CN106483442B - Combine the detection device and detection method of driven generator rectifier diode - Google Patents
Combine the detection device and detection method of driven generator rectifier diode Download PDFInfo
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- CN106483442B CN106483442B CN201610996739.1A CN201610996739A CN106483442B CN 106483442 B CN106483442 B CN 106483442B CN 201610996739 A CN201610996739 A CN 201610996739A CN 106483442 B CN106483442 B CN 106483442B
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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
- G01R31/26—Testing of individual semiconductor devices
- G01R31/2601—Apparatus or methods therefor
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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
- G01R31/34—Testing dynamo-electric machines
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- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
The embodiment of the invention discloses a kind of detection devices and detection method for combining driven generator rectifier diode, it include: inspection system, including dragging platform, console, speed probe, revolution counter and ammeter, combine driven generator connection dragging platform, dragging platform is separately connected speed probe and console, console connects revolution counter, and combination driven generator includes an excitation winding, and ammeter connects excitation winding both ends；Pilot system, including dragging platform, console, speed probe, revolution counter, oscillograph, slide rheostat, adjustable DC power supply, ammeter, first voltage table and second voltage table.The detection device and detection method structure of combination driven generator rectifier diode of the invention are simple, it can quickly determine the number of the rectifier diode to fail in combination driven generator, data are provided to maintenance to support, reduce the maintenance difficulty and the cost of overhaul of combination driven generator.
Description
Technical field
The present invention relates to the detection testing equipments and method of a kind of military aircraft combination driven generator, more particularly to one kind
Combine the detection device and detection method of driven generator rectifier diode.
Background technique
In the monitoring and maintenance of military aircraft combination Transmission Engine, exciting current does not reach requirement value.It is main former
Because be due to power rectifier diode fails caused by.There is presently no effective detection experimental methods, so each
It needs to judge whether rectifier diode fails by interpretation generator output data and by usually service experience when test, but this
Method can not accurately determine the quantity of power rectifier diode fails, and some hidden failures are difficult to accurately
Determine.Therefore the quantity of power rectifier diode fails can not be determined during subsequent repair, it can only take and all to replace
Method, which adds maintenance costs.And hidden failures can not be found out and will cause in combination driven generator in subsequent use
When power rectifier diode fails, so as to cause generator output voltage it is low or without output etc. failures, thus influence flight peace
Entirely.
Summary of the invention
The technical problem to be solved by the embodiment of the invention is that being tieed up for present military aircraft combination Transmission Engine
The case where being unable to judge accurately the quantity of power rectifier diode fails during repairing, proposes a kind of combination driven generator
The detection device and detection method of rectifier diode.
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of combination driven generator rectifier diodes
Detection device and detection method, the detection device of the combination driven generator rectifier diode include: inspection system, check system
Including dragging platform, console, speed probe, revolution counter and ammeter, combination driven generator connection dragging platform drags platform
It is separately connected speed probe and console, console connects revolution counter, and combination driven generator includes an excitation winding, electricity
Flow table connects excitation winding both ends；Pilot system, pilot system include dragging platform, console, speed probe, revolution counter, show
Wave device, slide rheostat, adjustable DC power supply, ammeter, first voltage table and second voltage table, combination driven generator connection
Drag platform, dragging platform is separately connected speed probe and console, and console connects revolution counter, excitation winding successively with electric current
Table, slide rheostat, adjustable DC power supply, the series connection of first voltage table, form a closed circuit, oscillograph and slide rheostat
Parallel connection, second voltage table are connected with driven generator output end is combined.
Wherein, the capacity of adjustable DC power supply is more than or equal to 20A, and voltage adjustable extent is 0~30V.
Wherein, slide rheostat adjustable range is 0~100 Ω.
Wherein, combination driven generator is three phase full wave rectification, is inside provided with 6 rectifier diodes.
The detection method of the combination driven generator rectifier diode, which is characterized in that use combinations of the above transmission hair
The detection device of motor rectifier diode, comprising the following steps: step 1 inspection will using the inspection system in claim 1
Driven generator zero load is combined, the revolving speed of console control combination driven generator is 4340~8680r/min, reads ammeter
Reading needs to detect rectifier diode if reading is more than or equal to 1A；Step 2 test, by the inspection in claim 1
Looking into system reconfiguration is pilot system, and adjusting slide rheostat is 50 Ω, and adjustable DC power supply is 10V, and second voltage meter reading is
40~50V, the image for reading oscillograph is sine wave that frequency is f Hz；Step 3 determines number of faults, according to formula n=
(6000-f)/1000, n is rounded after calculating according to the principle that rounds up to get the number for the rectifier diode for arriving failure；Step
4 replacements are checked and accepted, and after the rectifier diode for replacing failure, step 2 are repeated, if the image of oscilloscope display is that frequency is
The sine wave of 6000Hz, i.e., combination driven generator, which has overhauled, finishes.
