CN205067514U - Based on STC motor rotation number caliber - Google Patents
Based on STC motor rotation number caliber Download PDFInfo
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- CN205067514U CN205067514U CN201520559061.1U CN201520559061U CN205067514U CN 205067514 U CN205067514 U CN 205067514U CN 201520559061 U CN201520559061 U CN 201520559061U CN 205067514 U CN205067514 U CN 205067514U
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Abstract
The utility model discloses a based on STC motor rotation number caliber, include: singlechip, reset circuit, button module, indicating circuit, download module, drive circuit, speed measuring module, buzzer, display module, power module, 5V steady voltage unit reach + 3.3V steady voltage unit, power module connection + 5V steady voltage unit and drive circuit, + 5V steady voltage unit connection singlechip, reset circuit, button module, indicating circuit, download module, drive circuit, speed measuring module, buzzer, display module reach + 3.3V steady voltage unit, speed measuring module rotates direct current motor through photoelectric encoder and tests the speed in real time. The utility model discloses system owner circuit structure is simple, the low -power consumption, and switching frequency is high, and the harmonic is little, and it is little to pulse, and the loss of electric machine is low, and stability can be good, the speed governing wide range, the frequency band width, the response is fast, and the interference killing feature is strong, but the wide application is in the traffic, among the electric power transmission system such as industrial and mining enterprises.
Description
Technical field
The utility model is specifically related to a kind of based on STC motor speed measurement device.
Background technology
Along with the development of science and technology in industrial automation industry, slewing be unable to do without all commercial units, and therefore various motor plays vital effect in different fields.Thing followed problem is, how just can better rotate by opertaing device, according to different environment, required mode is had nothing in common with each other, but major part all can relate to tachometric survey, thus controls equipment according to rotating speed.
Tachometric survey is the important content in mechanical test, and whether the motor that his rotating speed can be expressed now is carrying out normal mechanical rotation, and in real time whether the rotating speed of reality also can show it and break down in operation process, avoids resulting in greater loss.
Being of wide application of tachometric survey, such as commercial production, science and education field, civil electric appliances etc. all have and relate to, and the measurement of motor speed is also often the control system core in these fields, its parameter is different in the emphasis that different fields is dabbled, but in the middle of the application of governing system, in the middle of expanding economy, still there is considerable meaning.
Direct current generator is adapted at the scope smoothing speed governing in region broad as far as possible, owing to having good performance, so be required for a long time to obtain widespread use in speed governing application.Along with the development of power electronics and control technology, AC speed regulating perfect, its performance can match in excellence or beauty with it, make the scope of speed governing more open, but because control technology is more loaded down with trivial details by contrast, cost is higher, be therefore also difficult at short notice replace Direct Current Governor System.
Utility model content
One of the purpose of this utility model be to provide a kind of high precision, antijamming capability strong based on STC motor speed measurement device.
The utility model provides a kind of based on STC motor speed measurement device, comprising: single-chip microcomputer, reset circuit, key-press module, indicating circuit, download module, driving circuit, speed measuring module, hummer, display module, power module ,+5V voltage regulation unit and+3.3V voltage regulation unit; Described power module connects described+5V voltage regulation unit and driving circuit; Described+5V voltage regulation unit connects described single-chip microcomputer, reset circuit, key-press module, indicating circuit, download module, driving circuit, speed measuring module, hummer, display module and+3.3V voltage regulation unit; Described single-chip microcomputer also connects described reset circuit, key-press module, indicating circuit, download module, speed measuring module, hummer and display module.
Further, described single-chip microcomputer adopts STC15F2K60S2 single-chip microcomputer, comprises 60K bytes Flash flash memory, 2048 byte inner RAM, 38 I/O mouth lines, one 14 vector, three grades of interrupt structures, three 16 digit counters, a serial line interface.
Further, adopt L293D chip as the driving chip of described direct current generator; Direct current generator described in two-way can be controlled simultaneously.
Further, described power module adopts+7.2V battery case; Described+5V voltage regulation unit adopts 7805 three-terminal voltage-stabilizing chips.
Further, described display module adopts OLED display screen.
