CN109443652A - Deep-sea aircraft promotes mainly motor water pressure test leak water detdction circuit and detection method - Google Patents

Deep-sea aircraft promotes mainly motor water pressure test leak water detdction circuit and detection method Download PDF

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Publication number
CN109443652A
CN109443652A CN201811538053.3A CN201811538053A CN109443652A CN 109443652 A CN109443652 A CN 109443652A CN 201811538053 A CN201811538053 A CN 201811538053A CN 109443652 A CN109443652 A CN 109443652A
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China
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motor
featured
power supply
leakage sensor
relay
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CN201811538053.3A
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CN109443652B (en
Inventor
梁勇
李�瑞
关静岩
王健
杨秀芳
张晓艳
李滟津
解全泽
张继鹏
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Shanxi Fenxi Heavy Industry Co Ltd
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Shanxi Fenxi Heavy Industry Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/16Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

The invention discloses a kind of deep-sea aircraft to promote mainly motor water pressure test leak water detdction circuit and detection method, solves the problems, such as to detect leak time of origin poor accuracy in the featured motor water pressure test and be easy to happen featured motor to burn.The rear end contact ground connection of leakage sensor (J1) in the featured closed shell of motor, the distal tip of leakage sensor (J1) pass through the first current-limiting resistance (R1) and control circuit power supply (VCC) connection, the distal tip of leakage sensor (J1) is connect with one end of the control coil in relay (3), the other end of control coil in relay (3) is grounded, the moved end (a) of single-pole double-throw switch (SPDT) in relay (3) is connect with the anode of featured motor drive power supply (4), is connected with featured motor (5) between the first non-moving end (b) of the single-pole double-throw switch (SPDT) in the cathode and relay (3) of featured motor drive power supply (4).The present invention can timely detect the drainage in dynamic sealing device.

