CN106408869B - Terminal and method and device for detecting human body falling - Google Patents
Terminal and method and device for detecting human body falling Download PDFInfo
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- G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
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Abstract
The invention discloses a terminal and a method for detecting human body falling, wherein the method comprises the following steps: detecting the state of a human body, and generating a falling signal when the human body is judged to be in a falling state; triggering a reminding action according to the falling signal; if the command of closing the reminding action is not acquired within the specified time, the terminal and the method and the device for detecting the human body falling of the invention send alarm information, after the terminal acquires the signal of the human body falling, the alarm information is not sent out at the first time, but the user is given a time for selecting whether to send the alarm information or not, when the falling is misjudgment or the injury caused by the falling of the user is not large, the corresponding reminding action can be selected to be closed, self rescue and other conditions can be independently completed, further the alarm information does not need to be sent out, the occurrence of false alarm condition of the existing equipment is greatly reduced, and the use experience of the user is improved.
Description
Technical Field
The invention relates to the technical field of intelligent equipment, in particular to intelligent equipment and a method and a device for intelligently detecting human body falling.
Background
With the progress of social medical treatment and the improvement of living conditions, the life of human beings is longer and longer, the elderly population is more and more, and the problem of nursing the aged is more and more concerned by people. At present, many old people fall down accidentally when going out alone, so that the events of disability and death are more and more, and the reason for the falling down is that the old people cannot be rescued in time. Therefore, it is important to design a method and a device that can find out the fall of the old man in time and inform the designated person to help the old man.
The existing equipment and algorithm for judging whether the human body falls down cannot accurately judge whether the human body falls down, so that false alarm is often caused.
Disclosure of Invention
The invention mainly aims to provide a terminal for preventing alarm information from being sent out when the human body falling is judged to be misjudgment, and a method and a device for detecting the human body falling.
In order to achieve the above object, the present invention provides a method for detecting a human body falling, including:
detecting the state of a human body, and generating a falling signal when the human body is judged to be in a falling state;
triggering a reminding action according to the falling signal;
and if the command of closing the reminding action is not acquired within the specified time, sending alarm information.
Further, the step of detecting the state of the human body and generating a fall signal when determining that the human body is in a fall state includes:
and calculating a first movement speed of the human body in the vertical direction, judging that the human body falls when the first movement speed is greater than a preset first threshold value, and acquiring the falling signal.
Further, the method for acquiring the specified time includes:
calculating a first difference between the first movement rate and a first threshold;
and searching the appointed time corresponding to the first difference value in a preset first list.
Further, the step of detecting the state of the human body and generating a fall signal when determining that the human body is in a fall state includes:
acquiring the change condition of the motion state of the human body, and judging whether the human body falls down;
and if so, acquiring a falling signal of the human body when the human body falls.
Further, the method for acquiring the motion state of the human body comprises the following steps:
acquiring a second movement speed of the human body in the horizontal direction;
and judging the motion state of the human body according to the second movement rate.
Further, the method for determining that the human body is falling comprises the following steps:
obtaining the change rate of the second moving speed;
and when the change rate is greater than a preset second threshold value, judging that the human body falls down.
Further, the method for acquiring the specified time includes:
calculating a second difference between the second movement rate and a second threshold;
and searching the appointed time corresponding to the second difference value in a preset second list.
Further, the step of acquiring the motion state of the human body includes:
acquiring position information of a human body, and judging the motion environment of the human body according to the position information;
and acquiring the swing arm frequency of the human body, and judging the motion state of the human body according to the swing arm frequency and the motion environment.
Further, the reminding action comprises: the terminal sends out vibration action, sends out action of appointed light and/or sends out action of appointed sound.
Further, the step of sending the alarm information includes:
dialing a preset user telephone, sending preset text content to a specified terminal and/or sending current position information to the specified terminal.
The invention also provides a device for detecting human body falling, comprising:
the acquiring unit is used for detecting the state of the human body and generating a falling signal when the human body is judged to be in a falling state;
the triggering unit is used for triggering a reminding action according to the falling signal;
and the alarm unit is used for sending alarm information if the command of closing the reminding action is not acquired within the specified time.
Further, the acquiring unit includes:
the first obtaining module is used for calculating a first moving speed of the human body in the vertical direction, judging that the human body falls when the first moving speed is larger than a preset first threshold value, and obtaining the falling signal.
Further, the alarm unit includes:
a first calculation module, configured to calculate a first difference between the first movement rate and a first threshold;
and the first searching module is used for searching the appointed time corresponding to the first difference value in a preset first list.
Further, the acquiring unit includes:
the first judgment module is used for acquiring the change condition of the motion state of the human body and judging whether the human body falls down;
and the second acquisition module is used for acquiring a falling signal of the human body if the first judgment module judges that the human body falls.
Further, the first determining module includes:
the first obtaining submodule is used for obtaining a second moving speed of the human body in the horizontal direction;
and the first judgment submodule is used for judging the motion state of the human body according to the second movement rate.
Further, the second obtaining module includes:
a second obtaining submodule, configured to obtain a change rate of the second moving rate;
and the second judgment submodule is used for judging that the human body falls down when the change rate is greater than a preset second threshold value.
Further, the alarm unit includes:
a second calculation module for calculating a second difference between the rate of change and a second threshold;
and the second searching module is used for searching the appointed time corresponding to the second difference value in a preset second list.
Further, the first determining module includes:
the first acquisition and judgment submodule is used for acquiring the position information of the human body and judging the motion environment of the human body according to the position information;
and the second acquisition and judgment submodule is used for acquiring the swing arm frequency of the human body and judging the motion state of the human body according to the swing arm frequency and the motion environment.
Further, the trigger unit includes:
the vibration module is used for sending out vibration action;
the light emitting module is used for emitting a specified light action; and/or the presence of a gas in the gas,
and the pronunciation module is used for sending out the appointed voice action.
Further, the alarm unit includes:
the dialing module is used for dialing a preset user telephone;
the text sending module is used for sending preset text contents to a specified terminal; and/or the presence of a gas in the gas,
and the sending position module is used for sending the current position information to the appointed terminal.
The invention also provides a terminal, which comprises a processor and a memory;
the memory is used for storing a program for supporting the human body fall detection device to execute the human body fall detection method;
the processor is configured to execute programs stored in the memory.
According to the terminal and the method and the device for detecting the human body falling, after the terminal acquires a signal of the human body falling, the alarm information can not be sent out at the first time, the user is given a time for selecting whether to send the alarm information or not, when the falling is misjudgment or the injury caused by the falling of the user is not large, the self-rescue and other conditions can be independently completed, the corresponding reminding action can be selected to be closed, the alarm information does not need to be sent, the occurrence of false alarm of the existing equipment is greatly reduced, and the use experience of the user is improved.
Drawings
Fig. 1 is a flowchart illustrating a method for detecting a human fall according to an embodiment of the invention;
fig. 2 is a flowchart illustrating a method for detecting a human fall according to an embodiment of the invention;
fig. 3 is a schematic block diagram of a device for detecting a human fall according to an embodiment of the present invention;
FIG. 4 is a block diagram of a trigger unit according to an embodiment of the present invention;
FIG. 5 is a block diagram schematically illustrating the structure of an alarm unit according to an embodiment of the present invention;
FIG. 6 is a block diagram illustrating a schematic structure of an obtaining unit according to an embodiment of the present invention;
FIG. 7 is a block diagram schematically illustrating the structure of an alarm unit according to an embodiment of the present invention;
FIG. 8 is a block diagram schematically illustrating the structure of an acquiring unit according to another embodiment of the present invention;
FIG. 9 is a block diagram illustrating a first determining module according to an embodiment of the present invention;
FIG. 10 is a block diagram illustrating a second obtaining module according to an embodiment of the present invention;
FIG. 11 is a block diagram schematically illustrating the structure of an alarm unit according to another embodiment of the present invention;
fig. 12 is a smart watch according to an embodiment of the invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
As will be understood by those skilled in the art, the terminal herein refers to an electronic device such as a smart phone or a smart watch, which has a function of detecting a human body falling.
Referring to fig. 1, an embodiment of the present invention provides a method for detecting a human fall, including:
s1, detecting the state of the human body, and generating a falling signal when the human body is judged to be in a falling state;
s2, triggering a reminding action according to the falling signal;
and S3, if the command of closing the reminding action is not acquired within the specified time, sending alarm information.
