CN105572450B - Power supply unit measuring device and its measurement method - Google Patents
Power supply unit measuring device and its measurement method Download PDFInfo
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- CN105572450B CN105572450B CN201410549669.6A CN201410549669A CN105572450B CN 105572450 B CN105572450 B CN 105572450B CN 201410549669 A CN201410549669 A CN 201410549669A CN 105572450 B CN105572450 B CN 105572450B
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- actuating mechanism
- power supply
- supply unit
- probe
- measuring device
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Abstract
A kind of power supply unit measuring device, it includes a pedestal, a pair of longitudinal actuating mechanism, a pair of of transverse actuating mechanism, a pair of of probe base and a pair of of lifting actuating mechanisms.Pedestal is set to longitudinal actuating mechanism.Each transverse actuating mechanism is movably disposed in corresponding longitudinal actuating mechanism respectively, and can be driven and horizontal displacement by longitudinal actuating mechanism.Each probe base is respectively arranged on each transverse actuating mechanism and each probe base and is movably uprightly provided with a probe respectively, each probe base can be driven and horizontal displacement by transverse actuating mechanism, and the direction of displacement of probe base and the direction of displacement of transverse actuating mechanism are mutually perpendicular to.Lifting actuating mechanism is set to probe base, linking probe and the vertical lifting of probe can be driven to be displaced.The power state of the electronic component on circuit board of the traveling probe to measure a power supply unit can be automated whereby.
Description
Technical field
The present invention about measuring device, it is espespecially a kind of can electronics on the circuit board of one power supply unit of automatic measurement
The electronic building brick measuring device of the power state of component.
Background technique
The measuring device of the power state for the electronic building brick being currently used in measuring circuit plate has generally comprised a pair of of probe
And it is connected to this oscillograph to probe.First a power supply unit is electrically connected in circuit board by common measurement method
(power supply) and a load simulator (Electrical Load/e Load) provide electricity by AC power supply device
The scheduled voltage of road plate one simulates a scheduled power termination to circuit board by load simulator.The measurement of the prior art is set
It is standby to hold the foot position that two probes contact each electronic component respectively manually, use the voltage obtained between two foot positions
Value, and by the wavy figure of its voltage value of oscilloscope display, each electronic building brick is then recorded in a manner of manual record again
Voltage value.Therefore, it is quite expended by the power state of electronic components a large amount of in the measuring device measuring circuit plate of the prior art
Time.
In view of this, the present inventor is directed to the above-mentioned prior art then, spy concentrates on studies and cooperates theoretical utilization, solves as possible
Certainly above-mentioned problem becomes the target of the present inventor's improvement.
Summary of the invention
The present invention provide it is a kind of can electronic component on the circuit board of one power supply unit of automatic measurement power state
Power supply unit measuring device and measurement method.
The present invention provides a kind of power supply unit measuring device, and it includes a pedestals, a pair of longitudinal actuating mechanism, a pair of of cross
To actuating mechanism, a pair of of probe base and a pair of of lifting actuating mechanism.Pedestal is set to longitudinal actuating mechanism.Each transverse actuating
Mechanism is movably disposed in corresponding longitudinal actuating mechanism respectively, and can be driven and horizontal position by longitudinal actuating mechanism
It moves.Each probe base is respectively arranged on each transverse actuating mechanism and each probe base and is movably uprightly provided with a probe respectively,
Each probe base can be driven and horizontal displacement by transverse actuating mechanism, the direction of displacement of probe base and the displacement of transverse actuating mechanism
Direction is mutually perpendicular to.Lifting actuating mechanism is set to probe base, linking probe and the vertical lifting of probe can be driven to be displaced.
Preferably, each longitudinal direction actuating mechanism includes a longitudinal screw and a zigzag tread patterns motor, longitudinal screw is horizontal
It is set on the base, zigzag tread patterns motor connects longitudinal screw and driving longitudinal screw axial direction rotation, each transverse actuating mechanism point
Corresponding longitudinal screw is not engaged.Two longitudinal screws are the interval configuration that is parallel to each other.Each transverse actuating mechanism is socketed separately respectively
One longitudinal screw.Each transverse actuating mechanism includes a transverse screw and a laterally driven motor, and transverse screw is horizontally disposed
And be mutually perpendicular to configure with longitudinal screw, laterally driven motor connects transverse screw and driving transverse screw axial direction rotation, each to visit
Needle stand engages corresponding transverse screw respectively.Each lifting actuating mechanism includes a lifting drive motor, goes up and down drive motor
Linking probe and driving probe axially vertical displacement.
Preferably, power supply unit measuring device above-mentioned, further include a driving unit, a control device, an oscillograph,
One recording device and an interface switching device.Driving unit is electrically connected zigzag tread patterns motor, laterally driven motor and liter
Drive motor drops, and driving unit can respectively drive zigzag tread patterns motor, laterally driven motor or lifting drive motor fortune
Turn.Control device is electrically connected driving unit and uses control driving unit.Oscillograph is electrically connected each probe, and recording device is electrical
Oscillograph is connected, interface switching device bridges between oscillograph and recording device.Interface switching device include specification it is different and
One first connector and one second connector being electrically connected with each other, oscillograph are electrically connected the first connector, recording device
It is then electrically connected the second connector, the first connector is GPIB specification and the second connector is USB specification.
The present invention separately provides a kind of power supply unit measurement method, the electricity on circuit board for measuring a power supply unit
The power state of subcomponent, each electronic component include a pair of of foot position.The step of power supply unit measurement method, includes: providing one
To longitudinal actuating mechanism, a pair of of transverse actuating mechanism, a pair of of probe and a pair of of lifting actuating mechanism；With each longitudinal actuating mechanism
Respectively driving corresponding transverse actuating mechanism drives horizontal displacement to being aligned each foot position respectively；With each transverse actuating mechanism difference
Drive the direction of displacement of corresponding probe vertical transverse actuating mechanism and horizontal displacement to being aligned each foot position respectively；With each lifting
Actuating mechanism respectively drives the corresponding vertical lifting of probe and is moved to the electric power for contacting each foot position respectively and measuring electronic component
State.
Preferably, power supply unit measurement method above-mentioned can provide the oscillograph for being electrically connected the respectively probe, and
With the power state of oscilloscope display electronic component.It can also provide be electrically connected oscillograph recording device, oscillograph and
An interface switching device can be bridged between recording device, and with the power state of recording device records electronic component.Its
One driving unit can also be provided and be electrically connected the control device of driving unit, each longitudinal direction is electrically connected in driving unit
Actuating mechanism, each transverse actuating mechanism and actuating mechanism is respectively gone up and down, and is made respectively with control device control driving unit driving
It is dynamic.The configuration diagram of electronic component can be loaded into the device processed so that the control device controls driving unit accordingly.
Power supply unit measuring device of the invention and measurement method can control driving unit difference by control device
Longitudinal actuating mechanism, transverse actuating mechanism and lifting actuating mechanism are driven, traveling probe can be automated whereby to measure
The voltage of electronic component on circuit board.
Detailed description of the invention
Fig. 1 is a stereoscopic schematic diagram of the power supply unit measuring device of first embodiment of the invention；
Fig. 2 is another stereoscopic schematic diagram of the power supply unit measuring device of first embodiment of the invention；
Fig. 3 is the side view of the power supply unit measuring device of first embodiment of the invention；
Fig. 4 is a configuration schematic diagram of the power supply unit measuring device of first embodiment of the invention；
Fig. 5 is a working state schematic representation of the power supply unit measuring device of first embodiment of the invention；
Fig. 6 is another working state schematic representation of the power supply unit measuring device of first embodiment of the invention；
Fig. 7 is another configuration schematic diagram of the power supply unit measuring device of first embodiment of the invention；
Fig. 8 is the flow chart of the power supply unit measurement method of second embodiment of the invention.
Wherein, appended drawing reference:
10 circuit boards
20 AC power supply devices
30 load simulators
100 pedestals
110 microscope carriers
200 longitudinal actuating mechanisms
210 longitudinal screws
220 zigzag tread patterns motors
300 transverse actuating mechanisms
301 pedestals
310 transverse screws
320 laterally driven motors
330 buffer bars
400 probe bases
401 probes
410 lifting actuating mechanisms
411 lifting drive motors
412 rubber belt tracks
510 driving units
520 control devices
610 oscillographs
620 recording devices
630 interface switching devices
631 first connectors
632 second connectors
700 computers
A~g step of the embodiment of the present invention
Specific embodiment
Refering to fig. 1 to Fig. 4, the first embodiment of the present invention provides a kind of power supply unit measuring device, includes a pedestal
100, a pair of longitudinal actuating mechanism 200, a pair of of transverse actuating mechanism 300, a pair of of probe base 400, a pair of of lifting actuating mechanism
410, a driving unit 510, a control device 520, an oscillograph 610, a recording device 620 and an interface switching device
630。
Refering to fig. 1 and Fig. 3 is provided with a microscope carrier 110 in this present embodiment on pedestal 100, and longitudinal actuating mechanism 200 is set
It is placed on pedestal.Each longitudinal direction actuating mechanism 200 has separately included a longitudinal screw 210 and a zigzag tread patterns motor 220, longitudinal
Screw rod 210 is horizontally set on pedestal 100.Two longitudinal screws 210 be parallel to each other interval configuration, and microscope carrier 110 configuration between
Between two longitudinal screws 210.Each zigzag tread patterns motor 220 is arranged in pedestal 100, and each zigzag tread patterns motor 220 is separately connected phase
Corresponding longitudinal screw 210, and each zigzag tread patterns motor 220 can respectively drive the axial rotation of corresponding longitudinal screw 210.
Refering to fig. 1 and Fig. 2, each transverse actuating mechanism 300 are movably disposed in longitudinal actuating mechanism 200, and energy respectively
Enough horizontal displacements by the driving of longitudinal actuating mechanism 200.In this present embodiment, each transverse actuating mechanism 300 is crossed on two respectively
On longitudinal actuating mechanism 200, and each transverse actuating mechanism 300 is able to by wherein one longitudinal driving of actuating mechanism 200 and position
It moves.Each transverse actuating mechanism has preferably separately included a pedestal 301, a transverse screw 310 and a laterally driven motor
320.Each pedestal 301 is all in long strip and is located on two longitudinal screws 210, and the one end engagement of pedestal 301 is corresponding vertical
To screw rod 210, the other end of pedestal 301 is then movably socketed another longitudinal screw 210.In each transverse actuating mechanism 300,
Its transverse screw 310 is horizontally placed on its pedestal 301, and transverse screw 310 and each longitudinal screw 210 above-mentioned are all in mutual
Arranged perpendicular.Each laterally driven motor 320 is respectively arranged on corresponding pedestal 301 and it connects transverse screw 310 and can
Drive the axial rotation of transverse screw 310.Longitudinal screw 210 can drive the transverse actuating mechanism 300 being meshed along it when rotating
Displacement, and the auxiliary guiding of longitudinal screw 210 that can be socket-connected when the displacement of transverse actuating mechanism 300.In this present embodiment, until
A buffer bar 330 can be equipped in a few wherein transverse actuating mechanism 300, buffer bar 330 is towards another transverse actuating mechanism 300
Configuration, preferably includes the end of soft tool elasticity, and connects pedestal 301 by a spring, and using prevents two transverse directions
Actuating mechanism 300 is mutually collided and is damaged when opposite mobile.
Refering to Fig. 2 and Fig. 3, each probe base 400 is respectively arranged at corresponding transverse actuating mechanism upper 300, each probe base
400 engage corresponding transverse screw 310 respectively, and transverse screw 310 can drive the probe base 400 being meshed along cross when rotating
To screw rod horizontal displacement, and the direction of displacement of probe base 400 and the direction of displacement of transverse actuating mechanism 300 are mutually perpendicular to.It is each to visit
Be respectively arranged with a probe 401 on needle stand 400, probe 401 be upright configuration and its can go up and down and live relative to probe base 400
It is dynamic.
Each lifting actuating mechanism 410 is respectively arranged on corresponding probe base 400, and each actuating mechanism 410 that goes up and down wraps respectively
Containing a lifting drive motor 411, goes up and down 411 linking probe 401 of drive motor and the axial vertical position of probe 401 can be driven
It moves.Being gone up and down between drive motor 411 and probe 401 in this present embodiment can preferably connect by rubber belt track 412, when
Buffer effect can be generated by the elasticity of rubber belt track 412 when being stopped during probe 401 is mobile, but the present invention is not with this
It is limited.
Refering to Fig. 4, driving unit 510 be electrically connected each zigzag tread patterns motor 220, each laterally driven motor 320 with
And each lifting drive motor 411, and driving unit 510 can respectively drive each zigzag tread patterns motor 220, each laterally driven motor
320 or each, which go up and down drive motor 411, operates.Control device 520 is electrically connected driving unit 510 and uses control driving unit 510
Each zigzag tread patterns motor 220, each laterally driven motor 320 or each lifting drive motor 411, control device 520 is driven to can be
One computer, but invention is not limited thereto.
Oscillograph 610 is electrically connected each probe 401, and recording device 620 is then electrically connected oscillograph 610, recording device 620
It can be a computer, but invention is not limited thereto.Interface switching device 630 bridge at oscillograph 610 and recording device 620 it
Between, it includes specification is different and one first connector 631 being electrically connected with each other and one second connector 632.Oscillograph 610
The first connector 631 is electrically connected by electronic wire, recording device 620 is then electrically connected the second company by electronic wire
Connect device 632.In this present embodiment, the first connector 631 is general purpose interface bus specification (GPIB/ corresponding with oscillograph 610
General Purpose Interface Bus)；And second connector 632 be general sequence corresponding with recording device 620
Column bus (USB) specification.
Refering to Fig. 5 and Fig. 6, power supply unit measuring device of the invention is used to measure the electronic component on a circuit board 10
Power state (such as voltage or electric current), in this present embodiment circuit board 10 be power supply unit used in, circuit board bearing in
It on microscope carrier and is in horizontal arrangement.An AC power supply device 20 and a load simulator 30 is electrically connected in circuit board 10
(Electrical Load/e Load), AC power supply device 20 can be a power supply unit, by AC power supply device 20
The scheduled voltage of circuit board 10 1 is provided, load simulator 30 simulates a scheduled power termination to circuit board 10.
Refering to Fig. 4 and Fig. 5, the element configuration figure of circuit board 10 is preloaded in control device 520, control device 520 will be electric
The coordinate value of each electronic component is exported to driving unit 510 on road plate 10, drives each zigzag tread patterns motor by driving unit 510
220 and each laterally driven motor 320 and each probe 401 is moved to above electronic component foot to be measured position respectively.
Refering to Fig. 4 and Fig. 6, then, drive each lifting drive motor 411 by driving unit 510 and will be under each probe 401
It is down to and contacts corresponding measured electronic elements foot position respectively, measurement data between two foot positions can be measured to obtain whereby.Work as spy
When needle 401 touches corresponding foot position, buffer effect can be generated by the elasticity of rubber belt track 412, avoid damaging whereby
Hurt circuit board 10 or electronic building brick thereon.
By the measurement data that oscillograph 610 can capture measured by probe, and show this measurement data relative to
The waveform of time changes.Measurement data above-mentioned is transmitted to recording device 620 via interface switching device 630, and is recorded
Device 620 is recorded.In this present embodiment, the measurement data being recorded in recording device 620 preferably can be by being preloaded in
The software of recording device is sent, sending method such as Email, but invention is not limited thereto.
Power supply unit measuring device of the invention can control driving unit 510 by control device 520 and respectively drive
Longitudinal actuating mechanism 200, transverse actuating mechanism 300 and lifting actuating mechanism 410.Traveling probe can be automated whereby
401 with the voltage of the electronic component in measuring circuit plate 10, and can capture measurement result by recording device 620.
Refering to Fig. 7, control device 520, recording device 620 can preferably be integrated in same computer 700, by computer
700 and can manipulate traveling probe 401 and capture measurement data.And AC power supply device 20 and load simulator 30 can also
With respectively pass through interface switching device 630 be connected to computer 700, whereby and can with computer 700 set AC power supply device 20 and
Load simulator 30.
Refering to Fig. 8, the second embodiment of the present invention provides a kind of power supply unit measurement method, for measuring as first is real
The power state of the electronic component on circuit board 10 described in example is applied, after power supply unit measurement method of the invention includes at least
Step a~step the d stated:
The power supply unit measuring device as described in first embodiment is provided in step a, it includes a pair of longitudinal causes
Motivation structure 200, a pair of of transverse actuating mechanism 300, a pair of of probe 401, a pair of of lifting actuating mechanism 410, a driving unit 510,
It is electrically connected an oscillograph 610 of each probe, be electrically connected a recording device 620 of oscillograph 610 and is electrically connected driving
One control device 520 of unit 510.Execute step b and step c after subsequent steps a, and step b and step c executes sequence
It can be interchanged.
Respectively driving corresponding 300 horizontal displacement of transverse actuating mechanism in step b with each longitudinal actuating mechanism 200 makes
Each transverse actuating mechanism 300 is aligned each foot position of measured electronic elements respectively；
Respectively driving corresponding 401 horizontal displacement of probe in step c with each transverse actuating mechanism 300 makes each probe
401 are aligned each foot position of measured electronic elements, and the direction of 401 horizontal displacement of probe and 300 water of transverse actuating mechanism respectively
The direction that prosposition moves is mutually perpendicular to.Being respectively completed step b and step c may make probe 401 to be located at the top of each foot position.
Respectively driving corresponding probe 401 vertical lifting displacement in step d with each lifting actuating mechanism 410 makes each probe
401 contact corresponding each foot position respectively, and measure each foot position by probe 401 and this two foot position of measured electronic elements can be obtained
Between power state.
Power supply unit measurement method of the invention optionally further includes subsequent steps e~step h.
The power state of electronic building brick measured by probe 401 can be shown by oscillograph 610 in step e.Yu Bu
The power state of electronic building brick measured by probe can be recorded in rapid f by recording device 620.
In step g, the electronic building brick configuration diagram of circuit board 10 is preloaded into control device 520, and control dress
Connecting execution step b~d can be automated by the software or program preloaded in it by setting 520, and control device 520 is according to before
The configuration diagram control driving unit 510 stated respectively drives each longitudinal actuating mechanism 200, each transverse actuating mechanism 300 and each liter
It drops actuating mechanism 410 and distinguishes actuation and traveling probe 401, by making each probe 401 sequentially contact each electronics to be measured on circuit board
The foot position of component.
Traveling probe 401 can be automated by power supply unit measurement method of the invention with continuous measuring circuit plate 10
On electronic building brick voltage, and can by recording device 620 capture measurement result.
The foregoing is merely presently preferred embodiments of the present invention, non-to limit claims of the invention,
It uses the equivalence changes of patent spirit of the invention, should all belong to claims of the invention.
Claims (14)
1. a kind of power supply unit measuring device, the electric power shape of the electronic component on circuit board for measuring a power supply unit
State, characterized by comprising:
One pedestal,
A pair of of longitudinal direction actuating mechanism, is set to the pedestal；
A pair of of transverse actuating mechanism, respectively the transverse actuating mechanism is movably disposed in the corresponding longitudinal direction actuator respectively
Structure, and can be driven and horizontal displacement by the longitudinal direction actuating mechanism；
A pair of of probe base is respectively arranged at the respectively transverse actuating mechanism and is respectively movably uprightly provided with respectively on the probe base
One probe, respectively the probe base can be driven and horizontal displacement by the transverse actuating mechanism, the direction of displacement of the probe base and the cross
It is mutually perpendicular to the direction of displacement of actuating mechanism；And
A pair of lifting actuating mechanism, is set to the probe base, which connects the probe and can drive the probe
Vertical lifting displacement；
Wherein respectively the probe is connected with a rubber belt track；
Wherein at least wherein a transverse actuating mechanism is equipped with a buffer bar, and the buffer bar is towards another transverse actuating mechanism
It sets.
2. power supply unit measuring device as described in claim 1, which is characterized in that respectively the longitudinal direction actuating mechanism includes one
Longitudinal screw and a zigzag tread patterns motor, the longitudinal screw is horizontally disposed on the base, and zigzag tread patterns motor connection should
Longitudinal screw and the longitudinal screw axial direction rotation is driven, respectively the transverse actuating mechanism engages the corresponding longitudinal screw respectively.
3. power supply unit measuring device as claimed in claim 2, which is characterized in that two longitudinal screws are between being parallel to each other
Every configuration.
4. power supply unit measuring device as claimed in claim 3, which is characterized in that respectively the transverse actuating mechanism is socketed respectively
Another longitudinal screw.
5. power supply unit measuring device as claimed in claim 2, which is characterized in that respectively the transverse actuating mechanism includes one
Transverse screw and a laterally driven motor, the transverse screw is horizontally disposed and is mutually perpendicular to configure with the longitudinal screw, the cross
The transverse screw is connected to drive motor and drives the transverse screw axial direction rotation, and respectively the probe base engages corresponding be somebody's turn to do respectively
Transverse screw.
6. power supply unit measuring device as claimed in claim 5, which is characterized in that respectively the lifting actuating mechanism includes one
Drive motor is gone up and down, which connects the probe and drive the probe axially vertical displacement.
7. power supply unit measuring device as claimed in claim 6, which is characterized in that further include a driving unit, the driving
Unit is electrically connected the zigzag tread patterns motor, the laterally driven motor and the lifting drive motor, and the driving unit can
Respectively drive the zigzag tread patterns motor, the laterally driven motor or lifting drive motor operating.
8. power supply unit measuring device as claimed in claim 7, which is characterized in that further include a control device, the control
Device is electrically connected the driving unit and uses the control driving unit.
9. power supply unit measuring device as described in claim 1, which is characterized in that further include an oscillograph, the oscillograph
It is electrically connected the respectively probe.
10. power supply unit measuring device as claimed in claim 9, which is characterized in that further include a recording device, the record
Device is electrically connected the oscillograph.
11. power supply unit measuring device as claimed in claim 10, which is characterized in that an interface switching device is further included,
The interface switching device bridges between the oscillograph and the recording device.
12. power supply unit measuring device as claimed in claim 11, which is characterized in that the interface switching device includes specification
One first connector and one second connector different and be electrically connected with each other, the oscillograph are electrically connected first connection
Device, the recording device are then electrically connected second connector.
13. power supply unit measuring device as claimed in claim 12, which is characterized in that first connector is GPIB specification
And second connector is USB specification.
14. a kind of power supply unit measurement method, power supply unit measuring device as described in claim 1 is to measure the electricity
The step of power state of subcomponent, each electronic component include a pair of of foot position, the power supply unit measurement method, it is special
Sign is, includes:
Power supply unit measuring device as described in claim 1 is provided,
A configuration diagram of the electronic component is loaded into the power supply unit measuring device；
The power supply unit measuring device, according to the mobile respectively probe of the configuration diagram to each foot position is contacted respectively, with measurement
The power state of the electronic component；
The power state of the electronic component is noted down with the power supply unit measuring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410549669.6A CN105572450B (en) | 2014-10-17 | 2014-10-17 | Power supply unit measuring device and its measurement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410549669.6A CN105572450B (en) | 2014-10-17 | 2014-10-17 | Power supply unit measuring device and its measurement method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105572450A CN105572450A (en) | 2016-05-11 |
| CN105572450B true CN105572450B (en) | 2018-12-14 |
Family
ID=55882812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410549669.6A Active CN105572450B (en) | 2014-10-17 | 2014-10-17 | Power supply unit measuring device and its measurement method |
Country Status (1)
| Country | Link |
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| CN (1) | CN105572450B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4272892A (en) * | 1979-08-10 | 1981-06-16 | Omnicomp, Inc. | Automatic test probe positioning apparatus |
| JP2000338167A (en) * | 1999-05-31 | 2000-12-08 | Nidec-Read Corp | Circuit board inspection device |
| DE10220343B4 (en) * | 2002-05-07 | 2007-04-05 | Atg Test Systems Gmbh & Co. Kg Reicholzheim | Apparatus and method for testing printed circuit boards and probes |
| US8008938B2 (en) * | 2007-10-24 | 2011-08-30 | King Yuan Electronics Co., Ltd. | Testing system module |
| CN204116437U (en) * | 2014-10-17 | 2015-01-21 | 群光电能科技股份有限公司 | Power supply unit measuring equipment |
-
2014
- 2014-10-17 CN CN201410549669.6A patent/CN105572450B/en active Active
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| CN105572450A (en) | 2016-05-11 |
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