CN104459185A - Motor rotating speed measuring apparatus based on ATmega8L single-chip microcomputer - Google Patents
Motor rotating speed measuring apparatus based on ATmega8L single-chip microcomputer Download PDFInfo
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- CN104459185A CN104459185A CN201310419595.XA CN201310419595A CN104459185A CN 104459185 A CN104459185 A CN 104459185A CN 201310419595 A CN201310419595 A CN 201310419595A CN 104459185 A CN104459185 A CN 104459185A
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Abstract
The invention discloses a motor rotating speed measuring apparatus based on an ATmega8L single-chip microcomputer, comprising an ATmega8L single-chip microcomputer, a hall sensor, a power supply cell, a crystal oscillator circuit module, a reset circuit module, a data storage circuit module, a voltage converting circuit module and a power switch. An output terminal of the hall sensor is in connection with an amplification circuit module; an output terminal of the amplification circuit module is in connection with a shaping circuit module; the shaping module is in connection with an input terminal of the ATmega8L single-chip microcomputer; the input terminal of the ATmega8L single-chip microcomputer is also attached to a key operation circuit module and a clock circuit module; an output terminal of the ATmega8L single-chip microcomputer is in connection with a nixie tube display circuit module. The motor rotating speed measuring apparatus has the characteristics of simple structure, reasonable design, low cost, small size, convenient use and operation, high sensitivity, precision and work reliability, strong practicality and good use effect, and is convenient to realize and popularize.
Description
Technical field
The present invention relates to motor speed measurement technical field, especially relate to a kind of motor speed measurement device based on ATmega8L single-chip microcomputer.
Background technology
In recent years, along with the development of Power Electronic Technique, computer technology and Micro-control Technology, direct current generator has good startup, braking and speed adjusting performance because of it, has been widely used in the fields such as machine-building, electric power, metallurgy.Because servo drive system is constantly towards digital intelligent future development, therefore the control of rotating speed becomes the key link realized in industry measurement and control system.And the rotating speed how measuring motor controls one of outstanding problem becoming motor application with realization to the high precision of rotating speed, rotating speed measurement method conventional at present has tech-generator velocimetry and photoelectric code disk velocimetry etc., and they respectively have merits and demerits, DC tachometer generator is the detecting element that range of application is wider, its major advantage is that sensitivity, High Linear error are little, but because it has brush and commutation contact device, thus reliability is poor, is of limited application; Although common photoelectric encoder precision is higher, volume is large, and cost is high.
Summary of the invention
Technical matters to be solved by this invention is for above-mentioned deficiency of the prior art, and provide a kind of motor speed measurement device based on ATmega8L single-chip microcomputer, its structure is simple, reasonable in design, realization is convenient and cost is low, and volume is little, easy to carry, use simple operation, motor speed measuring is highly sensitive, and precision is high, functional reliability is high, practical, result of use is good, is convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of motor speed measurement device based on ATmega8L single-chip microcomputer, it is characterized in that: comprise ATmega8L single-chip microcomputer, for the Hall element that detects motor speed and the supplying cell for each electricity consumption module for power supply in device, and the crystal oscillating circuit module to connect with described ATmega8L single-chip microcomputer, reset circuit module and data storage circuitry module, the output terminal voltage transitions be connected to for being exported by supplying cell of described supplying cell is the voltage conversion circuit module of each electricity consumption module required voltage in device, described voltage conversion circuit module is be in series with power switch in the current supply circuit of each electricity consumption module for power supply in device, the output terminal of described Hall element is connected to the amplification circuit module that the signal for exporting Hall element amplifies, the output terminal of described amplification circuit module is connected to the shaping circuit module for sine wave signal being converted into square-wave pulse signal, the output terminal of described shaping circuit module connects with the input end of described ATmega8L single-chip microcomputer, the input end of described ATmega8L single-chip microcomputer is also connected to button operation circuit module and clock circuit module, the output terminal of described ATmega8L single-chip microcomputer is connected to the digital pipe display circuit module for showing motor speed.
The above-mentioned motor speed measurement device based on ATmega8L single-chip microcomputer, is characterized in that: described supplying cell is charged lithium cells.
The above-mentioned motor speed measurement device based on ATmega8L single-chip microcomputer, is characterized in that: described data storage circuitry module is programmable storage AT24C02A.
The above-mentioned motor speed measurement device based on ATmega8L single-chip microcomputer, is characterized in that: described clock circuit module is formed primarily of clock chip DS1302.
The present invention compared with prior art has the following advantages:
1, circuit structure of the present invention is simple, reasonable in design, and realization is convenient and cost is low.
2, the present invention adopts Hall element to detect motor speed, has the features such as size is little, peripheral circuit simple, long service life, debugging convenience, makes volume of the present invention little, easy to carry, uses simple operation.
3, present invention employs the single chip computer AT mega8L of low-power consumption, not only low in energy consumption, and also data processing speed is fast, and motor speed measuring is highly sensitive, and precision is high.
4, functional reliability of the present invention is high, practical, and result of use is good, is convenient to promote the use of.
In sum, structure of the present invention is simple, reasonable in design, and realization is convenient and cost is low, and volume is little, easy to carry, and use simple operation, motor speed measuring is highly sensitive, and precision is high, and functional reliability is high, practical, and result of use is good, is convenient to promote the use of.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present invention.
Description of reference numerals:
Embodiment
As shown in Figure 1, the present invention includes ATmega8L single-chip microcomputer 1, for the Hall element 2 that detects motor speed and the supplying cell 3 for each electricity consumption module for power supply in device, and the crystal oscillating circuit module 4 to connect with described ATmega8L single-chip microcomputer 1, reset circuit module 5 and data storage circuitry module 6, the output terminal voltage transitions be connected to for being exported by supplying cell 3 of described supplying cell 3 is the voltage conversion circuit module 7 of each electricity consumption module required voltage in device, described voltage conversion circuit module 7 is be in series with power switch 8 in the current supply circuit of each electricity consumption module for power supply in device, the output terminal of described Hall element 2 is connected to the amplification circuit module 9 that the signal for exporting Hall element 2 amplifies, the output terminal of described amplification circuit module 9 is connected to the shaping circuit module 10 for sine wave signal being converted into square-wave pulse signal, the output terminal of described shaping circuit module 10 connects with the input end of described ATmega8L single-chip microcomputer 1, the input end of described ATmega8L single-chip microcomputer 1 is also connected to button operation circuit module 11 and clock circuit module 12, the output terminal of described ATmega8L single-chip microcomputer 1 is connected to the digital pipe display circuit module 13 for showing motor speed.
In the present embodiment, described supplying cell 3 is charged lithium cells.Described data storage circuitry module 6 is programmable storage AT24C02A.Described clock circuit module 12 is formed primarily of clock chip DS1302.
Principle of work of the present invention and the course of work are: press after power switch 8 opens, the voltage transitions that supplying cell 3 exports by voltage conversion circuit module 7 is that in device, each electricity consumption module required voltage is also each electricity consumption module for power supply, by operation push-button function circuit module 11 open detection, Hall element 2 starts to detect motor speed, the sine wave signal detected exports to shaping circuit module 10 after amplification circuit module 9 is amplified, sine wave signal is converted into square-wave pulse signal and exports to ATmega8L single-chip microcomputer 1 by shaping circuit module 10, ATmega8L single-chip microcomputer 1 utilizes the counter of its inside to count the square-wave pulse signal that shaping circuit module 10 exports, control gate time, the tachometer value of the corresponding motor of count value of counter can be realized, ATmega8L single-chip microcomputer 1 controls charactron display circuit module 13 pairs of motor speed values and shows.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solution of the present invention.
Claims (4)
1. the motor speed measurement device based on ATmega8L single-chip microcomputer, it is characterized in that: comprise ATmega8L single-chip microcomputer (1), for the Hall element (2) that detects motor speed and the supplying cell (3) for each electricity consumption module for power supply in device, and the crystal oscillating circuit module (4) to connect with described ATmega8L single-chip microcomputer (1), reset circuit module (5) and data storage circuitry module (6), the output terminal voltage transitions be connected to for being exported by supplying cell (3) of described supplying cell (3) is the voltage conversion circuit module (7) of each electricity consumption module required voltage in device, power switch (8) is in series with in the current supply circuit of described voltage conversion circuit module (7) for electricity consumption module for power supply each in device, the output terminal of described Hall element (2) is connected to the amplification circuit module (9) that the signal for exporting Hall element (2) amplifies, the output terminal of described amplification circuit module (9) is connected to the shaping circuit module (10) for sine wave signal being converted into square-wave pulse signal, the output terminal of described shaping circuit module (10) connects with the input end of described ATmega8L single-chip microcomputer (1), the input end of described ATmega8L single-chip microcomputer (1) is also connected to button operation circuit module (11) and clock circuit module (12), the output terminal of described ATmega8L single-chip microcomputer (1) is connected to the digital pipe display circuit module (13) for showing motor speed.
2. according to the motor speed measurement device based on ATmega8L single-chip microcomputer according to claim 1, it is characterized in that: described supplying cell (3) is charged lithium cells.
3. according to the motor speed measurement device based on ATmega8L single-chip microcomputer according to claim 1, it is characterized in that: described data storage circuitry module (6) is programmable storage AT24C02A.
4. according to the motor speed measurement device based on ATmega8L single-chip microcomputer according to claim 1, it is characterized in that: described clock circuit module (12) is formed primarily of clock chip DS1302.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310419595.XA CN104459185A (en) | 2013-09-15 | 2013-09-15 | Motor rotating speed measuring apparatus based on ATmega8L single-chip microcomputer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310419595.XA CN104459185A (en) | 2013-09-15 | 2013-09-15 | Motor rotating speed measuring apparatus based on ATmega8L single-chip microcomputer |
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| CN104459185A true CN104459185A (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310419595.XA Pending CN104459185A (en) | 2013-09-15 | 2013-09-15 | Motor rotating speed measuring apparatus based on ATmega8L single-chip microcomputer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833817A (en) * | 2015-05-06 | 2015-08-12 | 成都诚邦动力测试仪器有限公司 | Motor speed measuring system based on linear drive |
| CN104897920A (en) * | 2015-05-06 | 2015-09-09 | 成都诚邦动力测试仪器有限公司 | Motor rotating speed testing system based on double field-effect transistor oscillating circuit |
| CN104991082A (en) * | 2015-07-29 | 2015-10-21 | 湖南工业大学 | STC-based motor rotating speed measurer |
| CN105337537A (en) * | 2015-11-26 | 2016-02-17 | 深圳怡化电脑股份有限公司 | Closed-loop control circuit of three-phase brushless direct-current motor and automatic teller machine |
-
2013
- 2013-09-15 CN CN201310419595.XA patent/CN104459185A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833817A (en) * | 2015-05-06 | 2015-08-12 | 成都诚邦动力测试仪器有限公司 | Motor speed measuring system based on linear drive |
| CN104897920A (en) * | 2015-05-06 | 2015-09-09 | 成都诚邦动力测试仪器有限公司 | Motor rotating speed testing system based on double field-effect transistor oscillating circuit |
| CN104991082A (en) * | 2015-07-29 | 2015-10-21 | 湖南工业大学 | STC-based motor rotating speed measurer |
| CN105337537A (en) * | 2015-11-26 | 2016-02-17 | 深圳怡化电脑股份有限公司 | Closed-loop control circuit of three-phase brushless direct-current motor and automatic teller machine |
| CN105337537B (en) * | 2015-11-26 | 2018-04-06 | 深圳怡化电脑股份有限公司 | A kind of closed control circuit and ATM of three-phase direct-current brushless motor |
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Application publication date: 20150325 |