WO2015172321A1 - Procédé et terminal anti-collision de mesure de distance par infrarouge - Google Patents

Procédé et terminal anti-collision de mesure de distance par infrarouge Download PDF

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Publication number
WO2015172321A1
WO2015172321A1 PCT/CN2014/077415 CN2014077415W WO2015172321A1 WO 2015172321 A1 WO2015172321 A1 WO 2015172321A1 CN 2014077415 W CN2014077415 W CN 2014077415W WO 2015172321 A1 WO2015172321 A1 WO 2015172321A1
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WO
WIPO (PCT)
Prior art keywords
terminal
user
infrared ranging
ranging module
moving speed
Prior art date
Application number
PCT/CN2014/077415
Other languages
English (en)
Chinese (zh)
Inventor
朱小进
李光然
罗艳彪
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2014/077415 priority Critical patent/WO2015172321A1/fr
Priority to CN201480001272.1A priority patent/CN104335260B/zh
Publication of WO2015172321A1 publication Critical patent/WO2015172321A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices

Definitions

  • the present invention relates to the field of intelligent terminal technologies, and in particular, to an infrared ranging anti-collision method and a terminal. Background technique
  • infrared ranging technology has matured, and smart terminals such as smart phones have anti-collision function technology.
  • the realization principle is that the rear camera of the existing mobile phone is used for image recognition and processing to determine the environment around the user. When an object is detected to be close, the user is reminded to pay attention to safety.
  • This technology has the following disadvantages: The existing mobile phone camera has a fixed position, cannot be adaptively adjusted according to the user's state, and the coverage of the camera is limited; and the mobile phone visible light camera has poor effect in dark or nighttime, and cannot effectively realize the anti-collision function.
  • the embodiment of the invention provides an infrared ranging anti-collision method and a terminal, which have better environmental adaptability, can adaptively adjust the detection direction of the infrared ranging module, and minimize the use of the handheld terminal when the user walks. Potential security risks to protect users from accidental injuries.
  • an infrared ranging anti-collision method including:
  • An alarm prompt is output to the user based on the distance and the speed of movement of the user and/or the obstacle.
  • the adjusting the infrared ranging module according to the tilt angle of the current relative horizontal position of the terminal, so that the detecting direction axis of the infrared ranging module is parallel to the ground further includes:
  • the infrared ranging module includes a semi-elliptical infrared ranging sensor array and a motor
  • the infrared ranging sensor array includes first, second and third infrared ranging sensors, a center of the first sensor coincides with a short axis of the semi-elliptical infrared ranging sensor array, the second and the The three sensors are symmetrically distributed with respect to the short axis, and the angle between the center and the minor axis is 60.
  • the center of the motor coincides with the long axis of the semi-elliptical infrared ranging sensor array.
  • an alarm prompt is output to the user.
  • the alarm prompting manner includes:
  • Image alarm prompt audible alarm prompt or vibration alarm prompt.
  • the method further includes: turning off the infrared ranging when the moving speed of the user is less than a set threshold and/or the setting application is closed Module; or
  • a terminal including:
  • a startup unit configured to: when detecting that the moving speed of the user of the handheld terminal is greater than a set threshold, and the setting application on the terminal is turned on, starting the infrared ranging module on the terminal;
  • the adjusting unit is configured to adjust the infrared ranging module according to the tilt angle of the current relative horizontal position of the terminal, so that the detecting direction axis of the infrared ranging module is parallel to the ground;
  • control unit configured to control the infrared ranging module to detect a distance between an obstacle around the user and the user and/or a moving speed of the obstacle
  • a first output unit configured to output an alarm prompt to the user according to the distance and the moving speed of the user and/or the obstacle.
  • the terminal further includes:
  • a first acquiring unit configured to acquire a current acceleration value of the terminal, and an acceleration value when the terminal is in a horizontal position
  • a second acquiring unit configured to acquire, according to the current acceleration value and an acceleration value when the terminal is in a horizontal position, an inclination angle of a current relative horizontal position of the terminal.
  • the infrared ranging module includes a semi-elliptical infrared ranging sensor array and a motor
  • the infrared ranging sensor array includes first, second and third infrared ranging sensors, a center of the first sensor coincides with a short axis of the semi-elliptical infrared ranging sensor array, the second and the The three sensors are symmetrically distributed with respect to the short axis, and the angle between the center and the minor axis is 60.
  • the center of the motor coincides with the long axis of the semi-elliptical infrared ranging sensor array.
  • the first output unit includes: a unit, configured to acquire a relative moving speed between the user and the obstacle according to a moving speed of the user and/or the obstacle, where the relative moving speed corresponds to an alarm threshold distance;
  • a second output unit configured to output an alarm prompt to the user when the distance reaches an alarm threshold distance corresponding to the relative moving speed.
  • the alarm prompting manner includes:
  • the terminal further includes: a closing unit, configured to close when the moving speed of the user is less than a set threshold and/or the setting application is closed The infrared ranging module; or
  • the shutdown unit is configured to close the infrared ranging module when receiving an indication that the user turns off the infrared ranging module.
  • a terminal including an input device, an output device, a memory, and a processor.
  • the processor is configured to perform the following steps:
  • An alarm prompt is output to the user based on the distance and the speed of movement of the user and/or the obstacle.
  • the processor performs the adjusting of the infrared ranging module according to the tilt angle of the current relative horizontal position of the terminal, so that the detecting direction axis of the infrared ranging module is Before the steps parallel to the ground, perform the following steps:
  • the infrared ranging module includes a semi-elliptical infrared ranging sensor array and a motor
  • the infrared ranging sensor array includes first, second and third infrared ranging sensors, a center of the first sensor coincides with a short axis of the semi-elliptical infrared ranging sensor array, the second and the The three sensors are symmetrically distributed with respect to the short axis, and the angle between the center and the minor axis is 60.
  • the center of the motor coincides with the long axis of the semi-elliptical infrared ranging sensor array.
  • the step of outputting an alarm prompt to the user including:
  • an alarm prompt is output to the user.
  • the alarm prompting manner includes:
  • Image alarm prompt audible alarm prompt or vibration alarm prompt.
  • the processor further performs the following steps: when the moving speed of the user is less than a set threshold and/or the setting application is closed, Infrared ranging module; or
  • the infrared ranging module is turned off when receiving an indication that the user turns off the infrared ranging module. It can be seen that the infrared ranging and anti-collision method and the terminal provided by the embodiments of the present invention have better environmental adaptability, and can adaptively adjust the detection direction of the infrared ranging module. , to minimize the potential safety risks caused by the use of the handheld terminal while walking, to avoid accidental injury. DRAWINGS
  • FIG. 1 is a flowchart of an infrared ranging anti-collision method according to an embodiment of the present invention
  • Figure 2 is a schematic diagram of infrared ranging anti-collision
  • FIG. 3 is a flowchart of another infrared ranging anti-collision method according to an embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of an exemplary terminal
  • Figure 5 is a schematic diagram showing the composition of an infrared ranging sensor array
  • FIG. 6 is a schematic diagram of adjustment of an infrared ranging sensor array when the terminal is horizontal to tilted
  • FIG. 7 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure
  • FIG. 8 is a schematic structural diagram of another terminal according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram of still another terminal according to an embodiment of the present invention. detailed description
  • a flowchart of an infrared ranging anti-collision method includes the following steps:
  • Step S101 When it is detected that the moving speed of the user of the handheld terminal is greater than a set threshold, and the setting application on the terminal is turned on, the infrared ranging module on the terminal is activated.
  • an infrared ranging module is disposed on the terminal, as shown in FIG. 2, and the user of the handheld terminal often opens some applications while walking, and the user's attention is mainly concentrated on these applications. For example, answering the phone, browsing the webpage, etc., not paying attention to the surrounding traffic flow, the flow of people, etc., there is a great security risk.
  • the infrared ranging module set on the terminal in the embodiment of the present invention may be an infrared ranging sensor array, and the infrared measurement
  • the distance module can sense obstacles in front of any environment, such as insufficient light, bad weather, and the like.
  • the infrared ranging module on the startup terminal has two conditions: the user is in the mobile state and the setting application of the user to open the terminal. Therefore, in this step, detecting whether the user is in a moving state, that is, whether the user's moving speed is greater than the set width
  • the setting application here refers to an application that requires the user to concentrate on these applications, such as answering a call, opening a game, browsing a webpage or watching a video, etc., user-initiated Applications can be logged through the terminal operating system.
  • Step S102 Adjust the infrared ranging module according to the tilt angle of the current relative horizontal position of the terminal, so that the detecting direction axis of the infrared ranging module is parallel to the ground.
