CN109521233A - Flying probe tester - Google Patents
Flying probe tester Download PDFInfo
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- CN109521233A CN109521233A CN201710854498.1A CN201710854498A CN109521233A CN 109521233 A CN109521233 A CN 109521233A CN 201710854498 A CN201710854498 A CN 201710854498A CN 109521233 A CN109521233 A CN 109521233A
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- 239000000523 sample Substances 0.000 title claims abstract description 95
- 238000001514 detection method Methods 0.000 claims abstract description 115
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- 238000012360 testing method Methods 0.000 claims description 39
- 230000006698 induction Effects 0.000 claims description 37
- 238000003825 pressing Methods 0.000 claims description 33
- 230000007246 mechanism Effects 0.000 claims description 29
- 230000007704 transition Effects 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 15
- 239000007787 solid Substances 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 2
- 239000000758 substrate Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 3
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- 238000000034 method Methods 0.000 description 3
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- 230000007423 decrease Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/073—Multiple probes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
The present invention provides a kind of flying probe testers comprising: jig installs above-mentioned detection probe；Clamp base removably supports above-mentioned jig；Driving structure is arranged in clamp base；Clamping structure, it is connect with driving structure, clamping structure has removal position and operating position, when clamping structure is in removal position, jig can slide into clamping structure or skid off from clamping structure, after jig slides into clamping structure, driving structure drives clamping structure to switch to operating position from removal position, and clamping structure clamping fixture is to limit the movement of jig；RFID chip is mounted on the outer wall of jig, for storing the extraneous information pre-entered.Effective solution of the present invention in the prior art jig be fixed by screws in there is a problem of taking time and effort when replacing jig in clamp base and the input of relevant parameter when replacement is to another identical equipment of same set of jig need manually easily to be made a fault again, input service amount it is larger.
Description
Technical field
The present invention relates to circuit board testing technical fields, and in particular to a kind of flying probe tester.
Background technique
Currently, in PCB testing field, due to the particularity of test, each item number require individually to open up it is a set of or
More set test fixtures.How many test point of PCB requires use when more fewer striplines are attached for testing on jig,
The standard jig that test equipment is all made of 32 or 64 is attached, if PCB has 1024 points, it is necessary to 16 64 control
Tool or 32 32 jigs, most of jig is more than at 1024 points in actual production.In order to which 1024 points on PCB are carried out
Test, needs to frequently replace jig.In the prior art, jig is equipped with probe, and jig is fixed by screws in clamp base,
Therefore all there is the case where taking time and effort in replacement jig every time, and position also inaccurate, situations such as failure is high, occurs now and then.
It is every in processing in existing production since the shape of each product and requirement are different in pcb board manufacturing industry
It is all the relevant parameter that jig is manually entered by on-site personnel before one product, jig replacement same set of in this way is to another
Corresponding parameter needs to re-enter again when identical equipment.Thus it will result in the thin of the technical level of on-site personnel
Heart degree is more demanding, to guarantee that the parameter inputted every time is identical, otherwise will make to produce when there is error in data
It can not be normally carried out, or even damage jig；In addition, duplicate input operation increases the unnecessary workload of operating personnel.
Summary of the invention
The main purpose of the present invention is to provide a kind of flying probe testers, solid by screw to solve jig in the prior art
It is scheduled in clamp base when replacing jig to exist and take time and effort and same set of jig is corresponding when replacement is to another identical equipment
Parameter input needs manually easily made a fault again, the problem that input service amount is larger.
To achieve the above object, the present invention provides a kind of flying probe testers, by the way that detection is arranged with probe contacts
The electrical detection of above-mentioned printed base plate is carried out in the contact for the printed base plate being arranged on device characterized by comprising control
Tool installs above-mentioned detection probe；Clamp base removably supports above-mentioned jig；Driving mechanism, it is above-mentioned by making
Jig retreats relative to the above-mentioned printed base plate being arranged on above-mentioned setting device and makes the above-mentioned above-mentioned print of detection probe contacts
Brush substrate；Reaction force sensor detects above-mentioned detection and visits when above-mentioned detection probe is contacted with above-mentioned printed base plate
Head bestow the pressing force of above-mentioned printed base plate and as the reaction force to above-mentioned driving mechanism；Control device, according to above-mentioned
The detected value of reaction force sensor drives above-mentioned driving mechanism, make above-mentioned detection probe with defined pressing force with control and
Above-mentioned printed base plate contact；Driving structure is arranged in clamp base；Clamping structure is connect with driving structure, clamping structure tool
There are removal position and operating position, when clamping structure is in removal position, jig can slide into clamping structure or tie from clamping
It is skidded off in structure, after jig slides into clamping structure, driving structure drives clamping structure to switch to operating position from removal position, presss from both sides
Locking structure clamping fixture is to limit the movement of jig；RFID chip is mounted on the outer wall of jig, extraneous defeated in advance for storing
The information entered.
Further, one in clamping structure and jig, which goes up, has sliding slot, on another in clamping structure and jig
With the sliding rail for being suitable for sliding in sliding slot.
Further, clamping structure is two gripping blocks being oppositely arranged, and forms sliding space between two gripping blocks, two
The opposite side of a gripping block has the groove being recessed inwardly, and groove forms sliding slot, and the opposite two sides of jig have outside
The flange of protrusion, flange form sliding rail, alternatively, the opposite side of two gripping blocks has the flange outwardly protruded, flange shape
At sliding rail, the opposite two sides of jig have the groove being recessed inwardly, and groove forms sliding slot.
Further, clamping structure is movably disposed relative to clamp base, and clamping structure is to close to clamp base
By applying pressing force to jig jig to be pressed in clamp base when direction is mobile.
