CN201876359U - Test system of APU (Auxiliary Power Unit) starter - Google Patents
Test system of APU (Auxiliary Power Unit) starter Download PDFInfo
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- CN201876359U CN201876359U CN2010206020504U CN201020602050U CN201876359U CN 201876359 U CN201876359 U CN 201876359U CN 2010206020504 U CN2010206020504 U CN 2010206020504U CN 201020602050 U CN201020602050 U CN 201020602050U CN 201876359 U CN201876359 U CN 201876359U
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- rotary speed
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Abstract
The utility model discloses a test system of an APU (Auxiliary Power Unit) starter, which comprises a central processing unit, a direct-current power supply and a rotary speed-torque sensor, wherein the direct-current power supply is connected with the APU starter, and the rotary speed-torque sensor is connected with the APU starter; the rotary speed-torque sensor is connected with the central processing unit through a torque converting assembly; and the central processing unit is also respectively connected with a printer, a keyboard and a display. The utility model has the advantages that the test system is an automatic real-time test system, all tested parameters can be dynamically displayed on a picture, and the tested parameters at that moment are recorded and saved as required; for a UUT (Unit Under Test) with the same part number and the same serial number, the test system automatically detects for many times and averages detection data as final data results for saving or printing; and the UUT detected by the test system completely accords with continuous navigability, and the detection results of the UUT detected by the test system can achieve the standards of design parameter requirements of OEMs (Original Equipment Manufacturers).
Description
Technical field
The utility model relates to a kind of comprehensive intelligent automatic measurement system, especially relate to the airborne APU of a kind of ground simulation when aircraft flight various states and the Auto-Test System of information acquisition.
Background technology
At home, the development and the exploitation of the automatic checkout system of aviation airborne equipment are scarcely out of swaddling-clothes, especially the detection system of the critical component on the machine is started late especially, and APU is exactly the key component on the machine, and the quality of these component capabilities directly influences the flight safety of aircraft.At present, the comprehensive automatic checkout system that resembles ATEC6 is arranged in the world, but the robotization that also is not suitable for APU detects.Because APU has its singularity, such as: power is big, rotating speed is high, braking is difficult to characteristics such as control, so Chang Gui measuring system can not meet the demands in the prior art.
The utility model content
The utility model has overcome shortcoming of the prior art, a kind of APU starter test macro is provided, adopt to adopt between programmed control and the mechanical part and be flexible coupling, to reach reliable and stable with through-drive and system works, purpose easy and simple to handle, overcome the imperfection of routine measurement effectively, can accurately reach the effect of simulation, break-in and detection.
The technical solution of the utility model is: a kind of APU starter test macro, comprise CPU (central processing unit), the direct supply that links to each other with the APU starter, and the rotary speed-torque sensor that links to each other with the APU starter, the rotary speed-torque sensor links to each other with CPU (central processing unit) by the goes through torque conversion assembly; CPU (central processing unit) also is connected with printer, keyboard and display respectively.
Described rotary speed-torque sensor is connected with reducing gear, magnetic powder brake and constant current source successively.Described direct supply is connected with voltage-to-current sensor, A/D converter and CPU (central processing unit) successively.Described voltage-to-current sensor is that electric isolation voltage sensor and electricity are isolated current sensor, and the scope of electric isolation voltage sensor is 0～28VDC, and corresponding electric current is 4～20mA, and at the resistance of one 200 Ω of output terminal string; The input range that electricity is isolated current sensor is 0～500A, the corresponding 0～5VDC that is output as.
Compared with prior art, the utility model has the advantages that: this system is an automatic real-time testing system, and all measured parameter all can dynamically be presented on the picture, and on request at that time test parameter is preserved; After the start-up system, system carries out self check and initialization, and self check is that each parts are carried out functional check, and initialization makes inner each interface of control system carry out initialization, and it is ready to be convenient to back to back task; After entering trace routine, select piece number, sequence number, measurement number of times and the operation species of measured piece by keyboard.
The APU break-in detects: when program entered this kind generic operation, load voltage was 6～8VDC, and monitoring load DC current is not more than the scope of 100A, and surface of contact is greater than 75%; And the rotation of motor is that 519858-X should be and turns clockwise for piece number, is that 48378-X should be the inhour rotation for piece number; When system detects when correct, DC voltage is adjusted to 0V automatically, turn back to the detection master menu then.
APU no load test: when program enters this kind generic operation, load voltage is 0VDC, automatically regulate the 28VDC power supply, the monitoring motor speed is in 10000～12000rpm scope, and dynamic display power supply voltage, electric current and motor speed, monitoring load DC current, and the rotation of motor is that 519858-X should be and turns clockwise for piece number, is that 48378-X should be the inhour rotation for piece number; When system detects when correct, DC voltage is adjusted to 0V automatically, turn back to the detection master menu then.
The test of APU load torque: when program enters this kind generic operation, be the UUT of 519858-X for piece number, program control DC voltage is adjusted to 16.8 ± 0.2V scope automatically, simultaneously, and dynamic display voltage, electric current, rotating speed and torque value.When in the scope that numerical value that these regulations show is requiring, PROGRAMMED AUTO control continuous current makes the torque value of motor reach 2.26 N.m, and load current should be not more than 200A, and motor speed is not less than 7600rpm; When the control constant current source made motor torque reach 9.46 N.m, load current should be not more than 475A, and motor speed is not less than 4600rpm; After confirming, supply voltage and constant current source electric current all transfer to 0V automatically.
For piece number is the UUT of 48378-X, and program control DC voltage is adjusted to 14 ± 0.2V scope automatically, simultaneously, and dynamic display voltage, electric current, rotating speed and torque value.When in the scope that numerical value that these regulations show is requiring, PROGRAMMED AUTO control continuous current makes the torque value of motor reach 2.12 N.m, and load current should be not more than 150A, and motor speed is not less than 4800rpm; When the control constant current source made motor torque reach 6.78 N.m, load current should be not more than 340A, and motor speed is not less than 2400rpm; After confirming, supply voltage and constant current source electric current all transfer to 0V automatically.
For the UUT of same piece number and same sequence number, system automatically carries out repeated detection, and its data is averaged preserve or print as the final data result.
By above-mentioned concrete embodiment to UUT, advance, integrity and the high characteristic of electromechanical robotization of APU starter test macro have been embodied, the UUT that detects by this test macro meets its continuous airworthi ness fully, and the testing result of the UUT that detects by this test macro reaches OEM producer design parameter required standard fully.
Description of drawings
The utility model will illustrate by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is a theory diagram of the present utility model.
Embodiment
As shown in Figure 1, a kind of APU starter test macro comprises: the direct supply that links to each other with the APU starter, 0～28VDC/0～600A power supply can be provided, and can require to regulate it according to detection and export APU to; The rotary speed-torque sensor that links to each other with the APU starter, the measurement range of rotary speed-torque sensor is 0～20N.M/0～10000rpm, tested rotary speed-torque is converted to two groups of ac voltage signals by elastic shaft and two groups of magnetoelectricity signal generators with phase differential, the frequency of these two groups of AC signal is identical, and be directly proportional with the rotating speed of axle, and the variable quantity of its phase differential is directly proportional with tested torque, this signal can directly draw rotating speed and torque by the various functions that the goes through torque conversion assembly provides by corresponding algorithm, and send central processing unit CPU to, at last by memory device, stores or printout on printer; In order to simulate aerial duty to APU, the Programmable and Variable load also is provided, provide corresponding torque by constant current source control magnetic powder brake to starter, utilized the magnetic transmitting torque, exciting current and torque are linear, and it is fast to have response speed, the advantage of grade simple in structure, exciting current is easy to be controlled to be 0～1A, and the permission slippage is 8KW, and the nominal torque that can provide is 0～100N.M; Because the slip power of detent is a steady state value regularly at radiating condition one, therefore, rotating speed is high more, the moment that allows is just low more, and rotating speed of motor can reach 5000rpm under little loading condition, and torque capacity can reach 10N.m, for making the magnetic powder brake operate as normal, need increase a reducing gear between magnetic powder brake and rotary speed-torque sensor, the rotating speed during with the work of assurance detent is below 1000rpm, and the reduction gear ratio of speed reduction unit is 10:1; In testing automatically, in order to finish monitoring and detection to electric current on the motor and voltage, also used electric isolation voltage and electricity to isolate current sensor, wherein, the input range of current sensor is 0～500A, corresponding 0～the 5VDC that is output as, and the scope of voltage sensor is 0～28VDC, corresponding electric current is 4～20mA, at the resistance of one 200 Ω of output terminal string, corresponding output voltage is 0.8V～4V, is converted to the corresponding digital amount through A/D converter then, and send central processing unit CPU to, show or printout on printer by display CRT at last.
Claims (4)
1. APU starter test macro, it is characterized in that: comprise CPU (central processing unit), the direct supply that links to each other with the APU starter, and the rotary speed-torque sensor that links to each other with the APU starter, the rotary speed-torque sensor links to each other with CPU (central processing unit) by the goes through torque conversion assembly; CPU (central processing unit) also is connected with printer, keyboard and display respectively.
2. APU starter test macro according to claim 1 is characterized in that: described rotary speed-torque sensor is connected with reducing gear, magnetic powder brake and constant current source successively.
3. APU starter test macro according to claim 1 is characterized in that: described direct supply is connected with voltage-to-current sensor, A/D converter and CPU (central processing unit) successively.
4. APU starter test macro according to claim 3, it is characterized in that: described voltage-to-current sensor is that electric isolation voltage sensor and electricity are isolated current sensor, the scope of electricity isolation voltage sensor is 0～28VDC, corresponding electric current is 4～20mA, and at the resistance of one 200 Ω of output terminal string; The input range that electricity is isolated current sensor is 0～500A, the corresponding 0～5VDC that is output as.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206020504U CN201876359U (en) | 2010-11-11 | 2010-11-11 | Test system of APU (Auxiliary Power Unit) starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206020504U CN201876359U (en) | 2010-11-11 | 2010-11-11 | Test system of APU (Auxiliary Power Unit) starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201876359U true CN201876359U (en) | 2011-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206020504U Expired - Lifetime CN201876359U (en) | 2010-11-11 | 2010-11-11 | Test system of APU (Auxiliary Power Unit) starter |
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| CN (1) | CN201876359U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630839A (en) * | 2013-12-17 | 2014-03-12 | 中国重汽集团济南动力有限公司 | Method and device for detecting faults of starting engine of commercial vehicle |
| CN104053977B (en) * | 2011-12-15 | 2017-04-05 | Avl里斯脱有限公司 | For the method and testing stand of test start motor |
| CN109238720A (en) * | 2018-07-25 | 2019-01-18 | 宁波远景汽车零部件有限公司 | A kind of vehicle-mounted starting machine detecting device and detection method |
| CN112268036A (en) * | 2020-10-16 | 2021-01-26 | 中国直升机设计研究所 | Device for simulating starting load of helicopter APU |
-
2010
- 2010-11-11 CN CN2010206020504U patent/CN201876359U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104053977B (en) * | 2011-12-15 | 2017-04-05 | Avl里斯脱有限公司 | For the method and testing stand of test start motor |
| CN103630839A (en) * | 2013-12-17 | 2014-03-12 | 中国重汽集团济南动力有限公司 | Method and device for detecting faults of starting engine of commercial vehicle |
| CN109238720A (en) * | 2018-07-25 | 2019-01-18 | 宁波远景汽车零部件有限公司 | A kind of vehicle-mounted starting machine detecting device and detection method |
| CN109238720B (en) * | 2018-07-25 | 2020-12-29 | 宁波远景汽车零部件有限公司 | Detection device and detection method for vehicle starter |
| CN112268036A (en) * | 2020-10-16 | 2021-01-26 | 中国直升机设计研究所 | Device for simulating starting load of helicopter APU |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Sichuan Yamei Power Technology Co., Ltd. Assignor: Sichuan Haite High-tech Co.,Ltd. Contract record no.: 2011510000182 Denomination of utility model: Test system of APU (Auxiliary Power Unit) starter Granted publication date: 20110622 License type: Exclusive License Record date: 20110822 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110622 |
|
| CX01 | Expiry of patent term |