CN208334567U - A kind of ICT tester - Google Patents
A kind of ICT tester Download PDFInfo
- Publication number
- CN208334567U CN208334567U CN201820810397.4U CN201820810397U CN208334567U CN 208334567 U CN208334567 U CN 208334567U CN 201820810397 U CN201820810397 U CN 201820810397U CN 208334567 U CN208334567 U CN 208334567U
- Authority
- CN
- China
- Prior art keywords
- testing
- electrolytic capacitor
- conduct piece
- probe
- needle stand
- 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.)
- Withdrawn - After Issue
Links
- 238000012360 testing method Methods 0.000 claims abstract description 116
- 239000003990 capacitor Substances 0.000 claims abstract description 72
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 239000000523 sample Substances 0.000 claims description 55
- 238000005266 casting Methods 0.000 claims description 38
- 238000012545 processing Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 6
- 238000005868 electrolysis reaction Methods 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 17
- 230000001681 protective effect Effects 0.000 description 7
- 238000005259 measurement Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000000463 material Substances 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
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Landscapes
- Tests Of Electronic Circuits (AREA)
Abstract
The utility model discloses a kind of ICT tester, including sky plate, be driven towards circuit board component side it is mobile；Electrical component pin mechanism for testing is arranged in sky plate, is located at whether the electrical component on component side can be used normally for test pin；The anti-inserted mechanism for testing of electrolytic capacitor is arranged in sky plate, and whether the electrolytic capacitor on testing element face is anti-inserted；The anti-inserted mechanism for testing of needle stand is arranged in sky plate, and whether needle stand to be tested is anti-inserted on testing element face.By being arranged electrical component pin mechanism for testing, the anti-inserted mechanism for testing of electrolytic capacitor and the anti-inserted mechanism for testing of needle stand in sky plate simultaneously, the technical issues of solution, is that the sky plate testing functionality of ICT tester in the prior art is single, lack comprehensive inspection to electrical component on circuit board component face is located at, the problem that whether different electrical components are anti-inserted on circuit board component face can not be checked simultaneously.
Description
Technical field
The utility model relates to test fixture technical fields, and in particular to a kind of ICT tester for detection circuit board.
Background technique
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, quality is related to the performance and quality of product itself.In order to guarantee that board quality just needs ICT to survey
Examination instrument tests circuit board, and ICT is a kind of high-precision electronic component performance detection apparatus, and principle is equivalent to one
The multimeter of a large size is connected using probe with the test point of element to acquire electrical parameter, then by the processing of software, is come real
Existing fault test is controllable.Existing ICT tester, which mainly passes through the probe being arranged on needle plate, carries out the pin face of circuit board
Detection, lacks the detection for being directed to the component side of circuit board, and the test function of ICT tester is single.
In order to effectively be detected to the component side of circuit board, in the prior art such as Chinese patent literature
CN203965580U, as shown in fig. 7, disclosing a kind of ICT test fixture for detection circuit board plug connector, including sky plate
101, support plate 102 and needle plate 103 further include upper probe 104, are set to 101 lower surface of sky plate, and are placed on the support plate
The plug connector pin of circuit board on 102 is corresponding；Lower probe 105, be set to 103 lower surface of needle plate, be set to the load
Through-hole on plate 102 is corresponding；When the sky plate 101 pushes, the lower probe 105 passes through the through-hole on the support plate 102
It is contacted with circuit board solder joint, the upper probe 104 is contacted with the plug connector pin on circuit board, thus trigger signal.
Upper probe, which is arranged, in above-mentioned ICT test fixture in sky plate can survey the pin being located on circuit board component face
Examination, but its sky plate testing functionality is single, sky plate can not detect electrolytic capacitor and needle on pcb board component side simultaneously
Whether seat occurs leaking slotting or anti-inserted problem, lacks comprehensive inspection to electrical component on circuit board component face is located at.
Utility model content
Therefore, the technical problem to be solved by the utility model is to the tests of the sky plate of ICT tester in the prior art
It is functional single, lack comprehensive inspection to electrical component on circuit board component face is located at, can not check simultaneously positioned at circuit board
The whether anti-inserted problem of different electrical components on component side.For this purpose, the utility model provides a kind of ICT tester, including
Sky plate, be driven towards the circuit board component side it is mobile；
Electrical component pin mechanism for testing is arranged in the sky plate, is located on the component side for test pin
Whether electrical component can be used normally；
The electrolytic capacitor in the sky plate, for testing on the component side is arranged in the anti-inserted mechanism for testing of electrolytic capacitor
It is whether anti-inserted；
The anti-inserted mechanism for testing of needle stand is arranged in the sky plate, is for testing needle stand to be tested on the component side
It is no anti-inserted.