Further, jig slides into clamping structure in the horizontal direction, and the upper surface of jig is greater than or equal to clamping structure
Upper surface.
Further, when clamping structure pressing jig, the upper surface of jig and the following table face contact of clamp base are simultaneously electrically connected
It connects.
Further, clamping structure moves along the vertical direction and is located at the lower section of clamp base.
Further, driving structure is cylinder, and the piston rod of cylinder is connect with clamping structure.
Further, driving structure is cylinder, and the number of cylinder is two, and two cylinders and two gripping blocks correspond
Connection, alternatively, the number of cylinder is four, each gripping block is connect with two cylinders.
It further, further include an induction coil, induction coil is mounted on the outer wall of jig by a fixing piece, RFID
Chip is clamped in the installation space between induction coil and the outer wall of jig.
Further, fixing piece include one contacted with the outer wall of jig setting the first fixed part and one by supporting element with
Spaced second fixed part of the outer wall of jig, is provided with a curved transition sections between the first fixed part and the second fixed part.
Further, the first fixed part is a horizontal element, and the second fixed part is vertically disposed two with the first fixed part
Vertical parts, curved transition sections are two, are separately positioned on the junction of two the second fixed parts and the first fixed part.
Further, the lower one end of curved transition sections and the first fixed part are affixed, the higher one end of curved transition sections with
Second fixed part is affixed, to form installation space between the second fixed part and the outer wall of jig.
Further, the first fixed part, the second fixed part and curved transition sections are integrally molded so as U-shaped structure.
Further, induction coil is fixed on one end that two the second fixed parts are not connect with the first fixed part.
Further, supporting element sequentially passes through the end of the second fixed part and induction coil and the outer wall of jig is fixed.
Further, one is provided on induction coil for connecting the plug of external antenna.
Further, the distance between external antenna and induction coil are 0~3mm.
Further, to the driving force pair of the reaction force of above-mentioned driving mechanism and the motor for driving above-mentioned driving mechanism
It answers.
Further, suitable with the reaction force to above-mentioned clamp base to the reaction force of above-mentioned driving mechanism, it is above-mentioned
The reaction force of clamp base be when above-mentioned detection probe press printed base plate when from the printed base plate by test section to folder
Has the reaction force of pedestal.
Technical solution of the present invention has the advantages that
1, flying probe tester provided by the invention when assembling fixture, jig is slid into clamping structure, driving is then passed through
Structure drives clamping structure to switch to operating position from position is changed, and at this moment clamping structure clamping fixture is existed with limiting the jig
The movement of operating position.When replacing jig, driving structure driving clamping structure is switched to from operating position changes position, at this moment will
Jig is skidded off from clamping structure, is then changed next jig and is installed, and installation process is as previously mentioned, herein no longer in detail
It repeats.Jig need to only be skidded off and be slid into when replacing jig by above structure, then be clamped jig by driving structure, be operated
Simplicity, it is time saving and energy saving, the time of replacement jig is reduced, reduces labor intensity, and then improve the efficiency of equipment.
2, flying probe tester provided by the invention, RFID chip are mounted on the outer wall of jig, extraneous preparatory for storing
The information of input.The relevant parameter of jig, which only needs on-site personnel to input in RFID chip, in this way can once store note
Recall, though jig replacement to another identical equipment in use, since the relevant parameter that pre-enters is by store-memory, by
This avoids the operation for manually repeatedly inputting data, effectively reduces manual operation bring error, simplifies jig phase
The input mode for closing parameter, greatly reduces failure rate.
3, flying probe tester provided by the invention, further includes an induction coil, and induction coil is mounted on by fixing piece and is controlled
On the outer wall of tool, RFID chip is clamped in the installation space between induction coil and the outer wall of jig, is not influencing jig just
Often under the premise of work, so that being more firmly mounted for RFID chip is reliable.Fixing piece includes one contacting and setting with the outer wall of jig
The first fixed part set and one passes through spaced second fixed part of outer wall of supporting element and jig, the first fixed part and second
A curved transition sections are provided between fixed part.This setup of fixing piece is before guaranteeing that induction coil and jig are fixed
It puts, so that the contact area of the outer wall of fixing piece and jig increases as far as possible, it is not in due to fixation that fixation is stronger
The phenomenon that loosening of part, induction coil falls off, while the outer wall of fixing piece, induction coil and jig plays the installation of RFID chip
To the effect further reinforced.
4, flying probe tester provided by the invention, induction coil are fixed on two the second fixed parts and do not connect with the first fixed part
The one end connect, RFID chip are clamped in the installation space between induction coil and the outer wall of jig.This is because fixing piece sheet
As a U-shaped structure, induction coil is fixed on to the opening of U-shaped structure, so that total is more firmly mounted, it will
RFID chip is clamped between induction coil and the outer wall of jig, will not only damage the structure of RFID chip itself in this way, but also logical
Crossing clamping action makes the attachment of the outer wall of RFID chip and jig stronger, and mounting means is simple and reliable.
5, flying probe tester provided by the invention, above-mentioned reaction force sensor is due to may be provided at the outer of driving mechanism
Portion, so even if in the case where being will test according to the purpose that electrically detects with probe replacement with jig together with, reaction force
Sensor also can still detect the reaction force to driving mechanism like that, without replacing reaction force sensor.
In addition, control device can make detection contact printed base plate with probe with pressing force appropriate by suitable control driving mechanism
Contact, and do not cause poor contact, be able to carry out high-precision electrical detection.In addition, reaction force sensor is without setting
It sets in the detection freedom degree popped one's head in its setting position near jig, can be improved.In turn, jig is removably mountable to fixture
On pedestal, when replacement is detected with probe, reaction force sensor is also connect with clamp base, thus be not required to remove and as before
It uses.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.In the accompanying drawings:
Fig. 1 shows the schematic perspective view of the embodiment of flying probe tester according to the present invention；
Fig. 2 shows the structural schematic diagrams that the jig of the flying probe tester of Fig. 1 does not slide into gripping block；
Fig. 3 is the main view of the jig provided in one embodiment of the present invention；
Fig. 4 is the partial enlargement diagram of Fig. 3；
Fig. 5 is the schematic structural diagram for indicating the major part of flying probe tester of suitable embodiment of the invention；
Fig. 6 is the plan view of flying probe tester；
Fig. 7 is the front elevation of flying probe tester；
Fig. 8 is the enlarged drawing for indicating the relationship of the predetermined member configured on the part of double dot dash line encirclement in Fig. 7；
Fig. 9 is the block diagram for indicating the electro-mechanical structures of flying probe tester.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As depicted in figs. 1 and 2, the flying probe tester of the present embodiment includes: clamp base 10, driving structure, clamping structure
With jig 30, driving structure is arranged in clamp base 10；Clamping structure is connect with driving structure, and clamping structure has dismounting position
It sets and operating position；When clamping structure is in removal position, jig 30 can slide into clamping structure or slide from clamping structure
Out, after jig 30 slides into clamping structure, driving structure drives clamping structure to switch to operating position from removal position, clamps knot
Structure clamping fixture 30 is to limit the movement of jig 30.
Using the flying probe tester of the present embodiment, when assembling fixture 30, jig 30 is slid into clamping structure, is then passed through
Driving structure drives clamping structure to switch to operating position from position is changed, and at this moment clamping structure clamping fixture 30 is described in limitation
Movement of the jig 30 in operating position.When replacing jig 30, driving structure driving clamping structure is switched to from operating position to be changed
Position, at this moment skids off jig 30 from clamping structure, then changes next jig 30 and is installed, for example preceding institute of installation process
It states, in this not go into detail.Above structure replace jig when only need to jig be skidded off and be slid into, then by driving structure into
Row clamping fixture, it is easy to operate, it is time saving and energy saving, the time of replacement jig is reduced, reduces labor intensity, and then improve equipment
Efficiency.
In the present embodiment, there is sliding slot 21 on clamping structure, there is the cunning for being suitable for sliding in sliding slot 21 on jig 30
Rail 31.The installation of jig and clamping structure, simple installation are realized by the cooperation of sliding slot and sliding rail.It is of course also possible to carry out such as
Lower setting: there is sliding slot on jig, there is the sliding rail for being suitable for sliding in sliding slot on clamping structure.
In the present embodiment, clamping structure is two gripping blocks 20 being oppositely arranged, and is formed and is slided between two gripping blocks 20
Dynamic space, the opposite side of two gripping blocks 20 have a groove being recessed inwardly, and groove forms sliding slot 21, jig 30 it is opposite
Two sides there is the flange that outwardly protrudes, flange forms sliding rail 31.The structure of clamping structure is simplified, manufacture difficulty is reduced.When
So, the structure of sliding slot and sliding rail may be set to be such as flowering structure: the opposite two sides of jig have the flange outwardly protruded, convex
Edge forms sliding rail, and flange support forms sliding slot in the top surface of gripping block, the top surface of gripping block.
In the present embodiment, clamping structure is arranged movably in a vertical direction relative to clamp base 10 and is located at fixture
The lower section of pedestal 10, jig 30 slide into clamping structure in the horizontal direction, and the upper surface of jig 30 is greater than or equal to clamping structure
Upper surface, by applying pressing force to jig 30 with by jig 30 when clamping structure is mobile to the direction close to clamp base 10
It is pressed in clamp base 10, when clamping structure pressing jig 30, the upper surface of jig 30 and the lower surface of clamp base 10 are connect
It touches and is electrically connected.Driving structure is cylinder, and the number of cylinder is four, and each gripping block 20 is connect with two cylinders, in fixture
Pedestal 10 is equipped with gas nozzle 50, and gas nozzle 50 is connected to cylinder.When replacing jig, gas nozzle air inlet, gripping block 20 is moved downwardly to pole
Limit will need the jig 30 changed to skid off from sliding slot at this time, the jig 30 for needing to change be slid into sliding slot, then gas nozzle goes out
Gas, gripping block, which moves upwards, clamps jig, and jig and clamp base have the consistent electrode of standard or contact terminal to carry out electrically
It can connect, so that jig is correspondingly connected with clamp base realization.Only the jig changed need to will be needed to skid off when above structure is replaced
It is slid into the jig changed, the movement of key replacement can be completed in the button by controlling cylinder.
It is appreciated that in other embodiments, the number of cylinder may be two, two cylinders and two gripping blocks 20
It connects one to one,
In the present embodiment, the lower surface of jig is equipped with the probe for test.Flying probe tester further includes square block 60
With rotary support 70, rotary support 70 is fixed in square block 60, and clamp base 10 is rotatably arranged in the rotary support 70
On.
A kind of specific embodiment of jig as shown in Figures 3 and 4,1 top of jig are equipped with fixture 2,2 top of fixture peace
It fills the rotary support 3 for controlling the rotation of fixture 2 and the square block 4 of 3 side of rotary support is set, square block 4 is for controlling fixture 2
Movement in the vertical direction, and then drive jig 1 that the rotary motion of horizontal direction and the movement of vertical direction occurs.RFID core
Piece 5 is mounted on the outer wall of the jig 1, for storing the extraneous information pre-entered.The relevant parameter of jig is by professional people
Member's primary property input storage in RFID chip 5 need to read RFID chip 5 when jig replacement is to another identical equipment
The data of storage are i.e. certifiable completely the same with previous data, greatly reduce failure rate caused by artificial input again.
It further include an induction coil 8, the induction coil 8 is mounted on the outer wall of the jig 1 by a fixing piece 6,
The RFID chip 5 is clamped in the installation space between the induction coil 8 and the outer wall of the jig 1.In the present embodiment
In, fixing piece 6 is mounted on the outer wall of jig 1 and fixture 2 simultaneously, also acts the effect of stationary fixture 2 and jig 1.Generally
RFID chip 5 and fixing piece 6 are mounted on jig 1 on inboard outer wall, not influence the installation of other component.
The fixing piece 6 includes that first fixed part 61 and one that setting is contacted with the outer wall of the jig 1 passes through support
Spaced second fixed part 62 of outer wall of part 7 and the jig 1, between first fixed part 61 and the second fixed part 62
It is provided with a curved transition sections 63.Since the first fixed part 61 and the outer wall of jig 1 directly contact setting, and the second fixed part 62
Certain space is reserved between the outer wall of jig 1, it is therefore desirable in the connection of the first fixed part 61 and the second fixed part 62
One transition part of place's setting, effectively to be connected.First fixed part 61 and the second fixed part 62 can pass through screw and jig 1
It is fixed, but the length for the screw being mounted on the second fixed part 62 is greater than the length for the screw being mounted on the first fixed part 61
Degree, to form the installation space of RFID chip 5.Certainly, supporting element 7 can also be other fasteners with certain length, such as
Pin etc..
First fixed part 61 is a horizontal element, and second fixed part 62 is sets vertical with first fixed part 61
Two vertical parts set, the curved transition sections 63 are two, are separately positioned on two second fixed parts 62 and described the
The junction of one fixed part 61.First fixed part 61, the second fixed part 62 and curved transition sections 63 can be metal material, with
Guarantee fastness.The distance between two second fixed parts 62 are not less than the length of RFID chip 5, to play to RFID chip 5
Certain protective effect.The lower one end of the curved transition sections 63 and first fixed part 61 are affixed, the arc-shaped transition
The higher one end in portion 63 and second fixed part 62 are affixed, with the outer wall of second fixed part 62 and the jig 1 it
Between form the installation space.First fixed part 61, the second fixed part 62 and curved transition sections 63 are integrally molded so as U-shaped knot
Structure, molding easy to process.
The induction coil 8 is fixed on one that two second fixed parts 62 are not connect with first fixed part 61
Fixed degree is reinforced to form the annular of a closure with U-shaped structure in end, the i.e. opening of U-shaped structure；The RFID core
Piece 5 is clamped in the installation space between the induction coil 8 and the outer wall of the jig 1, by induction coil 8 and jig 1
Outer wall between clamping action carry out secondary fixation, it is not necessary to damage chip itself, and solid and reliable.Certainly, RFID
Chip 5 or other chips with data storage function.
The supporting element 7 sequentially pass through second fixed part 62 and the induction coil 8 end and the jig 1
Outer wall is fixed.On the corresponding position of two ends of the second fixed part 62 one end and induction coil 8 far from the first fixed part 61
The through-hole for allowing supporting element 7 to pass through is offered, supporting element 7 is inserted into fixed in the outer wall of jig 1 after through-hole.
One is provided on the induction coil 8 for connecting the plug 81 of external antenna, plug 81 is close to induction coil 8
End setting.Specifically, the distance between the external antenna and the induction coil 8 are 0~3mm.Induction coil 8 and external
Signal between antenna is transmitted as line transmission, and the signal between RFID chip 5 and induction coil 8 is transmitted as being wirelessly transferred.
Fig. 5 is the general of the major part for the electrical detection device 10 of printed base plate for indicating suitable embodiment of the invention
Slightly structure chart.The electrode pattern (not shown) that is set to printed base plate 11 on of the electrical detection of detection device 10 as test object object
Whether electric conducting state appropriate is become.Electrical detection device 10 is by the setting for printed base plate 11 to be arranged in specified position
Device 20, the upper detection device 30 being movably disposed in the upside of printed base plate 11 and removable in the downside of printed base plate 11
The lower part detection device 40 being arranged dynamicly is constituted.
For printed base plate 11 by having the substrate of flexible rectangle to constitute, table back (i.e. upper and lower sides) two sides maintains regulation
It is spaced and is configured with the multiple contact 11a be connected with electrode pattern.Device 20, upper detection device 30 and lower part detection are set
Device 40, the electro-mechanical structures as shown in Fig. 6 and 7 are respectively formed the state that can be moved in the prescribed direction, and configure in base
On platform 12.12 upper part of base station forms frame-shaped, and the left and right ends portion on the top of base station 12 keeps specified interval and is oppositely disposed structure
At a pair of of fixation member 20a, 20b of setting device 20.
Fixation member 20a by along the edge part of the left side of base station 12 (referring to Fig. 6,7) setting guide rail (rail) 21a and can
A pair of of the handle sturcture 22a for moving setting along guide rail 21a is constituted.Each handle sturcture 22a includes: actuator 23a, by along phase
The cylinder extended for the direction (i.e. the left and right directions of Fig. 6 and 7) of the advance and retreat of printed base plate 11 is constituted；Component 24a is held,
Printed base plate 11 is held or opened by the driving of actuator 23a.
That is, respectively holding the front end of component 24a by a pair of of claw from the upper and lower edge part for holding fixing printing substrate 11
It constitutes.A pair of of handle sturcture 22a can make to be spaced apart from each other to be moved with broadening or narrow along guide rail 21a, can be according to printed base plate 11
Width adjusts its interval.In addition, being provided with edge and guide rail 21a in the two sides of the fixation member 20a of the upper left-hand of substrate 12
The extended a pair of guide rails 25a in vertical direction, fixation member 20a are configured to move along a pair of guide rails 25a.Fixation member
20a adjusts the position on guide rail 25a according to the length of printed base plate 11 to position.
Another fixation member 20b keeps specified interval to configure along the edge part on the right side (referring to Fig. 6,7) of base station 12.It is fixed
Component 20b is formed with fixation member 20a bilateral symmetry, and by guide rail 21b and along a pair of the removable configuration of guide rail 21b
Handle sturcture 22b is constituted.Each handle sturcture 22b is made of actuator 23b and holding component 24b.A pair of of handle sturcture 22b can make
It is spaced apart from each other and is moved along guide rail 21b with broadening or narrow, thus according to its interval of the width adjustment of printed base plate 11.
The both ends of the fixation member 20b configured on the substrate 12 are equipped with to be extended along the direction vertical with guide rail 21b
A pair of guide rails 25b, and fixation member 20b is set as to move along a pair of guide rails 25b.Fixation member 20b is according to printing base
The length of plate 11 carries out the positioning on left and right directions.
As described above, it is mobile with front-rear direction in left-right direction in figs. 6 and 7 to hold component 24a, 24b, and printing
Four corner appropriate locations of substrate 11 position, and front end clamps four corners of printed base plate 11, and in turn by slightly adjusting
Whole left and right directions and in the front-back direction position, thereon with the state support to the constant tension of printed base plate 11.
Guide rail 13a, 13b are set along the edge part respectively near the edge part in the front-back direction on the top of substrate 12.It can
14 location and installation of supporting station moved on the upside of a pair of guide rails 13a, 13b in the top of printed base plate 11, the supporting station 14 with
The state being erected between a pair of guide rails 13a, 13b is extended in front-rear direction.Upper detection device 30 is mounted on supporting station 14
On.Supporting station 14 can be along guide rail with the driving mechanism 15 of guide rail 13a, 13b rotary shaft 15a for extending in parallel setting by having
13a, 13b left and right directions are mobile.That is, upper detection device 30 is moved along guide rail 13a, 13b left and right directions together with supporting station 14.
In addition, having the drive of the track 16a and rotary shaft 16b that are extended on the direction vertical with guide rail 13a, 13b
Motivation structure 16 is mounted on supporting station 14.Upper detection device 30 is by the moving portion being slidably mounted in driving mechanism 16
31 and be mounted in the driving mechanism 16.That is, upper detection device 30 can be with moving portion 31 together along the length of driving mechanism 16
Direction is mobile.Moving portion 31 is set there are two motor 32.As a result, upper detection device 30 by the driving of one motor 32 and
Up and down direction is mobile, and is rotated centered on vertical axis by the driving of another motor 32.
Upper detection device 30 is mounted in moving portion 31 by supporting part 33 shown in Fig. 5 and 8.In supporting part 33
Lower part is equipped with lifting device 34, is moved in above-below direction by the driving of motor 32.In addition, clamp base 35 is mounted on liter
The lower part of falling unit 34.Detection probe 36, jig 39 and test section 37 are installed in the downside of clamp base 35.Test section
37 is mobile by the driving of motor 32 and lifting device 34 together up and down direction.
Reaction force sensor 38 is connected on motor 32, to detect the anti-work to the driving force of motor 32
Firmly.Reaction force sensor 38 is when the front end for making the decline of test section 37, detection probe 36 by the driving of motor 32
When being contacted with printed base plate 11, using the detection bestowed of detection printed base plate 11 is used pop one's head in 36 pressing force as motor 32 by
To reaction force and detected.Reaction force sensor 38 configures near aftermentioned control device 50.Above-mentioned moving portion
31, supporting part 33, lifting device 34, clamp base 35 and motor 32 constitute driving mechanism of the invention.
Lower part detection device 40 be mounted on a pair of guide rail 13a that can be set up along the front and back on the top of substrate 14,
On the mobile supporting station 17 in the downside of 13b.The downside of printed base plate 11 is arranged in supporting station 17, by having and a pair of guide rails
13a, 13b extend in parallel the driving mechanism 18 of the rotary shaft 18a of setting and move along guide rail 13a, 13b left and right directions.Therefore,
Lower part detection device 40 can be moved along guide rail 13a, 13b left and right directions together with supporting station 17.In addition, track and rotary shaft are constituted
Driving mechanism 19 be also mounted on supporting station 17.
Lower part detection device 40 is set in the moving portion 41 being movably mounted in driving mechanism 19, can be with the shifting
Dynamic portion 41 moves on the length direction of driving mechanism 19 together.Motor 42 there are two being set in moving portion 41.That is, lower part is detected
The up and down direction movement by the driving of a motor 42 of device 40, while by the driving of another motor 42 and with vertical axis
Centered on rotate.
Lower part detection device 40 is mounted in moving portion 41 by clamp base 43.It is equipped on the top of clamp base 43
Lifting device 44 moves clamp base 43 in above-below direction by the driving of motor 42.It is installed on the top of lifting device 44
There is clamp base 45.Detection probe 46, jig 49 and test section 47 are mounted on the top of clamp base 45.Jig 49 and inspection
It surveys and is removably mountable on test section 47 with probe 46.Test section 47 and lifting device 44 driven by motor 42
Up and down direction is mobile.
