CN202563285U - Medium-power servo driver - Google Patents
Medium-power servo driver Download PDFInfo
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- CN202563285U CN202563285U CN2012201671601U CN201220167160U CN202563285U CN 202563285 U CN202563285 U CN 202563285U CN 2012201671601 U CN2012201671601 U CN 2012201671601U CN 201220167160 U CN201220167160 U CN 201220167160U CN 202563285 U CN202563285 U CN 202563285U
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Abstract
The utility model belongs to the technical field of automatic control, which relates to a servo driver and particularly relates to a medium-power servo driver, and solves technical problems of an existing servo driver such as poor control precision, narrow speed regulating range, low power factor and the like. The medium-power servo driver comprises a computing control module, a switch power supply module and a communication module, wherein the computing control module is used for completing signal processing and transmitting, the switch power supply module is connected with the computing control module and capable of providing power supply signals for a driving system, and the communication module can exchange information data with external equipment. The computing control module is further connected with an intelligent power module which can integrate a power switching element and a driving circuit into a whole. The medium-power servo driver provided by the utility model has the advantages of reasonable design, simple structure, low cost, high control precision, wide speed regulating range, high power factor and the like.
Description
Technical field
The utility model belongs to the automatic control technology field, relates to servo-driver, especially relates to a kind of middle power servo-driver.
Background technology
Servo-driver is a kind of controller that is used for controlling servomotor, and its effect is similar to frequency converter and acts on common alternating current motor, belongs to the part of servo-drive system, is mainly used in the high-precision location system.At present in field of industrial automatic control; In the power section is that 5.5KW-15KW adopts variable frequency drives; Use variable frequency drives to drive asynchronous machine work, frequency-variable controller not only complex structure, volume is bigger than normal, cost is higher, and because the characteristic of asynchronous machine itself; It uses has on asynchronous machine that control accuracy is low, speed adjustable range is narrow and defective such as power factor (PF) is low, becomes the major obstacles of present restriction industry automatic control equipment high efficiency, energy-conservation development.
In order to solve the problem that prior art exists, people have carried out long-term exploration, have proposed solution miscellaneous.For example; The Chinese patent document discloses a kind of AC induction motor servo-driver [application number: 200920190484.5]; Mainly be made up of control panel and drive plate two parts, described control panel includes the complex programmable logic device CPLD that can receive coherent signal and have the level conversion function; One accepts behind external command signal and the photoelectric encoder feedback position signal and can carry out computing, output a control signal to the high speed digital signal processor DSP of interface circuit again them through interface circuit; Described control signal interface is used to receive the command signal from last seat in the plane or external input/output point; Described motor code-disc feedback interface is used to receive the position signalling of the photoelectric encoder feedback of servomotor.
Such scheme has improved prior art to a certain extent, can realize the high-performance servocontrol of asynchronous machine, and is better compatible.Yet this scheme not only complex structure, cost is higher, and has still that control accuracy is poor, speed adjustable range is narrow and defective such as power factor (PF) is low.
Summary of the invention
The purpose of the utility model is to the problems referred to above, provides a kind of reasonable in design, simple in structure, with low cost, and control accuracy is high, and speed adjustable range is wide, the middle power servo-driver that power factor (PF) is high.
For achieving the above object; The utility model has adopted following technical proposal: power servo-driver in this; Comprise and be used to accomplish signal Processing and become the s operation control module of sending; On the s operation control module, be connected with the switch power module that can power supply signal be provided for drive system with can with the communication module of outer equipment exchange information data, also be connected with the SPM that can device for power switching and driving circuit be become one on the described s operation control module.
In above-mentioned middle power servo-driver, also be connected with input/output signal change-over circuit, current foldback circuit, display circuit and feedback signal processing circuit on the described s operation control module.
In above-mentioned middle power servo-driver; Described s operation control module comprises the peripheral circuit unit that can receive coherent signal and realize the level match conversion, described peripheral circuit unit with can the digital signal processor that the signal of reception is handled and exported be connected.
In above-mentioned middle power servo-driver, described peripheral circuit unit comprises current signal treatment circuit, level shifting circuit, signal isolation circuit, display button driving circuit, circuit-breaking memory circuit, reset circuit and the clock circuit that is connected with digital signal processor.