The beneficial effects of the utility model are, the one that the utility model provides is master controller based on STC motor speed measurement device with single-chip microcomputer, is aided with peripheral circuit, reach detection, control and the object of speed measuring motor by control program.Display module display runnable interface and current rotating speed, and can man-machine interaction be realized.Realize different motor speed to test the speed.System main circuit structure is simple, low-power consumption, and switching frequency is high, and harmonic wave is little, and pulse little, the loss of electric machine is low, and stability is good, and speed adjustable range is wide, bandwidth, and response is fast, and antijamming capability is strong; Traffic can be widely used in, in the power transmission systems such as industrial and mining enterprises.
Accompanying drawing explanation
Figure 1 shows that a kind of module map based on STC motor speed measurement device of the utility model.
Embodiment
Hereafter will describe the utility model specific embodiment 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 utility model provides a kind of based on STC motor speed measurement device, comprising: single-chip microcomputer 1, reset circuit 2, key-press module 3, indicating circuit 4, download module 5, driving circuit 6, speed measuring module 7, hummer 8, display module 10, power module 11 ,+5V voltage regulation unit 12 and+3.3V voltage regulation unit 13; Power module 11 connects+5V voltage regulation unit 12 and driving circuit 6; + 5V voltage regulation unit 12 connects single-chip microcomputer 1, reset circuit 2, key-press module 3, indicating circuit 4, download module 5, driving circuit 6, speed measuring module 7, hummer 8, display module 10 and+3.3V voltage regulation unit 13; Single-chip microcomputer 1 also connects reset circuit 2, key-press module 3, indicating circuit 4, download module 5, speed measuring module 7, hummer 8, Flash character library 9 and display module 10; Speed measuring module 7 rotates real time speed measuring by photoelectric encoder to direct current generator 14.
Single-chip microcomputer 1 and+3.3V voltage regulation unit 13 are also connected with Flash character library 9.
Further, single-chip microcomputer 1 adopts STC15F2K60S2 single-chip microcomputer, comprises 60K bytes Flash flash memory, 2048 byte inner RAM, 38 I/O mouth lines, one 14 vector, three grades of interrupt structures, three 16 digit counters, a serial line interface.
Further, adopt L293D as the driving chip of direct current generator 14; L293D inside is four comparator drives circuit 6, can control two-way direct current generator 14 simultaneously.Two direct current generators 14 have Enable Pin, can input PWM ripple in Enable Pin, thus realize controlling direct current generator 14 rotating speed.
Further, power module 11 adopts+7.2V battery case; + 5V voltage regulation unit 12 adopts 7805 three-terminal voltage-stabilizing chips, and the power supply allowing outside input be greater than 5V reduces to 5V.System inserts power module 11, first after capacitor filtering, inputs to 7,805 three end reduction voltage circuits, and three-terminal voltage-stabilizing exports powers to whole control panel through capacitor filter again, gives stable 5V voltage.
Further, display module 10 adopts OLED display screen.OLED is Organic Light Emitting Diode.There is volume little, energy-conservation low-power consumption.High resolving power, brightness are high, without advantages such as backlights.
Further, Flash character library 9 adopts W25Q16 to do the character library of display module 10, for Display of Chinese characters and ASCII character.
The utility model key-press module 3 adopts 5 buttons to carry out man-machine interaction.System button uses pull-up exclusion to improve level, the input low level signal when button is pressed.Because STC15F2K60S2 single-chip processor i/o mouth enriches, also have residue at this, therefore select the mode be directly connected with I/O mouth by button, while simplifying circuit, can also Software for Design be simplified.
Hummer 8 is specified as voltage is :+5V, rated current is: 30mA.Can directly be connected in circuit system, the signal feedback of hummer 8 circuit realiration system and user.Hummer 8 adopts transistor amplifier to improve its drive current, gives user key-press sound feedback, and whenever there being user key-press to press, system sends the sound ticked, and gives user feedback, thus system tells that user receives push button signalling.Under arbitrary patterns, press any user key-press, hummer 8 all has sound to indicate, and indicates illustrate that controller does not correctly receive key information as not having sound.
When measuring appliance breaks down or show mistake, user also can be started working by system re-initialization again by the reset key pressed in reset circuit 2.What STC15F2K60S2 adopted is the effective reset mode of high level.When reset key is pressed, electric capacity is short-circuited, electric discharge.Single-chip microcomputer 1 reset pin input high level.Thus cause single-chip microcomputer 1 to reset.When button unclamps, capacitor charging.Single-chip microcomputer 1 reset pin input low level, makes single-chip microcomputer 1 normally work.
The one that the utility model provides based on STC motor speed measurement device with single-chip microcomputer 1 for master controller, be aided with peripheral circuit, reach detection by control program, control and the object of speed measuring motor.Display module 10 shows runnable interface and current rotating speed, and can realize man-machine interaction.Realize different direct current generator 14 speed.System main circuit structure is simple, low-power consumption, and switching frequency is high, and harmonic wave is little, and pulse little, the loss of electric machine is low, and stability is good, and speed adjustable range is wide, bandwidth, and response is fast, and antijamming capability is strong; Traffic can be widely used in, in the power transmission systems such as industrial and mining enterprises.
Although given embodiments more of the present utility model, it will be understood by those of skill in the art that when not departing from the utility model spirit herein, can change embodiment herein.Above-described embodiment is exemplary, should using embodiment herein as the restriction of the utility model interest field.
Claims (5)
1. one kind based on STC motor speed measurement device, it is characterized in that, comprising: single-chip microcomputer, reset circuit, key-press module, indicating circuit, download module, driving circuit, speed measuring module, hummer, display module, power module ,+5V voltage regulation unit and+3.3V voltage regulation unit; Described power module connects described+5V voltage regulation unit and driving circuit; Described+5V voltage regulation unit connects described single-chip microcomputer, reset circuit, key-press module, indicating circuit, download module, driving circuit, speed measuring module, hummer, display module and+3.3V voltage regulation unit; Described single-chip microcomputer also connects described reset circuit, key-press module, indicating circuit, download module, speed measuring module, hummer and display module.
2. as claimed in claim 1 a kind of based on STC motor speed measurement device, it is characterized in that, described single-chip microcomputer adopts STC15F2K60S2 single-chip microcomputer, comprise 60K bytes Flash flash memory, 2048 byte inner RAM, 38 I/O mouth lines, one 14 vector, three grades of interrupt structures, three 16 digit counters, a serial line interface.
3. one as claimed in claim 1 is based on STC motor speed measurement device, it is characterized in that, adopts L293D chip as the driving chip of direct current generator; Two-way direct current generator can be controlled simultaneously.
4. one as claimed in claim 1 is based on STC motor speed measurement device, it is characterized in that, described power module adopts+7.2V battery case; Described+5V voltage regulation unit adopts 7805 three-terminal voltage-stabilizing chips.
5. one as claimed in claim 1 is based on STC motor speed measurement device, it is characterized in that, described display module adopts OLED display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520559061.1U CN205067514U (en) | 2015-07-29 | 2015-07-29 | Based on STC motor rotation number caliber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520559061.1U CN205067514U (en) | 2015-07-29 | 2015-07-29 | Based on STC motor rotation number caliber |
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| Publication Number | Publication Date |
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| CN205067514U true CN205067514U (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520559061.1U Expired - Fee Related CN205067514U (en) | 2015-07-29 | 2015-07-29 | Based on STC motor rotation number caliber |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104991082A (en) * | 2015-07-29 | 2015-10-21 | 湖南工业大学 | STC-based motor rotating speed measurer |
| CN105816090A (en) * | 2016-05-06 | 2016-08-03 | 温州帝仕电子科技有限公司 | Hand dryer controller based on STC single chip microcomputer |
| CN109374916A (en) * | 2018-09-06 | 2019-02-22 | 芜湖职业技术学院 | A kind of low power consumption electric motor speed detector |
-
2015
- 2015-07-29 CN CN201520559061.1U patent/CN205067514U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104991082A (en) * | 2015-07-29 | 2015-10-21 | 湖南工业大学 | STC-based motor rotating speed measurer |
| CN105816090A (en) * | 2016-05-06 | 2016-08-03 | 温州帝仕电子科技有限公司 | Hand dryer controller based on STC single chip microcomputer |
| CN109374916A (en) * | 2018-09-06 | 2019-02-22 | 芜湖职业技术学院 | A kind of low power consumption electric motor speed detector |
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| Date | Code | Title | Description |
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| 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: 20160302 Termination date: 20160729 |
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| CF01 | Termination of patent right due to non-payment of annual fee |