CN201758379U - Power outage position memory device of servo drive controller - Google Patents
Power outage position memory device of servo drive controller Download PDFInfo
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- CN201758379U CN201758379U CN2010202838538U CN201020283853U CN201758379U CN 201758379 U CN201758379 U CN 201758379U CN 2010202838538 U CN2010202838538 U CN 2010202838538U CN 201020283853 U CN201020283853 U CN 201020283853U CN 201758379 U CN201758379 U CN 201758379U
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Abstract
The utility model discloses a power outage position memory device of a servo drive controller. A voltage detection module of the power outage position memory device detects voltage of a three-phase power source and outputs power outage signals to the servo drive controller and a capacitive power module, an input end and an output end of the capacitive power module are respectively connected with the three-phase power source and the servo drive controller, a ferroelectric storage module is bidirectionally connected with a data end of the servo drive controller, a mechanical contracting brake and an incremental photoelectric encoder are arranged on a motor revolving shaft, a signal input end of the mechanical contracting brake is connected with a signal output end of the servo drive controller, and a signal output end of the incremental photoelectric encoder is connected with a signal input end of the servo drive controller. The power outage position memory device brings convenience for realizing memory of power outage positions of the servo drive controller, improves positioning accuracy and system reliability, reduces system cost and is convenient for machining of large-sized mechanical parts.
Description
Technical field
The utility model relates to a kind of servo-drive controller de-energized and preserves memory storage.
Background technology
Along with of the application of big machinery process equipment, make the processing of large-sized mechanical components not finish in a short time, and operating personnel can not continuous operation in field of machining.Be worked into the just constantly generation of situation meeting of outage of a half so work as large-sized mechanical components, this just requires the absolute position of memory system constantly, to guarantee that system can continue to process uncompleted component of machine after re-powering.
In the present Positioning Servo System, want the absolute position of memory system constantly, generally adopt absolute optical encoder, with the assurance system can accurately memory system after outage powers on again the position.Absolute optical encoder is by reading the absolute location information that binary-coded information on the coding disk obtains system.But the code channel change in pattern number of the binary system code-disc of absolute optical encoder is indeterminate, and output level changes frequent, in use can produce more error.Simultaneously general absolute optical encoder price is higher, generally needs six or seven hundred yuan, also needs special communications protocol and communication decoding chip and plug-in power supply when system cut-off absolute optical encoder to be powered.This not only causes system cost obviously to rise, and for dissimilar absolute optical encoders, also needs to work out special communications protocol software, realizes having caused very big inconvenience for system.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of servo-drive controller de-energized and preserves memory storage, the convenient servo-drive controller de-energized that realizes of this device is preserved memory, positioning accuracy and system reliability have been improved, reduce system cost, made things convenient for the processing of large-sized mechanical components.
For solving the problems of the technologies described above, the utility model servo-drive controller de-energized is preserved memory storage and is comprised the three phase mains module, servo-drive controller and AC permanent magnet synchronous motor, described three phase mains module provides described servo-drive controller power source, the described AC permanent magnet synchronous motor of described servo-drive controller controlling and driving, also comprise voltage detection module, the condenser type power module, ferroelectric memory module, mechanical hatching gate device and incremental optical-electricity encoder, the input of described voltage detection module connects described three phase mains module, output connects the signal input part of described servo-drive controller and condenser type power module respectively, the power input of described condenser type power module connects described three phase mains module, power output end connects the power input of described servo-drive controller, described ferroelectric memory module is connected with the data terminal of servo-drive controller is two-way, described mechanical hatching gate device and incremental optical-electricity encoder are located at described AC permanent magnet synchronous motor rotating shaft respectively, the signal input part of described mechanical hatching gate device connects the signal output part of described servo-drive controller, and the signal output part of described incremental optical-electricity encoder connects the signal input part of described servo-drive controller.
Because the utility model servo-drive controller de-energized is preserved memory storage and has been adopted technique scheme, be that voltage detection module detects three-phase mains voltage and exports power-off signal to servo-drive controller and condenser type power module, condenser type power module input/output terminal connects three phase mains and servo-drive controller respectively, ferroelectric memory module and two-way connection of servo-drive controller data end, mechanical hatching gate device and incremental optical-electricity encoder are located at machine shaft, mechanical hatching gate device signal input part connects servo-drive controller signals output, and the incremental optical-electricity encoder signal output part connects servo-drive controller signals input.The convenient servo-drive controller de-energized that realizes of this device is preserved memory, has improved positioning accuracy and system reliability, has reduced system cost, has made things convenient for the processing of large-sized mechanical components.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and embodiments:
Fig. 1 is the block diagram that the utility model servo-drive controller de-energized is preserved memory storage.
Embodiment
As shown in Figure 1, the utility model servo-drive controller de-energized is preserved memory storage and is comprised three phase mains module 4, servo-drive controller 1 and AC permanent magnet synchronous motor 2, described three phase mains module 4 provides described servo-drive controller 1 power supply, the described AC permanent magnet synchronous motor 2 of described servo-drive controller 1 controlling and driving, also comprise voltage detection module 5, condenser type power module 6, ferroelectric memory module 7, mechanical hatching gate device 8 and incremental optical-electricity encoder 9, the input of described voltage detection module 5 connects described three phase mains module 4, output connects the signal input part of described servo-drive controller 1 and condenser type power module 6 respectively, the power input of described condenser type power module 6 connects described three phase mains module 4, power output end connects the power input of described servo-drive controller 1, described ferroelectric memory module 7 is connected with the data terminal of servo-drive controller 1 is two-way, described mechanical hatching gate device 8 and incremental optical-electricity encoder 9 are located at the rotating shaft 3 of described AC permanent magnet synchronous motor 2 respectively, the signal input part of described mechanical hatching gate device 8 connects the signal output part of described servo-drive controller 1, and the signal output part of described incremental optical-electricity encoder 9 connects the signal input part of described servo-drive controller 1.
In this device, voltage detection module detects three-phase mains voltage constantly, and after detecting three-phase mains voltage and being lower than position outage and preserving memory voltage, the launching position outage is preserved memory signal and given servo-drive controller and condenser type power module respectively.
The condenser type power module connects the charging of three phase mains module, and after receiving that memory signal is preserved in the position outage, to the power supply of servo-drive controller, to guarantee after cutting off external power source, servo-driver can also operate as normal, and the work of memory is preserved in the completing place outage.
Ferroelectric memory module is used for the saved system positional information, FeRAM memory chip is the nonvolatile memory that adopts advanced ferroelectric technology to make, it can be as the RAM fast reading and writing, preserve 32 alliance data and only need 1us, data can be preserved after power down 10 years, faster, more reliable than other data storage read or write speeds, also more convenient use.The servo-drive controller is after re-powering, and just the alliance information of reading and saving from ferroelectric memory module easily makes whole digital control system can continue the processing of component of machine.
The mechanical hatching gate device is a kind of mechanical braking band-type brake equipment by signal of telecommunication control, after the servo-drive controller is received position outage preservation memory signal, motor is stopped fast, and confirm that motor stops the closure signal of back output mechanical braking band-type brake device, machine shaft is pinned by mechanical braking band-type brake device, so just guarantee that the mechanical location of machine shaft no longer is offset after system's dead electricity.The servo-drive controller is after re-powering, and the servo-drive controller is sent the release signal of mechanical braking band-type brake device again, makes whole system can continue to run well.
Incremental optical-electricity encoder is the important sensor of whole system position probing, the operation principle of incremental optical-electricity encoder is to be rotated by machine shaft driven rotary axle, rotating shaft drives radially the key light grid code-disc rotation of even narrow slit, mirror in parallel is arranged to dish above the key light grid code-disc, mirror has the narrow slit of two 90 ° of phase places that stagger each other on dish, and has photodiode to receive key light grid code-disc through the signal that comes respectively; Mirror is motionless to dish during work, key light grid code-disc rotates with rotating shaft, light source differs from the 90 near sinusoidal signals of spending to the dish back by the photodiode receiving phase by key light grid code-disc and mirror through lens normal sheaf key light grid code-disc, forms turn signal and counting pulse signal by logical circuit again; In order to obtain the angle, absolute position, incremental optical-electricity encoder has zero pulse, be that key light grid code-disc whenever rotates a circle, export a zero pulse, make the position angle zero clearing, utilize incremental optical-electricity encoder can detect the position and the speed of motor in real time, and with the message transmission that detects to the servo-drive controller, the servo-drive controller is being received position outage preservation memory signal, and behind the output motor band-type brake signal, the positional information of motor is stored in FeRAM memory chip, realizes the preservation memory of system cut-off rear motor position.This device makes the processing of large-sized mechanical components to finish by stages, has improved the flexibility of machining, does not influence the processing of parts simultaneously under the situation of accident outage.
Claims (1)
1. a servo-drive controller de-energized is preserved memory storage, comprise the three phase mains module, servo-drive controller and AC permanent magnet synchronous motor, described three phase mains module provides described servo-drive controller power source, the described AC permanent magnet synchronous motor of described servo-drive controller controlling and driving, it is characterized in that: also comprise voltage detection module, the condenser type power module, ferroelectric memory module, mechanical hatching gate device and incremental optical-electricity encoder, the input of described voltage detection module connects described three phase mains module, output connects the signal input part of described servo-drive controller and condenser type power module respectively, the power input of described condenser type power module connects described three phase mains module, power output end connects the power input of described servo-drive controller, described ferroelectric memory module is connected with the data terminal of servo-drive controller is two-way, described mechanical hatching gate device and incremental optical-electricity encoder are located at described AC permanent magnet synchronous motor rotating shaft respectively, the signal input part of described mechanical hatching gate device connects the signal output part of described servo-drive controller, and the signal output part of described incremental optical-electricity encoder connects the signal input part of described servo-drive controller.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202838538U CN201758379U (en) | 2010-08-06 | 2010-08-06 | Power outage position memory device of servo drive controller |
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| CN2010202838538U CN201758379U (en) | 2010-08-06 | 2010-08-06 | Power outage position memory device of servo drive controller |
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| CN201758379U true CN201758379U (en) | 2011-03-09 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105821A (en) * | 2012-12-31 | 2013-05-15 | 深圳市配天数控科技有限公司 | Machine tool processing coordinate power down saving system and method |
| CN103995487A (en) * | 2014-05-22 | 2014-08-20 | 上海交通大学 | Module-integrated multifunctional execution device with power-down self-recovery function |
| CN104639013A (en) * | 2015-03-16 | 2015-05-20 | 珠海格力电器股份有限公司 | Motion control apparatus, motion controller, and motion control method |
| CN105007018A (en) * | 2015-07-20 | 2015-10-28 | 深圳市合信自动化技术有限公司 | Servo driving system and power-off position control method thereof |
| CN105182238A (en) * | 2015-10-09 | 2015-12-23 | 天津市英贝特航天科技有限公司 | Stepping motor stalling detection device and detection method |
| CN112824059A (en) * | 2019-11-15 | 2021-05-21 | 合肥欣奕华智能机器有限公司 | Data conversion method, device and equipment for encoder |
| CN113517840A (en) * | 2021-08-11 | 2021-10-19 | 梁仁和 | Method for determining power-off position of encoder on motor and motor control system |
| CN114061627A (en) * | 2021-11-01 | 2022-02-18 | 之江实验室 | Electronic multi-turn absolute value encoder system, device and working method |
| CN115061415A (en) * | 2022-08-18 | 2022-09-16 | 赫比(成都)精密塑胶制品有限公司 | Automatic process monitoring method and device and computer readable storage medium |
-
2010
- 2010-08-06 CN CN2010202838538U patent/CN201758379U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105821A (en) * | 2012-12-31 | 2013-05-15 | 深圳市配天数控科技有限公司 | Machine tool processing coordinate power down saving system and method |
| CN103995487B (en) * | 2014-05-22 | 2016-08-17 | 上海交通大学 | There is the modular integrated multi-functional execution device of power down self-recovering function |
| CN103995487A (en) * | 2014-05-22 | 2014-08-20 | 上海交通大学 | Module-integrated multifunctional execution device with power-down self-recovery function |
| CN104639013A (en) * | 2015-03-16 | 2015-05-20 | 珠海格力电器股份有限公司 | Motion control apparatus, motion controller, and motion control method |
| CN105007018B (en) * | 2015-07-20 | 2018-07-03 | 深圳市合信自动化技术有限公司 | A kind of servo drive system and its de-energized control method |
| CN105007018A (en) * | 2015-07-20 | 2015-10-28 | 深圳市合信自动化技术有限公司 | Servo driving system and power-off position control method thereof |
| CN105182238A (en) * | 2015-10-09 | 2015-12-23 | 天津市英贝特航天科技有限公司 | Stepping motor stalling detection device and detection method |
| CN112824059A (en) * | 2019-11-15 | 2021-05-21 | 合肥欣奕华智能机器有限公司 | Data conversion method, device and equipment for encoder |
| CN113517840A (en) * | 2021-08-11 | 2021-10-19 | 梁仁和 | Method for determining power-off position of encoder on motor and motor control system |
| CN113517840B (en) * | 2021-08-11 | 2022-04-08 | 梁仁和 | Method for determining power-off position of encoder on motor and motor control system |
| CN114061627A (en) * | 2021-11-01 | 2022-02-18 | 之江实验室 | Electronic multi-turn absolute value encoder system, device and working method |
| CN115061415A (en) * | 2022-08-18 | 2022-09-16 | 赫比(成都)精密塑胶制品有限公司 | Automatic process monitoring method and device and computer readable storage medium |
| CN115061415B (en) * | 2022-08-18 | 2023-01-24 | 赫比(成都)精密塑胶制品有限公司 | Automatic process monitoring method and device and computer readable storage medium |
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Granted publication date: 20110309 Termination date: 20190806 |
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