CN203803082U - Intelligent step-counting system for electronic treadmill - Google Patents
Intelligent step-counting system for electronic treadmill Download PDFInfo
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- CN203803082U CN203803082U CN201420085472.7U CN201420085472U CN203803082U CN 203803082 U CN203803082 U CN 203803082U CN 201420085472 U CN201420085472 U CN 201420085472U CN 203803082 U CN203803082 U CN 203803082U
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Abstract
The utility model relates to an intelligent step-counting system for an electronic treadmill. The intelligent step-counting system comprises a data acquisition circuit, a MCU1 (Microprogrammed Control Unit) data processing circuit, a MCU2 step calculating circuit and a display unit, wherein the data acquisition circuit is used for acquiring the current of an electric motor, the MCU1 data processing circuit is used for data processing, the MCU2 step calculating motor is used for calculating the steps and the display unit is used for displaying the steps. The current data of the electric motor acquired by the data acquisition circuit is conveyed to the MCU1 data processing circuit for data processing, and then the steps are calculated by the MCU2 step calculating circuit, and are finally output to the display unit to finish the intelligent step-counting function. The intelligent step-counting system designed by a special circuit has the following advantages: firstly, high accuracy: by adopting a Hall sensor to acquire and precisely calculate the data, wherein the accuracy is above 99%; secondly, simple structure: the sensor is not needed to be installed on a special mechanical position; and thirdly, the Hall sensor and the relevant procedures are only increased for cooperation.
Description
Technical field
The utility model relates to a kind of intelligent step counting system for treadmill, belongs to body-building apparatus technical field.
Background technology
It is reference data that conventional electric treadmill can provide the data such as time, distance for user, makes the user can arranged rational exercise plan, reaches the train on of expection.And step function can, from another angle for user provides reference data, adapt to the needs of different user.
Traditional step-recording method has following several: (1) range simulation method, according to the distance of treadmill belt operation, calculate step number, and the shortcoming of this method is that people does not run on board, accounting step, does not meet actual service condition yet, inaccurate.(2) according to running gear velocity variations, complete step function.When this method is run according to people, it is large that load becomes, and the feature that speed is slack-off detects it with sensor and changes, and it is more accurate to calculate, but structure is more complicated, need to be by installation of sensors near running gear.Higher to overall structure and installation requirement, cost is higher.(3) in running passage both sides so that a pair of far infrared transceiver to be installed over against mode, in signal, be blocked number of times and carry out step, the degree of accuracy is high.This method need to be arranged on ad-hoc location by far infrared transceiver, high to overall structure and installation requirement, and relative cost is also higher.
Summary of the invention
For the problems referred to above, the object of this invention is to provide the intelligent step counting system for treadmill that a kind of accuracy rate is high, cost is low.
The purpose of this utility model is achieved through the following technical solutions:
When people runs on treadmill, pin falls while lifting with pin, and the load of motor is different.When pin falls, it is heavy that load becomes, and it is large that current of electric becomes thereupon; When pin lifts, load diminishes, and current of electric diminishes thereupon, so just can calculate the step number that people runs according to the variation of electric current.
The utility model adopts Closed Loop Hall as current acquisition device, is connected in motor circuit, gathers the variation of current of electric.According to the current of electric data that collect, MCU1 carries out data processing, and MCU2 carries out step number calculating and exports to display unit, completes intelligent step function.
The utility model comprises for gathering the data acquisition circuit of current of electric, for carrying out the MCU1 data processing circuit of data processing, for carrying out the MCU2 step number counting circuit of step number calculating and the display unit showing for step number.
Described data acquisition circuit comprises sampling and drive circuit, motor circuit, current rectifying and wave filtering circuit.
Described MCU1 data processing circuit comprises MCU chip and peripheral circuit thereof; The MCU chip model that described MCU1 circuit comprises is ATMEGA8; Peripheral circuit comprises shunt capacitance, crystal oscillator, isolating interface circuit.
Described MCU2 step number counting circuit comprises MCU chip and peripheral circuit; The MCU chip model that described MCU2 circuit comprises is ATMEGA32; Peripheral circuit comprises shunt capacitance, current-limiting resistance, crystal oscillator.
The utility model adopts dedicated circuit design, has the following advantages:
1, accuracy rate is high.Adopt Hall element image data and accurate Calculation, accuracy rate is more than 99%.
2, simple in structure.Do not need installation of sensors at specific mechanical location.
3, cost is low.Only increase Hall element, and corresponding program coordinates.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is circuit diagram of the present utility model.
Fig. 3 is flow chart of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing and by specific embodiment, further describe the utility model.Should be understood that these embodiment are for illustrating the utility model rather than limiting its protection domain.
As shown in Figure 1, the utility model comprises: for gathering the data acquisition circuit of the electric current of electric motor loop, for data processing, carry out the MCU1 data processing circuit of A/D conversion, the MCU2 step number counting circuit calculating for step number, for exporting the display unit of step number numerical value.
As shown in Figure 2, the utility model comprises as the data acquisition circuit 101 that gathers electric motor loop electric current, as for carrying out the MCU1 data processing circuit 102 of data processing, as for carrying out the MCU2 step number counting circuit 103 of step number calculating.
As the data acquisition circuit 101 that gathers electric motor loop electric current, comprise sampling and drive circuit 1011, motor circuit 1012, current rectifying and wave filtering circuit 1013.
Sampling and drive circuit 1011, comprise Hall current sensor Y1, drives the elements such as triode VF1, VF2.Y1 adopts the Hall current sensor of U.S. HOUNYWELL, and its parameter is: 50A, ± 4V.
Motor circuit 1012, comprises motor M, fly-wheel diode VD2, the absorbing circuit that C3 and R4 form.
Current rectifying and wave filtering circuit 1013, comprises the elements such as rectifier bridge VD1 and filter capacitor C1, C2, for motor provides driving power.
As for carrying out the MCU1 data processing circuit 102 of data processing, comprise MCU chip IC 1, IC1 adopts the ATMEGA8 of Shenzhen company of core Thinker, shunt capacitance C4, crystal oscillator BC1, take the isolating interface circuit that IC3 and IC4 be core.MCU1 circuit is for the A/D conversion to image data.
As for carrying out the MCU2 circuit of step number calculating, comprise MCU chip IC 2, IC2 adopts the ATMEGA32 of Shenzhen company of core Thinker, shunt capacitance C5, current-limiting resistance R13-R17, the elements such as crystal oscillator BC2.The result that step number is calculated, exports to four LED charactron display units.
As shown in Figure 3, workflow of the present utility model is as follows: 1, judge that whether motor is in operating condition; 2, the speed of service of judgement treadmill; 3, the current value collecting and setting value are compared; 4, be more than or equal to setting value, step number adds 1; Be less than setting value, step number is constant; 5, enter scanning next time, scan period 20ms.
Above-mentioned example only, for explanation technical conceive of the present utility model and feature, can not limit protection domain of the present utility model with this.All equivalent transformations of doing according to the utility model Spirit Essence or modification, within all should being encompassed in protection domain of the present utility model.
Claims (7)
1. the intelligent step counting system for treadmill, it is characterized in that it comprises for gathering the data acquisition circuit of current of electric, for carrying out the MCU1 data processing circuit of data processing, for carrying out the MCU2 step number counting circuit of step number calculating and the display unit showing for step number, the current of electric data that data acquisition circuit collects, be delivered to MCU1 data processing circuit and carry out data processing, by MCU2 step number counting circuit, carry out step number calculating again, finally export to display unit, complete intelligent step function.
2. intelligent step counting system according to claim 1, is characterized in that described data acquisition circuit comprises sampling and drive circuit, motor circuit, current rectifying and wave filtering circuit.
3. intelligent step counting system according to claim 1, is characterized in that described MCU1 data processing circuit comprises MCU chip and peripheral circuit thereof.
4. intelligent step counting system according to claim 3, is characterized in that the MCU chip model that described MCU1 data processing circuit comprises is ATMEGA8, and its peripheral circuit comprises shunt capacitance, crystal oscillator, isolating interface circuit.
5. intelligent step counting system according to claim 1, is characterized in that described MCU2 step number counting circuit comprises MCU chip and peripheral circuit.
6. intelligent step counting system according to claim 5, is characterized in that the MCU chip model that described MCU2 step number counting circuit comprises is ATMEGA32, and its peripheral circuit comprises shunt capacitance, current-limiting resistance, crystal oscillator.
7. intelligent step counting system according to claim 2, is characterized in that described sampling and drive circuit adopt Closed Loop Hall as current acquisition device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420085472.7U CN203803082U (en) | 2014-02-27 | 2014-02-27 | Intelligent step-counting system for electronic treadmill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420085472.7U CN203803082U (en) | 2014-02-27 | 2014-02-27 | Intelligent step-counting system for electronic treadmill |
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| Publication Number | Publication Date |
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| CN203803082U true CN203803082U (en) | 2014-09-03 |
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| CN201420085472.7U Expired - Lifetime CN203803082U (en) | 2014-02-27 | 2014-02-27 | Intelligent step-counting system for electronic treadmill |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104353218A (en) * | 2014-12-03 | 2015-02-18 | 丹阳市司徒镇合玉健身器械厂 | China-traveling washing machine |
| CN104436537A (en) * | 2014-12-26 | 2015-03-25 | 丹阳市司徒镇合玉健身器械厂 | Around-the-world walker |
| CN106017501A (en) * | 2016-05-13 | 2016-10-12 | 上海捍康健康管理有限公司 | Method for calculating running mileage of user on running machine |
| CN107438461A (en) * | 2017-06-01 | 2017-12-05 | 深圳市屹石科技股份有限公司 | Step-recording method and treadmill |
-
2014
- 2014-02-27 CN CN201420085472.7U patent/CN203803082U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104353218A (en) * | 2014-12-03 | 2015-02-18 | 丹阳市司徒镇合玉健身器械厂 | China-traveling washing machine |
| CN104436537A (en) * | 2014-12-26 | 2015-03-25 | 丹阳市司徒镇合玉健身器械厂 | Around-the-world walker |
| CN106017501A (en) * | 2016-05-13 | 2016-10-12 | 上海捍康健康管理有限公司 | Method for calculating running mileage of user on running machine |
| CN107438461A (en) * | 2017-06-01 | 2017-12-05 | 深圳市屹石科技股份有限公司 | Step-recording method and treadmill |
| WO2018218622A1 (en) * | 2017-06-01 | 2018-12-06 | 深圳市屹石科技股份有限公司 | Step counting method and treadmill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266200 Jimo, Shandong, Huashan Road No. two, No. 369, No. Patentee after: IMPULSE (QINGDAO) HEALTH TECH Co.,Ltd. Address before: 266200 Jimo, Shandong, Huashan Road No. two, No. 369, No. Patentee before: Impulse (Qingdao) Health Tech Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140903 |