The anti-inserted mechanism for testing of electrolytic capacitor includes being driven and being located on the circuit board component face by the sky plate
First probe of electrolytic capacitor shell electrical connection and respectively with first probe, the positive terminal of the electrolytic capacitor and described
First test circuit of the negative pole end electrical connection of electrolytic capacitor, described first tests the first probe and the electricity described in circuit measuring
Solve the resistance value between the anode of capacitor and the resistance value between first probe and the cathode of the electrolytic capacitor.
The anti-inserted mechanism for testing of electrolytic capacitor further includes signal processing module, and the signal processing module receives described the
The resistance value that one test circuit measures is compared with predetermined resistance value, judges whether the electrolytic capacitor is anti-inserted.
The first test circuit includes: ohmmeter, measures the anode of first probe and the electrolytic capacitor respectively
Between resistance value and first probe and the cathode of the electrolytic capacitor between resistance value.
The locating piece for fixing the circuit board is additionally provided in the sky plate, the locating piece is first towards the circuit board
The pressure head that there is area to be greater than the locating piece cross-sectional area for the one end in part face.
The needle stand to be tested has the top bar of certain altitude difference and gets out of a predicament or an embarrassing situation, the anti-inserted mechanism for testing packet of needle stand
Switching mode casting die and the second test circuit are included, the switching mode casting die includes the first conduct piece and the second conduct piece, the switch
Type casting die have be pressed on it is described get out of a predicament or an embarrassing situation, the off-state of first conduct piece and second conduct piece separation, and support
It is pressed in the on state of the top bar, first conduct piece and second conduct piece conducting；The second test circuit
First end be electrically connected first conduct piece, second end is electrically connected second conduct piece, measures at the switching mode casting die
The resistance value when on state and the off-state between the first end and the second end.
The switching mode casting die further includes separating the two 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.
Resistance value of switching mode casting die when being in the on state between the first end and the second end becomes
It is bordering on 0.
The second test circuit includes ohmmeter, and the ohmmeter is equipped with and the first end and the second end two
The connected positive wire of person's one, and with another cathode conductor being connected of both the first end and the second end.
The electrical component pin mechanism for testing includes and pin phase that the electrical component on the component side is arranged in
Corresponding second probe, second probe is driven by the sky plate to be connected with the pin.
The test method of the anti-inserted mechanism for testing of the needle stand, includes the following steps:
Make switching mode casting die downwardly preset the mobile pre-determined distance in shift position to be pressed on needle stand to be detected；
If the resistance value of 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.
The pre-determined distance be when needle stand install when correct second conduct piece is pressed on described get out of a predicament or an embarrassing situation the first conduct piece and
Second conduct piece is not attached to；First conduct piece and the second conduction when needle stand is anti-inserted, the second conduct piece is pressed on the top bar
Part is connected.The default shift position is the position of needle stand when needle stand installs correct got out of a predicament or an embarrassing situation.
The technical solution of the utility model has the advantages that
1. ICT tester provided by the utility model, by by electrical component pin mechanism for testing, the anti-inserted survey of electrolytic capacitor
Test-run a machine structure and the anti-inserted mechanism for testing of needle stand are arranged in sky plate simultaneously, to make sky plate in direction for placing the support plate of circuit board
The each mechanism for testing being located in sky plate in moving process can be simultaneously to the electrical component pin on circuit board component face, electrolysis
Capacitor and needle stand are carried out while being detected, and above-mentioned testing agency is all disposed in sky plate can be completed at the same time by the lifting of sky plate
Multinomial detection work, increases detection efficiency significantly, without individually detecting to the components on circuit board component face, improves
Detectability of the ICT tester for circuit board component face.
