CN104991545A - Helicopter floating drum undercarriage system control circuit tester - Google Patents
Helicopter floating drum undercarriage system control circuit tester Download PDFInfo
- Publication number
- CN104991545A CN104991545A CN201510212180.4A CN201510212180A CN104991545A CN 104991545 A CN104991545 A CN 104991545A CN 201510212180 A CN201510212180 A CN 201510212180A CN 104991545 A CN104991545 A CN 104991545A
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- electric connector
- connector socket
- pin
- pilot lamp
- timing relay
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0243—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults model based detection method, e.g. first-principles knowledge model
Abstract
The invention belongs to the aviation test technology, and relates to the improvement of a helicopter floating drum undercarriage system control circuit tester. The tester comprises an electric connector socket, a first on-off switch SW1, a second on-off switch SW2, a first indicator light L1, a second indicator light L2, a third indicator light L3, and a fourth indicator light 4, and also comprises first to fourth work current simulation circuits with a same structure. The invention provides an improved helicopter undercarriage system control circuit tester which can accurately simulate a floating drum load, guarantee test result accuracy, and improve the work reliability of a floating drum undercarriage system control circuit.
Description
Technical field
The invention belongs to Aeronautical Test Technology, relate to the improvement to helicopter flotation gear system, control circuit exerciser.
Background technology
The circuit structure of current a kind of helicopter flotation gear system, control circuit exerciser is see Fig. 1, and it is made up of electric connector socket, the first on-off switch SW1, the second on-off switch SW1, the first pilot lamp L1, the second pilot lamp L2, the 3rd pilot lamp L3 and the 4th pilot lamp L4.One end of first on-off switch SW1 is connected with the A pin of electric connector socket, and the other end of the first on-off switch SW1 is connected with the D pin of electric connector socket; One end of second on-off switch SW2 is connected with the M pin of electric connector socket, and the other end of the second on-off switch SW2 is connected with the J pin of electric connector socket; One end of first pilot lamp L1 is connected with the F pin of electric connector socket, and the other end of the first pilot lamp L1 is connected with the B pin of electric connector socket; One end of second pilot lamp L2 is connected with the E pin of electric connector socket, and the other end of the second pilot lamp L2 is connected with the C pin of electric connector socket; One end of 3rd pilot lamp L3 is connected with the H pin of electric connector socket, and the other end of the 3rd pilot lamp L3 is connected with the K pin of electric connector socket; One end of 4th pilot lamp L4 is connected with the G pin of electric connector socket, and the other end of the 3rd pilot lamp L4 is connected with the L pin of electric connector socket.Its principle of work is: the connection on disconnection machine between cable and floating drum, is connected by cable on machine with exerciser.When on exerciser, the first pilot lamp L1 is bright, on expression machine, first via flotation gear system, control circuit normally exports 28V voltage, if do not work, then first via flotation gear system, control circuit is abnormal; When the second pilot lamp L2 is bright, on expression machine, the second road flotation gear system, control circuit normally exports 28V voltage, if do not work, then the second road flotation gear system, control circuit is abnormal; When on exerciser, the 3rd pilot lamp L3 is bright, on expression machine, the 3rd road flotation gear system, control circuit normally exports 28V voltage, if do not work, then the 3rd road flotation gear system, control circuit is abnormal; When on exerciser, the 4th pilot lamp L4 is bright, on expression machine, the 4th road flotation gear system, control circuit normally exports 28V voltage, if do not work, then the 4th road flotation gear system, control circuit is abnormal; Realize the short circuit between electric connector socket A, D pin by the break-make controlling the first on-off switch SW1, if floating drum pilot lamp " 1 " is bright on machine, Ze Gai road is normal, if do not work, Ze Gai road is abnormal; Realize the short circuit between electric connector socket J, M pin by the break-make controlling the second on-off switch SW2, if floating drum pilot lamp " 2 " is bright on machine, Ze Gai road is normal, if do not work, Ze Gai road is abnormal.
Its shortcoming is: can not realize the accurate simulation to flotation gear system works electric current.Helicopter flotation gear system, control circuit Zhong tetra-road floating drum supply voltage is 28V, and electric current is about 2 amperes.Current exerciser d. c. indicator light simulation floating drum load, but the resistance of d. c. indicator light is large, working current size is milliampere level, can not the load of accurate simulation floating drum, cause test findings inaccurate, make the functional reliability of flotation gear system, control circuit poor.
Summary of the invention
The object of the invention is: the helicopter flotation gear system, control circuit exerciser proposing a kind of improvement, so that the load of accurate simulation floating drum, the correctness of warranty test result, improves the functional reliability of flotation gear system, control circuit.
Technical scheme of the present invention is: a kind of helicopter flotation gear system, control circuit exerciser, comprises electric connector socket, the first on-off switch SW1, the second on-off switch SW2, the first pilot lamp L1, the second pilot lamp L2, the 3rd pilot lamp L3 and the 4th pilot lamp L4, one end of first on-off switch SW1 is connected with the A pin of electric connector socket, and the other end of the first on-off switch SW1 is connected with the D pin of electric connector socket, one end of second on-off switch SW2 is connected with the M pin of electric connector socket, and the other end of the second on-off switch SW2 is connected with the J pin of electric connector socket, one end of first pilot lamp L1 is connected with the F pin of electric connector socket, and the other end of the first pilot lamp L1 is connected with the B pin of electric connector socket, one end of second pilot lamp L2 is connected with the E pin of electric connector socket, and the other end of the second pilot lamp L2 is connected with the C pin of electric connector socket, one end of 3rd pilot lamp L3 is connected with the H pin of electric connector socket, and the other end of the 3rd pilot lamp L3 is connected with the K pin of electric connector socket, one end of 4th pilot lamp L4 is connected with the G pin of electric connector socket, and the other end of the 3rd pilot lamp L4 is connected with the L pin of electric connector socket, it is characterized in that: have the first working current mimic channel to the identical working current mimic channel of the 4th working current mimic channel 4 structures, first working current mimic channel is by the first direct current stabilizer V1, first timing relay E1, 5th pilot lamp L5 and resistance R1 forms, the voltage input end V1in of the first direct current stabilizer V1 is connected with the F pin of electric connector socket, the voltage output end V1Out of the first direct current stabilizer V1 is connected with the positive terminals of coil of the first timing relay E1, the earth terminal GND of the first direct current stabilizer V1 is connected with the L pin of electric connector socket, the coil of the first timing relay E1 is born terminals and is connected with the B pin of electric connector socket, the moving contact 1 of the first timing relay E1 is connected with the F pin of electric connector socket, the stationary contact 2 of the first timing relay E1 is connected with one end of the 5th pilot lamp L5 of electric connector socket, the other end of the 5th pilot lamp L5 is connected with the B pin of electric connector socket, one end of resistance R1 is connected with the stationary contact 2 of the first timing relay E1, the other end is connected with the B pin of electric connector socket, second working current mimic channel is by the second direct current stabilizer V2, second timing relay E2, 6th pilot lamp L6 and resistance R2 forms, the voltage input end V2in of the second direct current stabilizer V2 is connected with the E pin of electric connector socket, the voltage output end V2Out of the second direct current stabilizer V2 is connected with the positive terminals of coil of the second timing relay E2, the earth terminal GND of the second direct current stabilizer V2 is connected with the L pin of electric connector socket, the coil of the second timing relay E2 is born terminals and is connected with the C pin of electric connector socket, the moving contact 1 of the second timing relay E2 is connected with the E pin of electric connector socket, the stationary contact 2 of the second timing relay E2 is connected with one end of the 6th pilot lamp L6 of electric connector socket, the other end of the 6th pilot lamp L6 is connected with the C pin of electric connector socket, one end of resistance R2 is connected with the stationary contact 2 of the second timing relay E2, the other end is connected with the C pin of electric connector socket, 3rd working current mimic channel is by the 3rd direct current stabilizer V3, 3rd timing relay E3, 7th pilot lamp L7 and resistance R3 forms, the voltage input end V3in of the 3rd direct current stabilizer V3 is connected with the H pin of electric connector socket, the voltage output end V3Out of the 3rd direct current stabilizer V3 is connected with the positive terminals of coil of the 3rd timing relay E3, the earth terminal GND of the 3rd direct current stabilizer V3 is connected with the L pin of electric connector socket, the coil of the 3rd timing relay E3 is born terminals and is connected with the K pin of electric connector socket, the moving contact 1 of the 3rd timing relay E3 is connected with the H pin of electric connector socket, the stationary contact 2 of the 