CN108732077A - A kind of engine oil channel pipeline penetrant detecting method - Google Patents
A kind of engine oil channel pipeline penetrant detecting method Download PDFInfo
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- CN108732077A CN108732077A CN201810554529.6A CN201810554529A CN108732077A CN 108732077 A CN108732077 A CN 108732077A CN 201810554529 A CN201810554529 A CN 201810554529A CN 108732077 A CN108732077 A CN 108732077A
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- level transducer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
Abstract
The invention discloses a kind of engine oil channel pipeline penetrant detecting methods, and Liquid penetrant testing is carried out to engine oil channel pipeline using a kind of engine oil channel pipeline Liquid penetrant testing device；The engine oil channel pipeline Liquid penetrant testing device includes top fast-assembling level sensing part, lower part fast-assembling water filling and level sensing part, device electrically with master operation part, pipeline to be measured；The present invention controls water pump by industrial personal computer and realizes that the water filling of pipeline to be measured controls with control valve, the Liquid penetrant testing for treating test tube road is realized by the liquid level feedback Signal acquiring and processing of corresponding photoelectric level transducer, and control valve and sensor states can be carried out in real time in machine check.
Description
The present invention relates to the penetrant detecting method of fluid media (medium) pipeline, more particularly to a kind of engine oil channel pipeline infiltration inspection
Survey method.
Background technology
The Liquid penetrant testing of engine oil channel is to detect a kind of whether unimpeded method of engine oil pipeline, is widely used in
In the oil circuit detection of each model engine.There is presently no easily engine oil channels to leak automated detection method, frequently with
Manual or automanual detection method, detection take time and effort, and are difficult to ensure the accuracy and consistency of testing result, therefore need
Want a kind of engine oil channel penetration inspection method of automation.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of engine oil channel pipeline penetrant detecting method.
A kind of engine oil channel pipeline penetrant detecting method, using a kind of engine oil channel pipeline Liquid penetrant testing device to hair
Motivation oil duct pipeline carries out Liquid penetrant testing, which is characterized in that the engine oil channel pipeline Liquid penetrant testing device includes that top is fast
Fill level sensing part, lower part fast-assembling water filling and level sensing part, device electrically with master operation part, pipeline to be measured.
Further, the top fast-assembling level sensing part is by liquid storage cylinder (1), photoelectric level transducer A (2), light
Electric-type liquid level sensor B (10), fast-assembling sealed interface A (11), overflow pipe (9) composition, wherein：
Liquid storage cylinder (1) is transparent tapered tubular cavity, carries level scale in transparent wall, the volume of liquid storage cylinder (1) is greater than
Photoelectric level transducer A (2) arrives pipe volume between control valve A (15)；Overflow pipe (9) is located at transparent conical pipe top, uses
In preventing the liquid medium in liquid storage cylinder (1) from being overflowed from liquid storage cylinder (1) top, overflow pipe (9) end connects three-way pipe by hose
The A mouths of part B (18)；Photoelectric level transducer A (2) and photoelectric level transducer B (10) in liquid storage cylinder (1) axial direction away from
It is worth from for known determination, two liquid level sensors are used for the sensing of liquid storage cylinder (1) interior two position.
Further, the lower part fast-assembling water filling is sealed with level sensing part by mobile water tank (5), water pump (6), fast-assembling
Interface C (7), fast-assembling sealed interface B (13), photoelectric level transducer C (14), control valve A
(15), tee pipe fitting A (16), check valve (8), control valve B (17), tee pipe fitting B (18) compositions, wherein：It is close from fast-assembling
Sealing-in mouth B (13) is downwards photoelectric level transducer C (14), control valve A (15), tee pipe fitting A (16), control valve B successively
(17), (18) tee pipe fitting B；Check valve (8) is connect on the right side of tee pipe fitting A (16), it is close that check valve (8) connects fast-assembling successively from right to left
Sealing-in mouth C (7), water pump (6), mobile water tank (5), liquid medium flow direction are directed toward the ends tee pipe fitting A (16) to be held from water pump (6)；
The fast-assembling sealed interface B (13) is for the quick connection with pipeline to be measured (12), and photoelectric level transducer C (14) is for this
Partial level state sensing, control valve A (15) are used to carry out oil duct pipeline the keying of water filling and penetration inspection process discharge water
Control；Tee pipe fitting A (16) with control valve A (15), check valve (8), control valve B (17) for being connected respectively, control valve B
(17) be responsible for the injecting process in row/backwater channel closing and penetration inspection before to control valve A (15), control valve B (17) it
Between water emptied；Water pump (6) is responsible for providing water source to detection part from mobile water tank (5).
Further, pipeline to be measured (12) upper end passes through fast-assembling sealed interface A (11) and top fast-assembling level sensing
Part connects, and lower end is connect by fast-assembling sealed interface B (13) with lower part fast-assembling water filling with level sensing part.
Further, described device is electrically made of with master operation part industrial personal computer (3), wireless handheld controller (4),
Wherein：Industrial personal computer (3) passes through electric control circuit and photoelectric level transducer A (2), photoelectric level transducer B (10), light
Electric-type liquid level sensor C (14), control valve A (15), control valve B (17), water pump (6) connection, industrial personal computer (3) are responsible for acquisition sensing
Device data carry out control operation to control valve A (15), control valve B (17), water pump (6), and wireless handheld controller (4) has independence
Human-computer interaction interface can be communicated wirelessly with industrial personal computer (3) and be connect, realize to check device test process it is real-time monitoring and
Wireless handheld control operation.
Further, the engine oil channel pipeline Liquid penetrant testing device, the engine oil channel pipeline infiltration inspection are based on
Survey method includes the following steps：
1) it is connect with top fast-assembling level sensing part by fast-assembling sealed interface A (11) by pipeline (12) upper end to be measured,
Lower end is connect by fast-assembling sealed interface B (13) with lower part fast-assembling water filling with level sensing part；Passed through by the industrial personal computer (3)
Electric control circuit and photoelectric level transducer A (2), photoelectric level transducer B (10), photoelectric level transducer C
(14), control valve A (15), control valve B (17), water pump (6) connection；
2) control valve B (17) state is checked：Closing control valve B (17) opens control valve A (15)；Then start water pump (6), and
Timing is T1；Such as pass through standard time section Δ T1, photoelectric level transducer C (14) is not triggered yet, then shuts down water pump (6), and report
Alert prompt failure；Such as in standard time section Δ T1Internal trigger photoelectric level transducer C (14), then timing is T2；Using additional
Period Δ T2Afterwards, water pump (6) is shut down, and timing is T3；Such as pass through standard time section Δ T3(ΔT3>ΔT2), photoelectric liquid-levle
Sensor C (14) triggering state does not change yet, then control valve B (17) is normal；Such as in standard time section Δ T3Interior photoelectric liquid-levle
Sensor C (14) triggering state changes, then alarm failure；
3) control valve A (15) state is checked：After control valve B (17) status checkout qualification, it is further turned off control valve A (15)；
It is T to open control valve B (17), water between emptying control valve A (15), control valve B (17), and timing4；Such as pass through the standard time
Section Δ T4(ΔT4=Δ T3), photoelectric level transducer C (14) triggering state does not change yet, then control valve A (15) is normal；Such as
In standard time section Δ T4Interior photoelectric level transducer C (14) triggering state changes, then alarm failure；
4) photoelectric level transducer C (14) state is checked：After control valve B (17), control valve A (15) status checkout qualification,
Control valve B (17) is opened, then opens control valve A (15)；When the variation of photoelectric level transducer C (14) triggering state, then close
Control valve A (15), by the lower part fast-assembling water filling and level sensing part observation window to calibration value on liquid level readings and scale
Whether upper and lower limit groove comparison check photoelectric level transducer C (14) state is correct；
5) photoelectric level transducer A (2) state is checked：It is sensed in control valve B (17), control valve A (15) and photoelectric liquid-levle
After device C (14) status checkout qualification, closing control valve B (17) opens control valve A (15), starts water pump (6), when photo-electric liquid
Level sensor A (2) is triggered, then timing is T5；Using Additional time period Δ T5Afterwards, water pump (6), closing control valve A are shut down
(15), control valve B (17), water between emptying control valve A (15), control valve B (17) section are opened；Then control valve A is opened
(15), when photoelectric level transducer A (2) triggering state changes, then (15) closing control valve A, pass through scale on liquid storage cylinder (1)
To liquid level readings, and it is whether correct with calibration value upper and lower limit groove comparison check photoelectric level transducer A (2) state；
6) photoelectric level transducer B (10) state is checked：After photoelectric level transducer A (2) status checkout qualification, open