  • the infrared ranging module Adjusting the infrared ranging module according to the tilt angle: In the initial state of starting the infrared ranging module, the terminal is generally in a horizontal position, and the infrared ranging module is also in a straight line with the terminal, that is, in a horizontal position; When the user tilts the terminal, in order to enable the infrared ranging module to accurately and comprehensively detect the obstacle in front, the axis of the detection direction of the infrared ranging module needs to be parallel to the ground. Therefore, the infrared ranging module is adjusted according to the tilt angle. The infrared distance measuring module is driven to rotate, so that the detection direction axis of the infrared distance measuring module is parallel to the ground.
  • Step S103 Control the infrared ranging module to detect a distance between the obstacle around the user and the user and/or a moving speed of the obstacle.
  • the infrared ranging module can be controlled to detect the distance between the obstacle and the user, and the existing technology can be used to detect the distance by using the infrared ray, and will not be described here.
  • the obstacles may be fixed or mobile.
  • the infrared ranging module can be used to detect the moving speed of the moving obstacles. This can also be used in existing technologies, and will not be described here.
  • Step S104 outputting an alarm prompt to the user according to the distance and the moving speed of the user and/or the obstacle.
  • the distance between the user and the obstacle and the moving speed of the user or the relative moving speed between the user and the obstacle it can be calculated how long the distance hits the obstacle, and a certain distance can be set. When the distance is wide, an alarm prompt is output to the user.
  • FIG. 3 is a flowchart of another infrared ranging anti-collision method according to an embodiment of the present invention. The method includes the following steps:
  • Step S201 When it is detected that the moving speed of the user of the handheld terminal is greater than a set threshold, and the setting application on the terminal is turned on, the infrared ranging module on the terminal is activated.
  • an infrared ranging module is disposed on the terminal, as shown in FIG. 4, which is a schematic structural diagram of the terminal.
  • the handheld terminal (1) includes an infrared ranging module (2), and may further include a display screen ( 3), a speaker (4), wherein the infrared ranging module (2) of the dotted line frame further comprises an infrared ranging sensor array (5) and Drive motor (6).
  • FIG. 5 it is a schematic diagram of the composition of the infrared ranging sensor array, and the detection range of the infrared ranging sensor array is a 60-degree cone.
  • the center of the sensor (51) coincides with the semi-elliptical short axis of the infrared ranging sensor array, and the sensor (52) and the sensor (53) are symmetrically distributed with respect to the short axis, and the angle between the center and the minor axis is 60 degrees.
  • the sensor array can cover a sector of 180 degrees, and under the action of the driving motor, it can cover the environment around the user's handheld terminal.
  • the center of the drive motor coincides with the semi-elliptical long axis of the module.
  • the infrared ranging module can also use other infrared ranging sensor arrays, which is only an example.
  • the infrared ranging module on the startup terminal has two conditions: the user is in the mobile state and the setting application of the user to open the terminal. Therefore, in this step, detecting whether the user is in a moving state, that is, whether the user's moving speed is greater than the set width The value, and whether the setting application on the detection terminal is turned on.
  • the user's movement speed can be measured by the acceleration sensor in the terminal.
  • the settings application here refers to applications that require users to focus on these applications, such as answering calls, opening games, browsing web pages, or watching videos. User-initiated applications can be recorded by the terminal operating system. When the two detection conditions are satisfied at the same time, the infrared ranging module is automatically started.
  • Step S202 Acquire a current acceleration value of the terminal and an acceleration value when the terminal is in a horizontal position.
  • Step S203 Acquire an inclination angle of a current relative horizontal position of the terminal according to the current acceleration value and an acceleration value when the terminal is in a horizontal position.
  • Step S202 - Step S203 is to obtain the tilt angle of the current relative horizontal position of the terminal.
  • Fig. 6 it is an adjustment diagram of the infrared ranging sensor array when the terminal is horizontal to tilted.
  • the acceleration sensor XYZ triaxial acceleration values are XI, Y1 and Zl, and the infrared ranging sensor array at this time Consistent with the terminal; when the terminal is tilted, the accelerometer's triaxial acceleration value is
  • X2, Y2 and Z2 can calculate the tilt angle of the terminal by calculating the difference of the three-axis acceleration values in the two states.
  • Step S204 Adjust the infrared ranging module according to the tilt angle of the current relative horizontal position of the terminal, so that the detecting direction axis of the infrared ranging module is parallel to the ground.
  • the tilt angle is used as an input value for adjusting the detection direction of the infrared ranging sensor array, and the starting motor adjusts the angle of the infrared ranging sensor array to ensure that the infrared ranging sensor array can be effectively detected.
  • the adjusted infrared ranging sensor detects that the direction axis is parallel to the ground.
  • Step S205 controlling the infrared ranging module to detect an obstacle around the user and using the The distance between the households and/or the speed at which the obstacle moves.
  • Step S205 is the same as step S103 of the embodiment shown in FIG. 1, and details are not described herein again.
  • Step S206 Acquire a relative moving speed between the user and the obstacle according to a moving speed of the user and/or the obstacle, where the relative moving speed corresponds to an alarm threshold distance.
  • Step S207 When the distance reaches an alarm threshold distance corresponding to the relative moving speed, an alarm prompt is output to the user.
  • the infrared ranging module works normally, the environment around the user is monitored in real time.
  • the handheld terminal displays an image such as the speed and orientation of the obstacle through the interface, and can also pass the speaker. Or the vibration motor reminds the user to pay attention to safety, to provide a variety of alarm prompts to improve the user experience.
  • different alarm threshold distances can be set to accurately provide the user with an alarm prompt in advance. For example, when the user encounters a fixed object and uses lm/s for normal walking speed, we set the alarm threshold distance to 5m. When the user encounters a higher speed object, such as the speed is 20m/s, we set The alarm wide distance is 30m; when the moving speed of the object is between lm/s and 20m/s, the alarm threshold distance is set to 15m.
  • Step S208 Turn off the infrared ranging module when the moving speed of the user is less than a set threshold and/or the setting application is closed.
  • the closing of the infrared ranging sensor can be automatically turned off by the setting of the handheld terminal.
  • the principle of automatic shutdown is that when the handheld terminal accelerometer senses that the user stops moving or the application of the handheld terminal affects the user's attention is turned off, the control drive motor automatically turns off the infrared ranging sensor array and restores its angle to the initial state.
  • the user can cancel the alarm anti-collision function, that is, the receiving user turns off the indication of the infrared ranging module, and controls the driving motor to turn off the infrared ranging sensor array, and restores the angle to the initial state.
  • FIG. 7 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
  • the terminal 1000 includes:
  • the startup unit 11 is configured to start an infrared ranging module on the terminal when detecting that the moving speed of the user of the handheld terminal is greater than a set threshold and the setting application on the terminal is turned on.
  • an infrared ranging module is disposed on the terminal, as shown in FIG. 2, and the user of the handheld terminal often opens some applications while walking, and the user's attention is mainly concentrated on these applications. For example, answering the phone, browsing the webpage, etc., not paying attention to the surrounding traffic flow, the flow of people, etc., there is a great security risk.
  • the infrared ranging module set on the terminal in the embodiment of the present invention may be an infrared ranging sensor array, and the infrared measurement
  • the distance module can sense obstacles in front of any environment, such as insufficient light, bad weather, and the like.
  • the activation unit 11 activates the infrared ranging module on the terminal to have two conditions: the user is in the mobile state and the setting application of the user to open the terminal, therefore, the activation unit 11 detects whether the user is in the moving state, that is, whether the user's moving speed is greater than the setting.
  • the threshold value, and whether the setting application on the detection terminal is turned on, the setting application here refers to an application that requires the user to concentrate on these applications, such as answering a call, opening a game, browsing a webpage or watching a video, etc., the user starts up.
  • the application can be recorded by the terminal operating system.
  • the startup unit 11 automatically starts the infrared ranging module.
  • the adjusting unit 12 is configured to adjust the infrared ranging module according to the tilt angle of the current relative horizontal position of the terminal, so that the detecting direction axis of the infrared ranging module is parallel to the ground.
  • the setting application is enabled on the terminal
  • the user's attention is concentrated on the setting application, which is usually concentrated on the terminal display screen, and the user tilts the terminal so that the terminal display screen faces the user, and can obtain the tilt angle of the current relative horizontal position of the terminal.
  • the adjusting unit 12 adjusts the infrared ranging module according to the tilt angle: when the initial state of the infrared ranging module is started, the terminal is generally in a horizontal position, and the infrared ranging module is also in a straight line with the terminal, that is, at Horizontal position; When the user tilts the terminal, in order for the infrared ranging module to accurately and comprehensively detect the obstacle in front, the detection direction axis of the infrared ranging module needs to be parallel to the ground, and therefore, the adjustment unit 12 according to the inclination angle The infrared ranging module is adjusted to drive the infrared ranging module to rotate, so that the detection direction axis of the infrared ranging module is parallel to the ground.
  • the control unit 13 is configured to control the infrared ranging module to detect obstacles around the user and The distance between the users and/or the speed of movement of the obstacle.
  • the control unit 13 can control the infrared ranging module to detect the distance between the obstacle and the user, and the infrared technology can detect the distance and can use the existing technology, and details are not described herein.
  • the obstacle may be fixed or mobile.
  • the control unit 13 may detect the moving speed of the moving obstacle by using the infrared ranging module, which may also use the existing technology, and will not be described here.
  • the first output unit 14 is configured to output an alarm prompt to the user according to the distance and the moving speed of the user and/or the obstacle.
  • the first output unit 14 outputs an alarm prompt to the user.
  • FIG. 8 is a schematic structural diagram of another terminal according to an embodiment of the present invention.
  • the terminal 2000 includes:
  • the startup unit 21 is configured to start an infrared ranging module on the terminal when the moving speed of the user detecting the handheld terminal is greater than a set threshold and the setting application on the terminal is turned on.
  • an infrared ranging module is disposed on the terminal, as shown in FIG. 4, which is a schematic structural diagram of the terminal.
  • the handheld terminal (1) includes an infrared ranging module (2), and may further include a display screen ( 3), the speaker (4), wherein the infrared ranging module (2) framed by the dotted line further comprises an infrared ranging sensor array (5) and a driving motor (6).
  • FIG. 5 it is a schematic diagram of the composition of the infrared ranging sensor array.
  • the detection range of the infrared ranging sensor array is 60 degree cone.
  • the center of the sensor (51) coincides with the semi-elliptical short axis of the infrared ranging sensor array, and the sensor (52) and the sensor (53) are symmetrically distributed with respect to the short axis, wherein the angle between the center and the short axis is 60 degrees.
  • the sensor array can cover a 180-degree sector, and the driving motor can cover the surrounding environment when the user holds the terminal.
  • the center of the drive motor coincides with the semi-elliptical long axis of the module.
  • the infrared ranging module can also use other infrared ranging sensor arrays, which is only an example.
  • the startup unit 21 activates the infrared ranging module on the terminal with two conditions: the user is in motion The state and the user turn on the setting application of the terminal. Therefore, the activation unit 21 detects whether the user is in a moving state, that is, whether the moving speed of the user is greater than a set threshold, and whether the setting application on the terminal is turned on. The user's moving speed can be measured by the acceleration sensor in the terminal.
  • the setting application here refers to some applications that require the user's attention to focus on these applications, such as answering a call, opening a game, browsing a webpage or watching a video, etc. User-initiated applications can be recorded by the terminal operating system. When both detection conditions are satisfied, the startup unit 21 automatically activates the infrared ranging module.
  • the first obtaining unit 22 is configured to acquire a current acceleration value of the terminal and an acceleration value when the terminal is in a horizontal position.
  • the second obtaining unit 23 is configured to obtain an inclination angle of the current relative horizontal position of the terminal according to the current acceleration value and the acceleration value when the terminal is in a horizontal position.
  • FIG. 6 it is an adjustment diagram of the infrared ranging sensor array when the terminal is horizontal to tilted.
  • the acceleration sensor XYZ triaxial acceleration values are XI, Y1 and Zl, and the infrared ranging sensor array at this time It is consistent with the terminal; when the terminal is tilted, the three-axis acceleration values of the acceleration sensor are X2, Y2 and Z2, and the tilt angle of the terminal can be derived by calculating the difference of the three-axis acceleration values in the two states.
  • the adjusting unit 24 is configured to adjust the infrared ranging module according to the tilt angle of the current relative horizontal position of the terminal, so that the detecting direction axis of the infrared ranging module is parallel to the ground.
  • the tilt angle is used as an input value for adjusting the detection direction of the infrared ranging sensor array, and the adjusting unit 24 starts the motor to adjust the angle of the infrared ranging sensor array to ensure that the infrared ranging sensor array can be effectively detected.
  • the adjusted infrared ranging sensor detects that the direction axis is parallel to the ground.
  • the control unit 25 is configured to control the infrared ranging module to detect a distance between the obstacle around the user and the user and/or a moving speed of the obstacle.
  • control unit 25 The function of the control unit 25 is the same as that of the control unit 13 of the embodiment shown in Fig. 7, and will not be described again.
  • the first output unit 26 is configured to output an alarm prompt to the user according to the distance and the moving speed of the user and/or the obstacle.
  • the first output unit 26 includes a third obtaining unit 261 and a second output unit.
  • a third obtaining unit 261 configured to acquire a relative moving speed between the user and the obstacle according to a moving speed of the user and/or the obstacle, where the relative moving speed corresponds to an alarm Wide distance.
  • the second output unit 262 is configured to output an alarm prompt to the user when the distance reaches an alarm threshold distance corresponding to the relative moving speed.
  • the infrared ranging module works normally, the environment around the user is monitored in real time.
  • the handheld terminal displays an image such as the speed and orientation of the obstacle through the interface, and can also pass the speaker. Or the vibration motor reminds the user to pay attention to safety, to provide a variety of alarm prompts to improve the user experience.
  • different alarm threshold distances can be set to accurately provide the user with an alarm prompt in advance. For example, when the user encounters a fixed object and uses lm/s for normal walking speed, we set the alarm threshold distance to 5m. When the user encounters a higher speed object, such as the speed is 20m/s, we set The alarm wide distance is 30m; when the moving speed of the object is between lm/s and 20m/s, the alarm threshold distance is set to 15m.
  • the closing unit 27 is configured to close the infrared ranging module when the moving speed of the user is less than a set threshold and/or the setting application is turned off.
  • the closing unit 27 can be automatically turned off by the setting of the hand-held terminal.
  • the principle of automatic shutdown is that when the handheld terminal acceleration sensor senses that the user stops moving or the application of the handheld terminal affects the user's attention is turned off, the control drive motor automatically turns off the infrared ranging sensor array and restores its angle to the initial state.
  • the closing unit 27 can also cancel the alarm anti-collision function by the user, that is, receive the user's instruction to turn off the infrared ranging module, control the driving motor to turn off the infrared ranging sensor array, and restore the angle to the initial state.
  • FIG. 9 is a schematic structural diagram of still another terminal according to an embodiment of the present invention.
  • the terminal 3000 includes: A processor 31, a memory 32, an input device 33, an output device 34, and a bus system 35, wherein:
  • the processor 31 controls the operation of the terminal 3000, which may also be referred to as a Central Processing Unit (CPU).
  • Processor 31 may be an integrated circuit chip with signal processing capabilities.
  • the processor 31 can also be a general-purpose processor, a digital signal processing (DSP), an application specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or the like. Programmable logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • Memory 32 can include read only memory and random access memory and provides instructions and data to processor 31. A portion of memory 32 may also include non-volatile random access memory (NVRAM).
  • NVRAM non-volatile random access memory
  • bus system 35 which may be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, or an extended industry standard architecture ( Extended) Industry Standard Architecture, EISA) Bus, etc.
  • the bus may be one or more physical lines, and when it is a plurality of physical lines, it may be divided into an address bus, a data bus, a control bus, and the like.
  • the processor 31, the memory 32, and the input device 33 and the output device 34 may also be directly connected through a communication line.
  • the input device 33 can be embodied as a mouse, a keyboard, a microphone, etc.
  • the output device 34 can be embodied as a display, an audio device, and a video device.
  • the input device 33 and the output device 34 can also be implemented by an input/output device, such as a touchable screen.
  • the processor 31 reads the computer program in the memory 32 to perform the following steps: when detecting that the moving speed of the user of the handheld terminal is greater than a set threshold and the setting application on the terminal is turned on, Infrared ranging module on the terminal;
  • the processor 31 performs the step of adjusting the infrared ranging module according to the tilt angle of the current relative horizontal position of the terminal, so that the detecting direction axis of the infrared ranging module is parallel to the ground. Previously, the following steps were also performed:
  • the infrared ranging module includes a semi-elliptical infrared ranging sensor array and a motor, and the infrared ranging sensor array includes first, second, and third infrared ranging sensors.
  • a center of the first sensor coincides with a minor axis of the semi-elliptical infrared ranging sensor array
  • the second and third sensors are symmetrically distributed with respect to the short axis
  • an angle between the center and the minor axis is 60.
  • the center of the motor coincides with the long axis of the semi-elliptical infrared ranging sensor array.
  • the infrared ranging module can also use other infrared ranging sensor arrays, which is only an example.
  • the processor 31 performs the step of outputting an alarm prompt to the user according to the distance, and the moving speed of the user and/or the obstacle, including:
  • an alarm prompt is output to the user.
  • the alarm prompting method includes:
  • Image alarm prompt audible alarm prompt or vibration alarm prompt.
  • the processor 31 further performs the following steps:
  • the infrared ranging module is turned off when receiving an indication that the user turns off the infrared ranging module.
  • the computer program included in the processor 31 provided by the embodiment of the present invention may also be implemented as a startup unit, an adjustment unit, a control unit, and a first output unit.
  • the functions implemented by the four units may be referred to the foregoing embodiments, and are not described herein. Narration. It can be seen that, by using a terminal provided by the embodiment of the present invention, the infrared ranging module has better environmental adaptability, and can adaptively adjust the detection direction of the infrared ranging module, thereby minimizing the user's The potential safety risks associated with using a handheld terminal while walking prevent users from receiving accidental injuries.
  • Computer readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one location to another.
  • a storage medium may be any available media that can be accessed by a computer.
  • the computer readable medium may include a random access memory (RAM), a read-only memory (ROM), and an electrically erasable programmable read-only memory (Electrically Erasable Programmable).
  • EEPROM Electrically Error Read-Only Memory
  • CD-ROM Compact Disc Read-Only Memory
  • Any connection may suitably be a computer readable medium.
  • the software is transmitted from a website, server, or other remote source using coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), or wireless technologies such as infrared, radio, and microwave, Then coaxial cable, fiber optic cable, twisted pair, DSL or wireless technologies such as infrared, wireless and microwave are included in the fixing of the associated medium.
  • DSL Digital Subscriber Line
  • a disk and a disc include a compact disc (CD), a laser disc, a disc, a digital versatile disc (DVD), a floppy disk, and a Blu-ray disc, wherein the disc is usually magnetically copied, and the disc is The laser is used to optically replicate the data.
  • CD compact disc
  • DVD digital versatile disc
  • a floppy disk a disk and a disc
  • Blu-ray disc wherein the disc is usually magnetically copied, and the disc is The laser is used to optically replicate the data.
  • the above combination should also be included in the computer Read the protection of the medium.

Abstract

La présente invention concerne un procédé et un terminal anti-collision de mesure de distance par infrarouge, le procédé consistant à : lors de la détection selon laquelle la vitesse de déplacement de l'utilisateur d'un terminal portatif est supérieure à un seuil, et qu'une application installée sur le terminal est démarrée, activer un module de mesure de distance par infrarouge sur le terminal (S101) ; conformément à l'angle d'inclinaison courant du terminal par rapport à la position horizontale, régler le module de mesure de distance par infrarouge pour permettre à la direction de détection du module de mesure de distance par infrarouge d'être axialement parallèle à la surface du sol (S102) ; commander le module de mesure de distance par infrarouge pour détecter la distance entre l'utilisateur et des obstacles entourant l'utilisateur, et/ou la vitesse de déplacement des obstacles (S103) ; et conformément à la distance et à la vitesse de déplacement de l'utilisateur et/ou des obstacles, émettre un message d'alarme destiné à l'utilisateur (S104). L'invention concerne également un terminal correspondant. Le procédé et le terminal anti-collision de mesure de distance par infrarouge présentent une meilleure adaptabilité à l'environnement, et permettent d'ajuster de manière adaptative la direction de détection, ce qui permet de réduire considérablement le risque potentiel de sécurité lorsque l'utilisateur utilise le terminal portatif en marchant, et d'éviter une blessure accidentelle à l'utilisateur.
PCT/CN2014/077415 2014-05-14 2014-05-14 Procédé et terminal anti-collision de mesure de distance par infrarouge WO2015172321A1 (fr)

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CN201480001272.1A CN104335260B (zh) 2014-05-14 2014-05-14 一种红外测距防撞方法及终端

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Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105139576A (zh) * 2015-07-09 2015-12-09 小米科技有限责任公司 路况提示方法及装置
CN106556375A (zh) * 2015-09-25 2017-04-05 中兴通讯股份有限公司 告警方法及装置
CN105629260A (zh) * 2015-12-23 2016-06-01 吉林大学 激光测距防撞报警装置
CN107548466B (zh) * 2016-04-27 2021-07-16 华为技术有限公司 一种检测道路障碍物的方法及装置
CN106652329A (zh) * 2016-11-08 2017-05-10 厦门精图信息技术有限公司 一种保障公共安全的低头族走路防摔倒系统和方法
CN108353102B (zh) * 2016-11-15 2020-10-09 华为技术有限公司 一种障碍物提示的方法和终端设备
CN106506854A (zh) * 2016-11-29 2017-03-15 惠州Tcl移动通信有限公司 一种基于移动终端安全报警的方法及系统
CN106713639A (zh) * 2016-12-27 2017-05-24 宇龙计算机通信科技(深圳)有限公司 避障提醒方法、避障提醒装置和移动终端
CN106686290B (zh) * 2016-12-30 2018-12-04 维沃移动通信有限公司 一种基于旋转摄像头的报警方法及移动终端
CN107015231B (zh) * 2017-03-22 2021-02-19 联想(北京)有限公司 一种信息处理方法及电子设备
CN107784787A (zh) * 2017-11-22 2018-03-09 苏州岸肯电子科技有限公司 一种防撞手机
CN109391801A (zh) * 2018-12-14 2019-02-26 湖州职业技术学院 一种用于移动通讯设备的安全监测系统及方法
CN111325972B (zh) * 2018-12-17 2022-08-23 北京小米移动软件有限公司 雷达探测方法、终端及存储介质
CN109587343A (zh) * 2018-12-28 2019-04-05 贵州财富之舟科技有限公司 防碰撞的安全提醒方法、装置、计算机设备及存储介质
CN109760699A (zh) * 2019-02-12 2019-05-17 张慧琳 承压式电动车辆轨道托举系统
CN110517446A (zh) * 2019-08-28 2019-11-29 Oppo（重庆）智能科技有限公司 一种安全提示方法及可携式设备
CN111337925A (zh) * 2020-02-18 2020-06-26 Oppo广东移动通信有限公司 障碍物检测方法、装置、电子设备及存储介质
CN111327743A (zh) * 2020-04-01 2020-06-23 南京工业职业技术学院 一种智能手机障碍物预警装置
CN113093166A (zh) * 2021-04-07 2021-07-09 毕思文 一种基于压缩态光场的探测成像光学系统

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100294938A1 (en) * 2009-05-22 2010-11-25 Rachid Alameh Sensing Assembly for Mobile Device
CN102089989A (zh) * 2008-06-05 2011-06-08 苹果公司 具有基于接近性的无线电功率控制的电子设备
GB2482853A (en) * 2009-12-15 2012-02-22 Earlybird Corp Ltd Portable anti collision sensor
CN102445694A (zh) * 2011-09-20 2012-05-09 中南大学 导航机器人障碍探测方法及系统
CN102891914A (zh) * 2011-05-11 2013-01-23 深圳市福智软件技术有限公司 移动终端以及移动终端切换接听模式的方法
CN102928833A (zh) * 2011-08-10 2013-02-13 广州三星通信技术研究有限公司 用于便携式终端的防撞装置、防撞方法以及便携式终端

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100652666B1 (ko) * 2004-09-01 2006-12-06 엘지전자 주식회사 이동통신 단말기의 장애물 감지 장치 및 방법
CN102316193B (zh) * 2010-07-06 2015-05-27 希姆通信息技术（上海）有限公司 手机及导盲方法
WO2012037621A1 (fr) * 2010-09-22 2012-03-29 Victor Francisco Machay Téléphone cellulaire à fonction "mètre"
CN103327151A (zh) * 2013-07-17 2013-09-25 上海华勤通讯技术有限公司 红外导盲装置、方法及手机

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102089989A (zh) * 2008-06-05 2011-06-08 苹果公司 具有基于接近性的无线电功率控制的电子设备
US20100294938A1 (en) * 2009-05-22 2010-11-25 Rachid Alameh Sensing Assembly for Mobile Device
GB2482853A (en) * 2009-12-15 2012-02-22 Earlybird Corp Ltd Portable anti collision sensor
CN102891914A (zh) * 2011-05-11 2013-01-23 深圳市福智软件技术有限公司 移动终端以及移动终端切换接听模式的方法
CN102928833A (zh) * 2011-08-10 2013-02-13 广州三星通信技术研究有限公司 用于便携式终端的防撞装置、防撞方法以及便携式终端
CN102445694A (zh) * 2011-09-20 2012-05-09 中南大学 导航机器人障碍探测方法及系统

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