CN104464190A - Falling alarm device and method based on pressure and accelerated speed detection - Google Patents
Falling alarm device and method based on pressure and accelerated speed detection Download PDFInfo
- Publication number
- CN104464190A CN104464190A CN201410708766.5A CN201410708766A CN104464190A CN 104464190 A CN104464190 A CN 104464190A CN 201410708766 A CN201410708766 A CN 201410708766A CN 104464190 A CN104464190 A CN 104464190A
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- pressure
- fall down
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- change
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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
Abstract
The invention discloses a falling alarm device based on pressure and accelerated speed detection. The falling alarm device based on pressure and accelerated speed detection comprises a wrist watch shell body, a peripheral connecting three-axis acceleration sensor, an OLED screen, a GPS positioning module, a Bluetooth 4.0 host module and a buzzer, wherein the peripheral connecting three-axis acceleration sensor is arranged in a wrist watch, and a central processing unit STM32 serves the core of the peripheral connecting three-axis acceleration sensor. The invention further discloses a falling alarm method based on pressure and accelerated speed detection. The falling alarm method based on pressure and accelerated speed detection comprises the following steps that 1, the change of the pressure value, acquired by a pressure sensor, of a person is detected by a processor, and a signal is sent to a receiving module of the wrist watch through a wireless transmitting module when the change of the pressure value reaches a set threshold value; 2, the change of the angle of the wrist is obtained by processing data acquired by the three-axis acceleration sensor through the central processing unit of the wrist watch, whether the change meets a specific law is judged, and an alarm is given immediately when it is judged that a person falls. The falling alarm device and method based on pressure and accelerated speed detection have the advantages that safety and reliability are high, and the alarm method is user-friendly.
Description
Technical field
The present invention relates to one and fall down locating alarming and remote control technology, particularly a kind ofly fall down panalarm and method thereof based on pressure and acceleration detection, belong to safety protection field.
Background technology
Along with national economy quick, develop stably, significantly improving of living standards of the people, China progressively enters few sonization, aging epoch, and the Aging Problem of population will become the unprecedented new challenge of China facing very soon.The outstanding problem that aging, few sonization bring is, along with the increase at old man's age, and the decline of self care ability, when old man runs into unknown danger, owing to failing process in time to a great extent, easily there is various accident, thus jeopardize the personal safety of old man.And in these are unexpected, old man falls down lethal events of causing injury and emerges in an endless stream especially, according to statistics, in the unexpected injury that more than 60 years old the elderly is subject to, the ratio of falling down account for 40.60%.More have a investigation to show, the report according to N.S.C. shows, and in the population of over-65s, falls down first that caused dead shelter has the unexpected cause of death, accounts for 33% of the unexpected death of this age bracket.And now increasing the elderly be absorbed in " fall down-lose confidence-dare not movable-weak-more easily fall " in vicious cycle.
And our invention, the emergency treatment measure after occurring for old man's fall events just---notify guardian and send locating alarming message, and carrying out rationally and effectively guarding to the behavior safety of old man.
Fall down panalarm at present on the market accordingly mainly to occur with single equipment form, having of comparative maturity: fall down alarm crutch and fall down alarm belt.And the present invention's difference maximum with there is product is on the market that two detection method combines judgement, there is algorithm simple and for the feature of falling down action accuracy of judgement.The two-way communication of wrist-watch and shoes, not only ensure the judgement precision of falling down, decrease False Rate, and we greatly meet wearable concept, proper at the life of old man, for the problem such as help to solve old man's accidental falls and wander away provides a more quick and effective approach.
Summary of the invention
Primary and foremost purpose of the present invention is to overcome the shortcoming of prior art with not enough, provides a kind of and falls down panalarm based on pressure and acceleration detection, and it is high that this falls down panalarm reliability, and volume is little, low in energy consumption.
Another object of the present invention is to overcome the shortcoming of prior art and deficiency, there is provided a kind of be applied to based on pressure and acceleration detection fall down panalarm fall down alarm method, this falls down alarm method can accurately know rapidly old man geographic location information, the friendly interface of user's obtaining information.
Primary and foremost purpose of the present invention is achieved through the following technical solutions: a kind ofly fall down panalarm based on pressure and acceleration detection, comprise Watchcase body, also comprise the periphery connection 3-axis acceleration sensor being core with central processing unit STM32 be arranged in wrist-watch, OLED screen, GPS locating module, bluetooth 4.0 host module, hummer.
Also comprise insole body, comprise the pressure transducer be arranged on shoe-pad, pressure transducer is by a slice full-bridge resistance strain gage, 24 AD conversion chip HX711 formed, and also comprise low-power consumption process chip msp430g2553, LED alarm lamp, bluetooth 4.0 from machine module, gsm module.
