CN204255973U - A kind of electric bicycle velocity-measuring system - Google Patents
A kind of electric bicycle velocity-measuring system Download PDFInfo
- Publication number
- CN204255973U CN204255973U CN201420768167.8U CN201420768167U CN204255973U CN 204255973 U CN204255973 U CN 204255973U CN 201420768167 U CN201420768167 U CN 201420768167U CN 204255973 U CN204255973 U CN 204255973U
- Authority
- CN
- China
- Prior art keywords
- pin
- connects
- chip
- electric capacity
- light emitting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model belongs to electric bicycle technical field, particularly relate to a kind of electric bicycle velocity-measuring system, comprise main control module, light emitting module, display module, photoelectric sensor module, described main control module comprises chip U1, crystal oscillator Y1, electric capacity C3, electric capacity C4, button S1, the pin 14 of described chip U1 connects one end of button S1, described light emitting module comprises light emitting diode D1, resistance R1, one end of the anode connecting resistance R1 of described light emitting diode D1 and all connect the pin 3 of chip U1, the pin 1 of described display screen L1 connects the pin 38 of chip U1, described photoelectric sensor module comprises photoelectric sensor J1, photoelectric coupling U2, resistance R2, electric capacity C2, triode Q1, the pin 1 of described photoelectric coupling U2 connects the collector of triode Q1.
Description
Technical field
The utility model belongs to electric bicycle technical field, particularly relates to a kind of electric bicycle velocity-measuring system.
Background technology
Tradition utilizes magnetic reed switch bicycle speed measurement device, by the conducting of this two reed and open circuit to detect electric signal and to calculate the speed of a motor vehicle of bicycle.If user is when driving bicycle, ground rubble flies up and crashes through the glass tube of magnetic reed switch, these reeds namely may because being oxidized with contacting external air, this magnetic reed switch is caused to damage, cannot conduct electricity smoothly when these switch jaw contact, make single-chip precisely cannot capture electric signal, significantly affect the correctness tested the speed.Though there is dealer to be the surface oxidation avoiding these reeds, and on the plated surface of this reed noble metal (as: germanium, nail and gold), to guarantee its reliability, but this measure but significantly improves material and the cost of manufacture of magnetic reed switch, and make technique become more complicated, quite undesirable.
Summary of the invention
The utility model provides a kind of electric bicycle velocity-measuring system, to solve bicycle speed measurement device current in above-mentioned background technology, easily and the problem that is oxidized of contacting external air and occurring.
The technical matters that the utility model solves realizes by the following technical solutions: the utility model provides a kind of electric bicycle velocity-measuring system, it is characterized in that: comprise main control module, light emitting module, display module, photoelectric sensor module, described main control module comprises chip U1, crystal oscillator Y1, electric capacity C3, electric capacity C4, button S1, the pin 14 of described chip U1 connects one end of button S1, its pin 17 connects one end of crystal oscillator Y1, one end of electric capacity C3, its pin 18 connects the other end of crystal oscillator Y1, one end of electric capacity C4, its pin 19 ground connection, the other end of another termination capacitor C4 of described electric capacity C3 and ground connection, described light emitting module comprises light emitting diode D1, resistance R1, one end of the anode connecting resistance R1 of described light emitting diode D1 and all connect the pin 3 of chip U1, the anode of described light emitting diode D1 meets voltage+5V, the other end ground connection of described resistance R1, described display module comprises display screen L1, the pin 1 of described display screen L1 connects the pin 38 of chip U1, its pin 2 connects the pin 37 of chip U1, its pin 3 connects the pin 36 of chip U1, its pin 4 connects the pin 35 of chip U1, its pin 5 connects the pin 34 of chip U1, its pin 6 connects the pin 33 of chip U1, described photoelectric sensor module comprises photoelectric sensor J1, photoelectric coupling U2, resistance R2, electric capacity C2, triode Q1, the pin 1 of described photoelectric coupling U2 connects the collector of triode Q1, its pin 2 connects one end of electric capacity C2, its pin 3 connects the other end of electric capacity C2, one end of its pin 4 connecting resistance R2 and connect the pin 24 of chip U1, the grounded emitter of described triode Q1, its base stage connects the pin 1 of photoelectric sensor J1, another termination voltage+5V of described resistance R2.
Described chip U1 selects MCU chip.
Described display screen L1 selects LCD1602 LCDs.
Described light emitting module is arranged on cycle wheel.
Described photoelectric sensor is arranged on cycle frame.
The beneficial effects of the utility model are:
1 this patent detects by being arranged on photoelectric sensor on cycle frame the light signal being arranged on the light emitting diode on cycle wheel in light emitting module and sending, then passes to main control chip by photoelectric coupling and process, thus reaches the object tested the speed.
2 this patents adopt photoelectric sensors to detect the light sent with the light emitting diode of rotation of wheel, and then the speed of bicycle is measured by the interval time of receiving optical signals, than traditional magnetic reed switch bicycle speed measurement device, measuring speed is more accurate, does not possess the problem be oxidized with contacting external air and occurring.
3 this patents adopt electrical couplings interference during photoelectrical coupler solution photoelectric sensor reception light, and then improve antijamming capability and the high security of velocity-measuring system.
The circuit design of 4 this patents is simple, and control circuit integrated level is high, and the wire harness that required wiring needs is little, and wiring easily.
5 this patent structures are simple, and peripheral circuit is few, and connection line is simple, and easy of integration, volume is little, and cost of manufacture is low, and its antijamming capability is strong, and safety and stability is good.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of main control module of the present utility model, light emitting module and display module;
Fig. 2 is the circuit theory diagrams of photoelectric sensor module of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
Embodiment:
The present embodiment comprises: main control module (Fig. 1), light emitting module (Fig. 1), display module (Fig. 1), photoelectric sensor module (Fig. 2).
In Fig. 1, main control module comprises chip U1, crystal oscillator Y1, electric capacity C3, electric capacity C4, button S1, the pin 14 of chip U1 connects one end of button S1, its pin 17 connects one end of crystal oscillator Y1, one end of electric capacity C3, its pin 18 connects the other end of crystal oscillator Y1, one end of electric capacity C4, its pin 19 ground connection, the other end of another termination capacitor C4 of electric capacity C3 and ground connection.
In Fig. 1, light emitting module comprises light emitting diode D1, resistance R1, one end of the anode connecting resistance R1 of light emitting diode D1 and all connect the pin 3 of chip U1, and the anode of light emitting diode D1 meets voltage+5V, the other end ground connection of resistance R1.
In Fig. 1, display module comprises display screen L1, the pin 1 of display screen L1 connects the pin 38 of chip U1, its pin 2 connects the pin 37 of chip U1, its pin 3 connects the pin 36 of chip U1, its pin 4 connects the pin 35 of chip U1, and its pin 5 connects the pin 34 of chip U1, and its pin 6 connects the pin 33 of chip U1.
In Fig. 2, photoelectric sensor module comprises photoelectric sensor J1, photoelectric coupling U2, resistance R2, electric capacity C2, triode Q1, the pin 1 of photoelectric coupling U2 connects the collector of triode Q1, its pin 2 connects one end of electric capacity C2, its pin 3 connects the other end of electric capacity C2, one end of its pin 4 connecting resistance R2 and connect the pin 24 of chip U1, the grounded emitter of triode Q1, its base stage connects the pin 1 of photoelectric sensor J1, another termination voltage+5V of resistance R2.
Utilize the technical solution of the utility model, or those skilled in the art being under the inspiration of technical solutions of the utility model, designing similar technical scheme, and reach above-mentioned technique effect, is all fall into protection domain of the present utility model.
Claims (5)
1. an electric bicycle velocity-measuring system, it is characterized in that: comprise main control module, light emitting module, display module, photoelectric sensor module, described main control module comprises chip U1, crystal oscillator Y1, electric capacity C3, electric capacity C4, button S1, the pin 14 of described chip U1 connects one end of button S1, its pin 17 connects one end of crystal oscillator Y1, one end of electric capacity C3, its pin 18 connects the other end of crystal oscillator Y1, one end of electric capacity C4, its pin 19 ground connection, the other end of another termination capacitor C4 of described electric capacity C3 and ground connection, described light emitting module comprises light emitting diode D1, resistance R1, one end of the anode connecting resistance R1 of described light emitting diode D1 and all connect the pin 3 of chip U1, the anode of described light emitting diode D1 meets voltage+5V, the other end ground connection of described resistance R1, described display module comprises display screen L1, the pin 1 of described display screen L1 connects the pin 38 of chip U1, its pin 2 connects the pin 37 of chip U1, its pin 3 connects the pin 36 of chip U1, its pin 4 connects the pin 35 of chip U1, its pin 5 connects the pin 34 of chip U1, its pin 6 connects the pin 33 of chip U1, described photoelectric sensor module comprises photoelectric sensor J1, photoelectric coupling U2, resistance R2, electric capacity C2, triode Q1, the pin 1 of described photoelectric coupling U2 connects the collector of triode Q1, its pin 2 connects one end of electric capacity C2, its pin 3 connects the other end of electric capacity C2, one end of its pin 4 connecting resistance R2 and connect the pin 24 of chip U1, the grounded emitter of described triode Q1, its base stage connects the pin 1 of photoelectric sensor J1, another termination voltage+5V of described resistance R2.
2. a kind of electric bicycle velocity-measuring system according to claim 1, is characterized in that: described chip U1 selects MCU chip.
3. a kind of electric bicycle velocity-measuring system according to claim 1, is characterized in that: described display screen L1 selects LCD1602 LCDs.
4. a kind of electric bicycle velocity-measuring system according to claim 1, is characterized in that: described light emitting module is arranged on cycle wheel.
5. a kind of electric bicycle velocity-measuring system according to claim 1, is characterized in that: described photoelectric sensor is arranged on cycle frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420768167.8U CN204255973U (en) | 2014-12-08 | 2014-12-08 | A kind of electric bicycle velocity-measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420768167.8U CN204255973U (en) | 2014-12-08 | 2014-12-08 | A kind of electric bicycle velocity-measuring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204255973U true CN204255973U (en) | 2015-04-08 |
Family
ID=52960267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420768167.8U Expired - Fee Related CN204255973U (en) | 2014-12-08 | 2014-12-08 | A kind of electric bicycle velocity-measuring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204255973U (en) |
Cited By (7)
| 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 |
| 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 |
| 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 |
| CN109533181A (en) * | 2018-10-15 | 2019-03-29 | 苏州龙双电子科技有限公司 | A kind of electric assisted bicycle control system |
-
2014
- 2014-12-08 CN CN201420768167.8U patent/CN204255973U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 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 |
| CN105891532A (en) * | 2016-04-07 | 2016-08-24 | 河南师范大学 | Electric bicycle current mode speed measurement method and 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 |
| 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 |
| 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 |
| CN109533181A (en) * | 2018-10-15 | 2019-03-29 | 苏州龙双电子科技有限公司 | A kind of electric assisted bicycle control system |
| CN109533181B (en) * | 2018-10-15 | 2020-06-23 | 苏州龙双电子科技有限公司 | Electric power-assisted bicycle control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204255973U (en) | A kind of electric bicycle velocity-measuring system | |
| CN102707185A (en) | 2M cable tester | |
| CN104700527A (en) | Cable anti-theft device and method thereof | |
| CN208921814U (en) | Electric car harness switching detection device | |
| CN203616426U (en) | Insulator electrified detection system, insulator electrified detector and handheld receiving terminal | |
| CN202994903U (en) | Hand-held digital display phase checking device | |
| CN202652655U (en) | Led constant current drive circuit | |
| CN202471906U (en) | Rapid tester for performance of light emitting diode | |
| CN202453465U (en) | Common performance detector for light emitting diodes (LED) | |
| CN203629601U (en) | Intelligent testing device for fire hazard detector | |
| CN104634440A (en) | Simple circuit of noise monitor for airport | |
| CN204302445U (en) | A kind of rectifying device testing arrangement reverse recovery time | |
| CN203422137U (en) | Oil level measurement switching circuit | |
| CN202915963U (en) | Electromagnetic flowmeter blank pipe detection circuit | |
| CN204556007U (en) | For the simple and easy photoelectric sensor maintenance detector of mobile phone | |
| CN107037315B (en) | A kind of large size workshop inspector machine winding detection device | |
| CN204945257U (en) | A kind of electrical equipment pick-up unit | |
| CN202735473U (en) | Tester used for infrared ray reception apparatus | |
| CN205484163U (en) | Smoke signal measuring circuit of prepackage type transformer substation | |
| CN203672982U (en) | Single-channel optoelectronic coupler testing instrument | |
| CN202815068U (en) | Long-distance safe electroscope used for high-voltage transmission line | |
| CN201514390U (en) | Household pure water detector | |
| CN201662421U (en) | Infrared electronic liquid level gauge | |
| CN202975105U (en) | Active differential voltage wireless probe | |
| CN202393881U (en) | Test equipment for testing window lifter switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20171208 |