3rd timing relay E3 is connected with one end of the 7th pilot lamp L7 of electric connector socket, the other end of the 7th pilot lamp L7 is connected with the K pin of electric connector socket, one end of resistance R3 is connected with the stationary contact 2 of the 3rd timing relay E3, the other end is connected with the K pin of electric connector socket, 4th working current mimic channel is by the 4th direct current stabilizer V4, 4th timing relay E4, 8th pilot lamp L8 and resistance R4 forms, the voltage input end V4in of the 4th direct current stabilizer V4 is connected with the G pin of electric connector socket, the voltage output end V4Out of the 4th direct current stabilizer V4 is connected with the positive terminals of coil of the 4th timing relay E4, the earth terminal GND of the 4th direct current stabilizer V4 is connected with the L pin of electric connector socket, the coil of the 4th timing relay E4 is born terminals and is connected with the L pin of electric connector socket, the moving contact 1 of the 4th timing relay E4 is connected with the G pin of electric connector socket, the stationary contact 2 of the 4th timing relay E4 is connected with one end of the 8th pilot lamp L8 of electric connector socket, the other end of the 8th pilot lamp L8 is connected with the L pin of electric connector socket, one end of resistance R4 is connected with the stationary contact 2 of the 4th timing relay E4, the other end is connected with the L pin of electric connector socket.
Advantage of the present invention is: the helicopter flotation gear system, control circuit exerciser proposing a kind of improvement, can the load of accurate simulation floating drum, ensure that the correctness of test findings, improves the functional reliability of flotation gear system, control circuit.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of current a kind of helicopter flotation gear system, control circuit exerciser.
Fig. 2 is circuit theory diagrams of the present invention.
Embodiment
Below the present invention is described in further details.See Fig. 2, a kind of helicopter flotation gear system, control circuit exerciser, comprises electric connector socket, the first on-off switch SW1, the second on-off switch SW2, the first pilot lamp L1, the second pilot lamp L2, the 3rd pilot lamp L3 and the 4th pilot lamp L4, one end of first on-off switch SW1 is connected with the A pin of electric connector socket, and the other end of the first on-off switch SW1 is connected with the D pin of electric connector socket, one end of second on-off switch SW2 is connected with the M pin of electric connector socket, and the other end of the second on-off switch SW2 is connected with the J pin of electric connector socket, one end of first pilot lamp L1 is connected with the F pin of electric connector socket, and the other end of the first pilot lamp L1 is connected with the B pin of electric connector socket, one end of second pilot lamp L2 is connected with the E pin of electric connector socket, and the other end of the second pilot lamp L2 is connected with the C pin of electric connector socket, one end of 3rd pilot lamp L3 is connected with the H pin of electric connector socket, and the other end of the 3rd pilot lamp L3 is connected with the K pin of electric connector socket, one end of 4th pilot lamp L4 is connected with the G pin of electric connector socket, and the other end of the 3rd pilot lamp L4 is connected with the L pin of electric connector socket, it is characterized in that: have the first working current mimic channel to the identical working current mimic channel of the 4th working current mimic channel 4 structures, first working current mimic channel is by the first direct current stabilizer V1, first timing relay E1, 5th pilot lamp L5 and resistance R1 forms, the voltage input end V1in of the first direct current stabilizer V1 is connected with the F pin of electric connector socket, the voltage output end V1Out of the first direct current stabilizer V1 is connected with the positive terminals of coil of the first timing relay E1, the earth terminal GND of the first direct current stabilizer V1 is connected with the L pin of electric connector socket, the coil of the first timing relay E1 is born terminals and is connected with the B pin of electric connector socket, the moving contact 1 of the first timing relay E1 is connected with the F pin of electric connector socket, the stationary contact 2 of the first timing relay E1 is connected with one end of the 5th pilot lamp L5 of electric connector socket, the other end of the 5th pilot lamp L5 is connected with the B pin of electric connector socket, one end of resistance R1 is connected with the stationary contact 2 of the first timing relay E1, the other end is connected with the B pin of electric connector socket, second working current mimic channel is by the second direct current stabilizer V2, second timing relay E2, 6th pilot lamp L6 and resistance R2 forms, the voltage input end V2in of the second direct current stabilizer V2 is connected with the E pin of electric connector socket, the voltage output end V2Out of the second direct current stabilizer V2 is connected with the positive terminals of coil of the second timing relay E2, the earth terminal GND of the second direct current stabilizer V2 is connected with the L pin of electric connector socket, the coil of the second timing relay E2 is born terminals and is connected with the C pin of electric connector socket, the moving contact 1 of the second timing relay E2 is connected with the E pin of electric connector socket, the stationary contact 2 of the second timing relay E2 is connected with one end of the 6th pilot lamp L6 of electric connector socket, the other end of the 6th pilot lamp L6 is connected with the C pin of electric connector socket, one end of resistance R2 is connected with the stationary contact 2 of the second timing relay E2, the other end is connected with the C pin of electric connector socket, 3rd working current mimic channel is by the 3rd direct current stabilizer V3, 3rd timing relay E3, 7th pilot lamp L7 and resistance R3 forms, the voltage input end V3in of the 3rd direct current stabilizer V3 is connected with the H pin of electric connector socket, the voltage output end V3Out of the 3rd direct current stabilizer V3 is connected with the positive terminals of coil of the 3rd timing relay E3, the earth terminal GND of the 3rd direct current stabilizer V3 is connected with the L pin of electric connector socket, the coil of the 3rd timing relay E3 is born terminals and is connected with the K pin of electric connector socket, the moving contact 1 of the 3rd timing relay E3 is connected with the H pin of electric connector socket, the stationary contact 2 of the 3rd timing relay E3 is connected with one end of the 7th pilot lamp L7 of electric connector socket, the other end of the 7th pilot lamp L7 is connected with the K pin of electric connector socket, one end of resistance R3 is connected with the stationary contact 2 of the 3rd timing relay E3, the other end is connected with the K pin of electric connector socket, 4th working current mimic channel is by the 4th direct current stabilizer V4, 4th timing relay E4, 8th pilot lamp L8 and resistance R4 forms, the voltage input end V4in of the 4th direct current stabilizer V4 is connected with the G pin of electric connector socket, the voltage output end V4Out of the 4th direct current stabilizer V4 is connected with the positive terminals of coil of the 4th timing relay E4, the earth terminal GND of the 4th direct current stabilizer V4 is connected with the L pin of electric connector socket, the coil of the 4th timing relay E4 is born terminals and is connected with the L pin of electric connector socket, the moving contact 1 of the 4th timing relay E4 is connected with the G pin of electric connector socket, the stationary contact 2 of the 4th timing relay E4 is connected with one end of the 8th pilot lamp L8 of electric connector socket, the other end of the 8th pilot lamp L8 is connected with the L pin of electric connector socket, one end of resistance R4 is connected with the stationary contact 2 of the 4th timing relay E4, the other end is connected with the L pin of electric connector socket.
Principle of work of the present invention is: this exerciser devises working current mimic channel to make up the deficiency of current exerciser.Electric connector socket C (), E (+), B (), F (+), K (), H (+), L (), access 28V d. c. indicator light in parallel and 15 Ω, 100W resistors between G (+) pin, realize current analog.Because of the thermogenetic potential safety hazard of mistake during for avoiding testing, design delay protection circuit.In working current mimic channel, connect timing relay carry out delays time to control.Because selected timing relay specification is direct current 12V, therefore connect direct current stabilizer, make the power good outputting to chronotron relay at 12V.When on exerciser, the 5th pilot lamp L5 is bright, on expression machine, first via flotation gear system, control circuit normally exports 28V voltage, if do not work, then first via flotation gear system, control circuit is abnormal; When the 6th pilot lamp L6 is bright, on expression machine, the second road flotation gear system, control circuit normally exports 28V voltage, if do not work, then the second road flotation gear system, control circuit is abnormal; When on exerciser, the 7th pilot lamp L7 is bright, on expression machine, the 3rd road flotation gear system, control circuit normally exports 28V voltage, if do not work, then the 3rd road flotation gear system, control circuit is abnormal; When on exerciser, the 8th pilot lamp L8 is bright, on expression machine, the 4th road flotation gear system, control circuit normally exports 28V voltage, if do not work, then first via flotation gear system, control circuit is abnormal.By regulating the delay time of timing relay to make the test duration keep namely disconnecting for 5 seconds, avoiding the overheated potential safety hazard caused and making whole test more safe and reliable.
One embodiment of the present of invention, direct current stabilizer used and timing relay adopt finished parts.
Claims (1)
1. a helicopter flotation gear system, control circuit exerciser, comprises electric connector socket, the first on-off switch SW1, the second on-off switch SW2, the first pilot lamp L1, the second pilot lamp L2, the 3rd pilot lamp L3 and the 4th pilot lamp L4, one end of first on-off switch SW1 is connected with the A pin of electric connector socket, and the other end of the first on-off switch SW1 is connected with the D pin of electric connector socket, one end of second on-off switch SW2 is connected with the M pin of electric connector socket, and the other end of the second on-off switch SW2 is connected with the J pin of electric connector socket, one end of first pilot lamp L1 is connected with the F pin of electric connector socket, and the other end of the first pilot lamp L1 is connected with the B pin of electric connector socket, one end of second pilot lamp L2 is connected with the E pin of electric connector socket, and the other end of the second pilot lamp L2 is connected with the C pin of electric connector socket, one end of 3rd pilot lamp L3 is connected with the H pin of electric connector socket, and the other end of the 3rd pilot lamp L3 is connected with the K pin of electric connector socket, one end of 4th pilot lamp L4 is connected with the G pin of electric connector socket, and the other end of the 3rd pilot lamp L4 is connected with the L pin of electric connector socket, it is characterized in that: have the first working current mimic channel to the identical working current mimic channel of the 4th working current mimic channel 4 structures, first working current mimic channel is by the first direct current stabilizer V1, first timing relay E1, 5th pilot lamp L5 and resistance R1 forms, the voltage input end V1in of the first direct current stabilizer V1 is connected with the F pin of electric connector socket, the voltage output end V1Out of the first direct current stabilizer V1 is connected with the positive terminals of coil of the first timing relay E1, the earth terminal GND of the first direct current stabilizer V1 is connected with the L pin of electric connector socket, the coil of the first timing relay E1 is born terminals and is connected with the B pin of electric connector socket, the moving contact 1 of the first timing relay E1 is connected with the F pin of electric connector socket, the stationary contact 2 of the first timing relay E1 is connected with one end of the 5th pilot lamp L5 of electric connector socket, the other end of the 5th pilot lamp L5 is connected with the B pin of electric connector socket, one end of resistance R1 is connected with the stationary contact 2 of the first timing relay E1, the other end is connected with the B pin of electric connector socket, second working current mimic channel is by the second direct current stabilizer V2, second timing relay E2, 6th pilot lamp L6 and resistance R2 forms, the voltage input end V2in of the second direct current stabilizer V2 is connected with the E pin of electric connector socket, the voltage output end V2Out of the second direct current stabilizer V2 is connected with the positive terminals of coil of the second timing relay E2, the earth terminal GND of the second direct current stabilizer V2 is connected with the L pin of electric connector socket, the coil of the second timing relay E2 is born terminals and is connected with the C pin of electric connector socket, the moving contact 1 of the second timing relay E2 is connected with the E pin of electric connector socket, the stationary contact 2 of the second timing relay E2 is connected with one end of the 6th pilot lamp L6 of electric connector socket, the other end of the 6th pilot lamp L6 is connected with the C pin of electric connector socket, one end of resistance R2 is connected with the stationary contact 2 of the second timing relay E2, the other end is connected with the C pin of electric connector socket, 3rd working current mimic channel is by the 3rd direct current stabilizer V3, 3rd timing relay E3, 7th pilot lamp L7 and resistance R3 forms, the voltage input end V3in of the 3rd direct current stabilizer V3 is connected with the H pin of electric connector socket, the voltage output end V3Out of the 3rd direct current stabilizer V3 is connected with the positive terminals of coil of the 3rd timing relay E3, the earth terminal GND of the 3rd direct current stabilizer V3 is connected with the L pin of electric connector socket, the coil of the 3rd timing relay E3 is born terminals and is connected with the K pin of electric connector socket, the moving contact 1 of the 3rd timing relay E3 is connected with the H pin of electric connector socket, the stationary contact 2 of the 3rd timing relay E3 is connected with one end of the 7th pilot lamp L7 of electric connector socket, the other end of the 7th pilot lamp L7 is connected with the K pin of electric connector socket, one end of resistance R3 is connected with the stationary contact 2 of the 3rd timing relay E3, the other end is connected with the K pin of electric connector socket, 4th working current mimic channel is by the 4th direct current stabilizer V4, 4th timing relay E4, 8th pilot lamp L8 and resistance R4 forms, the voltage input end V4in of the 4th direct current stabilizer V4 is connected with the G pin of electric connector socket, the voltage output end V4Out of the 4th direct current stabilizer V4 is connected with the positive terminals of coil of the 4th timing relay E4, the earth terminal GND of the 4th direct current stabilizer V4 is connected with the L pin of electric connector socket, the coil of the 4th timing relay E4 is born terminals and is connected with the L pin of electric connector socket, the moving contact 1 of the 4th timing relay E4 is connected with the G pin of electric connector socket, the stationary contact 2 of the 4th timing relay E4 is connected with one end of the 8th pilot lamp L8 of electric connector socket, the other end of the 8th pilot lamp L8 is connected with the L pin of electric connector socket, one end of resistance R4 is connected with the stationary contact 2 of the 4th timing relay E4, the other end is connected with the L pin of electric connector socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510212180.4A CN104991545A (en) | 2015-04-29 | 2015-04-29 | Helicopter floating drum undercarriage system control circuit tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510212180.4A CN104991545A (en) | 2015-04-29 | 2015-04-29 | Helicopter floating drum undercarriage system control circuit tester |
Publications (1)
| Publication Number | Publication Date |
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| CN104991545A true CN104991545A (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510212180.4A Pending CN104991545A (en) | 2015-04-29 | 2015-04-29 | Helicopter floating drum undercarriage system control circuit tester |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107229027A (en) * | 2016-03-25 | 2017-10-03 | 哈尔滨飞机工业集团有限责任公司 | A kind of helicopter engine power warning system power-on test device |
| CN112009720A (en) * | 2019-05-30 | 2020-12-01 | 中国商用飞机有限责任公司 | Control system of aircraft landing gear and cabin door |
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| JPS6327769A (en) * | 1986-07-21 | 1988-02-05 | Jidosha Kiki Co Ltd | Apparatus for confirming operation of electric circuit |
| CN202351633U (en) * | 2011-12-16 | 2012-07-25 | 山东金鲁城工程材料有限公司 | Automatic circulation control device capable of delaying powering-on and delaying powering-off |
| CN202421880U (en) * | 2011-09-05 | 2012-09-05 | 成都华太航空科技有限公司 | ABCU testboard |
| CN202435656U (en) * | 2011-12-14 | 2012-09-12 | 西安广融电气有限公司 | Delay circuit for turning off lighting lamp in mine roadway |
| CN202631695U (en) * | 2012-06-18 | 2012-12-26 | 中国航空工业集团公司西安飞机设计研究所 | Airplane starter testing device |
| CN104345243A (en) * | 2013-08-05 | 2015-02-11 | 哈尔滨飞机工业集团有限责任公司 | Electrical performance check tester for fuel system |
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- 2015-04-29 CN CN201510212180.4A patent/CN104991545A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6327769A (en) * | 1986-07-21 | 1988-02-05 | Jidosha Kiki Co Ltd | Apparatus for confirming operation of electric circuit |
| CN202421880U (en) * | 2011-09-05 | 2012-09-05 | 成都华太航空科技有限公司 | ABCU testboard |
| CN202435656U (en) * | 2011-12-14 | 2012-09-12 | 西安广融电气有限公司 | Delay circuit for turning off lighting lamp in mine roadway |
| CN202351633U (en) * | 2011-12-16 | 2012-07-25 | 山东金鲁城工程材料有限公司 | Automatic circulation control device capable of delaying powering-on and delaying powering-off |
| CN202631695U (en) * | 2012-06-18 | 2012-12-26 | 中国航空工业集团公司西安飞机设计研究所 | Airplane starter testing device |
| CN104345243A (en) * | 2013-08-05 | 2015-02-11 | 哈尔滨飞机工业集团有限责任公司 | Electrical performance check tester for fuel system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107229027A (en) * | 2016-03-25 | 2017-10-03 | 哈尔滨飞机工业集团有限责任公司 | A kind of helicopter engine power warning system power-on test device |
| CN112009720A (en) * | 2019-05-30 | 2020-12-01 | 中国商用飞机有限责任公司 | Control system of aircraft landing gear and cabin door |
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Application publication date: 20151021 |