Described wrist-watch body is located at the wrist portion of human body, and the insole body being provided with pressure transducer is located at the heel place of a human body pin.
Another object of the present invention is achieved through the following technical solutions: a kind of be applied to based on pressure and acceleration detection fall down panalarm fall down alarm method, as shown in Figure 7, comprise the following steps:
Step 1, the 3-axis acceleration sensor be arranged in wrist-watch that old man wears detect the change of hand acceleration, when total accekeration exceedes threshold values, when the change of front and back moment hand angle is not again in specific scope, central processing unit judges to fall down, and enter the wait of the schedule time, wait for whether foot has the response of falling down signal.Meanwhile be arranged on old man wear the change that pressure transducer on the shoe-pad of footwear detects heel-pressure, judge the pressure durations at heel place close to 0 place lower than the pressure threshold of setting under time of changing, when the time reaches the threshold value of setting, super low-power consumption chip processor is sent by bluetooth and falls down signal to hand.
Step 2, when the central processing unit at wait-for-response receive fall down signal time, then central processing unit confirms that old man falls down, start type of alarm one: start GPS, obtain the longitude and latitude at old man place, generate a web page interlinkage character string, and be sent to foot, be sent to monitoring end by gsm module in the mode of note and realize remote alarms; After monitoring end receives note, the position of the person of falling down after clicking web page interlinkage above, can be seen on map.Start type of alarm two: the hummer of the wrist-watch of hand sends sound, and the flicker of the peripheral LED alarm lamp of foot.
When old man has wearable device, guardian, by sending position command, can know rapidly the current geographic position information at old man place.
Automatically can generate corresponding link according to longitude and latitude during SMS alarm, during guardian's clickthrough, website can be resolved link, and position is marked out on map.
Principle of work of the present invention: the present invention is that a kind of change by detection foot force and calculating hand angle combines the method judging whether to fall down and report to the police, by being arranged on the change of the force value of the people of the super low-power consumption chip processor constantly detected pressures sensor collection on shoe-pad, after the change of force value reaches the threshold values of setting, this signal is sent to the receiver module of wrist-watch by wireless transmitter module; The central processing unit of wrist-watch, by processing the data gathered by 3-axis acceleration sensor, obtains the change of wrist angle, judges whether this change meets specific rule; Judgement when two places is very, can think that people falls down; Confirm to fall down rear startup GPS, obtain on-site longitude and latitude, generate a web page interlinkage character string, be sent to monitoring end by gsm module in the mode of note and realize remote alarms; After monitoring end receives note, the position of the person of falling down after clicking web page interlinkage above, can be seen on map.Of the present inventionly fall down panalarm and method achieves dual judgement, safe reliability is higher, and alarm method is more friendly, has greatly manifested the advantage of wearable device.
The present invention has following advantage and effect relative to prior art:
1, present invention utilizes pressure detection principle, acceleration, angle change Cleaning Principle, Real-Time Monitoring is carried out in foot pressure change when walking to old man, the acceleration of hand and the change of angle, grasping the security situation of old man in time, preventing the safety problem caused because falling down.When the acceleration of hand and angle change the threshold value that reaches predetermined and meanwhile the pressure of foot change also reach respective threshold time, combine and be judged as true time, just carry out falling down alarm decision, further increase the reliability of warning, promptness.
2, the mode realizing automatically falling down warning monitors the acceleration of hand and angle by intelligent watch to change and reach certain threshold value, be judged as true time, and meanwhile, when the pressure change of foot also reaches corresponding threshold value, also true time is judged as, real-time communication is carried out by bluetooth, intelligent watch judges to determine to fall down, the LED alarm lamp flicker of foot, the hummer of wrist-watch sends chimes of doom, start GPS at once, obtain the longitude and latitude at old man place, generate a web page interlinkage character string, be sent to monitoring end by gsm module in the mode of note and realize remote alarms, opening the position that network address just can see old man place on map, by falling down judgement type of alarm reliably, help can be imposed to old man in time fast.
3, pick-up unit is fallen down compared to other belt type fall monitoring devices, stick-type or at head, waist equipotential installs the device of acceleration transducer node, these devices not easily get used to, and be not often with, and the present invention is more close to daily familiar article, custom is dressed, more convenient, meets wearable theory.
4, the present invention does not rely on other equipment such as mobile phone, and be an independently sophisticated systems, reliability is high, and volume is little, low in energy consumption.
5, type of alarm close friend is fallen down, and accurately.Monitoring end can accurately know rapidly old man geographic location information, the friendly interface of user's obtaining information by opening network address.
Accompanying drawing explanation
Fig. 1 is the module structure drafting of shoes.
Fig. 2 is the module structure drafting of wrist-watch.
Fig. 3 falls down total accelerogram.
Fig. 4 falls down three shaft angle degree variation diagrams.
Fig. 5 is that hand falls down decision flow chart.
Judgement and alarm flow figure fall down in Tu6Shi foot.
Fig. 7 is the overview flow chart falling down alarm method of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
As shown in Figure 1, foot is based on the Intelligent shoe of pressure detection, and the module comprised mainly contains: super low-power consumption chip processor msp430g2553, full-bridge resistance strain gage, 24 AD conversion chip HX711, gsm module, bluetooth 4.0 from machine module, lithium battery etc.
By two, full-bridge resistance strain gage is clipped in the middle by the comparatively hard but card that elasticity is good, then the heel place of shoe-pad is attached to, draw wire and connect processing module, the weak voltage change of AD conversion chip HX711 to full-bridge foil gauge is amplified, and carry out AD conversion, import the process data of conversion into super low-power consumption chip processor msp430g2553, msp430g2553 monitors in real time to pressure data.
Because msp430g2553 only has a serial ports, what need serial communication has GSM, bluetooth, in order to avoid the disorder that communicates, have employed the method with timer A simulative serial port, the serial ports of bluetooth access simulation communicates with the wrist-watch of hand, and GSM accesses UART serial ports and communicates with long distance monitoring end, and this is the enforcement of hardware circuit.
In software, have employed the mode that pressure wakes up and realize low-power consumption, when being greater than a certain pre-set threshold value by force value, the upright normal work of system.As shown in Figure 6, during normal work, by constantly monitoring in real time the pressure change that shoe-pad bears, judge that force value continued close to 0 and lower than time of changing under the pressure threshold preset, when after the threshold value that the time reaches default, judge the signal fallen down to hand transmission foot, and wait for the response of hand.
As shown in Figure 2, hand is based on the intelligent watch of acceleration detection, and the module comprised mainly contains: central processing unit STM32, and model is STM32F103C8T6, MPU6050 3-axis acceleration sensor, OLED screen, bluetooth 4.0 host module, GPS module, lithium battery.
The foundation that hand falls down judgement is illustrated below in conjunction with Fig. 3, Fig. 4.We carry out falling down experiment under a large amount of different situations, carry out signature analysis to the mass data collected, thus data variation rule when drawing in most cases.The frequency gathering three dimension acceleration sensor is 7 times per second, can capture the acceleration change of hand well.As Fig. 3, be the change before and after acceleration total when once falling down, stop in a flash when people falls down to contact to earth, weightlessness arrive overweight more before this, and then people lay in that time on ground, and acceleration remains unchanged within the specific limits.Meanwhile, as Fig. 4, before and after falling down, the angle of two axles is had at least to there occurs obvious change.
Specific works process is as follows:
As shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, whole device fall down judgement and type of alarm comprise following steps:
S1. the data that the wrist-watch be worn on hand constantly gathers 3-axis acceleration sensor carry out the analyzing and processing as Fig. 5, keep wireless connection conditions with the Intelligent shoe of foot by bluetooth simultaneously always;
S2. the pressure change of the data transmitted by pressure transducer to heel portion of Intelligent shoe is monitored in real time, judge that force value continued close to 0 and lower than time of preset pressure threshold value, when after the threshold value that the time reaches default, send to hand and fall down signal, and wait for the response of hand;
S3. when wrist-watch judges to fall down, and enter the wait of the schedule time, what judge whether to receive in 10 seconds before and after this moment foot's response falls down signal.If receive, illustrate to combine and be judged as true, confirm to fall down, and report to the police; Otherwise, return to normal;
S4. after confirmation is fallen down, open GPS and position, send short messages simultaneously and remind guardian.After obtaining effective locating information, the longitude and latitude geographic position according to obtaining generates corresponding short message content automatically.Note includes a web page interlinkage and other informations.
Link form is:
" http://www.AAA.com/BBB.php? jingdu=CCC.CCC & weidu=DD.DDDD & submit=1 ", wherein, AAA is domain name, BBB is web page files name, CCC.CCC is longitude, DD.DDDD is latitude, and website can be resolved link, and position current for the person of falling down map is on a web browser identified out.Meanwhile, the hummer of wrist-watch sounds the alarm and the LED alarm lamp flicker on shoes.
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (8)
1. fall down a panalarm based on pressure and acceleration detection, it is characterized in that: comprise Watchcase body and be arranged on and be core with central processing unit STM32 periphery connects 3-axis acceleration sensor, OLED screen, GPS locating module, bluetooth 4.0 host module and hummer in wrist-watch.
2. according to claims 1, fall down panalarm based on pressure and acceleration detection, it is characterized in that: comprise shoes body, also comprise the pressure transducer be arranged on shoe-pad, super low-power consumption chip processor msp430g2553, LED alarm lamp, bluetooth 4.0 from machine module and gsm module.
3. according to claim 1 and 2ly fall down panalarm based on pressure and acceleration detection, it is characterized in that: pressure transducer is by a slice full-bridge resistance strain gage, and 24 AD conversion chip HX711 formed.
4. according to claim 1 and 2ly fall down panalarm based on pressure and acceleration detection, it is characterized in that: wrist-watch body is located at the wrist portion of human body.
5. according to claim 1 and 2ly fall down panalarm based on pressure and acceleration detection, it is characterized in that: the insole body being provided with pressure transducer is located at the heel place of a human body pin.
6. according to claim 1 based on pressure and acceleration detection fall down panalarm fall down an alarm method, it is characterized in that, comprise the following steps:
S1, the 3-axis acceleration sensor be arranged in wrist-watch that old man wears detect the change of hand acceleration, when total accekeration exceedes threshold values, when the change of front and back moment hand angle is again in specific scope, central processing unit judges to fall down, and enter the wait of the schedule time, wait for whether foot has the response of falling down signal; Meanwhile be arranged on old man wear the change that pressure transducer on the shoe-pad of footwear detects heel-pressure, judge the pressure durations at heel place close to 0 place lower than the pressure threshold of setting under time of changing, when the time reaches the threshold value of setting, super low-power consumption chip processor is sent by bluetooth and falls down signal to hand;
S2, when the central processing unit at wait-for-response receive that foot transmits fall down signal time, then central processing unit confirms that old man falls down, start type of alarm one: start GPS, obtain the longitude and latitude at old man place, generate a web page interlinkage character string, and be sent to foot, be sent to monitoring end by gsm module in the mode of note and realize remote alarms; After monitoring end receives note, the position of the person of falling down after clicking web page interlinkage above, can be seen on map; Start type of alarm two: the hummer of the wrist-watch of hand sends sound, and the flicker of the peripheral LED alarm lamp of foot.
7. according to claim 6ly fall down alarm method, it is characterized in that: in step 1, when old man has wearable device, guardian, by sending position command, knows the current geographic position information at old man place.
8. according to claim 6ly fall down alarm method, it is characterized in that: in step 2, automatically can generate corresponding link according to longitude and latitude during SMS alarm, during guardian's clickthrough, website can be resolved link, position is marked out on map next.
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Cited By (19)
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| CN105006102A (en) * | 2015-08-18 | 2015-10-28 | 刘玉伟 | Shoe and method for guaranteeing life safety of old people |
| CN105185037A (en) * | 2015-07-31 | 2015-12-23 | 熊贤浪 | Falling detection apparatus and method applied to shoe |
| CN105205988A (en) * | 2015-10-30 | 2015-12-30 | 杨喆 | Closestool cover capable of giving alarm in case of accidents when people sit on closestool, alarming method and closestool |
| CN105342617A (en) * | 2015-12-18 | 2016-02-24 | 宁波力芯科信息科技有限公司 | Intelligent shoe system |
| CN105513277A (en) * | 2016-01-10 | 2016-04-20 | 南京邮电大学 | Old people falling alarm device |
| CN105551194A (en) * | 2016-03-10 | 2016-05-04 | 广州视源电子科技股份有限公司 | Tumble detection method and device |
| CN105640561A (en) * | 2016-03-22 | 2016-06-08 | 中国医学科学院生物医学工程研究所 | Ultra-low-power-consumption falling detection and control method |
| CN106408871A (en) * | 2016-09-30 | 2017-02-15 | 福建工程学院 | Accidental fall monitoring method and system |
| CN106453881A (en) * | 2016-09-30 | 2017-02-22 | 福建工程学院 | Standing state monitoring method and system |
| CN106934991A (en) * | 2017-03-15 | 2017-07-07 | 暨南大学 | A kind of the elderly falls down monitoring system |
| CN107825441A (en) * | 2017-12-22 | 2018-03-23 | 庄臣酿酒（福建）有限公司 | A kind of aged health intelligent management system and method based on intelligent robot |
| DE102017203672A1 (en) | 2017-03-07 | 2018-09-13 | Robert Bosch Gmbh | Method for detecting a fall of a person and device for carrying out the method |
| DE102017203675A1 (en) | 2017-03-07 | 2018-09-13 | Robert Bosch Gmbh | Method for detecting a driving activity of a person and device |
| CN108682115A (en) * | 2018-04-30 | 2018-10-19 | 中山市京春电子科技有限公司 | One kind falling down alert device |
| CN109199803A (en) * | 2017-06-29 | 2019-01-15 | 沈阳新松机器人自动化股份有限公司 | A kind of method and apparatus that detection is fallen |
| CN109830086A (en) * | 2019-04-16 | 2019-05-31 | 河北工业大学 | A kind of SCM Based the elderly falls down detection system under walking states |
| CN110363959A (en) * | 2019-05-28 | 2019-10-22 | 哈尔滨理工大学 | It is a kind of that determination method is fallen down based on plantar pressure and 3-axis acceleration sensor |
| CN110897254A (en) * | 2019-12-11 | 2020-03-24 | 上海理工大学 | Intelligent shoe device with anti-falling reminding function and anti-falling reminding method |
| CN112799307A (en) * | 2020-12-25 | 2021-05-14 | 美的集团股份有限公司 | Intelligent control method and device for equipment |
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| CN105185037A (en) * | 2015-07-31 | 2015-12-23 | 熊贤浪 | Falling detection apparatus and method applied to shoe |
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| CN105205988A (en) * | 2015-10-30 | 2015-12-30 | 杨喆 | Closestool cover capable of giving alarm in case of accidents when people sit on closestool, alarming method and closestool |
| CN105205988B (en) * | 2015-10-30 | 2018-07-06 | 张金宏 | The toilet lid and method and closestool that generation contingency can alarm during toilet seat |
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| CN105551194B (en) * | 2016-03-10 | 2018-01-23 | 广州视源电子科技股份有限公司 | A kind of fall detection method and device |
| CN105551194A (en) * | 2016-03-10 | 2016-05-04 | 广州视源电子科技股份有限公司 | Tumble detection method and device |
| CN105640561A (en) * | 2016-03-22 | 2016-06-08 | 中国医学科学院生物医学工程研究所 | Ultra-low-power-consumption falling detection and control method |
| CN106408871A (en) * | 2016-09-30 | 2017-02-15 | 福建工程学院 | Accidental fall monitoring method and system |
| CN106453881A (en) * | 2016-09-30 | 2017-02-22 | 福建工程学院 | Standing state monitoring method and system |
| WO2018058793A1 (en) * | 2016-09-30 | 2018-04-05 | 福建工程学院 | Accidental fall monitoring method and system |
| DE102017203675A1 (en) | 2017-03-07 | 2018-09-13 | Robert Bosch Gmbh | Method for detecting a driving activity of a person and device |
| DE102017203672A1 (en) | 2017-03-07 | 2018-09-13 | Robert Bosch Gmbh | Method for detecting a fall of a person and device for carrying out the method |
| CN106934991A (en) * | 2017-03-15 | 2017-07-07 | 暨南大学 | A kind of the elderly falls down monitoring system |
| CN109199803A (en) * | 2017-06-29 | 2019-01-15 | 沈阳新松机器人自动化股份有限公司 | A kind of method and apparatus that detection is fallen |
| CN107825441A (en) * | 2017-12-22 | 2018-03-23 | 庄臣酿酒（福建）有限公司 | A kind of aged health intelligent management system and method based on intelligent robot |
| CN108682115A (en) * | 2018-04-30 | 2018-10-19 | 中山市京春电子科技有限公司 | One kind falling down alert device |
| CN109830086A (en) * | 2019-04-16 | 2019-05-31 | 河北工业大学 | A kind of SCM Based the elderly falls down detection system under walking states |
| CN110363959A (en) * | 2019-05-28 | 2019-10-22 | 哈尔滨理工大学 | It is a kind of that determination method is fallen down based on plantar pressure and 3-axis acceleration sensor |
| CN110363959B (en) * | 2019-05-28 | 2021-01-22 | 哈尔滨理工大学 | Tumble judging method based on plantar pressure and three-axis acceleration sensor |
| CN110897254A (en) * | 2019-12-11 | 2020-03-24 | 上海理工大学 | Intelligent shoe device with anti-falling reminding function and anti-falling reminding method |
| CN110897254B (en) * | 2019-12-11 | 2021-04-09 | 上海理工大学 | Intelligent shoe device with anti-falling reminding function and anti-falling reminding method |
| CN112799307A (en) * | 2020-12-25 | 2021-05-14 | 美的集团股份有限公司 | Intelligent control method and device for equipment |
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