CN101082649A - 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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- CN101082649A CN101082649A CN 200610083090 CN200610083090A CN101082649A CN 101082649 A CN101082649 A CN 101082649A CN 200610083090 CN200610083090 CN 200610083090 CN 200610083090 A CN200610083090 A CN 200610083090A CN 101082649 A CN101082649 A CN 101082649A
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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.Described 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 the different piece of main cabin, driving cabin, toilet, cargo hold or aircraft.Ventilation blower provides power by 3 phase AC motors usually.Accommodate thermal breaker in 3 phase AC motors, 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 and the correct work of protection such as designed ground.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 at 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 of 3 phase AC motor upstreams.For this reason, before carrying out test, disconnect 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 provide power 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, whether should check phase place on each terminal as 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 check each terminal by hand at 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 with check to 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 at 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 and other purpose are solved by the method for 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 described separation.The method according to this invention comprise the following steps: with power lead and signal wire and replacement 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 equal predetermined voltage about the voltage that is applied to power lead and signal wire, carry out voltage tester by 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 by testing apparatus and voltage tester.
Utilize the method according to this 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 of 3 phase AC motor upstreams are examined.The testing apparatus that will be used for the method according to this invention can be carried out voltage and phase test simultaneously, and the obvious less time of consumption is finished the ground test of aircraft thus.
Preferably, the method according to this invention comprises the lead-out terminal and the 3 input terminal connections of AC motor mutually with testing apparatus, thereby the voltage and the phase differential thereof of the input terminal that is applied to 3 phase AC motors are monitored by 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 of 3 phase AC motor upstreams, 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 by 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 Shi Yonging can the emulation thermal breaker in the method according to the invention.For the duration of work at aircraft prevent 3 phase AC motors overheated, and make the risk minimum that on the aircraft machine, causes fire thus, these thermal breakers are important.By using the method according to this 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 of the method according to this invention has 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.Being 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 differently disposed.Therefore, poor for the correct voltage and the correct phase of the connection plan of testing each upstream in these different 3 phase AC motors and the input terminal that is applied to these 3 phases AC motor, may must use different testing apparatuss with terminals that difference disposes.This is avoided by 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.
The method according to this invention can be used for checking steering logic or electronics infrastructure on the machine of aircraft of different 3 phase AC motor upstreams, described 3 phase AC motors are such as the 3 phase AC motors, air re-circulation motor and the petrolift motor that use in air handling system, or any other 3 phase consumer.
In another aspect, the present invention is a feature 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 determine to be applied to testing apparatus whether corresponding to the device of predetermined voltage, and whether the phase differential of voltage that is used to determine to be applied to the input terminal of testing apparatus equals the device of predetermined phase difference.
Preferably, be configured to determine that according to the testing apparatus that present invention resides in the tool set described predetermined voltage equals 115V, and testing apparatus is configured to also determine that described 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 the accompanying drawings, it is obvious that other features and advantages of the present invention will become.
Description of drawings
Fig. 1 will be used for the skeleton view of the testing apparatus of the method according to this invention,
Fig. 2 is the wiring diagram of the testing apparatus shown in Fig. 1.
Embodiment
The testing apparatus 1 that will be used for the method according to this invention is shown in Figure 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 minimum that causes fire on the aircraft machine thus.
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 disconnecting.
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 disconnecting 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 at different voltage switches, relay 91 is connected to switch 90 via adapter 5 wiring.
Can come over-temperature circuit in the bypass motor by 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 by a plurality of adapters 5 are provided, and described 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 at correct voltage and correct phase differential can be undertaken by 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 3 phase AC motor upstreams is tested, so as aircraft, and therefore the normal work period of 3 phase AC motors determine whether correct voltage and correct phase differential will be applied to 3 input terminals of AC motor mutually.Therefore, can measure by 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, the method according to this invention and tool set provide a kind of simple and mode easily, 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 of AC motor upstream mutually with producers' test, and unnecessaryly manually tests these power leads and signal wire at 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, described power lead is connected 3 phase AC motors with signal wire with the power-supply system of described aircraft, described 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 described separation, and this method comprises following step:
With described power lead and signal wire and replacement described 3 mutually the input terminal (24) of the testing apparatus of AC motor (1) be connected;
Voltage is applied on described power lead and the signal wire;
Whether equal described predetermined voltage about the voltage that is applied to described power lead and signal wire, carry out voltage tester by described testing apparatus (1); And
It is poor whether to equal described predetermined phase about the phase differential of the voltage that is applied to described power lead and signal wire, side by side carries out phase test by described testing apparatus (1) and described voltage tester.
2. according to the method for claim 1, further comprise following step:
With the lead-out terminal (25) and the described 3 input terminal connections of AC motor mutually of described testing apparatus (1), thereby the voltage of the input terminal that is applied to described 3 phase AC motors and phase differential thereof are monitored by described testing apparatus (1).
3. according to the method for claim 1 or 2, wherein with the lead-out terminal (25) of described testing apparatus (1) with described 3 mutually the input terminal step of connecting of AC motor automatically perform.
4. according to any one method in the aforementioned claim, further comprise following step:
Be used for protecting described 3 phase AC motors to avoid overheated, as to be contained in the thermal breaker of 3 phase AC motors starting by described testing apparatus (1) emulation, conclude that thus corresponding alarm signal sends to the indicator of indication 3 phase AC electrical faults along described signal wire.
5. according to any one method in the aforementioned claim, wherein different adapter (5) is used for the terminal (24) of the difference configuration of described power lead and signal wire is connected with the input terminal (24) of described 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 described power lead and signal wire configuration and the different machines of aircraft.
6. according to any one method in the aforementioned claim, 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 described testing apparatus (1), and described testing apparatus (1) comprising:
Device (30), whether the voltage of input terminal (24) that is used to determine to be applied to described testing apparatus (1) is corresponding to predetermined voltage; And
Device (30), it is poor whether the phase differential of voltage that is used to determine to be applied to the input terminal (24) of described testing apparatus (1) equals predetermined phase.
8. according to the tool set of claim 7, wherein said testing apparatus (1) is configured to determine that described predetermined voltage equals 115V.
9. according to the tool set of claim 7 or 8, wherein said testing apparatus (1) is configured to determine that described 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 true CN101082649A (en) | 2007-12-05 |
| CN101082649B CN101082649B (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009068062A1 (en) * | 2007-11-29 | 2009-06-04 | Airbus Operations Gmbh | Method and kit for testing 3-phase supplies onboard of an aircraft |
| CN108037469A (en) * | 2017-10-23 | 2018-05-15 | 上海科梁信息工程股份有限公司 | Aircraft power supply characteristic test system and method |
| CN109507578A (en) * | 2018-11-29 | 2019-03-22 | 中航通飞华南飞机工业有限公司 | A kind of disembarking for aircraft energizer block terminal tests circuit |
-
2006
- 2006-05-31 CN CN2006100830900A patent/CN101082649B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009068062A1 (en) * | 2007-11-29 | 2009-06-04 | Airbus Operations Gmbh | Method and kit for testing 3-phase supplies onboard of an aircraft |
| US8274297B2 (en) | 2007-11-29 | 2012-09-25 | Airbus Operations Gmbh | Method and kit for testing 3-phase supplies onboard of an aircraft |
| CN108037469A (en) * | 2017-10-23 | 2018-05-15 | 上海科梁信息工程股份有限公司 | Aircraft power supply characteristic test system and method |
| 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 |
| CN109507578A (en) * | 2018-11-29 | 2019-03-22 | 中航通飞华南飞机工业有限公司 | A kind of disembarking for aircraft energizer block terminal tests circuit |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN101082649B (en) | 2012-06-27 |
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