CN110390799A - A kind of monitoring abnormal state positioning alarm system for specific crowd - Google Patents
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Classifications
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- 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
- G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
- G08B21/0438—Sensor means for detecting
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- 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
- G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
- G08B21/0438—Sensor means for detecting
- G08B21/0446—Sensor means for detecting worn on the body to detect changes of posture, e.g. a fall, inclination, acceleration, gait
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Abstract
The invention discloses a kind of monitoring abnormal state positioning alarm systems for specific crowd, including first detection module, the second detection module, processor, locating module, mechanical switch button, alarm modules.Display, communication module and smart machine；The first detection module is used for three shaft angle degree of real-time detection and 3-axis acceleration；Second detection module is for detection X/Y twin shaft offset in high precision；This system have stronger transplantability, it is low in energy consumption, have a wide range of application, without distance limitation, at low cost, high reliability；After detecting that old man falls down, guardian will get the location information of old man in the shortest time, and convenient for being rescued with most fast speed, injury is preferably minimized.Old man's monitoring abnormal state locating alarm provides guarantee for the safety of old man, has good economic value and social value.
Description
Technical field
The invention belongs to monitor positioning field, it is related to a kind of specific crowd Condition Monitoring Technology, it is specifically a kind of for spy
Determine the monitoring abnormal state positioning alarm system of crowd.
Background technique
The country pays much attention to senior health and fitness's problem, and there are also the products such as monitoring old man's heart, but about Falls Among Old People
The research of state-detection is also fewer.The major way that detection human body is fallen at present has image/video analytic approach, environmental variance point
Analysis method and wearable analytic approach.Image/video analytic approach usually installs multiple video cameras in the scope of activities of old man, leads to
It crosses specific image processing method and judges whether old man falls.But there are some problems such as video cameras to supervise for the system
Certain range is surveyed, while there are the privacies that certain dead angle and video monitoring can also expose old man for video camera.
Environmental variance formula analytic approach be in a limited space in installation one or more sensors to monitor the variation of environment,
And the body and posture information of human body are analyzed accordingly, common sensor includes microphone, infrared sensor, vibration, audio frequency etc..
Also it a variety of environmental sensors be can use be combined with each other and data are acquired, as the foundation determined of falling.Environmental variance formula
The characteristics of analytic approach is that sensor fixation is carried out fall detection indoors, its advantage is that being not necessarily to wearing, the daily work to old man
It is dynamic influence it is smaller, and use and non-picture data, not expose old man privacy.The disadvantage is that the higher cost of system, prison
Survey region have limitation, be easily protected from environmental thus rate of false alarm it is higher.
Lot of domestic and foreign researcher is dedicated to studying better Falls Among Old People monitoring device at present, but existing old man falls
Monitor that there is also many problems, such as due to higher using single-sensor wrong report, rate of failing to report；The complexity of fall detection algorithm
Property；Only judge that Falls Among Old People there is no the posture of Falls Among Old People；It cannot be in time by the state of old man and location information notification
The problems such as family members.In order to solve this technical problem, a solution is now provided.