Control valve A (15)；When photoelectric level transducer B (10) triggering state changes, then (15) closing control valve A, pass through liquid storage cylinder
(1) scale is compared to liquid level readings, and with calibration value upper and lower limit groove on, and photoelectric level transducer B (10) state of inspection is
It is no correct；
7) water filling of oil duct pipeline controls：Closing control valve B (17) opens control valve A (15), starts water pump (6), and timing is
T6；Such as pass through standard time section Δ T6(ΔT6=Δ T1), do not trigger photoelectric level transducer C (14) yet, then cut out the pump (6),
And alarm failure；Such as in standard time section Δ T6(14) photoelectric level transducer C under internal trigger, then timing is T7；As again
By safety time section Δ T7, photoelectric level transducer B (10) is not triggered yet, then shuts down water pump (6), and alarm event
Barrier；Such as in standard time section Δ T7Internal trigger photoelectric level transducer B (10), then timing is T8；Such as using safety time section
ΔT8, photoelectric level transducer A (2) is not triggered yet, then shuts down water pump (6), and alarm failure；Such as in standard time section
ΔT8Internal trigger photoelectric level transducer A (2), then timing is T9；Using Additional time period Δ T9Afterwards, water pump (6) is shut down,
Closing control valve A (15)；Then control valve B (17) is opened, water between control valve A (15), control valve B (17) section is emptied, and
Timing is T10；Such as using safety time section Δ T10(ΔT10>ΔT9), photoelectric level transducer A (2) is still triggered, then oil duct
Water filling control flow is completed；Such as in standard time section Δ T10Interior photoelectric level transducer A (2) triggering state variation, then alarm
Prompt failure；
8) oil duct pipeline Liquid penetrant testing：Control valve A (15) is opened, and timing is T11；Such as pass through safety time section Δ T11(ΔT11>
ΔT9), photoelectric level transducer A (2) is still triggered, then and alarm failure；Such as in standard time section Δ T11Interior photo-electric
Liquid level sensor A (2) triggering state changes, then timing is T12；Such as using safety time section Δ T12(ΔT12>ΔT8), still touch
The variation of photoelectric level transducer B (10) or photoelectric level transducer C (14) triggering state is sent out, then alarm failure；Such as
In standard time section Δ T12Interior photoelectric level transducer B (10) triggering state variation, then timing is T13；Such as using safety
Period Δ T13(ΔT13>ΔT7), photoelectric level transducer C (14) is still triggered, then alarm failure；Such as in the standard time
Section Δ T13Interior photoelectric level transducer C (14) triggering state variation, then timing is T14；Calculate Δ T14=T14–T13, it is denoted as oil
Road pipeline time of penetration.
Further, after the completion of Liquid penetrant testing of the engine oil channel pipeline, oil duct pipeline water filling control, oil duct pipe
Road Liquid penetrant testing step can be executed sequentially again, to obtain the multiple time of penetration repeated measures to same oil duct pipeline.
Further, the calibration value upper and lower limit groove takes photoelectric level transducer A (2), photoelectric level transducer
The Upper-lower Limit position of B (10) actual liquid levels when same liquid level state of value repeatedly triggers.
Further, the standard time section Δ T1, Δ T2, Δ T3, Δ T4, Δ T5, Δ T6, Δ T7, Δ T8, Δ T9, Δ
T10, Δ T11, Δ T12, Δ T13Value take the calibration value of engine oil channel pipeline Liquid penetrant testing device, and be stored in industrial personal computer
(3) in.
The beneficial effects of the invention are as follows：Using a kind of engine oil channel pipeline penetrant detecting method, can be automatically performed
The single or multiple repeated penetration inspection experiments of engine oil channel pipeline, can capture skill based on the automatic monitoring of liquid stream flow section
Art realizes full-automatic program-controlled operation, has many advantages, such as to improve detection efficiency compared to existing artificial detection, reduces human cost.
Description of the drawings
Fig. 1 engine oil channel pipeline Liquid penetrant testing schematic devices.
Fig. 2 checks the flow chart of control valve B (17) state.
Fig. 3 checks the flow chart of control valve A (15) state.
Fig. 4 checks the flow chart of photoelectric level transducer C (14) state.
Fig. 5 checks the flow chart of photoelectric level transducer A (2) state.
Fig. 6 checks the flow chart of photoelectric level transducer B (10) state.
The flow chart of Fig. 7 oil duct pipeline water fillings control.
The flow chart of Fig. 8 oil duct pipeline Liquid penetrant testings.
Fig. 9 wireless handheld controllers detect operation and control interface.
Figure 10 wireless handheld controller testing result display interfaces.
Figure label is as follows：1 is liquid storage cylinder, and 2 be photoelectric level transducer A, and 3 be industrial personal computer, and 4 control for wireless handheld
Device, 5 be mobile water tank, and 6 be water pump, and 7 be fast-assembling sealed interface C, and 8 be check valve, and 9 be overflow pipe, and 10 pass for photoelectric liquid-levle
Sensor B, 11 be fast-assembling sealed interface A, and 12 be pipeline to be measured, and 13 be fast-assembling sealed interface B, and 14 be photoelectric level transducer C,
15 valve A in order to control, 16 be tee pipe fitting A, and 17 valve B in order to control, 18 be tee pipe fitting B.
Specific implementation mode
The present invention is further elaborated with a specific embodiment below in conjunction with the accompanying drawings.
A kind of engine oil channel pipeline penetrant detecting method, using a kind of engine oil channel pipeline Liquid penetrant testing device to hair
Motivation oil duct pipeline carries out Liquid penetrant testing, which is characterized in that the engine oil channel pipeline Liquid penetrant testing device includes that top is fast
Fill level sensing part, lower part fast-assembling water filling and level sensing part, device electrically with master operation part, pipeline to be measured.
Further, the top fast-assembling level sensing part is by liquid storage cylinder (1), photoelectric level transducer A (2), light
Electric-type liquid level sensor B (10), fast-assembling sealed interface A (11), overflow pipe (9) composition, wherein：Liquid storage cylinder (1) is transparent taper
Tubular housing, level scale is carried in transparent wall, and the volume of liquid storage cylinder (1) is greater than photoelectric level transducer A (2) to control
Pipe volume between valve A (15) processed；Overflow pipe (9) is located at transparent conical pipe top, for preventing the liquid in liquid storage cylinder (1) to be situated between
Matter is overflowed from liquid storage cylinder (1) top, and overflow pipe (9) end connects the A mouths of tee pipe fitting B (18) by hose；Photoelectric liquid-levle passes
Sensor A (2) and photoelectric level transducer B (10) in liquid storage cylinder (1) axial direction at a distance from for it is known it is determining be worth, two level sensings
Device is used for the sensing of liquid storage cylinder (1) interior two position.
Further, the lower part fast-assembling water filling is sealed with level sensing part by mobile water tank (5), water pump (6), fast-assembling
Interface C (7), fast-assembling sealed interface B (13), photoelectric level transducer C (14), control valve A (15), tee pipe fitting A (16), list
To valve (8), control valve B (17), tee pipe fitting B (18) compositions, wherein：It is downwards photoelectricity successively from fast-assembling sealed interface B (13)
Formula liquid level sensor C (14), control valve A (15), tee pipe fitting A (16), control valve B (17), tee pipe fitting B (18)；Three-way pipe
Check valve (8) is connect on the right side of part A (16), check valve (8) connects fast-assembling sealed interface C (7), water pump (6), mobile water successively from right to left
Case (5), liquid medium flow direction are directed toward the ends tee pipe fitting A (16) to be held from water pump (6)；The fast-assembling sealed interface B (13) is used for
With the quick connection of pipeline to be measured (12), photoelectric level transducer C (14) is sensed for this part water position status, control valve A
(15) it is used to carry out water filling to oil duct pipeline and the keying of penetration inspection process discharge water controls；Tee pipe fitting A (16) is for dividing
It is not connected with control valve A (15), check valve (8), control valve B (17), control valve B (17) is responsible for row/return water in the injecting process
Water before the closing in channel and penetration inspection between control valve A (15), control valve B (17) empties；Water pump (6)
It is responsible for providing water source to detection part from mobile water tank (5).
Further, pipeline to be measured (12) upper end passes through fast-assembling sealed interface A (11) and top fast-assembling level sensing
Part connects, and lower end is connect by fast-assembling sealed interface B (13) with lower part fast-assembling water filling with level sensing part.
Further, described device is electrically made of with master operation part industrial personal computer (3), wireless handheld controller (4),
Wherein：Industrial personal computer (3) passes through electric control circuit and photoelectric level transducer A (2), photoelectric level transducer B (10), light
Electric-type liquid level sensor C (14), control valve A (15), control valve B (17), water pump (6) connection, industrial personal computer (3) are responsible for acquisition sensing
Device data carry out control operation to control valve A (15), control valve B (17), water pump (6), and wireless handheld controller (4) has independence
Human-computer interaction interface can be communicated wirelessly with industrial personal computer (3) and be connect, realize to check device test process it is real-time monitoring and
Wireless handheld control operation.
Further, the engine oil channel pipeline Liquid penetrant testing device, the engine oil channel pipeline infiltration inspection are based on
Survey method includes the following steps：
1) it is connect with top fast-assembling level sensing part by fast-assembling sealed interface A (11) by pipeline (12) upper end to be measured,
Lower end is connect by fast-assembling sealed interface B (13) with lower part fast-assembling water filling with level sensing part；Passed through by the industrial personal computer (3)
Electric control circuit and photoelectric level transducer A (2), photoelectric level transducer B (10), photoelectric level transducer C
(14), control valve A (15), control valve B (17), water pump (6) connection；
2) control valve B (17) state is checked：Closing control valve B (17) opens control valve A (15)；Then start water pump (6), and
Timing is T1；Such as pass through standard time section Δ T1, photoelectric level transducer C (14) is not triggered yet, then shuts down water pump (6), and report
Alert prompt failure；Such as in standard time section Δ T1Internal trigger photoelectric level transducer C (14), then timing is T2；Using additional
Period Δ T2Afterwards, water pump (6) is shut down, and timing is T3；Such as pass through standard time section Δ T3(ΔT3>ΔT2), photoelectric liquid-levle
Sensor C (14) triggering state does not change yet, then control valve B (17) is normal；Such as in standard time section Δ T3Interior photoelectric liquid-levle
Sensor C (14) triggering state changes, then alarm failure, flow chart such as attached drawing 2；
3) control valve A (15) state is checked：After control valve B (17) status checkout qualification, it is further turned off control valve A (15)；
It is T to open control valve B (17), water between emptying control valve A (15), control valve B (17), and timing4；Such as pass through the standard time
Section Δ T4(ΔT4=Δ T3), photoelectric level transducer C (14) triggering state does not change yet, then control valve A (15) is normal；Such as
In standard time section Δ T4Interior photoelectric level transducer C (14) triggering state variation, then alarm failure, flow chart are for example attached
Fig. 3；
4) photoelectric level transducer C (14) state is checked：After control valve B (17), control valve A (15) status checkout qualification,
Control valve B (17) is opened, then opens control valve A (15)；When the variation of photoelectric level transducer C (14) triggering state, then close
Control valve A (15), by the lower part fast-assembling water filling and level sensing part observation window to calibration value on liquid level readings and scale
Whether upper and lower limit groove comparison check photoelectric level transducer C (14) state is correct, flow chart such as attached drawing 4；
5) photoelectric level transducer A (2) state is checked：It is sensed in control valve B (17), control valve A (15) and photoelectric liquid-levle
After device C (14) status checkout qualification, closing control valve B (17) opens control valve A (15), starts water pump (6), when photo-electric liquid
Level sensor A (2) is triggered, then timing is T5；Using Additional time period Δ T5Afterwards, water pump (6), closing control valve A are shut down
(15), control valve B (17), water between emptying control valve A (15), control valve B (17) section are opened；Then control valve A is opened
(15), when photoelectric level transducer A (2) triggering state changes, then (15) closing control valve A, pass through scale on liquid storage cylinder (1)
To liquid level readings, and, flow whether correct with calibration value upper and lower limit groove comparison check photoelectric level transducer A (2) state
Figure such as attached drawing 5；
6) photoelectric level transducer B (10) state is checked：After photoelectric level transducer A (2) status checkout qualification, open
Control valve A (15)；When photoelectric level transducer B (10) triggering state changes, then (15) closing control valve A, pass through liquid storage cylinder
(1) scale is compared to liquid level readings, and with calibration value upper and lower limit groove on, and photoelectric level transducer B (10) state of inspection is
It is no correct, flow chart such as attached drawing 6；
7) water filling of oil duct pipeline controls：Closing control valve B (17) opens control valve A (15), starts water pump (6), and timing is
T6；Such as pass through standard time section Δ T6(ΔT6=Δ T1), do not trigger photoelectric level transducer C (14) yet, then cut out the pump (6),
And alarm failure；Such as in standard time section Δ T6(14) photoelectric level transducer C under internal trigger, then timing is T7；As again
By safety time section Δ T7, photoelectric level transducer B (10) is not triggered yet, then shuts down water pump (6), and alarm event
Barrier；Such as in standard time section Δ T7Internal trigger photoelectric level transducer B (10), then timing is T8；Such as using safety time section
ΔT8, photoelectric level transducer A (2) is not triggered yet, then shuts down water pump (6), and alarm failure；Such as in standard time section
ΔT8Internal trigger photoelectric level transducer A (2), then timing is T9；Using Additional time period Δ T9Afterwards, water pump (6) is shut down,
Closing control valve A (15)；Then control valve B (17) is opened, water between control valve A (15), control valve B (17) section is emptied, and
Timing is T10；Such as using safety time section Δ T10(ΔT10>ΔT9), photoelectric level transducer A (2) is still triggered, then oil duct
Water filling control flow is completed；Such as in standard time section Δ T10Interior photoelectric level transducer A (2) triggering state variation, then alarm
Prompt failure, flow chart such as attached drawing 7；
8) oil duct pipeline Liquid penetrant testing：Control valve A (15) is opened, and timing is T11；Such as pass through safety time section Δ T11(ΔT11>
ΔT9), photoelectric level transducer A (2) is still triggered, then and alarm failure；Such as in standard time section Δ T11Interior photo-electric
Liquid level sensor A (2) triggering state changes, then timing is T12；Such as using safety time section Δ T12(ΔT12>ΔT8), still touch
The variation of photoelectric level transducer B (10) or photoelectric level transducer C (14) triggering state is sent out, then alarm failure；Such as
In standard time section Δ T12Interior photoelectric level transducer B (10) triggering state variation, then timing is T13；Such as using safety
Period Δ T13(ΔT13>ΔT7), photoelectric level transducer C (14) is still triggered, then alarm failure；Such as in the standard time
Section Δ T13Interior photoelectric level transducer C (14) triggering state variation, then timing is T14；Calculate Δ T14=T14–T13, it is denoted as oil
Road pipeline time of penetration, flow chart such as attached drawing 8.
Further, after the completion of Liquid penetrant testing of the engine oil channel pipeline, oil duct pipeline water filling control, oil duct pipe
Road Liquid penetrant testing step can be executed sequentially again, to obtain the multiple time of penetration repeated measures to same oil duct pipeline.
Further, the calibration value upper and lower limit groove takes photoelectric level transducer A (2), photoelectric level transducer
The Upper-lower Limit position of B (10) actual liquid levels when same liquid level state of value repeatedly triggers.
Further, the standard time section Δ T1, Δ T2, Δ T3, Δ T4, Δ T5, Δ T6, Δ T7, Δ T8, Δ T9, Δ
T10, Δ T11, Δ T12, Δ T13Value take the calibration value of engine oil channel pipeline Liquid penetrant testing device, and be stored in industrial personal computer
(3) in.
One embodiment of the present invention has been described in detail above, but the content be only the present invention preferable implementation
Example should not be construed as limiting the practical range of the present invention.All all the changes and improvements done according to the present patent application range
Deng, belong to the present invention patent covering scope within.
Claims (4)
1. a kind of engine oil channel pipeline penetrant detecting method, using a kind of engine oil channel pipeline Liquid penetrant testing device to starting
Oil passage pipeline carries out Liquid penetrant testing, which is characterized in that the engine oil channel pipeline Liquid penetrant testing device includes top fast-assembling
Level sensing part, lower part fast-assembling water filling and level sensing part, device electrically with master operation part, pipeline to be measured；
The top fast-assembling level sensing part is by liquid storage cylinder (1), photoelectric level transducer A (2), photoelectric level transducer
B (10), fast-assembling sealed interface A (11), overflow pipe (9) composition, wherein：Liquid storage cylinder (1) is transparent tapered tubular cavity, transparent pipe
Carry water level scale on wall, the volume of liquid storage cylinder (1) be greater than photoelectric level transducer A (2) to control valve A (15) it
Between pipe volume；Overflow pipe (9) is located at transparent conical pipe top, for preventing the liquid medium in liquid storage cylinder (1) from liquid storage cylinder
(1) top is overflowed, and overflow pipe (9) end connects the A mouths of tee pipe fitting B (18) by hose；Photoelectric level transducer A (2) with
Distances of the photoelectric level transducer B (10) in liquid storage cylinder (1) axial direction is known determining value, and two liquid level sensors are used for liquid storage
The sensing of chamber (1) interior two position；
The lower part fast-assembling water filling is with level sensing part by mobile water tank (5), water pump (6), fast-assembling sealed interface C (7), fast-assembling
Sealed interface B (13), photoelectric level transducer C (14), control valve A (15), tee pipe fitting A (16), check valve (8), control
Valve B (17), tee pipe fitting B (18) are formed, wherein：It is downwards photoelectric level transducer C successively from fast-assembling sealed interface B (13)
(14), control valve A (15), tee pipe fitting A (16), control valve B (17), tee pipe fitting B (18)；It is connect on the right side of tee pipe fitting A (16)
Check valve (8), check valve (8) connect fast-assembling sealed interface C (7), water pump (6), mobile water tank (5) successively from right to left, and liquid is situated between
Mass flow is directed toward the ends tee pipe fitting A (16) to be held from water pump (6)；The fast-assembling sealed interface B (13) is used for and pipeline to be measured
(12) quick connection, photoelectric level transducer C (14) for this part water position status sense, control valve A (15) for pair
Oil duct pipeline carries out water filling and the keying of penetration inspection process discharge water control；Tee pipe fitting A (16) for respectively with control valve A
(15), check valve (8), control valve B (17) are connected, and control valve B (17) is responsible for the closing of row/backwater channel in the injecting process,
And the water before penetration inspection between control valve A (15), control valve B (17) empties；Water pump (6) is responsible for from mobile water
In case (5) water source is provided to detection part；
Pipeline to be measured (12) upper end is connect by fast-assembling sealed interface A (11) with top fast-assembling level sensing part, lower end
It is connect with lower part fast-assembling water filling with level sensing part by fast-assembling sealed interface B (13)；
Described device is electrically made of with master operation part industrial personal computer (3), wireless handheld controller (4), wherein：Industrial personal computer
(3) it is passed by electric control circuit and photoelectric level transducer A (2), photoelectric level transducer B (10), photoelectric liquid-levle
Sensor C (14), control valve A (15), control valve B (17), water pump (6) connection, industrial personal computer (3) are responsible for acquisition sensing data, right
Control valve A (15), control valve B (17), water pump (6) carry out control operation, and wireless handheld controller (4) has independent human-computer interaction circle
Face can communicate wirelessly with industrial personal computer (3) and connect, and realize the real-time monitoring to check device test process and wireless handheld control
System operation；
Based on the engine oil channel pipeline Liquid penetrant testing device, the engine oil channel pipeline penetrant detecting method includes as follows
Step：
1) it is connect with top fast-assembling level sensing part by fast-assembling sealed interface A (11) by pipeline (12) upper end to be measured,
Lower end is connect by fast-assembling sealed interface B (13) with lower part fast-assembling water filling with level sensing part；Passed through by the industrial personal computer (3)
Electric control circuit and photoelectric level transducer A (2), photoelectric level transducer B (10), photoelectric level transducer C
(14), control valve A (15), control valve B (17), water pump (6) connection；
2) control valve B (17) state is checked：Closing control valve B (17) opens control valve A (15)；Then start water pump (6), and
Timing is T1；Such as pass through standard time section Δ T1, photoelectric level transducer C (14) is not triggered yet, then shuts down water pump (6), and report
Alert prompt failure；Such as in standard time section Δ T1Internal trigger photoelectric level transducer C (14), then timing is T2；Using additional
Period Δ T2Afterwards, water pump (6) is shut down, and timing is T3；Such as pass through standard time section Δ T3(ΔT3>ΔT2), photoelectric liquid-levle
Sensor C (14) triggering state does not change yet, then control valve B (17) is normal；Such as in standard time section Δ T3Interior photoelectric liquid-levle
Sensor C (14) triggering state changes, then alarm failure；
3) control valve A (15) state is checked：After control valve B (17) status checkout qualification, it is further turned off control valve A (15)；
It is T to open control valve B (17), water between emptying control valve A (15), control valve B (17), and timing4；Such as pass through the standard time
Section Δ T4(ΔT4=Δ T3), photoelectric level transducer C (14) triggering state does not change yet, then control valve A (15) is normal；Such as
In standard time section Δ T4Interior photoelectric level transducer C (14) triggering state changes, then alarm failure；
4) photoelectric level transducer C (14) state is checked：After control valve B (17), control valve A (15) status checkout qualification,
Control valve B (17) is opened, then opens control valve A (15)；When the variation of photoelectric level transducer C (14) triggering state, then close
Control valve A (15), by the lower part fast-assembling water filling and level sensing part observation window to calibration value on liquid level readings and scale
Whether upper and lower limit groove comparison check photoelectric level transducer C (14) state is correct；
5) photoelectric level transducer A (2) state is checked：It is sensed in control valve B (17), control valve A (15) and photoelectric liquid-levle
After device C (14) status checkout qualification, closing control valve B (17) opens control valve A (15), starts water pump (6), when photo-electric liquid
Level sensor A (2) is triggered, then timing is T5；Using Additional time period Δ T5Afterwards, water pump (6), closing control valve A are shut down
(15), control valve B (17), water between emptying control valve A (15), control valve B (17) section are opened；Then control valve A is opened
(15), when photoelectric level transducer A (2) triggering state changes, then (15) closing control valve A, pass through scale on liquid storage cylinder (1)
To liquid level readings, and it is whether correct with calibration value upper and lower limit groove comparison check photoelectric level transducer A (2) state；
6) photoelectric level transducer B (10) state is checked：After photoelectric level transducer A (2) status checkout qualification, open
Control valve A (15)；When photoelectric level transducer B (10) triggering state changes, then (15) closing control valve A, pass through liquid storage cylinder
(1) scale is compared to liquid level readings, and with calibration value upper and lower limit groove on, and photoelectric level transducer B (10) state of inspection is
It is no correct；
7) water filling of oil duct pipeline controls：Closing control valve B (17) opens control valve A (15), starts water pump (6), and timing is T6；
Such as pass through standard time section Δ T6(ΔT6=Δ T1), do not trigger photoelectric level transducer C (14) yet, then cut out the pump (6), and
Alarm failure；Such as in standard time section Δ T6Internal trigger photoelectric level transducer C (14), then timing is T7；Such as using
Safety time section Δ T7, photoelectric level transducer B (10) is not triggered yet, then shuts down water pump (6), and alarm failure；Such as
In standard time section Δ T7Internal trigger photoelectric level transducer B (10), then timing is T8；Such as using safety time section Δ T8,
Triggering photoelectric level transducer A (2) not yet, then shut down water pump (6), and alarm failure；Such as in standard time section Δ T8
Internal trigger photoelectric level transducer A (2), then timing is T9；Using Additional time period Δ T9Afterwards, water pump (6) is shut down, is closed
Control valve A (15)；Then control valve B (17), water between emptying control valve A (15), control valve B (17) section, and timing are opened
For T10；Such as using safety time section Δ T10(ΔT10>ΔT9), still trigger photoelectric level transducer A (2), then oil duct water filling
Control flow is completed；Such as in standard time section Δ T10Interior photoelectric level transducer A (2) triggering state changes, then alarm
Failure；
8) oil duct pipeline Liquid penetrant testing：Control valve A (15) is opened, and timing is T11；Such as pass through safety time section Δ T11(ΔT11>
ΔT9), photoelectric level transducer A (2) is still triggered, then alarm failure；Such as in standard time section Δ T11Interior photo-electric liquid
Level sensor A (2) triggering state changes, then timing is T12；Such as using safety time section Δ T12(ΔT12>ΔT8), still trigger
Photoelectric level transducer B (10) or photoelectric level transducer C (14) triggering state change, then alarm failure；Such as exist
Standard time section Δ T12Interior photoelectric level transducer B (10) triggering state variation, then timing is T13；Such as using it is safe when
Between section Δ T13(ΔT13>ΔT7), photoelectric level transducer C (14) is still triggered, then alarm failure；Such as in standard time section
ΔT13Interior photoelectric level transducer C (14) triggering state variation, then timing is T14；Calculate Δ T14=T14–T13, it is denoted as oil duct
Pipeline time of penetration.
2. a kind of engine oil channel pipeline penetrant detecting method according to claim 1, it is characterised in that：The engine
After the completion of Liquid penetrant testing of oil duct pipeline, oil duct pipeline water filling control, oil duct pipeline Liquid penetrant testing step can sequentially be held again
Row, to obtain the multiple time of penetration repeated measures to same oil duct pipeline.
3. a kind of engine oil channel pipeline penetrant detecting method according to claim 1, it is characterised in that：The calibration value
Upper and lower limit groove takes photoelectric level transducer A (2), photoelectric level transducer B (10) repeatedly to be touched in same liquid level state of value
The Upper-lower Limit position of actual liquid level when hair.
4. a kind of engine oil channel pipeline penetrant detecting method according to claim 1, it is characterised in that：When the standard
Between section Δ T1, Δ T2, Δ T3, Δ T4, Δ T5, Δ T6, Δ T7, Δ T8, Δ T9, Δ T10, Δ T11, Δ T12, Δ T13Value take and start
The calibration value of Oil passage pipeline Liquid penetrant testing device, and be stored in industrial personal computer (3).
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