CN108614185A - A kind of anti-inserted test device of needle stand and ICT tester and its application method - Google Patents
A kind of anti-inserted test device of needle stand and ICT tester and its application method Download PDFInfo
- Publication number
- CN108614185A CN108614185A CN201810525458.7A CN201810525458A CN108614185A CN 108614185 A CN108614185 A CN 108614185A CN 201810525458 A CN201810525458 A CN 201810525458A CN 108614185 A CN108614185 A CN 108614185A
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- needle stand
- conduct piece
- test device
- switching mode
- casting die
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- 238000012360 testing method Methods 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title abstract description 5
- 238000005266 casting Methods 0.000 claims abstract description 48
- 230000001681 protective effect Effects 0.000 claims description 10
- 239000004020 conductor Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 238000010998 test method Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 13
- 238000011835 investigation Methods 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
Classifications
-
- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
- G01R31/68—Testing of releasable connections, e.g. of terminals mounted on a printed circuit board
- G01R31/69—Testing of releasable connections, e.g. of terminals mounted on a printed circuit board of terminals at the end of a cable or a wire harness; of plugs; of sockets, e.g. wall sockets or power sockets in appliances
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Measuring Leads Or Probes (AREA)
Abstract
The present invention discloses a kind of anti-inserted test device of needle stand and ICT tester and its application method, and the top bar of needle stand to be tested and tool difference in height of getting out of a predicament or an embarrassing situation, the anti-inserted test device of needle stand include：Switching mode casting die, it is internally provided with the first conduct piece and the second conduct piece adjustable in pitch, switching mode casting die have be pressed on the getting out of a predicament or an embarrassing situation of needle stand, the separation of the first conduct piece and the second conduct piece off-state, and be pressed on the top bar of needle stand, the conducting state of the first conduct piece and the conducting of the second conduct piece；Test circuit, the resistance value between first end and second end when for testing switching mode casting die in the conduction state and off-state.Needle stand is monitored automatically by the anti-inserted test device of needle stand, it solves and lacks the test equipment that whether needle stand is anti-inserted on test circuit plate in the prior art, operator is needed manually to be investigated one by one to circuit board, the problem that detection efficiency is low, investigation accuracy rate difference and investigation are of high cost.
Description
Technical field
The present invention relates to measurement jig technical fields, and in particular to a kind of anti-inserted test device of needle stand and ICT tester with
And its application method.
Background technology
With the continuous development of electronic technology, electronic product is just being enriched constantly our life, and circuit board is as it
In most important part, can the electronic component on circuit board, which correctly be installed, directly affects electronic equipment quality.Needle stand conduct
Common electric elements on circuit board, when being plugged into circuit board surface, the easy step direction by needle stand is anti-inserted causes contact pin position
It sets and shifts, if there is anti-inserted problem, the consistency of similar printed board can be influenced to make insert row and needle stand that can not lead to
Automation equipment grafting is crossed, or even can also change the arrangement mode of electronic element on circuit board causes what circuit board can not use to ask
Topic.
Lack the test equipment that whether needle stand is anti-inserted on test circuit plate in the prior art, if necessary to whether detect needle stand
Correct installation manually can only be investigated circuit board one by one by operator, the extremely low life for seriously affecting circuit board of detection efficiency
Efficiency is produced, and the mode manually investigated can not also ensure that investigating accuracy rate still has the anti-inserted unqualified production of a large amount of needle stands
Product.
Invention content
Therefore, technical problem to be solved by the present invention lies in lack the whether anti-inserted needle stand of detection needle stand in the prior art
Anti-inserted test device, artificial investigation needle stand can only be relied on, which to insert, leads to that its Detection accuracy is low, detection efficiency is poor and testing cost is high
The problem of.For this purpose, the present invention provides a kind of anti-inserted test device of needle stand, the top bar of needle stand to be tested and get out of a predicament or an embarrassing situation with one
Fixed difference in height, higher than getting out of a predicament or an embarrassing situation, the contact pin for being connected with insert row is located at gets out of a predicament or an embarrassing situation top bar.
The anti-inserted test device of needle stand includes
Switching mode casting die is internally provided with the first conduct piece and the second conduct piece adjustable in pitch, the switching mode casting die tool
Have be pressed on the getting out of a predicament or an embarrassing situation of the needle stand, the separation of first conduct piece and the second conduct piece off-state, and be pressed on institute
State the top bar of needle stand, the conducting state of first conduct piece and the conducting of the second conduct piece；
Test circuit, first end are electrically connected first conduct piece, and second end is electrically connected second conduct piece, for surveying
Try the first end when switching mode casting die is in the conducting state and the off-state and between the second end
Resistance value.
The switching mode casting die further includes so that the two is detached to first conduct piece and/or the application of the second conduct piece
The bias piece of biasing force, the switching mode casting die compress the top bar by overcoming the biasing force to make first conduct piece
It is connected with second conduct piece.
The bias piece is spring, the both ends of the spring respectively with first conduct piece and the second conduct piece phase
Even.
Resistance value of switching mode casting die when being in the conducting state between the first end and the second end becomes
It is bordering on 0.
First conduct piece and second conduct piece are metallic conductor.
The switching mode casting die further includes the protective case being set on the outside of first conduct piece and second conduct piece.
The switching mode casting die has exposed setting and is connect respectively with first conduct piece and second conduct piece
The first electric connecting terminal and the second electric connecting terminal, the first end is connected on first electric connecting terminal, and the second end connects
It is connected on second electric connecting terminal.
The test circuit includes：Ohmmeter, the ohmmeter are equipped with and both the first end and the second end
The connected positive wire of one, and with another cathode conductor being connected of both the first end and the second end.
A kind of ICT tester, including the anti-inserted test device of above-mentioned needle stand, the anti-inserted test device of needle stand are integrated in described
In the sky plate of ICT tester.
The test method of the anti-inserted test device of the needle stand, includes the following steps：
Make switching mode casting die move down pre-determined distance to be pressed on needle stand to be detected；
If the resistance value for the switching mode casting die that test circuit measures be level off to zero definite value, needle stand is anti-inserted；
If the resistance value for the switching mode casting die that test circuit measures is infinity, needle stand installation is correct.
Technical scheme of the present invention has the following advantages that：
1. the anti-inserted test device of needle stand provided by the invention, by that can be surveyed with the matched switching mode casting die of test circuit
Whether measurer has the needle stand of up/down steps difference in height anti-inserted, switching mode casting die be internally provided with the first conduct piece adjustable in pitch and
Second conduct piece, when the level altitude set is moved in the position of getting out of a predicament or an embarrassing situation of switching mode casting die towards preset needle stand on circuit board
In the process, can be pressed in needle stand top bar if the anti-inserted switching mode casting die of needle stand, top bar can stop switching mode casting die after
Continuous to move down that superposed first conduct piece is made with the second conduct piece to be connected, the resistance value that test circuit measures at this time is
Level off between first end and second end on first conduct piece and the second conduct piece zero fixed value resistance value；If needle stand is installed
Correct switching mode casting die can then install preset plan and be pressed on needle stand gets out of a predicament or an embarrassing situation, the preset falling head foot of switching mode casting die
Enough first conduct pieces and the second conduct piece will not contact close to each other be connected, at this time because the first conduct piece and the second conduct piece it
Between there is gap, air resistance when not being ionized is very big so the resistance value that test circuit measures is infinity.Pass through
Whether the above-mentioned anti-inserted test device of needle stand can be installed correctly with the needle stand on automatic detection circuit board, by observing change in resistance
Can determine whether needle stand is anti-inserted also has the advantages that detection efficiency is fast, and artificial investigation needle can only be relied in the prior art by avoiding
Seat, which is inserted, leads to the problem that its Detection accuracy is low, detection efficiency is poor and testing cost is high.
2. the anti-inserted test device of needle stand provided by the invention, by being arranged bias piece, bias piece is to the first conduct piece and the
The application of two conduct pieces makes the biasing force that they are separated from each other, to ensure that the first conduct piece and the second conduct piece will not be because of accidents
Factor is connected the result for making test circuit measure and mistake, the driving switch type when the second conduct piece is connected to top bar occurs
Casting die towards predetermined needle stand get out of a predicament or an embarrassing situation position movement the first conduct piece of drive force overcome biasing force that bias piece brings with
Second conduct piece be connected to make test circuit measure the first conduct piece and second conduct piece the two level off to zero definite value electricity
Resistance value.
3. the anti-inserted test device of needle stand provided by the invention has buying convenient, production is tieed up using spring as bias piece
Protect advantage at low cost.
4. the anti-inserted test device of needle stand provided by the invention is protected by being arranged on the outside of the first conduct piece and the second conduct piece
Sheath influences test circuit and measures the accurate of resistance for preventing other parts from touching the first conduct piece and/or the second conduct piece
Property, to influence the measurement result of the anti-inserted test device of needle stand.
5. the anti-inserted test device of needle stand provided by the invention, by setting the first conduct piece and the second conduct piece to metal
Conductor, the resistance value that test circuit measures when keeping switching mode casting die in the conduction state level off to 0, to avoid because of test electricity
The problem of road resistance range setting, the first conduct piece and the second conduct piece resistance that are measured in low resistance range are more than ohmmeter
Maximum value cause the illusion that resistance is infinitely great, make the anti-inserted test device of needle stand that can not accurately judge whether needle stand anti-inserted.
6. the anti-inserted test device of needle stand provided by the invention, test circuit includes ohmmeter, can be simple by ohmmeter
The effective resistance value measured between the first conduct piece and the first end and second end of the second conduct piece.
Description of the drawings
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 are briefly described, it should be apparent that, in being 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, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of needle stand anti-inserted test device when needle stand provided by the invention is anti-inserted；
Fig. 2 is the structural schematic diagram of needle stand anti-inserted test device when needle stand provided by the invention installs correct；
Fig. 3 is the structural schematic diagram of switching mode casting die provided by the invention；
Reference sign：
1- needle stands；2- top bars；3- gets out of a predicament or an embarrassing situation；4- switching mode casting dies；The first conduct pieces of 5-；The second conduct pieces of 6-；7- is surveyed
Try circuit；8- bias pieces；9- protective cases；The first electric connecting terminals of 10-；The second electric connecting terminals of 11-；12- ohmmeters；13- anodes are led
Line；14- cathode conductors；15- outer jointing jackets.
Specific implementation mode
Technical scheme 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
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other
It can be combined with each other at conflict.
Embodiment 1
The present embodiment provides a kind of ICT tester, needle stand as depicted in figs. 1 and 2 is provided in the sky plate of ICT tester
Anti-inserted test device, it is anti-inserted whether needle stand of the anti-inserted test device of needle stand for measuring on the circuit board being placed on support plate occurs
The problem of, applied to the needle stand 1 on circuit board it is most of have higher-height top bar 2 and it is a lower height of get out of a predicament or an embarrassing situation 3,
Contact pin for being connected with insert row, which is located at, gets out of a predicament or an embarrassing situation 3.
As shown in Figure 1 to Figure 3, the anti-inserted test device of the needle stand includes：
It is arranged in the sky plate of the ICT tester and is driven towards the switching mode casting die 4 of support plate movement by sky plate, it is described to open
Pass type casting die 4 include metal material resistance level off to zero the first conduct piece 5 and the second conduct piece 6, cylindrical structure it is described
First conduct piece 5 and second conduct piece 6 apply the biasing force of their separation to make first to lead by spring to the two
Gap between electric part 5 and the second conduct piece 6 is adjustable.The switching mode casting die 4 have be pressed on the needle stand 1 get out of a predicament or an embarrassing situation 3,
First conduct piece 5 and second conduct piece 6 are made the off-state of their separation by the partial pressure of the spring；With
Second conduct piece 6 is pressed on the top bar 2 of the needle stand 1, and the first conduct piece 5 is continued to decline to make first by the driving of sky plate
Conduct piece 5 be connected with the second conduct piece 6 conducting conducting state；The switching mode casting die 4 have it is exposed setting and respectively with institute
State the first electric connecting terminal 10 and the second electric connecting terminal 11 of the first conduct piece 5 and second conduct piece 6 connection；Wherein, Fig. 3 institutes
Show, guarantor is equipped on the side that first conduct piece 5 of cylindrical structure and described second conduct piece, 6 the two are located remotely from each other
Sheath 9, the spring be nested on the outside of the column and the both ends of spring respectively be nested in first conduct piece 5 and
9 end of protective case on second conduct piece 6 is fixedly linked；
Test circuit 7, including：Ohmmeter 12, ohmmeter 12 are in the conducting shape for testing the switching mode casting die 4
The resistance value between the second end in first end and the second conduct piece 6 when state and the off-state on the first conduct piece 5, institute
It states ohmmeter 12 to be equipped with the positive wire 13 being connected with first end, and the cathode conductor 14 being connected with second end.When
During the level altitude set is moved in the position of getting out of a predicament or an embarrassing situation of switching mode casting die towards preset needle stand on circuit board, such as gynophore
The anti-inserted switching mode casting die of seat can be then pressed in needle stand top bar, and top bar can stop that switching mode casting die continues to move down to make position
The first conduct piece in top is connected with the second conduct piece, and the resistance value that test circuit measures at this time is the first conduct piece and the
Level off between first end and second end on two conduct pieces zero fixed value resistance value；If needle stand installs correct switching mode casting die
Preset plan can be then installed to be pressed on needle stand gets out of a predicament or an embarrassing situation, enough first conduct pieces of the preset falling head of switching mode casting die and
Second conduct piece, which close to each other will not contact, to be connected, empty at this time because having gap between the first conduct piece and the second conduct piece
Gas resistance when not being ionized is very big so the resistance value that test circuit measures is infinity.Pass through the anti-inserted survey of above-mentioned needle stand
Whether trial assembly is set can be installed correctly with the needle stand on automatic detection circuit board, can determine whether that needle stand is by observing change in resistance
It is no it is anti-inserted also have the advantages that detection efficiency is fast, avoiding can only rely on artificial investigation needle stand to insert in the prior art lead to its detection
The problem that accuracy rate is low, detection efficiency is poor and testing cost is high.
The test method that the anti-inserted test device of needle stand on ICT tester is arranged in the present embodiment is as follows：
Make switching mode casting die 4 move down pre-determined distance to be pressed on needle stand 1 to be detected；
If the resistance value for the switching mode casting die 4 that test circuit 7 measures be level off to zero definite value, needle stand is anti-inserted；
If the resistance value for the switching mode casting die 4 that test circuit 7 measures is infinity, needle stand installation is correct.
Embodiment 2
Difference lies in as shown in figure 3, be nested with the protective case on second conduct piece 6 with embodiment 1 for the present embodiment
9, the side of the protective case 9 towards needle stand 1 is the prong structure for avoiding the contact pin in the top bar 2 of needle stand 1.By second
Protective case 9 on conduct piece 6 is set as tip and can effectively prevent the anti-inserted test device of needle stand protective case 9 in use
Be in contact the problem of damaging contact pin with contact pin.
Embodiment 3
Difference lies in 6 the two phases of first conduct piece 5 and second conduct piece with embodiment 1 for the present embodiment
It mutually is equipped with protective case 9 on separate side, two be separately positioned on first conduct piece 5 and second conduct piece 6
The outer protection for covering first conduct piece 5 and 6 coupling part of the second conduct piece is additionally provided between a protective case 9
Set 15.Outer jointing jacket 15, which is used to prevent other parts from touching the first conduct piece and the link position of the second conduct piece, influences test
Circuit measures the accuracy of resistance, to influence the measurement result of the anti-inserted test device of needle stand.
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 (10)
1. a kind of anti-inserted test device of needle stand, which is characterized in that the top bar (2) of needle stand (1) to be tested and (3) tool of getting out of a predicament or an embarrassing situation
There are the certain difference in height, the anti-inserted test device of needle stand to include
Switching mode casting die (4) is internally provided with the first conduct piece (5) adjustable in pitch and the second conduct piece (6), the switching mode pressure
Part (4) have be pressed on the getting out of a predicament or an embarrassing situation (3) of the needle stand (1), first conduct piece (5) and second conduct piece (6) divide
From off-state, and be pressed on top bar (2), first conduct piece (5) and second conduct piece of the needle stand (1)
(6) conducting state be connected；
Test circuit (7), first end are electrically connected first conduct piece (5), and second end is electrically connected second conduct piece (6),
For testing the first end and described when the switching mode casting die (4) is in the conducting state and the off-state
Resistance value between two ends.
2. the anti-inserted test device of needle stand according to claim 1, which is characterized in that the switching mode casting die (4) further includes
Apply the bias piece (8) for the biasing force for making the two detach to first conduct piece (5) and/or the second conduct piece (6), it is described
Switching mode casting die compresses the top bar (2) by overcoming the biasing force that first conduct piece (5) and described second is made to lead
Electric part (6) conducting.
3. the anti-inserted test device of needle stand according to claim 2, which is characterized in that the bias piece (8) is spring, described
The both ends of spring are connected with first conduct piece (5) and second conduct piece (6) respectively.
4. the anti-inserted test device of needle stand according to any one of claim 1-3, which is characterized in that the switching mode casting die
(4) resistance value when being in the conducting state between the first end and the second end levels off to 0.
5. the anti-inserted test device of needle stand according to claim 4, which is characterized in that first conduct piece (5) and described
Second conduct piece (6) is metallic conductor.
6. the anti-inserted test device of needle stand according to any one of claims 1-5, which is characterized in that the switching mode casting die
(4) further include the protective case (9) being set on the outside of first conduct piece (5) and second conduct piece (6).
7. the anti-inserted test device of needle stand according to any one of claim 1-6, which is characterized in that the switching mode casting die
(4) the first electric connecting terminal that there is exposed setting and connect respectively with first conduct piece (5) and second conduct piece (6)
(10) it is connected on first electric connecting terminal (10) with the second electric connecting terminal (11), the first end, the second end connection
On second electric connecting terminal (11).
8. the anti-inserted test device of needle stand according to any one of claim 1-7, which is characterized in that the test circuit
(7) include：Ohmmeter (12), the ohmmeter (12), which is equipped with, to be connected with both the first end and the second end one
Positive wire (13), and with another cathode conductor (14) being connected of both the first end and the second end.
9. a kind of ICT tester, it is characterised in that：Including the anti-inserted test device of needle stand described in any one of claim 1-8,
The anti-inserted test device of needle stand is integrated on sky plate and/or the floor of the ICT tester.
10. a kind of test method using the anti-inserted test device of needle stand described in any one of claim 1-9, feature exists
In including the following steps：
Make switching mode casting die (4) move down pre-determined distance to be pressed on needle stand to be detected (1)；
If the resistance value for the switching mode casting die (4) that test circuit (7) measures be level off to zero definite value, needle stand is anti-inserted；
If the resistance value for the switching mode casting die (4) that test circuit (7) measures is infinity, needle stand installation is correct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810525458.7A CN108614185B (en) | 2018-05-28 | 2018-05-28 | Needle seat reverse plug testing device, ICT tester and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810525458.7A CN108614185B (en) | 2018-05-28 | 2018-05-28 | Needle seat reverse plug testing device, ICT tester and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108614185A true CN108614185A (en) | 2018-10-02 |
| CN108614185B CN108614185B (en) | 2024-04-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810525458.7A Active CN108614185B (en) | 2018-05-28 | 2018-05-28 | Needle seat reverse plug testing device, ICT tester and use method thereof |
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| Country | Link |
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| CN (1) | CN108614185B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110320437A (en) * | 2019-07-01 | 2019-10-11 | 江西洪都航空工业集团有限责任公司 | A kind of two-way priming system plug connection status recognition methods |
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