CN203165176U - A human body post monitoring device based on heartbeat detection and a human body post monitoring system based on heartbeat detection - Google Patents
A human body post monitoring device based on heartbeat detection and a human body post monitoring system based on heartbeat detection Download PDFInfo
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- CN203165176U CN203165176U CN 201220601644 CN201220601644U CN203165176U CN 203165176 U CN203165176 U CN 203165176U CN 201220601644 CN201220601644 CN 201220601644 CN 201220601644 U CN201220601644 U CN 201220601644U CN 203165176 U CN203165176 U CN 203165176U
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Abstract
The embodiment of the utility model provides a human body post monitoring device based on heartbeat detection. A human body post monitoring system mainly includes: the human body post monitoring device which is arranged on a human body and is used for converting the biological pulse signal of the human body into an electrical signal, the electrical signal is subjected to amplification, filtration and logic implementation, according to the processed electrical signal, an electromagnetic wave signal is generated, and the electromagnetic wave signal is sent to a position confirmation device through a wireless communications network; and a position confirmation device for confirming the position of the human body based on the electromagnetic wave signal sent by the human body post monitoring device and determining if the position of the human body is in line with a pre-set working position range, and if so, determining the human body does not leave a working position range, otherwise, determining the human body leaves the working position range. The human body post monitoring device based on heartbeat detection provided in the utility model can real-time detect the position of the human body such as a sentinel, effectively performing post detection on human bodies such as sentinels, and thereby preventing unauthorized off sentry duty post of human bodies such as sentinels.
Description
Technical field
The utility model relates to communication technical field, relates in particular to a kind of human body post monitoring device and system based on heartbeat detection.
Background technology
The sentry can have a strong impact on national security, social safety, life property safety of people as the security monitoring people in important places such as the national frontier defense outpost of the tax office, great strategic facility, Party and government offices, public place in case break away from work position without authorization.When the sentry leaves post, the mistake whistle, when taking rifle and dereliction of duty, misconduct such as escaping, safety that can serious threat target on duty influences finishing of task on duty.
Also there is not a kind of method of effectively sentry being carried out the post detection in the prior art.
The utility model content
Embodiment of the present utility model provides a kind of human body post monitoring device and system based on heartbeat detection, to realize that effectively human bodies such as sentry being carried out the post detects.
A kind of human body post monitoring device based on heartbeat detection comprises:
Heartbeat sensor is connected with sensor interface, directly contacts the skin of human body, changes the biological pulse signal of human body into continual electric signal, and this electric signal is transferred to sensor interface;
Sensor interface is connected with heartbeat sensor, processor, and the electric signal that described heartbeat sensor is transmitted amplifies, filtering is handled, and the electric signal after handling is transferred to processor;
Processor is connected with sensor interface, transceiver, and the electric signal that described sensor interface is transmitted carries out the logic realization processing, obtains baseband signal, and this baseband signal is transferred to transceiver;
Transceiver is connected with processor, and the baseband signal that processor is transmitted converts radiofrequency signal to, and this radiofrequency signal is sent to antenna;
Antenna is connected with transceiver, and the radiofrequency signal radiation that transceiver is sended over becomes electromagnetic wave signal, and this electromagnetic wave signal is launched.
A kind of human body post monitoring system based on heartbeat detection, comprise described human body post monitoring device and position acknowledging device, described position acknowledging device and the wireless connections of described human body post monitoring device are determined the residing position of described human body according to the electromagnetic wave signal that described human body post monitoring device sends over.
The technical scheme that is provided by above-mentioned embodiment of the present utility model as can be seen, the utility model provides a kind of human body post monitoring device with heartbeat detection, can detect the position of human bodies such as sentry in real time, effectively human bodies such as sentry are carried out the post and detect, thereby prevent that the sentry from waiting human body to break away from post on duty without authorization.
Description of drawings
The concrete structure synoptic diagram of a kind of human body post monitoring system based on heartbeat detection that Fig. 1 provides for the utility model embodiment;
The concrete structure synoptic diagram of a kind of human body post monitoring device that Fig. 2 provides for the utility model embodiment;
The concrete structure synoptic diagram of a kind of heartbeat sensor that Fig. 3 provides for the utility model embodiment;
The concrete structure synoptic diagram of a kind of sensor interface that Fig. 4 provides for the utility model embodiment;
The concrete structure synoptic diagram of the another kind of sensor interface that Fig. 5 provides for the utility model embodiment;
The concrete structure synoptic diagram of a kind of processor that Fig. 6 provides for the utility model embodiment;
The concrete structure synoptic diagram of a kind of radio-frequency (RF) transceiver that Fig. 7 provides for the utility model embodiment.
Embodiment
For ease of the understanding to the utility model embodiment, be that example is further explained explanation below in conjunction with accompanying drawing with several specific embodiments, and each embodiment does not constitute the restriction to the utility model embodiment.
The utility model embodiment provide based on the concrete structure synoptic diagram of the human body post monitoring system of heartbeat detection as shown in Figure 1, comprising: human body post monitoring device 11 and position acknowledging device 12.
Human body post monitoring device 11, and connect by cordless communication network between the position acknowledging device 12, be arranged on the human body, such as, can be worn on the wrist of human body.The biological pulse signal of human body is converted to electric signal, to this electric signal amplify, processing such as filtering, logic realization, according to the signal that generates electromagnetic waves of the electric signal after handling, by cordless communication network above-mentioned electromagnetic wave signal is sent to position acknowledging device 12.
Position acknowledging device 12, and connect by cordless communication network between the human body post monitoring device 11, determine the residing position of above-mentioned human body (also being the residing position of human body post monitoring device) according to the electromagnetic wave signal that above-mentioned human body post monitoring device 11 sends over, judge whether the residing position of above-mentioned human body meets predefined working position scope, if determine that then above-mentioned human body does not leave the working position scope; Otherwise, determine that above-mentioned human body leaves the working position scope.Above-mentioned human body can be the sentry.
The concrete structure synoptic diagram of above-mentioned human body post monitoring device comprises heartbeat sensor 21, sensor interface 22, processor 23, transceiver 24 and antenna 25 as shown in Figure 2.
Heartbeat sensor 21 is connected with sensor interface 22, directly contacts the skin of human body, changes the biological pulse signal of human body into continual electric signal, and this electric signal is transferred to sensor interface 12.As a kind of preferred embodiment, Fig. 3 is a kind of structural representation of heartbeat sensor.This heartbeat sensor is made up of piezoelectric ceramics 31, amplifying circuit 32 and impedance conversion 33 3 parts.The output of piezoelectric ceramics 31 connects the input of amplifying circuit 32, and the output of amplifying circuit 32 connects the input of impedance conversion 33.Piezoelectric ceramics 31 is as a kind of inverting element, it can be continual small electric signal with small mechanical change transitions, the biological pulse signal that is about to small human body changes continual small electric signal into, and amplifying circuit 32 carries out preposition amplification with the small electric signal of piezoelectric ceramics 31 outputs; The impedance conversion is carried out in the output impedance of 33 pairs of amplifying circuits 32 of impedance conversion, improves the driving force of heartbeat sensor, and the electric signal that amplifying circuit is exported is transferred to sensor interface.
Sensor interface 22 is connected with heartbeat sensor 21, processor 23, and the electric signal that above-mentioned heartbeat sensor 21 is transmitted amplifies, filtering is handled, and the electric signal after handling is transferred to processor 23.The effect of sensor interface 22 converts the output of heartbeat sensor 21 to processor 23 manageable signals, and sensor interface has multiple implementation.As a kind of preferred embodiment, Fig. 4 is a kind of structural representation of sensor interface 22, comprise amplifying circuit 41, filtering circuit 42 and ADC43(Analog toDigital Converter, A-D converter) three parts, the output of amplifying circuit 41 connects the input of filtering circuit 42, and the output of filtering circuit 42 connects the input of ADC43.The electric signal of 41 pairs of heartbeat sensors of amplifying circuit, 21 outputs amplifies, and the electric signal after the amplification can improve the precision of ADC43.The electric signal of 42 pairs of amplifying circuits of filtering circuit, 41 outputs carries out shaping and filtering, noises such as filtering part power supply signal, the signal to noise ratio (S/N ratio) of raising electric signal.ADC43 is as a kind of mould, number converter, and the electric signal of the simulation that filtering circuit 42 can be exported is converted to the digital signal that processor needs, and this digital signal is exported to processor.
As another preferred embodiment, Fig. 5 is the structural representation of another kind of sensor interface 22, comprises amplification and rectification circuit, VCO(voltage-controlled oscillator, voltage controlled oscillator) and three parts such as photoelectric coupled circuit.Amplification and rectification circuit carries out preposition amplification and filter shape processing to the electric signal of sensor output, electric signal after handling is exported to VCO, VCO changes the electric signal of amplification and rectification circuit output into frequency signal, this frequency signal is exported to photoelectric coupled circuit, photoelectric coupled circuit is exported to processor with the said frequencies signal, isolate the frequency signal of output and the electric signal of input, improve the signal to noise ratio (S/N ratio) of output signal.
Processor 23, be connected with sensor interface 22, transceiver 24, the electric signal that the sensor interface 22 transmits is handled and the logic function realization, obtain baseband signal, this baseband signal is transferred to transceiver 24, the work of the receiving and transmitting signal of control transceiver 24 and the data of emission.Type according to sensor interface circuitry is handled the signal of input.Sensor interface circuitry adopts analog/digital conversion in one embodiment, and processor is by tabling look-up or formula calculates the size of corresponding analog quantity; Sensor interface circuitry adopts pressure/frequency inverted in another kind of embodiment, and processor calculates the size of corresponding analog quantity by the size of digital quantity frequency.
As a kind of preferred embodiment, Fig. 6 is a kind of structural representation of processor 23, and this processor 23 is made up of processor core, clock, power supply, storer and IO interface.Processor core is the core of processor, processor core, be connected with clock, power supply, storer and IO interface, carrying out signal handles and control program, the electric signal that sensor interface transmits is handled and the logic function realization, obtain baseband signal, this baseband signal is transferred to transceiver, beginning and the end of the receiving and transmitting signal of control transceiver; Clock is connected with processor core, provides clock signal to processor core; Power supply is connected with processor core, powers to processor core; Storer is connected with processor core, and storage signal is handled and control program; The IO interface is connected with processor core, and the interface circuit of processor core and peripheral components is provided.
Transceiver 24 is connected with processor 23, antenna 25, receives in wireless network and the emission wireless signal.As a kind of preferred embodiment, Fig. 7 is a kind of structural representation of transceiver 24, is made up of transmitter and receiver.Transmitter is by DAC(Digital to Analog Converter, digital-to-analog converter), low-pass filter, upconverter and power amplifier are formed, the output of DAC connects the input of low-pass filter, the output of low-pass filter connects the input of upconverter, and the output of upconverter connects the input of power amplifier.DAC converts the baseband signal that processor 23 transmits to simulating signal, low-pass filter carries out low-pass filtering to the simulating signal of DAC output, the signal frequency of the simulating signal of upconverter after with low-pass filtering is modulated to carrier frequency, the simulating signal of power amplifier after to frequency modulation (PFM) carried out power amplification and obtained radiofrequency signal, and this radiofrequency signal is sent to antenna.Receiver comprises low noise amplifier, low-converter, and complex filter and ADC, the output of low noise amplifier connects the input of low-converter, and the output of low-converter connects the input of complex filter, and the output of complex filter connects the input of ADC.Low noise amplifier amplifies the electromagnetic wave signal that antenna sends over, low-converter carries out demodulation to the radiofrequency signal after amplifying, the radiofrequency signal of complex filter after to demodulation carried out filtering and obtained simulating signal, and ADC becomes above-mentioned simulating signal into digital signal, offers processor.
Antenna 25, be connected with transceiver 24, be responsible for transmitting and receiving electromagnetic wave signal, the radiofrequency signal radiation that transceiver 24 is sended over becomes electromagnetic wave signal, this electromagnetic wave signal is transmitted to position acknowledging device, convert the electromagnetic wave signal that receives to radiofrequency signal, this radiofrequency signal is sent to transceiver 24.
One of ordinary skill in the art will appreciate that: accompanying drawing is the synoptic diagram of an embodiment, and the module in the accompanying drawing or flow process might not be that enforcement the utility model is necessary.
One of ordinary skill in the art will appreciate that: the module in the equipment among the embodiment can be described according to embodiment and be distributed in the equipment of embodiment, also can carry out respective change and be arranged in the one or more equipment that are different from present embodiment.The module of above-described embodiment can be merged into a module, also can further split into a plurality of submodules.
In sum, the utility model embodiment provides a kind of human body post monitoring device with heartbeat detection, can detect the position of human bodies such as sentry in real time, effectively human bodies such as sentry is carried out the post and detects, thereby prevent that the sentry from waiting human body to break away from post on duty without authorization.
The above; it only is the preferable embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (8)
1. the human body post monitoring device based on heartbeat detection is characterized in that, comprising:
Heartbeat sensor is connected with sensor interface, directly contacts the skin of human body, changes the biological pulse signal of human body into continual electric signal, and this electric signal is transferred to sensor interface;
Sensor interface is connected with heartbeat sensor, processor, and the electric signal that described heartbeat sensor is transmitted amplifies, filtering is handled, and the electric signal after handling is transferred to processor;
Processor is connected with sensor interface, transceiver, and the electric signal that described sensor interface is transmitted carries out the logic realization processing, obtains baseband signal, and this baseband signal is transferred to transceiver;
Transceiver is connected with processor, and the baseband signal that processor is transmitted converts radiofrequency signal to, and this radiofrequency signal is sent to antenna;
Antenna is connected with transceiver, and the radiofrequency signal radiation that transceiver is sended over becomes electromagnetic wave signal, and this electromagnetic wave signal is launched.
2. the human body post monitoring device based on heartbeat detection according to claim 1 is characterized in that described heartbeat sensor comprises:
Piezoelectric ceramics is connected with amplifying circuit, changes the biological pulse signal of human body into continual electric signal, and this electric signal is sent to amplifying circuit;
Amplifying circuit is connected with piezoelectric ceramics, impedance conversion, and the electric signal that piezoelectric ceramics is transmitted carries out preposition amplification, and the electric signal after amplifying is sent to impedance transformer;
Impedance transformer is connected with amplifying circuit, and the impedance conversion is carried out in the output impedance of amplifying circuit, and the electric signal that amplifying circuit is exported is transferred to sensor interface.
3. the human body post monitoring device based on heartbeat detection according to claim 1 is characterized in that described sensor interface comprises:
Amplifying circuit is connected with filtering circuit, and the electric signal that heartbeat sensor is exported amplifies, and the electric signal after amplifying is exported to filtering circuit;
Filtering circuit is connected with amplifying circuit, A-D converter, and the electric signal that amplifying circuit is exported carries out shaping and filtering, and A-D converter is exported in shaping and filtered electric signal;
A-D converter is connected with filtering circuit, and the electric signal of the simulation of filtering circuit output is converted to digital signal, and this digital signal is exported to processor.
4. the human body post monitoring device based on heartbeat detection according to claim 1 is characterized in that described sensor interface comprises:
Amplification and rectification circuit is connected with voltage controlled oscillator, and the electric signal that sensor is exported carries out preposition amplification and filter shape processing, and the electric signal after handling is exported to voltage controlled oscillator;
Voltage controlled oscillator is connected with amplification and rectification circuit, photoelectric coupled circuit, and the electric signal that amplification and rectification circuit is exported changes frequency signal into, and this frequency signal is exported to photoelectric coupled circuit;
Photoelectric coupled circuit is connected with voltage controlled oscillator, and the frequency signal of described voltage controlled oscillator output is exported to processor, isolates the frequency signal of output and the electric signal of input.
5. the human body post monitoring device based on heartbeat detection according to claim 1 is characterized in that described processor comprises:
Processor core is connected with clock, power supply, storer and IO interface, and the electric signal that sensor interface is transmitted carries out the logic realization processing, obtains baseband signal, and this baseband signal is transferred to transceiver, the opening and closing of control transceiver;
Clock is connected with processor core, provides clock signal to processor core;
Power supply is connected with processor core, powers to processor core;
Storer is connected with processor core, the storage baseband signal;
The IO interface is connected with processor core, and the interface circuit of processor core and peripheral components is provided.
6. according to each described human body post monitoring device based on heartbeat detection of claim 1 to 5, it is characterized in that described transceiver comprises:
Digital-to-analog converter is connected with low-pass filter, and the baseband signal that processor is transmitted converts simulating signal to, with this analog signal transmission low-pass filter;
Low-pass filter is connected with digital-to-analog converter, upconverter, and the simulating signal of logarithmic mode transducer output is carried out low-pass filtering, and the simulating signal after the low-pass filtering is exported to upconverter;
Upconverter is connected with low-pass filter, power amplifier, and the signal frequency of the simulating signal of described low-pass filter output is modulated to carrier frequency, and the simulating signal after the frequency modulation (PFM) is exported to power amplifier;
Power amplifier is connected with upconverter, the simulating signal of upconverter output is carried out power amplification obtain radiofrequency signal, and this radiofrequency signal is sent to antenna.
7. the human body post monitoring device based on heartbeat detection according to claim 6 is characterized in that described transceiver also comprises:
Low noise amplifier is connected with low-converter, and the radiofrequency signal that antenna sends over is amplified, and the electromagnetic wave signal after amplifying is transferred to low-converter;
Low-converter is connected with low noise amplifier, complex filter, and the electromagnetic wave signal that low noise amplifier is transmitted carries out demodulation, and the electromagnetic wave signal after the demodulation is transferred to complex filter;
Complex filter is connected with low-converter, A-D converter, and the electromagnetic wave signal after the demodulation that low-converter is transmitted carries out filtering and obtains simulating signal, gives A-D converter with this analog signal transmission;
A-D converter is connected with complex filter, and the analog signal conversion that complex filter is transmitted becomes digital signal, gives processor with this digital data transmission.
8. human body post monitoring system based on heartbeat detection, it is characterized in that, comprise as claim 1 to 7 each described human body post monitoring device and position acknowledging device, described position acknowledging device and the wireless connections of described human body post monitoring device are determined the residing position of described human body according to the electromagnetic wave signal that described human body post monitoring device sends over.
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| CN 201220601644 CN203165176U (en) | 2012-11-14 | 2012-11-14 | A human body post monitoring device based on heartbeat detection and a human body post monitoring system based on heartbeat detection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104524692A (en) * | 2014-12-23 | 2015-04-22 | 华南理工大学 | Implantable multi-channel electroneurographic signal acquisition circuit and achieving method thereof |
| CN109717843A (en) * | 2017-10-27 | 2019-05-07 | 贵州骏江实业有限公司 | A kind of palmus detection system and detection method |
-
2012
- 2012-11-14 CN CN 201220601644 patent/CN203165176U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104524692A (en) * | 2014-12-23 | 2015-04-22 | 华南理工大学 | Implantable multi-channel electroneurographic signal acquisition circuit and achieving method thereof |
| CN109717843A (en) * | 2017-10-27 | 2019-05-07 | 贵州骏江实业有限公司 | A kind of palmus detection system and detection method |
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