Summary of the invention
The purpose of the present invention is to provide a kind of monitoring abnormal state positioning alarm systems for specific crowd.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of monitoring abnormal state positioning alarm system for specific crowd, including first detection module, the second detection
Module, processor, locating module, mechanical switch button, alarm modules.Display, communication module and smart machine；
Wherein, the first detection module is used for three shaft angle degree of real-time detection and 3-axis acceleration；
Second detection module is for detection X/Y twin shaft offset in high precision；
The first detection module is to human body attitude judgment step specifically:
Step 1: position is in as origin using wearer, establishes cartesian space coordinate system；
Step 2: being judged based on three shaft angle degree and 3-axis acceleration, specific as follows:
S1: under normal walking state, wearer has following numerical characteristic: XY axis in the horizontal direction, there is normal acceleration, Z
For axis in vertical direction, partial act has normal acceleration, and partial act is, sits and lie；Normal acceleration refers at acceleration
In the acceleration in preset range；
S2: tumble state includes: that vertical tumble and parabola are fallen down, and vertical to fall to occur when fainting, parabola is fallen
Appearance when to be hit, numerical characteristic are respectively as follows:
SS1: vertically fall down: in the of short duration time, X-axis or Y-axis become vertical direction from horizontal direction, and state is front at this time
It falls down to the ground or side falls down to the ground；No acceleration or the acceleration for having remote super normal acceleration value, the acceleration of remote super normal acceleration value
The difference for referring to the acceleration and normal acceleration is greater than preset value；No acceleration refers to user on earth and falls down to the ground without spin, remote super
The acceleration of normal value falls down to the ground to fall down to the ground for user's rotation；Z axis becomes horizontal direction from vertical direction, and Z axis is larger compared with high acceleration
Acceleration indicates that acceleration value is greater than normal acceleration value；
SS2: parabola is fallen down: in the short time, X-axis or Y-axis become vertical direction from horizontal direction, and user is in front at this time
It falls down to the ground or side falls down to the ground, there is the acceleration for being far more than normal acceleration value, which is adding for the horizontal direction caused by hitting
Speed；Z axis becomes horizontal direction from vertical direction, and Z axis has the first up and then down or one direction of remote super normal acceleration value downward
Acceleration.
Step 3: the feature based on step 2, when in first detection module to three axis directions and 3-axis acceleration of human body
Judged, when determining user and falling down to the ground, then generates first and fall down to the ground signal；
First signal that falls down to the ground is transferred to processor, the place when generation first falls down to the ground signal by the first detection module
Reason device transmits check signal to the second detection module when receive first detection module transmission first falls down to the ground signal；Described
Two detection modules receive the check signal of processor transmission, and enter human body attitude judgment step, specific judgment step are as follows:
S10: the second detection module is responsible for accurately identifying and confirming the state of falling down, and falls down posture and its identification method is specific
Are as follows:
S11: when the second detection module detects that horizontal direction has the direction X/Y offset, and the offset is fixed, sentence
The state of falling down for determining user is comatose state；The judgement when the second detection module detects the offset cyclically-varying of the direction X/Y
User's falls down state as state of moaning and twitch；
S20: based on the related determination method in step S10, after the check signal for receiving processor transmission, the second inspection
It surveys module and itself detection direction is adapted to horizontal position according to first detection module data, and start to monitor in a period of time
Wearer's posture feature in above-mentioned S11, when detecting that user is in stupor, groan and twitch state, it is believed that at wearer
In the state fallen and can not stood up and generate alarm confirmation signal；
For being transmitted to processor when generating alarm confirmation signal, the processor connects second detection module
The alarm confirmation signal of the second detection module transmission is received, and enters alarm and confirms that process, detailed process are as follows:
Step 1: when receiving alarm confirmation signal, processor drives alarm modules to generate the sound and vibration, uses power
Formula reminds wearer to be judged as tumble state, if the user in preset time does not have manual intervention to close alarm, judges to wear
Wearer is in dangerous situation, generates alarm signal.
Further, the first detection module is detected using six axis attitude transducers；Second detection module
Photo-electric double-shaft level sensor can be used.
Further, the six axis attitude transducer is specially three-axis gyroscope measuring angle plus 3-axis acceleration；Specifically
Using model can be MPU-6500；
The photo-electric double-shaft level sensor concrete model is GD-DC.
Further, the processing implement body uses the microprocessor of model STM32F103ZET6, the locating module
Using one or several double frequencies or multifrequency positioning function in Beidou and tetra- kinds of position location satellites of GPS, GLONASS or GALILEO；
The communication module is using one or more of wireless communication functions such as GPRS, GSM, bluetooth, WIFI；
The mechanical switch button is sought help or cancels warning information for carrying out manual alarm, and alarm confirms in process manually
Intervene closing alarm to realize by mechanical switch button.