2. ICT tester provided by the utility model, the anti-inserted mechanism for testing of electrolytic capacitor includes that the first probe and first are surveyed
Try circuit, by first test the first probe of circuit measuring and the anode of electrolytic capacitor between resistance value and the first probe and
Resistance value between the cathode of electrolytic capacitor, because all identical and positive with characteristics such as a batch of electrolytic capacitor its material sizes
With electrolytic capacitor shell, the resistance between cathode and electrolytic capacitor shell is definite value, is tested when electrolytic capacitor installation is correct
The resistance value between resistance value and the first probe and the cathode of electrolytic capacitor between first probe and the anode of electrolytic capacitor
As standard value, by measuring the first probe on each circuit board and electrolytic capacitor just during circuit board batch testing
Resistance value and standard value between the resistance value of interpolar and the first probe and electrolytic capacitor cathode relatively can determine whether electrolytic capacitor
Whether anti-inserted, above-mentioned test method is simple and reliable, and testing efficiency is high.
3. ICT tester provided by the utility model, the anti-inserted mechanism for testing of electrolytic capacitor further includes signal processing module, letter
Number processing module receives the resistance value that the first test circuit measures and is compared with predetermined resistance value, and it is electric can to judge automatically electrolysis
Whether appearance is anti-inserted, no longer needs to effectively save cost of labor by artificial contrast's resistance value.
4. ICT tester provided by the utility model, the first test circuit is ohmmeter, can simply have by ohmmeter
Between resistance value and the first probe and the cathode of electrolytic capacitor between the first probe of measurement and the anode of electrolytic capacitor of effect
Resistance value.
5. ICT tester provided by the utility model, by the way that face is arranged in its end of the locating piece for fixing circuit board
The biggish pressure head of product avoids compressing its end of locating piece on circuit boards because the problems in stress collection damages circuit board, leads to
Circuit board can be effectively protected by crossing setting pressure head.
6. ICT tester provided by the utility model can be measured by the switching mode casting die matched with test circuit
Whether the needle stand with up/down steps difference in height is anti-inserted, and the first conduct piece adjustable in pitch and the are equipped with inside switching mode casting die
Two conduct pieces, when the fixed height mistake that the position movement of getting out of a predicament or an embarrassing situation of switching mode casting die towards needle stand preset on circuit board is set
Cheng Zhong can be pressed in needle stand top bar if the anti-inserted switching mode casting die of needle stand, and top bar can stop switching mode casting die to continue
It moves down to making superposed first conduct piece be connected with the second conduct piece, testing the resistance value that circuit measures at this time is the
Level off between first end and second end on one conduct piece and the second conduct piece zero fixed value resistance value；If needle stand is installed just
True switching mode casting die then will be installed preset plan and be pressed on needle stand gets out of a predicament or an embarrassing situation, and the preset falling head of switching mode casting die is enough
First conduct piece and the second conduct piece, which close to each other will not contact, to be connected, at this time because between the first conduct piece and the second conduct piece
With gap, air resistance when not being ionized is very big so the resistance value that test circuit measures is infinity.By upper
It states whether the anti-inserted test device of needle stand can be installed correctly with the needle stand on automatic detection circuit board, is by observing change in resistance
Can determine whether needle stand is anti-inserted also has the advantages that detection efficiency is fast, and avoiding in the prior art can only be by artificial investigation needle stand
Inserting leads to the problem that its Detection accuracy is low, detection efficiency is poor and testing cost is high.
7. ICT tester provided by the utility model, by the way that bias piece is arranged, bias piece is led to the first conduct piece and second
Electric part applies the biasing force for being separated from each other them, to guarantee that the first conduct piece and the second conduct piece will not be because of unexpected factors
Being connected, which makes to test the result that circuit measures, occurs mistake, the driving switch type casting die when the second conduct piece is connected to top bar
Bias piece bring biasing force and second are overcome towards predetermined needle stand mobile the first conduct piece of drive force in position of getting out of a predicament or an embarrassing situation
Conduct piece be connected to make to test circuit measure the first conduct piece and second conduct piece the two level off to zero fixed value resistance value.
8. ICT tester provided by the utility model, by switching mode casting die is in the conductive state when first end and institute
It states the resistance value between second end and is set as leveling off to 0, to avoid the problem that because of test circuitous resistance range setting, small
The maximum value that the first conduct piece and the second conduct piece resistance measured when resistance range is greater than ohmmeter causes resistance for infinity
Illusion, make the anti-inserted test device of needle stand that can not accurately judge whether needle stand anti-inserted.
9. ICT tester provided by the utility model, the second probe by that will be used to detect pin is arranged in sky plate,
When the test point in the pin face of circuit board is blocked or when without test point, can be tested by probe and be located at circuit board component face
On test point, in sky plate be arranged probe effective solution IPM intelligent object survey is realized the problem of pin face is without test point
Examination is controllable.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic perspective view of the sky plate part of ICT tester provided by the utility model；
Fig. 2 is the connection schematic diagram of electrolytic capacitor provided by the utility model and the anti-inserted mechanism for testing of electrolytic capacitor；
Fig. 3 is the structural schematic diagram of needle stand anti-inserted test device when needle stand provided by the utility model is anti-inserted；
Fig. 4 is the structural schematic diagram of needle stand anti-inserted test device when needle stand provided by the utility model installs correct；
Fig. 5 is the schematic perspective view of locating piece provided by the utility model；
Fig. 6 is the connection signal of the pin and electrical component pin mechanism for testing on electrical component provided by the utility model
Figure；
Fig. 7 is the schematic perspective view of ICT test fixture in the prior art.
Description of symbols:
1- sky plate；2- circuit board；3- electrical component pin mechanism for testing；4- electrical component；5- pin；The second probe of 6-；
The anti-inserted mechanism for testing of 7- electrolytic capacitor；8- electrolytic capacitor；The first probe of 9-；10- positive terminal；11- negative pole end；12- needle stand is anti-inserted
Mechanism for testing；Needle stand 13- to be tested；14- top bar；15- gets out of a predicament or an embarrassing situation；The first conduct piece of 16-；The second conduct piece of 17-；18-
Locating piece；19- pressure head；20- bias piece；21- ohmmeter；22- positive wire；23- cathode conductor；101- sky plate；102- support plate；
103- needle plate；The upper probe of 104-；Probe under 105-.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can be combined with each other.
Embodiment 1
The present embodiment provides a kind of ICT testers, as shown in Figure 1, ICT tester includes
Sky plate 1, the component side for being driven towards the circuit board 2 by cylinder are mobile；
Electrical component pin mechanism for testing 3, as shown in fig. 6, being arranged in the sky plate 1 comprising with setting described
Corresponding second probe 6 of pin 5 of the electrical component 4 on component side, second probe 6 by the sky plate 1 driving with
The pin 5 is connected, and sky plate 1 declines second probe 6 and is connected with the pin 5 being located on the component side in use process
Cross whether the electrical component 4 that electric signal judges that above-mentioned pin 5 is located on the component side can be used normally；It solves and works as circuit
The test point in the pin face of plate is blocked or when without test point, be unable to test electrical component whether normal use the problem of.
The anti-inserted mechanism for testing 7 of electrolytic capacitor, as shown in Fig. 2, the anti-inserted mechanism for testing 7 of the electrolytic capacitor include ohmmeter,
Signal processing module and the first probe 9 being arranged in the sky plate 1, first probe 9 are driven and position by the sky plate 1
In on 2 component side of circuit board 8 shell of electrolytic capacitor electrical connection, the ohmmeter be two, one of ohmmeter with
First probe 9 is connected with the positive terminal 10 of the electrolytic capacitor 8 measures first probe 9 and 8 positive terminal of electrolytic capacitor
Resistance between 10, another ohmmeter are connected described in measurement with the negative pole end 11 of first probe 9 and the electrolytic capacitor 8
Resistance between 8 negative pole end 11 of first probe 9 and electrolytic capacitor, because with characteristics such as a batch of electrolytic capacitor its material sizes
All identical to lead to its anode and electrolytic capacitor shell, the resistance between cathode and electrolytic capacitor shell is definite value, in electrolysis electricity
Hold installation it is correct when test resistance value between the first probe and the anode of electrolytic capacitor and the first probe and electrolytic capacitor
Resistance value between cathode is as standard value, by measuring first on each circuit board during circuit board batch testing
Resistance value between probe and the resistance value and the first probe and electrolytic capacitor cathode of the positive interpolar of electrolytic capacitor, then by signal
Above-mentioned measurement result and standard value relatively can determine whether electrolytic capacitor is anti-inserted by reason module, and above-mentioned test method simply may be used
It leans on, the high advantage of testing efficiency.
The anti-inserted mechanism for testing 12 of needle stand, it is as shown in Figure 3 and Figure 4, most of with height applied to the needle stand 13 on circuit board
Spend higher top bar 14 and it is a lower height of get out of a predicament or an embarrassing situation 15, the contact pin for being connected with insert row, which is located at, gets out of a predicament or an embarrassing situation 15, this
Whether the anti-inserted mechanism for testing 12 of needle stand in application is exactly to have the feature measurement needle stand of difference of height anti-inserted by needle stand, the needle
The anti-inserted mechanism for testing 12 of seat includes switching mode casting die and ohmmeter 21, and the switching mode casting die includes adjustable in pitch first conductive
The spring that part 16 and the second conduct piece 17 and both ends are connected with the first conduct piece 16 and the second conduct piece 17 respectively, the bullet
Spring applies the biasing force for separating the two to first conduct piece 16 and the second conduct piece 17, and the switching mode casting die has
It is pressed on get out of a predicament or an embarrassing situation 15, first conduct piece 16 and the isolated off-state of second conduct piece 17, and is pressed on
The on state of the top bar 14, first conduct piece 16 and second conduct piece 17 conducting；Sky plate 1 has to be set in advance
Drop height, the switching mode casting die being arranged in sky plate 1 also have default falling head and default shift position.The default decline
Height for when needle stand 13 install correct second conduct piece 17 be pressed on it is described get out of a predicament or an embarrassing situation 15 when the first conduct piece 16 and second it is conductive
Part 17 is not attached to；First conduct piece 16 and second is led when needle stand 13 is anti-inserted, the second conduct piece 17 is pressed on the top bar 14
Electric part 17 is connected.The default shift position be needle stand 13 when installing correct needle stand 13 get out of a predicament or an embarrassing situation 15 position.The resistance
The positive wire 22 of table 21 is electrically connected first conduct piece 16, and cathode conductor 23 is electrically connected second conduct piece 17, measurement
When the switching mode casting die is in the on state and the off-state between positive and negative polarity wire between resistance value.When opening
During the fixed height set is moved in the position of getting out of a predicament or an embarrassing situation of pass type casting die towards needle stand preset on circuit board, if needle stand
Anti-inserted switching mode casting die can be then pressed in needle stand top bar, and top bar can stop switching mode casting die to continue to move down to make to be located at
First conduct piece on top is connected with the second conduct piece, test at this time the resistance value that measures of circuit be level off to zero definite value electricity
Resistance value；It will be installed preset plan if needle stand installs correct switching mode casting die to be pressed on needle stand gets out of a predicament or an embarrassing situation, switching mode pressure
Enough first conduct pieces of the preset falling head of part and the second conduct piece, which close to each other will not contact, to be connected, at this time because first leads
There is gap, air resistance when not being ionized is very big so the electricity that test circuit measures between electric part and the second conduct piece
Resistance value is infinity.Whether can be installed just with the needle stand on automatic detection circuit board by the anti-inserted test device of above-mentioned needle stand
Really, by observation change in resistance, i.e. can determine whether needle stand is anti-inserted also has the advantages that detection efficiency is fast, avoids the prior art
In can only be inserted by artificial investigation needle stand and lead to the problem that its Detection accuracy is low, detection efficiency is poor and testing cost is high.
Locating piece 18, to be arranged in the sky plate 1 for fixing the pressure bar of the circuit board 2, the pressure bar is towards institute
State the pressure head 19 that there is area to be greater than the pressure bar cross-sectional area for one end of 2 component side of circuit board.By above-mentioned pressure head, avoid to
Its end of locating piece of pressure on circuit boards is because of the problem of the problems in stress collection damages circuit board.
The present embodiment is by by electrical component pin mechanism for testing, the anti-inserted mechanism for testing of electrolytic capacitor and the anti-inserted test of needle stand
Mechanism is arranged in sky plate simultaneously, so that sky plate be made to be located at sky plate in the support plate moving process that direction is used to place circuit board
Each mechanism for testing can electrical component pin, electrolytic capacitor and the needle stand on circuit board component face be carried out while be examined simultaneously
It surveys, above-mentioned testing agency, which is all disposed in sky plate, can be completed at the same time multinomial detection work by the lifting of sky plate, increase
High detection efficiency improves ICT tester for circuit without individually detecting to the components on circuit board component face
The detectability in panel element face.
The application method of ICT tester is as follows in the present embodiment:
Circuit board 2 is placed on the support plate of ICT tester, the element of circuit board 2 is face-up；
It controls sky plate 1 and declines pre-determined distance, the second probe 6 on electrical component pin mechanism for testing 3 is with setting described
On component side the electrical component 4 pin 5 electrical connection to detecting electric element whether normal use；The anti-inserted survey of electrolytic capacitor
The first probe 9 on test-run a machine structure 7 is electrically connected with 8 shell of electrolytic capacitor being located on 2 component side of circuit board, an ohmmeter
The resistance between 8 positive terminal 10 of first probe 9 and electrolytic capacitor is measured, another ohmmeter measures first probe 9
Resistance between 8 negative pole end 11 of electrolytic capacitor, signal processing module install above-mentioned two resistance value and electrolytic capacitor 8 correctly
When predetermined resistance value compare, electrolytic capacitor 8 is installed correctly if test number is close, if test number difference is larger
Then electrolytic capacitor 8 is anti-loaded or electrolytic capacitor 8 there are problems；The switching mode casting die of the anti-inserted mechanism for testing 12 of needle stand moves down pre-
If distance is pressed on needle stand 13 to be detected, if the resistance value for the switching mode casting die that ohmmeter 21 measures is to level off to zero to determine
Value, then needle stand 13 is anti-inserted, if the resistance value for the switching mode casting die that ohmmeter 21 measures is infinity, needle stand 13 is installed correctly.
Embodiment 2
The present embodiment the difference from embodiment 1 is that, first conduct piece 16 and second conduct piece 17 are cylinder
Shape structure is equipped with protective case on the side that the two is located remotely from each other, and the spring is nested on the outside of the column and bullet
The both ends of spring are fixedly linked with the protective case end being nested on first conduct piece 16 and second conduct piece 17 respectively,
It is additionally provided between two protective cases being separately positioned on first conduct piece 16 and second conduct piece 17 for covering
State the outer jointing jacket of the first conduct piece 16 and 17 coupling part of the second conduct piece in residence.Above-mentioned protective case and outer jointing jacket are used
The standard that test circuit measures resistance is influenced in the link position for preventing other components from touching the first conduct pieces and the second conduct piece
True property, to influence the measurement result of the anti-inserted test device of needle stand.The protective case direction being nested on second conduct piece 17
The side of needle stand 13 is prong structure.Setting tip for the protective case on the second conduct piece, to can effectively prevent needle stand anti-inserted
Protective case is in contact the problem of damaging contact pin test device with contact pin in use.
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 among the protection scope created still in the utility model.
Claims (10)
1. a kind of ICT tester, which is characterized in that including
Sky plate (1), be driven towards circuit board (2) component side it is mobile；
Electrical component pin mechanism for testing (3) is arranged on the sky plate (1), is located at the component side for test pin (5)
On electrical component (4) whether can be used normally；
The anti-inserted mechanism for testing of electrolytic capacitor (7) is arranged on the sky plate (1), the electrolysis electricity for testing on the component side
Whether anti-inserted hold (8)；
The anti-inserted mechanism for testing of needle stand (12) is arranged on the sky plate (1), for testing needle stand to be tested on the component side
(13) whether anti-inserted.
2. ICT tester according to claim 1, which is characterized in that the anti-inserted mechanism for testing of electrolytic capacitor (7) includes
The first probe being electrically connected by the sky plate (1) driving with electrolytic capacitor (8) shell being located on the circuit board (2) component side
(9) and it is negative with first probe (9), the positive terminal (10) of the electrolytic capacitor (8) and the electrolytic capacitor (8) respectively
The extremely first test circuit of (11) electrical connection, described first tests the first probe (9) described in circuit measuring and electrolysis electricity
Hold the resistance value between the anode of (8) and the resistance between first probe (9) and the cathode of the electrolytic capacitor (8)
Value.
3. ICT tester according to claim 2, which is characterized in that the anti-inserted mechanism for testing of electrolytic capacitor (7) is also wrapped
Include signal processing module, the signal processing module receive the resistance value that the first test circuit measures and predetermined resistance value into
Row compares, and judges whether the electrolytic capacitor (8) is anti-inserted.
4. ICT tester according to claim 2, which is characterized in that the first test circuit includes: ohmmeter, point
Do not measure resistance value between first probe (9) and the anode of the electrolytic capacitor (8) and first probe (9) and
Resistance value between the cathode of the electrolytic capacitor (8).
5. ICT tester according to claim 1, which is characterized in that be additionally provided on the sky plate (1) described in being used to fix
One end of the locating piece (18) of circuit board (2), the locating piece (18) towards the circuit board (2) component side is greater than with area
The pressure head (19) of locating piece (18) cross-sectional area.