Description

Deep-sea aircraft promotes mainly motor water pressure test leak water detdction circuit and detection method
Technical field
The present invention relates to a kind of submarine navigation devices to promote mainly the motor water pressure test, in particular to a kind of deep-sea aircraft hydraulic pressure examination Leak automatic detection circuit and detection method in testing.
Background technique
With continuing to increase to deep-ocean resource exploitation, the hours underway of submarine navigation device is increasingly longer, submerged depth It is increasing, it is also higher and higher to the sealing performance requirement of aircraft, it is especially close to the dynamic of the featured motor of aircraft tail end Envelope requires also higher and higher.When deep ocean work, once aircraft promotes mainly motor leak, due to the pressure of deep-sea super large, short time In interior a large amount of water injection aircraft cabin, so that aircraft generates powerful negative buoyancy force, aircraft acceleration is promoted to sink downwardly until bottom Portion can not salvage recycling, lead to the failure of entire deep ocean work.The featured motor of aircraft is required to carry out before factory Dynamic sealing test, to examine its dynamic sealing performance;Existing aircraft, which promotes mainly motor leakage test, to be carried out in pressure axe , during test, it is set as different pressure in pressure axe, aircraft is promoted mainly into motor and is put into autoclave pressure, and makes to navigate by water Device promote mainly motor rotated for a long time under different rotating speeds, with simulated voyage device motor at different deep-seas operation conditions;It is testing In progress, testing crew will periodically detect the water leakage situation that aircraft promotes mainly motor, be occurred with the leak of the featured motor of measurement Correct time provides the firsthand information to promote mainly the performance evaluation of motor sealing, and since test period is very long, personal monitoring is quasi- The phenomenon that exactness is again poor, and motor leak cannot be found in time frequent occurrence in test, has influenced motor dynamic sealing limit time Accurate Determining;In addition, cannot find that featured motor leak is also easy to that the generation that featured motor burns phenomenon occurs in time.
Summary of the invention
The present invention provides a kind of deep-sea aircraft to promote mainly motor water pressure test leak water detdction circuit and detection method, solves Detection leak time of origin poor accuracy and the technical issues of featured motor is burnt is easy to happen in the featured motor water pressure test.
The present invention is to solve the above technical problem by the following technical programs:
A kind of deep-sea aircraft promotes mainly motor water pressure test leak water detdction circuit, including featured motor, setting are close in featured motor Leakage sensor, control circuit power supply, timer, relay and acoustooptic alarm in closed shell body, the rear end of leakage sensor Contact ground connection, the distal tip of leakage sensor are linked together by the first current-limiting resistance and control circuit power supply, and leakage passes One end of control coil in the distal tip and relay of sensor links together, the other end of the control coil in relay It is grounded, the moved end of single-pole double-throw switch (SPDT) and the anode of featured motor drive power supply in relay link together, in featured electricity It is connected with featured motor between first non-moving end of the single-pole double-throw switch (SPDT) in the cathode and relay of machine driving power, featured Acoustooptic alarm is connected between the cathode of motor drive power supply and the second non-moving end of single-pole double-throw switch (SPDT);In leakage sensor Distal tip on be connected with logic inverter, be connected with timer on the output end of logic inverter.
The second leakage sensor and third leakage sensor, the second leakage are also respectively provided in the featured closed shell of motor The rear end contact of liquid sensor is grounded, and the distal tip of the second leakage sensor passes through the second current-limiting resistance and control circuit power supply It links together, the rear end contact ground connection of third leakage sensor, the distal tip of third leakage sensor passes through third current limliting Resistance links together with control circuit power supply.
A kind of featured motor water pressure test leak water detdction circuit methods of deep-sea aircraft, comprising the following steps:
Leakage sensor is arranged in the featured closed shell of motor in the first step, the rear end contact of leakage sensor is grounded, leakage The distal tip of sensor is connect by the first current-limiting resistance with control circuit power supply, the distal tip and relay of leakage sensor One end of control coil in device links together, the other end ground connection of the control coil in relay, the hilted broadsword in relay The moved end of commutator and the anode of featured motor drive power supply link together, featured motor drive power supply cathode with after Be connected with featured motor between first non-moving end of the single-pole double-throw switch (SPDT) in electric appliance, featured motor drive power supply cathode with Acoustooptic alarm is connected between second non-moving end of single-pole double-throw switch (SPDT);It is connected with and patrols in the distal tip of leakage sensor NOT gate is collected, is connected with timer on the output end of logic inverter;
Featured motor is placed into autoclave pressure by second step, connects control circuit power supply, the control coil in relay obtain it is electric, The moved end of single-pole double-throw switch (SPDT) and the first non-moving end of single-pole double-throw switch (SPDT) connect, and featured motor starts turning, dynamic sealing test On-test, at the same time, the distal tip of leakage sensor are high level, and the output end of logic inverter is low level, low electricity Flat starting timer starts timing;
Third step is intake when in the featured closed shell of motor, then the distal tip of leakage sensor and rear end contact are connected, leakage The distal tip of sensor becomes low level by high level, the control coil power loss in relay, the moved end of single-pole double-throw switch (SPDT) It being connect with the second non-moving end of single-pole double-throw switch (SPDT), the power supply for promoting mainly motor is cut off, and acoustooptic alarm is powered, At the same time, the output end of logic inverter is high level, the timing of high level abort timer, to accurately obtain featured motor Flooding time, and in time cut end promote mainly motor power supply.
The present invention has the characteristics that structure is simple, small in size, high reliablity, can timely detect in dynamic sealing device Drainage, while eliminating the hidden danger that featured motor is burned out, simplify the complexity of dynamic sealing test.
Detailed description of the invention
Fig. 1 is electrical block diagram of the invention.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing:
A kind of deep-sea aircraft promotes mainly motor water pressure test leak water detdction circuit, including featured motor 5, setting are close in featured motor Leakage sensor J1, control circuit power supply V in closed shell bodyCC, timer 1, relay 3 and acoustooptic alarm 5, leakage sensor The rear end contact of J1 is grounded, and the distal tip of leakage sensor J1 passes through the first current-limiting resistance R1 and control circuit power supply VCCConnection Together, the distal tip of leakage sensor J1 and one end of the control coil in relay 3 link together, in relay 3 Control coil other end ground connection, the moved end a and featured motor drive power supply 4 of the single-pole double-throw switch (SPDT) in relay 3 are just Pole links together, the first non-moving end b of the single-pole double-throw switch (SPDT) in the cathode and relay 3 of featured motor drive power supply 4 Between be connected with featured motor 5, between the cathode of featured motor drive power supply 4 and the second non-moving end c of single-pole double-throw switch (SPDT) It is connected with acoustooptic alarm 5;Logic inverter 9 is connected in the distal tip of leakage sensor J1, in the output of logic inverter 9 Timer 1 is connected on end.
The second leakage sensor J2 and third leakage sensor J3 are also respectively provided in the featured closed shell of motor, the The rear end contact of two leakage sensor J2 is grounded, and the distal tip of the second leakage sensor J2 passes through the second current-limiting resistance R2 and control Circuit power V processedCCIt links together, the rear end contact ground connection of third leakage sensor J3, the front end of third leakage sensor J3 Contact passes through third current-limiting resistance R3 and control circuit power supply VCCIt links together.
A kind of featured motor water pressure test leak water detdction circuit methods of deep-sea aircraft, comprising the following steps:
Leakage sensor J1 is arranged in the first step in the featured closed shell of motor, and the rear end contact of leakage sensor J1 is grounded, The distal tip of leakage sensor J1 passes through the first current-limiting resistance R1 and control circuit power supply VCCIt connects, before leakage sensor J1 One end of end contact and the control coil in relay 3 links together, the other end ground connection of the control coil in relay 3, The moved end a of single-pole double-throw switch (SPDT) in relay 3 and the anode of featured motor drive power supply 4 link together, in featured motor It is connected with featured motor 5 between the cathode of driving power 4 and the first non-moving end b of the single-pole double-throw switch (SPDT) in relay 3, in master It pushes away and is connected with acoustooptic alarm 5 between the cathode of motor drive power supply 4 and the second non-moving end c of single-pole double-throw switch (SPDT);In leakage It is connected with logic inverter 9 in the distal tip of sensor J1, timer 1 is connected on the output end of logic inverter 9;
Featured motor is placed into autoclave pressure by second step, connects control circuit power supply VCC, the control coil in relay 3 obtains Electricity, the first non-moving end b connection of the moved end a and single-pole double-throw switch (SPDT) of single-pole double-throw switch (SPDT), featured motor 5 are started turning, are moved close Envelope testing experiment starts, and at the same time, the distal tip of leakage sensor J1 is high level, and the output end of logic inverter 9 is low Level, low level start timer 1 and start timing;
Third step is intake when in the featured closed shell of motor, then the distal tip of leakage sensor J1 and rear end contact are connected, leakage The distal tip of liquid sensor J1 becomes low level by high level, the control coil power loss in relay 3, single-pole double-throw switch (SPDT) The second non-moving end c connection of moved end a and single-pole double-throw switch (SPDT), the power supply for promoting mainly motor 5 are cut off, 5 quilt of acoustooptic alarm Power on, at the same time, the output end of logic inverter 9 is high level, the timing of high level abort timer 1, thus accurately The flooding time of featured motor is obtained, and cut end promotes mainly the power supply of motor in time.

Claims (3)

1. a kind of deep-sea aircraft promotes mainly motor water pressure test leak water detdction circuit, including featured motor (5), setting in featured electricity Leakage sensor (J1), control circuit power supply (V in secret closed shell bodyCC), timer (1), relay (3) and acoustooptic alarm (5), which is characterized in that the rear end contact of leakage sensor (J1) is grounded, and the distal tip of leakage sensor (J1) passes through first Current-limiting resistance (R1) and control circuit power supply (VCC) link together, the distal tip of leakage sensor (J1) and relay (3) In one end of control coil link together, the other end ground connection of the control coil in relay (3), in relay (3) The moved end (a) of single-pole double-throw switch (SPDT) and the anode of featured motor drive power supply (4) link together, in featured motor drive power supply (4) featured motor (5) are connected between cathode and the first non-moving end (b) of the single-pole double-throw switch (SPDT) in relay (3), in master It pushes away and is connected with acoustooptic alarm (5) between the cathode of motor drive power supply (4) and the second non-moving end (c) of single-pole double-throw switch (SPDT); It is connected with logic inverter (9) in the distal tip of leakage sensor (J1), meter is connected on the output end of logic inverter (9) When device (1).
2. a kind of deep-sea aircraft according to claim 1 promotes mainly motor water pressure test leak water detdction circuit, feature exists In, the second leakage sensor (J2) and third leakage sensor (J3) are also respectively provided in the featured closed shell of motor, the The rear end contact of two leakage sensors (J2) is grounded, and the distal tip of the second leakage sensor (J2) passes through the second current-limiting resistance (R2) with control circuit power supply (VCC) link together, the rear end contact ground connection of third leakage sensor (J3), third leakage passes The distal tip of sensor (J3) passes through third current-limiting resistance (R3) and control circuit power supply (VCC) link together.
3. a kind of deep-sea aircraft promotes mainly motor water pressure test leak water detdction circuit methods, comprising the following steps:
Leakage sensor (J1) is arranged in the featured closed shell of motor in the first step, by the rear end contact of leakage sensor (J1) The distal tip of ground connection, leakage sensor (J1) passes through the first current-limiting resistance (R1) and control circuit power supply (VCC) connection, leakage The distal tip of sensor (J1) and one end of the control coil in relay (3) link together, the control in relay (3) The other end of coil is grounded, and the moved end (a) and featured motor drive power supply (4) of the single-pole double-throw switch (SPDT) in relay (3) are just Pole links together, and first in cathode and the single-pole double-throw switch (SPDT) in relay (3) of featured motor drive power supply (4) is motionless Be connected with featured motor (5) between end (b), featured motor drive power supply (4) cathode and single-pole double-throw switch (SPDT) second not Acoustooptic alarm (5) are connected between moved end (c);Logic inverter (9) are connected in the distal tip of leakage sensor (J1), Timer (1) is connected on the output end of logic inverter (9);
Featured motor is placed into autoclave pressure by second step, connects control circuit power supply (VCC), the control line in relay (3) Enclose electric, the moved end (a) of single-pole double-throw switch (SPDT) is connect with the first non-moving end (b) of single-pole double-throw switch (SPDT), is promoted mainly motor (5) and is started Rotation, dynamic sealing testing experiment start, and at the same time, the distal tip of leakage sensor (J1) is high level, logic inverter (9) Output end be low level, low level start timer (1) start timing;
Third step is intake when in the featured closed shell of motor, then the distal tip of leakage sensor (J1) and rear end contact are connected, The distal tip of leakage sensor (J1) becomes low level by high level, the control coil power loss in relay (3), single-pole double throw The moved end (a) of switch is connect with the second non-moving end (c) of single-pole double-throw switch (SPDT), and the power supply for promoting mainly motor (5) is cut off, sound Light alarm device (5) is powered, and at the same time, the output end of logic inverter (9) is high level, high level abort timer (1) timing, to accurately obtain the flooding time of featured motor, and cut end promotes mainly the power supply of motor in time.
CN201811538053.3A 2018-12-16 2018-12-16 Water leakage detection circuit and detection method for hydraulic test of main thrust motor of deep sea aircraft Active CN109443652B (en)

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Cited By (2)

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CN110108250A (en) * 2019-05-18 2019-08-09 山西汾西重工有限责任公司 Tilt angle machine insurance device release angle automatic testing equipment and test method
CN110296923A (en) * 2019-06-20 2019-10-01 山东省水利勘测设计院 Hydraulic engineering seepage monitoring system and method

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Publication number Priority date Publication date Assignee Title
CN110108250A (en) * 2019-05-18 2019-08-09 山西汾西重工有限责任公司 Tilt angle machine insurance device release angle automatic testing equipment and test method
CN110108250B (en) * 2019-05-18 2023-12-19 山西汾西重工有限责任公司 Automatic testing device and testing method for release angle of mechanical protector with inclination angle
CN110296923A (en) * 2019-06-20 2019-10-01 山东省水利勘测设计院 Hydraulic engineering seepage monitoring system and method

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