CN108871213A - A kind of electronic circuit board test detection device - Google Patents
A kind of electronic circuit board test detection device Download PDFInfo
- Publication number
- CN108871213A CN108871213A CN201810463092.5A CN201810463092A CN108871213A CN 108871213 A CN108871213 A CN 108871213A CN 201810463092 A CN201810463092 A CN 201810463092A CN 108871213 A CN108871213 A CN 108871213A
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- Prior art keywords
- fixed
- telescopic rod
- detection
- electric telescopic
- switch
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/22—Measuring arrangements characterised by the use of optical techniques for measuring depth
Abstract
The invention discloses a kind of electronic circuit boards to test detection device, including bottom plate, fixed disk and support plate, the side on bottom plate top is sequentially connected with the first fixed strip by the first electric telescopic rod, the both ends of first fixed strip, which are run through, is equipped with telescopic rod, one end of two telescopic rods is fixedly connected with the both ends of detection plate side respectively, the top of detection plate is equipped with battery, the side of battery is equipped with detection switch, the other side of battery is equipped with light bulb, and the middle part on bottom plate top is connected with shaft by bearing.Circuit board can quickly be fixedly mounted in the case where cooperating the use of the 4th electric telescopic rod and pressure switch, improve detection efficiency, guarantee the accuracy of detection by the design of this programme clamp bar and elastic layering；Fixed disk and sleeve and shaft are used cooperatively, thus it is possible to vary the position of fixed disk, so that circuit board be changed to the fixed angle for being easy to detect, to avoid dismantling installation back and forth, raising detection efficiency.
Description
Technical field
The application belongs to circuit board detecting correlative technology field, specifically, being related to a kind of electronic circuit board test detection
Device.
Background technique
Printed circuit board, also known as printed wiring board, are important electronic component, are the supporters of electronic component, are electricity
The carrier of sub- component electrical connection, circuit board need to carry out before factory stringent detection, and qualified product could be put into
It uses.
The producer of partial circuit plate production at present, which still uses, manually to be examined with the method that magnifying glass or projector are checked
Side, due to manually checking large labor intensity, eyes are easy to produce fatigue, and percentage of omisson of examination is very high, and traditional detection device is only capable of pair
A kind of performance of circuit board is detected, and detection efficiency is low, Detection accuracy is not high, and the data detected are difficult to intuitively see
It sees and records, therefore we make improvement to this, propose a kind of electronic circuit board test detection device.
Summary of the invention
In view of this, it is strong using manual inspection, labour in circuit board detecting in routine techniques that the application is to be solved
Degree is big, the high technical problem of omission factor.The present invention provides a kind of electronic circuit boards to test detection device, compared to conventional skill
Art can reduce labor intensity, and improve detection efficiency.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical programs：
One aspect of the present invention provides a kind of electronic circuit board test detection device, including bottom plate, fixed disk and support plate, described
The side on bottom plate top is sequentially connected with the first fixed strip by the first electric telescopic rod, and the both ends of first fixed strip are run through
Equipped with telescopic rod, one end of two telescopic rods is fixedly connected with the both ends of detection plate side respectively, the top of the detection plate
End is equipped with battery, and the side of the battery is equipped with detection switch, and the other side of the battery is equipped with light bulb, institute
The middle part for stating bottom plate top is connected with shaft, the shaft and the interspersed connection of sleeve, the top of the sleeve by bearing
It is fixed with fixed disk, the two sides on the fixed disk top are fixed with the second fixed strip, two second fixed strips
Side is connected with clamp bar by a pair of of spring, and a corner of the fixed disk is interspersed to be equipped with bolt, the bottom plate top it is another
Side is fixed with support plate, and the top of the support plate is symmetrically installed that there are two display screen, the tops of the support plate by bracket
Portion, which is run through, is equipped with the second electric telescopic rod, and the output end of second electric telescopic rod is sequentially connected with third fixed strip, described
The bottom end of third fixed strip is equipped with several range sensors, and sliding rail, the cunning are offered in the middle part of the support plate side
The side of rail is equipped with sliding block, and the side of the sliding block is fixed with third electric telescopic rod, the third electric telescopic rod it is defeated
Outlet is sequentially connected with the 4th fixed strip, and the bottom of the 4th fixed strip is equipped with diameter detecting instrument, and the support plate is another
Switch panel is installed, the switch panel is equipped with the first electric expansion lever switch, the second electric telescopic rod is opened in the middle part of side
It closes, third electric expansion lever switch and two display switches, first electric telescopic rod are opened by the first electric telescopic rod
It closes, the second electric telescopic rod passes through the second electric expansion lever switch, third electric telescopic rod passes through third electric expansion lever switch
Pass through display switch respectively with two display screens to be electrically connected with the power supply.
With reference to first aspect, in a kind of possible embodiment, the bottom end of the detection plate is equipped with several detection columns,
Several described detection columns are electrically connected with light bulb, and the light bulb is electrically connected by detection switch and battery.
With reference to first aspect, in a kind of possible embodiment, the inside of the third fixed strip offers shifting chute,
The internal slide of the shifting chute is connected with several mobile columns, and the bottom end of the mobile column and the top of range sensor are fixed
Connection, and the top of the mobile column is fixed with pushing block, the side on third fixed strip top is equipped with scale.
With reference to first aspect, in a kind of possible embodiment, the side of the clamp bar offers clip slot, the clip slot
Inside be fixed with non-slip mat, the side inside the clip slot is equipped with pressure switch.
With reference to first aspect, in a kind of possible embodiment, the fixation of the other two sides on the fixed disk top is set
One end face of flexible press strip, the elastic layering is serrated, and the edge of the fixed disk has several limit holes.
With reference to first aspect, in a kind of possible embodiment, the other side of the sliding block is equipped with pulley, the cunning
Wheel is slidably connected with sliding rail.
With reference to first aspect, in a kind of possible embodiment, limit that one end of the bolt and bottom plate are equipped with
The interspersed connection in hole, and the bolt is T-shaped structure, one end of bolt is equipped with slip-resistant texture.
With reference to first aspect, in a kind of possible embodiment, several described range sensors and diameter detecting instrument
It is electrically connected respectively with two display screens, and the range sensor is laser range sensor.
With reference to first aspect, in a kind of possible embodiment, the middle part of second fixed strip, which is run through, is equipped with the 4th
Electric telescopic rod, the output end of the 4th electric telescopic rod and the middle part of the clamp bar other side are sequentially connected, and the described 4th is electronic
Telescopic rod is electrically connected with the power supply by pressure switch.
Compared with prior art, the application can be obtained including following technical effect：
The design of clamp bar and elastic layering, can be fast by circuit board in the case where cooperating the use of the 4th electric telescopic rod and pressure switch
Speed is fixedly mounted, and improves detection efficiency, guarantees the accuracy of detection；Fixed disk and sleeve and shaft are used cooperatively, Ke Yigai
Become the position of fixed disk, so that circuit board to be changed to the fixed angle for being easy to detect, to avoid dismantling installation back and forth, improves inspection
Survey efficiency；The detection column that the light bulb and detection plate bottom end that detection plate top is equipped with are equipped with, can be to the electrical original part on circuit board
It is detected, detection speed is fast, is easy to resolved detection result；The cooperation of range sensor, diameter detecting instrument and two display screens
Design can carry out depth and Pore Diameter Detection to the hole on circuit board, improve detection range, observe convenient for operator, record,
It is more convenient to use.
Certainly, any product for implementing the application must be not necessarily required to reach all the above technical effect simultaneously.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings：
Fig. 1 is a kind of structural schematic diagram of electronic circuit board test detection device of the embodiment of the present application；
Fig. 2 is a kind of fixed disk overlooking structure diagram of electronic circuit board test detection device of the embodiment of the present application；
Fig. 3 is a kind of support plate side structure schematic view of electronic circuit board test detection device of the embodiment of the present application；
Fig. 4 is a kind of detection plate overlooking structure diagram of electronic circuit board test detection device of the embodiment of the present application；
Fig. 5 is a kind of clamp bar side structure schematic view of electronic circuit board test detection device of the embodiment of the present application；
Fig. 6 is a kind of elastic layering structural schematic diagram of electronic circuit board test detection device of the embodiment of the present application；
Fig. 7 is a kind of range sensor structural schematic diagram of electronic circuit board test detection device of the embodiment of the present application；
Fig. 8 is a kind of third fixed strip structural schematic diagram of electronic circuit board test detection device of the embodiment of the present application.
In figure：1-bottom plate；2-the first electric telescopic rod；3-the first fixed strip；4-telescopic rods；5-detection plates；6—
Battery；7-elastic layerings；8-detection columns；9-shafts；10-sleeves；11-fixed disks；12-the second fixed strip；13—
Clamp bar；14-bolts；15-support plates；16-sliding blocks；17-third electric telescopic rods；18-the second electric telescopic rod；19—
Display screen；20-third fixed strips；21-range sensors；22-the four fixed strip；23-diameter detecting instruments；24-pushing blocks；
25-mobile columns；26-scales；27, the 4th electric telescopic rod；28, pressure switch.
Specific embodiment
Presently filed embodiment is described in detail below in conjunction with accompanying drawings and embodiments, how the application is applied whereby
Technological means solves technical problem and reaches the realization process of technical effect to fully understand and implement.
Referring to Fig. 1-8, for a kind of electronic circuit board test detection device provided by one embodiment of the present invention（The present invention is real
It applies and is referred to as device in example）.
Including bottom plate 1, fixed disk 11 and support plate 15, the side on 1 top of bottom plate is connected by the transmission of the first electric telescopic rod 2
Be connected to the first fixed strip 3, the both ends of the first fixed strip 3, which are run through, is equipped with telescopic rod 4, one end of two telescopic rods 4 respectively with detection
The both ends of 5 side of plate are fixedly connected, and the top of detection plate 5 is equipped with battery 6, and the side of battery 6 is equipped with detection switch,
The other side of battery 6 is equipped with light bulb, and the middle part on 1 top of bottom plate is connected with shaft 9, shaft 9 and sleeve by bearing
10 interspersed connections, the top of sleeve 10 are fixed with fixed disk 11, and it is fixed that the two sides on 11 top of fixed disk are fixed with second
The side of item 12, two the second fixed strips 12 is connected with clamp bar 13 by a pair of of spring, and a corner of fixed disk 11 is interspersed to be equipped with
Bolt 14, the other side on 1 top of bottom plate are fixed with support plate 15, there are two the top of support plate 15 is symmetrically installed by bracket
Display screen 19, the top of support plate 15, which is run through, is equipped with the second electric telescopic rod 18, and the output end of the second electric telescopic rod 18 is driven
It is connected with third fixed strip 20, the bottom end of third fixed strip 20 is equipped with several range sensors 21,15 side of support plate
Middle part offers sliding rail, and the side of sliding rail is equipped with sliding block 16, and the side of sliding block 16 is fixed with third electric telescopic rod 17, third
The output end of electric telescopic rod 17 is sequentially connected with the 4th fixed strip 22, and the bottom of the 4th fixed strip 22 is equipped with diameter detecting instrument
23, switch panel is installed, switch panel is equipped with the first electric expansion lever switch, the second electricity in the middle part of 15 other side of support plate
Dynamic flexible lever switch, third electric expansion lever switch and two display switches, the first electric telescopic rod 2 electronic are stretched by first
Contracting lever switch, the second electric telescopic rod 18 are electronic by third by the second electric expansion lever switch, third electric telescopic rod 17
Flexible lever switch and two display screens 19 are electrically connected with the power supply by display switch respectively.
The both ends of circuit board can be stuck in two 13 sides of clamp bar by the present apparatus, at work, operator first
In clip slot, the restoring force of spring can make two clamp bars 13 clamp the both ends of circuit board, while the pressure inside clip slot
Pressure of the power switch 28 by circuit board, so that pressure switch 28 controls the work of the 4th electric telescopic rod 27, circuit board is fast
Speed clamps, and elastic layering 7 is then pulled manually, so that two elastic layerings 7 are pressed respectively against the other both ends of circuit board, thus
Complete the fixation of circuit board；Operator can be according to the position of circuit board, the length for the telescopic rod 4 that stretches, so that detection plate 5 is set
In the surface of circuit board, detection switch is opened, the contraction of the first electric telescopic rod 2 is then adjusted, so that 5 bottom end of detection plate
Detection column 8 is contacted with the guide post on circuit board, and such detection plate 8 can detect the electrical original part on circuit board, when
When original part is normal, forming circuit, light bulb is glittering, to prompt operator's testing result, operator can pass through control first
Electric telescopic rod 2 rises detection plate 5；Then display switch is opened, according to the distributing position of circuit board hole, operator
Pushing block 24 can be pushed manually, several range sensors 21 are respectively adjusted to suitable position, then by adjusting second
Electric telescopic rod 18 makes side of the third fixed strip 20 at the top of circuit board slowly be moved to the other side, solid positioned at third in this way
Determine 20 bottom of item several range sensors 21 can the depth successively to the hole on circuit board detect, specific number
According to can be obtained from display screen 19；After hole depth detection terminates, so that it may carry out Pore Diameter Detection, operator can be according to need
The switch on diameter detecting instrument 23 is opened in the position for the hole to be detected, the position of sliding slider 16, and it is electronic then to adjust third
Telescopic rod 17 stretches out, so that the inspection end of diameter detecting instrument 23 is slowly moved to the other side from the side at the top of circuit board,
Thus can the aperture to the hole on circuit board detected one by one, specific data can be shown on display screen 19
Come, is recorded convenient for tester；When needing other positions to circuit board to detect, bolt 14 can be extracted, rotation is solid
Price fixing 11 thus can change the fixation position of circuit board, be inserted into suitable limit hole after position determines, then by bolt 14
It is interior, fixed disk 11 is fixed, circuit board is thus changed to the fixation position for being easy to detect, improves detection efficiency.
Optionally, the bottom end of detection plate 5 is equipped with several detection columns 8, several detection columns 8 are electrically connected with light bulb,
Light bulb is electrically connected by detection switch and battery 6, can learn testing result by observing the light on and off of light bulb, more convenient
Efficiently.
Optionally, the inside of third fixed strip 20 offers shifting chute, and the internal slide of shifting chute is connected with several shiftings
Dynamic column 25, the bottom end of mobile column 25 is fixedly connected with the top of range sensor 21, and the top of mobile column 25 is fixed with and pushes away
Block 24, the side on 20 top of third fixed strip are equipped with scale 26, and operator can be by pushing 24 moving distance sensor of pushing block
21, so that the position of range sensor 21 is adjusted to suitable, so that the more accurate blind hole on circuit board detects,
Realize quickly positioning, precise measurement.
Optionally, the side of clamp bar 13 offers clip slot, and the inside of clip slot is fixed with non-slip mat, the side inside clip slot
Pressure switch 28 is installed, skidding when avoiding clamping circuit board improves fixed stability, while adjusting using pressure switch 28
The pressure that section circuit board is subject to, so that fast circuit plate is clamped fixation.
Optionally, the other two sides on 11 top of fixed disk are fixed with elastic layering 7, and an end face of elastic layering 7 is in
Zigzag, the edge of fixed disk 11 have several limit holes, and elastic layering 7 can be further improved fixed stability,
Avoid in the detection process circuit board be subjected to displacement influence testing result, limit hole can be inserted into 14 for bolt, convenient for changing electricity
The fixation position of road plate avoids repeatedly dismantling circuit board.
Optionally, the other side of sliding block 16 is equipped with pulley, and pulley is slidably connected with sliding rail, and pulley moves on the slide rail more
It is convenient to add, and operates convenient for operator.
Optionally, the interspersed connection of the limit hole that one end of bolt 14 and bottom plate 1 are equipped with, and bolt 14 is T-shaped structure, is inserted
One end of pin 14 is equipped with slip-resistant texture, facilitates operator's taking bolt 14, convenient for quickly fixed disk 11 is fixed.
Optionally, several range sensors 21 and diameter detecting instrument 23 are electrically connected with two display screens 19 respectively, and
The range sensor 21 is laser range sensor, and display screen 19 is observed and recorded convenient for operator, while laser ranging passes
Laser alignment may be implemented in sensor, and range sensor 21 is adjusted to the face position for arriving blind hole convenient for operator, improves detection
Accuracy and efficiency.
Optionally, the middle part of the second fixed strip 12, which is run through, is equipped with the 4th electric telescopic rod 27, the 4th electric telescopic rod 27
The middle part of output end and 13 other side of clamp bar is sequentially connected, and the 4th electric telescopic rod 27 is electrically connected by pressure switch 28 with power supply
It connects, the 4th electric telescopic rod 27 can flexibly stretch, and realization is quickly clamped circuit board.
Compared with prior art, the application can be obtained including following technical effect：
Electronic circuit board in the application tests detection device, and the design of clamp bar and elastic layering is cooperating the 4th electric expansion
Circuit board can be quickly fixedly mounted under the use of bar and pressure switch, improve detection efficiency, guarantee the accuracy of detection；Gu
Price fixing and sleeve and shaft are used cooperatively, thus it is possible to vary the position of fixed disk, to consolidate what circuit board was changed to be easy to detect
Determine angle, to avoid dismantling installation back and forth, improves detection efficiency；The light bulb and detection plate bottom end that detection plate top is equipped with are equipped with
Detection column, the electrical original part on circuit board can be detected, detection speed is fast, is easy to resolved detection result；Distance passes
The matching design of sensor, diameter detecting instrument and two display screens can carry out depth and Pore Diameter Detection to the hole on circuit board,
Detection range is improved, it is more convenient to use convenient for operator's observation, record.
As used some vocabulary to censure specific components in the specification and claims.Those skilled in the art answer
It is understood that hardware manufacturer may call the same component with different nouns.This specification and claims are not with name
The difference of title is as the mode for distinguishing component, but with the difference of component functionally as the criterion of differentiation.Such as logical
The "comprising" of piece specification and claim mentioned in is an open language, therefore should be construed to " include but do not limit
In "." substantially " refer within the acceptable error range, those skilled in the art can within a certain error range solve described in
Technical problem basically reaches the technical effect.In addition, " coupling " word includes any direct and indirect electric property coupling herein
Means.Therefore, if it is described herein that a first device is coupled to a second device, then representing the first device can directly electrical coupling
It is connected to the second device, or the second device indirectly electrically coupled through other devices or coupling means.Specification
Subsequent descriptions be implement the application better embodiment, so it is described description be for the purpose of the rule for illustrating the application,
It is not intended to limit the scope of the present application.The protection scope of the application is as defined by the appended claims.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
Include, so that commodity or system including a series of elements not only include those elements, but also including not clear
The other element listed, or further include for this commodity or the intrinsic element of system.In the feelings not limited more
Under condition, the element that is limited by sentence "including a ...", it is not excluded that in the commodity or system for including the element also
There are other identical elements.
Several preferred embodiments of the invention have shown and described in above description, but as previously described, it should be understood that the present invention
Be not limited to forms disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations,
Modification and environment, and the above teachings or related fields of technology or knowledge can be passed through within that scope of the inventive concept describe herein
It is modified.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be in this hair
In the protection scope of bright appended claims.
Claims (9)
1. a kind of electronic circuit board tests detection device, including bottom plate（1）, fixed disk（11）And support plate（15）, feature exists
In the bottom plate（1）The side on top passes through the first electric telescopic rod（2）It is sequentially connected with the first fixed strip（3）, described first
Fixed strip（3）Both ends run through be equipped with telescopic rod（4）, two telescopic rods（4）One end respectively with detection plate（5）Side
Both ends are fixedly connected, the detection plate（5）Top battery is installed（6）, the battery（6）Side detection is installed
Switch, the battery（6）The other side light bulb, the bottom plate are installed（1）The middle part on top is connected with by bearing
Shaft（9）, the shaft（9）With sleeve（10）Interspersed connection, the sleeve（10）Top be fixed with fixed disk（11）, institute
State fixed disk（11）The two sides on top are fixed with the second fixed strip（12）, two second fixed strips（12）Side it is logical
It crosses a pair of of spring and is connected with clamp bar（13）, the fixed disk（11）A corner interspersed be equipped with bolt（14）, the bottom plate（1）Top
The other side at end is fixed with support plate（15）, the support plate（15）Top be symmetrically installed by bracket there are two display screen
（19）, the support plate（15）Top run through be equipped with the second electric telescopic rod（18）, second electric telescopic rod（18）'s
Output end is sequentially connected with third fixed strip（20）, the third fixed strip（20）Bottom end several range sensors are installed
（21）, the support plate（15）Sliding rail is offered in the middle part of side, the side of the sliding rail is equipped with sliding block（16）, the sliding block
（16）Side be fixed with third electric telescopic rod（17）, the third electric telescopic rod（17）Output end be sequentially connected with
4th fixed strip（22）, the 4th fixed strip（22）Bottom diameter detecting instrument is installed（23）, the support plate（15）Separately
Switch panel is installed, the switch panel is equipped with the first electric expansion lever switch, the second electric telescopic rod in the middle part of side
Switch, third electric expansion lever switch and two display switches, first electric telescopic rod（2）Pass through the first electric expansion
Lever switch, the second electric telescopic rod（18）Pass through the second electric expansion lever switch, third electric telescopic rod（17）Pass through third electricity
Dynamic flexible lever switch and two display screens（19）It is electrically connected with the power supply by display switch respectively.
2. device as described in claim 1, which is characterized in that the detection plate（5）Bottom end be equipped with several detection column
（8）, several described detection columns（8）It is electrically connected with light bulb, the light bulb passes through detection switch and battery（6）Electrically connect
It connects.
3. device as described in claim 1, which is characterized in that the third fixed strip（20）Inside offer shifting chute,
The internal slide of the shifting chute is connected with several mobile columns（25）, the mobile column（25）Bottom end and range sensor
（21）Top be fixedly connected, and the mobile column（25）Top be fixed with pushing block（24）, the third fixed strip（20）
The side on top is equipped with scale（26）.
4. device as described in claim 1, which is characterized in that the clamp bar（13）Side offer clip slot, the clip slot
Inside be fixed with non-slip mat, the side inside the clip slot is equipped with pressure switch（28）.
5. device as described in claim 1, which is characterized in that the fixed disk（11）The other two sides on top are fixed with
Elastic layering（7）, the elastic layering（7）An end face be serrated, the fixed disk（11）Edge have several
Limit hole.
6. device as described in claim 1, which is characterized in that the sliding block（16）The other side pulley, the cunning are installed
Wheel is slidably connected with sliding rail.
7. device as described in claim 1, which is characterized in that the bolt（14）One end and bottom plate（1）The limit being equipped with
The interspersed connection in position hole, and the bolt（14）For T-shaped structure, bolt（14）One end be equipped with slip-resistant texture.
8. device as described in claim 1, which is characterized in that several described range sensors（21）And diameter detecting instrument
（23）Respectively with two display screens（19）It is electrically connected, and the range sensor（21）For laser range sensor.
9. device as described in claim 1, which is characterized in that second fixed strip（12）Middle part run through be equipped with the 4th electricity
Dynamic telescopic rod（27）, the 4th electric telescopic rod（27）Output end and clamp bar（13）The middle part of the other side is sequentially connected, institute
State the 4th electric telescopic rod（27）Pass through pressure switch（28）It is electrically connected with the power supply.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810463092.5A CN108871213A (en) | 2018-05-15 | 2018-05-15 | A kind of electronic circuit board test detection device |
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| CN201810463092.5A CN108871213A (en) | 2018-05-15 | 2018-05-15 | A kind of electronic circuit board test detection device |
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| CN201810463092.5A Pending CN108871213A (en) | 2018-05-15 | 2018-05-15 | A kind of electronic circuit board test detection device |
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| CN114791260A (en) * | 2022-04-29 | 2022-07-26 | 佛山市天劲新能源科技有限公司 | Hole position detection device for installing battery box |
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Application publication date: 20181123 |