CN202631694U - Testing device for airplane starter - Google Patents
Testing device for airplane starter Download PDFInfo
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- CN202631694U CN202631694U CN 201220285674 CN201220285674U CN202631694U CN 202631694 U CN202631694 U CN 202631694U CN 201220285674 CN201220285674 CN 201220285674 CN 201220285674 U CN201220285674 U CN 201220285674U CN 202631694 U CN202631694 U CN 202631694U
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Abstract
The utility model relates to a testing device for an airplane starter. A fourteen needle socket of the testing device is connected with an electric connecting socket of the starter through a cable. A three needle socket 17 of the testing device is connected with three terminals of the starter through a cable. The ground wire of the starter is led out through holes 9 and 5 of an electric connector of the starter as the ground wire of an inner circuit of the testing device. A power supply of the starter is led out through the hole 14 of the electric connector of the starter and as the power supply of the testing device through a fuse. The testing device is internally provided with an associated switch and an indicator lamp. The testing device is connected to a corresponding characteristic circuit of a starting system through a circuit. The testing device for the airplane starter provided by the utility model can be supplied with power directly by an onboard 28V direct current power supply, and the testing device for the airplane starter is formed by using an electric component as a core so that the testing device for the airplane starter is higher in reliability and stability, and can be used to test the work performance of a WDZ-1 turbo-starter. Therefore, the testing device for the airplane starter is simple to operate and convenient to use.
Description
Technical field
The utility model relates to a kind of aircraft starter testing fixture, utilizes this device can accomplish the serviceability inspection of WDZ-1 turbo-starter.
Background technology
The aircraft general assembly later stage, need carry out ground check to the engine starting system circuit, be in normal operating conditions to guarantee starting system.
At present domestic existing somascope to other model engine starting system, its composition comprises selftest module, Liquid Crystal Module, Keysheet module, communication module, microprocessor, isolation module, DDS module, conditioning module, amplitude control module, power model, output module, switching input module, switching value isolation module and LED indicating module.With respect to the inspection of WDZ-1 engine starting system, there is following weak point in this technical scheme: this somascope is 28V direct supply on the use machine directly, needs to increase the power demands (like 5V, 12V etc.) of power transfer module to satisfy each functional module; It is the complex electronic circuit of core that this somascope adopts with the computing machine, compares electric circuit, and its reliability is relatively poor, and environmental suitability is poor; This somascope has used complicated technology, and cost is higher, though can obtain the high-acruracy survey result, the inspection of WDZ-1 starting system requires not high to measuring accuracy.
The utility model content
The utility model technical matters to be solved is: a kind of reliability height, stable performance, easy to use, the sequential that can check each circuit item by item are provided, are easy to carry, can be at the WDZ-1 of night time operation starter testing fixture.
The technical scheme that the utility model is taked is described below:
14 needle sockets 18 of testing fixture are connected through cable with the electric connector socket of starter, and the corresponding annexation of its pin hole is: corresponding 1 hole, 1 hole, corresponding 2 holes, 2 holes, corresponding 3 holes, 3 holes, corresponding 4 holes, 4 holes, corresponding 5 holes, 5 holes, corresponding 6 holes, 6 holes, corresponding 7 holes, 7 holes, corresponding 8 holes, 8 holes, corresponding 9 holes, 9 holes, corresponding 14 holes, 12 holes, corresponding 16 holes in corresponding 15 holes, 13 holes and 14 holes; Three needle sockets 17 of testing fixture are connected through cable with three terminals of starter, and its corresponding annexation is: corresponding " interlocking " terminals in 1 hole, corresponding " armature " terminals of corresponding " excitatory " terminals in 2 holes and 3 holes;
The ground wire of drawing starter through 9 holes and 5 holes of starter electric connector is as the ground wire of this testing fixture internal circuit; Draw the power supply of starter through starter electric connector 14 holes, behind fuse as the power supply of testing fixture;
Related switch is set in testing fixture; Connect among the individual features circuit of starting system through circuit; Its location status of usefulness is provided with the initialization state of starting system, and is specific as follows: as a) two position switch K1 to be set, 12 holes of a termination 14 needle sockets 18; Another termination internal electric source is used to be provided with the state of lubricating oil pressure signalling means; B) three position switch K2 is set, common port 1 connects internal electric source, and terminals 2 connect 3 holes of 14 needle sockets 18, and terminals 3 connect 6 holes of 14 needle sockets 18, is used to be provided with the state of centrifugal switch; C) two position switch K3 are set, 1 hole of a termination 14 needle sockets 18,2 holes of another termination 14 needle sockets 18 are used to be provided with the state of overspeed protection centrifugal switch; D) three position switch K4 is set, common port 1 connects 3 holes of three needle sockets 17, and terminals 2 connect the positive pole of lamp D1, and terminals 3 connect internal electric source, are used to be provided with the state of armature SS; E) three position switch K5 is set, common port 1 connects 2 holes of three needle sockets 17, and terminals 2 connect the positive pole of lamp D2, and terminals 3 meet pull-up resistor R, are used to be provided with the state of excitatory SS.
Relevant pilot lamp is set in testing fixture; Through circuit it is serially connected with among the individual features circuit of starting system; Ignite and extinguish the connecting and disconnecting that characterize the inner related circuit of starting system with it; Specific as follows: as a) between the terminals 2 of K switch 4 and ground wire, to insert pilot lamp D1, be used to characterize the state of armature circuit; B) between the terminals 2 of K switch 5 and ground wire, insert pilot lamp D2, be used to characterize the state of exciting circuit; C) between 13 holes of 14 needle sockets 18 and ground wire, insert pilot lamp D3, be used to characterize the state of firing circuit; D) between 7 holes of 14 needle sockets 18 and ground wire, insert pilot lamp D4, be used to characterize the state of starting oil spout circuit; E) between 8 holes of 14 needle sockets 18 and ground wire, insert pilot lamp D5, be used to characterize the state of oil return circuit; F) between 4 holes of 14 needle sockets 18 and ground wire, insert pilot lamp D6, be used to characterize the state of work fuel oil circuit; G) between internal electric source and ground wire, insert pilot lamp D7, be used to characterize the state of total fuel oil circuit; H) between 1 hole of three needle sockets 17 and ground wire, insert pilot lamp D8, be used to characterize the state of interlock circuit; I) between 12 holes of 14 needle sockets 18 and ground wire, insert pilot lamp D9, be used to characterize the state of lubricating oil pressure device circuit; J) between 3 holes of 14 needle sockets 18 and ground wire, insert pilot lamp D10, be used to characterize the state of centrifugal switch circuit;
Voltage table is set in testing fixture, the starting voltage when being used to show starter work, the positive pole of voltage table connects the terminals 3 of K switch 5, minus earth line;
Pull-up resistor is set in testing fixture, is used for the load of simulated firing machine, the terminals 3 of one of which termination K switch 5, other end ground wire.
The beneficial effect of the utility model is: the utility model is 28V DC power supply on the use machine directly, and the utility model is that core is formed with the electric components, has higher reliability and stability, and is simple to operate, easy to use.
Description of drawings
Fig. 1 is that the utility model starter testing fixture circuit connects synoptic diagram.
Embodiment
Below in conjunction with Figure of description the utility model is described further.
Referring to accompanying drawing 1; Design one 3.5 meters cable; Be used to connect 14 needle sockets 18 of testing fixture and the electric connector socket of starter, the corresponding annexation of its pin hole is: corresponding 1 hole, 1 hole, corresponding 2 holes, 2 holes, corresponding 3 holes, 3 holes, corresponding 4 holes, 4 holes, corresponding 5 holes, 5 holes, corresponding 6 holes, 6 holes, corresponding 7 holes, 7 holes, corresponding 8 holes, 8 holes, corresponding 9 holes, 9 holes, corresponding 14 holes, 12 holes, corresponding 16 holes in corresponding 15 holes, 13 holes and 14 holes; Design one 3.5 meters cable simultaneously; Be used to connect three needle sockets 17 of testing fixture and three terminals of starter, its corresponding annexation is: corresponding " interlocking " terminals in 1 hole, corresponding " armature " terminals of corresponding " excitatory " terminals in 2 holes and 3 holes.
The ground wire of drawing starter through 9 holes and 5 holes of starter electric connector is as the ground wire of this testing fixture internal circuit; The power supply of starter is drawn in 14 holes, behind fuse as the power supply of testing fixture.
Related switch is set in testing fixture, connects among the individual features circuit of starting system through circuit, its location status of usefulness is provided with the initialization state of starting system, and is specific as follows:
A) two position switch K1 are set, 12 holes of a termination 14 needle sockets 18, another termination internal electric source is used to be provided with the state of lubricating oil pressure signalling means;
B) three position switch K2 is set, common port 1 connects internal electric source, and terminals 2 connect 3 holes of 14 needle sockets 18, and terminals 3 connect 6 holes of 14 needle sockets 18, is used to be provided with the state of centrifugal switch;
C) two position switch K3 are set, 1 hole of a termination 14 needle sockets 18,2 holes of another termination 14 needle sockets 18 are used to be provided with the state of overspeed protection centrifugal switch;
D) three position switch K4 is set, common port 1 connects 3 holes of three needle sockets 17, and terminals 2 connect the positive pole of lamp D1, and terminals 3 connect internal electric source, are used to be provided with the state of armature SS;
E) three position switch K5 is set, common port 1 connects 2 holes of three needle sockets 17, and terminals 2 connect the positive pole of lamp D2, and terminals 3 meet pull-up resistor R, are used to be provided with the state of excitatory SS.
Relevant pilot lamp is set in testing fixture, it is serially connected with among the individual features circuit of starting system, ignite and extinguish the connecting and disconnecting that characterize the inner related circuit of starting system with it through circuit, specific as follows:
A) between the terminals 2 of K switch 4 and ground wire, insert pilot lamp D1, be used to characterize the state of armature circuit;
B) between the terminals 2 of K switch 5 and ground wire, insert pilot lamp D2, be used to characterize the state of exciting circuit;
C) between 13 holes of 14 needle sockets 18 and ground wire, insert pilot lamp D3, be used to characterize the state of firing circuit;
D) between 7 holes of 14 needle sockets 18 and ground wire, insert pilot lamp D4, be used to characterize the state of starting oil spout circuit;
E) between 8 holes of 14 needle sockets 18 and ground wire, insert pilot lamp D5, be used to characterize the state of oil return circuit;
F) between 4 holes of 14 needle sockets 18 and ground wire, insert pilot lamp D6, be used to characterize the state of work fuel oil circuit;
G) between internal electric source and ground wire, insert pilot lamp D7, be used to characterize the state of total fuel oil circuit;
H) between 1 hole of three needle sockets 17 and ground wire, insert pilot lamp D8, be used to characterize the state of interlock circuit;
I) between 12 holes of 14 needle sockets 18 and ground wire, insert pilot lamp D9, be used to characterize the state of lubricating oil pressure device circuit;
J) between 3 holes of 14 needle sockets 18 and ground wire, insert pilot lamp D10, be used to characterize the state of centrifugal switch circuit;
Voltage table is set in testing fixture, the starting voltage when being used to show starter work, the positive pole of voltage table connects the terminals 3 of K switch 5, minus earth line.
Pull-up resistor is set in testing fixture, is used for the load of simulated firing machine, the terminals 3 of one of which termination K switch 5, other end ground wire.
The model that three needle sockets 17 adopt is XCE22F3ZP, and the model that 14 needle sockets 18 adopt is XCE24F14ZP.
Pull-up resistor is installed in the testing fixture cabinet inside.
Carry out wiring with reference to accompanying drawing 1.
The concrete method of application introduction of WDZ-1 starter testing fixture is following:
A) with two cables this testing fixture is linked to each other with the WDZ-1 engine starting system;
B) put K switch 1 and K switch 3 in on-state; Put three position switch K2 and K4 in terminals 1 and terminals 2 on-states, put three position switch K5 in terminals 1 and terminals 3 on-states, energized; The reading of inspection voltage table, normal supply voltage is 28V;
C) at b) state under, put K switch 5 in terminals 1 and terminals 2 on-states, put simultaneously that " starting-cold commentaries on classics " switch utilizes the work schedule of each pilot lamp of stopwatch detection in starting state on the aircraft, normal condition is following:
1) pilot lamp D8 extinguished after igniting at once constantly in 0 second, and pilot lamp D2, D3 and D7 begin to ignite;
2) pilot lamp D1 began to ignite constantly in 5 seconds;
3) pilot lamp D6 began to ignite constantly in 8 seconds;
4) pilot lamp D5 began to ignite constantly in 9 seconds;
5) pilot lamp D5 extinguished constantly in 17 seconds;
6) pilot lamp D1, D2, D3 and D4 extinguished constantly in 25 seconds;
7) pilot lamp D8 ignited constantly in 30 seconds.
D) at c) state under, put on the aircraft " starting-cold commentaries on classics " switch in cold commentaries on classics state, utilize stopwatch to detect the work schedule of each pilot lamp, normal condition is following:
1) pilot lamp D8 extinguished after igniting at once constantly in 0 second, and pilot lamp D1, D2 and D7 begin to ignite;
2) pilot lamp D1 and D2 extinguished constantly in 10 seconds;
3) pilot lamp D7 extinguished constantly in 25 seconds;
4) pilot lamp D8 ignited constantly in 30 seconds.
E) judgment criterion: judge whether a WDZ-1 starter is in normal operating conditions; Need inspection c) with d) the igniting and extinguish sequential of the relevant pilot lamp described; If meet the requirements, think that then the WJ-6 starter is in normal operating conditions, otherwise think WJ-6 starter fault.