Reaction force sensor 48 is set on motor 42, thus reaction force of the detection to the driving force of motor 42.
Reaction force sensor 48 detects the front end with probe 46 and printing when rising test section 47 by the driving of motor 42
When substrate 11 contacts, the detection that printed base plate 11 is bestowed will be used pop one's head in 46 the reaction that is subject to as motor 42 of pressing force
Power and detected.The above-mentioned configuration of reaction force sensor 38 and 48 is near control device 50.
Above-mentioned detection pop one's head in 36,46 for example by be set to width 0.025mm, thickness 0.02mm, length 1.2mm it is fine
Material is formed.Each detection can for example carry out the deformation of 0.2mm or so with probe 36,46.Detection is easy with probe 36,46 as a result,
It is damaged because buckling or impacting.In addition, on the basis of above-mentioned various parts and mechanism, being additionally provided in electrical detection device 10
Control device 50, detection circuit 54 and operation panel (not shown) with CPU51, ROM 52 and RAM53 shown in Fig. 9.
In control device 50, ROM52 stores the regulated procedure for executing conduction detection, and CPU 51 executes the program.
I.e., implement various control actions by executing program by CPU 51, thus, suitable control driving mechanism 15,18 and driving machine
Structure 16,19 and motor 32,42 etc., as a result, test section 37,47 is moved respectively to specified position.Table 1 is stored in advance in RAM 53
Shown in pressing force calculate use data 53a.Pressing force calculating is for calculating before detection probe 36,46 with data 53a
End contacts the appropriate value of the pressing force occurred when printed base plate 11 and is made.As a result, according to the detection kind of probe 36,46
The parameter of class, number, configuration etc. calculates pressing force appropriate.
The pressing force calculating shown in table 1 is in data 53a, and detection is with probe 36,46 according to spring constant when deforming
It is divided into A, B, C three classes.I.e., A is 10g/2mm, and B is 20g/2mm, and C is 30g/2mm.The detection installed respectively on test section 37,47
100,150,200 and 500 four modes are set about various types of A, B, C with the number of probe 36,46.
About the detection configuration of probe 36,46, tri- modes of Pa, Pb, Pc are set according to distribution.For example, mode Pa
Indicate that detection keeps substantially uniform interval with 36,46 entirety of probe and configures the distribution on test section 37,47, mode Pb table
Show distribution of the detection with 36,46 big multi-configurations of probe on the central portion of test section 37,47, mode Pc indicates detection probe
36,46 a small amount of configurations are on the central portion of test section 37,47 and big distribution of the multi-configuration on peripheral portion.
The appropriate value of pressing force is calculated according to above-mentioned data, determines motor current necessary to generating appropriate pressing force
Value.The detection detection on state of probe 36,46 and the contact 11a of printed base plate 11 of detection circuit 54, will indicate its detection
As a result signal is exported to control circuit 50.Aforesaid operations disk be equipped be used to open the switch for closing electrical detection device 10 and
For inputting the operation key etc. of various data.
The conduction detection of printed base plate 11 is carried out with the electrical detection device 10 with above-mentioned such structure.Firstly,
Input the data of the detection probe 36,46 about the operation key for operating with operation panel.Secondly, the setting of printed base plate 11 is existed
It is arranged on device 20.At this moment, make fixation member 20a, 20b mobile so that a pair of hold component 24a's and a pair of of holding component 24b
Relative spacing is identical as the length of printed base plate 11.In addition, moving a pair of of handle sturcture 22a and a pair of handle sturcture 22b respectively
It is dynamic so that a pair of interval for holding component 24a and a pair of interval for holding component 24b are of same size with printed base plate 11 respectively.
Four corners of printed base plate 11 are clamped respectively by above-mentioned holding component 24a, 24b, thus with the tension constant to printed base plate 11
State support on it.
Secondly, by the way that driving mechanism 15,16 is driven and drives the motor 32 of moving portion 31, to make test section 37
It is moved to the top of the defined contact 11a of printed base plate 11.In addition, by the way that driving mechanism 18,19 is driven and drives shifting
The motor 42 in dynamic portion 41, thus make test section 47 be moved to printed base plate 11 defined contact 11a downside.And then it drives
Motor 42 rises test section 47, and detection is moved to the contact 11a of the downside of printed base plate 11 with probe 46.Later, it drives
Motor 32 declines test section 37, contacts detection with the contact 11a of the upside of printed base plate 11 with probe 36.
By above-mentioned movement, the reaction force for being pressed against the detection probe 36 of printed base plate 11 is transmitted by test section 37
Onto motor 32.Reaction force sensor 38 detects reaction force as a result, and detection signal gives the RAM of control device 50
53.CPU 51 executes data processing according to the program for being stored in ROM 52, is calculated and is pressed with data 53a according to above-mentioned pressing force calculating
The appropriate value of power compares the detected value of the appropriate value and reaction force sensor 38.In addition, calculating to generate pressing appropriate
Power and the current value for being supplied to motor 32.CPU 51 is visited by the current value drive motor 32 calculated to make to be used by detection
First 36 pressing forces bestowed on printed base plate 11 are consistent with the appropriate value of calculating.
Detection is contacted with pressing force appropriate with the contact 11a of printed base plate 11 with probe 36 as a result,.Under the state, lead to
It crosses and is powered by detection with probe 36 to carry out conduction detection.After conduction detection, decline test section 47, and make to detect
Portion 37 rises, and returns to original configuration status.And then the secondary above-mentioned movement of progress, make test section 37 relative to printed base plate 11
Next detection position it is mobile and execute conduction detection.Made by being repeated such one and interlocking, thus about printing base
Whole parts of plate 11 carry out conduction detection.
In the case where carrying out the conduction detection of printed base plate 11 using lower part detection device 40, apply detection with probe 46
The pressing force for giving printed base plate 11 is consistent with the desired value of calculating.That is, declining test section 37 and making detection probe 36 and print
In the state of the contact 11a contact of the upside of brush substrate 11, increase test section 47, makes detection probe 46 and printed base plate 11
Downside contact 11a contact.At this moment, detection with pop one's head in 46 bestow printed base plate 11 pressing force reaction force by detection
Portion 47 passes to motor 42.Reaction force sensor 48 detects the reaction force, which gives control device 50
RAM 53.
CPU 51 calculates the appropriate value of pressing force based on pressing force calculating according to detection signal with data 53a, and it is suitable to compare this
When the detected value of value and reaction force sensor 48.The electric current for generating suitable pressing force to motor 42 is calculated as a result,
Value.CPU 51 makes detection bestow the pressing force of printed base plate 11 with probe 46 and fit by the current value drive motor 42 calculated
When value is consistent.Implement conduction detection and being powered by detection with probe 46 under the state.
In the case where carrying out the conduction detection of other printed base plates of different sizes, the printed base plate 11 after detection
Four corners are removed from component 24a, 24b is held, and printed base plate 11 is taken out from electrical detection device 10, other printed base plates are set
It sets on setting device 20.Later, carry out movement above-mentioned, by hold component 24a, 24b set out be spaced and with above-mentioned printing
Four corners of substrate are corresponding, while being positioned.In turn, four corners of printed base plate are clamped by holding component 24a, 24b, thus
The printed base plate is fixed on specified position.The conduction detection of the printed base plate is implemented according to above-mentioned movement.
In addition, upper detection device 30 and lower part can also be made in the case where the conduction detection of the printed base plate of progress plate
Detection device 40 moves at the same time, while carrying out conduction detection.
In this way, detection bestows printed base plate 11 to detection probe 36,46 in the electrical detection device 10 of the present embodiment
The reaction force sensor 38,48 of the reaction force of pressing force is not arranged in test section 37,47, and it is attached to be mounted on control device 50
Closely.Reaction force sensor 38,48, which will test, uses probe 36,46 to bestow the pressing force of printed base plate 11 as by test section
37,47 and bestow the reaction force of motor 32,42, it is detected.Therefore, detection with probe 36,46 with test section 37,
47 when replacing together, does not also need replacement reaction force sensor 38,48, can use as before.
In addition, due to by control device 50 will test with probe 36,46 bestow printed base plate 11 pressing force control at
Value appropriate, so poor contact of the detection between 36, the 46 and contact 11a of printed base plate 11 of probe is not had, so as to
Carry out high-precision electrical detection.In addition, detection is suitable with can determine between 36, the 46 and contact 11a of printed base plate 11 of probe
Contact condition, so can prevent detection with probe 36,46 breakage.In addition, the detection of reaction force sensor 38,48 is to electronic
The reaction force of machine 32,42, so not only may be provided near control device 50, but also may be provided at any position (such as
Near moving portion 31,41).That is, the freedom degree of the setting position of reaction force sensor 38,48 can be increased.
The present invention is not necessarily defined to above-described embodiment, and can in the scope of the present invention that claims define into
Change in the various designs of row.For example, reaction force sensor 38,48 can be arranged in clamp base 35,45.At this moment, instead
The detection of force sensors 38,48 is when detection 36,46 pressing printed base plate 11 of probe from the printed base plate 11 by detection
The reaction force of 37, the 47 pairs of clamp bases 35,45 in portion.In such design alteration, replacement is not necessarily to when detecting with probe 36,46
Reaction force sensor 38,48 is replaced, and is used as before, so as to play the technical effect of the application.
In addition, upper detection device 30 and lower part detection device 40 are separately positioned on printed base plate 11 in the present embodiment
Above and below, but on a side of the up and down direction that single detection device can also be arranged in printed base plate 11.In addition, about
Various data and project shown in table 1 are also not necessarily to limit, can also suitably set can calculate pressing force appropriate this
Data, characteristic and the parameter of sample.
In addition, being horizontally disposed with printed base plate 11, but can also appoint about the setting direction of the printed base plate 11 in the present embodiment
Meaning setting.For example, being obliquely installed printed base plate 11, or it is vertically arranged.In the present embodiment, various driving mechanisms by motor 32,
42 drivings, but cylinder etc. can also be used in addition to motor.In addition, electrical detection of the invention is not limited to conduction detection,
It may include other electrical detections such as Insulation monitoring.
Table 1
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (20)
1. a kind of flying probe tester, by the contact for the printed base plate that detection is set with probe contacts on setting device come
Carry out the electrical detection of above-mentioned printed base plate characterized by comprising
Jig installs above-mentioned detection probe；
Clamp base removably supports above-mentioned jig；
Driving mechanism is made and making above-mentioned jig retreat relative to the above-mentioned printed base plate being arranged on above-mentioned setting device
The above-mentioned above-mentioned printed base plate of detection probe contacts；
Reaction force sensor detects above-mentioned detection probe when above-mentioned detection probe is contacted with above-mentioned printed base plate
Bestow the pressing force of above-mentioned printed base plate and as the reaction force to above-mentioned driving mechanism；
Control device, drives above-mentioned driving mechanism according to the detected value of above-mentioned reaction force sensor, makes above-mentioned inspection with control
It surveys and is contacted with defined pressing force with above-mentioned printed base plate with probe；
Driving structure is arranged in the clamp base；
Clamping structure is connect with the driving structure, and the clamping structure has removal position and operating position, in the clamping
When structure is in the removal position, the jig can slide into the clamping structure or skid off from the clamping structure,
After the jig slides into the clamping structure, the driving structure driving clamping structure switches to the work from the removal position
Make position, the clamping structure clamps the jig to limit the movement of the jig；
RFID chip is mounted on the outer wall of the jig, for storing the extraneous information pre-entered.
2. flying probe tester according to claim 1, which is characterized in that one in the clamping structure and the jig
It is upper that there is sliding slot, there is the sliding rail for being suitable for sliding in the sliding slot on another in the clamping structure and the jig.
3. flying probe tester according to claim 2, which is characterized in that
The clamping structure is two gripping blocks being oppositely arranged, and forms sliding space between two gripping blocks,
The opposite side of two gripping blocks has the groove being recessed inwardly, and the groove forms the sliding slot, described to control
The opposite two sides of tool have the flange outwardly protruded, and the flange forms the sliding rail, alternatively, the phase of two gripping blocks
To side there is the flange that outwardly protrudes, the flange forms the sliding rail, and the opposite two sides of the jig have inside
The groove of recess, the groove form the sliding slot.
4. flying probe tester according to claim 1, which is characterized in that the clamping structure is relative to the clamp base
It is movably disposed, is compressed when the clamping structure is to close to the movement of the direction of the clamp base by applying to the jig
Power is the jig to be pressed in the clamp base.
5. flying probe tester according to claim 4, which is characterized in that the jig slides into the clamping in the horizontal direction
In structure, the upper surface of the jig is greater than or equal to the upper surface of the clamping structure.
6. flying probe tester according to claim 1, which is characterized in that when the clamping structure compresses the jig, institute
It states the upper surface of jig and the following table face contact of the clamp base and is electrically connected.
7. flying probe tester according to claim 1, which is characterized in that the clamping structure moves along the vertical direction and position
In the lower section of the clamp base.
8. flying probe tester according to claim 1, which is characterized in that the driving structure is cylinder, the cylinder
Piston rod is connect with the clamping structure.
9. flying probe tester according to claim 3, which is characterized in that the driving structure is cylinder, the cylinder
Number is two, and two cylinders connect one to one with two gripping blocks, alternatively, the number of the cylinder is four
A, each gripping block is connect with two cylinders.
10. flying probe tester according to claim 1, which is characterized in that further include an induction coil, the induction coil
It is mounted on by a fixing piece on the outer wall of the jig, the RFID chip is clamped in the induction coil and the jig
In installation space between outer wall.
11. flying probe tester according to claim 10, which is characterized in that the fixing piece includes one and the jig
The first fixed part and one that outer wall contact is arranged pass through spaced second fixed part of outer wall of supporting element and the jig, institute
It states and is provided with a curved transition sections between the first fixed part and the second fixed part.
12. flying probe tester according to claim 11, which is characterized in that first fixed part is a horizontal element, institute
State the second fixed part be with vertically disposed two vertical parts of first fixed part, the curved transition sections be two, respectively
The junction of two second fixed parts and first fixed part is set.
13. flying probe tester according to claim 12, which is characterized in that the lower one end of the curved transition sections and institute
It is affixed to state the first fixed part, described higher one end of curved transition sections and second fixed part are affixed, with solid described second
Determine to form the installation space between portion and the outer wall of the jig.
14. flying probe tester according to claim 13, which is characterized in that first fixed part, the second fixed part and
Curved transition sections are integrally molded so as U-shaped structure.
15. flying probe tester according to claim 12, which is characterized in that the induction coil is fixed on two described
One end that two fixed parts are not connect with first fixed part.
16. flying probe tester according to claim 15, which is characterized in that it is solid that the supporting element sequentially passes through described second
The outer wall of the end and the jig of determining portion and the induction coil is fixed.
17. flying probe tester according to claim 10, which is characterized in that be provided with one on the induction coil for connecting
Connect the plug of external antenna.
18. flying probe tester according to claim 17, which is characterized in that the external antenna and the induction coil it
Between distance be 0~3mm.
19. flying probe tester according to claim 1, which is characterized in that reaction force and drive to above-mentioned driving mechanism
The driving force for moving the motor of above-mentioned driving mechanism is corresponding.
20. flying probe tester according to claim 1, which is characterized in that the reaction force of above-mentioned driving mechanism with it is right
The reaction force of above-mentioned clamp base is suitable, and the reaction force of above-mentioned clamp base is to pop one's head in press printing base when above-mentioned detection
When plate from the printed base plate by test section to the reaction force of clamp base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710854498.1A CN109521233A (en) | 2017-09-20 | 2017-09-20 | Flying probe tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710854498.1A CN109521233A (en) | 2017-09-20 | 2017-09-20 | Flying probe tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109521233A true CN109521233A (en) | 2019-03-26 |
Family
ID=65769592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710854498.1A Withdrawn CN109521233A (en) | 2017-09-20 | 2017-09-20 | Flying probe tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109521233A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109975692A (en) * | 2019-04-01 | 2019-07-05 | 成都天创精密模具有限公司 | A kind of pcb board removing method and pcb board grasping jig based on manipulator |
-
2017
- 2017-09-20 CN CN201710854498.1A patent/CN109521233A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109975692A (en) * | 2019-04-01 | 2019-07-05 | 成都天创精密模具有限公司 | A kind of pcb board removing method and pcb board grasping jig based on manipulator |
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Application publication date: 20190326 |
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