CN202661892U - Synchronous speed controller - Google Patents
Synchronous speed controller Download PDFInfo
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- CN202661892U CN202661892U CN 201220153924 CN201220153924U CN202661892U CN 202661892 U CN202661892 U CN 202661892U CN 201220153924 CN201220153924 CN 201220153924 CN 201220153924 U CN201220153924 U CN 201220153924U CN 202661892 U CN202661892 U CN 202661892U
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- type flip
- flip flop
- input end
- sheffer stroke
- stroke gate
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Abstract
The utility model discloses a synchronous speed controller, and relates to a synchronous speed control device. The controller comprises four D triggers, an oscillating circuit, a decoder, a NAND gate and a conversion integrated chip. The input end of the D trigger III is respectively connected with an encoder for acquiring the speed signal of a mechanical facility, the output end of the D trigger I is respectively connected with the input ends of D trigger III and the decoder, the output end of the D trigger II is respectively connected with the input ends of the D trigger IV and the decoder, the output ends of the D trigger III and the D trigger IV are respectively connected with the input end of the decoder, the oscillating circuit is respectively connected with the control ends of the D triggers I, II, III and IV, the output ends of the decoder are respectively connected with the input end of the NAND gate, the output end of the NAND gate is respectively connected with the input end of the conversion integrated chip, and the output ends of the conversion integrated chip are respectively connected with the control port of a servo motor driver for controlling the speed of a mechanical facility II. The synchronous speed controller has the advantages of being high in precision, simple in structure, excellent in reliability, and so on.
Description
Technical field
The utility model relates to a kind of synchronous rotational speed control device, and is especially a kind of for control one terminal tool mechanism and the synchronous control device that rotates of other end mechanical mechanism.
Background technology
Need control two mechanical mechanism synchronization, usually adopt now synchronous mechanism control, the advantage of synchronous mechanism is that electrical control is simple, low cost of manufacture; Shortcoming is that mechanical device structure is complicated, makes whole equipment external form complicated, causes the operational maintenance difficulty, and has affected the serviceable life of equipment, in addition, synchronous mechanism since be subjected to the driving-chain element precision to affect its transmission accuracy often not high.
The utility model content
The purpose of this utility model provides that a kind of control accuracy is high, simple in structure, good reliability, easy to use, control easily synchronous rotational speed controller.
The technical scheme that the utility model adopts for achieving the above object is: a kind of synchronous rotational speed controller, this controller comprises d type flip flop, oscillatory circuit, code translator, Sheffer stroke gate and the conversion integrated chip of changing for signal, d type flip flop comprises the d type flip flop I, the d type flip flop II, d type flip flop III and d type flip flop IV, the input end of d type flip flop I and d type flip flop II is connected with the scrambler of collection machinery mechanism I tach signal respectively, the output terminal of d type flip flop I is connected with the input end of d type flip flop III and the input end of code translator respectively, the output terminal of d type flip flop II is connected with the input end of d type flip flop IV and the input end of code translator respectively, the d type flip flop III is connected with the input end of code translator respectively with the output terminal of d type flip flop IV, oscillatory circuit respectively with the d type flip flop I, the d type flip flop II, the d type flip flop III, the control end of d type flip flop IV connects, Sheffer stroke gate comprises Sheffer stroke gate I and Sheffer stroke gate II, the output terminal of code translator respectively with the Sheffer stroke gate I, the input end of Sheffer stroke gate II connects, the Sheffer stroke gate I, the output terminal of Sheffer stroke gate II is connected with the input end of conversion integrated chip respectively, and the output terminal of conversion integrated chip is connected with the control port of the motor servo driver of control mechanical mechanism II rotating speed.
Further technical scheme of the present utility model is: described conversion integrated chip is MC3487 or AM26LS31.
Again further technical scheme of the present utility model is: described oscillatory circuit comprises electric capacity and resistance and the phase inverter in parallel with resistance of mutual series connection.
Further technical scheme of the present utility model is: described code translator is 4-16 line code translators.
Further technical scheme of the present utility model is: described code translator model is 74LS154 or 74LS159.
Because adopt said structure, the synchronous rotational speed controller of the utility model has following beneficial effect:
1, high, the good reliability of control accuracy
The synchronous rotational speed controller of the utility model is by four d type flip flop work of oscillatory circuit control, four tach signal (rotating speed of mechanical mechanism I) pulse increases that d type flip flop collects scrambler, energy Effective Raise control accuracy, code translator is again with the synthetic Sheffer stroke gate of exporting to of 4 pulse signals, signal is converted to the control signal that can control motor servo driver work through the conversion integrated chip again, the work of driver control servomotor, rotating speed by servomotor controller tool mechanism II, so that the mechanical mechanism I is identical or synchronous with the rotating speed of mechanical mechanism II, the synchronous rotational speed controller adopts d type flip flop, oscillatory circuit, code translator, Sheffer stroke gate, the electronic devices and components such as conversion integrated chip transmit and switching signal, control accuracy is high, good reliability can not be subjected to the impact of driving-chain element precision and affects transmission accuracy as mechanical synchronizing linkage.
2, simple in structure, easy to use, control convenience
The synchronous rotational speed controller of the utility model is owing to adopting the electronic devices and components such as d type flip flop, oscillatory circuit, code translator, Sheffer stroke gate, conversion integrated chip to transmit and switching signal, the directly outsourcing of these electronic devices and components, need not research and development and make these electronic devices and components, synchronous rotational speed controller one-piece construction is simple, easy to use, control is convenient.
Below in conjunction with drawings and Examples the utility model synchronous rotational speed controller is described further.
Description of drawings
Fig. 1 is the utility model synchronous rotational speed controller architecture schematic diagram;
Schematic diagram when Fig. 2 is the use of the utility model synchronous rotational speed controller.
Main element label declaration: 1-d type flip flop I, 2-d type flip flop II, 3-d type flip flop III, 4-d type flip flop IV, 5-code translator, 6-Sheffer stroke gate I, 7-Sheffer stroke gate II, 8-conversion integrated chip, 9-scrambler, 10-mechanical mechanism I, 11-mechanical mechanism II, 12-AC servo motor, 13-driver.
Embodiment
As shown in Figure 1 and Figure 2, the utility model synchronous rotational speed controller, this controller comprise d type flip flop, oscillatory circuit, code translator 5, Sheffer stroke gate and are used for the conversion integrated chip 8 that signal is changed.
Described d type flip flop comprises d type flip flop I 1, d type flip flop II 2, d type flip flop III 3 and d type flip flop IV 4.The input end D of d type flip flop I 1 and d type flip flop II 2 is connected with the scrambler 9 of collection machinery mechanism I 10 tach signals respectively, scrambler 9 directly is connected with mechanical mechanism I 10 output shafts, and scrambler 9 collection machinery mechanism I 10 tach signals also are converted to electric signal with tach signal.The output terminal Q of d type flip flop I 1 is connected with the input end D of d type flip flop III 3 and the input end A of code translator 5 respectively, the output terminal Q of d type flip flop II 2 is connected with the input end D of d type flip flop IV 4 and the input end B of code translator 5 respectively, and d type flip flop III 3 is connected with input end C, the D of code translator 5 respectively with the output terminal Q of d type flip flop IV 4.Described code translator is 4-16 line code translators, and the code translator model is 74LS154 or 74LS159.Oscillatory circuit is connected with the control end CP of d type flip flop I 1, d type flip flop II 2, d type flip flop III 3, d type flip flop IV 4 respectively, and oscillatory circuit comprises capacitor C and resistance R and the phase inverter in parallel with resistance R of mutual series connection.Sheffer stroke gate comprises Sheffer stroke gate I 6 and Sheffer stroke gate II 7, the output terminal of code translator 5 respectively with Sheffer stroke gate I 6, the input end of Sheffer stroke gate II 7 connects, Sheffer stroke gate I 6, the output terminal of Sheffer stroke gate II 7 is connected with the input end of conversion integrated chip 8 respectively, Sheffer stroke gate I 6, Sheffer stroke gate II 7 is respectively applied to transmit tach signal and rotating signal, the output terminal of conversion integrated chip 8 is connected with the control port of the motor servo driver 13 of control mechanical mechanism II 11 rotating speeds, described conversion integrated chip 8 is MC3487 in the present embodiment, and certain described conversion integrated chip also can be AM26LS31.
During work, mechanical mechanism I 10 predetermined rotary shaft rotating speed values are inputted by the host computer (not shown), the tach signal of scrambler 9 collection machinery mechanism I 10 output shaft rotational speed N 1, and tach signal is converted to electric signal (producing the input signal of control mechanical mechanism II 11), input signal is through four d type flip flops, code translator, Sheffer stroke gate, MC3487 or AM26LS31 process and are transformed into driver 13 needed signals, wherein four needed trigger pulses of d type flip flop are by phase inverter, resistance R, capacitor C forms, and oscillatory circuit sends the work of pulse signal control d type flip flop.Driver 13 is controlled AC servo motor 12 work again, and AC servo motor 12 is controlled the rotational speed N 2 that mechanical mechanism II 11 is rotated again, and N1 is equated with N2.Also can be by control driver 13, input signal is zoomed in or out so that by a certain percentage rotating speed rotation of N1 and N2, namely N1 is with N2 is synchronous but rotating speed is not identical.
As variation of the present utility model, conversion integrated chip, oscillatory circuit, code translator are not limited to the cited form of above-described embodiment, also can be other form with identical function, as long as the conversion of doing all belongs to category of the present utility model in scope of the present utility model.
Claims (5)
1. synchronous rotational speed controller, it is characterized in that, this controller comprises d type flip flop, oscillatory circuit, code translator, Sheffer stroke gate and the conversion integrated chip of changing for signal, d type flip flop comprises the d type flip flop I, the d type flip flop II, d type flip flop III and d type flip flop IV, the input end of d type flip flop I and d type flip flop II is connected with the scrambler of collection machinery mechanism I tach signal respectively, the output terminal of d type flip flop I is connected with the input end of d type flip flop III and the input end of code translator respectively, the output terminal of d type flip flop II is connected with the input end of d type flip flop IV and the input end of code translator respectively, the d type flip flop III is connected with the input end of code translator respectively with the output terminal of d type flip flop IV, oscillatory circuit respectively with the d type flip flop I, the d type flip flop II, the d type flip flop III, the control end of d type flip flop IV connects, Sheffer stroke gate comprises Sheffer stroke gate I and Sheffer stroke gate II, the output terminal of code translator respectively with the Sheffer stroke gate I, the input end of Sheffer stroke gate II connects, the Sheffer stroke gate I, the output terminal of Sheffer stroke gate II is connected with the input end of conversion integrated chip respectively, and the output terminal of conversion integrated chip is connected with the control port of the motor servo driver of control mechanical mechanism II rotating speed.
2. synchronous rotational speed controller as claimed in claim 1 is characterized in that, described conversion integrated chip is MC3487 or AM26LS31.
3. synchronous rotational speed controller as claimed in claim 1 is characterized in that, described oscillatory circuit comprises electric capacity and resistance and the phase inverter in parallel with resistance of mutual series connection.
4. synchronous rotational speed controller as claimed in claim 1 is characterized in that, described code translator is 4-16 line code translators.
5. synchronous rotational speed controller as claimed in claim 4 is characterized in that, described code translator model is 74LS154 or 74LS159.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220153924 CN202661892U (en) | 2012-04-13 | 2012-04-13 | Synchronous speed controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220153924 CN202661892U (en) | 2012-04-13 | 2012-04-13 | Synchronous speed controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202661892U true CN202661892U (en) | 2013-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220153924 Expired - Fee Related CN202661892U (en) | 2012-04-13 | 2012-04-13 | Synchronous speed controller |
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| Country | Link |
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| CN (1) | CN202661892U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102609012A (en) * | 2012-04-13 | 2012-07-25 | 柳州职业技术学院 | Synchronous speed controller |
| CN109460101A (en) * | 2018-11-07 | 2019-03-12 | 电子科技大学 | A kind of control circuit for DC-DC converter dynamic output voltage boundary |
-
2012
- 2012-04-13 CN CN 201220153924 patent/CN202661892U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102609012A (en) * | 2012-04-13 | 2012-07-25 | 柳州职业技术学院 | Synchronous speed controller |
| CN109460101A (en) * | 2018-11-07 | 2019-03-12 | 电子科技大学 | A kind of control circuit for DC-DC converter dynamic output voltage boundary |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20140413 |