Further, the GPRS communication chip that model TELESKYA6 can be used in the communication module is led at a distance
News；The locating module concrete model can be Beidou/GPS double frequency positioning chip of ATK1218-BD.
Further, the processor drives alarm modules to carry out buzzing when generating alarm signal, plays sound and hold
Continuous vibration；The processor is also used to obtain customer position information by locating module when generating alarm signal, and by position
Information and alarm signal are transferred to smart machine by communication module.
Further, the smart machine is the portable portable device of user close relative, concretely smart phone.
Beneficial effects of the present invention:
This system have stronger transplantability, it is low in energy consumption, have a wide range of application, without distance limitation, at low cost, reliability is high etc.
Advantage；After detecting that old man falls down, guardian will get the location information of old man in the shortest time, convenient for most fast
Speed is rescued, and injury is preferably minimized.Old man's monitoring abnormal state locating alarm provides for the safety of old man
Ensure that there is good economic value and social value；
Tumble refer to burst, involuntary, unintentional Body Position Change, fall on the ground or lower plane on posture,
According to human body in moment of falling, huge change both horizontally and vertically can all occur this system for the acceleration and angle of body
Change；Human body effectively can be dropped to behavior to distinguish with daily routines；It realizes and precisely determines；The present invention is simple and effective, and
It is easy to practical.
Detailed description of the invention
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
Fig. 1 is system block diagram of the invention.
Specific embodiment
As shown in Figure 1, a kind of monitoring abnormal state positioning alarm system for specific crowd, including the first detection mould
Block, the second detection module, processor, locating module, mechanical switch button, alarm modules.Display, communication module and intelligence are set
It is standby；
Wherein, the first detection module is used for three shaft angle degree of real-time detection and 3-axis acceleration；The first detection mould
Block is detected using six axis attitude transducers, and six axis attitude transducers are specially that three-axis gyroscope measuring angle accelerates plus three axis
Degree；Specifically using model can be MPU-6500；
Second detection module is for detection X/Y twin shaft offset in high precision；Photoelectricity can be used in second detection module
Formula double-shaft level sensor, model GD-DC；Photo-electric double-shaft level sensor is also referred to as compensator, its air level with high precision
For core, with the bubble position in photoelectric sensor detection air level, and it is converted into representing the simulation of X/Y twin shaft deviation post
Voltage signal；
The processing implement body uses the microprocessor of model STM32F103ZET6, and the locating module uses Beidou
With one or several double frequencies or multifrequency positioning function in tetra- kinds of position location satellites of GPS, GLONASS or GALILEO；The positioning
Module concrete model can be Beidou/GPS double frequency positioning chip of ATK1218-BD；
The communication module is using one or more of wireless communication functions such as GPRS, GSM, bluetooth, WIFI；It is described logical
The GPRS communication chip that model TELESKYA6 can be used in news module carries out telecommunication；
Wherein, the mechanical switch button is sought help or cancels warning information for carrying out manual alarm, and wearer is facilitated to exist
It does not need monitoring state or when status monitoring is judged by accident cancels erroneous judgement alarm at the first time；
Suggest how supplement lower first detection module i.e. three axis attitude sensor detects User Status herein,
And obtain corresponding technical information；Later how utilize the second detection module, that is, photo-electric double-shaft level sensor how
Further determined User Status, carries out the determining process of auxiliary；
The first detection module is to human body attitude judgment step specifically:
Step 1: position is in as origin using wearer, establishes cartesian space coordinate system；
Step 2: being judged based on three shaft angle degree and 3-axis acceleration, specific as follows:
S1: under normal walking state, wearer has following numerical characteristic: XY axis in the horizontal direction, there is normal acceleration, Z
For axis in vertical direction, partial act has normal acceleration, and partial act is, sits and lie；Normal acceleration refers at acceleration
In the acceleration in preset range；
S2: tumble state includes: that vertical tumble and parabola are fallen down, and vertical to fall to occur when fainting, parabola is fallen
Appearance when to be hit, numerical characteristic are respectively as follows:
SS1: vertically fall down: in the of short duration time, X-axis or Y-axis become vertical direction from horizontal direction, and state is front at this time
It falls down to the ground or side falls down to the ground；No acceleration or the acceleration for having remote super normal acceleration value, the acceleration of remote super normal acceleration value
The difference for referring to the acceleration and normal acceleration is greater than preset value；No acceleration refers to user on earth and falls down to the ground without spin, remote super
The acceleration of normal value falls down to the ground to fall down to the ground for user's rotation；Z axis becomes horizontal direction from vertical direction, and Z axis is larger compared with high acceleration
Acceleration indicates that acceleration value is greater than normal acceleration value；
SS2: parabola is fallen down: in the short time, X-axis or Y-axis become vertical direction from horizontal direction, and user is in front at this time
It falls down to the ground or side falls down to the ground, there is the acceleration for being far more than normal acceleration value, which is adding for the horizontal direction caused by hitting
Speed；Z axis becomes horizontal direction from vertical direction, and Z axis has the first up and then down of remote super normal acceleration value (to be knocked away then
Fall down to the ground) or downward (being knocked down the ground) acceleration of one direction.
Step 3: the feature based on step 2, when in first detection module to three axis directions and 3-axis acceleration of human body
Judged, when determining user and falling down to the ground, then generates first and fall down to the ground signal；
First signal that falls down to the ground is transferred to processor, the place when generation first falls down to the ground signal by the first detection module
Reason device transmits check signal to the second detection module when receive first detection module transmission first falls down to the ground signal；Described
Two detection modules receive the check signal of processor transmission, and enter human body attitude judgment step, specific judgment step are as follows:
S10: the second detection module is responsible for accurately identifying and confirming the state of falling down, and falls down posture and its identification method is specific
Are as follows:
S11: when wearer falls down situation seriously and cannot independently stand up, it may appear that powerless groan is twitched, in stupor three
State determines user when the second detection module detects that horizontal direction has the direction X/Y offset, and the offset is fixed
Fall down state be comatose state；Judge user's when the second detection module detects the offset cyclically-varying of the direction X/Y
State is fallen down as state of moaning and twitch；
S20: based on the related determination method in step S10, after the check signal for receiving processor transmission, the second inspection
It surveys module and itself detection direction is adapted to horizontal position according to first detection module data, and start to monitor in a period of time
Wearer's posture feature in above-mentioned S11, when detecting that user is in stupor, groan and twitch state, it is believed that at wearer
In the state fallen and can not stood up and generate alarm confirmation signal；
For being transmitted to processor when generating alarm confirmation signal, the processor connects second detection module
The alarm confirmation signal of the second detection module transmission is received, and enters alarm and confirms that process, detailed process are as follows:
Step 1: when receiving alarm confirmation signal, processor drives alarm modules to generate the sound and vibration, uses power
Formula reminds wearer to be judged as tumble state, if the user in preset time does not have manual intervention to close alarm, judges to wear
Wearer is in dangerous situation, generates alarm signal；
The processor drives alarm modules to carry out buzzing, play sound and continuous vibration when generating alarm signal；Institute
It states processor to be also used to obtain customer position information by locating module when generating alarm signal, and by location information and alarm
Signal is transferred to smart machine by communication module, and the smart machine is the portable portable device of user close relative, tool
Body can be smart phone；The processor is also used to select display to carry out text importing when generating alarm signal；It can also be with
Select one or more of automatic dialing phone, uploading position and dangerous situation information to the measures such as relatives, medical institutions or cloud.
Alarm occurs for processor drive control device buzzer when generating abnormal signal；The processor is also used to
The location information of user is got when generating abnormal signal automatically by locating module, the processor is when generating abnormal signal
Location information and abnormal signal are transferred to smart machine by communication module, the smart machine is user close relative family members carrying
Intelligent mobile terminal, concretely mobile phone；
Location information and emergency signal are transferred to first aid by communication module when generating rescue signal by the processor
End, the first aid end are the fixed equipment of First aid station, and the position for needing first aid user is automatically received convenient for rescue personnel.
The human body attitude judgment method of this system is stable mainly for behavior, unusual fluctuation is less, horizontal direction acceleration change
The wearer of behavior in the normal range, such as: other stable crowds of common office worker, the elderly, behavior；It is not suitable for such as:
The similar crowd such as active children, gymnast, dancer needs to extract this product, Yi Mianzao when carrying out similar movement
At erroneous judgement.
This system have stronger transplantability, it is low in energy consumption, have a wide range of application, without distance limitation, at low cost, reliability is high etc.
Advantage；After detecting that old man falls down, guardian will get the location information of old man in the shortest time, pass through gis platform
It is shown with map view, convenient for being rescued with most fast speed, injury is preferably minimized.Old man's monitoring abnormal state is fixed
Level alarm provides guarantee for the safety of old man, has good economic value and social value；
Tumble refer to burst, involuntary, unintentional Body Position Change, fall on the ground or lower plane on posture,
According to human body in moment of falling, huge change both horizontally and vertically can all occur this system for the acceleration and angle of body
Change；Human body effectively can be dropped to behavior to distinguish with daily routines；It realizes and precisely determines；The present invention is simple and effective, and
It is easy to practical.
Above content is only to structure of the invention example and explanation, affiliated those skilled in the art couple
Described specific embodiment does various modifications or additions or is substituted in a similar manner, without departing from invention
Structure or beyond the scope defined by this claim, is within the scope of protection of the invention.
Claims (7)
1. a kind of monitoring abnormal state positioning alarm system for specific crowd, which is characterized in that including first detection module,
Second detection module, processor, locating module, mechanical switch button, alarm modules.Display, communication module and smart machine；
Wherein, the first detection module is used for three shaft angle degree of real-time detection and 3-axis acceleration；
Second detection module is for detection X/Y twin shaft offset in high precision；
The first detection module is to human body attitude judgment step specifically:
Step 1: position is in as origin using wearer, establishes cartesian space coordinate system；
Step 2: being judged based on three shaft angle degree and 3-axis acceleration, specific as follows:
S1: under normal walking state, wearer has following numerical characteristic: XY axis in the horizontal direction, has normal acceleration, Z axis to exist
Vertical direction, partial act have normal acceleration, and partial act is, sits and lie；Normal acceleration refers to acceleration and is in pre-
If the acceleration in range；
S2: tumble state includes: that vertical tumble and parabola are fallen down, vertical to fall to occur when fainting, and it is quilt that parabola, which is fallen,
Appearance when hitting, numerical characteristic are respectively as follows:
SS1: vertically fall down: in the of short duration time, X-axis or Y-axis become vertical direction from horizontal direction, and state falls down to the ground at this time for front
Or side falls down to the ground；The acceleration of no acceleration or the acceleration for having remote super normal acceleration value, remote super normal acceleration value refers to
The difference of the acceleration and normal acceleration is greater than preset value；No acceleration refers to user on earth and falls down to the ground without spin, remote super normal
The acceleration of value falls down to the ground to fall down to the ground for user's rotation；Z axis becomes horizontal direction from vertical direction, and Z axis is compared with high acceleration, larger acceleration
Degree indicates that acceleration value is greater than normal acceleration value；
SS2: parabola is fallen down: in the short time, X-axis or Y-axis become vertical direction from horizontal direction, and user falls down to the ground in front at this time
Or side falls down to the ground, and has the acceleration for being far more than normal acceleration value, which is the acceleration of the horizontal direction caused by hitting；
Z axis becomes horizontal direction, the acceleration that Z axis has the first up and then down or one direction of remote super normal acceleration value downward from vertical direction
Degree.
Step 3: the feature based on step 2, when being carried out in first detection module to three axis directions of human body and 3-axis acceleration
Judgement then generates first and falls down to the ground signal when determining user and falling down to the ground；
First signal that falls down to the ground is transferred to processor, the processor when generation first falls down to the ground signal by the first detection module
Check signal is transmitted to the second detection module when receive first detection module transmission first falls down to the ground signal；Second inspection
The check signal that module receives processor transmission is surveyed, and enters human body attitude judgment step, specific judgment step are as follows:
S10: the second detection module is responsible for accurately identifying and confirming the state of falling down, and falls down posture and its identification method specifically:
S11: when the second detection module detects that horizontal direction has the direction X/Y offset, and the offset is fixed, determine to use
The state of falling down at family is comatose state；User is judged when the second detection module detects the offset cyclically-varying of the direction X/Y
Fall down state for moan and twitch state；
S20: based on the related determination method in step S10, after the check signal for receiving processor transmission, the second detection mould
Itself detection direction is adapted to horizontal position according to first detection module data by root tuber, and starts to monitor above-mentioned in a period of time
Wearer's posture feature in S11, when detecting that user is in stupor, groan and twitch state, it is believed that wearer, which is in, to fall
And the state that can not stand up and generate alarm confirmation signal；
Second detection module is for being transmitted to processor when generating alarm confirmation signal, the processor reception the
The alarm confirmation signal of two detection modules transmission, and enter alarm and confirm that process, detailed process are as follows:
Step 1: when receiving alarm confirmation signal, processor drives alarm modules to generate the sound and vibration, is mentioned with secondary mode
Awake wearer is judged as tumble state, if the user in preset time does not have manual intervention to close alarm, judges wearer
In dangerous situation, alarm signal is generated.
2. a kind of monitoring abnormal state positioning alarm system for specific crowd according to claim 1, feature exist
In the first detection module is detected using six axis attitude transducers；It is double that photo-electric can be used in second detection module
Axis horizon sensor.
3. a kind of monitoring abnormal state positioning alarm system for specific crowd according to claim 2, feature exist
In the six axis attitude transducer is specially three-axis gyroscope measuring angle plus 3-axis acceleration；Specifically use model can be for
MPU-6500；
The photo-electric double-shaft level sensor concrete model is GD-DC.
4. a kind of monitoring abnormal state positioning alarm system for specific crowd according to claim 1, feature exist
Use the microprocessor of model STM32F103ZET6 in, the processing implement body, the locating module using Beidou and GPS,
One or several double frequencies or multifrequency positioning function in tetra- kinds of position location satellites of GLONASS or GALILEO；
The communication module is using one or more of wireless communication functions such as GPRS, GSM, bluetooth, WIFI；
The mechanical switch button is sought help or cancels warning information for carrying out manual alarm, manual intervention in alarm confirmation process
Alarm is closed to realize by mechanical switch button.
5. a kind of monitoring abnormal state positioning alarm system for specific crowd according to claim 4, feature exist
In the GPRS communication chip that model TELESKYA6 can be used in the communication module carries out telecommunication；The locating module
Concrete model can be Beidou/GPS double frequency positioning chip of ATK1218-BD.
6. a kind of monitoring abnormal state positioning alarm system for specific crowd according to claim 1, feature exist
In the processor drives alarm modules to carry out buzzing, play sound and continuous vibration when generating alarm signal；The processing
Device is also used to obtain customer position information by locating module when generating alarm signal, and location information and alarm signal are led to
It crosses communication module and is transferred to smart machine.
7. a kind of monitoring abnormal state positioning alarm system for specific crowd according to claim 6, feature exist
In the smart machine is the portable portable device of user close relative, concretely smart phone.
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| CN112825209A (en) * | 2019-11-20 | 2021-05-21 | 浙江远图互联科技股份有限公司 | Emergency disease alarm system based on real-time positioning technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101650869A (en) * | 2009-09-23 | 2010-02-17 | 中国科学院合肥物质科学研究院 | Human body tumbling automatic detecting and alarming device and information processing method thereof |
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