CN205693601U - Servo-driver inverter circuit detector - Google Patents
Servo-driver inverter circuit detector Download PDFInfo
- Publication number
- CN205693601U CN205693601U CN201620539906.5U CN201620539906U CN205693601U CN 205693601 U CN205693601 U CN 205693601U CN 201620539906 U CN201620539906 U CN 201620539906U CN 205693601 U CN205693601 U CN 205693601U
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- China
- Prior art keywords
- detector
- inverter
- module
- driver
- servo
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Abstract
This utility model relates to a kind of servo-driver inverter circuit detector, this detector includes: be adapted to provide for the inverter detection module of V/F control model, this inverter detection module is suitable to produce corresponding PWM time sequential pulse, and accesses inverter driving circuit to obtain corresponding detection waveform；Servo-driver inverter circuit detector of the present utility model need not supporting synchronous motor and encoder, with common converter form, V/F pattern open loop operation, can drive ordinary ac asynchronous motor；And basic, normal, high frequency can be set test, detect and debugging driver with+24V light current and forceful electric power two step；This detector is greatly increased servo-driver Single Maintenance rate；Detector carries human-computer interaction interface and driving pulse program, does not use former machine panel, it is not necessary to change servo-driver panel parameter.
Description
Technical field
This utility model relates to a kind of servo-driver inverter circuit detector and method of work thereof.
Background technology
The widely used converter of modern enterprise, AC servo driver, supersonic generator, uninterrupted power source and photovoltaic are inverse
The DC becoming the PWM control technology such as device turns AC inverter drive, two level control model accountings more than 95%, three-level control principle pattern
Expensive because it uses the inversion module of many a times, market share is relatively low.
Driver is to reach good output torque curve, drive pattern many employings vector type closed loop control, by electric current loop,
Position ring, speed ring vector controlled, programme-control parameter is various, supporting corresponding encoder and need to consider corresponding asynchronous or with
Walk the parameter-embedded of motor.This pattern determines motor, driver and encoder and must support the use.
Inverter is the core power element that various driver DC turns AC, and it is expensive, and switching frequency is high, operating temperature rise
Greatly, the main element being easily damaged for driver, the form of expression is aircraft bombing.
After drive corruption, because parameter complexity debugging difficulty and interchangeability are bad, basic employing maintenance form, but keeped in repair
Cheng Zhong, special testing instrument is less, and the general circuit tester of basic employing detects with oscillograph.Driver test-run a machine need to be with supporting electricity
Machine and encoder are used in combination, and use enterprise big because of dismounting difficulty, it is difficult to meet this requirement.Therefore, maintenance once success
Rate is the highest, sometimes needs repeatedly to carry out conjecture formula maintenance according to scene online test-run a machine alarm condition, brings the most not to maintenance work
Just.
Utility model content
The purpose of this utility model is to provide a kind of detector, solves inverter circuit and damages, and the technology of inconvenience maintenance is asked
Topic.
In order to solve above-mentioned technical problem, this utility model provides a kind of detector, including: it is adapted to provide for V/F control
The inverter detection module of pattern, this inverter detection module is suitable to produce corresponding PWM time sequential pulse, and accesses Driven by inverter
Circuit is to obtain corresponding detection waveform.
Further, described inverter detection module includes: be adapted to provide for the processor module of V/F control model, this process
Device pattern is suitable to produce corresponding described PWM time sequential pulse according to V/F control model, and is sent extremely by signal reshaping module
Inverter driving circuit；And described processor module is also associated with the display mould for reacting PWM time sequential pulse frequency range
Block.
Further, described processor module is also associated with man-machine interaction panel, and is processed by man-machine interaction panel control
The PWM time sequential pulse of device module three frequencies of output, i.e. 5HZ, 10HZ and 20HZ.
Further, described inverter driving circuit be suitable to drive by six IGBT being suitable to constitute upper and lower bridge form inverse
Become module, and this inverter driving circuit includes: be adapted to six optocoupler driver elements of each PWM time series pulse signals；?
When using described detector to keep in repair, each optocoupler driver element is departed from respectively at corresponding IGBT, to detect the driving of each optocoupler
The output waveform of unit, is described detection waveform.
The beneficial effects of the utility model are, servo-driver inverter circuit detector of the present utility model need not supporting
Synchronous motor and encoder, with common converter form, V/F pattern open loop operation, can drive ordinary ac asynchronous motor；And
And basic, normal, high frequency can be set test, detect and debugging driver with+24V light current and forceful electric power two step；This detector is big
Big increase servo-driver Single Maintenance rate；Detector carries human-computer interaction interface and driving pulse program, does not use former machine control
Making sheet, it is not necessary to change servo-driver panel parameter.
Accompanying drawing explanation
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the schematic diagram of inversion module of the present utility model；
Fig. 2 is the schematic diagram of inverter driving circuit of the present utility model；
Fig. 3 is the schematic diagram of inverter detection module of the present utility model.
Detailed description of the invention
Presently in connection with accompanying drawing, this utility model is described in further detail.These accompanying drawings are the schematic diagram of simplification,
Basic structure of the present utility model is described the most in a schematic way, and therefore it only shows the composition relevant with this utility model.
Embodiment 1
Detector of the present utility model is applicable to the detection of the inverter circuit to AC servo driver, for converter, friendship
The DC that stream servo-driver, supersonic generator, uninterrupted power source and photovoltaic DC-to-AC converter etc. use PWM to control technology turns AC two electricity
Flat inverter drive maintenance blanket detecting instrument, and can be additionally used in loadtype ac three-phase asynchronous motor, three
Synchronised servomotor and general sine wave AC load.
As it is shown in figure 1, a kind of detector of the present utility model, including: it is adapted to provide for the inverter detection of V/F control model
Module, this inverter detection module is suitable to produce corresponding PWM time sequential pulse, and accesses inverter driving circuit to obtain corresponding inspection
Survey waveform.
Concrete, described inverter detection module includes: be adapted to provide for the processor module of V/F control model, this process
Device pattern is suitable to produce corresponding described PWM time sequential pulse according to V/F control model, and is sent extremely by signal reshaping module
Inverter driving circuit；And described processor module is also associated with the display mould for reacting PWM time sequential pulse frequency range
Block.Described signal reshaping module uses 74ACT244, and described display module is such as but not limited to using charactron.
Optionally, described processor module is also associated with man-machine interaction panel, and is processed by man-machine interaction panel control
The PWM time sequential pulse of device module three frequencies of output, i.e. 5HZ, 10HZ and 20HZ.Man-machine interaction panel is such as but not limited to employing
Touch screen, or control panel.
Described inverter driving circuit is suitable to drive and is suitable to constitute the inversion module that the IGBT of upper and lower bridge forms by six,
And this inverter driving circuit includes: be adapted to six optocoupler driver elements of each PWM time series pulse signals；Described using
When detector keeps in repair, each optocoupler driver element is departed from respectively at corresponding IGBT, to detect the defeated of each optocoupler driver element
Going out waveform, be described detection waveform, the outfan of each optocoupler driver element is respectively G1, E1, G2, E2, G3, E3, G4, E4,
G5, E5, G6, E6.
The J1-J6 end output from Fig. 3 respectively of each PWM time sequential pulse, to connect the input of each optocoupler driver element respectively,
J1-J6 the most as shown in Figure 2.
And after judging that the detection of above-mentioned detection waveform is normal, install back inversion module, by light current and the difference of forceful electric power
Detection, by oscillograph to obtain U, V, W waveform of inversion module.
During detection, with processor module for inverter detection module control unit, and turn AC inversion driving V/F speed with DC
Control model, sets up the upper and lower bridge six phase driving pulse sequential chart coordinating inversion module, and programs by this, when there is six road PWM
Serial vein rushes and after signal reshaping module shaping, drives inversion module and inverter driving circuit thereof, the corresponding output of detection
Waveform, the output waveform of the most each optocoupler driver element and U, V, W waveform of inverter module.
And after waveform is normal, then run with the V/F common asynchronous ac motor of control model band with detector, i.e. realize
Asynchronous machine carries out open loop test-run a machine with V/F speed.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, related work people
Member can carry out various change and amendment completely in the range of without departing from this utility model technological thought.This reality
The content being not limited in description by novel technical scope, it is necessary to determine its technology according to right
Property scope.
Claims (4)
1. a detector, it is characterised in that including: be adapted to provide for the inverter detection module of V/F control model, this inverter
Detection module is suitable to produce corresponding PWM time sequential pulse, and accesses inverter driving circuit to obtain corresponding detection waveform.
Detector the most according to claim 1, it is characterised in that described inverter detection module includes: be adapted to provide for V/F
The processor module of control model, this processor mode is suitable to produce corresponding described PWM time sequential pulse according to V/F control model,
And sent to inverter driving circuit by signal reshaping module；And
Described processor module is also associated with the display module for reacting PWM time sequential pulse frequency range.
Detector the most according to claim 2, it is characterised in that described processor module is also associated with man-machine interaction face
Plate, and by man-machine interaction panel control processor module output three frequencies PWM time sequential pulse, i.e. 5HZ, 10HZ and
20HZ。
Detector the most according to claim 3, it is characterised in that described inverter driving circuit is suitable to drive is fitted by six
In the inversion module of the IGBT composition constituting upper and lower bridge, and this inverter driving circuit includes: be adapted to serial vein during each PWM
Rush six optocoupler driver elements of signal；
When using described detector to keep in repair, each optocoupler driver element is departed from respectively at corresponding IGBT, to detect each light
The output waveform of coupling driver element, is described detection waveform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620539906.5U CN205693601U (en) | 2016-06-03 | 2016-06-03 | Servo-driver inverter circuit detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620539906.5U CN205693601U (en) | 2016-06-03 | 2016-06-03 | Servo-driver inverter circuit detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205693601U true CN205693601U (en) | 2016-11-16 |
Family
ID=57259990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620539906.5U Expired - Fee Related CN205693601U (en) | 2016-06-03 | 2016-06-03 | Servo-driver inverter circuit detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205693601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846754A (en) * | 2016-06-03 | 2016-08-10 | 常州机电职业技术学院 | Detector and maintenance method for inverter circuit of servo driver |
-
2016
- 2016-06-03 CN CN201620539906.5U patent/CN205693601U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846754A (en) * | 2016-06-03 | 2016-08-10 | 常州机电职业技术学院 | Detector and maintenance method for inverter circuit of servo driver |
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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: 20161116 Termination date: 20200603 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |