Camera module, cabin monitoring system and vehicle

Abstract

The utility model relates to a camera module, a cabin monitoring system and a vehicle, and the camera module comprises a temperature control circuit and a control module. The temperature control circuit comprises a temperature control detection module and a temperature control logic module; the temperature control detection module is used for detecting temperature information of the light supplement lamp, and the temperature control logic module is connected with the temperature control detection module and is used for performing over-temperature protection on turn-off of the light supplement lamp when the temperature information exceeds a protection threshold value and providing an interrupt signal for the control module; and the control module is connected with the temperature control logic module and is used for starting the light supplementing lamp through an interrupt signal when the temperature information is recovered to the safe range. Through the temperature control circuit and the control module in the application, over-temperature protection can be carried out on the light supplement lamp and the light supplement lamp can be restarted in a safe range, so that the light supplement lamp is in a safe working temperature range, and the problems that the light supplement lamp is lack of effective over-temperature protection and normal use of the camera module is influenced are solved.

Description

Technical Field

[0001] The present application relates to the field of camera technology, and in particular to a camera module, a cockpit monitoring system and a vehicle. Background Art

[0002] With the increasing demand for driving safety in intelligent driving, the application of DMS (Driver Monitor System) / OMS (Occupancy Monitoring System) realized by camera modules is becoming more and more common. In complex and diverse usage environments, the fill light in the camera module will inevitably be affected by various factors such as abnormal module operation, abnormal module sleep, and abnormal operation of the LED PWM (fill light pulse) driver, resulting in abnormal conditions such as constant lighting, overheating, reduced life, or even damage.

[0003] In response to the abnormal situation of overheating of the fill light, most of the physical heat dissipation measures such as metal shells and thermal conductive foams are currently used for limited passive heat dissipation, which lacks effective over-temperature protection. Once the fill light is overheated and burned, it will affect the normal use of the camera module.

[0004] With regard to the problem in the related technology that the fill light lacks effective over-temperature protection, which affects the normal use of the camera module, no effective solution has been proposed yet. Utility Model Content

[0005] Based on this, it is necessary to provide a camera module, a cockpit monitoring system and a vehicle that can effectively protect the fill light from over-temperature in order to solve the above-mentioned technical problems.

[0006] In a first aspect, a camera module is provided in this embodiment, including: a temperature control circuit and a control module;

[0007] The temperature control circuit includes a temperature control detection module and a temperature control logic module;

[0008] The temperature control detection module is used to detect the temperature information of the fill light, and the temperature control logic module is connected to the temperature control detection module, and is used to shut down the fill light for over-temperature protection when the temperature information exceeds a protection threshold, and provide an interrupt signal to the control module;

[0009] The control module is connected to the temperature control logic module, and is used to start the fill light through the interrupt signal when the temperature information returns to a safe range.

[0010] In some of the embodiments, the camera module further includes: a fill light driver;

[0011] The fill light driver is connected to the fill light and is used to pull down the enable pin to stop working under the drive of the temperature control logic module, so as to turn off the fill light for over-temperature protection.

[0012] In some embodiments, the system further comprises: an image sensor, and a fill light pulse driver in the image sensor; the image sensor is serially connected to the control module; the fill light pulse driver is connected to the fill light driver;

[0013] After receiving the interrupt signal, the control module obtains the temperature information of the fill light and the working state of the image sensor to reset the image sensor or the fill light pulse driver.

[0014] In some embodiments, the control module is further configured to:

[0015] The fill light pulse driver is driven to stop outputting pulse signals, and the fill light driver is controlled to stop working, so as to turn off the fill light for over-temperature protection.

[0016] In some of the embodiments, the temperature control circuit is further used for:

[0017] When the temperature information is restored to a safe range, the enable pin of the fill light driving is restored.

[0018] In some embodiments, the control module is further configured to:

[0019] After confirming that the temperature control circuit restores the enable pin of the fill light driving, the fill light pulse driver is driven to output a pulse signal to start the fill light.

[0020] In some of the embodiments, the image sensor further comprises: a functional safety register;

[0021] The functional safety register is used to provide the control module with the working status of the image sensor.

[0022] In some of the embodiments, the image sensor is further used for:

[0023] The image data after the fill light is collected and transmitted to the control module for image processing.

[0024] In a second aspect, in this embodiment, a cockpit monitoring system is provided, including a driver monitoring system and / or a passenger monitoring system, wherein the driver monitoring system and / or the passenger monitoring system include the camera module as described in the first aspect above.

[0025] According to a third aspect, a vehicle is provided in this embodiment, comprising a cockpit monitoring system as described in the second aspect above.

[0026] Compared with the related art, a camera module, a cockpit monitoring system and a vehicle are provided in this embodiment, and the camera module includes a temperature control circuit and a control module; the temperature control circuit includes a temperature control detection module and a temperature control logic module; the temperature control detection module is used to detect the temperature information of the fill light, and the temperature control logic module is connected to the temperature control detection module, and is used to shut down the fill light for over-temperature protection when the temperature information exceeds the protection threshold, and to provide an interrupt signal to the control module; the control module is connected to the temperature control logic module, and is used to start the fill light through the interrupt signal when the temperature information returns to a safe range. Through the temperature control circuit and control module in this application, the fill light can be protected from over-temperature and restarted within a safe range, so that the fill light is within a safe operating temperature range, which solves the problem that the fill light lacks effective over-temperature protection and affects the normal use of the camera module.

[0027] Details of one or more embodiments of the present application are set forth in the following drawings and description to make other features, objects, and advantages of the present application more readily apparent. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0029] Figure 1 is a schematic structural diagram of a camera module in an embodiment;

[0030] Figure 2 It is a schematic diagram of the structure of a camera module in another embodiment. DETAILED DESCRIPTION

[0031] In order to more clearly understand the purpose, technical solutions and advantages of the present application, the present application is described and illustrated below in conjunction with the accompanying drawings and embodiments.

[0032] Unless otherwise defined, the technical terms or scientific terms involved in this application shall have the general meaning understood by people with ordinary skills in the technical field to which this application belongs. The words "one", "a", "a", "the", "these" and the like in this application do not represent quantitative restrictions, and they can be singular or plural. The terms "include", "comprise", "have" and any variants thereof involved in this application are intended to cover non-exclusive inclusions; for example, a process, method and system, product or device comprising a series of steps or modules (units) is not limited to the listed steps or modules (units), but may include unlisted steps or modules (units), or may include other steps or modules (units) inherent to these processes, methods, products or devices. The words "connect", "connected", "coupled" and the like involved in this application are not limited to physical or mechanical connections, but may include electrical connections, whether directly or indirectly. The "multiple" involved in this application refers to two or more. "And / or" describes the association relationship of associated objects, indicating that there can be three relationships. For example, "A and / or B" can mean: A exists alone, A and B exist at the same time, and B exists alone. Usually, the character " / " indicates that the objects associated with each other are in an "or" relationship. The terms "first", "second", "third", etc. involved in this application are only used to distinguish similar objects and do not represent a specific ordering of the objects.

[0033] With the increasing demand for driving safety in intelligent driving, the application of DMS (Driver Monitor System) / OMS (Occupancy Monitoring System) realized by camera modules is becoming more and more common. In complex and diverse usage environments, the fill light in the camera module will inevitably be affected by various factors such as abnormal module operation, abnormal module sleep, and abnormal operation of the fill light pulse driver, resulting in abnormal conditions such as constant light, overheating, reduced life, or even damage.

[0034] In response to the abnormal situation of overheating of the fill light, most of the physical heat dissipation measures such as metal shells and thermal conductive foams are currently used for limited passive heat dissipation, which lacks effective over-temperature protection. Once the fill light is overheated and burned, it will affect the normal use of the camera module.

[0035] In this embodiment, a camera module is provided. Figure 1 Schematic diagram of the structure of the camera module in this embodiment. Figure 1 As shown, the camera module includes: a temperature control circuit and a control module.

[0036] Wherein, the temperature control circuit includes a temperature control detection module and a temperature control logic module;

[0037] The temperature control detection module is used to detect the temperature information of the fill light. The temperature control logic module is connected to the temperature control detection module to shut down the fill light for over-temperature protection when the temperature information exceeds the protection threshold, and to provide an interrupt signal to the control module.

[0038] The control module is connected to the temperature control logic module and is used to start the fill light through an interrupt signal when the temperature information returns to a safe range.

[0039] Specifically, the temperature control detection module in the temperature control circuit is connected to the temperature control logic module. The temperature control detection module is connected to the fill light, and can use devices such as thermistors to detect the temperature information of the fill light, convert the detected temperature information (analog signal) into a digital signal, and transmit the temperature information to the temperature control logic module.

[0040] In the temperature control logic module, a protection threshold of the fill light temperature is set. When the detected temperature information exceeds the protection threshold, the temperature control logic module shuts down the fill light drive to shut down the fill light for over-temperature protection, thereby achieving the effect of temperature reduction protection and providing an interrupt signal to the control module. Specifically, the threshold judgment can be realized by a comparator or the like.

[0041] The control module is usually the vehicle's ECU (Electronic Control Unit), which is set with a safe range of fill light temperature. The control module is connected to the temperature control logic module through a serializer / deserializer. After receiving the interrupt signal, the control module determines the temperature information of the fill light through the temperature control logic module, and when the temperature information returns to a safe range, controls the fill light driver to output a pulse current to start the fill light.

[0042] Through the camera module provided in this embodiment, the temperature control circuit can protect the fill light from over-temperature, and the control module can restart the fill light when the temperature information is within a safe range, so that the fill light is within a safe operating temperature range, providing effective over-temperature protection and will not affect the normal use of the camera module. Compared with the method of turning off the fill light through the ECU control module in the prior art, the fill light drive is directly turned off by the temperature control circuit in this embodiment, which has a faster response speed, and even when the control module is dormant or the fill light drive is abnormal, the temperature control circuit can still shut down the fill light drive for over-temperature protection, preventing the fill light from burning out due to abnormal fill light drive, thereby improving the safety of the fill light and the camera module.

[0043] In some of the embodiments, the camera module further includes: a fill light driver;

[0044] The fill light driver is connected to the fill light and is used to pull down the enable pin to stop working under the drive of the temperature control logic module, so as to turn off the fill light for over-temperature protection.

[0045] Specifically, Figure 1 As shown, the fill light driver is connected to the fill light and the temperature control logic module respectively. When an abnormality occurs, the fill light driver will output a high pulse width to supply power to the fill light. The temperature control detection module detects that the temperature of the fill light rises rapidly. The temperature control logic module is used to pull down the EN enable pin of the fill light driver when the temperature information of the fill light exceeds the protection threshold, so that the fill light driver stops working, turns off the fill light for cooling, and realizes over-temperature protection.

[0046] In this embodiment, the temperature control logic module pulls down the enable pin of the fill light driver, so that the fill light driver stops working to turn off the fill light. It has a faster response speed, and even when the control module is dormant or the fill light driver is abnormal, the temperature control circuit can still effectively protect the fill light driver from over-temperature, thereby improving the safety of the fill light and the camera module.

[0047] In some of the embodiments, the temperature control circuit is further used to restore the enable pin of the fill light driver when the temperature information returns to a safe range.

[0048] Specifically, after the enable pin of the fill light driver is pulled down through the temperature control logic module, the over-temperature protection of the fill light is turned on, the temperature of the fill light will gradually decrease and return to the set safety range. The temperature control logic module will turn off special measures and restore the enable pin of the fill light driver to facilitate the subsequent restart of the fill light to resume work.

[0049] In some embodiments, the device further comprises: an image sensor, and a fill light pulse driver in the image sensor; the image sensor is serially connected to the control module; the fill light pulse driver is connected to the fill light driver;

[0050] After receiving the interrupt signal, the control module obtains the temperature information of the fill light and the working state of the image sensor to reset the image sensor or the fill light pulse driver.

[0051] Specifically, Figure 1 As shown, the image sensor is connected to the control module in series, and the fill light pulse driver is connected to the fill light driver. After receiving the interrupt signal, the control module reads the information of the temperature control logic module through I2C to confirm the current temperature information of the fill light, and reads the functional safety register of the image sensor through I2C to obtain and record the working status of the image sensor. By sending instructions to the image sensor, the configuration of the image sensor or the fill light pulse driver is reset, and an over-temperature alarm of the fill light is issued to the user, which can be specifically in the form of voice broadcast, icon flashing, etc. The exposure value, duty cycle and other related configurations of the image sensor are reset to restore the image sensor or the fill light pulse driver to a normal working state.

[0052] Before the control module resets the image sensor or the fill light pulse driver, the control module is also used to: drive the fill light pulse driver to stop outputting pulse signals, control the fill light driver to stop working, and turn off the fill light for over-temperature protection.

[0053] Specifically, by sending instructions to the image sensor, the fill light pulse driver is driven to stop outputting pulse signals, the fill light driver is controlled to stop working, and a double over-temperature protection measure is taken for the fill light to avoid the failure of the over-temperature protection of the temperature control circuit, thereby improving the safety of the fill light and the camera module.

[0054] In some of the embodiments, the image sensor is further used to collect image data after fill light, and transmit the image data to the control module for image processing.

[0055] Among them, after the camera module is started, the fill light pulse driver in the image sensor provides a PWM (Pulse Width Modulation) signal, and the fill light driver drives the fill light to work according to the PWM signal. After the image sensor collects the image data after the fill light, it transmits the image data over long distances through the serializer / deserializer, and transmits the image data to the control module for recognition and other image processing.

[0056] In some of the embodiments, the control module is further used to: after confirming that the temperature control circuit has restored the enable pin of the fill light driving, drive the fill light pulse driver to output a pulse signal to start the fill light.

[0057] Specifically, when the temperature information is restored to a safe range, the temperature control circuit restores the enable pin of the fill light driver. Since the fill light driver works under the drive of the enable pin and the pulse signal, if the enable pin is pulled low or there is no pulse signal drive, the fill light driver cannot work. Based on this, after the control module confirms that the temperature control circuit restores the enable pin of the fill light driver, it sends an instruction to the fill light pulse driver in the image sensor to continue to output the pulse signal. The fill light driver outputs a pulse current under the drive of the pulse signal, and the fill light starts to resume work, so that the fill light restarts within a safe range.

[0058] Furthermore, after the fill light starts working, the control module reads the functional safety register of the image sensor to confirm whether there are any working abnormalities and errors, and detects whether the brightness of the received image data is normal. After confirming that it is correct, the control module records the information related to the over-temperature protection for troubleshooting, such as the functional safety register status and the temperature during over-temperature.

[0059] In some of the embodiments, the image sensor further includes: a functional safety register; the functional safety register is used to provide the control module with the working status of the image sensor.

[0060] Specifically, the control module is connected to the image sensor via a serializer / deserializer, and reads and records the working status of the image sensor through a functional safety register in the image sensor, and determines whether it is an abnormal working status.

[0061] The present embodiment is described and illustrated below through preferred embodiments.

[0062] Figure 2 Schematic diagram of the structure of the camera module in this embodiment. Figure 2 As shown, the camera module includes: a temperature control detection module, a temperature control logic module, a fill light, a fill light driver, a control module and an image sensor.

[0063] Among them, the temperature control detection module includes devices such as thermistors, which are connected to the fill light to detect the temperature information of the fill light, convert the detected temperature information (analog signal) into a digital signal, and transmit the temperature information to the temperature control logic module.

[0064] The temperature control logic module is connected to the fill light driver and the temperature control detection module respectively, wherein a protection threshold of the fill light temperature is set. When the detected temperature information exceeds the protection threshold, the temperature control logic module pulls down the EN enable pin of the fill light driver, and shuts down the fill light driver to perform over-temperature protection to achieve the effect of temperature reduction protection, and at the same time provides an interrupt signal to the control module. In addition, when the temperature information returns to a safe range, the enable pin of the fill light driver is restored.

[0065] The control module is usually the vehicle's ECU (Electronic Control Unit), which includes a SOC chip. The control module is connected to the image sensor and the temperature control logic module through a serializer / deserializer. After receiving the interrupt signal, the control module obtains the temperature information of the fill light and the working status of the image sensor to drive the fill light pulse driver in the image sensor to stop outputting pulse signals and reset the image sensor or the fill light pulse driver. When the temperature information returns to a safe range, the control module is also used to drive the image sensor to output a pulse signal and start the fill light after confirming that the temperature control circuit has restored the enable pin of the fill light drive.

[0066] The fill light driver is connected to the fill light and the temperature control logic module respectively, and makes the fill light work by outputting pulse current. When the temperature control detection module detects that the temperature of the fill light rises rapidly, the temperature control logic module is used to pull down the EN enable pin of the fill light driver when the temperature information of the fill light exceeds the protection threshold, so that the fill light driver stops working, turns off the fill light to cool down, and realizes over-temperature protection.

[0067] The image sensor includes a fill light pulse driver and a functional safety register, wherein the fill light pulse driver is connected to the fill light driver and enables the fill light driver to work by outputting a pulse signal; the functional safety register is used to provide the control module with the working status of the image sensor.

[0068] exist Figure 2 Based on the camera module shown, the working logic of the camera module is explained as follows:

[0069] After the camera module is started, the fill light driver outputs a pulse current to drive the fill light according to the pulse signal provided by the fill light pulse driver in the image sensor. After the image sensor collects the image data after the fill light, it transmits the image data over long distances through the serializer / deserializer and transmits the image data to the control module for recognition and other image processing.

[0070] When the fill light pulse driver is abnormal, the fill light driver will output a high pulse width to supply power to the fill light. The temperature control detection module detects that the temperature of the fill light rises rapidly. The temperature control logic module is used to pull down the EN enable pin of the fill light driver when the temperature information of the fill light exceeds the protection threshold, so that the fill light driver stops working, shuts down the fill light for cooling, and implements over-temperature protection. At the same time, it provides an interrupt signal to the control module through serial transmission.

[0071] After receiving the interrupt signal, the control module reads the information of the temperature control logic module through I2C to confirm the current temperature information of the fill light, and reads the functional safety register of the image sensor through I2C to obtain and record the working status of the image sensor. By sending instructions to the image sensor, the fill light pulse driver in the image sensor is driven to stop outputting pulse signals and reset the configuration of the image sensor or the fill light pulse driver, and an over-temperature alarm of the fill light is issued to the user, which can be specifically in the form of voice broadcast, icon flashing, etc. Among them, the exposure value, duty cycle and other related configurations of the image sensor are reset to restore the image sensor or the fill light pulse driver to a normal working state.

[0072] When the temperature information returns to a safe range, the temperature control logic module restores the EN enable pin of the fill light driver. After the control module confirms that the logic module restores the EN enable pin of the fill light driver, it sends an instruction to the fill light pulse driver in the image sensor to continue to output the pulse signal. The fill light driver outputs a pulse current under the drive of the pulse signal, and the fill light starts to resume work, so that the fill light restarts within a safe range.

[0073] Furthermore, after the fill light starts working, the control module reads the functional safety register of the image sensor to confirm whether there are any working abnormalities and errors, and detects whether the brightness of the received image data is normal. After confirming that it is correct, the control module records the information related to the over-temperature protection for troubleshooting, such as the functional safety register status and the temperature during over-temperature.

[0074] Through the camera module provided in this embodiment, the temperature control circuit can protect the fill light from over-temperature, the control module can provide double over-temperature protection measures, and restart the fill light when the temperature information is within a safe range, so that the fill light is within a safe operating temperature range, providing effective over-temperature protection, and will not affect the normal use of the camera module. In addition, in this embodiment, the fill light drive is directly turned off by the temperature control circuit, which has a faster response speed, and even when the control module is dormant or the fill light drive is abnormal, the temperature control circuit can still shut down the fill light drive for over-temperature protection, preventing the fill light from burning out due to abnormal fill light drive, thereby improving the safety of the fill light and the camera module.

[0075] In this embodiment, a cockpit monitoring system is also provided, including a driver monitoring system and / or a passenger monitoring system, and the driver monitoring system and / or the passenger monitoring system include the camera module in the above embodiments.

[0076] Among them, the driver monitoring system (Driver Monitoring System, DMS) mainly monitors the driver, specifically including fatigue monitoring, distraction monitoring, and dangerous behavior monitoring. The passenger monitoring system (Occupancy Monitoring System, OMS) mainly monitors the passengers, specifically including functions such as child care and multi-person entertainment. The cockpit monitoring system needs to use a 2D or 3D camera solution (generally with infrared function) to collect image information of the driver and / or passengers, so as to realize the above functions. Among them, the camera module needs to be equipped with a fill light to fill in the driver / passenger in the cockpit, so as to better achieve the effect of DMS / OMS. Through the camera module provided in the above embodiments, the fill light can be effectively protected from over-temperature, which improves the safety of the fill light and the camera module, and can meet the functional safety requirements of DMS / OMS.

[0077] It should be noted that the specific examples in this embodiment can refer to the examples described in the above embodiments and optional implementation modes, and will not be repeated in this embodiment.

[0078] This embodiment also provides a vehicle, comprising the cockpit monitoring system in the above embodiment.

[0079] Among them, the cockpit monitoring system has the camera module provided in the above embodiments, which can meet the functional safety requirements of DMS / OMS while also meeting the functional safety requirements of the vehicle.

[0080] It should be noted that the specific examples in this embodiment can refer to the examples described in the above embodiments and optional implementation modes, and will not be repeated in this embodiment.

[0081] It should be noted that the user information (including but not limited to user device information, user personal information, etc.) and data (including but not limited to data used for analysis, stored data, displayed data, etc.) involved in this application are all information and data authorized by the user or fully authorized by all parties.

[0082] It should be understood that the specific embodiments described herein are only used to explain the application, rather than to limit it. Based on the embodiments provided in this application, all other embodiments obtained by ordinary technicians in this field without creative work are within the protection scope of this application.

[0083] Obviously, the drawings are only some examples or embodiments of the present application. For ordinary technicians in the field, the present application can also be applied to other similar situations based on these drawings without creative work. In addition, it is understandable that although the work done in this development process may be complicated and lengthy, for ordinary technicians in the field, certain changes in design, manufacturing or production based on the technical content disclosed in this application are only conventional technical means and should not be regarded as insufficient content disclosed in this application.

[0084] The term "embodiment" in this application refers to a specific feature, structure or characteristic described in conjunction with the embodiment that can be included in at least one embodiment of the present application. The appearance of this phrase in various locations in the specification does not necessarily mean the same embodiment, nor does it mean that it is mutually exclusive with other embodiments and is independent or optional. It is clearly or implicitly understood by those of ordinary skill in the art that the embodiments described in this application can be combined with other embodiments without conflict.

[0085] The above-mentioned embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of patent protection. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the scope of protection of the present application. Therefore, the scope of protection of the present application shall be subject to the attached claims.

Claims

1. A camera module, characterized in that: include: Temperature control circuit and control module; The temperature control circuit includes a temperature control detection module and a temperature control logic module; The temperature control detection module is used to detect the temperature information of the fill light, and the temperature control logic module is connected to the temperature control detection module, and is used to shut down the fill light for over-temperature protection when the temperature information exceeds a protection threshold, and provide an interrupt signal to the control module; The control module is connected to the temperature control logic module, and is used to start the fill light through the interrupt signal when the temperature information returns to a safe range.

2. The camera module according to claim 1, characterized in that: Also includes: Fill light driver; The fill light driver is connected to the fill light and is used to pull down the enable pin to stop working under the drive of the temperature control logic module, so as to turn off the fill light for over-temperature protection.

3. The camera module according to claim 2, characterized in that: Also includes: An image sensor, and a fill light pulse driver in the image sensor; The image sensor is serially connected to the control module; The fill light pulse driver is connected to the fill light driver; After receiving the interrupt signal, the control module obtains the temperature information of the fill light and the working state of the image sensor to reset the image sensor or the fill light pulse driver.

4. The camera module according to claim 3, characterized in that: The control module is also used for: The fill light pulse driver is driven to stop outputting pulse signals, and the fill light driver is controlled to stop working, so as to turn off the fill light for over-temperature protection.

5. The camera module according to claim 2, characterized in that: The temperature control circuit is also used for: When the temperature information is restored to a safe range, the enable pin of the fill light driving is restored.

6. The camera module according to claim 5, characterized in that: The control module is also used for: After confirming that the temperature control circuit restores the enable pin of the fill light driving, the fill light pulse driver is driven to output a pulse signal to start the fill light.

7. The camera module according to claim 3, characterized in that: The image sensor further includes: a functional safety register; The functional safety register is used to provide the control module with the working status of the image sensor.

8. The camera module according to claim 3, characterized in that: The image sensor is also used for: The image data after the fill light is collected and transmitted to the control module for image processing.

9. A cockpit monitoring system, characterized in that: It comprises a driver monitoring system and / or a passenger monitoring system, and the driver monitoring system and / or the passenger monitoring system comprises a camera module as described in any one of claims 1 to 8.

10. A vehicle, characterized in that: Comprising a cockpit monitoring system as claimed in claim 9.

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