In above-mentioned middle power servo-driver, be connected with signal buffer unit on the described signal isolation circuit, described signal buffer unit is connected with digital signal processor.
As a kind of technical scheme of comparatively optimizing, in above-mentioned middle power servo-driver, described digital signal processor is the TMS320LF2407APGEA chip.
In above-mentioned middle power servo-driver, described SPM comprises modular circuit, current rectifying and wave filtering circuit and signal deteching circuit.
In above-mentioned middle power servo-driver, described signal deteching circuit comprises phase current testing circuit and bus current testing circuit.
In above-mentioned middle power servo-driver, be connected with Drive Protecting Circuit on the described bus circuit testing circuit and this Drive Protecting Circuit is connected with modular circuit, also be connected with optical coupling isolation circuit on the described Drive Protecting Circuit.
In above-mentioned middle power servo-driver, between current rectifying and wave filtering circuit and modular circuit, be connected with soft starting circuit, be connected with brake control circuit on the described soft starting circuit.
Compared with prior art, advantage of power servo-driver is in this: reasonable in design, simple in structure, with low cost, control accuracy is high, and speed adjustable range is wide, and power factor (PF) is higher.
Description of drawings
Fig. 1 is the structured flowchart that the utility model provides.
Fig. 2 is the structured flowchart of the s operation control module that provides of the utility model.
Fig. 3 is the structured flowchart of the SPM that provides of the utility model.
Among the figure, s operation control module 1, peripheral circuit unit 11, current signal treatment circuit 111, level shifting circuit 112, signal isolation circuit 113, signal buffer unit 114, display button driving circuit 115, circuit-breaking memory circuit 116, reset circuit 117, clock circuit 118, digital signal processor 12, switch power module 2, communication module 3, SPM 4, modular circuit 41, current rectifying and wave filtering circuit 42, soft starting circuit 421, brake control circuit 422, signal deteching circuit 43, phase current testing circuit 431, bus current testing circuit 432, Drive Protecting Circuit 44, optical coupling isolation circuit 45, input/output signal change-over circuit 5, current foldback circuit 6, display circuit 7, feedback signal processing circuit 8.
Embodiment
Shown in Fig. 1-3; Power servo-driver in this; Comprise and be used to accomplish signal Processing and become the s operation control module of sending 1; On s operation control module 1, be connected with the switch power module 2 that can power supply signal be provided for drive system with can with the communication module 3 of outer equipment exchange information data, also be connected with SPM 4, input/output signal change-over circuit 5, current foldback circuit 6, display circuit 7 and the feedback signal processing circuit 8 that can device for power switching and driving circuit be become one on the s operation control module 1.
S operation control module 1 comprises the peripheral circuit unit 11 that can receive coherent signal and realize the level match conversion; Peripheral circuit unit 11 with can the digital signal processor 12 that the signal that receive is handled and exported be connected; Peripheral circuit unit 11 comprises current signal treatment circuit 111, level shifting circuit 112, signal isolation circuit 113, display button driving circuit 115, circuit-breaking memory circuit 116, reset circuit 117 and the clock circuit 118 that is connected with digital signal processor; Be connected with signal buffer unit 114 on the signal isolation circuit 113, signal buffer unit 114 is connected with digital signal processor 12.As a kind of technical scheme of comparatively optimizing, the digital signal processor 12 in the present embodiment is the TMS320LF2407APGEA chip, and the digital signal processor 12 here can be taked the version of multiple various kinds according to the needs of processing signals.