6. ICT tester according to claim 1, which is characterized in that the needle stand (13) to be tested has certain high
It spends the top bar (14) of difference and gets out of a predicament or an embarrassing situation (15), the anti-inserted mechanism for testing of needle stand (12) includes switching mode casting die and the second test
Circuit, the switching mode casting die include the first conduct piece (16) and the second conduct piece (17), and the switching mode casting die, which has, to be compressed
It is described get out of a predicament or an embarrassing situation (15), the off-state of first conduct piece (16) and second conduct piece (17) separation, and compress
In the on state of the top bar (14), first conduct piece (16) and second conduct piece (17) conducting；Described
The first end of two test circuits is electrically connected first conduct piece (16), and second end is electrically connected second conduct piece (17), surveys
It measures when the switching mode casting die is in the on state and the off-state between the first end and the second end
Resistance value.
7. ICT tester according to claim 6, which is characterized in that the switching mode casting die further includes to described first
Conduct piece (16) and/or the second conduct piece (17) apply the bias piece (20) for the biasing force for separating the two, the switching mode
Casting die compresses the top bar (14) by overcoming the biasing force to make first conduct piece (16) and second conduct piece
(17) it is connected.
8. ICT tester according to claim 6, which is characterized in that the switching mode casting die is in the on state
Resistance value between Shi Suoshu first end and the second end levels off to 0.
9. ICT tester according to claim 6, which is characterized in that the second test circuit includes ohmmeter (21),
The ohmmeter (21) is equipped with the positive wire (22) being connected with both the first end and the second end one, Yi Jiyu
The first end and another cathode conductor (23) being connected of both second ends.
10. ICT tester according to claim 1, which is characterized in that electrical component pin mechanism for testing (3) packet
The second probe (6) corresponding with pin (5) of the electrical component (4) are arranged on the component side is included, described second visits
Needle (6) is driven by the sky plate (1) to be connected with the pin (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820810397.4U CN208334567U (en) | 2018-05-28 | 2018-05-28 | A kind of ICT tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820810397.4U CN208334567U (en) | 2018-05-28 | 2018-05-28 | A kind of ICT tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208334567U true CN208334567U (en) | 2019-01-04 |
Family
ID=64775720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820810397.4U Withdrawn - After Issue CN208334567U (en) | 2018-05-28 | 2018-05-28 | A kind of ICT tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208334567U (en) |
-
2018
- 2018-05-28 CN CN201820810397.4U patent/CN208334567U/en not_active Withdrawn - After Issue
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2906633Y (en) | Socket test module | |
| CN202083779U (en) | Dry reed tube testing device | |
| CN105388336A (en) | Auxiliary testing device for oscilloscope probes | |
| CN218240294U (en) | Device for batch insulating voltage-withstanding test of rectifier bridge | |
| CN108469583A (en) | A kind of ICT tester | |
| CN208334567U (en) | A kind of ICT tester | |
| CN211741340U (en) | Circuit board detection tool with self-checking device | |
| EP0294925A2 (en) | Coplanarity testing device for surface mounted components | |
| CN105738734A (en) | Coupling plate assembly used for electrostatic discharge test and electrostatic discharge test device | |
| CN208607350U (en) | A kind of test device for probe contact class testing equipment | |
| CN208172144U (en) | A kind of anti-inserted test device of needle stand and its ICT tester | |
| JPH1019960A (en) | Translator fixing unit for testing printed wiring board | |
| CN205643395U (en) | Many boards of yoke plate test fixture | |
| CN106841991A (en) | The alignment detecting method of a kind of needle mould and circuit board, device and alignment system | |
| CN108614185A (en) | A kind of anti-inserted test device of needle stand and ICT tester and its application method | |
| CN109696601B (en) | Needle bed aging and detecting device | |
| CN208156154U (en) | A kind of pcb board detection device | |
| CN207366490U (en) | A kind of non-copper facing hole detection device of pcb board | |
| CN219046125U (en) | Circuit board detects frock | |
| CN218583979U (en) | Detection apparatus for detect automobile controller connector contact pin height | |
| CN103743952A (en) | Portable loop resistance test tool of isolation switch | |
| CN210090506U (en) | Fool-proof test fixture | |
| CN209570662U (en) | A kind of novel Kelvin's mechanism for testing | |
| CN211293152U (en) | Equipment for automatically testing electrical quality of PCB | |
| CN211826362U (en) | Automatic leakage detector for printed circuit board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190104 Effective date of abandoning: 20240322 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190104 Effective date of abandoning: 20240322 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |