CN108806190A - A kind of hidden radar tumble alarm method - Google Patents
A kind of hidden radar tumble alarm method Download PDFInfo
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- CN108806190A CN108806190A CN201810695811.6A CN201810695811A CN108806190A CN 108806190 A CN108806190 A CN 108806190A CN 201810695811 A CN201810695811 A CN 201810695811A CN 108806190 A CN108806190 A CN 108806190A
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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
- G08B21/0407—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons based on behaviour analysis
- G08B21/043—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons based on behaviour analysis detecting an emergency event, e.g. a fall
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- Gerontology & Geriatric Medicine (AREA)
- Business, Economics & Management (AREA)
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- General Physics & Mathematics (AREA)
- Emergency Alarm Devices (AREA)
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Abstract
The present invention relates to a kind of hidden radar tumble alarm methods to be applied to medical treatment and nursing equipment technology field suitable for the supervision and nursing to the crowd that easily falls.This method includes that radar signal detection module emits and receive radar signal, and signal processing analysis module is handled and analyzed to the reception radar signal, judges whether that tumble phenomenon occurs.Treated data and analysis result are transferred to server by communication module, these data can be stored in the long period in server.Client passes through cell phone application display alarm information.Consequently facilitating guardian handles tumble situation, and does not need guardian and accompany at any time, mitigate guardian's working strength.
Description
Technical field
The present invention relates to a kind of hidden radar tumble alarm method, suitable for the supervision and nursing to the crowd that easily falls,
Applied to medical treatment and nursing equipment technology field.
Background technology
We are it should be understood that it refers to burst, involuntary, unintentional Body Position Change to fall, such as is fallen on the ground first
Or in lower plane, tumble is to cause the great reason of Accidents death in the world, especially threatens the elderly's life peace
Whether full key factor, therefore, monitoring the elderly fall and carry out alarming after tumble particularly significant.
There are some equipment that can detect tumble currently on the market, as China Patent Publication No. " 206133864U " discloses
It is a kind of that " fall alarm 7, including shell, installation band, main control chip, detecting system and alarm system are arranged on the top surface of shell
There is installation slotted eye, snap ring is both provided at left and right sides of shell, installation band is provided on snap ring, main control chip is located at the interior of shell
Portion, detecting system include data acquisition module, key-press module and display module, and data acquisition module, key-press module are and master control
The input terminal of chip is connected, and display module is connected with the output end of main control chip, and alarm system includes alarm module and leads to
Believe that module, alarm module are connected with communication module." but such equipment is generally wearable device, needs user long-term
It wears, is not appropriate for owner, it is very inconvenient especially for old man.
Invention content
This product is intended to invent a kind of hidden radar tumble alarm method, can solve above-mentioned skill of the existing technology
Art defect, suitable for the supervision and nursing to the crowd that easily falls.
The object of the invention is achieved through the following technical solutions：
A kind of hidden radar tumble alarm method, characterized in that be based on following functions module：Radar Signal Detection mould
Block, signal processing analysis module, communication module, server, client and alarm, this approach includes the following steps：
1) radar signal detection module emits and receives radar signal, is carried out in real time by docking the radar signal got back
Monitoring record is monitored the position of person；
2) signal processing analysis module falls background signal and interference signal by filter masks, and passes through amplifier pair
Useful signal is amplified, and when detecting that human body head present position is from being above the ground level to ground and sinking speed
It is judged to falling when 0.01m/s -13m/s；
3) communication module by above-mentioned processing analyze after data and be determined as fall result be transferred to server；
4) the above-mentioned data of server storage；
5) receive server on by monitoring/survey personal data and show on the client, timely display alarm information；
6) alarm receives the alarm signal of communication module and sends out alarm signal.
Preferably, radar frequency used in the radar signal detection module is 10-80GHz, wavelength 5-30mm.
Preferably, the client is computer terminal and/or mobile terminal with display function.
Preferably, the computer terminal includes computer, tablet computer with display, the mobile terminal is
Mobile phone.
Preferably, the radar signal module effective angle is 0-160 degree, corresponding distance 0-25 meters of effective model
The area enclosed, corresponding detection object are within the scope of above-mentioned effective angle effective area.
Preferably, judging that the formula that tumble occurs is in step 2)：
Transmitted wave：
Back wave： For reflectance factor
Then reflected wave powers：P=vR 2
Wherein
A- emits wave-amplitude；
Transmitted wave initial phase；
The ratio between reflectance factor, i.e. echo amplitude and transmitting wave-amplitude；
Reflect wave phase；
By reflected wave powers by the relationship of Fourier transformation available power and frequency, and then obtain signal strength and distance
Relationship, to judge the distance between human body and radar installations, when head position increases from being above the ground level to ground distance, and
It is judged to that tumble phenomenon occurs when with speed 0.01m/s-13m/s and acceleration.
Preferably, the signal processing analysis module in step 2) is previously stored with the height on room to floor and is supervised
The height for surveying head part, head position is 0-22m apart from radar signal detection module when standing state, when falling to ground, head
Portion's positional distance radar signal detection module be 25m hereinafter, and do not change highly after children under guardianship are in ground 3-50 seconds,
Then it is judged to falling.
Preferably, the radar signal detection module is installed for hidden, contactless monitoring is realized.
Preferably, while data are uploaded to server by the communication module, will be reported by itself WIFI function
Alert information is directly passed to alarm.
Compared with prior art, which emits radar signal and receives reflected radar signal, by receiving
Radar signal back carries out monitoring in real time and judges whether that tumble phenomenon occurs, and tumble situation is timely feedbacked to guardian (such as
Relatives), consequently facilitating guardian handles tumble situation, and does not need guardian and accompany at any time, mitigate guardian's work
Intensity.In the case where guardian is far from children under guardianship, warning message is passed to client, client by system by server
It can prompt guardian that tumble situation occurs, tumble situation is handled at the first time convenient for guardian.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that the accompanying drawings in the following description is only this hair
Some bright embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram of the present embodiment one, three.
Fig. 2 is the present embodiment binary signal processing analysis module treated iconic model that signal changes over time.
Fig. 3 is the logic chart of the present embodiment four.
Label declaration：Radar signal detection module 1, signal processing analysis module 2, communication module 3, power supply module 4, service
Device 5, client 6, alarm 7.
Specific implementation mode
Illustrate that the present invention, the following example are only used to illustrate the technical scheme of the present invention below in conjunction with specific embodiment,
Do not limit protection scope of the present invention.
Embodiment one：
As shown in Figure 1, a kind of hidden radar tumble alarm method, including following functions module：
Radar signal detection module 1 is supervised for emitting radar signal by docking the radar signal got back in real time
It surveys record and is monitored person's action state information；
Signal processing analysis module 2 handles above-mentioned signal, is analyzed, and makes tumble and judge；
Above- mentioned information data and judging result are transmitted to server 5 by communication module 3；
Power supply module 4, for being powered to above-mentioned each module；
Server 5, the data information for storing monitored person；
Client 6 for receiving 5 information of server, and feeds back to guardian.
The present embodiment further includes alarm 7, is directly connected to communication module 3 and obtains alarm signal.
Radar frequency used in radar signal detection module 1 in the present embodiment is 10-80GHz, wavelength 5-30mm.It can
By emit with receives frequency for 24GHz or so microwave come the presence of sense object, have the characteristics that induction is sensitive, for millimeter
Grade.
Client 6 in the present embodiment is computer terminal and/or mobile terminal with display function, specifically, computer
Terminal includes computer, tablet computer with display, and mobile terminal is the smart mobile phone for being equipped with APP.
1 effective angle of radar signal detection module of the present embodiment is 0-160 degree, corresponding distance 0-25 meters effective
The area of range, corresponding detection object are within the scope of above-mentioned effective angle effective area.
Embodiment two：
A kind of monitoring method based on one hidden radar tumble alarm method of embodiment, includes the following steps：
1) radar signal detection module 1 emits and receives radar signal, is carried out in fact by docking the radar signal got back
When monitoring record be monitored person position；
2) signal processing analysis module 2 falls background signal and interference signal by filter masks, and passes through amplifier
Useful signal is amplified, and when detecting that human body head present position is from being above the ground level to ground and sinking speed
It is judged to falling when 0.01m/s -13m/s；Change in location numerical value judges such as：Head position is apart from radar detection when standing state
Device is about 0-22m, and when falling to ground, head position is 25m or less apart from radar signal detection module.
3) communication module 3 by above-mentioned processing analyze after data and be determined as fall result be transferred to server 5；
4) server 5 stores the monitoring data transmitted from signal processing analysis module 2；
5) receive server 5 on by monitoring/survey personal data and be shown in client 6, timely display alarm information；
6) alarm 7 receive the alarm signal of communication module 3 and send out alarm signal.
Wherein, judge that the formula that tumble occurs is in step 2)：
Transmitted wave：
Back wave： For reflectance factor
Then reflected wave powers：P=vR2
Wherein
A- emits wave-amplitude；
Transmitted wave initial phase；
The ratio between reflectance factor, i.e. echo amplitude and transmitting wave-amplitude；
Reflect wave phase；
By reflected wave powers by the relationship of Fourier transformation available power and frequency, and then obtain signal strength and distance
Relationship, to judge the distance between human body and radar installations, when head position increases from being above the ground level to ground distance, and
It is judged to that tumble phenomenon occurs when with speed 0.01m/s-13m/s and acceleration.As shown in Fig. 2, radar monitors after tumble
To the distance between human body and radar can increase.Specific formula content meaning：Since frequency is certain, transmitted wave and back wave
Feature is mainly described by amplitude and phase, thus A andIt is assured that the characteristic of wave.Therefore transmitted wave can be usedIt indicates.Compared with transmitted wave, amplitude and phase are varied from back wave, indicate to reflect with reflectance factor
The ratio between wave-amplitude and transmitting wave-amplitude,Indicate the amplitude of back wave, therefore back wave can be usedIt indicates.
The power definition of back wave is square of back wave.
Another judgment method, signal processing analysis module 2 are previously stored with the height on room to floor and monitored people
Height, after tumble, 1 received signal of radar signal detection module obtains children under guardianship by signal processing analysis module 2
Do not change highly after a certain period of time positioned at ground, and when children under guardianship are in ground, is then judged to falling.
Radar signal detection module 1 in the present embodiment can conceal be installed within lampshade or other carriers ceiling or
Wall is gone to bed bottom or ground etc. and the discontiguous position of human body, realizes concealment, contactless monitoring.
Embodiment three：
As shown in Figure 1, a kind of hidden radar tumble alarm method includes signaling module, server 5 and client 6.Its
Middle signaling module includes radar signal detection module 1, signal processing analysis module 2, communication module 3 and power supply module 4.Client
6 include client 6 and alarm 7.Wherein radar signal detection module 1 emits and receives radar signal, signal processing analysis mould
Block 2 is handled and is analyzed to the reception radar signal, judges whether that tumble phenomenon occurs.Communication module 3 will treated
Data and analysis result are transferred to server 5, these data can be stored in server 5 with the long period.Client 6 passes through hand
Machine APP display alarm informations.Wherein, radar signal detection module 1 is connect with signal processing unit, signal processing analysis module 2
It is connected with communication module 3, power supply module 4 and 3 phase of radar signal detection module 1, signal processing analysis module 2 and communication module
Connection.
The signaling module of hidden radar tumble alarm method, which is packaged into an entirety and is put in lampshade, to be built on ceiling,
Realize hidden monitoring, avoid many traditional falling detection devices needs be worn on the drawbacks of, reduce patient's physiology and
Psychological inadaptability.Wherein radar frequency used in radar signal detection module 1 is 24GHz, wavelength 12mm.
Example IV：
As shown in Fig. 3, signal processing analysis module 2 monitors received signal in real time, due to radar after tumble
The distance between human body and radar for monitoring increase, and can be judged as that generation tumble is existing when distance increases and continues for some time
As.Specifically, the signal processing analysis module 2 in step 2) is previously stored with the height on room to floor and the monitored number of people
The height in portion, head position is 0-22m apart from radar signal detection module 1 when standing state, when falling to ground, head position
Apart from radar signal detection module 1 be 25m hereinafter, and do not change highly after children under guardianship are in ground 3-50 seconds, then sentence
It is set to tumble.
The client 6 of hidden radar tumble alarm method includes client 6 and alarm 7.Client 6 is cell phone application.
When the distance between the human body that radar monitors and radar increase and continue for some time, 2 meeting of signal processing analysis module
It is judged to that tumble phenomenon occurs, sends out tumble warning message.As shown in Fig. 1, data are uploaded to server 5 by communication module 3
While, warning message is directly passed to by alarm 7 by itself WIFI function.Short distance guardian can be according to warning message
Tumble situation is handled in time.When tumble situation for a period of time after it is not processed, the cell phone application of the client 6 can be shown
Show warning message.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, the shape of parts and components is named
Title etc. can be different.The equivalent or simple change that all structure, feature and principles according to described in inventional idea of the present invention are done, is wrapped
It includes in the protection domain of patent of the present invention.Those skilled in the art can be to described specific implementation
Example is done various modifications or additions or is substituted by a similar method, without departing from structure of the invention or surmounts this
Range as defined in the claims, is within the scope of protection of the invention.
Claims (9)
1. a kind of hidden radar tumble alarm method, characterized in that be based on following functions module：Radar signal detection module,
Signal processing analysis module, communication module, server, client and alarm, this approach includes the following steps：
1) radar signal detection module emits and receives radar signal, is monitored in real time by docking the radar signal got back
Record is monitored the position of person；
2) signal processing analysis module falls background signal and interference signal by filter masks, and by amplifier to effective
Signal is amplified, and is 0.01m/s-when detect human body head present position from being above the ground level to ground and sinking speed
It is judged to falling when 13m/s；
3) communication module by above-mentioned processing analyze after data and be determined as fall result be transferred to server；
4) the above-mentioned data of server storage；
5) receive server on by monitoring/survey personal data and show on the client, timely display alarm information；
6) alarm receives the alarm signal of communication module and sends out alarm signal.
2. hidden radar tumble alarm method according to claim 1, characterized in that the radar signal detection module
Radar frequency used is 10-80GHz, wavelength 5-30mm.
3. hidden radar tumble alarm method according to claim 1, characterized in that the client is with display
The computer terminal of function and/or mobile terminal.
4. hidden radar tumble alarm method according to claim 3, characterized in that the computer terminal includes band
It is mobile phone to have computer, the tablet computer of display, the mobile terminal.
5. hidden radar tumble alarm method according to claim 1, characterized in that the radar signal module has
Effect angle is 0-160 degree, and the area of corresponding distance 0-25 meters of effective range, corresponding detection object is in above-mentioned effective angle
It spends within the scope of effective area.
6. hidden radar tumble alarm method according to claim 1, characterized in that judge tumble in step 2)
Formula be：
Transmitted wave：
Back wave： For reflectance factor
Then reflected wave powers：P=vR 2
Wherein
A- emits wave-amplitude；
Transmitted wave initial phase；
The ratio between reflectance factor, i.e. echo amplitude and transmitting wave-amplitude；
Reflect wave phase；
By reflected wave powers by the relationship of Fourier transformation available power and frequency, and then obtain the pass of signal strength and distance
System, to judge the distance between human body and radar installations, when head position increases from being above the ground level to ground distance, and with
It is judged to that tumble phenomenon occurs when speed 0.01m/s-13m/s is with acceleration.
7. hidden radar tumble alarm method according to claim 1 or 6, characterized in that at the signal in step 2)
Reason analysis module is previously stored with the height on room to floor and the height of monitored head part, head position when standing state
Apart from radar signal detection module be 0-22m, fall to ground when, head position apart from radar signal detection module be 25m with
Under, and do not change highly after children under guardianship are in ground 3-50 seconds, then it is judged to falling.
8. hidden radar tumble alarm method according to claim 1, characterized in that the Radar Signal Detection mould
Block is installed for hidden, realizes contactless monitoring.
9. hidden radar tumble alarm method according to claim 1, characterized in that the communication module is by data
While being uploaded to server, warning message is directly passed to by alarm by itself WIFI function.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109961058A (en) * | 2019-04-03 | 2019-07-02 | 湖南省顺鸿智能科技有限公司 | A kind of contactless fall detection method and device |
| CN110703241A (en) * | 2019-09-26 | 2020-01-17 | 弗徕威智能机器人科技（上海）有限公司 | Human body falling detection self-adaptive system and device based on UWB radar |
| WO2020103410A1 (en) * | 2018-11-22 | 2020-05-28 | 九牧厨卫股份有限公司 | Detection method, detection device, terminal, and detection system |
| WO2020103409A1 (en) * | 2018-11-22 | 2020-05-28 | 九牧厨卫股份有限公司 | Detection method, detection apparatus, terminal and detection system |
| CN111436943A (en) * | 2020-04-15 | 2020-07-24 | 山东省科学院自动化研究所 | Non-contact type bathroom falling detection monitoring system and method |
| CN112155540A (en) * | 2020-09-30 | 2021-01-01 | 重庆仙桃前沿消费行为大数据有限公司 | Acquisition imaging system and method for complex object |
| CN112782681A (en) * | 2020-12-31 | 2021-05-11 | 杭州电子科技大学 | Indoor positioning and falling detection system and method based on millimeter waves and Internet of things |
| TWI728640B (en) * | 2020-01-03 | 2021-05-21 | 昇雷科技股份有限公司 | Object posture sensing method |
| CN114127816A (en) * | 2019-07-18 | 2022-03-01 | 阿特拉斯5D公司 | System and method for on-floor detection without the need for wearable items |
| TWI797776B (en) * | 2021-10-14 | 2023-04-01 | 建國科技大學 | Fall detector of radar technology |
| CN116824478A (en) * | 2022-12-28 | 2023-09-29 | 慧之安信息技术股份有限公司 | Method for managing dangerous scenic spots based on AI image recognition and Internet of things technology |
| US12027028B2 (en) | 2020-06-03 | 2024-07-02 | Essence Smartcare Ltd. | Controlling frame rate of active reflected wave detector |
| US12087144B2 (en) | 2020-05-21 | 2024-09-10 | Essence Smartcare Ltd. | Device and method for determining a status of a person |
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| CN111436943A (en) * | 2020-04-15 | 2020-07-24 | 山东省科学院自动化研究所 | Non-contact type bathroom falling detection monitoring system and method |
| US12087144B2 (en) | 2020-05-21 | 2024-09-10 | Essence Smartcare Ltd. | Device and method for determining a status of a person |
| US12027028B2 (en) | 2020-06-03 | 2024-07-02 | Essence Smartcare Ltd. | Controlling frame rate of active reflected wave detector |
| CN112155540A (en) * | 2020-09-30 | 2021-01-01 | 重庆仙桃前沿消费行为大数据有限公司 | Acquisition imaging system and method for complex object |
| CN112782681A (en) * | 2020-12-31 | 2021-05-11 | 杭州电子科技大学 | Indoor positioning and falling detection system and method based on millimeter waves and Internet of things |
| CN112782681B (en) * | 2020-12-31 | 2024-05-24 | 杭州电子科技大学 | Indoor positioning and falling detection system and method based on millimeter wave and Internet of things |
| TWI797776B (en) * | 2021-10-14 | 2023-04-01 | 建國科技大學 | Fall detector of radar technology |
| CN116824478A (en) * | 2022-12-28 | 2023-09-29 | 慧之安信息技术股份有限公司 | Method for managing dangerous scenic spots based on AI image recognition and Internet of things technology |
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