CN103646506A - Fall-down monitoring system with voice communication function - Google Patents
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- CN103646506A CN103646506A CN201310565035.5A CN201310565035A CN103646506A CN 103646506 A CN103646506 A CN 103646506A CN 201310565035 A CN201310565035 A CN 201310565035A CN 103646506 A CN103646506 A CN 103646506A
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Abstract
The invention discloses a fall-down monitoring system with a voice communication function. The system includes a fall-down monitoring terminal and a guardianship terminal, which are in communication through a communication network. The fall-down monitoring terminal includes a microprocessor, a data acquisition unit, an audio modulation chip, a voice communication button and a wireless communication module A. The audio modulation chip is connected with an audio signal I/O port of the microprocessor. The microphone and a loudspeaker are connected with the audio modulation chip respectively. The wireless communication A is connected with the microprocessor. The voice communication button is arranged on a casing of the fall-down monitoring terminal and connected with the microprocessor. The data acquisition unit includes a pressure acquisition subunit, an acceleration acquisition subunit and an angular speed acquisition subunit. The fall-down monitoring system with the voice communication function has remote monitoring and voice communication functions and adopts the wearable fall-down monitoring terminal so that the system is convenient to carry; the system judges whether a person under guardianship falls down through combination of a plurality of sensors so that accuracy is high; and the system is capable of timely cancellation under a condition that a false alarm happens so that unnecessary troubles are avoided.
Description
Technical field
The present invention relates to a kind of fall monitoring system with function of voice communication.
Background technology
The situation is tense in Chinese population aging, present population and accelerate aging, aging and the large feature of empty nesting three, development along with social senilization, empty nest Old Age Homes's ratio will be more and more higher, according to statistics, in elderly population, have every year and surpass 1/3 the people experience of falling, and the first cause of the elderly's unexpected injury is to fall, surprisingly slip or the breaking out and worsen and all likely cause falling of certain disease, when falling, if can not be given first aid to timely, incur loss through delay relief and will injure life opportunity.Therefore, develop a kind of Falls Among Old People monitoring system, in the situation that not affecting the elderly's daily life, when falling event, warning timely or contact guardian are significant.
At present, the means that detect for Falls in Old People mainly contain: 1. video monitoring equipment is installed, and this mode is expensive and carry inconvenience, and, can not protect old man's individual privacy; 2. by the analysis frequency that moment occurs of falling, distinguish daily life event and the event of falling, this mode is very high to the requirement of environment, bad adaptability, and for different ground, the unstable properties of fall detection.Further, in prior art, also there is the fall monitoring device of wearing at any time, mainly by acceleration detection, to judge the event of falling a situation arises, but still have the following disadvantages: (1) is because human body daily behavior Comparison of Gardening Activities is complicated, merely according to the fall judgement of event of the information of acceleration transducer, easily occur the phenomenon of erroneous judgement, judgment accuracy is poor; (2) acceleration transducer is often placed in waist location, and the variation of waist location acceleration is comparatively speaking less, makes the monitoring precision of acceleration information general; (3) only send warning message, do not there is the function of voice communication, in case of emergency, can not carry out voice communication with guardian, cannot take timely some necessary emergency treatments, injury is dropped to minimum.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of fall monitoring system with function of voice communication that realizes remote monitoring is provided, it adopts wearable fall monitoring terminal, can not affect children under guardianship's daily routines, easy to carry; Can realize the voice communication between guardian and ward; The detection information of pressure transducer, acceleration transducer and angular-rate sensor is combined to judge whether children under guardianship fall, and accuracy is high, good reliability; Can in the situation that there is false alarm, cancel in time, avoid unnecessary trouble.
The object of the invention is to be achieved through the following technical solutions: a kind of fall monitoring system with function of voice communication, it comprises wearable fall monitoring terminal and monitoring terminal, fall monitoring terminal communicates by communication network and monitoring terminal.
Described fall monitoring terminal comprises microprocessor, data acquisition unit, voice modulation chip, voice communication button and wireless communication module A, voice modulation chip is connected with the sound signal I/O mouth of microprocessor, be responsible for the input and output of voice, microphone is connected with voice modulation chip respectively with loudspeaker, wireless communication module A is directly connected with microprocessor, for controlling the voice communication button of microphone voice signal input, be arranged on fall monitoring terminal enclosure, and connect microprocessor.
Described data acquisition unit comprises that pressure acquisition subelement, acceleration gather subelement and angular velocity detecting subelement, pressure acquisition subelement is arranged on position, vola, comprise pressure transducer, signal conditioning circuit, wireless communication module B and single-chip microcomputer, pressure transducer is connected with single-chip microcomputer by signal conditioning circuit, pressure transducer is for monitoring the pressure in vola, and single-chip microcomputer communicates by wireless communication module B and wireless communication module A and microprocessor; Acceleration gathers subelement and comprises acceleration transducer and low-pass filter circuit A, and acceleration transducer is connected with microprocessor by low-pass filter circuit A; Angular velocity detecting subelement comprises angular-rate sensor and low-pass filter circuit B, and angular-rate sensor is connected with microprocessor by low-pass filter circuit B.
Concrete, described monitoring terminal comprises smart mobile phone, panel computer or PC.
The microprocessor of described fall monitoring terminal, acceleration gather subelement and angular velocity detecting subelement is all placed in shoulders of human body position.
Described fall monitoring terminal also comprises locating module, and locating module is connected with microprocessor by bus.
Described fall monitoring terminal also comprises alarm, and alarm is connected with microprocessor.
Described fall monitoring terminal also comprises reset key, and reset key is connected with microprocessor, for cancelling the transmission of the information of falling.
The invention has the beneficial effects as follows:
(1) can real-time remote monitoring by guardianship, when children under guardianship fall, the information exchange of falling the very first time is crossed communication network and is sent to monitoring terminal, is convenient to give first aid to timely;
(2) adopt wearable fall monitoring terminal, can not affect children under guardianship's daily routines, easy to carry;
(3) be provided with voice modulation chip, when children under guardianship fall, press voice communication button, just can carry out voice communication by microphone and guardian, at the critical moment, can take some necessary emergency treatments by the mode of voice communication, and then injury be dropped to minimum;
(4) by pressure transducer, detect foot force value, by acceleration transducer sense acceleration feature, by angular-rate sensor, detect angular velocity feature, triplicity judges that whether children under guardianship fall, and can improve the accuracy of testing result;
(5) angular-rate sensor and acceleration transducer etc. are all positioned at shoulders of human body position, in the process of falling, the variation of acceleration, the variation of the angle of pitch are the most obvious, and acceleration, the accuracy of angular velocity monitoring result are high, in addition, be also convenient to children under guardianship and guardian and carry out voice communication;
(6) be provided with reset key, in the situation that there is false alarm, children under guardianship can press reset key, cancel the long-range transmission of the information of falling, the unnecessary trouble of avoiding wrong report to bring.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention;
Fig. 2 is the theory diagram of fall monitoring terminal.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail, but protection scope of the present invention is not limited to the following stated.
As shown in Figure 1, a kind of fall monitoring system with function of voice communication, it comprises wearable fall monitoring terminal and monitoring terminal, fall monitoring terminal communicates by communication network and monitoring terminal.Monitoring terminal comprises smart mobile phone, panel computer or PC, but be not limited to, these are several.
As shown in Figure 2, described fall monitoring terminal comprises microprocessor, data acquisition unit, voice modulation chip, voice communication button and wireless communication module A, voice modulation chip is connected with the sound signal I/O mouth of microprocessor, voice modulation chip adopts CVSD(to connect variable slope delta modulation) chip, be responsible for the input and output of voice, CVSD chip both can be realized voice coding function, also there is tone decoding function, and connect easy to use, microphone is connected with voice modulation chip respectively with loudspeaker, completes the input and output of voice.Wireless communication module A is directly connected with microprocessor.Voice communication button is arranged in fall monitoring terminal enclosure, and connect microprocessor, voice communication button is for controlling the input and output of voice, generally, in phonetic incepting state, be that microprocessor reads the data from wireless communication module A, give voice modulation chip, when voice communication button is pressed, microphone is in receiving the state of voice, the data of microphone output are debugged chip by audio frequency and are encoded, and microprocessor reads this coded data, after processing, by wireless communication module A, sends.For easy to carry, fall monitoring terminal adopts lithium battery to power.
Described data acquisition unit comprises that pressure acquisition subelement, acceleration gather subelement and angular velocity detecting subelement, pressure acquisition subelement is arranged on position, vola, vola, left and right all has, and acceleration gathers subelement and angular velocity detecting subelement is all positioned at shoulders of human body position.Because human body is when falling, the variation of shoulder acceleration and the variation of the angle of pitch are comparatively obvious, and degree of will speed up collecting unit and angular velocity detecting unit are placed in shoulders of human body position, can improve the accuracy of acceleration information and angular velocity information monitoring result.Pressure acquisition subelement comprises pressure transducer, signal conditioning circuit, wireless communication module B and single-chip microcomputer, pressure transducer is connected with single-chip microcomputer by signal conditioning circuit, pressure transducer is for monitoring the pressure in vola, and single-chip microcomputer communicates by wireless communication module B and wireless communication module A and microprocessor.Acceleration gathers subelement and comprises acceleration transducer and low-pass filter circuit A, and acceleration transducer is connected with microprocessor by low-pass filter circuit A.Angular velocity detecting subelement comprises angular-rate sensor and low-pass filter circuit B, and angular-rate sensor is connected with microprocessor by low-pass filter circuit B, and angular-rate sensor adopts dual spindle gyroscopes.
During monitoring, the pressure acquisition subelement Real-time Collection human body left foot bottom pressure value of left foot, after the processing of signal conditioning circuit and single-chip microcomputer, by wireless communication module, B is sent to microprocessor, the pressure acquisition subelement of right crus of diaphragm and the pressure acquisition subelement of left foot are symmetrical, functional similarity, Real-time Collection right crus of diaphragm bottom pressure value is also sent to microprocessor.Acceleration gathers subelement Real-time Collection acceleration information, and angular velocity detecting subelement Real-time Collection angular velocity information, after processing, is sent to microprocessor by low-pass filter circuit.
The microprocessor of described fall monitoring terminal is placed in shoulders of human body position, makes the position of microphone relatively near, when children under guardianship fall, facilitates and between children under guardianship and guardian, carries out voice communication.
Described fall monitoring terminal also comprises locating module, and locating module is connected with microprocessor by bus.Locating module is used for realizing positioning function, when children under guardianship fall, is convenient to guardian and understands timely its particular location.
Described fall monitoring terminal also comprises alarm, and alarm is connected with microprocessor.
Described fall monitoring terminal also comprises reset key, and reset key is connected with microprocessor, for cancelling the transmission of the information of falling.When occurring in the situation of false alarm, children under guardianship person can manually cancel.
Claims (6)
1. a fall monitoring system with function of voice communication, is characterized in that: it comprises wearable fall monitoring terminal and monitoring terminal, and fall monitoring terminal communicates by communication network and monitoring terminal;
Described fall monitoring terminal comprises microprocessor, data acquisition unit, voice modulation chip, voice communication button and wireless communication module A, voice modulation chip is connected with the sound signal I/O mouth of microprocessor, be responsible for the input and output of voice, microphone is connected with voice modulation chip respectively with loudspeaker, wireless communication module A is directly connected with microprocessor, for controlling the voice communication button of microphone voice signal input, be arranged on fall monitoring terminal enclosure, and connect microprocessor;
Described data acquisition unit comprises that pressure acquisition subelement, acceleration gather subelement and angular velocity detecting subelement, pressure acquisition subelement is arranged on position, vola, comprise pressure transducer, signal conditioning circuit, wireless communication module B and single-chip microcomputer, pressure transducer is connected with single-chip microcomputer by signal conditioning circuit, pressure transducer is for monitoring the pressure in vola, and single-chip microcomputer communicates by wireless communication module B and wireless communication module A and microprocessor; Acceleration gathers subelement and comprises acceleration transducer and low-pass filter circuit A, and acceleration transducer is connected with microprocessor by low-pass filter circuit A; Angular velocity detecting subelement comprises angular-rate sensor and low-pass filter circuit B, and angular-rate sensor is connected with microprocessor by low-pass filter circuit B.
2. a kind of fall monitoring system with function of voice communication according to claim 1, is characterized in that: described monitoring terminal comprises smart mobile phone, panel computer or PC.
3. a kind of fall monitoring system with function of voice communication according to claim 1, is characterized in that: the microprocessor of described fall monitoring terminal, acceleration gather subelement and angular velocity detecting subelement is all placed in shoulders of human body position.
4. a kind of fall monitoring system with function of voice communication according to claim 1, is characterized in that: described fall monitoring terminal also comprises locating module, and locating module is connected with microprocessor by bus.
5. a kind of fall monitoring system with function of voice communication according to claim 1, is characterized in that: described fall monitoring terminal also comprises alarm, and alarm is connected with microprocessor.
6. a kind of fall monitoring system with function of voice communication according to claim 1, is characterized in that: described fall monitoring terminal also comprises reset key, and reset key is connected with microprocessor, for cancelling the transmission of the information of falling.
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| CN104110891A (en) * | 2014-07-14 | 2014-10-22 | 芜湖美的厨卫电器制造有限公司 | Water heater, water heater system, water heater control method, wearable intelligent device and server |
| CN104146712A (en) * | 2014-07-15 | 2014-11-19 | 辛义忠 | Wearable plantar pressure detection apparatus and plantar pressure detection and attitude prediction method |
| CN104224182A (en) * | 2014-03-31 | 2014-12-24 | 桂林电子科技大学 | Method and device for monitoring human tumbling |
| CN104392583A (en) * | 2014-11-27 | 2015-03-04 | 北京工业大学 | Fall detection and alarm system and method based on KNN algorithm |
| CN104434080A (en) * | 2014-12-16 | 2015-03-25 | 中国矿业大学 | Piezoelectric film based falling and heart rate monitoring and automatic help system |
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| CN104224182A (en) * | 2014-03-31 | 2014-12-24 | 桂林电子科技大学 | Method and device for monitoring human tumbling |
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| CN105046881A (en) * | 2015-06-04 | 2015-11-11 | 浙江好络维医疗技术有限公司 | Alarm against tumble of elder |
| CN105243787A (en) * | 2015-06-04 | 2016-01-13 | 浙江好络维医疗技术有限公司 | Old people fall alarm system, alarm method and alarm device |
| CN105185037A (en) * | 2015-07-31 | 2015-12-23 | 熊贤浪 | Falling detection apparatus and method applied to shoe |
| CN105046927A (en) * | 2015-09-09 | 2015-11-11 | 成都手杖科技有限公司 | Wearable tumble monitoring system |
| CN105869355A (en) * | 2016-06-23 | 2016-08-17 | 秦红星 | Portable one-button calling device for old people |
| CN106971502A (en) * | 2017-03-15 | 2017-07-21 | 上海工程技术大学 | One kind is based on the united quick fall detection system of multisensor and method |
| CN108095894A (en) * | 2018-01-30 | 2018-06-01 | 成都四海万联科技有限公司 | A kind of anti-tumble waist support equipment |
| CN108460955A (en) * | 2018-04-10 | 2018-08-28 | 天津市易路发科技发展股份有限公司 | A kind of virtual endowment community management system |
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