CN204813799U - Exercise intensity detection device - Google Patents
Exercise intensity detection device Download PDFInfo
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- CN204813799U CN204813799U CN201520049033.5U CN201520049033U CN204813799U CN 204813799 U CN204813799 U CN 204813799U CN 201520049033 U CN201520049033 U CN 201520049033U CN 204813799 U CN204813799 U CN 204813799U
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Abstract
The utility model relates to an exercise intensity detection device, including the green optical transmission circuit who is used for launching the green glow, receive the green glow signal after human reflection to be the green glow receiving circuit of the signal of telecommunication with green light signal conversion, carry out the signal of telecommunication of green glow receiving circuit output filter amplifier's filter amplifier module and receive the central processing module of the signal of telecommunication of filter amplifier module output. Adopting green glow reflection mode to carry out the pulse and detecting, compare with infrared light penetration pulse detection mode among the prior art, it is high to detect the precision, and does not need complicated circuit and algorithm signal processing, and circuit structure is simple, low cost, in addition, adopt reflective detection mode only need with this exercise intensity detection device touch any position all can, it is more convenient to use.
Description
Technical field
This utility model relates to motion detection field, is specifically related to a kind of motion strength detection device.
Background technology
Daily exercise has become modern and to have lived requisite problem, but the exercise of most users does not all have the guidance of professional person, therefore easily causes the exercise of user to have blindness.In order to improve science and the train on of user's daily exercise, avoid causing train on not obvious because exercise intensity is excessively weak, quantity of motion is not enough, or because exercise intensity is excessively strong, quantity of motion is crossed multipair human body and caused damage etc., momental motion detection apparatus for detecting user moves towards a market, enters in the motion life of people.
At present, the motion strength detection device on market mainly through detecting the pulse of monitored person to judge exercise intensity, and does not consider the otherwise factor such as body temperature, sweat levels of monitored person.Therefore the testing result of existing motion strength detection device is accurate not.
In addition, existing motion strength detection device adopts infrared penetration-detection mode to detect the pulse frequency of monitored person usually.By infrared light emission circuit transmission infrared light, infrared light is received by infrared light receiving circuit after human body, transfers to central processing module and carries out analyzing and processing, and result is carried out output display by display screen after filter and amplification.When infrared light penetrates the health of monitored person, infrared light is by the impact of monitored person's health, testing result is caused to there is error, and infrared light is through the absorption of health, the signal that infrared remote receiver receives is more weak, and clutter composition is more, need to adopt complicated circuit and algorithm to process, cause its cost to remain high, and then cause the price of motion strength detection device higher, be unfavorable for towards more vast ordinary consumer.
Utility model content
The purpose of this utility model overcomes shortcomings and deficiencies of the prior art, and provide a kind of green reflection formula motion strength detection device, accuracy of detection is high, and structure is simple, with low cost.
The purpose of this utility model is achieved through the following technical solutions:
Motion strength detection device, comprise the green emission circuit for transmitting green light, receive the green optical signal after human body reflection, and green optical signal is converted to the green glow receiving circuit of the signal of telecommunication, the signal of telecommunication that green glow receiving circuit exports is carried out the central processing module of the filter and amplification module of filter and amplification and the signal of telecommunication of the amplification module that accepts filter output.
Particularly, described green glow receiving circuit is connected with filter and amplification block coupled in series by a signal isolator.
Particularly, described signal isolator is emitter follower.
Particularly, described filter and amplification module comprises the one-level filter amplification circuit, secondary filter amplifying circuit, the three grades of filter amplification circuit that are sequentially connected in series, the input of one-level filter amplification circuit is connected with the outfan of signal isolator, and the outfan of three grades of filter amplification circuit is connected with an A/D translation interface of central processing module.
Particularly, the outfan of described three grades of filter amplification circuit is connected successively after frequency-voltage conversion circuit, level Four filter amplification circuit and is connected with an A/D translation interface of central processing module.
Particularly, described one-level filter amplification circuit, secondary filter amplifying circuit, three grades of filter amplification circuit, level Four filter amplification circuit are that frequency of reaching the standard grade is 50Hz, lower frequency limit is the bandwidth-limited circuit of 0.5Hz.
Particularly, the outfan of described three grades of filter amplification circuit is also connected with the 2nd A/D translation interface of central processing module, and central processing module exports the pulse width of the pwm signal of green emission module to according to the signal adjustment of the 2nd A/D translation interface collection.
Particularly, the outfan of described frequency-voltage conversion circuit is also connected with the control input end of comparator; The reference input of comparator is connected with central processing module, and outfan is connected with LED light.
Particularly, described motion strength detection device also comprises the temperature sensor be connected with central processing module.
Particularly, described motion strength detection device also comprises the humidity sensor be connected with central processing module.
Particularly, described motion strength detection device also comprises the vibrations generator be connected with central processing module.
Particularly, described motion strength detection device also comprises the three dimension acceleration sensor be connected with central processing module.
This utility model comprises following advantage and beneficial effect compared to existing technology:
(1) this utility model adopts green reflection mode to carry out pulse detection, compared with infrared light penetration pulse detection mode of the prior art, accuracy of detection is high, and do not need complicated circuit and algorithm process signal, circuit structure is simple, with low cost, in addition, adopt reflective detection mode only to need this motion strength detection device to touch any position, use convenient.
(2) adopt three grades of filter and amplifications, effectively strengthen detection signal, and filtering clutter composition, improve the accuracy of Monitoring Data, reduce the error of testing result, and then improve the degree of accuracy detected.
(3) pulse signal after three grades of filter amplification circuit filter and amplifications is inputed to central processing module from the 2nd A/D translation interface of central processing module, the intensity of the pulse signal that central processing module gathers according to the 2nd A/D translation interface judges the power of the green glow that green glow receiving circuit receives, thus adjustment exports the pulse width of the pwm signal of green emission circuit to, thus strengthen the green intensity of green emission circuit transmission, guarantee the pulse signal monitored person being detected accurately and effectively.
Accompanying drawing explanation
Fig. 1 is the theory diagram of motion strength detection device in embodiment;
Fig. 2 is the circuit theory diagrams of embodiment medium green optical transmission circuit;
Fig. 3 is the circuit theory diagrams of embodiment medium green optical receiving circuit;
Fig. 4 is the circuit theory diagrams of signal isolator in embodiment;
Fig. 5 is the circuit theory diagrams of one-level filter amplification circuit in embodiment;
Fig. 6 is the circuit theory diagrams of secondary filter amplifying circuit in embodiment;
Fig. 7 is the circuit theory diagrams of three grades of filter amplification circuit in embodiment;
Fig. 8 is the circuit theory diagrams of embodiment medium frequency voltage conversion circuit;
Fig. 9 is the circuit theory diagrams of level Four filter amplification circuit in embodiment;
Figure 10 is the circuit theory diagrams of D/A change-over circuit in embodiment;
Figure 11 is the circuit theory diagrams of comparator and LED light in embodiment.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, this utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Embodiment
As shown in Figure 1, motion strength detection device, comprises green emission circuit, green glow receiving circuit, signal isolator, filter and amplification module, frequency-voltage conversion circuit, level Four filter amplification circuit and central processing module.As shown in Figure 2, described green emission circuit is connected with CPU.Described filter and amplification module comprises the one-level filter amplification circuit, secondary filter amplifying circuit, the three grades of filter amplification circuit that are sequentially connected in series.As shown in Fig. 3,4,5,6,7,8,9, described green glow receiving circuit, signal isolator, one-level filter amplification circuit, secondary filter amplifying circuit, three grades of filter amplification circuit, frequency-voltage conversion circuit and level Four filter amplification circuit are sequentially connected in series.The outfan of described level Four filter amplification circuit is connected with an A/D translation interface of central processing module.The outfan of described three grades of filter amplification circuit is also connected with the 2nd A/D translation interface of central processing module.
Described green emission circuit launches the green glow of respective strengths to human body skin according to the pwm signal of CPU, green glow is received by green glow receiving circuit after human body skin reflection.Received green optical signal is converted to pulse signal by described green glow receiving circuit, and pulse signal is inputed to signal isolator, the pulse signal that signal isolator is received inputs to one-level filter amplification circuit after isolating, the pulse signal that one-level filter amplification circuit is received inputs to secondary filter amplifying circuit and carries out filter and amplification after carrying out filter and amplification, and then carries out secondary filtering amplification, three filter and amplifications through secondary filter amplifying circuit, three grades of filter amplification circuit successively.Pulse signal after three grades of filter amplification circuit filter and amplifications inputs to frequency-voltage conversion circuit, inputs to the 2nd A/D translation interface of central processing module simultaneously.After the filtering of level Four filter amplification circuit, an A/D translation interface of central processing module is inputed to after received pulse signal is converted to voltage signal by frequency-voltage conversion circuit part.Described central processing unit judges the exercise intensity of monitored person according to the voltage signal of an A/D translation interface collection, and the power of the green optical signal that green glow receiving circuit receives is judged according to the intensity of the pulse signal of the 2nd A/D translation interface collection, and be sent to the pulse width of the pwm signal of green emission circuit according to the power adjustment of the green optical signal of green glow receiving circuit reception, thus the intensity of the green glow of adjustment green emission circuit transmission.
In the present embodiment, described one-level filter amplification circuit, secondary filter amplifying circuit, three grades of filter amplification circuit and level Four filter amplification circuit are that frequency of reaching the standard grade is 50Hz, lower frequency limit is the bandwidth-limited circuit of 0.5Hz.
As shown in Figure 10,11, in the present embodiment, the outfan of described frequency-voltage conversion circuit is also connected with the control input end of comparator; The reference input of comparator is connected with central processing module, and outfan is connected with LED light.Central processing module exports a reference voltage to comparator by D/A change-over circuit, the voltage signal that comparator receives according to reference voltage and control input end compares, when the voltage signal of control input end reception is higher than LED light amount during reference voltage, remind monitored person's exercise overload, carry out safety prompt function.
In the present embodiment, described motion strength detection device also comprise be connected with central processing module respectively temperature sensor, humidity sensor, three dimension acceleration sensor, body temperature, sweat levels, the quantity of motion of monitored person is detected respectively by temperature sensor, humidity sensor, three dimension acceleration sensor, and in conjunction with the current health of the monitored person of pulse detection result comprehensive descision, thus judge whether exercise overload, comprehensive descision is removed from many aspects, make testing result more accurate, have more science.
In the present embodiment, described motion strength detection device also comprises the vibrations generator be connected with central processing module, shake when the exercise overload of monitored person, remind monitored person, monitored person does not need constantly to see that display screen understands the health of oneself.
In the present embodiment, described motion strength detection device also comprises the Bluetooth circuit, reset circuit and the display screen that are connected with central processing module respectively.Carry out information interaction by Bluetooth circuit and mobile terminal, realize radio management and the date processing of mobile terminal.
The above embodiment only have expressed embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (10)
1. motion strength detection device, it is characterized in that: comprise the green emission circuit for transmitting green light, receive the green optical signal after human body reflection, and green optical signal is converted to the green glow receiving circuit of the signal of telecommunication, the signal of telecommunication that green glow receiving circuit exports is carried out the central processing module of the filter and amplification module of filter and amplification and the signal of telecommunication of the amplification module that accepts filter output.
2. motion strength detection device according to claim 1, is characterized in that: described green glow receiving circuit is connected with filter and amplification block coupled in series by a signal isolator, and described signal isolator is emitter follower.
3. motion strength detection device according to claim 2, it is characterized in that: described filter and amplification module comprises the one-level filter amplification circuit, secondary filter amplifying circuit, the three grades of filter amplification circuit that are sequentially connected in series, the input of one-level filter amplification circuit is connected with the outfan of signal isolator, and the outfan of three grades of filter amplification circuit is connected with an A/D translation interface of central processing module.
4. motion strength detection device according to claim 3, is characterized in that: the outfan of described three grades of filter amplification circuit is connected successively after frequency-voltage conversion circuit, level Four filter amplification circuit and is connected with an A/D translation interface of central processing module.
5. motion strength detection device according to claim 4, is characterized in that: described one-level filter amplification circuit, secondary filter amplifying circuit, three grades of filter amplification circuit, level Four filter amplification circuit are that frequency of reaching the standard grade is 50Hz, lower frequency limit is the bandwidth-limited circuit of 0.5Hz.
6. the motion strength detection device according to any one of claim 3-5, it is characterized in that: the outfan of described three grades of filter amplification circuit is also connected with the 2nd A/D translation interface of central processing module, central processing module exports the pulse width of the pwm signal of green emission module to according to the signal adjustment of the 2nd A/D translation interface collection.
7. the motion strength detection device according to claim 4 or 5, is characterized in that: the outfan of described frequency-voltage conversion circuit is also connected with the control input end of comparator; The reference input of comparator is connected with central processing module, and outfan is connected with LED light.
8. the motion strength detection device according to any one of claim 3-5, is characterized in that: also comprise the temperature sensor be connected with central processing module.
9. the motion strength detection device according to any one of claim 3-5, is characterized in that: described motion strength detection device also comprises the humidity sensor, the three dimension acceleration sensor that are connected with central processing module respectively.
10. the motion strength detection device according to any one of claim 3-5, is characterized in that: described motion strength detection device also comprises the vibrations generator be connected with central processing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520049033.5U CN204813799U (en) | 2015-01-23 | 2015-01-23 | Exercise intensity detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520049033.5U CN204813799U (en) | 2015-01-23 | 2015-01-23 | Exercise intensity detection device |
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| CN204813799U true CN204813799U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520049033.5U Expired - Fee Related CN204813799U (en) | 2015-01-23 | 2015-01-23 | Exercise intensity detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112842308A (en) * | 2020-12-29 | 2021-05-28 | 广东湾区智能终端工业设计研究院有限公司 | Motion recommendation display method, wearable device, computing device and storage medium |
-
2015
- 2015-01-23 CN CN201520049033.5U patent/CN204813799U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112842308A (en) * | 2020-12-29 | 2021-05-28 | 广东湾区智能终端工业设计研究院有限公司 | Motion recommendation display method, wearable device, computing device and storage medium |
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| C14 | Grant of patent or utility model | ||
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Effective date of registration: 20160329 Address after: Chen Jiang Street office Guangdong province 516029 Huizhou Zhongkai Zhongkai high tech Zone Road double light industrial zone DESAY DESAY third new plant on the third floor and seven floor Patentee after: DESAY ELECTRONICS (HUIZHOU) CO., LTD. Patentee after: HUIZHOU DESAY INDUSTRY RESEARCH INSTITUTE CO., LTD. Address before: 516229 Guangdong city of Huizhou province Chen town DESAY third industrial zone Patentee before: Desai Electronic (Huizhou) Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20200123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |