mated with the mating terminal 340, the first power supply pin 152 abuts against the second power supply pin 342, so that the battery 330 can supply power to the recorder body 100. Optionally, the recorder body 100 also includes a power management module 190, which is connected to the first power supply pin 152. The power management module 190 can output multiple power supplies to supply power to different components of the recorder body 100. Figure 7 The figure only shows that the power management module 190 supplies power to the control module 140. In fact, the power management module 190 can also supply power to the camera 120, the host display screen 130, the WiFi module 160, the voice module 170, etc.

[0062] The external terminal 350 includes a third power supply pin 352 , and the battery compartment 300 includes a fast charging module 360 ​​. The fast charging module 360 ​​is connected between the third power supply pin 352 and the battery 330 .

[0063] When the battery compartment 300 is not combined with the recorder body 100 , that is, when the first power supply pin 152 is disconnected from the second power supply pin 342 , the fast charging module 360 ​​can operate to fast charge the battery 330 , thereby increasing the charging speed of the battery compartment 300 .

[0064] When the first power supply pin 152 is connected to the second power supply pin 342 , the fast charging module 360 ​​stops running.

[0065] like Figure 7-8As shown, in some embodiments, the connection terminal 150 includes a first display pin 153, the mating terminal 340 includes a second display pin 343, the battery compartment 300 also includes a battery compartment display screen 320, the battery compartment display screen 320 is connected to the second display pin 343, and the control module 140 can transmit the video data of the battery compartment display screen 320 through the connection terminal 150, so that the battery compartment display screen 320 displays the corresponding picture. In the embodiment of the present application, the connection terminal 150 can transmit the video data of the battery compartment display screen 320, supply power to the recorder body 100, and transmit the video data in the recorder body 100, with high integration and convenience.

[0066] For example, the pin diagram of the connecting terminal 150 or the mating terminal 340 can refer to Fig. 9 , Fig. 9 In the embodiment, pin A11 is used to detect whether the recorder body 100 is connected to the battery compartment 300. If the battery compartment 300 is connected, pin A11 is at a high level. If the battery compartment 300 is not connected, pin A11 is at a low level.

[0067] Pin B11, pin B10, pin A2, pin A3, pin B8, and pin B3 are signal transmission pins of the battery compartment display screen 320. Pin A6, pin A7, pin B6, and pin B7 are data transmission pins.

[0068] For example, the pin diagram of the external terminal 350 can refer to Fig.10 , Fig.10 The pins in the Fig.11 , the six signal transmission pins of the battery compartment display screen 320, namely pin B11, pin B10, pin A2, pin A3, pin B8 and pin B3, are missing.

[0069] like Fig.11 As shown, the second aspect of the embodiment of the present application provides a recorder body 100, and the recorder body 100 includes a power supply circuit 400, and the power supply circuit 400 is electrically connected to the connection terminal 150. Specifically, the power supply circuit 400 is electrically connected to the first power supply pin 152. When the vehicle is turned off and the power is cut off, the recorder body 100 may not have time to save the data, resulting in damage to the video file. In this embodiment, by setting the power supply circuit 400, when the vehicle is turned off and the power is cut off, the power supply circuit 400 can provide short-term power to the recorder body 100, so that the recorder body 100 can complete the shutdown process and reduce the probability of damage to the video file. When the vehicle is ignited and powered, the first power supply pin 152 can charge the power supply circuit 400 for use when the engine is turned off next time.

[0070] like Fig.12As shown, the power supply circuit 400 includes a first unidirectional conductive member 410 , a super capacitor 420 , a second unidirectional conductive member 430 and a first switch module 440 .

[0071] The first unidirectional conductive member 410 is disposed between the external power supply terminal 471 and the output terminal 472. The external power supply terminal 471 is used to provide electric energy, and the output terminal 472 is used to connect to a load. In general, the external power supply terminal 471 supplies power to the output terminal 472, and the first unidirectional conductive member 410 can prevent the current of the output terminal 472 from flowing back to the external power supply terminal 471. Exemplarily, the external power supply terminal 471 is connected to the first power supply pin 152, and the output terminal 472 is connected to the power management module 190.

[0072] The supercapacitor 420 is connected to the external power supply terminal 471 and the output terminal 472, the second unidirectional conductive member 430 is arranged between the external power supply terminal 471 and the supercapacitor 420, the first switch module 440 is arranged between the supercapacitor 420 and the output terminal 472, the controlled end of the first switch module 440 is connected to the system power supply terminal 473, and when the external power supply terminal 471 is powered off, the system power supply terminal 473 is powered off. The supercapacitor 420 has a long charge and discharge cycle life, is not prone to spontaneous combustion, and can withstand high temperatures. Exemplarily, the system power supply terminal 473 is output by the power management module 190, the voltage of the external power supply terminal 471 is 5V, and the voltage of the system power supply terminal 473 is 3.3V.

[0073] When the external power supply terminal 471 is powered, the first switch module 440 is disconnected, and the external power supply terminal 471 supplies power to the output terminal 472. The external power supply terminal 471 can also charge the super capacitor 420. When the external power supply terminal 471 is powered off, the first switch module 440 is turned on, and the super capacitor 420 supplies power to the output terminal 472.

[0074] For example, Fig.13 VBUS serves as an external power supply terminal 471 , PWR serves as an output terminal 472 , and the external power supply terminal 471 supplies power to the output terminal 472 through a diode D1 . Fig.14 Another path of VBUS is connected to the contact CAP-VOT through the diode D2, and the super capacitor 420 is powered through the contact CAP-VOT. When the first switch module 440 is turned on, the super capacitor 420 can power PWR through CAP-VOT.

[0075] like Fig.14 As shown, in some embodiments, the first switch module 440 includes a first capacitor C1, a first switch element Q5 and a second switch element Q4.

[0076] The first end of the first capacitor C1 is connected to the system power supply end 473, and the second end of the first capacitor C1 is grounded; the controlled end of the first switch element Q5 is connected to the first end of the first capacitor C1, and the output end 472 of the first switch is grounded; the controlled end of the second switch element Q4 is connected to the input end of the first switch, the input end of the second switch element Q4 is connected to the supercapacitor 420, and the output end 472 of the second switch element Q4 is connected to the output end 472.

[0077] When the external power supply terminal 471 is powered off, the system power supply terminal 473 is powered off. At this time, the first capacitor C1 is discharged, so that the first switch element Q5 is turned on, thereby turning on the second switch element Q4. At this time, the super capacitor 420 can be connected to the output terminal 472 to supply power to the output terminal 472.

[0078] In some embodiments, the first switch module 440 further includes a first voltage-dividing resistor R12 , a second voltage-dividing resistor R17 and a third switch element Q1 . The third switch element Q1 can be provided to further prevent the current of the output terminal 472 from flowing back to the super capacitor 420 .

[0079] Specifically, the first end of the first voltage-dividing resistor R12 is connected to the external power supply end 471, the first end of the second voltage-dividing resistor R17 is connected to the second end of the first voltage-dividing resistor R12, the second end of the second voltage-dividing resistor R17 is grounded, the controlled end of the third switch element Q1 is connected to the first end of the second voltage-dividing resistor R17, the input end of the third switch element Q1 is connected to the output end 472 of the second switch element Q4, and the output end 472 of the third switch element Q1 is connected to the output end 472.

[0080] In some embodiments, the power supply time of the super capacitor 420 is 4 seconds to 6 seconds. If the power supply time of the super capacitor 420 is too long, a large power-off super capacitor 420 needs to be set, which is costly. If the power supply time of the super capacitor 420 is too short, the recorder body 100 may not have time to complete the shutdown process, and the video retention fails. In this embodiment, the capacity of the super capacitor 420 is relatively appropriate, so that the recorder body 100 can complete the shutdown process, and the capacity of the super capacitor 420 is relatively small, thereby saving costs and saving occupied space.

[0081] like Fig.14 As shown, in some embodiments, the power supply circuit 400 further includes a first current limiting resistor R18 and a second current limiting resistor R19, the first current limiting resistor R18 is arranged between the first unidirectional conductive member 410 and the super capacitor 420, and the second current limiting resistor R19 is connected in parallel with the first current limiting resistor R18. The first current limiting resistor R18 and the second current limiting resistor R19 are mainly used to control the charging power consumption of the super capacitor 420 and limit the current when the super capacitor 420 is charged. Setting two resistors can reduce heat generation.

[0082] like Fig.15 As shown, in some embodiments, the power supply circuit 400 further includes a filter module 460 connected to the output terminal 472 for filtering the output terminal 472 to make the power supply of the output terminal 472 purer. The filter module 460 can refer to Fig.13 Capacitor C394, capacitor C3, and capacitor C2.

[0083] like Fig.15 As shown, in some embodiments, the power supply circuit 400 also includes a second switch module 450, the controlled end of the second switch module 450 is connected to the system power supply end 473, the input end of the second switch module 450 is connected to the super capacitor 420, and the output end 472 of the second switch module 450 is connected to the detection end 474, and the detection end 474 is used to detect the voltage of the super capacitor 420 in real time and monitor whether the state of the super capacitor 420 is normal.

[0084] like Fig.16 As shown, in some embodiments, the second switch module 450 includes a fourth switch element Q7 and a fifth switch element Q6, the controlled end of the fourth switch element Q7 is connected to the system power supply end 473, and the output end 472 of the fourth switch element Q7 is grounded. The controlled end of the fifth switch element Q6 is connected to the input end of the fourth switch element Q7, the input end of the fifth switch element Q6 is connected to the super capacitor 420, and the output end 472 of the fifth switch element Q6 is connected to the detection end 474, and the detection end 474 is Fig.16 When the system power supply terminal 473 is powered off, the second switch module 450 is powered off, thereby preventing the detection terminal 474 from consuming the power of the super capacitor 420, so that the power of the super capacitor 420 can be supplied to the recorder body 100.

[0085] like Fig.16 As shown, in some embodiments, the second switch module 450 further includes a third voltage-dividing resistor R32 and a fourth voltage-dividing resistor R35, the first end of the third voltage-dividing resistor R32 is connected to the output end 472 of the fifth switch Q6, the first end of the fourth voltage-dividing resistor R35 is connected to the second end of the third voltage-dividing resistor R32 and the detection end 474, and the second end of the fourth voltage-dividing resistor R35 is grounded. By first stepping down the voltage of the super capacitor 420 and then measuring it, it is avoided to exceed the range.

[0086] like Fig.17As shown, the third aspect of the embodiment of the present application provides a battery compartment 300, which is used to supply power to the recorder body 100 after being combined with the recorder body 100. The battery compartment 300 includes a mating terminal 340, a battery 330 and a battery compartment display screen 320. The mating terminal 340 is used to connect to the recorder body 100; the battery 330 is connected to the mating terminal 340; the battery compartment display screen 320 is connected to the mating terminal 340, and the battery compartment display screen 320 is used for selfies; wherein, when the battery compartment 300 is connected to the recorder body 100, the battery 330 supplies power to the recorder body 100 through the mating terminal 340, and the recorder body 100 can control the battery compartment display screen 320 through the mating terminal 340.

[0087] like Fig.17 As shown, in some embodiments, the battery compartment 300 further includes a protection circuit 380, which is used to protect the battery 330 and prevent the battery 330 from over-discharging. The protection circuit 380 is connected between the battery 330 and the mating terminal 340. When the voltage of the battery 330 is lower than the preset voltage, the protection circuit 380 is disconnected, and when the voltage of the battery 330 is higher than the preset voltage, the protection circuit 380 is turned on. For example, when the voltage of the battery 330 is lower than 3.3V, the protection circuit 380 is disconnected, and the battery 330 stops supplying power, thereby protecting the battery 330 and improving the service life of the battery 330.

[0088] like Fig.18 As shown, in some embodiments, the protection circuit 380 includes a voltage detection element U5, a first protection switch Q2 and a second protection switch Q1. The input end of the voltage detection element U5 is connected to the battery 330, and the ground end of the voltage detection element U5 is grounded; the controlled end of the first protection switch Q2 is connected to the output end 472 of the voltage detection element U5, and the output end 472 of the first protection switch Q2 is grounded; the controlled end of the second protection switch Q1 is connected to the input end of the first protection switch Q2, the input end of the second protection switch Q1 is connected to the battery 330, and the output end 472 of the second protection switch Q1 is connected to the matching terminal 340. When the voltage detection element U5 detects that the voltage of the VDD pin is lower than 3.3V, the OUT pin of the voltage detection element U5 outputs a low level, so that the first protection switch Q2 is turned off, the second protection switch Q1 is turned off, and the battery 330 stops supplying power.

[0089] like Fig.17 As shown, in some embodiments, the battery compartment 300 further includes a boost module 370 , which is connected between the protection circuit 380 and the mating terminal 340 .

[0090] like Fig.18As shown, in some embodiments, the boost module 370 includes a boost chip U3, a power inductor L3 and a power diode D4, the boost chip U3 has an input terminal connected to the protection circuit 380, and an output terminal 472 of the boost chip U3 is connected to the matching terminal 340; the power inductor L3 is arranged between the input terminal and the output terminal 472 of the boost chip U3; the positive electrode of the power diode D4 is connected to the output terminal 472 of the boost chip U3, and the negative electrode is connected to the matching terminal 340. The model of the boost chip U3 can be LP6222SPF by way of example.

[0091] like Fig.17 As shown, in some embodiments, the battery compartment 300 further includes a fast charging module 360, which is disposed between the battery 330 and the mating terminal 340. The chip model of the fast charging module 360 ​​may be IP2315, for example.

[0092] like Fig.19 As shown, in some embodiments, the battery compartment 300 also includes a switching module 390 and an external terminal 350, the input end of the switching module 390 is connected to the external terminal 350, the output end 472 of the switching module 390 is connected to the fast charging module 360 ​​and the mating terminal 340, and the switching module 390 can connect the external terminal 350 to the mating terminal 340 or connect the external terminal 350 to the fast charging module 360.

[0093] like Fig. 20 As shown, in some embodiments, the switching module 390 includes a switching chip U4, the input end of the switching chip U4 is connected to the external terminal 350, the output end 472 of the switching chip U4 is connected to the fast charging module 360 ​​and the mating terminal 340, and the control pin of the switching chip U4 is connected to the system power supply end 473.

[0094] When the battery compartment 300 is combined with the recorder body 100, the system power supply terminal 473 is at a high level, and the external terminal 350 is connected to the mating terminal 340 through the switching chip U4; when the battery compartment 300 is separated from the recorder body 100, the system power supply terminal 473 is at a low level, and the external terminal 350 is connected to the fast charging module 360 ​​through the switching chip U4. Specifically, when the SEL pin of the switching chip U4 detects a high level, pin D+ is connected to pin D2+, and pin D- is connected to pin D2-, and data can be transmitted at this time. When the SEL pin of the switching chip U4 detects a low level, pin D+ is connected to pin DP, and pin D- is connected to pin DM, and the battery can be fast charged at this time.

[0095] like Fig. 20As shown, in some embodiments, the switching module 390 also includes a first resistor R24 ​​and a second resistor R2, the first end of the first resistor R24 ​​is connected to the system power supply end 473; the first end of the second resistor R2 is connected to the second end of the first resistor R24, and the second end of the second resistor R2 is grounded. The first resistor R24 ​​and the second resistor R2 are used for voltage division, thereby reducing the voltage to a range that the SEL pin can withstand.

[0096] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of this application, it should be understood that if the terms "up", "down", "left", "right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this application. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0097] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A driving recorder, characterized in that: include: The recorder body has driving mode and mobile mode; A vehicle accessory, which can be electrically connected to the recorder body, and is used to be electrically connected to the vehicle; A battery compartment, which can be electrically connected to the recorder body, and the battery compartment is used to store electrical energy; Among them, when the recorder body is electrically connected to the vehicle accessories, the recorder body is in the driving mode, and the vehicle supplies power to the recorder body; when the recorder body is electrically connected to the battery compartment, the recorder body is in the mobile mode, and the battery compartment can supply power to the recorder body, so that the recorder body can be separated from the vehicle for shooting.

2. The driving recorder according to claim 1, characterized in that: The recorder body comprises a first shell, a camera and a host display screen, the first shell has a first surface and a second surface which are arranged opposite to each other, the camera is arranged on the first surface, and the host display screen is arranged on the second surface; The battery compartment includes a second shell and a battery compartment display screen arranged on the second shell. When the battery compartment is combined with the recorder body, the direction of the battery compartment display screen is the same as the direction of the camera.

3. The driving recorder according to claim 1, characterized in that: The recorder body includes a control module and a connection terminal electrically connected to the control module, and the connection terminal includes a detection pin; The battery compartment includes a battery and a mating terminal electrically connected to the battery, the mating terminal includes a signal pin, and the signal pin is electrically connected to the battery. When the mating terminal is plugged into the connecting terminal, the signal pin abuts against the detection pin, and the potential of the detection pin changes. The control module can switch the mode of the recorder body according to the potential of the detection pin.

4. The driving recorder according to claim 3, characterized in that: The connecting terminal includes a first data pin, the mating terminal includes a second data pin, the battery compartment also includes an external terminal, the external terminal includes a third data pin, the second data pin is electrically connected to the third data pin, and when the connecting terminal is plugged into and mated with the mating terminal, the first data pin is electrically connected to the second data pin.

5. The driving recorder according to claim 4, characterized in that: The connecting terminal includes a first power supply pin, the mating terminal includes a second power supply pin, the external terminal includes a third power supply pin, the battery compartment includes a fast charging module, and the fast charging module is connected between the third power supply pin and the battery; When the first power supply pin is disconnected from the second power supply pin, the fast charging module can operate, and when the first power supply pin is connected to the second power supply pin, the fast charging module stops operating.

6. The driving recorder according to claim 5, characterized in that: The connecting terminal includes a first display pin, the mating terminal includes a second display pin, and the battery compartment further includes a battery compartment display screen, and the battery compartment display screen is connected to the second display pin.

7. The driving recorder according to claim 5, characterized in that: The battery compartment includes a boost module, and the boost module is connected between the battery and the second power supply pin.

8. The driving recorder according to claim 3, characterized in that: The recorder body includes a WiFi module, the control module is connected to the WiFi module, and the WiFi module is used to connect to a mobile phone.

9. The driving recorder according to claim 3, characterized in that: The recorder body comprises a voice module, the control module is connected to the voice module, and the voice module is used to convert the user's voice into an operation instruction.

10. The driving recorder according to claim 3, characterized in that: The battery compartment is detachably connected to the recorder body. When the battery compartment is connected to the recorder body, the connecting terminal is plugged and matched with the matching terminal.

Images