Control method of event sensing module in parking recording mode for reduction of current consumption, control system of event sensing module, and computer readable recording medium

Abstract

To provide a technique of controlling an event sensing module for reducing current consumption in a parking recording mode by using a motion sensing function.SOLUTION: A control system of an event sensing module according to an exemplary embodiment of the present invention can include: a camera including a photographing unit which photographs a video, an event sensing unit which senses an event, a parking environment analysis unit which analyzes a parking environment, and a camera connector for an interface with a body; and the body including an image processing unit which receives the video photographed by the photographing unit to be processed, a power supply unit which supplies power for an operation of the control system of the event sensing module, a control unit which controls an operation of the power supply unit, and a body connector for an interface with the camera, wherein the control unit can analyze the video photographed by the photographing unit by the parking environment analysis unit in a parking video recording mode, and perform control to turn on or off the power of the photographing unit and the event sensing unit according to the parking environment of a vehicle.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to a control technology for an event sensing module for reducing the current consumption in a parking recording mode by using a motion sensing function.

Background Art

[0002] Recently, in order to enhance vehicle parking monitoring and security, the use of black boxes equipped with motion sensing modules has been increasing. Generally, black boxes are designed by utilizing motion sensing technology to reduce the current consumption of camera modules. In particular, by applying a motion sensing module based on radar or sensors, only essential components are activated when the vehicle is parked, and the remaining components are deactivated to minimize power consumption. However, despite such optimization, there is a problem that the motion sensing module itself continuously consumes current. Such current consumption shortens the battery life and also reduces the parking monitoring time of the black box due to the characteristics of products that use the vehicle's battery or external battery.

[0003] On the other hand, as the use of parking monitoring systems incorporating a motion sensing function (a general term for functions capable of sensing the movement of an object in front, such as radar, motion recognition sensors, UWB, etc.), for example, digital video recording systems (DVRS), increases, efficient power management has been emphasized as an important issue. When the DVRS switches to the parking mode, such a motion sensing module is initialized and activated. In order to reduce the current consumption, development of a technology has been carried out to deactivate or switch to the OFF state all unnecessary functions other than the microcontroller unit (MCU) responsible for the minimum operation, such as the motion sensing function or event sensing function.

[0004] However, the conventional control system for reducing the consumption current has the following limitations. Specifically, the event detection module has to keep operating even in situations where it is difficult to detect motion, such as in an environment where motion detection is difficult or in a space where it is difficult for people or vehicles to approach, thus consuming power unnecessarily. For example, in a remote location with little movement around the vehicle or in an enclosed parking space, power consumption occurs while the module keeps operating.

[0005] Also, recently, with the development of vehicle security and parking monitoring technologies, the importance of technologies for accurately recognizing objects around the vehicle and appropriately responding to them has been increasing. In particular, as a method for improving power efficiency in a parking monitoring system such as a black box, a technology for dynamically adjusting the detection resolution of the motion detection module by utilizing the presence or absence of object recognition and the distance information between the vehicle and the object has been attracting attention.

[0006] Generally, a black box is designed to detect and record the movement around the vehicle even when the vehicle is parked. Such a system uses a motion detection function and a camera to detect the movement of people or vehicles approaching the parked vehicle. However, high-resolution detection consumes a relatively large amount of current and affects the lifespan of the vehicle's battery. In particular, even when there are no objects around the vehicle or the objects are far away from the vehicle, it is not necessary to continuously detect at a high resolution, resulting in wasted power consumption. Therefore, in order to solve the above problems, it is necessary to develop a technology for adjusting the resolution of the motion detection module according to the presence or absence of object recognition around the vehicle and the distance between the object and the vehicle. SUMMARY OF THE INVENTION PROBLEMS TO BE SOLVED BY THE INVENTION

[0007] One of the various problems of the present invention is to provide a control method for an event detection module that can significantly reduce the power consumption due to the operation of the event detection module and extend the overall operation time of the parking mode.

[0008] One of the various problems of the present invention is to provide a technique for determining the surrounding environment, sensing if the motion sensing function is unnecessary or inefficient, and then turning off or adjusting the operation of the motion sensing module.

[0009] One of the various problems of the present invention is to provide a control method for an event sensing module that can reduce power consumption by adjusting the resolution of a motion sensing module according to the presence or absence of object recognition around the vehicle and the distance between the object and the vehicle.

[0010] One of the various problems of the present invention is to provide a control method for an event sensing module that can minimize power consumption by lowering the resolution of the motion sensing module when no object is sensed around the vehicle or the object is at a distance greater than a predetermined distance, and can provide a more accurate sensing ability by increasing the resolution of the motion sensing module when the object approaches the vehicle.

Means for Solving the Problems

[0011] A control system for an event sensing module according to an exemplary embodiment of the present invention may include a camera including a photographing unit that photographs an image, an event sensing unit that senses an event, a parking environment analysis unit that analyzes a parking environment, and a camera connector for an interface with a main body, an image processing unit that receives and processes the image photographed by the photographing unit, a power supply unit that supplies power for the operation of the control system of the event sensing module, a control unit that controls the operation of the power supply unit, and a main body including a main body connector for an interface with the camera. The control unit can analyze the image photographed by the photographing unit by the parking environment analysis unit in a parking recording mode, and control to turn on or off the power supplies of the photographing unit and the event sensing unit according to the parking environment of the vehicle.

[0012] The camera can be composed of a first camera for photographing the front view of the vehicle and a second camera for photographing the rear view of the vehicle, and the first camera and the second camera can be independently controlled according to the parking environment of the vehicle.

[0013] The parking environment analysis unit can be controlled to analyze whether there is an object adjacent to the front or rear of the vehicle.

[0014] The parking environment analysis unit can be further controlled to analyze the distance between the vehicle and an object adjacent to its front or rear.

[0015] The main body can further include a sensing period adjustment unit for adjusting the sensing period of the event sensing unit, and the control unit can control the signal frequency modulation time (Chirp Time), standby time (Idle Time), and number of signal frequencies (Number of Chirp) of the event sensing unit by the sensing period adjustment unit according to the distance between the vehicle and an object adjacent to its front or rear.

[0016] The control unit can control to shorten the signal frequency modulation time (Chirp Time), increase the standby time (Idle Time), or decrease the number of signal frequencies (Number of Chirp) as the distance between the vehicle and an object adjacent to its front or rear increases.

[0017] The control unit can control to increase the signal frequency modulation time (Chirp Time), shorten the standby time (Idle Time), or increase the number of signal frequencies (Number of Chirp) as the distance between the vehicle and an object adjacent to its front or rear decreases.

[0018] The main body can further include an output adjustment unit for adjusting the output of the event sensing unit, and the control unit can control the output adjustment unit to increase or decrease the output intensity of the event sensing unit according to the distance between the vehicle and an object adjacent to the front or rear of the vehicle.

[0019] The control unit can control the output adjustment unit to decrease the output intensity of the event sensing unit as the distance between the vehicle and an object adjacent to the front or rear of the vehicle approaches.

[0020] The control unit can control the output adjustment unit to increase the output intensity of the event sensing unit as the distance between the vehicle and an object adjacent to the front or rear of the vehicle increases.

[0021] The parking environment analysis unit can be controlled to further analyze whether an object adjacent to the front or rear of the vehicle is a fixed structure.

[0022] When there is a fixed structure adjacent to the front of the vehicle, the control unit can control to turn off the power supply of the imaging unit and the event sensing unit of the first camera, and when there is a fixed structure adjacent to the rear of the vehicle, the control unit can control to turn off the power supply of the imaging unit and the event sensing unit of the second camera.

[0023] When there is a fixed structure adjacent to the front of the vehicle, the control unit can control to periodically turn on the power supply of the imaging unit and the event sensing unit of the first camera at a preset time interval, and when there is a fixed structure adjacent to the rear of the vehicle, the control unit can control to periodically turn on the power supply of the imaging unit and the event sensing unit of the second camera at a preset time interval.

[0024] The method for controlling an event sensing module according to an exemplary embodiment of the present invention may include the steps of starting to enter the parking mode of the vehicle, controlling to turn off the power supply to the imaging unit of the vehicle and turn on the power supply to the event sensing unit of the vehicle, analyzing the parking environment of the vehicle, determining whether it is necessary to change the settings of the event sensing unit, and changing the settings of the event sensing unit. The parking environment analysis step may be performed by analyzing whether there is an object adjacent to the front or rear of the vehicle and the distance between the vehicle and the adjacent object. The step of changing the settings of the event sensing unit may be performed by turning off the power supply to the event sensing unit or adjusting the signal frequency and output intensity of the event sensing unit.

[0025] In the parking environment analysis step, when the adjacent object is analyzed as a fixed structure, the step of changing the settings of the event sensing unit may be performed by turning off the power supply to the event sensing unit or periodically turning on the power supply to the event sensing unit at preset time intervals.

[0026] In the parking environment analysis step, when the adjacent object is analyzed as approaching the vehicle, the step of changing the settings of the event sensing unit may be controlled to reduce the output intensity of the event sensing unit. In the parking environment analysis step, when the adjacent object is analyzed as moving away from the vehicle, the step of changing the settings of the event sensing unit may be controlled to increase the output intensity of the event sensing unit.

[0027] In the parking environment analysis step, when it is analyzed that the adjacent object moves away from the vehicle, the setting change step of the event sensing unit can be controlled to shorten the signal frequency modulation time (Chirp Time) of the event sensing unit, lengthen the standby time (Idle Time), or decrease the number of signal frequencies (Number of Chirp). In the parking environment analysis step, when it is analyzed that the adjacent object approaches the vehicle, the setting change step of the event sensing unit can be controlled to lengthen the signal frequency modulation time (Chirp Time) of the event sensing unit, shorten the standby time (Idle Time), or increase the number of signal frequencies (Number of Chirp).

[0028] The process of adjusting the output intensity of the event sensing unit and the process of adjusting the signal frequency performed in the setting change step of the event sensing unit can be performed simultaneously and independently.

[0029] The control method of the event sensing module can be provided as a computer-readable recording medium on which a program for performing the same is recorded.

[0030] The control method of the event sensing module can be provided as a computer program stored in a computer-readable recording medium and including program codes for its execution.

Advantages of the Invention

[0031] In the parking recording mode according to an exemplary embodiment of the present invention, the control system and method of the event sensing module analyze the parking environment of the vehicle and control the power supply of the photographing unit and the event sensing unit, thereby preventing unnecessary power consumption. As a result, the battery life of the vehicle can be extended, and long-term stable parking monitoring can be enabled.

[0032] In addition, according to the present invention, by appropriately turning on / off the power supplies of the imaging unit and the event sensing unit according to the parking environment of the vehicle, or by adjusting the output and sensing periods, the current consumption can be minimized, thereby reducing the battery consumption of the vehicle and maintaining the parking monitoring function for a longer time.

[0033] In addition, according to the present invention, the parking environment analysis unit can analyze the presence / absence and distance of objects adjacent to the front and rear of the vehicle, and the presence / absence of movement of the objects, and automatically adjust the optimal sensing settings. In particular, in unnecessary monitoring situations such as fixed structures adjacent to the front and rear of the vehicle, the power supply of the event sensing unit can be turned off or periodically turned on to save power. When adjacent objects approach or move away from the vehicle, the sensing settings can be dynamically changed to enable efficient monitoring.

[0034] In addition, according to the present invention, by adjusting the signal frequency modulation time (Chirp Time), idle time, and number of signal frequencies (Number of Chirp) of the event sensing unit according to the distance between the vehicle and the object, when the object approaches, it provides improved resolution and resolving power with high sensing resolution, and when the object moves away, it can be switched to low resolution to save the power consumption of the event sensing unit. Such optimized operation can maintain the sensing performance and provide the effect of reducing power consumption.

[0035] In addition, according to the present invention, by adjusting the output intensity of the event sensing unit according to the distance between the vehicle and the object, when the object approaches, the output intensity is decreased, and when the object moves away, the output intensity is increased, so that the sensing performance can be efficiently maintained. As a result, unnecessary current consumption is reduced, and the power efficiency of the entire system can be improved.

Brief Description of the Drawings

[0036]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Mode for Carrying Out the Invention

[0037] Hereinafter, specific embodiments of the present invention will be described. The following detailed description is provided to assist in a comprehensive understanding of the methods, apparatuses, and / or systems described herein. However, this is merely an example, and the present invention is not limited thereto.

[0038] In describing embodiments of the present invention, when it is determined that a specific description of a known technique related to the present invention may obscure the gist of the present invention, the detailed description thereof will be omitted. Further, the terms described below are terms defined in consideration of the functions in the present invention, and these may vary depending on the intention or convention of the user, operator, etc. Therefore, the definition should be made based on the content throughout this specification. The terms used in the detailed description are merely for describing the embodiments of the present invention and should never be restrictive. Unless otherwise clearly stated, expressions in the singular form include the meaning of the plural form. In this description, expressions such as "including" or "comprising" are for indicating a certain characteristic, number, step, operation, element, part thereof or combination, and should not be construed as excluding the existence or possibility of one or more other characteristics, numbers, steps, operations, elements, part thereof or combination other than those described.

[0039] Also, in describing the components of the embodiments of the present invention, terms such as first, second, A, B, (a), (b), etc. can be used. These terms are for distinguishing the components from other components, and the essence, procedure or order of the components are not limited by the terms.

[0040] The present invention relates to a control system for an event sensing module for reducing power consumption in a parking recording mode of a vehicle.

[0041] FIG. 1 is a configuration diagram for explaining a control system 1000 of an event sensing module according to an exemplary embodiment of the present invention.

[0042] Referring to FIG. 1, the control system 1000 of the event sensing module is a system provided in a vehicle, which captures images in situations such as driving, stopping, and parking of the vehicle and stores the captured images, and can include a camera 100 and a main body 200.

[0043] Here, the camera 100 and the main body 200 may be physically separated from each other and configured individually.

[0044] In the present invention, a vehicle is an example of a moving body, and the moving body of the present invention is not limited to a vehicle. The moving body according to the present invention can include various movable objects such as a vehicle, a person, a bicycle, a ship, a train, and the like. Hereinafter, for convenience of explanation, the case where the moving body is a vehicle will be described as an example.

[0045] Also, in this specification, an act of triggering the operation of the control system 1000 of the event sensing module is defined as an event. For example, the types of events include not only events related to the presence or absence of adjacent objects and the adjacent distance, such as the presence or absence of objects adjacent to the front and rear of the vehicle and the change in the adjacent distance between the vehicle and the adjacent objects, but also impact events, motion events, user gesture events, user touch events, remote control command reception events, and the like. Here, the control system 1000 of the event sensing module can include all or part of a front imaging device that images the front of the vehicle, a rear imaging device that images the rear, a side imaging device that images the left and right sides, an imaging device that images the face of the vehicle driver, and an in-vehicle imaging device that images the interior of the vehicle.

[0046] An in-vehicle infrared camera, an in-vehicle black box, a car dash cam, or a car video recorder are other expressions of the control system 1000 of the event sensing module, and any of them can mean the same thing.

[0047] The camera 100 can include a photographing unit 110, an event sensing unit 120 that senses an event, a parking environment analysis unit 150 that analyzes the parking environment, and a camera connector 130 for interface with the main body 200. The main body 200 can receive and process the video captured by the photographing unit 110, an image processing unit 210, a power supply unit 240 that supplies power for the operation of the control system 1000 of the event sensing module, a control unit 220 that controls the operation of the power supply unit, and a main body connector 230 for interface with the camera 100.

[0048] The photographing unit 110 can capture a peripheral video of a moving body. Here, the video is a video captured in at least one situation during parking, stopping, and traveling of the vehicle, and can include at least one of the front, rear, side, and inside of the vehicle. Here, the photographing unit 110 may include an infrared camera that can monitor the face or pupils of the driver, and the control unit 220 can determine the state of the driver, including whether the driver is drowsy driving, by monitoring the face or pupils of the driver through the infrared camera.

[0049] Such a photographing unit 110 can include a lens unit, an image sensor, an image signal processor (ISP), a serializer, and the like.

[0050] The event detection unit 120 is a sensor that detects events, and can include a shock event detection sensor that detects the shock applied to the vehicle and / or a motion event detection sensor that detects objects such as people, vehicles, and animals approaching the vehicle. However, it is not limited thereto, and the event detection unit 120 may be a concept including sensors that detect various events that trigger the operation of the control system 1000 of the event detection module. In one embodiment, the event detection unit 120 can include at least one of a shock event detection sensor and a motion event detection sensor. The event detection unit 120 may be referred to as a motion detection module.

[0051] The camera connector 130 can perform an interface function between the camera 100 and the main body 200, such as receiving the power supply of the main body 200 and performing data communication.

[0052] On the other hand, the photographing unit 110 can further include a manual operation detection unit 160, and the manual operation detection unit 160 can be controlled by the control unit 220 to determine whether the vehicle is manually operated by the driver.

[0053] The image processing unit 210 can receive, process, and store in a memory (not shown) the video captured by the imaging unit 110. As an example, the image processing unit 210 can analyze the video received from the camera 100 and perform an analysis to determine whether an advanced driving assistance system (ADAS) is required for the driver of the vehicle. Here, the driving assistance function can include sensing the start of a vehicle located in front of the vehicle and guiding the driver on whether a forward vehicle start alarm (FVSA) is required, sensing the presence or absence of a signal change and guiding the driver on whether a traffic light change alarm (TLCA) is required, sensing the presence or absence of the vehicle leaving the lane and guiding the driver on whether a lane departure warning system (LDWS) is required, sensing the risk of collision with a vehicle in front of the vehicle and guiding the driver on whether a forward collision warning system (FCWS) is required, and so on.

[0054] The control unit 220 can control the overall operation of the control system 1000 of the event sensing module. Specifically, the control unit 220 can set the recording mode of the control system 1000 of the event sensing module based on the presence or absence of vehicle startup, the measurement result of the vehicle battery voltage, the necessity of the vehicle driving assistance function, the event sensing result of the event sensing unit 120, and so on.

[0055] Here, the recording mode of the control system 1000 of the event sensing module can include a driving recording mode and a parking recording mode. Here, the driving recording mode may be a recording mode when the vehicle engine is running, and the parking recording mode may be a recording mode when the vehicle engine is stopped.

[0056] In addition, the driving recording mode can include a constant recording mode, an event recording mode, and a manual recording mode.

[0057] The continuous recording mode is a mode that is executed when the vehicle engine is started and driving begins, and can be maintained while the vehicle is in continuous driving. In the continuous recording mode, the control system 1000 of the event sensing module can record in a predetermined time unit (for example, 1 to 5 minutes). In the present invention, the continuous recording mode and the continuous mode can be used interchangeably.

[0058] The event recording mode may mean a mode that is activated when an impact event is sensed by the event sensing unit 120 or an ADAS (Advanced Driving Assistance System) event is sensed during vehicle driving. In the event recording mode, the control system 1000 of the event sensing module can record for a period of time from a predetermined time before the event occurs to a predetermined time after the event occurs (for example, recording from 10 seconds before to 10 seconds after the event occurs).

[0059] The manual recording mode may mean a mode that is activated when the user manually inputs a recording during vehicle driving. In the manual recording mode, the control system 1000 of the event sensing module can record for a period of time from a predetermined time before the user's manual recording request occurs to a predetermined time after the request occurs (for example, recording from 10 seconds before to 10 seconds after the event occurs).

[0060] The parking recording mode may mean a mode that is activated in a parked state when the vehicle engine stops or the battery supply for vehicle driving is interrupted. In the parking recording mode, the control system 1000 of the event sensing module can record when an event is sensed by the event sensing unit 120 during parking. As an example, the control unit 220 can control the camera 100 to record a predetermined section from a predetermined time before the impact event occurs and / or the event of sensing an object approaching the vehicle to a predetermined time after the event occurs (for example, recording from 10 seconds before to 10 seconds after the event occurs).

[0061] In addition, the control unit 220 can control the power supply of the power supply unit 240 according to the recording mode of the control system 1000 of the event sensing module.

[0062] In particular, the control unit 220 can control the power supply of the power supply unit 240 so that the current consumption of the control system 1000 of the event sensing module is minimized in the parking recording mode. As an example, the control unit 220 can control the power supply unit 240 so that the power supply to the imaging unit 110 is turned off and the power supply to the event sensing unit 120 is turned on in the parking recording mode.

[0063] The main body connector 230 can perform an interface function between the main body 200 and the camera 100, such as supplying power to the camera 100 and performing data communication.

[0064] The power supply unit 240 receives power supply from the battery of the vehicle in which the control system 1000 of the event sensing module is installed, and can supply power for the operation of the system 100 to the control system 1000 of the event sensing module according to the control of the control unit 220.

[0065] Here, the battery that supplies power to the power supply unit 240 can include at least one of the main battery for the vehicle and the auxiliary battery for the vehicle in which the control system 1000 of the event sensing module is installed.

[0066] The main battery for the vehicle is a device that supplies power necessary for starting all the electronic devices in the vehicle, and generally, it can start the engine of the vehicle, maintain the electrical system in the vehicle, and provide the power required during driving.

[0067] The auxiliary battery for the vehicle may be a device that supplies power separately from the main battery for the vehicle so that the control system 1000 of the event sensing module continues to operate when the engine of the vehicle is stopped.

[0068] On the one hand, the camera connector 130 and the main body connector 230 can be connected to each other via a cable that connects them. The camera connector 131 and the main body connector 230 can be connected to each other via a coaxial cable. However, it is not limited to this. The signal (power signal and data signal) lines of the imaging unit 110 that captures images and the signal (power signal and data signal) lines of the event sensing unit 120 that senses events in the parking recording mode are configured separately from each other, and the control unit 220 can control each line separately. In the present invention, an embodiment in which the camera connector 130 and the main body connector 230 are connected via a coaxial cable will be described in detail.

[0069] In an exemplary embodiment, the control unit 220 can analyze, in the parking recording mode, the video captured by the imaging unit 110 by the parking environment analysis unit 150, and control, according to the parking environment of the vehicle, whether to turn on or off the power supplies of the imaging unit 110 and the event sensing unit 120.

[0070] Specifically, the parking environment analysis unit 150 can be controlled by the control unit 220 to analyze whether there is an object adjacent to the front or rear of the vehicle. Here, the parking environment analysis unit 150 may be configured such that the power is always on in the parking recording mode, but the concept of the present invention is not necessarily limited to this. That is, the parking environment analysis unit 150 may be configured to be controlled to turn off the power when the analysis of the moving image or image captured by the imaging unit 110 in the parking recording mode is completed. Subsequently, when an event is sensed by the event sensing unit 120, the power may be temporarily turned on, and then, when the analysis of the sensed event is completed, the power may be controlled to turn off again.

[0071] In one embodiment, the parking environment analysis unit 150 can be controlled to further analyze the distance between the vehicle and an object adjacent to the front or rear of the vehicle.

[0072] The main body 200 may further include a sensing period adjustment unit 250 for adjusting the sensing period of the event sensing unit 120. The control unit 220 can control the sensing period adjustment unit 250 to adjust at least one of the signal frequency modulation time (Chirp Time), the standby time (Idle Time), and the number of signal frequencies (Number of Chirp) of the event sensing unit 120 according to the distance between the vehicle and an object adjacent to the front or rear of the vehicle.

[0073] In one embodiment, the control unit 220 can control to shorten the signal frequency modulation time (Chirp Time) of the event sensing unit 120, or to lengthen the signal frequency standby time (Idle Time) of the event sensing unit 120, or to decrease the number of signal frequencies (Number of Chirp) of the event sensing unit 120 as the distance between the vehicle and an object adjacent to the front or rear of the vehicle increases.

[0074] Conversely, the control unit 220 can control to lengthen the signal frequency modulation time (Chirp Time) of the event sensing unit 120, or to shorten the signal frequency standby time (Idle Time) of the event sensing unit 120, or to increase the number of signal frequencies (Number of Chirp) of the event sensing unit 120 as the distance between the vehicle and an object adjacent to the front or rear of the vehicle decreases.

[0075] On the other hand, the main body 200 can further include an output adjustment unit 260 for adjusting the output of the event sensing unit 120. The control unit 220 can control the output adjustment unit 260 to increase or decrease the output intensity of the event sensing unit 120 according to the distance between the vehicle and an object adjacent to the front or rear of the vehicle.

[0076] In one embodiment, the control unit 200 can control the output adjustment unit 260 to decrease the output intensity of the event detection unit 120 as the distance between the vehicle and an object adjacent to the front or rear of the vehicle decreases.

[0077] Conversely, the control unit 200 can control the output adjustment unit 260 to increase the output intensity of the event detection unit 120 as the distance between the vehicle and an object adjacent to the front or rear of the vehicle increases.

[0078] In another embodiment, the parking environment analysis unit 150 can be controlled to further analyze whether an object adjacent to the front or rear of the vehicle is a fixed structure.

[0079] FIG. 2 is a block diagram specifically showing a control system of an event detection module according to another embodiment of the present invention.

[0080] FIG. 2 is a block diagram specifically showing a control system of an event detection module according to another embodiment of the present invention. Referring to FIG. 2, a plurality of cameras 100-1, 100-2,... 100-n may be realized to be connected to the main body 200. Here, each of the plurality of cameras 100-1, 100-2,... 100-n may include all or part of a front camera, a rear camera for photographing the rear, a side camera for photographing the left and right sides, a camera for photographing the face of the vehicle driver, and a camera for photographing the interior of the vehicle. The videos captured by each imaging unit 110 can be transferred to the main body 200. The events detected by each event detection unit 120 can be transferred to the main body 200. Here, the plurality of cameras 100-1, 100-2,... 100-n and the main body 200 can communicate in a serial transfer method. Hereinafter, for convenience of explanation, a case where the first camera is a front camera and the second camera is a rear camera will be described as an example.

[0081] In an exemplary embodiment, the camera 100 can be composed of a first camera 100-1 for capturing a front view of the vehicle and a second camera 100-2 for capturing a rear view of the vehicle, and the first camera 100-1 and the second camera 100-2 can be independently controlled according to the parking environment of the vehicle.

[0082] In one embodiment, when there is a fixed structure adjacent to the front of the vehicle, the control unit 220 can control to turn off the power supply to the imaging unit and the event sensing unit of the first camera 100-1, and when there is a fixed structure adjacent to the rear of the vehicle, the control unit 220 can control to turn off the power supply to the imaging unit and the event sensing unit of the second camera 100-2.

[0083] In another embodiment, when there is a fixed structure adjacent to the front of the vehicle, the control unit 220 can control to periodically turn on the power supply to the imaging unit and the event sensing unit of the first camera 100-1 at a preset time interval, and when there is a fixed structure adjacent to the rear of the vehicle, the control unit 220 can control to periodically turn on the power supply to the imaging unit and the event sensing unit of the second camera 100-2 at a preset time interval.

[0084] FIG. 3 is a block diagram showing in detail a control system of an event sensing module according to an embodiment of the present invention.

[0085] Referring to FIG. 3, the photographing unit 110 may include a lens unit 111, an image sensor 112, a serializer 114, etc. The lens unit 111 can perform the function of condensing an optical signal, and the optical signal transmitted through the lens unit 111 reaches the imaging area of the image sensor 112 to form an optical image. Here, as the image sensor 112, a CCD (Charge Coupled Device), a CIS (Complementary Metal Oxide Semiconductor Image Sensor), a high-speed image sensor, or the like that converts an optical signal into an electrical signal can be used.

[0086] The image sensor 112 may include an Image Signal Processor (ISP) that processes the raw data collected from the image sensor. The image signal processing unit can perform functions such as noise removal, white balance adjustment, gamma correction, color filter correction, and tone mapping.

[0087] The serializer 114 performs the function of converting a plurality of parallel data into one serial data. The serializer 114 can transfer the converted data to the deserializer 211 of the image processing unit 210 of the main body 200 via the first camera connector 131 of the camera connector 130, the first main body connector 231 of the main body connector 230, and a cable connecting them.

[0088] Although not shown, the imaging unit 110 can further include a POC (Power Over Coax) Filter, and when simultaneously transmitting power and data signals via a single coaxial cable, the imaging unit 110 can perform a function of separating them so that the power supply and data signals are not mixed. That is, when supplying power to the imaging unit 110 via a coaxial cable and transferring a video signal, the power signal and data signal may interfere with each other, but the POC filter can prevent this.

[0089] Also, the imaging unit 110 can include a PMIC (Power Management IC), and the PMIC may be a power management integrated circuit that efficiently supplies and manages power to the imaging unit 110.

[0090] Also, the imaging unit 110 can further include an indicator 118, and the indicator 118 may mean an LED display lamp or a notification device that visually informs the user of the state and operation status of the control system 1000 of the event sensing module described later. As an example, the indicator 118 can provide information such as whether the control system 1000 of the event sensing module is operating normally, whether recording is being done well, or whether an error has occurred, and can help the user easily grasp the state of the control system 1000 of the event sensing module. The indicator 118 can provide notification information to the user via various hues and blinking patterns.

[0091] The event sensing unit 120 can include an event sensing module 121 and a DC-DC converter 122.

[0092] The event sensing module 121 can include a shock event sensing module and a motion event sensing module. The shock event sensing module can be realized as a G-Sensor for sensing shock and acceleration, and the motion event sensing module can be realized as a radar sensor.

[0093] The event sensing unit 120 can further include a voltage / current control unit (not shown). The voltage / current control unit may be configured to adjust the magnitude or intensity of the voltage or current of the power signal transferred sequentially via the POC filter, the DC / DC converter 122, and the event sensing module 121. The power signal having a voltage or current whose magnitude or intensity is adjusted by the voltage / current control unit can be merged into the data transfer signal of the serializer 114 and transmitted to the main body 200. In an exemplary embodiment, the voltage / current control unit can be controlled to adjust the normal voltage and / or normal current in the parking recording mode based on an interrupt signal generated from at least one of the impact event sensing sensor and the motion event sensing sensor.

[0094] Here, the main body 200 can further include a voltage / current sensing unit (not shown) that senses voltage changes and / or current changes of the camera 100. When a voltage change is sensed by the voltage / current sensing unit, the control unit 220 can control to turn on the power supply to the imaging unit 110 and the image processing unit 210, respectively.

[0095] The main body 200 can further include a deserializer 211 and an image processing unit 210.

[0096] The deserializer 211 can perform a function of converting the serialized data back into the original parallel data and restoring the data to its original form.

[0097] In an exemplary embodiment, the voltage / current sensing unit can be provided to sense the voltage before the signal line received from the first main body connector 231 is transmitted to the deserializer 211, whereby the voltage in a state where the signal line is not adjusted or processed by other components can be accurately sensed.

[0098] In contrast, the voltage / current sensing unit can be provided to sense the voltage before the signal line received from the first main body connector 231 is transmitted to the parallel converter 211, so that the voltage in a state where the signal line is not adjusted or processed by other configurations can be accurately sensed.

[0099] The image processing unit 210 is a processor that processes and analyzes images, and can further process the basic video data processed by the image signal processing unit (ISP) by more complex operations. As an example, the image processing unit 210 can perform image recognition based on AI, object tracking, etc.

[0100] For example, the image processing unit 210 can analyze the captured video of the imaging unit 110 and determine whether the above-described advanced driving assistance system (ADAS) is necessary.

[0101] On the other hand, according to the present invention, the signal (power signal and data signal) lines of the imaging unit 110 that captures images and the signal (power signal and data signal) lines of the event sensing unit 120 that senses events in the parking recording mode can be merged as an integrated configuration, and the control unit 220 can merge and control the signal lines of the imaging unit 110 and the signal lines of the event sensing unit 120 into an integrated line.

[0102] The main body 200 can further include a filter 242 that performs a function of separating the power supply and data signals included in the integrated signal line so that they do not mix before transmitting the integrated signal line transmitted from the first main body connector 231 included in the main body connector 230 to the parallel converter 211. That is, when receiving a power signal and a video signal from the imaging unit 110 via the coaxial cable, the power signal and the data signal may interfere with each other, but the filter 242 can prevent this.

[0103] On the one hand, the power supply unit 240 of the main body 200 can include a power line supply unit 241, and the power line supply unit 241 can supply power for the operations of the imaging unit 110, the image processing unit 210, and the filter 242.

[0104] That is, the power supply on / off of the power line supply unit 241 can be controlled by the control unit 220.

[0105] On the other hand, the camera connector 130 is formed on the camera 100 side and can include a first camera connector 131 that interfaces the data communication between the imaging unit 110 and the image processing unit 210 and interfaces the power supply between the imaging unit 110 and the power line supply unit 241.

[0106] Also, the main body connector 230 is formed on the main body 200 side and can include a first main body connector 231 that interfaces the data communication between the imaging unit 110 and the image processing unit 210 and interfaces the power supply between the imaging unit 110 and the power line supply unit 241.

[0107] For the "Conn." of the first camera connector 131 and the first main body connector 231, a one-pin FAKRA to which the POC (Power Over Coax) method is applied can be used, whereby a data signal and a power signal can be transmitted and received between the first camera connector 131 and the first main body connector 231.

[0108] On the other hand, the camera connector 130 and the main body connector 230 can be connected to each other via an integrated cable that connects them.

[0109] On the one hand, the control unit 220 can control the overall operation of the control system 1000 of the event sensing module. Specifically, the control unit 220 can set the recording mode of the control system 1000 of the event sensing module based on, for example, the presence or absence of vehicle start, the vehicle battery voltage measurement result, the necessity of vehicle driving assistance functions, and the sensing result of the event sensing unit 120. Here, the recording mode of the control system 1000 of the event sensing module can include a driving recording mode and a parking recording mode.

[0110] In addition, the control unit 220 can control the power supply of the power supply unit 240 according to the recording mode of the control system 1000 of the event sensing module. Specifically, the control unit 220 can control the power supply of the power supply unit 240 so that the current consumption of the control system 1000 of the event sensing module is minimized in the parking recording mode. That is, the control unit 220 can minimize the battery consumption of the vehicle by operating the control system 1000 of the event sensing module in a low power mode in the parking recording mode. The operation of such a control unit 220 will be described later with reference to FIGS. 4 to 6.

[0111] FIGS. 4 to 6 are diagrams for explaining a control scenario of an event sensing module according to an exemplary embodiment of the present invention.

[0112] FIG. 4 illustrates a case where a fixed structure exists behind the vehicle and a plurality of other vehicles exist in front of the vehicle.

[0113] Referring to FIG. 4, the first camera 100-1 of the vehicle can capture a front video, and the second camera 100-2 of the vehicle can capture a rear video.

[0114] Here, the parking environment analysis unit 150 of the camera 100 included in the vehicle can analyze the front video to analyze that there are a plurality of other vehicles in front of the vehicle, and at the same time, analyze the rear video to analyze that there is a wall 200, which is a fixed structure, behind the vehicle.

[0115] In an exemplary embodiment, the parking environment analysis unit 150 can collect data in real time through various sensors installed behind the vehicle, and the sensors can include ultrasonic sensors, radar sensors, or depth recognition sensors based on cameras. The sensors can be controlled to sense the distance and size information of an object behind the vehicle.

[0116] In one embodiment, the parking environment analysis unit 150 can analyze the collected sensor data to confirm the presence or absence of an object behind the vehicle. For this purpose, it can be controlled to calculate the distance between the sensed object and the vehicle. The distance information can be used to grasp how close the object is to the vehicle and can be divided, for example, into 1m, 2m, 3m, etc. Here, if the sensed object is determined to be fixed within a predetermined distance and not moving, additional analysis can be performed, and the object with the fixed position can be discriminated as an immovable obstacle such as a wall or a structure in the parking environment.

[0117] The parking environment analysis unit 150 can also analyze not only the distance of the object but also the characteristics and movement of the object.

[0118] For example, the parking environment analysis unit 150 can further confirm whether the sensed object maintains a fixed state without moving for a predetermined time, thereby distinguishing between a fixed structure such as a wall and a moving person or vehicle.

[0119] In addition, since fixed structures such as walls generally have a large surface area and a specific form, the parking environment analysis unit 150 can evaluate the size and form of an object based on the collected data and determine that it is a fixed structure.

[0120] In addition, the parking environment analysis unit 150 can collect continuous distance data at predetermined time intervals and confirm whether an object is stationary without moving and remains in the same position. If there is no change in distance and the size and form of the object match those of a wall, it can be determined as a fixed structure.

[0121] When the discrimination of adjacent objects is completed, the parking environment analysis unit 150 can transmit the analysis result to the control unit 220, and the control unit 220 can adjust the operations of the imaging unit 110 and the event sensing unit 120 when a fixed structure is detected. In an exemplary embodiment, when there is a wall 10 that is a structure fixed to the rear, the power supply of the imaging unit and the event sensing unit of the second camera 100-2 can be turned off or set to be periodically turned on to reduce power consumption. In contrast, when a moving object rather than a fixed structure is detected, the control unit 220 can set the power supply of the imaging unit and the event sensing unit of the second camera 100-2 to be turned on to monitor it.

[0122] FIG. 5 is a diagram for explaining the signal frequency control mechanism of the event sensing unit 120.

[0123] Referring to both FIGS. 4 and 5, when an object in front of the vehicle approaches or moves away, the event sensing unit 120 can perform a frequency signal control mechanism for efficient management of the sensing signal and reduction of power consumption. As shown in FIG. 5, the signal frequency of the event sensing unit 120 can be composed of a chirp time, an idle time, and a number of chirps.

[0124] The modulation time (Chirp Time) means the time interval during which the event sensing unit 120 transmits a frequency-modulated signal. When the modulation time becomes longer, the signal is transmitted for a longer time, the sensing range expands, and more information can be collected, but the power consumption increases. On the other hand, when the modulation time becomes shorter, the transmitted signal ends more quickly, the power consumption decreases, but the sensing range may shrink. When an object approaches the vehicle, in order to achieve rapid and accurate sensing, the modulation time is set long, the resolution of the sensing ability performed by the event sensing unit 120 is increased, and high-quality resolution and resolving power can be provided at important moments. On the contrary, when the object moves away, the modulation time is set short to save energy, and only the necessary resolution can be maintained.

[0125] The idle time is the time when the event sensing unit 120 enters the atmospheric state after the Chirp signal of the frequency is transmitted, and the idle time is used to reduce power consumption. When the idle time becomes longer, the event sensing unit 120 maintains the inactive state for a longer time to save energy, but the sensing speed may become slower. When the idle time becomes shorter, the signal is transmitted more frequently and the sensing responsiveness is improved, but the power consumption of the event sensing unit 120 may increase.

[0126] The number of Chirp signals means the number of Chirp signals transmitted by the event sensing unit 120 within the Frame Time. When the number of Chirp signals, that is, the number of Chirp signals, is increased, the sensing accuracy is improved, and the sensing quality of the event sensing unit 120 is also improved. The more signals are transmitted, the more detailed information can be collected, and it becomes possible to provide higher resolution and resolving power, but the power consumption increases accordingly. On the contrary, when the number of Chirp signals, that is, the number of Chirp signals, is reduced, the power consumption can be reduced, but the sensing resolution may decrease.

[0127] FIG. 6 is a diagram for explaining the output intensity control mechanism of the event sensing unit 120. FIG. 6(a) is a diagram for explaining the sensing by dividing the front of the vehicle in units of meters (m), and FIG. 6(b) is a diagram for explaining the output intensity control mechanism of the event sensing unit 120.

[0128] Referring to FIGS. 6(a) and 6(b), when an object exists around the vehicle, the event sensing unit 120 can sense its distance and position, and based on the sensed information, dynamically adjust the output intensity.

[0129] Specifically, when the distance between the vehicle and the object approaches, considering both the accuracy of sensing and energy efficiency at the same time, the output intensity of the event sensing unit 120 can be decreased. When the object moves away, the output intensity of the event sensing unit 120 can be increased to expand the sensing range.

[0130] For example, when the distance between the vehicle and the object is far (e.g., more than 3 m), the event sensing unit is set to a high output intensity P0, and the sensing range can be maintained as wide as possible, so that objects at a far distance can also be effectively sensed. In contrast, as the distance between the vehicle and the object approaches (e.g., within 1 m to 2 m), the output intensity decreases to P1, and energy can be saved. The above output intensity setting is to prevent wasteful current consumption by using only the minimum power required to sense an object at a short distance.

[0131] The event sensing unit 120 controls the output intensity based on the distance of the object in front of the vehicle. When the object is at a preset distance from the vehicle, for example, more than 3 m away, the output intensity is set to P0 to maximize the sensing range. P0 is a high output intensity, which provides a wide sensing area around the vehicle and enables effective monitoring even when the object is far away.

[0132] When the object approaches the vehicle within the preset distance, for example, within 3 m, the system reduces the output intensity to P1 to save energy. Here, P1 is a low output intensity, and by reducing the sensing range, the power consumption of the event sensing unit can be decreased. Here, although the sensing range of the event sensing unit 120 decreases, when the object is already located nearby and higher-resolution sensing is not required, it can be a suitable energy-saving method. Thus, by reducing the output intensity, unnecessary power consumption during vehicle parking can be prevented, and the life of the vehicle battery can be extended.

[0133] Next, when the object moves further away from the preset distance, for example, a distance of 3 m or more, the event sensing unit 120 increases the output intensity to P0 to return to the basic sensing range. Thereby, a wide sensing area is reset, and the situation around the vehicle can be monitored accurately and quickly again.

[0134] FIG. 7 is a flowchart showing in detail a control method of an event sensing module according to an embodiment of the present invention.

[0135] Referring to FIG. 7, a control method of an event sensing module according to an exemplary embodiment of the present invention includes a step (S1) in which entry into the parking mode of the vehicle starts, a step (S2) of controlling to turn off the power supply to the imaging unit of the vehicle and turn on the power supply to the event sensing unit of the vehicle, a step (S3) of analyzing the parking environment of the vehicle, a step (S4) of determining whether it is necessary to change the setting of the event sensing unit, and a step (S5) of changing the setting of the event sensing unit.

[0136] The parking environment analysis step (S3) can be performed by analyzing whether there is an object adjacent to the front or rear of the vehicle and the distance between the vehicle and the adjacent object. The event sensing unit setting change step (S5) can be performed by turning off the power supply to the event sensing unit 120 or adjusting the signal frequency and / or output intensity of the event sensing unit 120.

[0137] In the parking environment analysis step (S3), when it is analyzed that the adjacent object is a fixed structure, the setting change step (S5) of the event detection unit can be performed by turning off the power supply of the event detection unit 120 or periodically turning on the power supply of the event detection unit 120 at a preset time interval.

[0138] In the parking environment analysis step (S3), when it is analyzed that the adjacent object approaches the vehicle, the setting change step (S5) of the event detection unit can be controlled to reduce the output intensity of the event detection unit 120. In the parking environment analysis step (S3), when it is analyzed that the adjacent object moves away from the vehicle, the setting change step (S5) of the event detection unit can be controlled to increase the output intensity of the event detection unit 120.

[0139] In the parking environment analysis step (S3), when it is analyzed that the adjacent object moves away from the vehicle, the setting change step (S5) of the event detection unit can be controlled to shorten the signal frequency modulation time (Chirp Time) of the event detection unit, or to increase the standby time (Idle Time), or to decrease the number of signal frequencies (Number of Chirp). In the parking environment analysis step (S3), when it is analyzed that the adjacent object approaches the vehicle, the setting change step (S5) of the event detection unit can be controlled to lengthen the signal frequency modulation time (Chirp Time) of the event detection unit, or to shorten the standby time (Idle Time), or to increase the number of signal frequencies (Number of Chirp).

[0140] In one embodiment, the adjustment process of the output intensity of the event sensing unit 120 and the adjustment process of the signal frequency performed in the setting change step (S5) of the event sensing unit can be performed simultaneously and independently. That is, when an object adjacent to the front of the vehicle approaches within the preset distance, the output intensity of the event sensing unit 120 can be controlled to decrease. At the same time, the signal frequency modulation time (Chirp Time) of the event sensing unit 120 can be set longer, the standby time (Idle Time) can be set shorter, or the number of signal frequencies (Number of Chirp) can be controlled to increase. Thereby, the sensing range of the event sensing unit 120 is reduced, but the event sensing sensitivity can be set to increase. On the other hand, when the signal frequency of the event sensing unit 120 is adjusted, the imaging unit 110 and the image processing unit 210 can be woken up by the control unit 220, and the signal frequency of the imaging unit 110 can also be adjusted together with the signal frequency adjustment of the event sensing unit 120. That is, when the signal frequency modulation time (Chirp Time) of the event sensing unit 120 is set longer, the standby time (Idle Time) is set shorter, or the number of signal frequencies (Number of Chirp) is controlled to increase, the signal frequency modulation time (Chirp Time) of the imaging unit 110 can also be set longer, the standby time (Idle Time) can also be set shorter, or the number of signal frequencies (Number of Chirp) can also be controlled to increase. Thereby, a sensing process with improved sensing resolution, that is, improved resolution and resolving power, can be performed by the event sensing unit 120.

[0141] On the other hand, the parking environment analysis step (S3) can be performed by further analyzing whether a manual operation of the vehicle is being performed. When it is determined that the vehicle is driven by a manual operation (S4), the control unit 220 can change the setting of the event sensing unit 120 to the driving mode (S5).

[0142] Also, in the step (S4) of determining whether the settings of the event detection unit need to be changed, if it is determined that there is no object adjacent to the front or rear of the vehicle, the vehicle can be controlled to return to the step (S2) of controlling to turn on the power supply to the event detection unit of the vehicle.

[0143] On the other hand, when the generated event ends, that is, when the adjacent object no longer exists or deviates from a preset distance and moves beyond the detection range, it can be controlled to enter the parking mode again (S6).

[0144] FIG. 8 is a block diagram specifically showing a control system of an event detection module according to another embodiment of the present invention.

[0145] The control system of the event detection module described with reference to FIG. 8 shows that a part of the configuration of the camera 100 is incorporated into the main body 200 and consists of one device.

[0146] Specifically, the control system of the event detection module according to another embodiment of the present invention can be composed of only the main body 200.

[0147] The main body 200 can include a photographing unit 110 and an event detection unit 120. The photographing unit 110 can include a lens unit 111, an image sensor 112, and an image processing unit 210. The event detection unit 120 can include an event sensing module 121 and a control unit 220.

[0148] On the other hand, the power supply unit 240 constituting the control system of the event detection module according to another embodiment of the present invention can be composed of a first power supply unit 241-1 for supplying power to the event detection unit 120 and a second power supply unit 241-2 for supplying power to the photographing unit 110.

[0149] The first power supply unit 241-1 may be configured to always operate and supply power even when the vehicle enters the parking mode, and can be controlled to always operate unless another input is lost. As a result, the event detection unit 120 can be maintained in a state where the power is always on in the parking mode by the first power supply unit 241-1. However, in special cases, for example, when there is a wall 10 which is a structure fixed to the rear area of the vehicle, the event detection unit 120 together with the imaging unit 110 of the second camera 100-2 can also be maintained in a state where the power is off.

[0150] The second power supply unit 241-2 may be configured to stop operating and not supply power when the vehicle enters the parking mode, and thus can be controlled such that the power supplied to the imaging unit 110 in the parking mode is cut off.

[0151] As described above, the control system and method of the event detection module in the parking recording mode according to the exemplary embodiment of the present invention can prevent wasteful power consumption by analyzing the parking environment of the vehicle and controlling the power supply to the imaging unit and the event detection unit, thereby extending the battery life of the vehicle and enabling stable parking monitoring for a long time.

[0152] In addition, the present invention can minimize the current consumption by appropriately turning on / off the power of the imaging unit and the event detection unit or adjusting the output and detection period according to the parking environment of the vehicle, thereby reducing the battery consumption of the vehicle and maintaining the parking monitoring function for a longer time.

[0153] In addition, according to the present invention, the parking environment analysis unit can analyze the presence or absence, distance, and movement of objects adjacent to the front and rear of the vehicle, and automatically adjust the optimal sensing settings. In particular, in a wasteful monitoring situation such as fixed structures adjacent to the front and rear of the vehicle, the power of the event sensing unit can be turned off or periodically turned on to save power. When an adjacent object approaches or moves away from the vehicle, the sensing settings can be dynamically changed to enable efficient monitoring.

[0154] Further, according to the present invention, by adjusting the signal frequency modulation time (Chirp Time), standby time (Idle Time), and number of signal frequencies (Number of Chirp) of the event sensing unit according to the distance between the vehicle and the object, when the object approaches, high resolution and sensing accuracy can be provided, and when the object moves away, it can be switched to low resolution to save power. Such optimized operation can maintain the monitoring performance and provide the effect of reducing power consumption.

[0155] Also, according to the present invention, by adjusting the output intensity of the event sensing unit according to the distance between the vehicle and the object, the output intensity is decreased when the object approaches, and the output intensity is increased when the object moves away, so that the sensing performance can be efficiently maintained. As a result, wasteful current consumption can be reduced, and the power efficiency of the entire system can be improved.

[0156] However, the concept of the present invention is not necessarily limited thereto, and the device / method / system according to the exemplary embodiments of the present invention can be applied to various product / technical fields other than the above-mentioned product / technical fields.

[0157] As described above, various embodiments of the present invention have been described in detail. However, those having ordinary knowledge in the technical field to which the present invention pertains understand that various modifications can be made to the above-described embodiments without departing from the scope of the present invention. Therefore, the scope of the rights of the present invention should not be defined by being limited to the above-described embodiments, but should be defined by not only the scope of the following claims but also those equivalent to the scope of the present claims.

Claims

1. A control system for an event detection module, a camera including a photographing unit for photographing an image, an event detecting unit for detecting an event, a parking environment analyzing unit for analyzing a parking environment, and a camera connector for interfacing with a main body; an image processing unit that receives and processes an image captured by the image capturing unit; a power supply unit that supplies power for an operation of a control system of the event detection module; a control unit that controls an operation of the power supply unit; and a main body that includes a main body connector for interfacing with the camera; The control unit, in a parking recording mode, The control system for an event detection module in a parking recording mode for reducing current consumption is characterized in that the parking environment analysis unit analyzes the image captured by the image capture unit and controls the power of the image capture unit and the event detection unit to be turned on or off depending on the parking environment of the vehicle.

2. The camera includes a first camera for capturing a front image of the vehicle and a second camera for capturing a rear image of the vehicle, 2. The control system of an event detection module in a parking recording mode for reducing current consumption according to claim 1, wherein the first camera and the second camera are independently controlled according to a parking environment of the vehicle.

3. 3. The control system of an event detection module in a parking recording mode for reducing current consumption according to claim 2, wherein the parking environment analysis unit is controlled to analyze whether there is an object adjacent to the front or rear of the vehicle.

4. 4. The control system of an event detection module in a parking recording mode for reducing current consumption according to claim 3, wherein the parking environment analysis unit is controlled to further analyze a distance between the vehicle and an object adjacent thereto in front of or behind the vehicle.

5. The main body further includes a sensing cycle adjustment unit for adjusting a sensing cycle of the event detection unit, 5. The control system of claim 4, wherein the control unit controls the detection period adjustment unit to adjust at least one of a signal frequency modulation time, an idle time, and a number of signal frequencies of the event detection unit according to a distance between the vehicle and an object adjacent to the vehicle in front of or behind the vehicle.

6. 6. The control system of claim 5, wherein the control unit controls to set the signal frequency modulation time (chirp time) shorter, set the idle time (idle time) longer, or reduce the number of signal frequencies (number of chirps) as the distance between the vehicle and an adjacent object in front of or behind the vehicle increases.

7. 6. The control system of claim 5, wherein the control unit controls to set the signal frequency modulation time (chirp time) longer, set the idle time (idle time) shorter, or increase the number of signal frequencies (number of chirps) as the distance between the vehicle and an adjacent object in front of or behind the vehicle becomes closer.

8. The main body further includes an output adjustment unit for adjusting an output of the event detection unit, 5. The control system of claim 4, wherein the control unit controls the output adjustment unit to increase or decrease an output intensity of the event detection unit according to a distance between the vehicle and an object adjacent to the vehicle in front of or behind the vehicle.

9. 9. The control system of claim 8, wherein the control unit controls the output adjustment unit to reduce an output intensity of the event detection unit as a distance between the vehicle and an adjacent object in front of or behind the vehicle becomes closer.

10. 9. The control system of claim 8, wherein the control unit controls the output adjustment unit to increase an output intensity of the event detection unit as the distance between the vehicle and an adjacent object in front of or behind the vehicle increases.

11. 4. The control system of an event detection module in a parking recording mode for reducing current consumption according to claim 3, wherein the parking environment analysis unit is controlled to further analyze whether an object adjacent to the front or rear of the vehicle is a fixed structure.

12. The control unit is When a fixed structure is present adjacent to the front of the vehicle, the power supply to the photographing unit and the event sensing unit of the first camera is controlled to be turned off, 4. The control system of claim 3, wherein the power supply to the photographing unit and the event detection unit of the second camera is controlled to be turned off when there is an adjacent fixed structure behind the vehicle.

13. The control unit is When a fixed structure is present adjacent to the front of the vehicle, the power supply to the photographing unit and the event sensing unit of the first camera is controlled to be periodically turned on at a preset time interval, 13. The control system of an event detection module in a parking recording mode for reducing current consumption as claimed in claim 12, wherein, when there is an adjacent fixed structure behind the vehicle, the power supply to the photographing unit and the event detection unit of the second camera is controlled to be turned on periodically at a preset time interval.

14. A step in which the vehicle starts entering a parking mode; controlling the power supply to an image capture unit of the vehicle to be turned off and the power supply to an event detection unit of the vehicle to be turned on; Analysing a parking environment for the vehicle; determining whether a setting change of the event detector is required; changing a setting of the event detector; The step of analyzing the parking environment is performed by analyzing whether there is an adjacent object in front of or behind the vehicle and a distance between the vehicle and the adjacent object; The method for controlling an event detection module in a parking recording mode for reducing current consumption, wherein the step of changing the setting of the event detection unit is performed by turning off a power supply to the event detection unit or adjusting a signal frequency and an output strength of the event detection unit.

15. 15. The method of claim 14, wherein when the parking environment analyzing step determines that the adjacent object is a fixed structure, the setting change step of the event detector is performed by turning off a power supply to the event detector or periodically turning on a power supply to the event detector at a preset time interval.

16. When it is determined that the adjacent object approaches the vehicle in the step of analyzing the parking environment, the step of changing the setting of the event detector is controlled to reduce an output intensity of the event detector; 16. The method of claim 15, wherein when the parking environment analyzing step determines that the adjacent object is moving away from the vehicle, the setting change step of the event detector is controlled to increase an output intensity of the event detector.

17. When it is determined in the parking environment analyzing step that the adjacent object is moving away from the vehicle, the setting change step of the event detector is controlled to shorten a signal frequency modulation time (chirp time) of the event detector, lengthen an idle time (idle time), or reduce a number of the signal frequencies (number of chirps); 17. The method of claim 16, wherein when it is analyzed that the adjacent object is approaching the vehicle in the analyzing the parking environment, the changing of the setting of the event detector is controlled to lengthen a signal frequency modulation time (chirp time) of the event detector, shorten the idle time, or increase the number of the signal frequencies (number of chirps).

18. 20. The method of claim 17, wherein the process of adjusting the output intensity of the event detector and the process of adjusting the signal frequency of the event detector are performed simultaneously and independently in the step of changing the setting of the event detector.

19. A computer-readable recording medium having a program recorded thereon for executing the method for controlling an event sensing module according to any one of claims 14 to 18.

20. A computer program stored on a computer-readable recording medium, the computer program comprising a program code for executing the method for controlling an event sensing module according to any one of claims 14 to 18.

Images