CN2431678Y - Driving signal controller for stepping motor - Google Patents
Driving signal controller for stepping motor Download PDFInfo
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- CN2431678Y CN2431678Y CN 00212145 CN00212145U CN2431678Y CN 2431678 Y CN2431678 Y CN 2431678Y CN 00212145 CN00212145 CN 00212145 CN 00212145 U CN00212145 U CN 00212145U CN 2431678 Y CN2431678 Y CN 2431678Y
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Abstract
The utility model relates to a driving signal controller for a stepping motor. The photoelectrical isolated switches of a step control unit, a direction control unit and a freed control unit are respectively connected with the digit output channel of a computer multifunctional data collector, and the output terminals are connected with a switching unit. The voltage control terminal of a voltage frequency transmission unit is connected with the computer, and the output terminal is connected with the switching unit. The feet 4, 5 of the three switching units are all connected with the digit output channel of a computer multifunctional data collector after the feet 4, 5 are connected together. The foot 11 is connected with a step-by-step motor driver, and the feet 10 of the switching units 1, 2 are respectively connected with the digit output channel of a computer multifunctional data collector. The foot 10 of the switching unit 3 is connected with the voltage frequency transmission unit. The implement can ensure the high speed during continuous rotation.
Description
The utility model relates to vacuum coating technology, specifically a kind of step motor drive signal control device.
In the prior art, providing the power occasion with stepping motor, stepper motor driver needs external drive control signal, does not have the computer interface circuit, and rotating speed is slow requiring accurately to locate under the occasion, requires do not satisfying requirement on high-speed rotating continuously.
In order to overcome above-mentioned deficiency, the purpose of this utility model provides a kind of computer interface of being furnished with, and can guarantee high-speed step motor drive signal control device when rotating continuously.
To achieve these goals, the technical solution of the utility model is: be furnished with computer interface, form by step number control unit, direction control unit, free control unit and electric voltage frequency converting unit and three switch units, wherein:
Described step number control unit is made up of the 3rd photoelectric switch, the nine～ten resistance, input of described the 3rd photoelectric switch is through the 9th grounding through resistance, another input is connected with computer multi-functional data acquisition unit the 5th digital output channel, output is on the one hand to the 3rd switch unit 1 pin, on the other hand through the tenth grounding through resistance;
Described direction control unit is made up of second photoelectric switch, the five～six resistance, input of described second photoelectric switch is through the 5th grounding through resistance, another input is connected with computer multi-functional data acquisition unit the 3rd digital output channel, output is on the one hand to second switch unit, 1 pin, on the other hand through the 6th grounding through resistance;
Described free control unit is made up of first photoelectric switch, the first～two resistance, input of described first photoelectric switch is through first grounding through resistance, another input is connected with the computer multi-functional data acquisition unit first digital output channel, output is on the one hand to first switch unit, 1 pin, on the other hand through second grounding through resistance;
Described electric voltage frequency converting unit and computer multi-functional data acquisition unit dac channel) and the 7th digital output channel link to each other output to the three switch units 10 pin;
1 pin in described three switch units is connected to the 3rd, two, one photoelectric switch input respectively, 4,5 pin link to each other the back all with computer multi-functional data acquisition unit the 6th digital output channel), in the time of extremely stepper motor driver of 11 pin respectively through the 4th, eight, 12 resistance to power supply, first and second switch unit 10 pin connect computer multi-functional data acquisition unit second, four digital output channels respectively, while, respectively to power supply, the 3rd switch unit (UC) 10 pin were to the electric voltage frequency converting unit through the 3rd, seven resistance;
Described switch unit is made up of four NAND gate and two resistance respectively, its structure is identical, wherein first switch unit connects to close and is: first NAND gate, 1 pin to the first photoelectric switch, 12 pin of 3 pin to the, four NAND gate link to each other, two inputs 4 of second NAND gate, 5 pin connect the back and link to each other with another input 2 pin of first NAND gate, input 9 pin of the 3rd NAND gate are from output 6 pin of second NAND gate, another input 10 pin are on the one hand from computer multi-functional data acquisition unit numeral output channel, on the other hand through the 3rd resistance from power supply, another input 13 pin of output 8 pin to the four NAND gate of the 3rd NAND gate, output 11 pin of the 4th NAND gate are to stepper motor driver, simultaneously through the 4th resistance to power supply; Described electric voltage frequency converting unit is by a voltage controlled oscillator, first～the 3rd electric capacity), the 13,14 resistance form, described voltage controlled oscillator 9 pin signals connect the computer dac channel through the 13 resistance and second electric capacity, and 9 pin and the 13 resistance nodes are through the 3rd capacity earth, 5 pin are from multifunctional data acquiring device the 7th digital output channel, 4 pin connect the 3rd switch unit 10 pin, 6, cross-over connection first electric capacity between 7 pin, 11 pin are through the 14 grounding through resistance.
The utlity model has following advantage:
1. has the continuous rotating function of speed governing, the positioning accuracy height.The utility model is furnished with computer interface, has one-step control, two kinds of working methods of continuous control, both can guarantee positioning accuracy, can realize that again speed governing rotates continuously.
2. reliable.Switch unit of the present utility model adopts CMOS four NAND gate integrated circuits, and power consumption is little, and signal switches reliable, and input signal adopts photoelectricity to isolate in addition, and antijamming capability is strong.
3. has soft start function.Electric voltage frequency converting unit of the present utility model is by computer digital-to-analogue conversion DA control, adds electric capacity, resistance and constitutes soft start/stop, required soft start/hold function when providing stepping motor to run up.
Description of drawings:
Fig. 1 is the utility model circuit theory diagrams.
Below in conjunction with accompanying drawing the utility model is described in further detail.
As shown in Figure 1, be furnished with computer interface, form by step number control unit PC, direction control unit M, free control unit Re and electric voltage frequency converting unit VF and three switch unit UA, UB, UC, wherein:
Described step number control unit PC is made up of the 3rd photoelectric switch U3, the nine～ten resistance R 9～R10, input of described the 3rd photoelectric switch U3 is through the 9th resistance R 9 ground connection, another input is connected with computer multi-functional data acquisition unit the 5th digital output channel D05, output is on the one hand to the 3rd switch unit UC1 pin, on the other hand through the tenth resistance R 10 ground connection; Described the 3rd photoelectric switch U3 is connected to multifunctional data acquiring device the 5th digital output channel D05 end and is the step number control end, and a pulse of every input (low level is effective) motor turns over (a half) step angle;
Described direction control unit M is made up of the second photoelectric switch U2, the five～six resistance R 5～R6, input of the described second photoelectric switch U2 is through the 5th resistance R 5 ground connection, another input is connected with computer multi-functional data acquisition unit the 3rd digital output channel D03, output is on the one hand to the second switch unit UB1 pin, on the other hand through the 6th resistance R 6 ground connection; Described direction control unit M is the direction control end of stepping motor, drives with Transistor-Transistor Logic level, and even high level is a forward drive, and low level is a reverse drive;
Described free control unit Re is made up of the first photoelectric switch U1, the first～two resistance R, 1～R2, input of the described first photoelectric switch U1 is through first resistance R, 1 ground connection, another input is connected with the computer multi-functional data acquisition unit first digital output channel D01, output is on the one hand to the first switch unit UA1 pin, on the other hand through second resistance R, 2 ground connection;
Described electric voltage frequency converting unit VF links to each other with computer multi-functional data acquisition unit dac channel DA and the 7th digital output channel D07, output to the three switch unit UC10 pin;
Described three switch unit UA, UB, 1 pin among the UC is connected to the 3rd respectively, two, one photoelectric switch U1, U2, the U3 output, 4,5 pin link to each other the back all with computer multi-functional data acquisition unit the 6th digital output channel D06, in the time of extremely stepper motor driver of 11 pin respectively through the 4th, eight, 12 resistance R 4, R8, R12 is to power supply, first, two switch unit (UA, UB) 10 pin connect computer multi-functional data acquisition unit second respectively, four digital output channel D02, D04, simultaneously through the 3rd, seven resistance R 3, R7 is respectively to power supply, and the 3rd switch unit UC10 pin is to electric voltage frequency converting unit VF;
Described switch unit UA, UB, UC is made up of four NAND gate and two resistance respectively, its structure is identical, wherein the first switch unit UA annexation is: 1 pin of the first NAND gate UA1 is connected to the first photoelectric switch U1,12 pin of 3 pin to the, four NAND gate UA4 link to each other, two inputs 4 of the second NAND gate UA2,5 pin connect the back and link to each other with another input 2 pin of the first NAND gate UA1, input 9 pin of the 3rd NAND gate UA3 are from output 6 pin of the second NAND gate UA2, another input 10 pin are on the one hand from computer multi-functional data acquisition unit numeral output channel, on the other hand through the 3rd resistance R 3 from power supply, another input 13 pin of output 8 pin to the four NAND gate UA4 of the 3rd NAND gate UA3, output 11 pin of the 4th NAND gate UA4 are to stepper motor driver, simultaneously through the 4th resistance R 4 to power supply.
