Vehicle door control sensor and vehicle

Abstract

The embodiment of the utility model discloses a vehicle door control sensor and a vehicle. The vehicle door control sensor comprises a main control module, a Bluetooth module, a projection module and a sensing module. Wherein the main control module is connected with the projection module, the sensing module, the Bluetooth module and a vehicle door controller of a vehicle; the Bluetooth module is used for sending an awakening signal to the main control module to awaken the main control module to enter a working state when it is detected that Bluetooth connection with paired mobile equipment is established and the distance between the Bluetooth module and the paired mobile equipment is not greater than a calibrated distance; when it is detected that the distance between the mobile equipment and the paired mobile equipment is larger than the calibration distance, a dormancy signal is sent to the main control module; the main control module is used for respectively awakening the projection module and the sensing module to enter a working state after being awakened; and after the sleep signal is received, the projection module and the sensing module are respectively controlled to enter a power-off state and then enter a sleep state. According to the embodiment, the use power consumption of the vehicle door control sensor can be reduced.

Description

Technical Field

[0001] The present disclosure relates to the technical field of vehicle control, and in particular to a door control sensor and a vehicle. Background Art

[0002] With the application of automotive intelligent technology and the development of industrial intelligence, automobiles are becoming more and more intelligent, comfortable and convenient. At present, the tailgate kick sensor allows users to open the tailgate conveniently.

[0003] The car tailgate kick sensor is a smart tailgate trunk induction switch product, which can use capacitive sensors, ultrasonic sensors, infrared sensors, lidar sensors, etc. The car tailgate kick sensor using capacitive sensors has low power consumption, is connected to normal power when used in the vehicle, and is always in working state. Even after locking the car, the car tailgate kick sensor is still in working state. When a kick signal is detected, it will notify the door controller to open the tailgate. However, because the car tailgate kick sensor has no target indication, the user cannot know the kick position, resulting in low usage rate. Therefore, by adding a projection device to the car tailgate kick sensor, the user is prompted to kick or step on the position. In order to project a clear indicator light spot, the projection light source in the projection device has a certain brightness, which greatly increases the power consumption of the car tailgate kick sensor. If the car tailgate kick sensor is always in working state, it does not meet the static current requirements for the controller sleep when the whole vehicle is dormant.

[0004] However, the tailgate kick sensor may not be able to receive the signal from the whole vehicle, so that the tailgate kick sensor is still in working state when the whole vehicle is in sleep state. Alternatively, because the whole vehicle is in driving state, it does not receive the sleep command of the whole vehicle and continues to be in working state while driving. The sleep logic cannot be performed, causing the tailgate kick sensor to be in working state continuously, generating large power consumption, which limits the application of the kick sensor with projection device. Utility Model Content

[0005] The disclosed embodiments provide a door control sensor and a vehicle, which can add sleep logic to the door control sensor and reduce the power consumption of the door sensor controller.

[0006] In one aspect of an embodiment of the present disclosure, a door control sensor is provided for a vehicle, the door control sensor comprising a main control module, a Bluetooth module, a projection module and a sensor module; wherein the main control module is respectively connected to the projection module, the sensor module, the Bluetooth module and the door controller of the vehicle;

[0007] The Bluetooth module is used to send a wake-up signal to the main control module to wake up the main control module and put it into working state when it detects that a Bluetooth connection is established with a paired mobile device and the distance between the paired mobile device and the paired mobile device is not greater than a calibrated distance; and send a sleep signal to the main control module when it detects that the distance between the paired mobile device and the paired mobile device is greater than the calibrated distance;

[0008] The main control module is used to wake up the projection module and the sensor module respectively after being awakened so that the projection module and the sensor module enter a working state, and send a door opening signal to the door controller when the action signal collected by the sensor module is a preset action, so that the door controller controls the door of the vehicle to open; and after receiving a sleep signal, control the projection module and the sensor module to enter a power-off state and then a sleep state respectively;

[0009] The projection module is used to project an indication light spot after being awakened by the main control module;

[0010] The sensor module is used to collect action signals after being awakened by the main control module.

[0011] In an exemplary embodiment, the Bluetooth module includes a first wake-up interface, the main control module includes a second wake-up interface, and the first wake-up interface is electrically connected to the second wake-up interface;

[0012] The first wake-up interface is used to send a high-level signal to the second wake-up interface to wake up the main control module and put it into working state;

[0013] and / or,

[0014] The first wake-up interface is used to send a low-level signal to the second wake-up interface to enable the main control module to enter a sleep state.

[0015] In an exemplary embodiment, the main control module includes a micro control unit and a projection drive interface connected to each other;

[0016] The micro control unit is respectively connected to the sensor module and the door controller for communication;

[0017] The projection drive interface is electrically connected to the projection module.

[0018] In an exemplary embodiment, the projection module includes a projection drive unit, a projection lamp, and a projection lens connected to each other;

[0019] The projection driving unit is electrically connected to the projection driving interface of the main control module;

[0020] The micro control unit of the main control module is used to send a driving signal to the projection driving unit through the projection driving interface in a working state. After receiving the driving signal, the projection driving unit drives the projection lamp and the projection lens to enter a working state to project the indication light spot.

[0021] In an exemplary embodiment, it further includes a power management module, wherein the power management module is electrically connected to the vehicle power supply;

[0022] The power management module comprises:

[0023] A main control module power supply unit, electrically connected to the main control module;

[0024] A Bluetooth module power supply unit, electrically connected to the Bluetooth module;

[0025] A projection module power supply unit, electrically connected to the projection module;

[0026] The sensor module power supply unit is electrically connected to the sensor module.

[0027] In an exemplary embodiment, the main control module is electrically connected to the projection module power supply unit and the sensor module power supply unit respectively;

[0028] The main control module is used to send an enable shutdown signal to the projection module power supply unit and the sensor module power supply unit respectively after receiving the sleep signal, so that the projection module power supply unit and the sensor module power supply unit stop supplying power.

[0029] One aspect of an embodiment of the present disclosure provides a vehicle, comprising a door control sensor and a door controller as described in any one of the above embodiments, wherein a main control module in the door control sensor is communicatively connected with the door controller.

[0030] In an exemplary embodiment, the vehicle further includes a vehicle power supply electrically connected to a power management module in the door control sensor.

[0031] In an exemplary embodiment, the vehicle further comprises a connector;

[0032] The main control module in the door control sensor is communicatively connected with the door controller via the wiring harness in the connector;

[0033] The power management module in the door control sensor is electrically connected to the power management module through a wiring harness in the connector.

[0034] In an exemplary embodiment, it is characterized in that the door control sensor is arranged on the rear bumper of the vehicle and is used to control the tailgate;

[0035] or,

[0036] The door control sensor is arranged on the periphery of other doors and is used for controlling other doors.

[0037] In the disclosed embodiment, a Bluetooth module is provided in the door control sensor, and the Bluetooth module is connected to the main control module in the door control sensor. When the Bluetooth module detects that a Bluetooth connection is established with a paired mobile device and the distance between the paired mobile device and the paired mobile device is not greater than a calibrated distance, the main control module can be awakened to put it into a working state. The main control module is respectively connected to the projection module and the sensor module. After the main control module is awakened, the projection module and the sensor module can be awakened to put them into a working state to sense the user's action. The main control module can send a door control signal to the door controller to open the vehicle door when the action signal collected by the sensor module is a preset action, that is, When the distance between the mobile device and the Bluetooth module is not greater than the calibrated distance, the main control module, the projection module and the sensor module enter the working state, which can ensure the normal use of the door control function; when the Bluetooth module detects that the distance between the paired mobile device is greater than the calibrated distance, it sends a sleep signal to the main control module to put the main control module into the sleep state. After receiving the sleep signal, the main control module controls the projection module and the sensor module to enter the power-off state and then the sleep state. The projection module and the sensor module no longer run, and the main control module enters sleep, so that the door control sensor is in a low power consumption state and does not need to work continuously, which helps to reduce the power consumption of the door control sensor.

[0038] In the disclosed embodiment, a Bluetooth device is added to the door control sensor, and sleep and wake-up logic is added to the door control sensor through the Bluetooth device, so that the sleep and wake-up logic can be implemented without obtaining the whole vehicle signal, which can avoid the continuous working state when the whole vehicle is in sleep or driving state, and help to reduce the power consumption of the door control sensor, thereby improving the user experience of the door control sensor.

[0039] The technical solution of the present disclosure is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] The accompanying drawings, which constitute a part of the specification, illustrate embodiments of the present disclosure and, together with the description, serve to explain the principles of the present disclosure.

[0041] The present disclosure may be more clearly understood from the following detailed description with reference to the accompanying drawings, in which:

[0042] Figure 1 A structural block diagram of a door control sensor provided for an exemplary embodiment of the present disclosure;

[0043] Figure 2A structural block diagram of a door control sensor provided for another exemplary embodiment of the present disclosure;

[0044] Figure 3 A structural block diagram of a vehicle provided for an exemplary embodiment of the present disclosure;

[0045] Figure 4 A structural block diagram of a vehicle is provided for another exemplary embodiment of the present disclosure.

[0046] The reference numerals are as follows:

[0047] Projection module-1; sensor module-2; main control module-3; Bluetooth module-4; door controller-5; mobile device-6; power management module-7; vehicle power supply-8; door control sensor-9; connector-10;

[0048] Projection drive unit-11; projection lamp-12; projection lens-13; second wake-up interface-31; micro control unit-32; projection drive interface-33; first wake-up interface-41; main control module power supply unit-71; Bluetooth module power supply unit-72; projection module power supply unit-73, sensor module power supply unit-74. DETAILED DESCRIPTION

[0049] Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangement of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present disclosure unless otherwise specifically stated.

