CN113625157A - Circuit board detection device - Google Patents
Circuit board detection device Download PDFInfo
- Publication number
- CN113625157A CN113625157A CN202111006752.5A CN202111006752A CN113625157A CN 113625157 A CN113625157 A CN 113625157A CN 202111006752 A CN202111006752 A CN 202111006752A CN 113625157 A CN113625157 A CN 113625157A
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- detection
- pcb
- detected
- hole
- circuit board
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- 238000001514 detection method Methods 0.000 title claims abstract description 97
- 238000012360 testing method Methods 0.000 claims description 12
- 238000007689 inspection Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
- G01R31/2808—Holding, conveying or contacting devices, e.g. test adapters, edge connectors, extender boards
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
The invention discloses a circuit board detection device which comprises a jig body and a plurality of groups of detection connectors fixed on the jig body, wherein the detection connectors are correspondingly superposed with the connection positions of the detection connectors of a PCB to be detected one by one. The circuit board detection device provided by the invention can obviously improve the connection efficiency with the PCB to be detected, and further improve the detection efficiency of the PCB to be detected.
Description
Technical Field
The invention relates to the field of electronic device detection, in particular to a circuit board detection device.
Background
When the novel PCB is applied to an actual PCB, the PCB needs to be tested and verified so as to ensure that each parameter of the material can meet the PCB design of a high-speed signal. In the testing process, a testing instrument, a cable and a PCB to be tested are used. When the cable is connected with the PCB to be tested, the method comprises the following steps: first, securing a cable to a test instrument; secondly, fixing the SMA connector to the PCB; thirdly, connecting the other end of the cable with the SMA connector; and fourthly, reading data on the test instrument and storing the data to be analyzed.
In the prior art, the SMA connector is fixed on the PCB by holding the SMA by one hand and holding the screw by the other hand, so that the screw hole on the SMA connector, the screw hole reserved on the PCB and the screw are placed on the same straight line, and the screw is screwed. Then all the SMA's are mounted in a one-to-one correspondence according to the number of signals to be measured on the test board. And finally, screwing down the screw by using an electric screwdriver, and fixing the SMA connector on the PCB. The SMA connector needs to be operated by two hands simultaneously in the aligning and fixing process, which is very inconvenient, and the SMA connector is limited by the adjacent SMA connector when being aligned and fixed, so that the operation space is limited. More importantly, when the PCB detects, a plurality of SMA connectors need to be connected simultaneously, and especially when a large amount of PCBs need to be detected, the detection efficiency is low.
How to overcome the problem of low testing efficiency of the PCB becomes a technical problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a circuit board detection device which can improve the detection efficiency of a PCB to be detected.
In order to achieve the purpose, the invention provides a circuit board detection device which comprises a jig body and a plurality of groups of detection connectors fixed on the jig body, wherein the detection connectors are correspondingly superposed with the connection positions of the detection connectors of a PCB to be detected one by one.
Optionally, the jig body includes a fixing plate and a column connected to the bottom of the fixing plate, and the fixing plate is provided with a fixing hole for fixing the detection joint; and the sum of the hole depth of the fixing hole and the height of the upright post is less than or equal to the height of the detection joint.
Optionally, the upright post is provided with a positioning hole penetrating through to the upper end surface of the fixing plate.
Optionally, the detection joint is an SMA joint, and the fixing hole is a kidney-shaped hole matched with the SMA joint.
Optionally, the jig further comprises a second jig for pressing the PCB to be detected on the jig body.
Optionally, the second jig is a plate-shaped structure arranged opposite to the jig body up and down.
Optionally, when the jig body comprises a stand column and the stand column is provided with a positioning hole, the positioning hole is used for being matched with a positioning piece to position the PCB to be detected, and the second jig is provided with second fastening holes which are in one-to-one correspondence with the positioning hole.
Optionally, the second jig is provided with third fastening holes which are in one-to-one correspondence with screw holes for fixing the detection joints on the PCB to be detected.
Optionally, the third fastening hole is a stepped hole, a fastening piece used for connecting the PCB to be detected and the detection connector is arranged in the stepped hole, the fastening piece is provided with an annular limiting portion, and a spring is abutted between the annular limiting portion and a stepped surface of the stepped hole.
Optionally, the upper surface of the jig body is provided with a positioning groove for positioning the PCB to be detected, so that when the PCB to be detected is arranged in the positioning groove, the detection connector is correspondingly connected with the PCB to be detected.