Described electric voltage frequency converting unit VF is made up of a voltage controlled oscillator U4, first～the 3rd capacitor C 1～C3, the 13,14 resistance R 13, R14, the 9 pin signals of described voltage controlled oscillator U4 meet computer dac channel DA through the 13 resistance R 13 and second capacitor C 2, and 9 pin and the 13 resistance R 13 nodes are through the 3rd capacitor C 3 ground connection, 5 pin are from multifunctional data acquiring device the 7th digital output channel D07,4 pin connect the 3rd switch unit UC10 pin, 6, between 7 pin cross-over connection first capacitor C 1,11 pin through the 14 resistance R 14 ground connection; Wherein second and third capacitor C 2, C3, the 13 resistance R 13 constitute voltage controlled oscillator U4 input soft start/stop structure.
The novel operation principle of this usefulness is:
The utility model provides the required step number control signal of drive stepping motor, direction signal and free state signal, controls its operating state by computer by the multifunctional data acquiring device.Have two kinds of working methods of pulse and continuous impulse: the pulse working method is used for pinpoint operation, as resets, replaces, finely tunes operation; And continuous impulse is used for regularly rotating operation.Two kinds of working methods are utilized the switching of four NAND gate realization signal among three groups of switch unit UA, UB, the UC, it is effective that computer utilizes the 6th digital channel D06 output height electricity of multifunctional data acquiring device to decide where to organize signal, when being output as high level, work under the single pulse mode, this moment, first and third, five digital channel D01, D03, D05 signal were effective, corresponding to resetting, replace, finely tune operation; When the 6th digital channel D06 is low level, the second, four, seven digital channel D02, D04, D07 and dac channel DA signal are effective, this computer-chronograph is by dac channel DA output aanalogvoltage, again by voltage to frequency converter VF output continuous impulse; When the 7th digital channel D07 is low-voltage, voltage controlled oscillator U4 work; When the 7th digital channel D07 is high voltage, voltage controlled oscillator U4 failure of oscillation, no pulse output, the voltage of dac channel DA output is 0～5V, the frequency of decision output pulse, i.e. control step rotating speed of motor.This working method is used for regularly rotating operation; First capacitor C 1 and the 14 resistance R 14 decision output pulse peak frequencies, second and third capacitor C 2, C3 and the 14 resistance R 14 constitute the soft start of voltage controlled oscillator U4 input, improve the stability of output pulse frequency simultaneously, promptly improve antijamming capability.Photoelectric switch U1～U3 has also strengthened the antijamming capability of input signal.
Four NAND gate described in the utility model adopt 74H,C00 four NAND gate, and described voltage controlled oscillator U4 adopts the CD4046 model, the numeral output that described the first～seven digital channel D01～D07 is PCL812PG, and dac channel DA is the D/A output of PCL812PG.
Claims (3)
1. step motor drive signal control device, it is characterized in that: be furnished with computer interface, form by step number control unit (PC), direction control unit (M), free control unit (Re) and electric voltage frequency converting unit (VF) and three switch units (UA, UB, UC), wherein:
Described step number control unit (PC) is by the 3rd photoelectric switch (U3), the nine～ten resistance (R9～R10) form, input of described the 3rd photoelectric switch (U3) is through the 9th resistance (R9) ground connection, another input is connected with computer multi-functional data acquisition unit the 5th digital output channel (D05), output is on the one hand to the 3rd switch unit (UC) 1 pin, on the other hand through the tenth resistance (R10) ground connection;
Described direction control unit (M) is by second photoelectric switch (U2), the five～six resistance (R5～R6) form, input of described second photoelectric switch (U2) is through the 5th resistance (R5) ground connection, another input is connected with computer multi-functional data acquisition unit the 3rd digital output channel (D03), output is on the one hand to second switch unit (UB), 1 pin, on the other hand through the 6th resistance (R6) ground connection;
Described free control unit (Re) is by first photoelectric switch (U1), the first～two resistance (R1～R2) form, input of described first photoelectric switch (U1) is through first resistance (R1) ground connection, another input is connected with the computer multi-functional data acquisition unit first digital output channel (D01), output is on the one hand to first switch unit (UA), 1 pin, on the other hand through second resistance (R2) ground connection;
Described electric voltage frequency converting unit (VF) links to each other with computer multi-functional data acquisition unit dac channel (DA) and the 7th digital output channel (D07), output to the three switch units (UC) 10 pin;
Described three switch unit (UA, UB, UC) 1 pin in is connected to the 3rd respectively, two, one photoelectric switch (U1, U2, U3) input, 4,5 pin link to each other the back all with computer multi-functional data acquisition unit the 6th digital output channel (D06), in the time of extremely stepper motor driver of 11 pin respectively through the 4th, eight, 12 resistance (R4, R8,12) to power supply, first, two switch unit (UA, UB) 10 pin connect computer multi-functional data acquisition unit second respectively, four digital output channel (D02, D04), simultaneously through the 3rd, seven resistance (R3, R7) respectively to power supply, the 3rd switch unit (UC) 10 pin are to electric voltage frequency converting unit (VF).
2. according to the described step motor drive signal control device of claim 1, it is characterized in that: described switch unit (UA, UB, UC) form by four NAND gate and two resistance respectively, its structure is identical, wherein first switch unit (UA) annexation is: first NAND gate (UA1), 1 pin to the first photoelectric switch (U1), 12 pin of 3 pin to the, four NAND gate (UA4) link to each other, two inputs 4 of second NAND gate (UA2), 5 pin connect the back and link to each other with another input 2 pin of first NAND gate (UA1), input 9 pin of the 3rd NAND gate (UA3) are from output 6 pin of second NAND gate (UA2), another input 10 pin are on the one hand from computer multi-functional data acquisition unit numeral output channel, on the other hand through the 3rd resistance (R3) from power supply, another input 13 pin of output 8 pin to the, four NAND gate (UA4) of the 3rd NAND gate (UA3), output 11 pin of the 4th NAND gate (UA4) are to stepper motor driver, simultaneously through the 4th resistance (R4) to power supply.
3. according to the described step motor drive signal control device of claim 3, it is characterized in that: described electric voltage frequency converting unit (VF) is by a voltage controlled oscillator (U4), first～the 3rd electric capacity (C1～C3), the 13,14 resistance (R13, R14) form, described voltage controlled oscillator (U4) 9 pin signals connect computer dac channel (DA) through the 13 resistance (R13) and second electric capacity (C2), and 9 pin and the 13 resistance (R13) node are through the 3rd electric capacity (C3) ground connection, 5 pin are from multifunctional data acquiring device the 7th digital output channel (D07), 4 pin connect the 3rd switch unit (UC) 10 pin, they are 6 years old, cross-over connection first electric capacity (C1) between 7 pin, 11 pin are through the 14 resistance (R14) ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00212145 CN2431678Y (en) | 2000-06-07 | 2000-06-07 | Driving signal controller for stepping motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00212145 CN2431678Y (en) | 2000-06-07 | 2000-06-07 | Driving signal controller for stepping motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2431678Y true CN2431678Y (en) | 2001-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00212145 Expired - Fee Related CN2431678Y (en) | 2000-06-07 | 2000-06-07 | Driving signal controller for stepping motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2431678Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103457537A (en) * | 2012-06-01 | 2013-12-18 | 上海航天设备制造总厂 | Motor control circuit, motor controller and motor controlling method |
| CN103970037A (en) * | 2013-02-04 | 2014-08-06 | 上海航天设备制造总厂 | Motor controller implementing interlocking and triggering control through NAND gate |
-
2000
- 2000-06-07 CN CN 00212145 patent/CN2431678Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103457537A (en) * | 2012-06-01 | 2013-12-18 | 上海航天设备制造总厂 | Motor control circuit, motor controller and motor controlling method |
| CN103457537B (en) * | 2012-06-01 | 2017-06-09 | 上海航天设备制造总厂 | The method of circuit for controlling motor, electric machine controller and controlled motor |
| CN103970037A (en) * | 2013-02-04 | 2014-08-06 | 上海航天设备制造总厂 | Motor controller implementing interlocking and triggering control through NAND gate |
| CN103970037B (en) * | 2013-02-04 | 2017-12-19 | 上海航天设备制造总厂 | A kind of electric machine controller that interlocking and triggering control are realized with NAND gate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |