CN107797020A - A kind of motor stator winding test system and method - Google Patents
A kind of motor stator winding test system and method Download PDFInfo
- Publication number
- CN107797020A CN107797020A CN201610769972.6A CN201610769972A CN107797020A CN 107797020 A CN107797020 A CN 107797020A CN 201610769972 A CN201610769972 A CN 201610769972A CN 107797020 A CN107797020 A CN 107797020A
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- Prior art keywords
- stator
- strong magnetic
- winding
- magnetic scanning
- tested
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/72—Testing of electric windings
Abstract
The invention discloses a kind of motor stator winding test system and method, including direct current generator, strong magnetic scanning rod, strong magnetic scanning signal circuit system, signal processing and analysis software systems;The output of the direct current generator is pivotally connected to strong magnetic scanning rod, and one strong magnetoelectricity bar is radially inlaid with strong magnetic scanning rod;Strong magnetic scanning rod passes through tested stator;The signal input part of strong magnetic scanning signal circuit system is connected to the winding terminal of tested stator, and the output end of strong magnetic scanning signal circuit system is connected to signal processing and analysis software systems.The motor stator winding test system and method test are accurate, repeatability is high, use the advantages that simple and reliable, speed is fast, discrimination is high, test result is shown with picture and text and curve form, with good man-machine interface, can preferably be applied to do full inspection use on streamline.
Description
Technical field
The present invention relates to automatic test fields of measurement, specifically a kind of motor stator winding test system and method.
Background technology
Motor is made up of rotor and stator two parts, and it is turn for realizing electric energy and mechanical energy, mechanical energy and electric energy
Changing device.Motor stator is the important component of motor, and stator is made up of stator core, stator winding and support three parts,
The main function of stator is to produce rotating excitation field, and the main function of rotor is by magnetic force line cutting and then production in rotating excitation field
Raw electric current.In motor stator production process, due to the worker's carelessness or equipment fault of streamline, cause motor stator whole
Anisotropy when in coil or coil sections the insertion silicon steel groove of winding, causes motor various defective products occur in producing.At present,
Generally all it is to be powered that this defective products could be found after complete machine is assembled into, causes very big economic loss.
The content of the invention
It is an object of the invention to provide a kind of motor stator winding test system and method, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the present invention provides following technical scheme:
A kind of motor stator winding test system and method, including direct current generator, strong magnetic scanning rod, strong magnetic scanning signal electricity
Road system, signal processing and analysis software systems;The output of the direct current generator is pivotally connected to strong magnetic scanning rod, on strong magnetic scanning rod
Radially it is inlaid with one strong magnetoelectricity bar;Strong magnetic scanning rod passes through tested stator;The signal of strong magnetic scanning signal circuit system is defeated
Enter the winding terminal that end is connected to tested stator, the output end of strong magnetic scanning signal circuit system is connected to signal processing and analysis
Software systems.
As the further scheme of the present invention:The strong magnetic scanning rod overlaps with the longitudinal center line of tested stator.
A kind of motor stator winding method of testing, is concretely comprised the following steps:
1) set by signal processing and analysis software systems whether open stator winding around to or embedded direction survey
Try function, stator winding number, strong magnetic scanning frequency, setting certified products and judge the test parameters such as scope;
2) a qualified tested stator is selected so that strong magnetic scanning rod is transmitted through the centre bore of tested stator, and ensures strong
The axis coinciding of magnetic scanning rod and the centre bore of tested stator;
3) master sample learning process is started by signal processing and analysis software systems, signal processing and analysis software systems will
Run according to the strong magnetic scanning frequency parameter control direct current generator of setting with constant rotating speed, while in direct current generator with constant
After rotating speed operation, know according to signal output part collection corresponding to the stator winding number from strong magnetic scanning signal circuit system of setting
Not, the scanning curve and corresponding difference in areas and each zero crossing phase information of each winding of qualified tested stator are recorded and,
For the same size stator of the tested stator qualified as this winding around to or embedded direction criterion sample;
4) selection and the stator of qualified tested stator same size, tested stator is placed according to the method for step 2);
5) measured piece test process is started by signal processing and analysis software systems;If the tested stator is qualified, root
Master sample curve is automatically updated according to being provided with.
As further scheme of the invention:The step 5) concretely comprises the following steps:Signal processing and analysis software systems
Run according to the strong magnetic scanning frequency parameter control direct current generator of setting with constant rotating speed, while in direct current generator with constant
After rotating speed operation, according to signal output part collection identification corresponding to the stator winding number from strong magnetic scanning signal circuit system of setting
And record each winding of qualified tested stator scanning curve and corresponding area and with each zero crossing phase information, then press
According to the com-parison and analysis of the complete pair signals of signal processing and analysis software systems, the test result for being tested stator is drawn.
As further scheme of the invention:The com-parison and analysis method of the signal processing and analysis software systems is:Letter
Number collection analysis software systems are by judge the zero crossing phase angle information of each winding scanning curve of tested stator
Go out tested stator winding around to;Again by by each winding scanning curve of each the winding scanning curve and standard component of tested stator
It is compared, difference calculating is carried out using difference in areas method, difference-product method or zero crossing phase difference method, then the certified products with setting are sentenced
Determine scope to be compared, judge whether the insertion direction of tested stator winding is correct.
Compared with prior art, the beneficial effects of the invention are as follows:
The motor stator winding test system and method test are accurate, repeatability is high, using it is simple and reliable, speed is fast, knows
The advantages that rate is not high, test result is shown with picture and text and curve form, has good man-machine interface, can preferably be applied to stream
Full inspection use is done on waterline.
Brief description of the drawings
Fig. 1 is the structural representation of motor stator winding test system and method.
Wherein:1- direct current generators;The strong magnetic scanning rods of 2-;3- is tested stator;The strong magnetic scanning signal circuit systems of 4-;5- signals
Collection analysis software systems.
Embodiment
The technical scheme of this patent is described in more detail with reference to embodiment.
Referring to Fig. 1, a kind of motor stator winding test system, including direct current generator 1, strong magnetic scanning rod 2, strong magnetic scanning
Signal circuit system 4, signal processing and analysis software systems 5;The output of the direct current generator 1 is pivotally connected to strong magnetic scanning rod 2, by force
One strong magnetoelectricity bar is radially inlaid with magnetic scanning rod 2;Strong magnetic scanning rod 2 passes through tested stator 3;Strong magnetic scanning signal circuit
The signal input part of system 4 is connected to the winding terminal of tested stator 3, so as to which get that strong magnetic scanning rod 2 scans determines
The induced signal of sub- winding coil, and the processing such as filtering is amplified to induced signal;Magnetic scanning signal circuit system 4 is defeated by force
Go out end and be connected to signal processing and analysis software systems 5, signal processing and analysis software systems 5 are gathered from strong magnetic scanning signal circuit system
Induced signal after the processing of system 4, and com-parison and analysis is carried out to signal.Preferably, the strong magnetic scanning rod 2 and tested stator 3
Longitudinal center line overlap.
A kind of motor stator winding method of testing, is concretely comprised the following steps:
1) set by signal processing and analysis software systems 5 whether open stator winding around to or embedded direction survey
Try function, stator winding number, strong magnetic scanning frequency, setting certified products and judge the test parameters such as scope;
2) a qualified tested stator 3 is selected so that strong magnetic scanning rod 2 is transmitted through the centre bore of tested stator 3, and ensures
The axis coinciding of strong magnetic scanning rod 2 and the centre bore of tested stator 3;
3) master sample learning process, signal processing and analysis software systems 5 are started by signal processing and analysis software systems 5
According to the strong magnetic scanning frequency parameter of setting direct current generator 1 will be controlled to be run with constant rotating speed, while in direct current generator 1 with perseverance
After fixed rotating speed operation, adopted according to signal output part corresponding to the stator winding number from strong magnetic scanning signal circuit system 4 of setting
Collection identification, and record the scanning curve and corresponding difference in areas and each zero crossing phase of each winding of qualified tested stator 3
Information, for the same size stator of the tested stator 3 qualified as this winding around to or embedded direction judgement mark
Quasi- sample;
4) selection and the stator of the qualified same size of tested stator 3, tested stator is placed according to the method for step 2)
3;
5) measured piece test process is started by signal processing and analysis software systems 5;If the tested stator 3 is qualified,
Master sample curve is automatically updated according to being provided with.
Preferably, the step 5) concretely comprises the following steps:Signal processing and analysis software systems 5 are swept according to the strong magnetic of setting
Retouch frequency parameter control direct current generator 1 to run with constant rotating speed, while after direct current generator 1 is with constant rotating speed operation, press
According to corresponding to the stator winding number from strong magnetic scanning signal circuit system 4 of setting signal output part collection identify and record it is qualified
Tested stator 3 each winding scanning curve and corresponding area and with each zero crossing phase information, according still further to signal acquisition
The com-parison and analysis of 5 complete pair signals of analyzing software system, draw the test result of the tested stator 3.
Preferably, the com-parison and analysis method of the signal processing and analysis software systems 5 is:Signal processing and analysis software system
System 5 draws the tested winding of stator 3 by the way that the zero crossing phase angle information of each winding scanning curve of tested stator 3 is carried out into judgement
Around to;Again by the way that each winding scanning curve of tested stator 3 is compared with each winding scanning curve of standard component, use
Difference in areas method, difference-product method or zero crossing phase difference method carry out difference calculating, then judge that scope is compared with the certified products of setting
Compared with whether the insertion direction of the tested winding of stator 3 of judgement is correct.
The motor stator winding test system and method test are accurate, repeatability is high, using it is simple and reliable, speed is fast, knows
The advantages that rate is not high, test result is shown with picture and text and curve form, has good man-machine interface, can preferably be applied to stream
Full inspection use is done on waterline.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, can also be on the premise of this patent objective not be departed from one skilled in the relevant art's possessed knowledge
Make a variety of changes.
Claims (5)
1. a kind of motor stator winding test system, it is characterised in that including direct current generator (1), strong magnetic scanning rod (2), Qiang Ci
Scanning signal circuit system (4), signal processing and analysis software systems (5);The output of the direct current generator (1) is pivotally connected to strong magnetic
Scan bar (2), one strong magnetoelectricity bar is radially inlaid with strong magnetic scanning rod (2);Strong magnetic scanning rod (2) passes through tested stator
(3);The signal input part of strong magnetic scanning signal circuit system (4) is connected to the winding terminal of tested stator (3), strong magnetic scanning
The output end of signal circuit system (4) is connected to signal processing and analysis software systems (5).
2. motor stator winding test system according to claim 1, it is characterised in that the strong magnetic scanning rod (2) with
The longitudinal center line of tested stator (3) overlaps.
3. a kind of motor stator winding method of testing, it is characterised in that concretely comprise the following steps:
1) set by signal processing and analysis software systems (5) whether open stator winding around to or embedded direction test
Function, stator winding number, strong magnetic scanning frequency, setting certified products judge the test parameters such as scope;
2) a qualified tested stator (3) is selected so that strong magnetic scanning rod (2) is transmitted through the centre bore of tested stator (3), and protects
Demonstrate,prove strong magnetic scanning rod (2) and the axis coinciding of the centre bore of tested stator (3);
3) master sample learning process, signal processing and analysis software systems (5) are started by signal processing and analysis software systems (5)
According to the strong magnetic scanning frequency parameter of setting direct current generator (1) will be controlled to be run with constant rotating speed, while in direct current generator (1)
It is defeated according to signal corresponding to the stator winding number from strong magnetic scanning signal circuit system (4) of setting after constant rotating speed operation
Go out end collection identification, and record the scanning curve and corresponding difference in areas and each mistake of each winding of qualified tested stator (3)
Zero point phase information, for the same size stator of the tested stator (3) qualified as this winding around to or insertion side
To criterion sample;
4) selection and the stator of qualified tested stator (3) same size, tested stator is placed according to the method for step 2)
(3);
5) measured piece test process is started by signal processing and analysis software systems (5);If the tested stator (3) is qualified,
Master sample curve is automatically updated according to being provided with.
4. motor stator winding method of testing according to claim 3, it is characterised in that the specific steps of the step 5)
For:Signal processing and analysis software systems (5) control direct current generator (1) to turn with constant according to the strong magnetic scanning frequency parameter of setting
Speed operation, while after direct current generator (1) is with constant rotating speed operation, according to the stator winding number of setting from strong magnetic scanning signal
Signal output part collection corresponding to circuit system (4) identifies and records the scanning song of each winding of qualified tested stator (3)
Line and corresponding area and with each zero crossing phase information, according still further to signal processing and analysis software systems (5) complete pair signals
Com-parison and analysis, draw the test result of the tested stator (3).
5. motor stator winding method of testing according to claim 3, it is characterised in that the signal processing and analysis software
The com-parison and analysis method of system (5) is:Signal processing and analysis software systems (5) are by the way that each winding of tested stator (3) is scanned
The zero crossing phase angle information of curve carry out judgement draw tested stator (3) winding around to;Again by by tested stator (3)
Each winding scanning curve is compared with each winding scanning curve of standard component, using difference in areas method, difference-product method or zero crossing phase
Potential difference method carries out difference calculating, compared with then judging scope with the certified products of setting, judges the embedding of tested stator (3) winding
Whether correct enter direction.
Priority Applications (1)
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CN201610769972.6A CN107797020A (en) | 2016-08-30 | 2016-08-30 | A kind of motor stator winding test system and method |
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CN201610769972.6A CN107797020A (en) | 2016-08-30 | 2016-08-30 | A kind of motor stator winding test system and method |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109188270A (en) * | 2018-08-02 | 2019-01-11 | 沈阳工程学院 | A kind of main driving magneto performance test feedback system of electric airplane |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US20130234722A1 (en) * | 2009-07-09 | 2013-09-12 | General Electric Company | High sensitivity differential current transformer for insulation health monitoring |
CN103529385A (en) * | 2012-07-04 | 2014-01-22 | 赐福科技股份有限公司 | Motor winding detection device |
CN105305896A (en) * | 2015-11-25 | 2016-02-03 | 南京快轮智能科技有限公司 | System and method for online identifying rotor position of brushless DC motor |
CN205027850U (en) * | 2015-10-15 | 2016-02-10 | 青岛艾诺智能仪器有限公司 | Anti - detection device that inlays of motor stator winding |
-
2016
- 2016-08-30 CN CN201610769972.6A patent/CN107797020A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130234722A1 (en) * | 2009-07-09 | 2013-09-12 | General Electric Company | High sensitivity differential current transformer for insulation health monitoring |
CN103529385A (en) * | 2012-07-04 | 2014-01-22 | 赐福科技股份有限公司 | Motor winding detection device |
CN205027850U (en) * | 2015-10-15 | 2016-02-10 | 青岛艾诺智能仪器有限公司 | Anti - detection device that inlays of motor stator winding |
CN105305896A (en) * | 2015-11-25 | 2016-02-03 | 南京快轮智能科技有限公司 | System and method for online identifying rotor position of brushless DC motor |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109188270A (en) * | 2018-08-02 | 2019-01-11 | 沈阳工程学院 | A kind of main driving magneto performance test feedback system of electric airplane |
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Application publication date: 20180313 |