CN105067007A - Bicycle speed measurement apparatus - Google Patents
Bicycle speed measurement apparatus Download PDFInfo
- Publication number
- CN105067007A CN105067007A CN201510442121.6A CN201510442121A CN105067007A CN 105067007 A CN105067007 A CN 105067007A CN 201510442121 A CN201510442121 A CN 201510442121A CN 105067007 A CN105067007 A CN 105067007A
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- module
- voltage comparator
- microprocessor
- bicycle speed
- hall element
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C23/00—Combined instruments indicating more than one navigational value, e.g. for aircraft; Combined measuring devices for measuring two or more variables of movement, e.g. distance, speed or acceleration
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention discloses a bicycle speed measurement apparatus, which comprises a microprocessor module, a liquid crystal display module, a sensor module and a key input module, wherein the sensor module comprises a Hall sensor, a voltage comparator and a reference voltage circuit, the microprocessor module is connected with the liquid crystal display module, the key input module and the voltage comparator, the voltage comparator is connected with the Hall sensor and the reference voltage circuit, the output terminal of the Hall sensor is connected with the positive input terminal of the voltage comparator, the output terminal of the voltage comparator is connected with the external counter interface of the microprocessor, and the liquid crystal display module and the key input module are connected with the digital I/O port of the microprocessor module. With the bicycle speed measurement apparatus of the present invention, the user can check the time, the bicycle speed, the mileage and other riding data during the riding so as to remind the user to maintain the speed and improve the safety, and the set data can be modified according to the requirement so as to achieve the accurate speed measurement purpose. The bicycle speed measurement apparatus of the present invention can further be used in vehicles, motorcycles, motors and other places requiring rotation speed measurement.
Description
Technical field
The invention belongs to electronic surveying field, be specifically related to a kind of bicycle speed measuring device.
Background technology
Ride motion due to its natural health, simple environmental protection, is more and more subject to popular close Gaze, becomes a kind of fashion trend of modern body building gradually.Bicyclist can know to consume how many energy by bicycle code table, how many mileages of having ridden, and also has safety instruction effect simultaneously.
Current velocity survey is generally divided into mechanical type counting method and electronic counting method, and wherein electronic counting method has photoelectric tube or photoelectric encoder to carry out acquisition pulse signal, generally adopts Hall element, add up umber of pulse by control chip for bicycle.Code table on the market, the more expensive and function singleness of most of price, some low prices but quality is unreliable, the alternative of consumer very little.
Summary of the invention
An object of the present invention is solve problems of the prior art, provides a kind of and be easy to carry, the bicycle speed measuring device of diverse in function, low price, dependable performance.
The invention provides a kind of bicycle speed measuring device, comprising: microprocessor module, LCD MODULE, sensor assembly and keyboard input module; Described sensor assembly comprises Hall element, voltage comparator and reference voltage circuit; Described microprocessor module connects LCD MODULE, keyboard input module and voltage comparator; Described voltage comparator connects described Hall element and reference voltage circuit; Described hall sensor output connects the positive input of described voltage comparator, the output terminal of described voltage comparator connects the external counter interface of described microprocessor, and described LCD MODULE and keyboard input module are connected to the digital I/O mouth of described microprocessor module.
Further, described Hall element is located on front wheel vehicle frame, carry out transmission of signal to the magnetic field that described Hall element applies varying strength adopt linear convergent rate by being installed on strong magnet on front-wheel spoke, its output voltage and applied field strengths linear.
Further, described microprocessor module adopts 8-bit microprocessor STC15F2K60S2 as main control chip, and it is 5MHz ~ 28MHz that built-in crystal oscillator frequency can arrange scope voluntarily, and inside has 2K byte RAM and 60K byte FLASH.
Further, described LCD MODULE adopts 0.96 cun of OLED12864 display, has parallel data display and SPI serial data to show two kinds of patterns.
Beneficial effect of the present invention is, a kind of bicycle speed measuring device provided by the invention can allow user can check the data of riding such as time, the speed of a motor vehicle, mileage at any time when riding, speed is kept to remind user, improve security, and the data of setting can be revised as required, to reach the object accurately tested the speed.Simultaneously the present invention also can be used for automobile, motorcycle, motor etc., and other need to measure the place of rotating speed.
Accompanying drawing explanation
Figure 1 shows that the module map of a kind of bicycle speed measuring device of the present invention.
Figure 2 shows that sensor module circuit diagram of the present invention.
Figure 3 shows that LCD MODULE of the present invention, keyboard input module and microprocessor module connecting circuit figure.
Embodiment
Hereafter will describe the specific embodiment of the invention in detail in conjunction with concrete accompanying drawing.It should be noted that the combination of technical characteristic or the technical characteristic described in following embodiment should not be considered to isolated, they can mutually be combined thus be reached better technique effect.
As shown in Figure 1, the invention provides a kind of bicycle speed measuring device, comprising: microprocessor module 2, LCD MODULE 3, sensor assembly 1 and keyboard input module 4; Sensor assembly 1 comprises Hall element 6, voltage comparator 5 and reference voltage circuit 7; Microprocessor module 2 connects LCD MODULE 3, keyboard input module 4 and voltage comparator 5; Voltage comparator 5 connects Hall element 6 and reference voltage circuit 7; Hall element 6 output terminal connects the positive input of voltage comparator 5, and the output terminal of voltage comparator 5 connects the external counter interface of microprocessor 2, and LCD MODULE 3 and keyboard input module 4 are connected to the digital I/O mouth of microprocessor 2.
As shown in Figure 2, Hall element 6 adopts S49E linear hall sensor, realize the collection of signal, be located on front wheel vehicle frame, carry out transmission of signal to the magnetic field that Hall element 6 applies varying strength adopt linear convergent rate by being installed on strong magnet on front-wheel spoke, its output voltage and applied field strengths linear.Pull-up resistor R3 and filter capacitor C1 is connected at its delivery outlet, realize port pull-up and filtering, the clutter that output waveform occurs can be reduced, Hall element 6 output terminal connects the positive input of LM393 voltage comparator 5, resistance R2 and adjustable resistance R1 forms a reference voltage circuit 7, by the magnitude of voltage regulating the resistance of R1 to change the reverse input voltage of access voltage comparator 5, magnitude of voltage is as the reference voltage of voltage comparator 5, when the magnitude of voltage of positive input is higher than reference voltage, the output terminal of voltage comparator 5 is high level, when the magnitude of voltage of positive input is lower than reference voltage, the output terminal of voltage comparator 5 is low level.Voltage comparator 5 output terminal is connected with the external counting T1 mouth of microprocessor module 2, and connects power supply VCC, to improve the reliability of signal transmission by a pull-up resistor R7.
As shown in Figure 3, microprocessor module 2 adopts 8-bit microprocessor STC15F2K60S2 as main control chip, built-in High Precision Crystal Oscillator, and frequency can be arranged within the scope of 5MHz-28MHz, and inside has 2K byte RAM and 60K byte FLASH.
Further, LCD MODULE 3 adopts 0.96 cun of OLED12864 display, and having parallel data display and SPI serial data to show two kinds of patterns can select.4 line SPI data transfer modes are adopted to be connected with the digital I/O mouth of P0.0 ~ P0.3 tetra-of microprocessor module 2, can by microprocessor module 2 Direct driver after connecting power supply.
Further keyboard input module 4 uses 3 touch-switchs to be connected with the digital I/O mouth of P3.6, P3.7 and P2.0 tri-of microprocessor module 2 respectively, and is connected with power supply VCC by three pull-up resistors R4, R5, R6, improves the reliability of button.
A kind of bicycle speed measuring device provided by the invention can allow user can check the data of riding such as time, the speed of a motor vehicle, mileage at any time when riding, speed is kept to remind user, improve security, and the data of setting can be revised as required, to reach the object accurately tested the speed.Simultaneously the present invention also can be used for automobile, motorcycle, motor etc., and other need to measure the place of rotating speed.
Although give some embodiments of the present invention, it will be understood by those of skill in the art that without departing from the spirit of the invention herein, can change embodiment herein.Above-described embodiment is exemplary, should using embodiment herein as the restriction of interest field of the present invention.
Claims (4)
1. a bicycle speed measuring device, is characterized in that, comprising: microprocessor module, LCD MODULE, sensor assembly and keyboard input module; Described sensor assembly comprises Hall element, voltage comparator and reference voltage circuit; Described microprocessor module connects described LCD MODULE, keyboard input module and voltage comparator; Described voltage comparator connects described Hall element and reference voltage circuit; Described hall sensor output connects the positive input of described voltage comparator, the output terminal of described voltage comparator connects the external counter interface of described microprocessor, and described LCD MODULE and keyboard input module are connected to the digital I/O mouth of described microprocessor module.
2. a kind of bicycle speed measuring device as claimed in claim 1, it is characterized in that, described Hall element is located on front wheel vehicle frame, carry out transmission of signal to the magnetic field that described Hall element applies varying strength adopt linear convergent rate by being installed on strong magnet on front-wheel spoke, its output voltage and applied field strengths linear.
3. a kind of bicycle speed measuring device as claimed in claim 1, it is characterized in that, described microprocessor module adopts 8-bit microprocessor STC15F2K60S2 as main control chip, and it is 5MHz ~ 28MHz that built-in crystal oscillator frequency arranges scope voluntarily, and inside has 2K byte RAM and 60K byte FLASH.
4. described a kind of bicycle speed measuring device as claimed in claim 1, it is characterized in that, described LCD MODULE adopts 0.96 cun of OLED12864 display, has parallel data display and SPI serial data to show two kinds of patterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510442121.6A CN105067007A (en) | 2015-07-24 | 2015-07-24 | Bicycle speed measurement apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510442121.6A CN105067007A (en) | 2015-07-24 | 2015-07-24 | Bicycle speed measurement apparatus |
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| CN105067007A true CN105067007A (en) | 2015-11-18 |
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| CN201510442121.6A Pending CN105067007A (en) | 2015-07-24 | 2015-07-24 | Bicycle speed measurement apparatus |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866463A (en) * | 2016-04-07 | 2016-08-17 | 河南师范大学 | Electric bicycle voltage type dimension-reducing velocity measurement method and velocity measurement apparatus |
| CN105891534A (en) * | 2016-04-08 | 2016-08-24 | 成都晨电智能科技有限公司 | Bicycle velocity measurement system and method |
| CN105891532A (en) * | 2016-04-07 | 2016-08-24 | 河南师范大学 | Electric bicycle current mode speed measurement method and device |
| CN105891533A (en) * | 2016-04-07 | 2016-08-24 | 河南师范大学 | Electric bicycle current mode dimensionality reduction speed measurement method and device |
| CN105911305A (en) * | 2016-04-07 | 2016-08-31 | 河南师范大学 | Electric bicycle voltage type speed measurement method and speed measurement device |
| CN105928558A (en) * | 2016-04-22 | 2016-09-07 | 东华大学 | Bicycle velocity measurement navigation and environment monitoring device |
| CN106248985A (en) * | 2016-07-25 | 2016-12-21 | 河南师范大学 | A kind of electric bicycle voltage-type vehicle speed measurement method and measurement apparatus |
| CN106248984A (en) * | 2016-07-25 | 2016-12-21 | 河南师范大学 | A kind of electric bicycle current mode vehicle speed measurement method driving motor to be permagnetic synchronous motor and measurement apparatus |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4633216A (en) * | 1984-01-20 | 1986-12-30 | Tsuyama Mfg. Co., Ltd. | Data display unit for a bicycle |
| CN202903202U (en) * | 2012-10-31 | 2013-04-24 | 重庆卓特科技有限公司 | Running parameter measurement display and speed limit device for electric bicycle |
| CN202974294U (en) * | 2012-10-26 | 2013-06-05 | 长安大学 | Multifunctional speedometer based on single chip microcomputer |
| CN202975136U (en) * | 2012-09-25 | 2013-06-05 | 北京三得普华科技有限责任公司 | Current acquisition device |
| CN203519018U (en) * | 2013-10-14 | 2014-04-02 | 南京化工职业技术学院 | Intelligent velocity measuring and warning device of electric bicycle |
| CN204881654U (en) * | 2015-07-24 | 2015-12-16 | 湖北文理学院 | Bicycle speed sensor |
-
2015
- 2015-07-24 CN CN201510442121.6A patent/CN105067007A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4633216A (en) * | 1984-01-20 | 1986-12-30 | Tsuyama Mfg. Co., Ltd. | Data display unit for a bicycle |
| CN202975136U (en) * | 2012-09-25 | 2013-06-05 | 北京三得普华科技有限责任公司 | Current acquisition device |
| CN202974294U (en) * | 2012-10-26 | 2013-06-05 | 长安大学 | Multifunctional speedometer based on single chip microcomputer |
| CN202903202U (en) * | 2012-10-31 | 2013-04-24 | 重庆卓特科技有限公司 | Running parameter measurement display and speed limit device for electric bicycle |
| CN203519018U (en) * | 2013-10-14 | 2014-04-02 | 南京化工职业技术学院 | Intelligent velocity measuring and warning device of electric bicycle |
| CN204881654U (en) * | 2015-07-24 | 2015-12-16 | 湖北文理学院 | Bicycle speed sensor |
Non-Patent Citations (1)
| Title |
|---|
| 耿瑞辰: "《传感器与检测技术》", 31 August 2012 * |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105911305B (en) * | 2016-04-07 | 2019-11-08 | 河南师范大学 | A kind of electric bicycle voltage-type speed-measuring method and speed measuring device |
| CN105891532A (en) * | 2016-04-07 | 2016-08-24 | 河南师范大学 | Electric bicycle current mode speed measurement method and device |
| CN105891533A (en) * | 2016-04-07 | 2016-08-24 | 河南师范大学 | Electric bicycle current mode dimensionality reduction speed measurement method and device |
| CN105911305A (en) * | 2016-04-07 | 2016-08-31 | 河南师范大学 | Electric bicycle voltage type speed measurement method and speed measurement device |
| CN105866463A (en) * | 2016-04-07 | 2016-08-17 | 河南师范大学 | Electric bicycle voltage type dimension-reducing velocity measurement method and velocity measurement apparatus |
| CN105866463B (en) * | 2016-04-07 | 2019-11-22 | 河南师范大学 | A kind of electric bicycle voltage-type dimensionality reduction speed-measuring method and speed measuring device |
| CN105891533B (en) * | 2016-04-07 | 2019-11-12 | 河南师范大学 | A kind of electric bicycle current mode dimensionality reduction speed-measuring method and speed measuring device |
| CN105891532B (en) * | 2016-04-07 | 2019-11-08 | 河南师范大学 | A kind of electric bicycle current mode speed-measuring method and speed measuring device |
| CN105891534A (en) * | 2016-04-08 | 2016-08-24 | 成都晨电智能科技有限公司 | Bicycle velocity measurement system and method |
| CN105928558A (en) * | 2016-04-22 | 2016-09-07 | 东华大学 | Bicycle velocity measurement navigation and environment monitoring device |
| CN106248985A (en) * | 2016-07-25 | 2016-12-21 | 河南师范大学 | A kind of electric bicycle voltage-type vehicle speed measurement method and measurement apparatus |
| CN106248985B (en) * | 2016-07-25 | 2019-06-18 | 河南师范大学 | A kind of electric bicycle voltage-type vehicle speed measurement method and measuring device |
| CN106248984B (en) * | 2016-07-25 | 2019-06-07 | 河南师范大学 | A kind of driving motor is the electric bicycle current mode vehicle speed measurement method and measuring device of permanent magnet synchronous motor |
| CN106248984A (en) * | 2016-07-25 | 2016-12-21 | 河南师范大学 | A kind of electric bicycle current mode vehicle speed measurement method driving motor to be permagnetic synchronous motor and measurement apparatus |
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Application publication date: 20151118 |
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| RJ01 | Rejection of invention patent application after publication |