CN104188281A - Sports bracelet applied to smart phone - Google Patents

Abstract

The invention provides a sports bracelet applied to a smart phone. The whole sports bracelet is annular; a bluetooth module, a miniature vibrator and an audio player are embedded into an instrument panel; the instrument panel also comprises a sports detection module and a bluetooth module; the sports detection module is used for detecting the three-dimensional accelerated speed and opposite corners; the bluetooth module is connected to the sports detection module and a data center server; a data terminal server is connected with a parents mobile terminal; and the bluetooth module is a bluetooth 4.0 (BLE) communication module. The sports bracelet applied to the smart phone disclosed by the invention is worn on the wrist, and is convenient to wear; an EVA material covers the outer layer of the sports bracelet, so that the sports bracelet is waterproof, nontoxic and odorless; and a DSP is internally built in the sports bracelet, thereby facilitating updating of the system.

Description

A kind of motion bracelet that is applied to smart mobile phone

Technical field

The present invention relates to electronic applications, particularly a kind of motion bracelet that is applied to smart mobile phone.

Background technology

Along with the quickening of people's work, rhythm of life, how to employ one's time to the best advantage, own health is had sports, be the problem that people more and more pay close attention to.

And modern is more and more higher to the degree of dependence of mobile phone, even in gymnasium also mobile phone not from hand, when exercise, the moment pays close attention to whether have incoming call or information, how the contact between user and mobile phone is realized by portable unit, neither delaying exercise and also do not miss crucial incoming call, is current problem demanding prompt solution.

Summary of the invention

The present invention proposes a kind of motion bracelet that is applied to smart mobile phone, has solved the problem that cell phone incoming call is pointed out by mancarried device.

Technical scheme of the present invention is achieved in that

A kind of motion bracelet that is applied to smart mobile phone, entirety is ring-type, its outer surface is that EVA material is coated, the embedded instrument board in position in ring, instrument board and the chain band looping main body being spliced that is connected to instrument board two ends, described chain band comprises multiple splice sections, one end of each splice sections is provided with draw-in groove, the other end arranges latch, and chain band entirety and instrument board form closed galvanic circle;

Described instrument board is embedded in bluetooth module, mini vibrator and audio player, and described bluetooth module is bluetooth 4.0 (BLE) communication module;

Described instrument board also comprises: motion detection block, detects three-dimensional acceleration and relative rotation; Bluetooth module, is connected to described motion detection block and data center server, and data terminal server is connected with head of a family's mobile phone terminal;

Described motion detection block comprises three axle Gravity accelerometers, gyroscope and dsp processor, and dsp processor comprises integrator and filtering and optimizes module; Described three axle Gravity accelerometer output X, Y, Z axis acceleration information information, the angular speed information of gyroscope output human body corner, the integrator of dsp processor obtains the angular speed information score of gyroscope output the relative rotation of human body;

Described filtering and optimization module comprise the first subfilter, the second subfilter, the 3rd subfilter and senior filter, and the first subfilter is processed X-axis acceleration information information, and provides state estimation x1 and estimation error covariance matrix p1; The second subfilter is processed Y-axis acceleration information information, provides state estimation x2 and estimation error covariance matrix p2; The 3rd subfilter is processed Z axis acceleration information information, provides state estimation x3 and estimation error covariance matrix p3; Described state estimation x1, x2, x3 and estimation error covariance matrix p1, p2, p3 delivers to senior filter, and merges by formula (1) and formula (2) together with the state estimation of senior filter, obtains global optimum and estimates and covariance matrix:

${\hat{x}}_g=p_g\left(\underset{i=1}{\overset{3}{\mathrm{\Σ}}}{p}_i^{-1}{\hat{x}}_i\right)---\left(1\right)$

$p_g=\underset{i=1}{\overset{3}{\mathrm{\Σ}}}{p}_i^{-1}---\left(2\right)$

In formula, i=1,2,3;

The optimal estimation value of senior filter is reset to the state estimation of 3 subfilters,

${\hat{x}}_i={\hat{x}}_g---\left(3\right)$

$p_i={\mathrm{\β}}_i^{-1}{p}_g---\left(4\right)$

Using gravity vertically downward orientation be Y-axis as analyzing datum quantity, automatically adjust the size of p value, concrete adaptive algorithm is:

β ₁, β ₂, β ₃meet β ₁+ β ₂+ β ₃=1 (5)

${\mathrm{\β}}_1=\left\{\begin{array}{c}0.99,p\≤2\\ 2/p,2\≤p\≤5\\ 1/p,5\≤p\≤10\\ 2/p,p\≥10\end{array}\right.---\left(6\right)$

β ₂＝β ₃＝(1-β ₁)/2 (7)

Described dsp processor is estimated and covariance matrix output movement pattern and movement statistics according to global optimum, obtains the relative rotation of human body according to the angular speed information score of gyroscope output human body corner;

The output signal of dsp processor is uploaded to smart mobile phone end by described bluetooth module.

Alternatively, also comprise dsp processor, dsp processor is connected with described bluetooth module.

Alternatively, also comprise that dsp processor is TMS320F2812DSP processor.

The invention has the beneficial effects as follows:

(1) the motion bracelet that is applied to smart mobile phone is worn on wrist, conveniently wears;

(2) outer coated EVA material, waterproof, nontoxic, tasteless;

(3) built-in dsp processor, is convenient to the renewal of system.

Brief description of the drawings

In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 is the structural representation that the present invention is applied to the motion bracelet of smart mobile phone;

Fig. 2 is the circuit control block diagram that the present invention is applied to the motion bracelet of smart mobile phone;

Fig. 3 is the circuit control block diagram of motion detection block of the present invention.

Detailed description of the invention

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.

As shown in Figure 1, a kind of motion bracelet that is applied to smart mobile phone of the present invention, entirety is ring-type, its outer surface is that EVA material is coated, EVA material is waterproof, nontoxic, tasteless soft material, not only comfortable wearing, and can prevent the erosion of sweat to internal circuit.

Be applied to the embedded instrument board in position in the motion bracelet ring of smart mobile phone, instrument board and the chain band looping main body being spliced that is connected to instrument board two ends, described chain band comprises multiple splice sections, one end of each splice sections is provided with draw-in groove, the other end arranges latch, and chain band entirety and instrument board form closed galvanic circle.

Instrument board 1000 is embedded in bluetooth module, mini vibrator and audio player.

Described instrument board also comprises: motion detection block, detects three-dimensional acceleration and relative rotation; Bluetooth module, is connected to described motion detection block and data center server, and data terminal server is connected with head of a family's mobile phone terminal.

Described motion detection block comprises three axle Gravity accelerometers, gyroscope and dsp processor, and dsp processor comprises integrator and filtering and optimizes module; Described three axle Gravity accelerometer output X, Y, Z axis acceleration information information, the angular speed information of gyroscope output human body corner, the integrator of dsp processor obtains the angular speed information score of gyroscope output the relative rotation of human body.

Described filtering and optimization module comprise the first subfilter, the second subfilter, the 3rd subfilter and senior filter, and the first subfilter is processed X-axis acceleration information information, and provides state estimation x1 and estimation error covariance matrix p1; The second subfilter is processed Y-axis acceleration information information, provides state estimation x2 and estimation error covariance matrix p2; The 3rd subfilter is processed Z axis acceleration information information, provides state estimation x3 and estimation error covariance matrix p3; Described state estimation x1, x2, x3 and estimation error covariance matrix p1, p2, p3 delivers to senior filter, and merges by formula (1) and formula (2) together with the state estimation of senior filter, obtains global optimum and estimates and covariance matrix:

${\hat{x}}_g=p_g\left(\underset{i=1}{\overset{3}{\mathrm{\Σ}}}{p}_i^{-1}{\hat{x}}_i\right)---\left(1\right)$

$p_g=\underset{i=1}{\overset{3}{\mathrm{\Σ}}}{p}_i^{-1}---\left(2\right)$

In formula, i=1,2,3;

The optimal estimation value of senior filter is reset to the state estimation of 3 subfilters,

${\hat{x}}_i={\hat{x}}_g---\left(3\right)$

$p_i={\mathrm{\β}}_i^{-1}{p}_g---\left(4\right)$

Using gravity vertically downward orientation be Y-axis as analyzing datum quantity, automatically adjust the size of p value, concrete adaptive algorithm is:

β ₁, β ₂, β ₃meet β ₁+ β ₂+ β ₃=1 (5)

${\mathrm{\β}}_1=\left\{\begin{array}{c}0.99,p\≤2\\ 2/p,2\≤p\≤5\\ 1/p,5\≤p\≤10\\ 2/p,p\≥10\end{array}\right.---\left(6\right)$

β ₂＝β ₃＝(1-β ₁)/2 (7)

Described dsp processor is estimated and covariance matrix output movement pattern and movement statistics according to global optimum, obtains the relative rotation of human body according to the angular speed information score of gyroscope output human body corner.

The output signal of dsp processor is uploaded to smart mobile phone end by described bluetooth module.

Bluetooth module and Bluetooth of mobile phone connect, and can ensure wireless near field communication, receive after incoming information, and according to the prompt tone mode arranging in mobile phone, mini vibrator and/or audio player action, prompting user has incoming call.

Preferably, described bluetooth module is bluetooth 4.0 (BLE) communication module.Bluetooth 4.0 is supplementing of bluetooth 3.0+HS specification, specially, towards the wireless solution that cost and power consumption are all had higher requirements, can be widely used in the numerous areas such as health care, physical fitness, home entertaining, safety guarantee.

Bluetooth 4.0 (BLE) communication module is supported two kinds of deployment way: double mode and monotype.In double mode, low-power consumption Bluetooth function is integrated in existing classical bluetooth controller, or on existing classical Bluetooth technology (2.1+EDR/3.0+HS) chip, increases low-power consumption storehouse again, and overall architecture is substantially constant, and therefore cost increases limited.

Monotype is towards highly integrated, compact equipment, use a lightweight articulamentum (Link Layer) to provide operate in standby mode, the simple device of super low-power consumption to recover and reliable point-to-multipoint transfer of data, can also allow networking sensor in Bluetooth transmission, arrange the order of low-power consumption bluetooth flow properly, also have senior be energy-conservationly connected with safety encipher simultaneously.

Preferably, the motion bracelet that is applied to smart mobile phone of the present invention also comprises dsp processor, and dsp processor is connected with described bluetooth module.Built-in dsp processor, is convenient to the renewal of later stage system, and dsp processor can have very strong compatibility to software upgrading.

Preferably, dsp processor is TMS320F2812DSP processor.TMS320F2812DSP, is 32 fixed DSPs, and the AD data acquisition that it has EVA, EVB task manager and supporting 12 16 passages, has abundant Peripheral Interface, as CAN, SCI etc.The ADC module of TMS320F2812 is 12 bit resolutions, has the analog-digital converter of pipeline organization, the built-in dual-sampling hold circuit of TMS320F2812, and while keeping data acquisition, window has independently pre-calibration to control.And permission system is to same Channel-shifted repeatedly, allow user to carry out over-sampling algorithm, this more traditional single transformation result has increased more solution, is conducive to improve the precision of sampling.There are multiple trigger sources can start ADC conversion.Conversion time fast, ADC clock can be configured to 25MHz, and the highest sampling bandwidth is 12.5MSPS.While building data collecting system with TMS320F2812, needn't external ADC, avoid complicated hardware design.

The motion bracelet that is applied to smart mobile phone of the present invention is worn on wrist, conveniently wears; Outer coated EVA material, waterproof, nontoxic, tasteless; Built-in dsp processor, is convenient to the renewal of system.

The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (3)

1. one kind is applied to the motion bracelet of smart mobile phone, it is characterized in that, entirety is ring-type, its outer surface is that EVA material is coated, the embedded instrument board in position in ring, instrument board and the chain band looping main body being spliced that is connected to instrument board two ends, described chain band comprises multiple splice sections, one end of each splice sections is provided with draw-in groove, and the other end arranges latch, and chain band entirety and instrument board form closed galvanic circle;

Described instrument board is embedded in bluetooth module, mini vibrator and audio player, and described bluetooth module is bluetooth 4.0 (BLE) communication module;

Described instrument board also comprises: motion detection block, detects three-dimensional acceleration and relative rotation; Bluetooth module, is connected to described motion detection block and data center server, and data terminal server is connected with head of a family's mobile phone terminal;

Described motion detection block comprises three axle Gravity accelerometers, gyroscope and dsp processor, and dsp processor comprises integrator and filtering and optimizes module; Described three axle Gravity accelerometer output X, Y, Z axis acceleration information information, the angular speed information of gyroscope output human body corner, the integrator of dsp processor obtains the angular speed information score of gyroscope output the relative rotation of human body;

Described filtering and optimization module comprise the first subfilter, the second subfilter, the 3rd subfilter and senior filter, and the first subfilter is processed X-axis acceleration information information, and provides state estimation x1 and estimation error covariance matrix p1; The second subfilter is processed Y-axis acceleration information information, provides state estimation x2 and estimation error covariance matrix p2; The 3rd subfilter is processed Z axis acceleration information information, provides state estimation x3 and estimation error covariance matrix p3; Described state estimation x1, x2, x3 and estimation error covariance matrix p1, p2, p3 delivers to senior filter, and merges by formula (1) and formula (2) together with the state estimation of senior filter, obtains global optimum and estimates and covariance matrix:

${\hat{x}}_g=p_g\left(\underset{i=1}{\overset{3}{\mathrm{\Σ}}}{p}_i^{-1}{\hat{x}}_i\right)---\left(1\right)$

$p_g=\underset{i=1}{\overset{3}{\mathrm{\Σ}}}{p}_i^{-1}---\left(2\right)$

In formula, i=1,2,3;

The optimal estimation value of senior filter is reset to the state estimation of 3 subfilters,

${\hat{x}}_i={\hat{x}}_g---\left(3\right)$

$p_i={\mathrm{\β}}_i^{-1}{p}_g---\left(4\right)$

Using gravity vertically downward orientation be Y-axis as analyzing datum quantity, automatically adjust the size of p value, concrete adaptive algorithm is:

β ₁, β ₂, β ₃meet β ₁+ β ₂+ β ₃=1 (5)

${\mathrm{\β}}_1=\left\{\begin{array}{c}0.99,p\≤2\\ 2/p,2\≤p\≤5\\ 1/p,5\≤p\≤10\\ 2/p,p\≥10\end{array}\right.---\left(6\right)$

β ₂＝β ₃＝(1-β ₁)/2 (7)

Described dsp processor is estimated and covariance matrix output movement pattern and movement statistics according to global optimum, obtains the relative rotation of human body according to the angular speed information score of gyroscope output human body corner;

The output signal of dsp processor is uploaded to smart mobile phone end by described bluetooth module.

2. the motion bracelet that is applied to smart mobile phone as claimed in claim 1, is characterized in that, also comprises dsp processor, and dsp processor is connected with described bluetooth module.

3. the motion bracelet that is applied to smart mobile phone as claimed in claim 2, is characterized in that, described dsp processor is TMS320F2812DSP processor.