CN102890233A - Detection device for detecting circuit board - Google Patents
Detection device for detecting circuit board Download PDFInfo
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- CN102890233A CN102890233A CN201210345476XA CN201210345476A CN102890233A CN 102890233 A CN102890233 A CN 102890233A CN 201210345476X A CN201210345476X A CN 201210345476XA CN 201210345476 A CN201210345476 A CN 201210345476A CN 102890233 A CN102890233 A CN 102890233A
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- circuit board
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- 238000001514 detection method Methods 0.000 title claims abstract description 50
- 238000012360 testing method Methods 0.000 claims description 48
- 239000000523 sample Substances 0.000 claims description 40
- 241000272165 Charadriidae Species 0.000 claims description 10
- 230000001419 dependent effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 2
- 238000004321 preservation Methods 0.000 claims 1
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
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- 238000004458 analytical method Methods 0.000 description 1
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Abstract
The invention discloses a detection device for detecting a circuit board. The detection device comprises a base, a processor and a signal output unit, wherein a circuit board placement seat and a detection mechanism are arranged on the base; when the circuit board is placed on the circuit board placement seat, the detection mechanism moves relative to the circuit board placement seat, and is contacted with a detection point of the circuit board and used for detecting the circuit board; the detection mechanism sends the detection information of the circuit board to the processor; the processor forwards the received signal to the signal output unit; and the signal output unit outputs a detection result of the circuit board according to the received information. The invention aims to provide the detection device capable of automatically detecting the circuit board.
Description
Technical field
The present invention relates to a kind of pick-up unit, particularly a kind of circuit board detection device.
Background technology
At present, known circuit board detecting method is that detection person passes through multimeter, uses the shift function of multimeter, respectively analysis is detected in the contact of circuit-under-test plate with contact pen; But be provided with various electron devices on the circuit board, and the height of various electron devices is different, so circuit board is positioned over when detecting on the plane, circuit board rocks because of difference in height easily, causes detecting inconvenience; And directly circuit board is positioned on the plane and detects, also may damage electron device because of detection person's overexertion; The more important thing is, in from now on electronic product mass production, and under the prerequisite of structure complicated, it is large that the detection difficulty of circuit board becomes, and it is many that amount detection becomes, and detects even increase more detection person, can not satisfy need of production, and manual detection efficiency is low, accuracy is also relatively poor.
Summary of the invention
The object of the invention is to provide a kind of pick-up unit that can automatically detect circuit board.
Above-mentioned pick-up unit for detection of circuit board comprises support, processor and signal output device,
Described support is provided with testing agency and circuit board placement rack, and testing agency is located at the top of circuit board placement rack,
Described testing agency moves up and down at support, moves restriction site in the testing agency and is provided with and puts travel switch, move down restriction site and be provided with the underlying travel switch, testing agency with on put stop after travel switch or underlying travel switch contact mobile;
Described circuit board placement rack moves horizontally at support, the restriction site that advances of circuit board placement rack is provided with preposition travel switch, retreat restriction site and be provided with rearmounted travel switch, the circuit board placement rack with stop after preposition travel switch or rearmounted travel switch contact mobile; Described circuit board placement rack is provided with built on stilts groove, is provided with step for support circuit board to be detected edge along the inwall on described built on stilts trough rim edge;
After circuit board was positioned over the circuit board placement rack, the circuit board placement rack moved to the testing agency below, and testing agency is displaced downwardly to and moves down restriction site, and this moment, testing agency was detected the circuit board on the circuit board placement rack; Described testing agency delivers to processor with the detection information of circuit board, and to signal output device, signal output device is according to the testing result of the information output circuit board that receives with the message transport that receives for processor.
Because the present invention can detect circuit board automatically, need not detection person each check point is carried out the school inspection, so greatly improved work efficiency.
In addition, the circuit board placement rack can move horizontally and comprise at least two states, is respectively that the circuit board placement rack places under the testing agency, outside the circuit board placement rack places under the testing agency; In the time of under the circuit board placement rack places testing agency, as long as just testing agency moves down can the circuit board on the circuit board placement rack be detected; In the time of outside under the circuit board placement rack places testing agency, not only make things convenient for detection person to place, detach circuit board, more make the circuit board placement rack have enough work space, made things convenient for detection person's manual detection, debugging.
And built on stilts groove is in fact a groove, so when the circuit board support is on built on stilts groove, electron device on the circuit board will be suspended on the built on stilts groove, so when circuit board is detected, can not cause damage to electron device, also solved the problem that there is difference of height in circuit board, so that circuit board can steadily be placed, made things convenient for detection person.
And, when testing agency is detected circuit board, testing agency exerts pressure to circuit board, this moment is because circuit board is in vacant state under the support of step, so circuit board can produce the elastic force of a recovery in the situation of pressurized, thereby so that the more close and firm that contacts of testing agency and circuit board, namely sensing point is not easy skew, and then makes the detection of circuit board more accurate.
Preferably, described support is provided with master cylinder and countercylinder,
Described master cylinder and testing agency join, and master cylinder drives testing agency and moves up and down at support;
Described countercylinder and circuit board placement rack join, and countercylinder drives the circuit board placement rack and moves horizontally at support.
Preferably, described testing agency is detecting plate, and detecting plate is provided with probe, and probe is used for circuit board is detected; Described probe is provided with elastic extension structure, so that probe can compress the check point on the circuit board.
The quantity of above-mentioned probe is not defined as one, need to set according to actual conditions; So as long as number of probes and the position set are appropriate, once just can all check points of circuit board be detected, and be about 3 seconds the detection time of finishing a circuit board.
In addition, because probe is provided with elastic extension structure, so that probe can compress the check point on the circuit board, has avoided probe and check point the phenomenon of loose contact to occur, thereby made the electric circuit inspection result more accurate.
Preferably, described probe tips is connected with on-off circuit, and described on-off circuit plays probe by conducting and cut-off or do not play detection effect.
Because can control conducting and the cut-off of probe, thus when the testing circuit plate, can control each probe and be in suitable state, to adapt to the detection of various circuit boards.
Preferred another program is, described elastic extension structure has the on-off circuit function simultaneously, by conducting or the cut-off of the different decrement determine switch circuit of elastic extension structure, thereby so that testing agency can obtain different probe access waies according to different decrements.Concrete, described elastic extension structure is voltage dependent resistor (VDR) or travel switch.
The beneficial effect of this scheme is, different depression degree by detection architecture determine whether place in circuit plate of probes, because elastic extension structure also is on-off circuit simultaneously, this on-off circuit can be the voltage dependent resistor (VDR) relevant with compression degree, it also can be travel switch, on-off circuit is relevant with elastic telescopic result's stroke, can strengthen conducting or close along with compression degree, like this when design testing agency, testing agency has a plurality of compression degrees by design, and different probe access combinations corresponding to each compression degree, then need a circuit board is carried out multiple detecting pattern when switching, can switch by the decrement of testing agency, detection that can disposable automatic completing circuit plate is switched.
Preferably, described signal output device is display and/or audio amplifier.
Preferably, described pick-up unit is preserved the detection information of circuit board.
Because the detection information that pick-up unit can be preserved circuit board, so detection person singly can not know the situation of single circuit board, more can understand the by the gross information of circuit board, so that whether detection person can exist defective by the design of this information parser circuit plate, for circuit board is provided by the abundant data that provides in the future.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is front view of the present invention;
Fig. 3 is circuit board placement figure of the present invention;
Structure graph when Fig. 4 is circuit board detecting of the present invention.
Embodiment
Embodiments of the invention comprise that support, single-chip microcomputer 10(are processor as illustrated in fig. 1 and 2), display 11, audio amplifier 12, mouse 14 and keyboard 15; Described support comprises monitor station A and base plate B, and wherein, described monitor station A is set up on the base plate B, and monitor station A be provided with track post 19, detecting plate 6, master cylinder 5, on put travel switch 8 and underlying travel switch 7.
Described track post 19 pass detecting plate 6 and be connected in monitor station A and base plate B between, and master cylinder 5 is located at the top of monitor station A, and top and detecting plate 6 that master cylinder 5 passes monitor station A join, and drive check-out console 6 with this and move up and down on track post 19; In addition, put travel switch 8 on described and underlying travel switch 7 is located on the sidewall of monitor station A, and on put travel switch 8 place detecting plate 6 on move restriction site, underlying travel switch 7 places the restriction site that moves down of detecting plate 6.
Wherein, above-mentioned detecting plate 6 is provided with some probes 18.
Described base plate B is provided with circuit board placement rack 1, sliding rail 16, countercylinder 3, preposition travel switch 9, rearmounted travel switch 4 and start button 2; Described circuit board placement rack 1 is located on the sliding rail 16, and countercylinder 3 joins with circuit board placement rack 1, and drive circuit board placement rack 1 moves horizontally on sliding rail 16; And preposition travel switch 6 is located at the restriction site that advances of circuit board placement rack 1, and rearmounted travel switch 4 is located at the restriction site that retreats of circuit board placement rack 1.
Wherein, foregoing circuit plate placement rack 1 is provided with built on stilts groove, is provided with step for support circuit board to be detected 13 edges along the inwall on described built on stilts trough rim edge.
Described single-chip microcomputer 10 is located on the base plate B, and single-chip microcomputer 10 and display 11, audio amplifier 12, mouse 14 are connected with keyboard and are connected.
Shown in Fig. 3 and 4, when circuit board 13 is detected, first circuit board 13 is put in the circuit board placement rack 1, under the support of step, circuit board 13 is suspended on the built on stilts groove, press start button 2 this moment, pick-up unit start working (initialization circuit plate placement rack 1 contacts with preposition travel switch 9, detecting plate 6 and on to put travel switch 8 contacted states be the original state of equipment); After equipment was started working, it is backward mobile that countercylinder 3 drives circuit board placement racks 1, and when circuit board placement rack 1 contacted with rearmounted travel switch 4, countercylinder 3 stopped to drive circuit board placement rack 1 and moves, at this moment circuit board placement rack 1 place detecting plate 6 under; After circuit board placement rack 1 stops to move, master cylinder 5 drives detecting plate 6 and moves down, when detecting plate 6 contacts with underlying travel switch 7, master cylinder 5 stops to drive detecting plate 6 and moves, this moment, the probe 18 on the detecting plate 6 contacted with check point 20 on the circuit board 13, carried out the detection of circuit board 13 with this; Its testing process probably is 3 seconds, and after testing process finished, detection information was delivered to single-chip microcomputer 10, and then single-chip microcomputer 10 will detect message transport to display 11 and audio amplifier 12; Wherein, the detection information of display 11 display circuit boards 13, and audio amplifier 14 sends prompt tone, detection person just can confirm circuit board 13 product of whether passing according to prompt tone; And pick-up unit can be preserved the detection information of circuit board 13, understands more intuitively the performance of electronic edition to make things convenient for detection person.
The various combination of probe 18 can corresponding different measuring ability, general scheme is to be provided with on-off circuit in the end of probe 18, conducting and the cut-off of the control probe by on-off circuit, so when the testing circuit plate, can control each probe and be in suitable state, to adapt to the detection of various circuit boards.And it is preferred, that probe 18 is provided with elastic extension structure, this elastic extension structure has the on-off circuit function simultaneously, by conducting or the cut-off of the different decrement determine switch circuit of elastic extension structure, thereby so that testing agency can obtain different probe access waies according to different decrements.Concrete, described elastic extension structure is voltage dependent resistor (VDR) or travel switch.
The beneficial effect of this scheme is, different depression degree by detection architecture determine whether place in circuit plate of probes, because elastic extension structure also is on-off circuit simultaneously, this on-off circuit can be the voltage dependent resistor (VDR) relevant with compression degree, it also can be travel switch, on-off circuit is relevant with elastic telescopic result's stroke, can strengthen conducting or close along with compression degree, like this when design testing agency, testing agency has a plurality of compression degrees by design, and different probe access combinations corresponding to each compression degree, then need a circuit board is carried out multiple detecting pattern when switching, can switch by the decrement of testing agency, detection that can disposable automatic completing circuit plate is switched.
Such as two probes are arranged, and when decrement is 20%, two equal conductings of probe, then this is a kind of array mode of probe.And when decrement be 50% to be, one of them probe cuts out, and still conducting of another one probe (by designing different path increments or choosing different voltage dependent resistor (VDR)s and realize), then this is the array mode of another probe.Thus, can corresponding different probe access way by decrement, thereby being had multiple detection mode combination, can once automatically finish by circuit board.
After detecting end, it is up mobile that master cylinder 5 drives detecting plate 6, when detecting plate 6 with on when putting travel switch 8 and contacting, master cylinder 5 stops to drive detecting plate 6 and moves, this moment, countercylinder 3 drive circuit board placement racks 1 were mobile forward, when circuit board placement rack 13 contacted with preposition travel switch 9, countercylinder 3 stopped to drive circuit board placement rack 1 and moves; The circuit board placement rack 1 of this moment is equivalent to a worktable, has made things convenient for detection person that circuit board 13 is manually detected, debugs.
The improved protection domain that also is considered as patent on the basis of above embodiment.
Claims (8)
1. pick-up unit for detection of circuit board is characterized in that: comprise support, processor and signal output device,
Described support is provided with testing agency and circuit board placement rack, and testing agency is located at the top of circuit board placement rack,
Described testing agency moves up and down at support, moves restriction site in the testing agency and is provided with and puts travel switch, move down restriction site and be provided with the underlying travel switch, testing agency with on put stop after travel switch or underlying travel switch contact mobile;
Described circuit board placement rack moves horizontally at support, the restriction site that advances of circuit board placement rack is provided with preposition travel switch, retreat restriction site and be provided with rearmounted travel switch, the circuit board placement rack with stop after preposition travel switch or rearmounted travel switch contact mobile; Described circuit board placement rack is provided with built on stilts groove, is provided with step for support circuit board to be detected edge along the inwall on described built on stilts trough rim edge;
After circuit board was positioned over the circuit board placement rack, the circuit board placement rack moved to the testing agency below, and testing agency is displaced downwardly to and moves down restriction site, and this moment, testing agency was detected the circuit board on the circuit board placement rack; Described testing agency delivers to processor with the detection information of circuit board, and to signal output device, signal output device is according to the testing result of the information output circuit board that receives with the message transport that receives for processor.
2. pick-up unit according to claim 1, it is characterized in that: described support is provided with master cylinder and countercylinder,
Described master cylinder and testing agency join, and master cylinder drives testing agency and moves up and down at support;
Described countercylinder and circuit board placement rack join, and countercylinder drives the circuit board placement rack and moves horizontally at support.
3. pick-up unit according to claim 1, it is characterized in that: described testing agency is detecting plate, and detecting plate is provided with probe, probe is used for circuit board is detected; Described probe is provided with elastic extension structure, so that probe can compress the check point on the circuit board.
4. pick-up unit according to claim 3, it is characterized in that: described probe tips is connected with on-off circuit, and described on-off circuit plays probe by conducting and cut-off or does not play detection effect.
5. pick-up unit according to claim 3, it is characterized in that: described elastic extension structure has the on-off circuit function simultaneously, by conducting or the cut-off of the different decrement determine switch circuit of elastic extension structure, obtain different probe access waies thereby make testing agency pass through the different decrement of elastic extension structure.
6. pick-up unit according to claim 5, it is characterized in that: described elastic extension structure is voltage dependent resistor (VDR) or travel switch.
7. pick-up unit according to claim 1, it is characterized in that: described signal output device is display and/or audio amplifier.
8. pick-up unit according to claim 1 is characterized in that: the detection information of described pick-up unit preservation circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210345476.XA CN102890233B (en) | 2012-09-17 | 2012-09-17 | Detection device for detecting circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210345476.XA CN102890233B (en) | 2012-09-17 | 2012-09-17 | Detection device for detecting circuit board |
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| CN102890233A true CN102890233A (en) | 2013-01-23 |
| CN102890233B CN102890233B (en) | 2014-12-10 |
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| CN201210345476.XA Active CN102890233B (en) | 2012-09-17 | 2012-09-17 | Detection device for detecting circuit board |
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Cited By (7)
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| CN103645035A (en) * | 2013-12-12 | 2014-03-19 | 京东方科技集团股份有限公司 | Lighting fixture |
| CN104614667A (en) * | 2015-02-12 | 2015-05-13 | 深圳市福瑞康电子有限公司 | Switching power supply jointed board automatic tester and method |
| CN104820180A (en) * | 2014-02-04 | 2015-08-05 | 发那科株式会社 | Electronic device having function of detecting degradation of printed circuit board |
| CN106053922A (en) * | 2016-08-16 | 2016-10-26 | 合肥齐兴电器有限责任公司 | Electric reactor testing machine for testing electrical performances |
| CN106199383A (en) * | 2016-07-06 | 2016-12-07 | 安徽状元郎电子科技有限公司 | A kind of device for fast detecting of automatic detection circuit plate connecting and disconnecting of the circuit |
| CN106885968A (en) * | 2017-03-17 | 2017-06-23 | 广东长盈精密技术有限公司 | Continuity test tool |
| CN106908633A (en) * | 2017-02-09 | 2017-06-30 | 广州视源电子科技股份有限公司 | board card testing machine |
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| CN106885968A (en) * | 2017-03-17 | 2017-06-23 | 广东长盈精密技术有限公司 | Continuity test tool |
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| CN102890233B (en) | 2014-12-10 |
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Denomination of invention: Detection device for detecting circuit board Effective date of registration: 20190524 Granted publication date: 20141210 Pledgee: Zhujiang Branch of Guangzhou Bank Co.,Ltd. Pledgor: GUANGZHOU CANLEAD ENERGY TECHNOLOGY Co.,Ltd. Registration number: 2019440000188 |
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Denomination of invention: A detection device for detecting circuit board Effective date of registration: 20210816 Granted publication date: 20141210 Pledgee: Zhujiang Branch of Guangzhou Bank Co.,Ltd. Pledgor: GUANGZHOU CANLEAD ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2021440000262 |
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Date of cancellation: 20220907 Granted publication date: 20141210 Pledgee: Zhujiang Branch of Guangzhou Bank Co.,Ltd. Pledgor: GUANGZHOU CANLEAD ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2021440000262 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A detection device for detecting circuit boards Effective date of registration: 20220908 Granted publication date: 20141210 Pledgee: Zhujiang Branch of Guangzhou Bank Co.,Ltd. Pledgor: GUANGZHOU CANLEAD ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2022980014872 |