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 PDFInfo
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- 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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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 238000001514 detection method Methods 0.000 title abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 230000005611 electricity Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000001737 promoting effect Effects 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/16—Investigating 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
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.
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CN201811538053.3A CN109443652B (en) | 2018-12-16 | 2018-12-16 | Water leakage detection circuit and detection method for hydraulic test of main thrust motor of deep sea aircraft |
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CN201811538053.3A CN109443652B (en) | 2018-12-16 | 2018-12-16 | Water leakage detection circuit and detection method for hydraulic test of main thrust motor of deep sea aircraft |
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CN109443652B CN109443652B (en) | 2024-04-26 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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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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