SPM 4 comprises modular circuit 41, current rectifying and wave filtering circuit 42 and signal deteching circuit 43; Signal deteching circuit 43 comprises phase current testing circuit 431 and bus current testing circuit 432; Being connected with Drive Protecting Circuit 44 and this Drive Protecting Circuit 44 on the bus circuit testing circuit 432 is connected with modular circuit 41; Also be connected with optical coupling isolation circuit 45 on the Drive Protecting Circuit 44; Between current rectifying and wave filtering circuit 42 and modular circuit 41, be connected with soft starting circuit 421, be connected with brake control circuit 422 on the soft starting circuit 421.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as s operation control module 1, peripheral circuit unit 11, current signal treatment circuit 111, level shifting circuit 112, signal isolation circuit 113, signal buffer unit 114, display button driving circuit 115, circuit-breaking memory circuit 116, reset circuit 117, clock circuit 118, digital signal processor 12, switch power module 2, communication module 3, SPM 4, modular circuit 41, current rectifying and wave filtering circuit 42, soft starting circuit 421, brake control circuit 422, signal deteching circuit 43, phase current testing circuit 431, bus current testing circuit 432, Drive Protecting Circuit 44, optical coupling isolation circuit 45, input/output signal change-over circuit 5, current foldback circuit 6, display circuit 7, feedback signal processing circuit 8 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain the essence of the utility model more easily, and it all is contrary with the utility model spirit being construed to any additional restriction to them.
Claims (10)
1. power servo-driver in a kind; Comprise and be used to accomplish signal Processing and become the s operation control module of sending (1); On s operation control module (1), be connected with can for drive system provide power supply signal switch power module (2) and can with the communication module (3) of outer equipment exchange information data; It is characterized in that, also be connected with the SPM (4) that can device for power switching and driving circuit be become one on the described s operation control module (1).
2. power servo-driver in according to claim 1; It is characterized in that, also be connected with input/output signal change-over circuit (5), current foldback circuit (6), display circuit (7) and feedback signal processing circuit (8) on the described s operation control module (1).
3. power servo-driver in according to claim 1 and 2; It is characterized in that; Described s operation control module (1) comprises the peripheral circuit unit (11) that can receive coherent signal and realize the level match conversion, described peripheral circuit unit (11) with can the digital signal processor (12) that the signal of reception is handled and exported be connected.
4. power servo-driver in according to claim 3; It is characterized in that described peripheral circuit unit (11) comprises current signal treatment circuit (111), level shifting circuit (112), signal isolation circuit (113), display button driving circuit (115), circuit-breaking memory circuit (116), reset circuit (117) and the clock circuit (118) that is connected with digital signal processor.
5. power servo-driver in according to claim 4 is characterized in that be connected with signal buffer unit (114) on the described signal isolation circuit (113), described signal buffer unit (114) is connected with digital signal processor (12).
6. power servo-driver in according to claim 3 is characterized in that described digital signal processor (12) is the TMS320LF2407APGEA chip.
7. power servo-driver in according to claim 1 and 2 is characterized in that described SPM (4) comprises modular circuit (41), current rectifying and wave filtering circuit (42) and signal deteching circuit (43).
8. power servo-driver in according to claim 7 is characterized in that described signal deteching circuit (43) comprises phase current testing circuit (431) and bus current testing circuit (432).
9. power servo-driver in according to claim 8; It is characterized in that; Be connected with Drive Protecting Circuit (44) and this Drive Protecting Circuit (44) on the described bus circuit testing circuit (432) and be connected, also be connected with optical coupling isolation circuit (45) on the described Drive Protecting Circuit (44) with modular circuit (41).
10. power servo-driver in according to claim 7; It is characterized in that; Between current rectifying and wave filtering circuit (42) and modular circuit (41), be connected with soft starting circuit (421), be connected with brake control circuit (422) on the described soft starting circuit (421).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201671601U CN202563285U (en) | 2012-04-19 | 2012-04-19 | Medium-power servo driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201671601U CN202563285U (en) | 2012-04-19 | 2012-04-19 | Medium-power servo driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202563285U true CN202563285U (en) | 2012-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201671601U Expired - Fee Related CN202563285U (en) | 2012-04-19 | 2012-04-19 | Medium-power servo driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202563285U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111312135A (en) * | 2018-12-12 | 2020-06-19 | 奇景光电股份有限公司 | Source driver and operating method thereof |
-
2012
- 2012-04-19 CN CN2012201671601U patent/CN202563285U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111312135A (en) * | 2018-12-12 | 2020-06-19 | 奇景光电股份有限公司 | Source driver and operating method thereof |
| CN111312135B (en) * | 2018-12-12 | 2024-01-19 | 奇景光电股份有限公司 | Source driver and operation method thereof |
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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: 20121128 Termination date: 20150419 |
|
| EXPY | Termination of patent right or utility model |