CN101082649B - Method for testing three phases power supply of flying vehicle and tool set - Google Patents
Method for testing three phases power supply of flying vehicle and tool set Download PDFInfo
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- CN101082649B CN101082649B CN2006100830900A CN200610083090A CN101082649B CN 101082649 B CN101082649 B CN 101082649B CN 2006100830900 A CN2006100830900 A CN 2006100830900A CN 200610083090 A CN200610083090 A CN 200610083090A CN 101082649 B CN101082649 B CN 101082649B
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Abstract
The invention discloses a testing method of power line and data line on the aircraft, wherein the power line and signal line are to connect 3-way AC motor and power system of aircraft; the 3-way AC motor has separated input terminal; the preset voltage with preset phase difference is exerted on the separated input terminal when the 3-way AC motor on the aircraft lies in the working period. The testing method comprises the following steps: connecting power line and signal line and input terminal (24) of test equipment (1) to replace 3-way AC motor; supplying voltage on the power line and signal line; judging whether the voltage of power line and signal line and phase different of voltage equals preset voltage and preset phase difference; testing the voltage through test equipment (1); proceeding phase test with voltage test synchronously. The invention also contains a test equipment (1) and kit tool of multiple adapters (5).
Description
Technical field
The present invention relates to be used for the method and the tool set of power lead and signal wire on the machine of testing flying vehicle.Said power lead typically is used for 3 phase AC motors of aircraft are connected with power-supply system with signal wire.
Background technology
Contemporary aircraft is held a plurality of 3 phase AC motors on machine; It is used to provide power and gives facility on the various machines of aircraft, as is arranged in the fan or the ventilation blower of air handling system in other zone of different piece or the aircraft of main cabin, driving cabin, toilet, cargo hold.Ventilation blower provides power by 3 phase AC motors usually.In 3 phase AC motors, accommodate thermal breaker, in case it guarantees that for example motor windings is overheated, 3 phase AC motors just automatically turn-off.
Importantly, these 3 phase motors correctly work, rotate with correct direction, with and safety feature correctly work like institute with protection with design.Therefore, after final assembly process and repairing or modification, should carry out test to check the correct connection and the work of 3 phase equipment at aircraft.
One of these tests comprise that the suitable operation to all motors comes electronic control circuit on the machine of testing flying vehicle.In the process of these tests, check the assembly and the steering logic at the 3 phase AC motor upper reaches.For this reason, before carrying out test, break off 3 phase AC motors.
The purpose of these tests is to guarantee that all terminals (it is connected to 3 phase AC motors so that power is provided to for example ventilation blower) all exist and correct voltage is applied to terminal.Secondly, check the phase differential of voltage between three terminals.In other words, should check phase place on each terminal whether like defined, for example phase differential equals 120 °.In addition, what must check is, in case the starting thermal breaker, whether corresponding alarm signal sends to that for example to be positioned at aircraft cockpit be visible indicator for the pilot thus also.One of alarm signal warning pilot 3 phase AC motors are overheated and therefore automatically shut down then.
So far, safeguard or the personnel of product test and inspection must come manual each terminal of inspection to correct voltage and correct phase differential.Starting that must manual emulation thermal breaker is so that whether the starting of test thermal breaker causes the alarm signal (for example " motor overheating " or " electrical fault ") of correspondence is outputed to aircraft cockpit.Therefore, these tests and inspection need many manpowers with many different testing tools and be that cost is intensive.
Therefore, an object of the present invention is to provide the method and the tool set of power lead and signal wire on the machine that is used for testing flying vehicle, it has made things convenient for the ground test of aircraft considerably.Particularly, the invention provides be used for to correct voltage and correct phase differential test go to from being installed in 3 on the aircraft machine power lead of AC motor and the method and the tool set of signal wire mutually.
Summary of the invention
This solves with the method for other purpose by power lead and signal wire on a kind of machine that is used for testing flying vehicle; Wherein under power lead and the signal wire normal condition 3 phase AC motors of aircraft are connected with power-supply system; And wherein 3 phase AC motors have the input terminal of separation; During 3 phase AC machine operation on the machine of aircraft, the predetermined voltage of predetermined phase difference will be applied on the input terminal of said separation.Comprise the following steps: according to the method for the invention with power lead and signal wire with replace 3 mutually the input terminal of the testing apparatus of AC motor be connected; Voltage is applied on power lead and the signal wire; Whether the voltage about being applied to power lead and signal wire equals predetermined voltage, carries out voltage tester through testing apparatus; And it is poor whether to equal predetermined phase about the phase differential of the voltage that is applied to power lead and signal wire, side by side carries out phase test through testing apparatus and voltage tester.
Utilize according to the method for the invention, can go up the ground test that effective and efficient manner is carried out aircraft with the time, and particularly relevant with the correct phase difference with the correct voltage of the input terminal that is applied to 3 phase AC motors test.Therefore, no longer need be by safeguarding or manual voltage and the phase differential thereof of checking the input terminal that is applied to 3 phase AC motors of producers.The assembly and the steering logic at the 3 phase AC motor upper reaches are examined.The testing apparatus that will be used for according to the method for the invention can be carried out voltage and phase test simultaneously, and the obvious less time of consumption is accomplished the ground test of aircraft thus.
Preferably, comprise lead-out terminal and the 3 input terminal connections of AC motor mutually according to the method for the invention, thereby the voltage and the phase differential thereof of the input terminal that is applied to 3 phase AC motors are kept watch on by testing apparatus testing apparatus.
According to a preferred embodiment of the invention, automatically carry out the lead-out terminal of testing apparatus and the 3 input terminal step of connecting of AC motor mutually.Therefore, at first check the assembly and the steering logic at the 3 phase AC motor upper reaches, and if they correctly work, then 3 phase motors are automatically connected, are connected and operated.
In a preferred embodiment; This method comprises following step: be used for protecting 3 phase AC motors to avoid overheated, as to be contained in the thermal breaker of 3 phase AC motors starting through testing apparatus emulation, conclude that thus corresponding alarm signal sends to the indicator of indication 3 phase AC electrical faults along signal wire.Except voltage tester and phase test, the starting that the testing apparatus of using in the method according to the invention can the emulation thermal breaker.For the duration of work at aircraft prevent 3 phase AC motors overheated, and make the risk that on the aircraft machine, causes fire minimum thus, these thermal breakers are important.Through using according to the method for the invention, when 3 phase input terminals of 3 phase AC motors are carried out other ground test, can easily check the suitable operation of the monitoring circuit that is used for thermal breaker.
Another preferred embodiment has according to the method for the invention utilized different adapters, and it is used for the terminal of the difference configuration of signal wire is connected with the input terminal of testing apparatus.Be connected to the power lead of the difference 3 phase AC motors in the different piece on the aircraft machine and the terminal of signal wire is disposed differently.Therefore, poor for the correct voltage and the correct phase of the connection plan of testing each upper reaches in these different 3 phase AC motors and the input terminal that is applied to these 3 phases AC motor, possibly must use different testing apparatuss with terminals that difference disposes.This is avoided through using with the different adapters that testing apparatus is only used together.These quite generous these tests have also been saved the time that is used to carry out test.
Can be used for checking steering logic or electronics infrastructure on the machine of aircraft at the different 3 phase AC motor upper reaches according to the method for the invention; Said 3 phase AC motors are such as the 3 phase AC motors, air re-circulation motor and the petrolift motor that in air handling system, use, or any other 3 phase consumer.
In another aspect, the present invention is a characteristic with a kind of tool set, and it comprises testing apparatus and is used for a plurality of adapters that the terminal with the configuration of the difference of signal wire on the machine of aircraft is connected with the input terminal of testing apparatus.According to present invention resides in voltage that testing apparatus in the tool set comprises the input terminal that is used to confirm to be applied to testing apparatus whether corresponding to the device of predetermined voltage; Be used for the voltage of the input terminal of confirming to be applied to testing apparatus whether mutually side by side corresponding to predetermined voltage; Whether the phase differential of voltage of confirming to be applied to the input terminal of testing apparatus equals the device of predetermined phase difference, and is used for and 3 lead-out terminals that connect of the input terminal of AC motor mutually.
Preferably, be configured to confirm that according to the testing apparatus that present invention resides in the tool set said predetermined voltage equals 115V, and testing apparatus is configured to also confirm that said predetermined phase difference is 120 °.Therefore, maintenance or producers only need be according to tool sets of the present invention, so that carry out being installed in all maintenance tests on the difference 3 phase AC motors on the aircraft machine.Therefore, make things convenient for ground test considerably, shortened the time that is used to carry out maintenance test basically, and reduced the amount of required testing apparatus.
According to following detailed description to the preferred embodiment of the present invention, thus with reference to accompanying drawing, it is obvious that other features and advantages of the present invention will become.
Description of drawings
Fig. 1 is with the skeleton view that is used for testing apparatus according to the method for the invention,
Fig. 2 is the wiring diagram of the testing apparatus shown in Fig. 1.
Embodiment
To be used for according to the method for the invention testing apparatus 1 shown in Fig. 1.Testing apparatus 1 is particularly suitable for checking correct voltage and correct phase differential to be applied to and is installed in the input terminal of AC motor mutually of 3 on the aircraft machine.In addition, testing apparatus 1 can emulation typically be contained in the starting of the thermal breaker in the 3 phase AC motors, and this thermal breaker is used to prevent that motor windings is overheated, makes the risk that on the aircraft machine, causes fire minimum thus.
Testing apparatus 1 illustrates with skeleton view in Fig. 1.The front panel of testing apparatus 1 comprises three LEDL1, L2, L3.If correct voltage is applied to input terminal 24 (see figure 2)s of the rear side of testing apparatus 1, then these three LED L1, L2, L3 activate.If identical voltage is applied to the input terminal that is installed in 3 phase AC motors on the aircraft machine; And 3 phase AC motors will not show any fault or maloperation; That is, if voltage will equal 115V, the voltage that then is applied to the input terminal 24 of testing apparatus 1 is correct.In addition, poor if phase differential equals predetermined phase, as 120 °, then mark the LED 60 of " OK " will activate, the phase differential of the voltage that indication is applied is correct.If it is poor that phase differential is not equal to predetermined phase, but correct voltage is applied to the input terminal of testing apparatus 1, then mark the LED 70 of " NOT OK " will activate.
In addition, Test Switchboard 90 is provided on the front panel of testing apparatus 1, and it is used for the starting that emulation is contained in the thermal breaker of 3 phase AC motors in the method according to the invention.Because the aircraft fault, power supply is not switched under the situation of motor automatically, and terminal " D " and " E " are used for fault diagnosis.
Lead-out terminal 25 is provided at the rear side (see figure 2) of testing apparatus 1, its can with 3 mutually the input terminal of AC motor connect.Yet if desired, lead-out terminal 25 can keep breaking off.
Fig. 2 shows the wiring diagram of the testing apparatus 1 shown in Fig. 1.Input terminal 24 is connected to phase sequence tester 30 via conductive path.The result who is tested by the phase sequence of phase sequence tester 30 execution is indicated by LED L1, L2, L3.If predetermined or correct voltage, for example 115V is applied to all three input terminals 24 of testing apparatus 1, then all three LED L1, L2, L3 activate.
Phase differential owing between the voltage on the different conductive paths between input terminal 24 and the phase sequence tester 30 has produced time-varying magnetic field.This time-varying magnetic field causes the electromagnetic force of the time that depends on, and it makes switch 80 closures.In case switch 80 closures, conductive path with the correspondent voltage carrying to lead-out terminal 25, and from lead-out terminal 25 to the 3 phase AC motors that connected.
To equal predetermined phase poor if phase sequence tester 30 detects the phase differential of the voltage of the input terminal 24 that is applied to testing apparatus; For example 120 °; Then a voltage is applied to photoelectron coupling mechanism 40; Photoelectron coupling mechanism 40 causes the electric current of the coil that flows through relay 50 then, and consequently the switch of relay 50 is closed.Therefore, electric current flows through LED 60, and LED 60 activates then, and the voltage of indicating correct and correct phase differential are applied to input terminal 24.If on one in the phase sequence tester conductive path between input terminal 24 and phase sequence tester, detect incorrect voltage; Perhaps owing to incorrect phase differential between these voltages; Make photoelectron coupling mechanism 40 not be energized; Then relay 50 keep breaking off and therefore LED 70 will activate, indication is by the fault of the test of phase sequence tester 30 execution.
In addition, testing apparatus 1 comprises Test Switchboard 90, in case push Test Switchboard 90, Test Switchboard 90 just starts the emulation to the thermal breaker in the 3 phase AC motors.If do not push Test Switchboard 90, then signal wire D continues to be connected with E.For the motor that compresses switch in different electric, relay 91 is connected to switch 90 via adapter 5 wiring.
Can come the over-temperature circuit in the bypass motor through using common cable electric connection terminal " D " and terminal " E ", so that carry out fault diagnosis (terminal " D " and terminal " E " are seen Fig. 1).
The versatility of testing apparatus 1 strengthens through a plurality of adapters 5 are provided, and said a plurality of adapters dispose according to the input terminal of the difference configuration of 3 phase AC motors on the different machines of aircraft.Adapter 5 comprises input terminal 10 and lead-out terminal 20.Adapter 5 is connected to the input terminal 24 of testing apparatus 1.
Whether essence of the present invention provides the method and the tool set of power lead and signal wire on the machine that is used for testing flying vehicle, thereby check phase differential correct between correct voltage and these voltage to be applied on the power lead and signal wire of the input terminal of guiding 3 phase AC motors into.Test to correct voltage and correct phase differential can be carried out through use test equipment 1, and testing apparatus 1 is correct to voltage and the phase differential that user's indication is applied.Assembly, signal wire, terminal etc.; Power on subbase Infrastructure or steering logic of the machine that is to say the aircraft that for good and all is installed in the 3 phase AC motor upper reaches is to be tested, so as aircraft, and therefore the normal work period of 3 phase AC motors confirm whether correct voltage and correct phase differential will be applied to 3 input terminals of AC motor mutually.Therefore, can measure through testing apparatus 1, guarantee the correct work of 3 phase AC motors thus at the duration of work of aircraft to 3 phase input signals of the various 3 phase AC motors of aircraft.In addition, testing apparatus 1 can also emulation be contained in the starting of the thermal breaker in the 3 phase AC motors for security reason.
Therefore; With tool set a kind of simple and mode easily are provided according to the method for the invention; The maintenance that makes aircraft is installed in various 3 on the aircraft machine that the be provided in power lead and the signal wire at the AC motor upper reaches mutually with producers' test, and unnecessaryly manually tests these power leads and signal wire to voltage that correctly applies and correct phase differential.
Claims (9)
1. the method that is used for power lead and signal wire on the machine of testing flying vehicle; Said power lead is connected 3 phase AC motors with signal wire with the power-supply system of said aircraft; Said 3 phase AC motors have the input terminal of separation; During 3 phase AC machine operation on the machine of aircraft, the predetermined voltage of predetermined phase difference will be applied on the input terminal of said separation, and this method comprises following step:
With said power lead and signal wire with replace said 3 mutually the input terminal (24) of the testing apparatus of AC motor (1) be connected;
Voltage is applied on said power lead and the signal wire;
Whether the voltage about being applied to said power lead and signal wire equals said predetermined voltage, carries out voltage tester through said testing apparatus (1); And
It is poor whether to equal said predetermined phase about the phase differential of the voltage that is applied to said power lead and signal wire, side by side carries out phase test through said testing apparatus (1) and said voltage tester.
2. according to the method for claim 1, further comprise following step:
With the lead-out terminal (25) and the said 3 input terminal connections of AC motor mutually of said testing apparatus (1), thereby the voltage of the input terminal that is applied to said 3 phase AC motors and phase differential thereof are kept watch on by said testing apparatus (1).
3. according to the method for claim 2, wherein with the lead-out terminal (25) of said testing apparatus (1) with said 3 mutually the input terminal step of connecting of AC motor automatically perform.
4. according to the described method of arbitrary claim in claim 1 to the claim 3, further comprise following step:
Be used for protecting said 3 phase AC motors to avoid overheated, as to be contained in the thermal breaker of 3 phase AC motors starting through said testing apparatus (1) emulation, conclude that thus corresponding alarm signal sends to the indicator of indication 3 phase AC electrical faults along said signal wire.
5. according to the described method of arbitrary claim in claim 1 to the claim 3; Wherein different adapter (5) is used for the terminal (24) of the difference configuration of said power lead and signal wire is connected with the input terminal (24) of said testing apparatus (1); At the duration of work of aircraft, the input terminal of the different configurations of 3 phase AC motors is connected on the terminal of the difference of said power lead and signal wire configuration and the different machines of aircraft.
6. according to the described method of arbitrary claim in claim 1 to the claim 3, wherein said 3 phase AC motors are selected from the group that comprises 3 phase AC artificial atmosphere motors, air re-circulation motor, petrolift motor or any other 3 phase consumer.
7. tool set comprises testing apparatus (1) and is used for a plurality of adapters (5) that the terminal with the difference configuration of power lead on the machine of aircraft and signal wire is connected with the input terminal (24) of said testing apparatus (1), and said testing apparatus (1) comprising:
Device (30), whether the voltage of input terminal (24) that is used to confirm to be applied to said testing apparatus (1) is corresponding to predetermined voltage;
Device (30); Be used for the voltage of the input terminal of confirming to be applied to said testing apparatus (1) (24) whether mutually side by side corresponding to predetermined voltage, it is poor whether the phase differential of voltage of confirming to be applied to the input terminal (24) of said testing apparatus (1) equals predetermined phase; And
Lead-out terminal (25) is used for and the 3 input terminal connections of AC motor mutually.
8. according to the tool set of claim 7, wherein said testing apparatus (1) is configured to confirm that said predetermined voltage equals 115V.
9. according to the tool set of claim 7 or 8, wherein said testing apparatus (1) is configured to confirm that said predetermined phase difference is 120 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100830900A CN101082649B (en) | 2006-05-31 | 2006-05-31 | Method for testing three phases power supply of flying vehicle and tool set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100830900A CN101082649B (en) | 2006-05-31 | 2006-05-31 | Method for testing three phases power supply of flying vehicle and tool set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101082649A CN101082649A (en) | 2007-12-05 |
| CN101082649B true CN101082649B (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2006100830900A Expired - Fee Related CN101082649B (en) | 2006-05-31 | 2006-05-31 | Method for testing three phases power supply of flying vehicle and tool set |
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| CN (1) | CN101082649B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8274297B2 (en) | 2007-11-29 | 2012-09-25 | Airbus Operations Gmbh | Method and kit for testing 3-phase supplies onboard of an aircraft |
| CN108037469B (en) * | 2017-10-23 | 2020-06-16 | 上海科梁信息工程股份有限公司 | Airplane power supply characteristic testing system and method |
| CN109507578B (en) * | 2018-11-29 | 2021-06-25 | 中航通飞华南飞机工业有限公司 | Off-line test circuit of airplane ground power supply distribution box |
-
2006
- 2006-05-31 CN CN2006100830900A patent/CN101082649B/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| 来文洁.飞机电源系统供电参数测试与分析研究.《中国优秀博硕士学位论文全文数据库（硕士）工程科技II辑》.2004,(第1期),第7-8页，第13-14页，第69-70页. * |
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| CN101082649A (en) | 2007-12-05 |
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