Compared with the prior art, the invention particularly designs a circuit board detection device aiming at the problem that detection efficiency is low because a plurality of groups of detection connectors are required to be connected with a PCB to be detected and the detection connectors are required to be frequently disassembled and assembled during a large amount of detection. The screw can be accomplished to the one hand and is placed, also need not to counterpoint one by one when waiting to detect the PCB and detect changing and put fixed detection joint to showing and having promoted the detection efficiency who waits to detect the PCB.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic diagram of a circuit board inspection apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of the fixture body in FIG. 1;
FIG. 3 is a cross-sectional view of a circuit board inspection device according to another embodiment of the present invention;
fig. 4 is a cross-sectional view of a circuit board inspection device according to a preferred embodiment of the present invention;
fig. 5 is a cross-sectional view of a second fixture and a detection joint provided in another preferred embodiment of the present invention.
Wherein:
01-PCB to be detected, 02-screw;
1-a jig body, 2-a second jig, 3-a fastener, 4-a spring and 5-a detection joint;
11-a fixing plate, 12-a fixing hole, 13-an upright column, 14-a positioning hole, 15-a positioning groove and 16-a first fastening hole;
21-second fastening hole, 22-third fastening hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The circuit board detection device provided by the invention comprises a plurality of groups of detection connectors 5, wherein the jig body 1 is fixed on the jig body 1, after the PCB01 to be detected is aligned with the jig body 1, screw holes of the detection connectors 5 fixed on the jig body 1 are superposed with screw holes, which are used for fixing the detection connectors 5, on the PCB01 to be detected, a detector only needs to hold a screw 02 with one hand to put into the screw hole on the PCB01 to be detected, and the screw 02 is fastened by using an electric screwdriver, so that the detection connectors 5 are connected with the PCB01 to be detected. When waiting to detect PCB01 when needs to be changed, only need dismouting screw 02 can, need not to dismantle one by one and put test connector 5 and carry out test connector 5 and wait to detect PCB01 counterpoint, be showing and promoted to wait to detect PCB01 and test connector 5's connection efficiency, and then promoted to wait to detect PCB 01's detection efficiency.
It should be noted that the connection position of the detection connector in the present application specifically refers to a portion of the surface of the PCB01 to be detected, which is attached to the detection connector 5 when the detection connector 5 is connected to the PCB01 to be detected.
Based on the above understanding, the circuit board inspection device provided by the present invention is described in more detail below with reference to the accompanying drawings and specific embodiments.
In an embodiment of the present invention, the structure and the operation principle of the circuit board inspection apparatus are shown in fig. 1 and fig. 2. The circuit board detection device comprises a jig body 1 and a detection connector 5, wherein the detection connector is fixed on the jig body 1. The jig body 1 specifically comprises a fixing plate 11 and a column 13 connected to the lower surface of the fixing plate 11. The fixing hole 12 is correspondingly arranged on the fixing plate 11 according to the connecting position of the detection connector of the PCB01 to be detected, the fixing hole 12 penetrates through the fixing plate 11, the shape of the fixing hole 12 is matched with the detection connector 5, and the detection connector 5 can be just detachably fixed in the fixing hole 12.
Further, the fixing plate 11 is a rectangular plate, the upright columns 13 are four groups and are respectively arranged at four corners of the fixing plate 11, the sum of the height of the upright columns 13 and the depth of the fixing holes 12 is equal to or slightly smaller than the height of the detection joint 5, so that after the detection joint 5 is arranged in the fixing holes 12, the connection end face of the detection joint 5 can be at least flush with the upper end face of the fixing plate 11 or slightly protrude out of the upper end face of the fixing plate 11, and the detection joint 5 is guaranteed to be in good contact with the PCB01 to be detected.
In this embodiment, the detection joint 5 is an SMA joint, and the fixing hole 12 is a kidney-shaped hole adapted to the SMA joint. When the detection joint 5 of other models is used for detection, the shape of the fixing hole 12 can be flexibly set according to the requirement, and the fixing hole 12 is ensured to be matched with the detection joint 5. In other words, the fixing holes 12 may all be waist-shaped holes, or holes of other shapes, such as rectangular holes, or holes formed by mixing rectangular holes and waist-shaped holes, specifically determined by the type of the detection connector 5 required by the PCB01 to be detected, and the number and positions of the fixing holes 12 and the detection connectors 5 are determined by the number and connection position positions of the detection connectors 5 required by the PCB01 to be detected.
It is worth mentioning that the stand 13 not only plays the effect of supporting the fixed plate 11, but also plays the effect of fixing the tool body 1 to the detection mesa, avoids moving the tool body 1 in the testing process, causes to wait to detect that PCB01 and detection joint 5 can't aim at or influence the testing result. The jig body 1 can be fixed by forming a positioning hole 14 penetrating through the upper end surface of the fixing plate 11 in the jig body 1 and inserting a positioning member into the positioning hole 14 and the detection table top.
In another embodiment of the present invention, as shown in fig. 3, the circuit board detection device includes not only the fixture body 1, but also a second fixture 2 which cooperates with the fixture body 1 to press the PCB01 to be detected onto the upper surface of the fixture body 1. Detection joint 5 is installed in the fixed orifices 12 of tool body 1, and tool body 1 is fixed to detecting the mesa through stand 13 on, detects the PCB01 and aims at detection joint 5 and place on tool body 1, and second tool 2 then cooperates tool body 1 will detect that PCB01 presss from both sides tightly, guarantees to detect PCB01 and detects the detection joint 5 contact well that fixes at tool body 1.
Particularly, the sizes of the fixing plate 11 of the jig body 1 and the second jig 2 can be set to be larger than the size of the PCB01 to be detected, the positioning holes 14 are formed in the columns 13 on the periphery of the fixing plate 11 of the jig body 1, the second fastening holes 22 with the same number and positions as the positioning holes 14 are formed in the periphery of the second jig 2, the positioning holes 14 are penetrated through by positioning pieces such as fastening bolts, the hole position and the second fastening hole 21 of the PCB01 to be detected, the second jig 2 and the jig body 1 are fastened, the PCB01 to be detected is accurately positioned and clamped, and the good contact between the PCB01 to be detected and the detection connector 5 is ensured. In this embodiment, the second jig 2 specifically adopts a plate-shaped member.
As a preferred embodiment of the present invention, in order to facilitate the quick alignment between the PCB01 to be detected and the plurality of detection connectors 5 fixed on the fixture body 1, the circuit board detection apparatus provided by the present invention further includes a positioning slot 15 formed on the upper end surface of the fixing plate 11, and a fixing hole 12 formed at the bottom of the positioning slot 15, as shown in fig. 4. The size of the positioning slot 15 is matched with that of the PCB01 to be detected, and when the PCB01 to be detected is placed in the positioning slot 15, the detection connector 5 fixed in the fixing hole 12 is just aligned with the PCB01 to be detected. The jig body 1 is fixed relative to the detection table board through a positioning hole 14 formed in the stand column 13, the fixing plate 11 is provided with a first fastening hole 16, the second jig 2 is provided with second fastening holes 21, the number and the positions of the second fastening holes 21 are the same as those of the first fastening holes 16, and the jig body 1 and the second jig 2 are matched to clamp and fix the PCB01 to be detected.
Further, the degree of depth of constant head tank 15 slightly is lighter than the thickness of waiting to detect PCB01 to in second tool 2 fully with wait to detect PCB01 contact, cooperation tool body 1 will wait to detect PCB01 and press from both sides tightly. It can be understood that, the degree of depth of constant head tank 15 can also set up to be greater than the thickness of waiting to detect PCB01, can compress tightly to detect PCB01 for guaranteeing second tool 2, and the lower surface of second tool 2 sets up protruding boss down, and the bottom surface of boss is used for and waits to detect PCB01 laminating, and the size of boss bottom surface is the same with waiting to detect PCB01 or slightly less than waiting to detect PCB 01.
Referring to fig. 5, in another preferred embodiment of the present invention, the circuit board inspection apparatus includes a fixture body 1 and a second fixture 2. The jig body 1 is configured by referring to the form of the fixing plate 11 and the upright post 13 described in the above embodiment, and the second jig 2 is provided with third fastening holes 22 corresponding to the screw holes on the PCB01 to be detected for fixing the detection joints 5 one by one. For example, the PCB01 to be detected needs to be connected with N detection connectors 5, that is, the PCB01 to be detected is provided with 2N screw holes, and the second fixture 2 is provided with 2N third fastening holes 22. When treating and detect PCB01 and examine time measuring, will treat to detect PCB01 and fix the detection connection 5 alignment of tool body 1 and place, then with the third fastening hole 22 on second tool 2 with wait to detect the screw on the PCB01 and aim at, put into fastener 3 one by one and utilize electric screwdriver fastening can, will treat through fastener 3 and detect PCB01 and detection connection 5 and be connected, improved and treat the reliability that PCB01 and detection connection 5 are connected.
When waiting to detect PCB01 when needs to be changed, only need with fastener 3 not hard up, whole take off second tool 2 can, when waiting to detect PCB01 once more fixedly, only need place second tool 2 and wait to detect the top of PCB01, then with fastener 3 screw up can, need not to place fastener 3 one by one again to showing and having promoted detection efficiency.
Preferably, the third fastening hole 22 is a stepped hole, a spring 4 is further arranged between a stepped surface of the stepped hole and the annular limiting portion of the fastening piece 3, the spring 4 is sleeved on the fastening piece 3, and the bottom end of the fastening piece 3 is located in the third fastening hole 22 by means of the arrangement of the spring 4 when the fastening piece 3 is not connected with the PCB01 to be detected and the detection joint 5, so that the fastening piece 3 is prevented from influencing the alignment of the second jig 2 and the PCB01 to be detected or scratching the PCB01 to be detected. After the second jig 2 is placed, the electric screwdriver is utilized to slightly press the fastener 3 to fasten and connect the PCB01 to be detected and the detection connector 5. The two ends of the spring 4 can be respectively glued on the step surface of the stepped hole and the annular limiting part of the fastener 3, so that the fastener 3 is prevented from being lost when the second jig 2 is placed upside down.
According to the circuit board detection device provided by the invention, the detection connectors 5 are fixed on the jig body 1 in a one-to-one correspondence manner according to the connection requirements of the PCBs 01 to be detected, and when a large number of PCBs 01 to be detected are subjected to connection detection, the detection connectors 5 do not need to be placed and fixed in a one-to-one contraposition manner, so that the detection efficiency of the PCBs 01 to be detected is obviously improved.
It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The circuit board detection device provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The circuit board detection device is characterized by comprising a jig body and a plurality of groups of detection joints fixed on the jig body, wherein the detection joints are coincided with the detection joint connection positions of a PCB to be detected in a one-to-one correspondence mode.
2. The device for detecting the circuit board according to claim 1, wherein the jig body comprises a fixing plate and a column connected to the bottom of the fixing plate, and the fixing plate is provided with a fixing hole for fixing the detection joint; and the sum of the hole depth of the fixing hole and the height of the upright post is less than or equal to the height of the detection joint.
3. The apparatus of claim 2, wherein the posts have positioning holes extending through the upper end surface of the fixing plate.
4. The circuit board detection device of claim 2, wherein the detection connector is an SMA connector, and the fixing hole is a kidney-shaped hole matched with the SMA connector.
5. The device for testing the PCB of any one of claims 1 to 4, further comprising a second fixture for pressing the PCB to be tested on the fixture body.
6. The device for detecting the circuit board according to claim 5, wherein the second jig has a plate-like structure disposed opposite to the jig body.
7. The device for detecting the circuit board according to claim 5, wherein when the jig body includes a column and the column is provided with a positioning hole, the positioning hole is used for being matched with a positioning piece to position the PCB to be detected, and the second jig is provided with second fastening holes which are arranged in one-to-one correspondence to the positioning hole.
8. The circuit board detection device according to claim 5, wherein the second fixture is provided with third fastening holes which are arranged in one-to-one correspondence to the screw holes for fixing the detection connectors on the PCB to be detected.
9. The circuit board detection device according to claim 8, wherein the third fastening hole is a stepped hole, a fastening member for connecting the PCB to be detected and the detection connector is disposed in the stepped hole, the fastening member is provided with an annular limiting portion, and a spring is abutted between the annular limiting portion and a stepped surface of the stepped hole.
10. The device for detecting the circuit board according to any one of claims 1 to 4, wherein the fixture body has a positioning groove formed on an upper surface thereof for positioning the PCB to be detected, so that the detection connector is correspondingly connected to the PCB to be detected when the PCB to be detected is disposed in the positioning groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111006752.5A CN113625157A (en) | 2021-08-30 | 2021-08-30 | Circuit board detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111006752.5A CN113625157A (en) | 2021-08-30 | 2021-08-30 | Circuit board detection device |
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| Publication Number | Publication Date |
|---|---|
| CN113625157A true CN113625157A (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111006752.5A Pending CN113625157A (en) | 2021-08-30 | 2021-08-30 | Circuit board detection device |
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Application publication date: 20211109 |