The implementation of the embodiments of the present invention has the following beneficial effects: combination driven generator rectifier diode of the invention
Detection device and detection method structure are simple, can quickly determine the number of the rectifier diode to fail in combination driven generator
Mesh provides data to maintenance and supports, reduces the maintenance difficulty and the cost of overhaul of combination driven generator.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the circuit of the inspection system in the detection device of combination driven generator rectifier diode provided by the invention
Figure；
Fig. 2 is the circuit of the pilot system in the detection device of combination driven generator rectifier diode provided by the invention
Figure.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Figure 1 and Fig. 2, Fig. 1 are in the detection device of combination driven generator rectifier diode provided by the invention
Inspection system circuit diagram；Fig. 2 is the examination in the detection device of combination driven generator rectifier diode provided by the invention
The circuit diagram of check system.
The inspection system in the detection device of driven generator rectifier diode is combined to include: dragging platform 1, console 2, turn
Fast sensor 3, revolution counter 4 and ammeter 5.Combination driven generator 0 is three phase full wave rectification, is inside provided with 6 rectifications two
Pole pipe (not shown).Combining driven generator 0 includes an excitation winding (not shown), and ammeter 5 connects excitation winding both ends.
The connection dragging platform 1 of driven generator 0 is combined, dragging platform 1 is separately connected speed probe 3 and console 2, and the connection of console 2 turns
Fast table 4.
The pilot system in the detection device of driven generator rectifier diode is combined to include: dragging platform 1, console 2, turn
Fast sensor 3, revolution counter 4, ammeter 5, slide rheostat 6, adjustable DC power supply 7, first voltage table 8, oscillograph 9 and second
Voltmeter 10.The connection dragging platform 1 of driven generator 0 is combined, dragging platform 1 is separately connected speed probe 3 and console 2, controls
Platform 2 connects revolution counter 4.Excitation winding is successively gone here and there with ammeter 5, slide rheostat 6, adjustable DC power supply 7, the first ammeter 8
Connection, forms a closed circuit.Oscillograph 9 is in parallel with slide rheostat 6, second voltage table 10 with to combine driven generator 0 defeated
Outlet connection.Wherein, 6 adjustable range of slide rheostat is 0~100 Ω, and the capacity of adjustable DC power supply 7 is more than or equal to 20A, electricity
Pressure adjustable extent is 0~30V.
The detection method of combination driven generator rectifier diode includes: inspection, tests, determines number of faults and replacement
Check and accept four steps.
Step 1 checks, using the inspection system in the detection device of combination driven generator rectifier diode, combination is passed
Dynamic generator 0 is unloaded, and the revolving speed of 2 control combination driven generator 0 of console is 4340~8680r/min, reads ammeter and reads
Number needs to test rectifier diode if reading is more than or equal to 1A.
Step 2 test is pilot system by the inspection system reconfiguration of driven generator rectifier diode is combined, and adjusts cunning
Dynamic rheostat 6 is 50 Ω, and adjustable DC power supply 7 is 10V, and reading the reading of second voltage table 10 at this time is 40~50V, reads oscillography
The image of device 9 is the sine wave that frequency is f Hz.
Step 3 determines number of faults, according to the principle that rounds up after being calculated according to formula n=(6000-f)/1000, n
It is rounded to get the number for the rectifier diode for arriving failure.
Step 4 is checked and accepted, and after the rectifier diode for replacing failure, repeats step 2, if the image that oscillograph 9 is shown is
Frequency is the sine wave of 6000Hz, i.e., combination driven generator 0, which has overhauled, finishes.
By 9 display waveform of oscillograph, voltage value and frequency to the combination driven generator rectifier diode number of defects
Carry out the judgment method is as follows: it is provided by the invention combination driven generator 0 working speed be 12000r/min, do not accessing
Reference waveform frequency should be 1000Hz in the case of power rectifier diode.Combination driven generator 0 provided by the invention is three
Phase full-wave rectification, there is 6 power rectifier diodes, and the normal frequency of combination driven generator 0 provided by the invention is
6000Hz, often having a power rectifier diode fails, then frequency reduces 1000Hz.The parameter in calculation formula in step 3
6000 and 1000 derive from this, judge to have several power rectifier diode fails according to the amplitude that frequency reduces.
