CN108896791A - A kind of flying needle mould group for high speed flying probe tester - Google Patents
A kind of flying needle mould group for high speed flying probe tester Download PDFInfo
- Publication number
- CN108896791A CN108896791A CN201810746945.6A CN201810746945A CN108896791A CN 108896791 A CN108896791 A CN 108896791A CN 201810746945 A CN201810746945 A CN 201810746945A CN 108896791 A CN108896791 A CN 108896791A
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- CN
- China
- Prior art keywords
- needle
- flying
- mould group
- high speed
- resilient bezel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Measuring Leads Or Probes (AREA)
Abstract
The invention discloses a kind of flying needle mould groups for high speed flying probe tester, the syringe needle on the free end of needle folder is pressed from both sides and is vertically installed in including a needle, wherein, needle folder is vertically installed on the free end of rectangular resilient bezel including a rectangular resilient bezel and the fixed strip being connected in the fixing end of rectangular resilient bezel, the syringe needle.Flying needle mould group provided by the invention; the advance of syringe needle can be made with reverse paths to be always maintained at straight line vertical; without arc-shaped bend; to guarantee the vertical contact of syringe needle energy straight line and remove the test point on pad; it finally ensure that the accuracy, stability and speed of test; active force when simultaneously to flying needle needle contact pad has buffer function, can substantially weaken flying needle syringe needle to the impact force of pad, plays the role of protecting pad.
Description
Technical field
The present invention relates to a kind of flying probe tester more particularly to a kind of flying needle mould groups for high speed flying probe tester.
Background technique
Flying probe tester is to arrange that high density, the number of plies is more, wiring density is big, measuring point is apart from small pcb board (print for element
Printed circuit board) a kind of instrument for being tested, the insulation and conduction value of main measurement circuit plate.Tester generally uses " true value
Comparison and location method " can monitor test process and fault point in real time, guarantee the accuracy of test.Flying probe tester has
The features such as finer pitch is not limited by grid, and test is flexible, and speed is fast.
However, entire flying needle mould group is made of nonelastic material, and entirety has one in existing flying probe tester
Fixed hardness, in the test point on flying needle Rapid contact pad, the flying needle mould group with certain degree of hardness can apply one to pad
Fixed impact force damages pad.
Certainly, also have using the material production flying needle mould group with certain elastic characteristic, for this flying needle mould group, lead to
It is often the simple elastic rod for connecting needle, when syringe needle is close to pad direction, elastic rod one end is fixed, connecting needle
The other end generate elastic bending, and the syringe needle for being connected to the end follows elastic rod mobile, i.e., the motion path of syringe needle generates
The needle point of arc-shaped bend, syringe needle is no longer vertical with pad, then, in needle contact pad, needle point will necessarily deviate test
Point, even remotely from test point, to be had a huge impact to measuring accuracy.
Summary of the invention
It in view of the above deficiencies, can the purpose of the present invention is to provide a kind of flying needle mould group for high speed flying probe tester
The advance of syringe needle and reverse paths are made to be always maintained at straight line vertical, without arc-shaped bend, to guarantee syringe needle energy straight line
Vertical contact and the test point on removal pad, finally ensure that the accuracy, stability and speed of test, while to flying needle
Active force when needle contact pad has buffer function, can substantially weaken flying needle syringe needle to the impact force of pad, play protection
The effect of pad.
The technical scheme adopted by the invention to achieve the purpose is as follows：
A kind of flying needle mould group for high speed flying probe tester, which is characterized in that press from both sides and be vertically installed in needle including a needle
A syringe needle on the free end of folder, wherein needle folder includes a rectangular resilient bezel and is connected in the fixing end of rectangular resilient bezel
A fixed strip, which is vertically installed on the free end of rectangular resilient bezel.
As a further improvement of the present invention, one the is respectively formed on the right angle of four of rectangular resilient bezel insides
One arc groove.
As a further improvement of the present invention, first arc groove is semicircular arc.
As a further improvement of the present invention, it is respectively formed on the two opposite outer face of the rectangular resilient bezel free end
There is one first side groove corresponding with the first arc groove.
As a further improvement of the present invention, the fixed strip is prolonged from the fixing end inner side edge of rectangular resilient bezel to free end
It stretches, and the length of the fixed strip is less than the length of rectangular resilient bezel, width is less than the width of rectangular resilient bezel, makes in the rectangular bullet
Property frame in and be located at fixed strip periphery be formed with a U-shaped elastic deformation space.
As a further improvement of the present invention, in the rectangular resilient bezel free end edge integrally formed with a connection
Part, the syringe needle are set to connector free end.
As a further improvement of the present invention, the connector anterolateral surface is in same with rectangular resilient bezel anterolateral surface
On straight line, which is vertically installed in connector free end.
As a further improvement of the present invention, the connector is an elastic component, and a side is offered in the elastic component
Shape hole.
As a further improvement of the present invention, one second arc is respectively formed on four insides right angle of the square hole
Shape slot.
As a further improvement of the present invention, it is formed on the lateral surface of the elastic component corresponding with the second arc groove
Several second side grooves.
Beneficial effects of the present invention are：
(1) using the rectangular resilient bezel that there is special construction to design as the knot for adjusting flying needle syringe needle movement routine
Structure, in flying needle needle contact and removal test point, the deformation generated by rectangular resilient bezel in free end right angle causes freedom
The end movement routine at end does not generate bending, thus make syringe needle be able to maintain always originally perpendicular to the straight line path of pad forward with
It moves backward, i.e. the vertical contact of syringe needle energy straight line and the test point on removal pad, the advance of syringe needle and reverse paths are always
Keep straight line vertical, without arc-shaped bend, syringe needle perpendicular contact and removal test point, the needle point for preventing syringe needle are inclined
The phenomenon that from test point, ensure that the accuracy, stability and speed of test；
(2) using the rectangular elastic mount structure with elastic characteristic, active force when to flying needle needle contact pad has
Buffer function can substantially weaken flying needle syringe needle to the impact force of pad, play the role of protecting pad.
Above-mentioned is the general introduction of inventive technique scheme, below in conjunction with attached drawing and specific embodiment, is done further to the present invention
Explanation.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
Further to illustrate the present invention to reach the technical means and efficacy that predetermined purpose is taken, below in conjunction with attached drawing
And preferred embodiment, detailed description of specific embodiments of the present invention.
Fig. 1 is please referred to, the embodiment of the present invention provides a kind of flying needle mould group for high speed flying probe tester, including needle folder
1 and be vertically installed in needle folder 1 free end on a syringe needle 2, wherein the needle folder 1 include a rectangular resilient bezel 11 and connection
In the fixed strip 12 in the fixing end 111 of rectangular resilient bezel 11, which is vertically installed in the free end of rectangular resilient bezel 11
On 112.
When syringe needle 2 is close to the test point of board pads to be tested, since the fixing end 111 of rectangular resilient bezel 11 is solid
Due in needle holder, and free end 112 generates elastic deformation because pushing ahead.Specifically, rectangular 11 free end 112 of resilient bezel
Two right angles generate deformation simultaneously, because of the inhibition of the lateral right-angle side by fixing end 111 at front side edge right angle, cause
The deformation of front side edge right angle and angle becomes smaller, because of the inhibition of the lateral right-angle side by fixing end 111 at back side edge right angle, cause
The deformation of back side edge right angle and angle becomes larger.The deformation generated by two right angles of rectangular 11 free end 112 of resilient bezel, causes certainly
Bending is not generated by the end movement routine at end 112, so that syringe needle 2 be made to be able to maintain the straight line path perpendicular to pad originally always
It moves forward, i.e., the test point on the vertical contact pad of 2 energy straight line of syringe needle, the progress path of syringe needle 2 are always maintained at straight line and hang down
Directly, without arc-shaped bend；Similarly, when syringe needle 2 reversely removes test point, the free end 112 of rectangular resilient bezel 11 is anti-
To reset and reverse strain, it is able to maintain syringe needle 2 always and was reversely retreated perpendicular to the straight line path of pad originally.
In the present embodiment, one first arc groove is respectively formed on four insides right angle of the rectangular resilient bezel 11
113, it is preferred that first arc groove 113 is semicircular arc.By the design of the first arc groove of right angle 113, it is thinned right angle
Thickness, conducive to rectangular 11 free end 112 of resilient bezel two right angles generate deformation.
Meanwhile in order to further increase the freedom degree that two right angles of rectangular 11 free end 112 of resilient bezel generate deformation,
It is respectively formed on the two opposite outer face of rectangular 11 free end 112 of resilient bezel corresponding with the first arc groove 113
One first side groove 114.
In the present embodiment, the fixed strip 12 is prolonged from 111 inner side edge of fixing end of rectangular resilient bezel 11 to free end 112
It stretches, and the length of the fixed strip 12 is less than the length of rectangular resilient bezel 11, width is less than the width of rectangular resilient bezel 11, makes at this
A U-shaped elastic deformation space 115 is formed in rectangular resilient bezel 11 and positioned at 12 periphery of fixed strip.It is free in rectangular resilient bezel 11
While end 112 generates deformation, the two sides of rectangular resilient bezel 11 are driven to swing in 12 two sides of fixed strip, in the process of swing
In, 115 shape of U-shaped elastic deformation space generates adaptive change.
In rectangular 11 free end of resilient bezel, 112 edge integrally formed with a connection piece 116, which is set to
116 free end of connector.Specifically, 116 anterolateral surface of connector and rectangular 11 anterolateral surface of resilient bezel are in always
On line, which is vertically installed in 116 free end of connector.In the present embodiment, the connector 116 is an elastic component
116', and a square hole 1161 is offered in elastic component 116'.
Meanwhile it being respectively formed with one second arc groove 1162 on four insides right angle of the square hole 1161, preferably
, second arc groove 1162 is semicircular arc.By the design of the second arc groove of right angle 1162, it is thinned the thickness of right angle
Degree is conducive to elastic component 116' right angle and generates deformation.
Meanwhile in order to further increase the freedom degree that elastic component 116' right angle generates deformation, in the elastic component 116'
Lateral surface on be formed with several second side grooves 1163 corresponding with the second arc groove 1162.
In order to which more easily fixed strip 12 is fixed in needle holder, if the present embodiment offers on the fixed strip 12
Dry fixation hole 121, as long as fixed strip 12 can be fixed in needle holder by fixed screw.
In the present embodiment, the rectangular resilient bezel 11 is square structure, and can be square may be rectangle, excellent
Choosing, which is rectangle.
When specifically used, the present embodiment flying needle mould group is fixed in needle holder by fixed strip 12, in high speed
When flying probe tester is run, after position coordinates of the flying needle mould group in X-axis and Y-axis all regulate, it will be flown by Z axis regulating mechanism
Needle mould group is promoted to board pads direction to be tested, when the syringe needle 2 of flying needle mould group is close to pad test point, due to rectangular
The fixing end 111 of resilient bezel 11 is fixed in needle holder, and free end 112 generates elastic deformation because pushing ahead, to protect
Test point on the vertical contact pad of the 2 energy straight line of syringe needle of card flying needle mould group, the i.e. progress path of syringe needle 2 are always maintained at straight line
Vertically, without arc-shaped bend, it is conducive to improve measuring accuracy.Correspondingly, also there is phase in another side in board pads
Same flying needle mould group does identical movement, is combined by the flying needle mould group of board pads two sides, vertical simultaneously in pad two sides
The same test point on contact pad；Then, syringe needle 2 removes the test point, while the free end 112 of rectangular resilient bezel 11 is multiple
Position, and can reversely generate elastic deformation, to guarantee that syringe needle 2 can the vertical removal test point of straight line, i.e. the removal road of syringe needle 2
It is vertical that diameter is always maintained at straight line, without arc, is conducive to improve measuring accuracy, the test of the test point can be completed.It adopts
With flying needle mould group provided in this embodiment, traditional pen meter of universal meter can be replaced, by the movement of flying needle mould group, is contacted on circuit board
Each network measuring point, whether the route come in measuring circuit plate be connected or with the presence or absence of line short phenomenon.
The above described is only a preferred embodiment of the present invention, be not intended to limit the scope of the present invention,
Therefore technical characteristic same as or similar to the above embodiments of the present invention is used, and obtained other structures, in guarantor of the invention
Within the scope of shield.
Claims (10)
1. a kind of flying needle mould group for high speed flying probe tester, which is characterized in that press from both sides and be vertically installed in needle folder including a needle
Free end on a syringe needle, wherein needle folder includes a rectangular resilient bezel and being connected in the fixing end of rectangular resilient bezel
One fixed strip, the syringe needle are vertically installed on the free end of rectangular resilient bezel.
2. the flying needle mould group according to claim 1 for high speed flying probe tester, which is characterized in that in the rectangular bullet
Property four of frame insides right angle on be respectively formed with one first arc groove.
3. the flying needle mould group according to claim 2 for high speed flying probe tester, which is characterized in that first arc
Slot is semicircular arc.
4. the flying needle mould group according to claim 2 for high speed flying probe tester, which is characterized in that in the rectangular bullet
One first side groove corresponding with the first arc groove is respectively formed on the two opposite outer face of property frame free end.
5. the flying needle mould group according to claim 1 for high speed flying probe tester, which is characterized in that the fixed strip by
The fixing end inner side edge of rectangular resilient bezel extends to free end, and the length of the fixed strip is less than the length of rectangular resilient bezel, wide
Degree is less than the width of rectangular resilient bezel, makes to be formed with a U-shaped elastic deformation in the rectangular resilient bezel and positioned at fixed strip periphery
Space.
6. according to claim 1 to any flying needle mould group for high speed flying probe tester in 5, which is characterized in that
The rectangular resilient bezel free end edge is set to connector free end integrally formed with a connection piece, the syringe needle.
7. the flying needle mould group according to claim 6 for high speed flying probe tester, which is characterized in that before the connector
Lateral surface and rectangular resilient bezel anterolateral surface are on same straight line, which is vertically installed in connector free end.
8. the flying needle mould group according to claim 6 for high speed flying probe tester, which is characterized in that the connector is
One elastic component, and a square hole is offered in the elastic component.
9. the flying needle mould group according to claim 8 for high speed flying probe tester, which is characterized in that in the square hole
Four inside right angle on be respectively formed with one second arc groove.
10. the flying needle mould group according to claim 9 for high speed flying probe tester, which is characterized in that in the elasticity
Several second side grooves corresponding with the second arc groove are formed on the lateral surface of part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810746945.6A CN108896791A (en) | 2018-07-09 | 2018-07-09 | A kind of flying needle mould group for high speed flying probe tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810746945.6A CN108896791A (en) | 2018-07-09 | 2018-07-09 | A kind of flying needle mould group for high speed flying probe tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108896791A true CN108896791A (en) | 2018-11-27 |
Family
ID=64349303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810746945.6A Withdrawn CN108896791A (en) | 2018-07-09 | 2018-07-09 | A kind of flying needle mould group for high speed flying probe tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108896791A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607984A (en) * | 2021-06-28 | 2021-11-05 | 昆山兢美电子科技有限公司 | Flying probe testing machine and flying probe module thereof |
| CN115856370A (en) * | 2023-02-01 | 2023-03-28 | 苏州中熙精密电机有限公司 | Flying probe module and flying probe tester |
-
2018
- 2018-07-09 CN CN201810746945.6A patent/CN108896791A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607984A (en) * | 2021-06-28 | 2021-11-05 | 昆山兢美电子科技有限公司 | Flying probe testing machine and flying probe module thereof |
| CN113607984B (en) * | 2021-06-28 | 2022-05-31 | 昆山兢美电子科技有限公司 | Flying probe testing machine and flying probe module thereof |
| CN115856370A (en) * | 2023-02-01 | 2023-03-28 | 苏州中熙精密电机有限公司 | Flying probe module and flying probe tester |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181127 |
|
| WW01 | Invention patent application withdrawn after publication |