As described in the step S1, the device for detecting the human body state may be an electronic device, such as a smart watch or a smart phone, which can detect that the human body falls down. The method for acquiring the human body falling signal comprises various methods, and any method for detecting the falling of the human body in the prior art can be used for acquiring the human body falling signal.
As described in the above step S2, the above reminding actions generally include a vibration action by the terminal, an action of emitting a specific light, and/or an action of emitting a specific sound, etc., that is, when the terminal detects that the human body falls, the reminding action of the terminal starts to work, and the reminding action is used to remind the user to know that the terminal worn by the user judges that the user has fallen.
As described in step S3, the specified time is a preset time interval or a time interval generated according to some specific conditions. For example, if the specified time is 10 seconds, when the reminding action is not closed within 10 seconds, the alarm information is sent out, and when the reminding action is closed within 10 seconds, the alarm information is not sent out; for example, the falling signals are classified into classes, the higher the class is, the more serious the falling condition of the human body is, the designated time can be generated according to the class of the falling signals, for example, the falling signal is classified into one class, the designated time can be 20 seconds, and if the falling information number is classified into five classes, the designated time can be 5 seconds, so that the user can be better helped, the false alarm condition can be avoided, and meanwhile, the probability of being rescued in time after falling can be improved. The step of sending the alarm information may be to dial a preset user phone call, send preset text content to an appointed terminal, and/or send current position information to an appointed terminal. The preset user telephone can be a 110 alarm telephone, can also be a family telephone of the user, can also be preset with a plurality of telephone numbers, and can be dialed according to a preset sequence, for example, the alarm telephone is selected as a first 110 alarm telephone, when the alarm telephone is not answered by any person, a second selected telephone is dialed, and so on, when all the telephones are not answered by any person, the preset telephone is circularly dialed until the alarm telephone is reached. The text content can be short message information, mail and other contents. The position information is generally information of a current position shared by the user, and the like, so that the family of the user can find the user quickly. Certainly, the user can also share the instant position information at regular time, and after the user is rescued by other people and moves, the family of the user can still find the user quickly.
In this embodiment, the step S1 of detecting the state of the human body and generating a fall signal when determining that the human body is in the fall state includes:
s111, calculating a first movement speed of the human body in the vertical direction, judging that the human body falls when the first movement speed is larger than a preset first threshold value, and acquiring the falling signal.
As described in step S111, when the human body falls, a large moving speed is generally generated in the vertical direction, so that the moving speed in the vertical direction can more accurately reflect whether the human body falls. The preset first threshold is generally a critical value, and when the first moving speed is smaller than the first threshold, it indicates that the human body has not fallen, and when the first moving speed is larger than the first threshold, it indicates that the human body has fallen. The first threshold may be set to an empirical value obtained through a large number of simulation tests.
In this embodiment, the method for acquiring the specified time includes:
s311, calculating a first difference value between the first moving speed and a first threshold;
s312, searching the appointed time corresponding to the first difference value in a preset first list.
As described in steps S311 and S312, the difference between the first moving rate and the first threshold may reflect the severity of the human body falling, for example, the injury level of the user falling while walking may be lower than the injury level of the user falling while running, and the first moving rate of the user falling while walking is obviously lower than the first moving rate of the user falling while running. A first list may be preset according to the empirical value, where the first list is provided with first differences of different time intervals, and the different time intervals correspond to different specified times. When the human body falls down, the corresponding appointed time is searched in the first list according to the first difference, the action reminding time can be reasonably set, so that the user can be helped better, the condition of false alarm can be avoided, and meanwhile, the user can be rescued in time after falling down.
In another embodiment, the step S1 of detecting the state of the human body and generating a fall signal when determining that the human body is in the fall state includes:
s121, obtaining the change condition of the motion state of the human body and judging whether the human body falls down;
and S122, if so, acquiring a falling signal of the human body.
As described in the above steps S121 and S122, the above motion states include slow walking, slow running, fast running, sitting and standing motion states, and different motion states, the method for determining a fall is generally different, for example, the fall determination method for a standing still state and a fast running state of a human body is generally different. The method for acquiring the motion state of the human body generally comprises the following steps: acquiring a second movement speed of the human body in the horizontal direction; and judging the motion state of the human body according to the second movement rate. The horizontal movement speed of the human body may reflect the motion state of the human body, for example, when the second movement rate is small, it may be determined that the human body is in a jogging state, when the second movement rate is large, it may be determined that the human body is in a jogging or fast running motion state, and when the second movement rate is zero, it may be determined that the user is in a sitting or standing still motion state, or the like. The second movement rate may be obtained by an acceleration sensor, or may be obtained by combining a GPS sensor and the like. In other embodiments, the step of obtaining the motion state of the human body may also be to obtain position information of the human body, and determine the motion environment of the human body according to the position information; and acquiring the swing arm frequency of the human body, and judging the motion state of the human body according to the swing arm frequency and the motion environment. . That is to say, the environment where the human body is located, such as a park and a school, can be judged according to the position of the human body, then the swing arm frequency, the swing arm amplitude and the like of the human body can be obtained through the smart watch, the smart bracelet and the smart ring, and the motion state of the human body can also be judged by combining the two.
In this embodiment, the method for determining that a human body falls includes: obtaining the change rate of the second moving speed; and when the change rate is greater than a preset second threshold value, judging that the human body falls down. The second moving speed is a speed in the horizontal direction, and when the person falls, the reaction can be performed by the changing rate of the second moving speed. For example, when the user runs, the second movement rate is larger, when the user falls, the second movement rate is suddenly increased, then the second movement rate is rapidly decreased, the change rate of the second movement rate is larger, and at this time, if the change rate is larger than a preset second threshold, it can be determined that the human body falls. The second threshold value may be set by an empirical value obtained through a large number of experiments.
In this embodiment, the method for acquiring the specified time includes:
s321, calculating a second difference value between the change rate and a second threshold value;
and S322, searching the appointed time corresponding to the second difference value in a preset second list.
As described in the above steps S321 and S322, the magnitude of the difference between the above change rate and the first threshold can reflect the severity of the situation when the human body falls, for example, the change rate caused by falling when the user walks slowly is obviously smaller than the change rate caused by falling when the user runs. A second list may be preset according to the empirical value, where the second list is provided with second differences of different time intervals, and the different time intervals correspond to different specified times. When the human body falls down, the corresponding appointed time is searched in the second list according to the second difference value, the action reminding time can be reasonably carried out, so that the user can be better helped, the condition of false alarm can be avoided, and meanwhile, the probability of timely rescue after falling down can be improved.
Referring to fig. 2, in a specific embodiment, the terminal is a smart watch, and the process of determining that a human body falls includes:
judging the motion state of the human body according to the position of the intelligent watch and the swinging condition of the arm, or according to the second movement rate of the human body in the horizontal direction;
according to the motion state, calling a corresponding falling algorithm, wherein the falling algorithm is a preset logic judgment method for judging the falling of the human body, and different motion states generally have a corresponding set of logic judgment methods for judging the falling of the human body;
when the user falls down is judged through a corresponding algorithm, starting a reminding action; according to the difference value between the judgment value (such as the first moving speed or the change rate) and the preset threshold value, referring to the appointed time corresponding to the difference value in a preset list;
in a specified time, the intelligent watch sends reminding actions such as sound-light vibration and the like to remind a user that the intelligent watch judges that the user falls down, and if the user does not fall down or the injury condition after falling down does not need to be alarmed within a controllable range, the reminding actions can be closed, so that the intelligent watch does not send alarm information; if the user falls down, the injury is serious or is coma, the reminding action is not required to be closed, the alarm information is sent after the appointed time, the alarm information generally sends a short message and positioning information, and the alarm telephone 110 is simultaneously dialed, or preset family telephone numbers are dialed, and the like, so that the user can be helped in time.
According to the method for detecting the human body falling, after the terminal acquires a signal of the human body falling, the alarm information can not be sent out at the first time, the user is given a time for selecting whether to send the alarm information or not, when the falling is misjudged or the injury caused by the falling of the user is not large, the user can independently complete self-rescue and other conditions, the corresponding reminding action can be selected to be closed, further the alarm information does not need to be sent, the occurrence of false alarm of the existing equipment is greatly reduced, and the use experience of the user is improved.
Referring to fig. 3 to 5, an embodiment of the present invention further provides a device for detecting a human fall, including:
the acquiring unit 10 is used for detecting the state of the human body and generating a falling signal when the human body is judged to be in a falling state;
the triggering unit 20 is used for triggering a reminding action according to the falling signal;
and the alarm unit 30 is configured to send alarm information if a command for closing the reminder action is not obtained within a specified time.
As the acquiring unit 10, the device for detecting the human body state may be an electronic device such as a smart watch or a smart phone, which can detect the fall of the human body. The method for acquiring the human body falling signal comprises various methods, and any method for detecting the falling of the human body in the prior art can be used for acquiring the human body falling signal.
As the triggering unit 20, the reminding action generally includes a vibration action sent by the vibration module 21, an action of sending a designated light by the light emitting module 22, and/or an action of sending a designated sound by the sound emitting module 23, and the like, that is, when the terminal detects that the human body falls, the vibration module 21, the light emitting module 22, the sound emitting module 23, and the like of the terminal work to send a reminding action, and the reminding action is used for reminding the user to know that the terminal worn by the user judges that the user has fallen.
The specified time is a preset time interval or a time interval generated according to some specific conditions, as in the alarm unit 30. For example, if the specified time is 10 seconds, when the reminding action is not closed within 10 seconds, the alarm information is sent out, and when the reminding action is closed within 10 seconds, the alarm information is not sent out; for example, the falling signals are classified into classes, the higher the class is, the more serious the falling condition of the human body is, the designated time can be generated according to the class of the falling signals, for example, the falling signal is classified into one class, the designated time can be 20 seconds, and if the falling information number is classified into five classes, the designated time can be 5 seconds, so that the user can be better helped, the false alarm condition can be avoided, and meanwhile, the probability of being rescued in time after falling can be improved. The above alarm unit generally includes: a dialing module 31, configured to dial a preset user telephone; a text sending module 32, configured to send preset text content to a designated terminal; and/or a sending location module 33, configured to send the current location information to the specified terminal. The preset user telephone can be a 110 alarm telephone, can also be a family telephone of the user, can also be preset with a plurality of telephone numbers, and can be dialed according to a preset sequence, for example, the alarm telephone is selected as a first 110 alarm telephone, when the alarm telephone is not answered by any person, a second selected telephone is dialed, and so on, when all the telephones are not answered by any person, the preset telephone is circularly dialed until the alarm telephone is reached. The text content can be short message information, mail and other contents. The position information is generally information of a current position shared by the user, and the like, so that the family of the user can find the user quickly. Certainly, the user can also share the instant position information at regular time, and after the user is rescued by other people and moves, the family of the user can still find the user quickly.
Referring to fig. 6, in this embodiment, the obtaining unit 10 includes:
the first obtaining module 111 is configured to calculate a first movement rate of the human body in the vertical direction, determine that the human body falls when the first movement rate is greater than a preset first threshold, and obtain the fall signal.
As the first obtaining module 111, when a human body falls down, a large moving speed generally occurs in the vertical direction, so that the moving speed in the vertical direction can more accurately reflect whether the human body falls down. The preset first threshold is generally a critical value, and when the first moving speed is smaller than the first threshold, it indicates that the human body has not fallen, and when the first moving speed is larger than the first threshold, it indicates that the human body has fallen. The first threshold may be set to an empirical value obtained through a large number of simulation tests.
Referring to fig. 7, in this embodiment, the alarm sheet 30 includes:
a first calculating module 311, configured to calculate a first difference between the first moving rate and a first threshold;
a first searching module 312, configured to search the preset first list for the specified time corresponding to the first difference.
As the first calculating module 311 and the first searching module 312, the difference between the first moving speed and the first threshold may reflect the severity of the human body falling, for example, the injury degree of the user falling during jogging may be smaller than the injury degree of the user falling during running, and the first moving speed caused by the user falling during jogging is obviously smaller than the first moving speed caused by the user falling during running. A first list may be preset according to the empirical value, where the first list is provided with first differences of different time intervals, and the different time intervals correspond to different specified times. When the human body falls down, the corresponding appointed time is searched in the first list according to the first difference, the action reminding time can be reasonably set, so that the user can be helped better, the condition of false alarm can be avoided, and meanwhile, the user can be rescued in time after falling down.
Referring to fig. 8 and 9, in another embodiment, the obtaining unit 10 includes:
the first judging module 121 is configured to acquire a change condition of a motion state of a human body and judge whether the human body falls down;
a second obtaining module 122, configured to obtain a signal of falling if the first determining module determines that the human body falls.
As the first determining module 121 and the second obtaining module 122, the motion states include slow walking, slow running, fast running, sitting, standing, and the like, and different motion states generally have different methods for determining a fall, for example, the fall determining method for a standing still state and a fast running state of a human body generally differs. The first determining module 121 generally includes: a first obtaining submodule 1211 configured to obtain a second moving rate of the human body in the horizontal direction; and the first judging submodule 1212 is configured to judge the motion state of the human body according to the second movement rate. The horizontal movement speed of the human body may reflect the motion state of the human body, for example, when the second movement rate is small, it may be determined that the human body is in a jogging state, when the second movement rate is large, it may be determined that the human body is in a jogging or fast running motion state, and when the second movement rate is zero, it may be determined that the user is in a sitting or standing still motion state, or the like. In this embodiment, the first determining module 121 may further include a first obtaining and determining sub-module, configured to obtain position information of the human body, and determine the motion environment of the human body according to the position information; and the second acquisition and judgment submodule is used for acquiring the swing arm frequency of the human body and judging the motion state of the human body according to the swing arm frequency and the motion environment. The second movement rate may be obtained by an acceleration sensor, or may be obtained by combining a GPS sensor and the like. In other embodiments, the step of obtaining the motion state of the human body may also be to judge the motion state of the human body for obtaining the position information of the human body and the swing arm condition of the human body. That is to say, the environment where the human body is located, such as a park and a school, can be judged according to the position of the human body, then the swing arm frequency, the swing arm amplitude and the like of the human body can be obtained through the smart watch, the smart bracelet and the smart ring, and the motion state of the human body can also be judged by combining the two.
In this embodiment, the second obtaining module 122 includes:
a second obtaining sub-module 1221, configured to obtain a change rate of the second moving rate;
and a second determining submodule 1222, configured to determine that the human body falls when the change rate is greater than a preset second threshold.
As with the second acquisition submodule 1221 and the second determination submodule 1222 described above, the second movement rate is a rate in the horizontal direction, and when the person falls, a reaction can be made by a rate of change of the second movement rate. For example, when the user runs, the second movement rate is larger, when the user falls, the second movement rate is suddenly increased, then the second movement rate is rapidly decreased, the change rate of the second movement rate is larger, and at this time, if the change rate is larger than a preset second threshold, it can be determined that the human body falls. The second threshold value may be set by an empirical value obtained through a large number of experiments.
In this embodiment, the alarm unit 30 includes:
a second calculating module 321, configured to calculate a second difference between the change rate and a second threshold;
a second searching module 322, configured to search the preset second list for the specified time corresponding to the second difference.
As the second calculating module 321 and the second searching module 322, the magnitude of the difference between the change rate and the first threshold can reflect the severity of the human body falling, for example, the change rate caused by falling when the user walks slowly is obviously smaller than the change rate caused by falling when the user runs. A second list may be preset according to the empirical value, where the second list is provided with second differences of different time intervals, and the different time intervals correspond to different specified times. When the human body falls down, the corresponding appointed time is searched in the second list according to the second difference value, the action reminding time can be reasonably carried out, so that the user can be better helped, the condition of false alarm can be avoided, and meanwhile, the probability of timely rescue after falling down can be improved.
Referring to fig. 2, in a specific embodiment, the terminal is a smart watch, and the process of determining that a human body falls includes:
judging the motion state of the human body according to the position of the intelligent watch and the swinging condition of the arm, or according to the second movement rate of the human body in the horizontal direction;
calling a corresponding falling algorithm according to the motion state, wherein the falling algorithm is a preset method for judging whether the human body falls, and different motion states generally have a corresponding set of methods for judging whether the human body falls;
when the user falls down is judged through a corresponding algorithm, starting a reminding action; according to the difference value between the judgment value (such as the first moving speed or the change rate) and the preset threshold value, referring to the appointed time corresponding to the difference value in a preset list;
in a specified time, the intelligent watch sends reminding actions such as sound-light vibration and the like to remind a user that the intelligent watch judges that the user falls down, and if the user does not fall down or the injury condition after falling down does not need to be alarmed within a controllable range, the reminding actions can be closed, so that the intelligent watch does not send alarm information; if the user falls down, the injury is serious or is coma, the reminding action is not required to be closed, the alarm information is sent after the appointed time, the alarm information generally sends a short message and positioning information, and the alarm telephone 110 is simultaneously dialed, or preset family telephone numbers are dialed, and the like, so that the user can be helped in time.
According to the device for detecting the human body falling, after the terminal acquires a signal of the human body falling, the alarm information can not be sent out at the first time, the user is given a time for selecting whether to send the alarm information or not, when the falling is misjudged or the injury caused by the falling of the user is not large, the user can independently complete self-rescue and other conditions, the corresponding reminding action can be selected to be closed, the alarm information does not need to be sent, the occurrence of false alarm of the existing equipment is greatly reduced, and the use experience of the user is improved.
Referring to fig. 12, an embodiment of the present invention further provides a terminal, including a processor and a memory, where the memory is used to store a program for supporting the human body fall detection apparatus to execute the human body fall detection method; the processor is configured to execute programs stored in the memory.
For convenience of explanation, only the parts related to the embodiments of the present invention are shown, and details of the specific techniques are not disclosed. The terminal may be any terminal device including a mobile phone, a tablet computer, a PDA (Personal digital assistant), a POS (Point of Sales), a vehicle-mounted computer, etc., taking the terminal as the mobile phone as an example:
fig. 12 is a block diagram showing a partial structure of a cellular phone related to a terminal provided by an embodiment of the present invention. Referring to fig. 12, the cellular phone includes: radio Frequency (RF) circuitry 1212, memory 1220, input unit 1230, display unit 1240, sensors 1250, audio circuitry 1260, wireless fidelity (WiFi) module 1270, processor 1280, and power supply 1290. Those skilled in the art will appreciate that the handset configuration shown in fig. 12 is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The following describes each component of the mobile phone in detail with reference to fig. 12:
the RF circuit 1210 is configured to receive and transmit signals during information transmission and reception or during a call, and in particular, receive downlink information of a base station and then process the received downlink information to the processor 1280; in addition, the data for designing uplink is transmitted to the base station. In general, the RF circuit 1210 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like. In addition, the RF circuit 1210 may also communicate with networks and other devices via wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to global system for Mobile communications (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), email, Short Messaging Service (SMS), and the like.
The memory 1220 may be used to store software programs and modules, and the processor 1280 executes various functional applications and data processing of the mobile phone by operating the software programs and modules stored in the memory 1220. The memory 1220 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 1220 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The input unit 1230 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the cellular phone. Specifically, the input unit 1230 may include a touch panel 1231 and other input devices 1232. The touch panel 1231, also referred to as a touch screen, can collect touch operations of a user (e.g., operations of the user on or near the touch panel 1231 using any suitable object or accessory such as a finger, a stylus, etc.) thereon or nearby, and drive the corresponding connection device according to a preset program. Alternatively, the touch panel 1231 may include two portions, a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, and sends the touch point coordinates to the processor 1280, and can receive and execute commands sent by the processor 1280. In addition, the touch panel 1231 may be implemented by various types such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. The input unit 1230 may include other input devices 1232 in addition to the touch panel 1231. In particular, other input devices 1232 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like.
The display unit 1240 may be used to display information input by the user or information provided to the user and various menus of the cellular phone. The Display unit 1240 may include a Display panel 1241, and optionally, the Display panel 1241 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like. Further, touch panel 1231 can overlay display panel 1241, and when touch panel 1231 detects a touch operation thereon or nearby, the touch panel 1231 can transmit the touch operation to processor 1280 to determine the type of the touch event, and then processor 1280 can provide a corresponding visual output on display panel 1241 according to the type of the touch event. Although in fig. 12, the touch panel 1231 and the display panel 1241 are implemented as two independent components to implement the input and output functions of the mobile phone, in some embodiments, the touch panel 1231 and the display panel 1241 may be integrated to implement the input and output functions of the mobile phone.
The cell phone may also include at least one sensor 1250, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display panel 1241 according to the brightness of ambient light, and the proximity sensor may turn off the display panel 1241 and/or the backlight when the mobile phone moves to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the posture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured on the mobile phone, further description is omitted here.
WiFi belongs to short-distance wireless transmission technology, and the mobile phone can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the WiFi module 1270, and provides wireless broadband internet access for the user. Although fig. 12 shows the WiFi module 1270, it is understood that it does not belong to the essential constitution of the handset, and may be omitted entirely as needed within the scope not changing the essence of the invention.
The processor 1280 is a control center of the mobile phone, connects various parts of the entire mobile phone by using various interfaces and lines, and performs various functions of the mobile phone and processes data by operating or executing software programs and/or modules stored in the memory 1220 and calling data stored in the memory 1220, thereby performing overall monitoring of the mobile phone. Optionally, processor 1280 may include one or more processing units; preferably, the processor 1280 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It is to be appreciated that the modem processor described above may not be integrated into the processor 1280.
The handset also includes a power supply 1290 (e.g., a battery) for powering the various components, and preferably, the power supply may be logically connected to the processor 1280 via a power management system, so that the power management system may manage the charging, discharging, and power consumption.
Although not shown, the mobile phone may further include a camera, a bluetooth module, etc., which are not described herein.
Referring to fig. 12, in the embodiment of the present invention, the processor 1280 included in the terminal further has the following functions:
detecting the state of a human body, and generating a falling signal when the human body is judged to be in a falling state;
triggering a reminding action according to the falling signal;
and if the command of closing the reminding action is not acquired within the specified time, sending alarm information.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
It will be understood by those skilled in the art that all or part of the steps in the method for implementing the above embodiments may be implemented by hardware that is instructed to implement by a program, and the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A method of detecting a fall in a human, comprising:
detecting the state of a human body, and generating a falling signal when the human body is judged to be in a falling state;
triggering a reminding action according to the falling signal;
if the command for closing the reminding action is not acquired within the specified time, alarm information is sent out; the alarm information is a short message and positioning information;
the step of detecting the state of the human body and generating a falling signal when judging that the human body is in a falling state comprises the steps of,
calculating a first moving speed of the human body in the vertical direction, judging that the human body falls when the first moving speed is greater than a preset first threshold value, and acquiring a falling signal;
calculating a first difference between the first movement rate and a first threshold;
and searching the appointed time corresponding to the first difference value in a preset first list.
2. The method for detecting human body falls according to claim 1, wherein the step of detecting the state of the human body and generating a fall signal when the human body is determined to be in the fall state comprises:
acquiring the change condition of the motion state of the human body, and judging whether the human body falls down;
and if so, acquiring a falling signal of the human body.
3. A method of detecting a human fall according to claim 2, wherein the method of obtaining a motion state of the human body comprises:
acquiring a second movement speed of the human body in the horizontal direction;
and judging the motion state of the human body according to the second movement rate.
4. An apparatus for detecting a fall in a human body, comprising:
the acquiring unit is used for detecting the state of the human body and generating a falling signal when the human body is judged to be in a falling state;
the triggering unit is used for triggering a reminding action according to the falling signal;
the alarm unit is used for sending alarm information if the command for closing the reminding action is not acquired within the specified time; the alarm information is a short message and positioning information;
the acquisition unit includes: the first obtaining module is used for calculating a first moving speed of the human body in the vertical direction, judging that the human body falls when the first moving speed is greater than a preset first threshold value, and obtaining the falling signal;
the alarm unit includes: a first calculation module, configured to calculate a first difference between the first movement rate and a first threshold; and the first searching module is used for searching the appointed time corresponding to the first difference value in a preset first list.
5. The apparatus for detecting a human fall according to claim 4, wherein the obtaining unit comprises:
the first judgment module is used for acquiring the change condition of the motion state of the human body and judging whether the human body falls down;
and the second acquisition module is used for acquiring a falling signal of the human body if the first judgment module judges that the human body falls.
6. A terminal comprising a processor and a memory;
the memory is used for storing a program for supporting the human fall detection apparatus to execute the human fall detection method of any one of claims 1 to 3;
the processor is configured to execute programs stored in the memory.
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| CN108765875A (en) * | 2018-08-03 | 2018-11-06 | 平邑紫雅装饰有限公司 | Old people safety monitoring method, device and system based on smart band |
| CN109064712A (en) * | 2018-09-07 | 2018-12-21 | 重庆医科大学 | A kind of monitoring warning device and method for early warning for the monitoring of the elderly's sleep heart rate |
| US20230047041A1 (en) * | 2021-08-10 | 2023-02-16 | International Business Machines Corporation | User safety and support in search and rescue missions |
| CN114333236A (en) * | 2021-12-27 | 2022-04-12 | 杭州电子科技大学 | Tumble injury determination method and system |
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