CN202710076U - Digital display odometer of electrombile - Google Patents
Digital display odometer of electrombile Download PDFInfo
- Publication number
- CN202710076U CN202710076U CN 201220325405 CN201220325405U CN202710076U CN 202710076 U CN202710076 U CN 202710076U CN 201220325405 CN201220325405 CN 201220325405 CN 201220325405 U CN201220325405 U CN 201220325405U CN 202710076 U CN202710076 U CN 202710076U
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- CN
- China
- Prior art keywords
- odometer
- hall element
- digital display
- electrical motor
- chip microcomputer
- 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
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Abstract
The utility model discloses a digital display odometer of an electrombile and relates to the field of detecting technology application. The odometer comprises a control panel, a single-ship microcomputer, a data collecting circuit and a power supply circuit which is used for supplying power, wherein a four-position nixie tube, a power supply switch and a reset button are installed on the control panel; the data collecting circuit comprises a magnet which is installed on an electrical motor and a Hall element which is installed on an electrical motor lock, and the Hall element, the four-position nixie tube, the power supply switch and the reset button are respectively connected with the single-chip microcomputer. The digital display odometer has the advantages that the traveling course of the electrical motor is measured, the shortage that an measuring electrical motor can not display courses is covered, the circuit is simple, and the cost is low.
Description
Technical field
The utility model relates to the detection technique application, specifically a kind of electric motor car digital display mileometer.
Background technology
China is bicycle big country, and along with improving constantly of scientific and technological level and people's living standard, electric bicycle has substituted ordinary bicycle gradually.Because electric bicycle is more laborsaving, convenience, again environmental protection, economy, a lot of people's electric bicycles of all selecting on and off duty.So electric bicycle becomes more and more important in people's life, play subsidiary function and also become more and more important.Under this background, the electric bicycle mileometer develops rapidly as the aid that reaches of electric bicycle.But the mileometer of most electric motor car, just the distance that electric motor car is walked can not be measured, be shown to the simple displaying present speed.
Summary of the invention
The shortcoming that does not have metering, shows the walking mileage in order to overcome electric motor car, the utility model provides a kind of electric motor car digital display mileometer, has the function of measuring electric motor car walking distance, is used in conjunction with the mileometer of former electric motor car, thereby brings convenience to the user.
The utility model is realized with following technical scheme: a kind of electric motor car digital display mileometer, the power circuit that comprises control panel, single-chip microcomputer, data acquisition circuit and be used for powering; At control panel group of four figures pipe, power switch and reset button are installed; Data acquisition circuit comprises the magnet that is installed on the motor and is installed in Hall element on the electromechanical locks, and Hall element, group of four figures pipe, power switch are connected with single-chip microcomputer with reset button and are connected.
The beneficial effects of the utility model are: have the function of measuring electric motor car walking mileage, remedy electric motor car and do not have the deficiency that the measurement electric motor car can not measure the demonstration mileage; Circuit is simple, cost is low.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the utility model theory diagram;
Fig. 2 is the control panel structural representation;
Fig. 3 is magnet and Hall element mounting structure schematic diagram;
Fig. 4 is the utility model circuit diagram;
Fig. 5 is power circuit diagram.
Among the figure: 1, magnet, 2, Hall element, 3, group of four figures pipe, 4, power switch, 5, reset button, 6, electromechanical locks, 7, motor.
Embodiment
Such as Fig. 1, Fig. 2 and shown in Figure 3, a kind of electric motor car digital display mileometer has a control panel, single-chip microcomputer, data acquisition circuit and is used for the power circuit of power supply; At control panel group of four figures pipe 3, power switch 4 and reset button 5 are installed; Data acquisition circuit comprises the magnet 1 that is installed on the motor 7 and is installed in Hall element 2 on the electromechanical locks 6, and Hall element 2, group of four figures pipe 3, power switch 4 are connected with reset button and are connected with single-chip microcomputer respectively.
As shown in Figure 4, single-chip microcomputer adopts the MCS-51 single-chip microcomputer, and group of four figures pipe adopts the common anode utmost point to connect,
Signal deteching circuit is mainly finished by Hall element, Hall element on the motor rotation process electromechanical locks of rear wheels of electric vehicle is just exported a pulse signal, thereby is finished the variation that is transferred to electric signal by the motion of wheel, the comparison amplifying circuit that consists of via LM324 is again processed, and gives single-chip microcomputer.Single-chip microcomputer is counted, is processed the pulse signal of sending here, demonstrates mileage number by the group of four figures pipe on the shell.
As shown in Figure 5, power circuit adopts the battery of mobile phone of two high power capacity, obtains after the LM7805 voltage stabilizing+the 5V power supply.
The course of work: during use, turn on the power switch 4 and can realize the demonstration of having the records of distance by the log, have the records of distance by the log by starting from scratch after the reset button 5.Single-chip microcomputer is for processing core, changes the revolution of wheel into pulse signal with Hall element, sends into single-chip microcomputer to process; Measure by the Timer/Counter of single-chip microcomputer must pulse, and by the calculating of single-chip microcomputer, its mileage number shows by charactron again.
The measure theory modeling: the girth of supposing wheel is
l, at wheel 1 magnet is installed, when wheel whenever turns around, collect a pulse signal (sensor whenever obtains a pulse signal and represents vehicle wheel rotation one circle) by Hall element, the product of umber of pulse n and wheel circumference L is the mileage value, i.e. mileage s=n
l/ 1000(kilometer).
Claims (1)
1. an electric motor car digital display mileometer is characterized in that: the power circuit that comprises control panel, single-chip microcomputer, data acquisition circuit and be used for powering; At control panel group of four figures pipe (3), power switch (4) and reset button (5) are installed; Data acquisition circuit comprises the magnet (1) that is installed on the motor and is installed in Hall element (2) on the electromechanical locks, and Hall element (2), group of four figures pipe (3), power switch (4) are connected 5 with reset button) be connected with single-chip microcomputer respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220325405 CN202710076U (en) | 2012-07-06 | 2012-07-06 | Digital display odometer of electrombile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220325405 CN202710076U (en) | 2012-07-06 | 2012-07-06 | Digital display odometer of electrombile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202710076U true CN202710076U (en) | 2013-01-30 |
Family
ID=47590367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220325405 Expired - Fee Related CN202710076U (en) | 2012-07-06 | 2012-07-06 | Digital display odometer of electrombile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202710076U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296773A (en) * | 2014-10-20 | 2015-01-21 | 陕西法士特齿轮有限责任公司 | Electronic type odometer sensor for commercial vehicle |
-
2012
- 2012-07-06 CN CN 201220325405 patent/CN202710076U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296773A (en) * | 2014-10-20 | 2015-01-21 | 陕西法士特齿轮有限责任公司 | Electronic type odometer sensor for commercial vehicle |
| CN104296773B (en) * | 2014-10-20 | 2017-07-28 | 陕西法士特齿轮有限责任公司 | A kind of commercial vehicle electric minor kilometer sensor |
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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 |
Granted publication date: 20130130 Termination date: 20150706 |
|
| EXPY | Termination of patent right or utility model |