CN207424188U

CN207424188U - PCBA board signal contrast equipment

Info

Publication number: CN207424188U
Application number: CN201720943884.3U
Authority: CN
Inventors: 邹文峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-07-31
Filing date: 2017-07-31
Publication date: 2018-05-29
Anticipated expiration: 2027-07-31

Abstract

The utility model discloses a kind of PCBA board signal contrast equipment, belong to electron detection device field, including pedestal, probe base and gauge fixed seat, it is provided on pedestal and computer, the port that oscillograph or data acquisition card are electrically connected, the lower end of probe base is fixed with probe, and gearshift in the relative displacement of space three-dimensional direction can be provided for probe and gauge fixed seat, computer controls position of the probe base on space three-dimensional direction to make each signaling point on probe alignment tested PCB A plates by identifying the signal point position information of PCBA board, the normal detection signal for detecting signal and the tested PCB A plates in computer is compared, there is exception and then judges tested PCB A plates for substandard products in signal, whole signals are normally then determined as non-defective unit.The advantage is that judgement to be rapidly compared by software to the component pin on tested PCB A plates and the signal in test point automatically automatically, can test different types PCBA board, it is applied widely, as a result accurately.

Description

PCBA board signal contrast equipment

Technical field

The utility model is related to a kind of PCBA board detection devices more particularly to one kind to judge that PCBA board is by signal contrast The no comparative apparatus for non-defective unit belongs to electron detection device field.

Background technology

PCBA is the abbreviation of English Printed Circuit Board+Assembly, that is to say, that PCB hollow plates pass through SMT Piece uploading, using the entire processing procedure of DIP plug-in units, abbreviation PCBA.In order to ensure the quality of final product, for what is produced PCBA board will carry out test judgement, and whether it is non-defective unit.

Existing test method is to take a standard items and a product to be tested, the mode that manually hand is taken, while tests two A PCBA board, then judge whether two signals are identical manually, if standard items are identical with the signal of product to be tested, It is determined as non-defective unit, is otherwise defective work.This test mode cannot fast and accurately test each component pipe in PCBA board Foot signal it is normal whether, affect the total quality of product, also leave some potential hidden danger.

The content of the invention

The technical problems to be solved by the invention are：Provide a kind of PCBA board signal contrast equipment, with XY TABLE or Mechanical arm accurately and fast tests the signal message in PCBA board in component pin and test point one by one, and is sentenced automatically with software Whether disconnected tested PCB A plates are consistent with the standard data storehouse pre-established, improve the efficiency and accuracy of test.

In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：

A kind of PCBA board signal contrast equipment including pedestal, probe base and gauge fixed seat, is set on the pedestal The port being electrically connected with computer is equipped with, the port being electrically connected with oscillograph or data acquisition card, the probe is fixed The lower end of seat is fixed with probe and displacement in the relative displacement of space three-dimensional direction can be provided for probe and gauge fixed seat Device, the gearshift include left and right straight-line displacement axis, tandem offset axis and upper and lower straight-line displacement axis, the spy Pin fixed seat is slidably mounted on left and right straight-line displacement axis, and gauge fixed seat is slidably mounted in tandem offset axis On, the location holes of fixed tested PCB A plate gauges is provided in gauge fixed seat, tested PCB A is stored in the computer The location information of signaling point on the normal detection signal and tested PCB A plates of plate, the computer is by identifying the letter of PCBA board Number dot position information is every on probe alignment tested PCB A plates position of the probe base on space three-dimensional direction to be controlled to make A signaling point, the normal detection signal of tested PCB A plate of the detection signal that each signaling point is obtained with storage in a computer It is compared, signal exception occurs and then judges tested PCB A plates for substandard products, and whole signals normally then judge that tested PCB A plates are good Product.

Specifically, the gauge fixed seat is horizontally or vertically installed on tandem offset axis, and described is front and rear straight Slide is provided on displacement of the lines axis, gauge fixed seat can tandem slip on slide.

Specifically, vertical support frame is provided at left and right sides of the left and right straight-line displacement axis, the vertical support frame hangs down Base upper surface directly is installed on, projection of the straight-line displacement axis in left and right with tandem offset axis on pedestal is vertical.

Specifically, the probe is two be oppositely arranged, and when test makes gauge be between two probes to PCBA Plate carries out tow sides and is detected.

Specifically, it is provided with linear transmission mechanism in the gearshift.

More specifically, the linear transmission mechanism is rack and pinion drive mechanism, screw nut driving mechanism, V belt translation One or more of mechanism or chain-drive mechanism.

Specifically, the positioning hole number is at least 3.

The beneficial effects of the present invention are：It can be automatic accurate rapidly to the component pin and test point in PCBA board On signal and prestore signaling point on the normal detection signal and tested PCB A plates of tested PCB A plates in a computer Location information is compared automatically by software, can test different types PCBA board, it is applied widely, as a result accurately.

Description of the drawings

Fig. 1 is one of PCBA board signal contrast device structure schematic diagram；

Fig. 2 is the two of PCBA board signal contrast device structure schematic diagram.

Label declaration：

1st, probe base；2nd, X transverse axis；3rd, vertical support frame；4th, horizontal Y-axis slide；5th, pedestal；6th, probe；7th, gauge is solid Reservation；71st, location hole.

Specific embodiment

For the technology contents that the present invention will be described in detail, the objects and the effects, below in conjunction with embodiment and coordinate attached Figure is explained.

Fig. 1 and 2 is refer to, wherein figure 1 discloses the structural representation that two probe relative levels are set in probe base 1 Figure, Fig. 2 disclose the structure diagram that two probe Relative verticals are set in probe base 1.As shown in the figure, PCBA board signal pair Include pedestal 5, probe base 1 and gauge fixed seat 7 than equipment, the port being electrically connected with computer be provided on pedestal 5, The port being electrically connected with oscillograph or data acquisition card, the lower end of probe base 1 are fixed with probe 6 and can be to visit Pin 6 and gauge fixed seat 7 provide the gearshift in the relative displacement of space three-dimensional direction（Also referred to as：XY platforms or manipulator Arm）, the gearshift includes left and right straight-line displacement axis（X transverse axis）2, tandem offset axis（Horizontal Y-axis slide）4 and upper Lower straight-line displacement axis（Z axis stent）3, the probe base 1 is slidably mounted on X transverse axis 2, and gauge fixed seat 7 can It is slidably mounted on horizontal Y-axis slide 4, the location hole 71 of fixed tested PCB A plate gauges is provided in gauge fixed seat 7.

It should be noted that be previously stored in the computer or typing have tested PCB A plates normal detection signal and The location information of signaling point on tested PCB A plates（Also referred to as：Standard data storehouse）, the motion control card that is arranged in computer Three-dimensional space motion displacement of the probe 6 in X transverse axis 2, horizontal Y-axis slide 4 and Z axis stent 3 can be controlled, by identifying PCBA board Signal point position information come control position of the probe base 1 on space three-dimensional direction make probe 6 be aligned tested PCB A plates On each signaling point, by the normal inspection of the detection signal that each signaling point obtains and storage tested PCB A plates in a computer It surveys signal to be compared, signal exception occurs and then judges tested PCB A plates for substandard products, and whole signals normally then judge tested PCB A Plate is non-defective unit.

Optionally, the gauge fixed seat 7 can be both horizontally installed on horizontal Y-axis slide 4, can also right angle setting In on horizontal Y-axis slide 4, gauge fixed seat 7 can tandem slip on slide.

Optionally, the left and right sides of the X transverse axis 2 is provided with Z axis stent 3, is installed vertically on the upper table of pedestal 5 Face, X transverse axis 2 are arranged at 5 top of pedestal between two Z axis stents 3, are kept with projection of the horizontal Y-axis slide 4 on pedestal 5 Perpendicular quadrature relation.

Optionally, the probe 6 is be oppositely arranged two, and when test makes gauge be between two probes to PCBA Plate carries out tow sides and is detected, and probe base 1 can rely on X transverse axis 2 to carry out side-to-side movement, can also rely on Z axis branch Slide on frame 3 moves up and down.

Preferably, when gauge is installed vertically in gauge fixed seat 7,6 level of probe is oppositely disposed fixes in probe The lower end of seat 1（As shown in fig. 1）；When gauge is horizontally installed in gauge fixed seat 7, probe 6 is arranged at vertically oppositely The lower end of probe base 1（As shown in Figure 2）.

The gauge fixed seat 7 is, for example, that PCBA board fixed seat but do not regard it as is limited, and gauge type can be according to specific The shape and structure of tested PCBA board are replaced, it is only necessary to which the location hole 71 on gauge lower surface and gauge fixed seat 7 is matched somebody with somebody It closes fixed.

Motion control card in the computer can control this by identifying the signal point position information of PCBA board Probe base 1 is in vertical direction（Z axis holder orientation）Upper movement, in horizontal cross（X X directions）Upper movement and in water Flat longitudinal direction（Y-axis slide direction）Upper movement controls each signaling point that probe 6 is aligned on tested PCB A plates, then will test it is each The corresponding signal of standard data stock in detection signal and control device that signaling point obtains is compared, and signal occurs different Often just the PCBA board is taken off, puts substandard products area into, it is non-defective unit that it is out of question, which all to detect signal,.

Optionally, linear transmission mechanism is provided in the gearshift, the linear transmission mechanism is gear teeth One or more of strip transmission mechanism, screw nut driving mechanism, tape handler or chain-drive mechanism.

Optionally, the positioning hole number is at least 3, is preferably 4 in present embodiment, for fixed tested PCBA board fixed jig.

The operating procedure of PCBA board signal contrast equipment is as follows disclosed in the utility model：

S1：First place PCBA board：Selection is suitble to the fixed jig of tested PCB A plates, then fixed jig is fixed by gauge Location hole 71 on seat 7 is fixed in gauge fixed seat 7, and PCBA board to be measured is placed on gauge；

S2：Input data：By the cad file of the signaling point distributed intelligence of tested PCB A plates, TXT and EXCEL grades it is any one It is a to be input in computer, the non-defective unit model of a piece of tested product is taken, by the normal detection signal data of each signaling point to be tested It is transmitted in computer, that is to say the standard data storehouse for establishing tested product.

S3：It is tested：The probe 6 and gauge fixed seat 7 are controlled in X transverse axis 2, Y-axis slide 4 and Z axis branch by computer Movement on 3 direction of frame carries out to be tested, then by the signal of the standard data storehouse corresponding points in test signal and computer Comparison, if inconsistent the product be defective products, be drawn off being put into defective products area, then test it is next, until test Complete all selected projects, parameters are considered as non-defective unit all in critical field.

The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every Equivalents made based on the specification and figures of the utility model, such as substitute XY platforms or straight with mechanical arm It connects or is used in relevant technical field indirectly, be equally included in the patent within the scope of the utility model.

Claims

1. a kind of PCBA board signal contrast equipment, which is characterized in that described including pedestal, probe base and gauge fixed seat Pedestal on be provided with the port being electrically connected with computer, the port being electrically connected with oscillograph or data acquisition card is described The lower end of probe base be fixed with probe, it is characterised in that：Further including can provide for probe and gauge fixed seat in sky Between three-dimensional relative displacement gearshift, the gearshift include left and right straight-line displacement axis, tandem offset axis With upper and lower straight-line displacement axis, the probe base is slidably mounted on left and right straight-line displacement axis, and gauge fixed seat can It is slidably mounted on tandem offset axis, the location hole of fixed tested PCB A plate gauges, institute is provided in gauge fixed seat The location information of signaling point on the normal detection signal and tested PCB A plates of tested PCB A plates is stored in the computer stated, it is described Computer control position of the probe base on space three-dimensional direction by identifying the signal point position information of PCBA board Make each signaling point on probe alignment tested PCB A plates, the detection signal that each signaling point is obtained is with storing in a computer The normal detection signals of tested PCB A plates compared, signal occur it is abnormal then judges tested PCB A plates for substandard products, all believe Number tested PCB A plates are then normally judged for non-defective unit, the probe is relative level or two vertically disposed, and when test makes to control Tool carries out tow sides to PCBA board between two probes and is detected, and the gauge fixed seat is horizontally or vertically installed In on horizontal Y-axis slide, when gauge is installed vertically in gauge fixed seat, probe level is oppositely disposed in probe base Lower end, when gauge is horizontally installed in gauge fixed seat, probe is arranged at the lower end of probe base vertically oppositely.

2. PCBA board signal contrast equipment according to claim 1, it is characterised in that：The gauge fixed seat it is horizontal or It is installed vertically on tandem offset axis, slide is provided on the tandem offset axis, gauge fixed seat is in slide On can tandem slide.

3. PCBA board signal contrast equipment according to claim 1, it is characterised in that：The left and right straight-line displacement axis The left and right sides is provided with vertical support frame, and the vertical support frame is installed vertically on base upper surface, and straight-line displacement axis in left and right is with before Projection of the straight-line displacement axis on pedestal is vertical afterwards.

4. PCBA board signal contrast equipment according to claim 1, it is characterised in that：It is provided in the gearshift Linear transmission mechanism.

5. PCBA board signal contrast equipment according to claim 4, it is characterised in that：The linear transmission mechanism is tooth Take turns one or more of rack gear, screw nut driving mechanism, tape handler or chain-drive mechanism.

6. PCBA board signal contrast equipment according to claim 1, it is characterised in that：The positioning hole number is at least 3.