The present invention can be also used for the detection work of the rectifier diode of the generator of other model, it is only necessary to according to difference
Generator different number of magnetic pole pairs and working speed, f is recalculated according to above-mentioned calculation methodVolume, and according to generator
Parameter in the number amendment step 3 for the rectifier diode for inside including in calculation formula, can be used to the generator of other model
Maintenance, have high versatility.
The implementation of the embodiments of the present invention has the following beneficial effects: combination driven generator rectifier diode of the invention
Detection device and detection method structure are simple, can quickly determine the number of the rectifier diode to fail in combination driven generator
Mesh provides data to maintenance and supports, reduces the maintenance difficulty and the cost of overhaul of combination driven generator.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of detection method for the detection device for combining driven generator rectifier diode, which is characterized in that the combination passes
Detection method includes the following steps for the detection device of dynamic generator commutation diode:
Step 1 checks that, using the inspection system of detection device, combination driven generator is unloaded, and console controls the combination
The revolving speed of driven generator is 4340~8680r/min, reads electric current meter reading, if reading is more than or equal to 1A, is needed to whole
Stream diode is detected；
Step 2 test, is pilot system by the inspection system reconfiguration, and adjusting slide rheostat is 50 Ω, adjustable DC power supply
For 10V, second voltage meter reading is 40~50V, and the image for reading oscillograph is sine wave that frequency is f Hz, the sine wave
F reading is related to the number of the rectifier diode of failure；
Step 3 determines number of faults, is rounded after being calculated according to formula n=(6000-f)/1000, n according to the principle that rounds up,
Obtain the number of the rectifier diode of failure；
Step 4 replacement is checked and accepted, after the rectifier diode for replacing failure, repeating said steps 2, if oscilloscope display
Image is the sine wave that frequency is 6000Hz, i.e., the described combination driven generator, which has overhauled, to be finished.
2. the detection method of the detection device of combination driven generator rectifier diode according to claim 1, feature
It is, the detection device includes:
Inspection system, the inspection system include dragging platform, console, speed probe, revolution counter and ammeter, and described group
It closes driven generator and connects the dragging platform, the dragging platform is separately connected the speed probe and the console, described
Console connects the revolution counter, and the combination driven generator includes an excitation winding, encourages described in the ammeter connection
Magnetic winding both ends；
Pilot system, the pilot system include dragging platform, console, speed probe, revolution counter, oscillograph, sliding variable resistance
Device, adjustable DC power supply, ammeter, first voltage table and second voltage table, the combination driven generator connect the dragging
Platform, the dragging platform are separately connected the speed probe and the console, and the console connects the revolution counter, described
Excitation winding is successively connected with the ammeter, the slide rheostat, the adjustable DC power supply, the first voltage table,
A closed circuit is formed, the oscillograph is in parallel with the slide rheostat, and the second voltage table combines transmission with described
Generator output end connection.
3. the detection method of the detection device of combination driven generator rectifier diode according to claim 2, feature
It is, the capacity of adjustable DC power supply is more than or equal to 20A, and voltage adjustable extent is 0~30V.
4. the detection method of the detection device of combination driven generator rectifier diode according to claim 3, feature
It is, the slide rheostat adjustable range is 0~100 Ω.
5. the detection method of the detection device of combination driven generator rectifier diode according to claim 4, feature
It is, the combination driven generator is three phase full wave rectification, is inside provided with 6 rectifier diodes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610996739.1A CN106483442B (en) | 2016-11-11 | 2016-11-11 | Combine the detection device and detection method of driven generator rectifier diode |
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| CN201610996739.1A CN106483442B (en) | 2016-11-11 | 2016-11-11 | Combine the detection device and detection method of driven generator rectifier diode |
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| CN106483442B true CN106483442B (en) | 2019-05-14 |
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| CN109541425A (en) * | 2018-11-03 | 2019-03-29 | 陕西航空电气有限责任公司 | A kind of generator rotary diodes fault detection method |
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| KR101142946B1 (en) * | 2010-09-30 | 2012-05-10 | 한국전력공사 | Apparatus and method for testing reactive power performance of generator |
| CN103308857B (en) * | 2013-07-05 | 2016-02-17 | 株洲中航动科南方燃气轮机成套制造安装有限公司 | Generator rotating rectifier pick-up unit and detection method |
| CN203798923U (en) * | 2014-03-19 | 2014-08-27 | 中国民航大学 | Dual-function dual-redundancy monitoring circuit capable for monitoring faults of rotating rectifier and excitation circuit |
| CN104635081B (en) * | 2015-01-29 | 2017-08-08 | 西北工业大学 | A kind of adaptive failure diagnostic method of aircraft generator rectifier |
| US9431941B1 (en) * | 2015-02-12 | 2016-08-30 | General Electric Company | Method and apparatus for detecting alternator rectifier diode short fault |
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