Claims (1)
1. aircraft starter testing fixture is characterized in that:
14 needle sockets 18 of testing fixture are connected through cable with the electric connector socket of starter, and the corresponding annexation of its pin hole is: corresponding 1 hole, 1 hole, corresponding 2 holes, 2 holes, corresponding 3 holes, 3 holes, corresponding 4 holes, 4 holes, corresponding 5 holes, 5 holes, corresponding 6 holes, 6 holes, corresponding 7 holes, 7 holes, corresponding 8 holes, 8 holes, corresponding 9 holes, 9 holes, corresponding 14 holes, 12 holes, corresponding 16 holes in corresponding 15 holes, 13 holes and 14 holes; Three needle sockets 17 of testing fixture are connected through cable with three terminals of starter, and its corresponding annexation is: corresponding " interlocking " terminals in 1 hole, corresponding " armature " terminals of corresponding " excitatory " terminals in 2 holes and 3 holes;
The ground wire of drawing starter through 9 holes and 5 holes of starter electric connector is as the ground wire of this testing fixture internal circuit; Draw the power supply of starter through starter electric connector 14 holes, behind fuse as the power supply of testing fixture;
Related switch is set in testing fixture; Connect among the individual features circuit of starting system through circuit; Its location status of usefulness is provided with the initialization state of starting system, and is specific as follows: as a) two position switch K1 to be set, 12 holes of a termination 14 needle sockets 18; Another termination internal electric source is used to be provided with the state of lubricating oil pressure signalling means; B) three position switch K2 is set, common port 1 connects internal electric source, and terminals 2 connect 3 holes of 14 needle sockets 18, and terminals 3 connect 6 holes of 14 needle sockets 18, is used to be provided with the state of centrifugal switch; C) two position switch K3 are set, 1 hole of a termination 14 needle sockets 18,2 holes of another termination 14 needle sockets 18 are used to be provided with the state of overspeed protection centrifugal switch; D) three position switch K4 is set, common port 1 connects 3 holes of three needle sockets 17, and terminals 2 connect the positive pole of lamp D1, and terminals 3 connect internal electric source, are used to be provided with the state of armature SS; E) three position switch K5 is set, common port 1 connects 2 holes of three needle sockets 17, and terminals 2 connect the positive pole of lamp D2, and terminals 3 meet pull-up resistor R, are used to be provided with the state of excitatory SS;
Relevant pilot lamp is set in testing fixture; Through circuit it is serially connected with among the individual features circuit of starting system; Ignite and extinguish the connecting and disconnecting that characterize the inner related circuit of starting system with it; Specific as follows: as a) between the terminals 2 of K switch 4 and ground wire, to insert pilot lamp D1, be used to characterize the state of armature circuit; B) between the terminals 2 of K switch 5 and ground wire, insert pilot lamp D2, be used to characterize the state of exciting circuit; C) between 13 holes of 14 needle sockets 18 and ground wire, insert pilot lamp D3, be used to characterize the state of firing circuit; D) between 7 holes of 14 needle sockets 18 and ground wire, insert pilot lamp D4, be used to characterize the state of starting oil spout circuit; E) between 8 holes of 14 needle sockets 18 and ground wire, insert pilot lamp D5, be used to characterize the state of oil return circuit; F) between 4 holes of 14 needle sockets 18 and ground wire, insert pilot lamp D6, be used to characterize the state of work fuel oil circuit; G) between internal electric source and ground wire, insert pilot lamp D7, be used to characterize the state of total fuel oil circuit; H) between 1 hole of three needle sockets 17 and ground wire, insert pilot lamp D8, be used to characterize the state of interlock circuit; I) between 12 holes of 14 needle sockets 18 and ground wire, insert pilot lamp D9, be used to characterize the state of lubricating oil pressure device circuit; J) between 3 holes of 14 needle sockets 18 and ground wire, insert pilot lamp D10, be used to characterize the state of centrifugal switch circuit;
Voltage table is set in testing fixture, the starting voltage when being used to show starter work, the positive pole of voltage table connects the terminals 3 of K switch 5, minus earth line;
Pull-up resistor is set in testing fixture, is used for the load of simulated firing machine, the terminals 3 of one of which termination K switch 5, other end ground wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220285674 CN202631694U (en) | 2012-06-18 | 2012-06-18 | Testing device for airplane starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220285674 CN202631694U (en) | 2012-06-18 | 2012-06-18 | Testing device for airplane starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202631694U true CN202631694U (en) | 2012-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220285674 Expired - Lifetime CN202631694U (en) | 2012-06-18 | 2012-06-18 | Testing device for airplane starter |
Country Status (1)
| Country | Link |
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| CN (1) | CN202631694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426479A (en) * | 2020-03-20 | 2020-07-17 | 长沙五七一二飞机工业有限责任公司 | Aircraft engine simulation starter and test method |
-
2012
- 2012-06-18 CN CN 201220285674 patent/CN202631694U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426479A (en) * | 2020-03-20 | 2020-07-17 | 长沙五七一二飞机工业有限责任公司 | Aircraft engine simulation starter and test method |
| CN111426479B (en) * | 2020-03-20 | 2022-06-03 | 长沙五七一二飞机工业有限责任公司 | Aircraft engine simulation starter and test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121226 |
|
| CX01 | Expiry of patent term |