[0050] Those skilled in the art can understand that the terms "first" and "second" in the embodiments of the present disclosure are only used to distinguish different steps, devices or modules, etc., and neither represent any specific technical meaning nor indicate the necessary logical order between them.

[0051] It should also be understood that in the embodiments of the present disclosure, “plurality” may refer to two or more than two, and “at least one” may refer to one, two, or more than two.

[0052] It should also be understood that any component, data or structure mentioned in the embodiments of the present disclosure can generally be understood as one or more, unless explicitly limited or otherwise indicated in the context.

[0053] In addition, the term "and / or" in the present disclosure is only a description of the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in the present disclosure generally indicates that the associated objects before and after are in an "or" relationship.

[0054] It should also be understood that the description of the various embodiments in the present disclosure focuses on the differences between the various embodiments, and the same or similar aspects thereof can be referenced to each other, and for the sake of brevity, they will not be described one by one.

[0055] At the same time, it should be understood that for the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship.

[0056] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the present disclosure, its application, or uses.

[0057] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered as part of the specification.

[0058] It should be noted that like reference numerals and letters refer to similar items in the following figures, and therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0059] Figure 1 FIG. 1 is a block diagram of a door control sensor provided by an exemplary embodiment of the present disclosure. The door control sensor can be used in a vehicle to control the opening and closing of a door. Figure 1 As shown, the door control sensor includes a projection module 1, a sensor module 2, a main control module 3 and a Bluetooth module 4. The main control module 3 is connected to the projection module 1, the sensor module 2, the Bluetooth module 4 and the door controller 5 of the vehicle respectively.

[0060] The projection module needs to project an indicator light spot with a certain brightness so that the user can clearly perceive it. It consumes a certain amount of power when working. If it is in a continuous working state, it will generate a large amount of power consumption. If the sensor module is always in a working state, it will also generate additional power consumption. In order to reduce the power consumption of the door control sensor, in the embodiment of the present disclosure, a low-power Bluetooth module is added to the sensor, and sleep logic is added to the door control sensor based on the Bluetooth module, thereby reducing power consumption.

[0061] The Bluetooth module 4 is used to send a wake-up signal to the main control module 3 to wake up the main control module 3 and put it into working state when it detects that a Bluetooth connection is established with the paired mobile device 6 and the distance between the paired mobile device 6 is not greater than the calibrated distance; and send a sleep signal to the main control module 3 when it detects that the distance between the paired mobile device 6 is greater than the calibrated distance.

[0062] The mobile device 6 is a device with a Bluetooth function and has been successfully paired with the Bluetooth module 4. The user can use the mobile device 6 to pair with the Bluetooth module 4 in the door control sensor in advance, so that the mobile device 6 and the Bluetooth module 4 are successfully paired. After the pairing is successful, when the user brings the mobile device 6 close to the Bluetooth module 4, the Bluetooth module 4 can establish a Bluetooth connection with the mobile device. Optionally, the mobile device can be a mobile phone, a tablet, a smart key, a portable computer device, etc.

[0063] After establishing a Bluetooth connection with the mobile device 6, the Bluetooth module 4 can detect the distance between the mobile device 6 and the state of the main control module 3 based on the distance. The Bluetooth module 4 controls the state of the main control module 3 according to the distance between the mobile device and the main control module 3, controls the main control module 3 to work when the distance is close, and controls the main control module 3 to sleep when the distance is far, so that the main control module 3 does not need to work continuously.

[0064] In a possible implementation, the Bluetooth module 4 controls the state of the main control module 3 based on the relationship between the distance and the calibration distance. The calibration distance can be preset to put the door control sensor in a low power consumption state in the driving state. The calibration distance can be set based on the distance between the door to be controlled and the driving position of the vehicle. Optionally, the calibration distance is less than the distance between the door to be controlled and the driving position of the vehicle. Schematically, the door to be controlled can be the tailgate of the vehicle, and the calibration distance can be 1m. Among them, the state of the main control module 3 includes a dormant state and a working state. When the Bluetooth module 4 detects that the distance between the Bluetooth module 4 and the mobile device is not greater than the calibration distance, it indicates that the user may consider the door and there is a need to open the door. A wake-up signal is sent to the main control module 3 to put the main control module 3 into a working state to ensure the normal use of the door control function; when it is detected that the distance between the Bluetooth module 4 and the mobile device is greater than the calibration distance, a dormant signal is sent to the main control module 3 to put the main control module 3 into a dormant state.

[0065] The main control module 3 can control the working state of the projection module 1 and the sensor module 2. The main control module 3 is used to wake up the projection module 1 and the sensor module 2 respectively after being awakened so that the projection module 1 and the sensor module 2 enter the working state, and send a door opening signal to the door controller when the action signal collected by the sensor module 2 is a preset action, so that the door controller controls the door opening of the vehicle; and after receiving the sleep signal, control the projection module 1 and the sensor module 2 to enter the power-off state and then the sleep state.

[0066] After the main control module 3 is awakened by the Bluetooth module 4, the main control module 3 awakens the projection module 1 and the sensor module 2 respectively through the connection with the projection module 1 and the sensor module 2, so that the projection module 1 and the sensor module 2 are in working state, ensuring the normal use of the door control function.

[0067] The projection module 1 is used to project an indication light spot after being awakened by the main control module 3. In a possible implementation, the indication light spot can be projected onto the ground around the door. The indication light spot is used to indicate the preset action position for the user to open the door. Optionally, the preset action for opening the door may include kicking, stepping, waving, etc., and the indication light spot may indicate the user to perform the preset action such as kicking, stepping, waving, etc. at the light spot position. Optionally, the projection module 1 includes a light emitting diode (LED) as a light source to project onto the ground.

[0068] The sensor module 2 is used to collect motion signals after being awakened by the main control module 3. The sensor module can continuously collect motion signals when in working state. In a possible implementation, the sensor module 2 can collect motion signals in the area where the indicator light spot is located. Optionally, the sensor module 2 includes at least one of a capacitive sensor, a millimeter wave radar sensor, a laser radar sensor, an ultrasonic radar sensor, etc. The device composed of the projection module 1 and the sensor module 2 can be used to sense the user's actions.

[0069] The sensor module 2 is connected to the main control module 3 in communication. The sensor module 2 can send the collected action signal to the main control module 3. The main control module 3 receives the action signal sent by the sensor module 2 and determines whether it is a preset action based on the action signal. If it is a preset action, it sends a door opening signal to the vehicle door controller 5 so that the door controller 5 controls the door opening. The door controller 5 is a device for controlling the opening and closing of the door. The door controller can be a controller that independently controls the door. For example, when the door to be controlled is the tailgate, it can be a tailgate controller; or the door controller can also be a vehicle controller, a body controller, a keyless entry and start system (Passive Entry Passive Start, PEPS) controller, etc.

[0070] After the main control module 3 receives the sleep signal sent by the Bluetooth module 4, the main control module 3 controls the projection module 1 and the sensor module 2 to enter the power-off state, and enters the sleep state after the projection module 1 and the sensor module 2 enter the power-off state.

[0071] After the main control module 3 enters the sleep state, it only retains the wake-up function and is in a low-power state. At the same time, the projection module 1 and the sensor module 2 are powered off and no longer generate power consumption. Only the low-power Bluetooth module 4 is kept in the working state, so that the entire door control sensor is in a low-power state, reducing the power consumption of the door control sensor.

[0072] It should be noted that when the operating state of the main control module 3 is switched from the working state to the sleeping state, the historical working data will be saved. After that, only the awakening function will be retained. By saving the historical working data, the main control module can quickly enter the working state after being awakened, which can improve the user experience.

[0073] In the disclosed embodiment, a Bluetooth module is provided in the door control sensor, and the Bluetooth module is connected to the main control module in the door control sensor. When the Bluetooth module detects that a Bluetooth connection is established with a paired mobile device and the distance between the paired mobile device and the paired mobile device is not greater than a calibrated distance, the main control module can be awakened to put it into a working state. The main control module is respectively connected to the projection module and the sensor module. After the main control module is awakened, the projection module and the sensor module can be awakened to put them into a working state to sense the user's action. The main control module can send a door control signal to the door controller to open the vehicle door when the action signal collected by the sensor module is a preset action, that is, When the distance between the mobile device and the Bluetooth module is not greater than the calibrated distance, the main control module, the projection module and the sensor module enter the working state, which can ensure the normal use of the door control function; when the Bluetooth module detects that the distance between the paired mobile device is greater than the calibrated distance, it sends a sleep signal to the main control module to put the main control module into the sleep state. After receiving the sleep signal, the main control module controls the projection module and the sensor module to enter the power-off state and then enter the sleep state. The projection module and the sensor module are powered off, and the main control module enters the sleep state, so that the door control sensor is in a low power consumption state and does not need to work continuously, which helps to reduce the power consumption of the door control sensor.

[0074] In the disclosed embodiment, a Bluetooth device is added to the door control sensor, and sleep and wake-up logic is added to the door control sensor through the Bluetooth device, so that the sleep and wake-up logic can be implemented without obtaining the whole vehicle signal, which can avoid the continuous working state when the whole vehicle is in sleep or driving state, and help to reduce the power consumption of the door control sensor, thereby improving the user experience of the door control sensor.

[0075] In a possible implementation, Figure 2 As shown, the Bluetooth module 4 includes a first wake-up interface 41, and the main control module 3 includes a second wake-up interface 31. The first wake-up interface 41 is electrically connected to the second wake-up interface 31, thereby connecting the main control module 3 and the Bluetooth module 4. Optionally, the first wake-up interface 41 in the Bluetooth module 4 can be a preset pin of the Bluetooth chip, and the second wake-up interface in the main control module 3 can be a preset pin of the main control chip. The first wake-up interface 41 controls the state of the main control module 3 by sending high and low level signals to the second wake-up interface 31. Optionally, the first wake-up interface 41 is used to send a high level signal to the second wake-up interface 31 to wake up the main control module 3 and enter the working state; and / or, the first wake-up interface 41 is used to send a low level signal to the second wake-up interface 31 to put the main control module 3 into a dormant state.

[0076] That is, the above-mentioned wake-up signal can be a high-level signal, and the sleep signal can be a low-level signal. When the Bluetooth module 4 detects that the distance between the paired mobile device 6 is not greater than the calibrated distance, it controls the first wake-up interface 41 to send a high-level signal to the second wake-up interface 31 to switch the main control module 3 from the sleep state to the working state. When the Bluetooth module 4 detects that the distance between the paired mobile device 6 is less than the calibrated distance, it controls the first wake-up interface 41 to send a low-level signal to the second wake-up interface 31 to switch the main control module 3 from the working state to the sleep state.

[0077] The main control module 3 is connected to the projection module 1, the sensor module 2 and the door controller 5 respectively. The main control module 3 is connected to the sensor module 2 and the door controller 5 for communication. Figure 2 As shown, the main control module 3 includes a micro control unit 32, and the micro control unit 32 establishes communication connections with the sensor module 2 and the door controller 5 respectively. In a possible implementation, the micro control unit 32 is connected to the sensor module 2 via a serial peripheral interface (SPI). When the micro control unit 32 of the main control module 3 enters the working state, the sensor module 2 is awakened through the communication connection with the sensor module 2 so that the sensor module 2 collects the action signal.

[0078] The main control module 3 also includes a projection drive interface 33, which is connected to the micro control unit 32. The projection drive interface 33 is electrically connected to the projection module 1. Optionally, the projection module 1 includes a projection drive unit 11, a projection lamp 12 and a projection lens 13 connected thereto. The projection drive interface 33 between the projection drive unit 11 and the main control module 3 is electrically connected. When the main control module 3 enters the working state, the micro control unit 32 of the main control module 3 also enters the working state. The micro control unit 32 is used to send a drive signal to the projection drive unit 11 through the projection drive interface 33 in the working state. The projection drive unit 11 is used to drive the projection lamp 12 and the projection lens 13 to enter the working state after receiving the drive signal to project an indication spot. Optionally, the drive signal may be a pulse width modulation (PWM) signal. The projection lamp 12 is a light source used for projection. Optionally, the projection lamp 12 may be an LED lamp. The projection lens 13 is an optical lens used for projection. After the microcontroller unit 32 of the main control module 3 enters the working state, it sends a PWM signal to the projection drive unit 11 through the projection drive interface 33, so that the projection drive unit 11 drives the projection lamp 12 and the projection lens 13 to work, so as to project the indication light spot.

[0079] In a possible implementation, a projection control unit is provided in the micro control unit 32 of the main control module 3, and the projection control unit in the micro control unit 32 is electrically connected to the projection drive interface 33. After the micro control unit 32 enters the working state, the projection control unit provided therein sends a driving signal to the projection drive unit 11 in the projection module 1 through the projection drive interface 33, so that the projection drive unit 11 drives the projection lamp 12 and the projection lens 13 to enter the working state.

[0080] The door control sensor further includes a power management module 7, which is used to respectively supply power to the main control module 3, the Bluetooth module 4, the projection module 1, and the sensor module 2. The power management module 7 is electrically connected to the vehicle power supply 8, and includes a main control module power supply unit 71, a Bluetooth module power supply unit 72, a projection module power supply unit 73, and a sensor module power supply unit 74.

[0081] Among them, the main control module power supply unit 71 is electrically connected to the main control module 3 for supplying power to the main control module 3; the Bluetooth module power supply unit 72 is electrically connected to the Bluetooth module 4 for supplying power to the Bluetooth module 4; the projection module power supply unit 73 is electrically connected to the projection module 1 for supplying power to the projection module 1; the sensor module power supply unit 74 is electrically connected to the sensor module 2 for supplying power to the sensor module 2.

[0082] In a possible implementation, the main control module 3 is electrically connected to the projection module power supply unit 73 and the sensor module power supply unit 74, respectively, and is used to control the power supply status of the projection module power supply unit 73 and the sensor module power supply unit 74. The main control module 3 can control the power supply status of the projection module power supply unit 73 and the sensor module power supply unit 74 through an enable signal. After the main control module 3 receives the wake-up signal and enters the working state, it sends an enable start signal to the projection module power supply unit 73 and the sensor module power supply unit 74, so that the projection module power supply unit 73 supplies power to the projection module 1, and the sensor module power supply unit 74 supplies power to the sensor module 2. After the main control module 3 receives the sleep signal, it sends an enable shutdown signal to the projection module power supply unit 73 and the sensor module power supply unit 74, so that the projection module power supply unit 73 and the sensor module power supply unit 74 stop supplying power, so that the projection module 1 and the sensor module 2 are in a power-off state.

[0083] In an illustrative example, when a user carries a mobile device close to a vehicle equipped with a door control sensor, within a certain range from the vehicle, since the mobile device has been pre-paired with the Bluetooth module in the door control sensor, the mobile device can search for the Bluetooth module and establish a Bluetooth connection. The Bluetooth module can detect the distance between the mobile device and the mobile device. When the Bluetooth module detects that the distance between the mobile device and the mobile device is not greater than the calibrated distance, it indicates that the user may be close to the door. The Bluetooth module will wake up the connected main control module, that is, it will send a high-level signal to the second wake-up interface of the connected main control module through the first wake-up interface to switch the main control module from the sleep state to the working state.

[0084] After the main control module is in working state, an enable start signal is sent to the projection module power supply unit and the sensor module power supply unit in the power management module to put the projection module and the sensor module in a power-on state, thereby controlling the projection module and the sensor module to be in working state. Optionally, the micro control unit in the main control module can send a start signal to the sensor module through the communication connection with the sensor module to make the sensor module work. The micro control unit can also send a drive signal to the projection drive unit in the projection module through the projection drive interface. After receiving the drive signal, the projection drive unit drives the projection control unit to work, so as to project an indication light spot on the ground.

[0085] The Bluetooth module will continuously detect the distance between the paired mobile device. When it detects that the real-time distance is greater than the calibrated distance, it will control the main control module to re-enter the sleep state, that is, the first wake-up interface sends a low-level signal to the connected second wake-up interface to switch the main control module from the working state to the sleep state. After the main control module receives the sleep signal to enter the sleep state (the low-level signal sent by the wake-up unit), it first sends an enable shutdown signal to the projection module power supply unit and the sensor module power supply unit in the power management module to power off the projection module and the sensor module, and then enters the sleep state again, retaining only the wake-up function. At this time, the low-power Bluetooth module in the door control sensor remains in the working state, while the main control module is in sleep, and the projection module and the sensor module are turned off (the projection module and the sensor module are in the power-off state). The overall power consumption is low, which can meet the static current requirements of the whole vehicle sleep.

[0086] In the above embodiment, when the Bluetooth module 4 detects that the distance between the Bluetooth module 4 and the mobile device is not greater than the calibrated distance, the main control module 3 is controlled to be in working state. In one possible case, the user is within the calibrated distance from the door, but not outside the door, such as the user is in the car. At this time, there will be no need to open the door. In order to reduce unnecessary power consumption, in another possible implementation, in addition to detecting the distance between the Bluetooth module 4 and the mobile device, the real-time direction of the mobile device is also detected to determine whether to control the main control module 3 to be in working state according to the distance and direction. In response to the distance being less than the calibrated distance, the Bluetooth module 4 detects the direction of the mobile device, and in response to the direction being within the preset direction range, the main control module 3 is controlled to be in working state. Optionally, the preset direction range can be a specific area range of the outside of the door to be controlled, such as a conical area in front of the outside of the door.

[0087] When the distance between the mobile device and the Bluetooth module 4 is less than the calibrated distance, the Bluetooth module 4 detects the direction of the mobile device. If the direction is within the preset direction range, the main control module 3 is controlled to be in working state. When the Bluetooth module 4 detects that the direction of the mobile device is not within the preset direction range, the Bluetooth module 4 does not wake up the main control module 3, even if the main control module 3 remains in a dormant state. By detecting the direction of the mobile device to determine whether the user is within the direction range for opening the door, the operating state of the main control module can be controlled in combination with the distance and direction to further reduce power consumption. After the main control module 3 is controlled to be in working state, if it is detected that the direction is outside the preset direction range, the main control module 3 can be controlled to enter a dormant state, so that the main control module 3 controls the projection module 1 and the sensor module 2 to be in a power-off state.

[0088] In the disclosed embodiment, the Bluetooth module detects the distance between the Bluetooth module and the mobile device and the direction of the mobile device to more accurately perceive the user's intention to open the door, and controls the working status of the main control module, projection module and sensor module according to the distance and direction, which can further reduce the power consumption of the door control sensor while ensuring the normal use of the door control function.

[0089] In one possible scenario, when the car door is opened by a companion of the user carrying the mobile device, at this time, the mobile device may not be within the preset distance threshold, but there is still a demand to open the car door. To ensure the normal use of the door sensing function, in another possible implementation, a first distance threshold and a second distance threshold may be preset respectively, wherein the second distance threshold is greater than the first distance threshold.

[0090] In response to the Bluetooth connection with the mobile device, the Bluetooth module 4 detects the distance between the mobile device and the Bluetooth module 4. When the Bluetooth module 4 detects that the distance is less than the second distance threshold, the main control module 3 is controlled to be in a working state; after the main control module 3 is in a working state, when the continuous length of time that the distance is less than the second distance threshold and greater than the first distance threshold reaches a preset time threshold, the main control module 3 is controlled to enter a dormant state. That is, when the user carries the mobile device into the range corresponding to the second distance threshold, the main control module 3 is controlled to be in a working state, and the projection module 1 and the sensor module 2 are further in a working state, so that they maintain the working state for a time corresponding to the preset time threshold. Schematically, the preset time threshold can be 1 minute. If the distance is less than the second distance threshold, in the time period that does not reach the preset time threshold, when the distance is less than the first distance threshold, the main control module 3 is kept in a working state until the distance is greater than the first distance threshold again, and the Bluetooth module 4 controls the main control module 3 to switch to a dormant state.

[0091] In an illustrative example, the first distance threshold may be the above-mentioned calibrated distance, such as 1m, and the second distance threshold is greater than the first distance threshold, which may be 2m. When the Bluetooth module detects that the distance between the Bluetooth module and the mobile device is less than 2m, the first wake-up interface of the Bluetooth module may send a high-level signal to the second wake-up interface of the main control module, so that the main control module is in a working state. When the distance between the Bluetooth module and the mobile device is less than 2m and greater than 1m for a period of time that reaches a preset time threshold, a low-level signal is sent to the second wake-up interface of the main control module, so that the main control module is in a dormant state; if the distance between the Bluetooth module and the mobile device continues to decrease to less than 1m, the main control module is kept in a working state. When the distance between the Bluetooth module and the mobile device is greater than 1m, the main control module is switched from a working state to a dormant state. When the state of the main control module changes, the state of the projection module and the sensor module is controlled to change at the same time. When the main control module is in a working state, the projection module and the sensor module are also in a working state. When the main control module is in a dormant state, the projection module and the sensor module are in a power-off state.

[0092] In the disclosed embodiment, when the mobile device is within a certain distance range from the Bluetooth module (within a second distance threshold), the Bluetooth module keeps the main control module in working state for a certain period of time to ensure normal use of the door control function by other personnel.

[0093] The door control sensor provided by the embodiment of the present disclosure is used for a vehicle. Figure 3 As shown, it shows a structural block diagram of a vehicle provided by an exemplary embodiment of the present disclosure. The vehicle includes a door control sensor 9 and a door controller 5 provided by any of the above embodiments. The main control module in the door control sensor 9 is in communication connection with the door controller 5.

[0094] Further, such as Figure 4, which shows a structural block diagram of a vehicle provided by another exemplary embodiment of the present disclosure. The vehicle further comprises a vehicle power supply 8 , which is electrically connected to a power management module in a door control sensor 9 .

[0095] Furthermore, the vehicle also includes a connector 10, in which a wiring harness is arranged. The main control module in the door control sensor 9 is communicatively connected with the door controller via the wiring harness in the connector 10; the power management module in the door control sensor 9 is electrically connected with the power management module via the wiring harness in the connector 10.

[0096] Optionally, the door control sensor 9 can be used for the tailgate of the car, and other doors other than the tailgate of the car. Optionally, the other doors include the side doors on the left and right sides of the vehicle. Schematically, when the vehicle is a small car, the other doors include four doors on the left and right sides of the small car, that is, the door of the passenger compartment and the door of the cab. When the door control sensor is used for the tailgate, it can be installed on the side around the tailgate, such as being set on the rear bumper of the vehicle to control the tailgate; when used for other doors, it is set on the side around other doors to control other doors. If used for the side door, it can be installed on the side around the side door. In a possible embodiment, a plurality of door control sensors can be set on the vehicle, respectively used to control different doors.

[0097] The basic principles of the present disclosure are described above in conjunction with specific embodiments. However, it should be noted that the advantages, strengths, effects, etc. mentioned in the present disclosure are only examples and not limitations, and it cannot be considered that these advantages, strengths, effects, etc. are required by each embodiment of the present disclosure. In addition, the specific details disclosed above are only for the purpose of illustration and ease of understanding, and are not limitations. The above details do not limit the present disclosure to the necessity of adopting the above specific details to be implemented.

[0098] Each embodiment in this specification is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the system embodiment, since it basically corresponds to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0099] The block diagrams of the devices, apparatuses, equipment, and systems involved in this disclosure are only illustrative examples and are not intended to require or imply that they must be connected, arranged, and configured in the manner shown in the block diagrams. As will be appreciated by those skilled in the art, these devices, apparatuses, equipment, and systems can be connected, arranged, and configured in any manner. Words such as "including," "comprising," "having," and the like are open words, referring to "including but not limited to," and can be used interchangeably therewith. The words "or" and "and" used herein refer to the words "and / or," and can be used interchangeably therewith, unless the context clearly indicates otherwise. The word "such as" used herein refers to the phrase "such as but not limited to," and can be used interchangeably therewith.

[0100] The apparatus of the present disclosure may be implemented in many ways. For example, the apparatus of the present disclosure may be implemented by hardware, firmware, or any combination of hardware and firmware.

[0101] It should also be noted that in the device of the present disclosure, each component can be decomposed and / or reassembled. Such decomposition and / or reassembly should be regarded as an equivalent solution of the present disclosure.

[0102] The above description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present disclosure. Various modifications to these aspects will be readily apparent to those skilled in the art, and the general principles defined herein may be applied to other aspects without departing from the scope of the present disclosure. Therefore, the present disclosure is not intended to be limited to the aspects shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

[0103] The above description has been given for the purpose of illustration and description. In addition, this description is not intended to limit the embodiments of the present disclosure to the forms disclosed herein. Although multiple example aspects and embodiments have been discussed above, those skilled in the art will recognize certain variations, modifications, changes, additions and sub-combinations thereof.

Claims

1. A door control sensor, characterized in that: For a vehicle, the door control sensor comprises a main control module, a Bluetooth module, a projection module and a sensor module; wherein the main control module is respectively connected to the projection module, the sensor module, the Bluetooth module and the door controller of the vehicle; The Bluetooth module is used to send a wake-up signal to the main control module to wake up the main control module and put it into working state when it detects that a Bluetooth connection is established with a paired mobile device and the distance between the paired mobile device and the paired mobile device is not greater than a calibrated distance; and send a sleep signal to the main control module when it detects that the distance between the paired mobile device and the paired mobile device is greater than the calibrated distance; The main control module is used to wake up the projection module and the sensor module respectively after being awakened so that the projection module and the sensor module enter a working state, and send a door opening signal to the door controller when the action signal collected by the sensor module is a preset action, so that the door controller controls the door of the vehicle to open; and after receiving a sleep signal, control the projection module and the sensor module to enter a power-off state and then a sleep state respectively; The projection module is used to project an indication light spot after being awakened by the main control module; The sensor module is used to collect action signals after being awakened by the main control module.

2. The sensor according to claim 1, characterized in that The Bluetooth module includes a first wake-up interface, the main control module includes a second wake-up interface, and the first wake-up interface is electrically connected to the second wake-up interface; The first wake-up interface is used to send a high-level signal to the second wake-up interface to wake up the main control module and put it into working state; and / or, The first wake-up interface is used to send a low-level signal to the second wake-up interface to enable the main control module to enter a sleep state.

3. The sensor according to claim 1, characterized in that The main control module includes a connected micro control unit and a projection drive interface; The micro control unit is respectively connected to the sensor module and the door controller for communication; The projection drive interface is electrically connected to the projection module.

4. The sensor according to claim 3, characterized in that The projection module includes a projection drive unit, a projection lamp and a projection lens connected to each other; The projection driving unit is electrically connected to the projection driving interface of the main control module; The micro control unit of the main control module is used to send a driving signal to the projection driving unit through the projection driving interface in a working state. After receiving the driving signal, the projection driving unit drives the projection lamp and the projection lens to enter a working state to project the indication light spot.

5. The sensor according to any one of claims 1 to 4, characterized in that: Also included is a power management module, the power management module being electrically connected to a vehicle power supply; The power management module comprises: A main control module power supply unit, electrically connected to the main control module; A Bluetooth module power supply unit, electrically connected to the Bluetooth module; A projection module power supply unit, electrically connected to the projection module; The sensor module power supply unit is electrically connected to the sensor module.

6. The sensor according to claim 5, characterized in that The main control module is electrically connected to the projection module power supply unit and the sensor module power supply unit respectively; The main control module is used to send an enable shutdown signal to the projection module power supply unit and the sensor module power supply unit respectively after receiving the sleep signal, so that the projection module power supply unit and the sensor module power supply unit stop supplying power.

7. A vehicle, characterized in that: The vehicle comprises a door control sensor and a door controller as described in any one of claims 1 to 6, and a main control module in the door control sensor is communicatively connected with the door controller.

8. The vehicle according to claim 7, characterized in that The vehicle also includes a vehicle power supply, which is electrically connected to a power management module in the door control sensor.

9. The vehicle according to claim 8, characterized in that The vehicle also includes a connector; The main control module in the door control sensor is communicatively connected with the door controller via the wiring harness in the connector; The power management module in the door control sensor is electrically connected to the power management module through a wiring harness in the connector.

10. The vehicle according to any one of claims 7 to 9, characterized in that: The door control sensor is arranged on the rear bumper of the vehicle and is used to control the tailgate; or, The door control sensor is arranged on the periphery of other doors and is used for controlling other doors.

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