CN209417225U - PCBA board test fixture - Google Patents
PCBA board test fixture Download PDFInfo
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- CN209417225U CN209417225U CN201822006771.8U CN201822006771U CN209417225U CN 209417225 U CN209417225 U CN 209417225U CN 201822006771 U CN201822006771 U CN 201822006771U CN 209417225 U CN209417225 U CN 209417225U
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- pcba board
- loudspeaker
- test fixture
- pedestal
- probe
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Abstract
The utility model discloses a kind of PCBA board test fixture, the PCBA board test fixture includes multiple probes, clamping device and the multiple loudspeaker of pedestal and setting on the base for placing PCBA board, engraved structure is offered on the pedestal, the loudspeaker correspond to the engraved structure setting, the probe is respectively aligned to the pilot to be measured in the PCBA board, and the probe is electrically connected with the loudspeaker.In technical solutions of the utility model, PCBA board to be measured is fixed on test platform, the electric signal for the PCBA board that probe will test is conducted to the left and right loudspeaker in pedestal, and testing staff judges whether the function of PCBA board is qualified by listening attentively to the sound effect of left and right loudspeaker.By the way that loudspeaker are embedded in pedestal, avoid causes to block horn mouth because dust enters；By hollow out at the side wall loudspeaker position of pedestal, the sound that loudspeaker play exhales to ensure that the sound quality of loudspeaker output, and then improve the effect of sound detection by engraved structure.
Description
Technical field
The utility model relates to electronic manufacture testing fields, and in particular to a kind of PCBA board test fixture.
Background technique
With the fast development of electronics industry, the requirement of the reliability and accuracy of Electronic Testing tooling is higher and higher.?
TV manufacturing field, the intermediate link of production need to carry out mainboard PCBA (Printed Circuit Board Assemble)
Functional test, for example, detection mainboard sound effect.Test method traditional at present is to connect PCBA to be measured and test fixture
The method for connecing, and connecting all is first to fix test probe, is then connect probe with test horn with connecting line, completion sound
The detection of sound.
When the test frequency of test fixture is high, when the testing time is long, dust may block loudspeaker air hole, cause to test
There may be following problems for jig: test sound effect is bad and generates machine shake noise, left and right acoustic channels and survey are hard to tell in test
Examination personnel are unable to visual inspection, increase the difficulty of test, or even the loudspeaker needs for the test fixture having are taken out inside tooling
Detection, to be easy to damage loudspeaker connecting line by pressure, reduces the accuracy of test fixture.
Therefore, it is necessary to provide a kind of PCBA board test fixture to solve the above technical problems.
Utility model content
The main purpose of the utility model is to provide a kind of PCBA board test fixture, is blocked with solving dust in test fixture
Horn mouth and the bad problem of sound effect.
To achieve the above object, the utility model proposes PCBA board test fixture include: bottom for placing PCBA board
Seat and setting multiple probes on the base, clamping device and multiple loudspeaker offer engraved structure on the pedestal,
The loudspeaker correspond to the engraved structure setting, and the probe is respectively aligned to the pilot to be measured in the PCBA board, the probe
It is electrically connected with the loudspeaker.
Preferably, the pedestal includes the loading plate on the side wall of tubular and the one end for being set to the side wall, described
Engraved structure is opened on the side wall, and the loudspeaker are located in the pedestal and the horn mouth of the loudspeaker corresponds to the hollow out
Structure setting, the probe are set on the loading plate.
Preferably, multiple loudspeaker are arranged in pairs in pedestal.
Preferably, the PCBA board test fixture further includes the test platform of setting on the base, and the test is flat
Platform is for placing PCBA board to be measured.
Preferably, the test platform includes bottom plate and multiple limited posts, and the bottom plate is fixed on institute by the limited post
It states on pedestal.
Preferably, being provided on the bottom plate can pass through described recessed with the matched groove of the PCBA board, the probe
The slot bottom of slot is contacted with the PCBA board.
Preferably, the clamping device includes the support arm being set on the pedestal, is arranged on the support arm
It compresses platform and is fixed on the multiple compression legs compressed below platform, the compression leg is used to the PCBA board being pressed in the bottom
On seat.
Preferably, the clamping device further includes connecting the support arm and the telescopic shaft for compressing platform, described to stretch
Contracting axis is able to drive the compression platform and compresses or far from the PCBA board.
Preferably, the PCBA board test fixture further includes display screen, and the display screen is electrically connected with the probe.
Preferably, the loudspeaker are electrically connected with the probe by connecting line.
In technical solutions of the utility model, PCBA board is fixed on test platform by clamping device, using probe by mainboard
The audio signal of output is transmitted in the left and right loudspeaker of pedestal hollow part, judges PCBA function by listening attentively to the sound of loudspeaker broadcasting
It can qualification.Loudspeaker are embedded in pedestal by this programme, can be prevented dust from entering loudspeaker and be accumulated and block horn mouth, pedestal
At engraved structure, speaker sound exhales to improve the sound of loudspeaker output by engraved structure the interior Position Design for placing loudspeaker
Sound quality is in order to detect, the consistency and accuracy of enhancing PCBA jig test.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of the PCBA board test fixture of the utility model；
Fig. 2 is the schematic front view of the PCBA board test fixture of the utility model；
Fig. 3 is the schematic top plan view of the PCBA board test fixture of the utility model；
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 10 | Pedestal | 20 | Probe |
| 30 | Clamping device | 31 | Support arm |
| 32 | Compress platform | 33 | Compression leg |
| 34 | Telescopic shaft | 40 | Loudspeaker |
| 50 | Test platform | 51 | Bottom plate |
| 52 | Limited post | 60 | PCBA board |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage
Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.It is " more in the description of the present invention,
It is a " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason
Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral；It can be mechanical connection, it can also
To be electrical connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary
Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
It in addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability
Based on domain those of ordinary skill can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of this technical solution is not present, also not within the protection scope of the requires of the utility model.
The utility model proposes a kind of PCBA board test fixtures, to solve dust blocking horn mouth and sound in test fixture
Ineffective problem.
Fig. 1 is please referred to, in an embodiment of the utility model, which includes for placing PCBA board 60
Pedestal 10 and the multiple probes 20, clamping device 30 and the multiple loudspeaker 40 that are arranged on pedestal 10, wherein opened on pedestal 10
Equipped with engraved structure, the corresponding engraved structure setting of loudspeaker 40, probe is respectively aligned to the pilot to be measured in PCBA board 60, probe 20 with
Loudspeaker 40 are electrically connected, and are able to detect the audio signal of the broadcasting of PCBA board 60.In this embodiment, PCBA board 60 is placed on pedestal
On, clamping device 30 is downwards close to PCBA board 60 to which PCBA board 60 to be measured to be pressed on pedestal 10, and insertion is used in the base
In the loudspeaker of detection, the audio signal that the PCBA board 60 that probe 20 will test plays is transmitted in loudspeaker 40, and testing staff is logical
It crosses and listens attentively to the results of broadcast of loudspeaker 40 to judge whether mainboard PCBA module is qualified.In the above-mentioned technical solutions, by by loudspeaker
40 are arranged in pedestal 10, can prevent dust from entering and blocking 40 mouthfuls of loudspeaker, and the position for loudspeaker 40 being placed in pedestal 10
According to the engraved structure that loudspeaker 40 are sized and dimensioned to, the sound for playing loudspeaker 40 exhales to come better by engraved structure,
And then the sound quality that loudspeaker 40 export is improved, it is detected convenient for testing staff.Wherein, part probe 20 can be used for connecting with power supply
It connects, so as to provide test required power supply for PCBA board 60.
As depicted in figs. 1 and 2, the side wall of pedestal 10 including tubular and the loading plate being set on one end of side wall, loudspeaker
40 40 mouthfuls of loudspeaker corresponding engraved structures settings interior positioned at pedestal 10 and loudspeaker 40, probe 20 is set on loading plate, multiple
Loudspeaker 40 are arranged in pairs in pedestal 10.In a preferred embodiment, two loudspeaker 40 are symmetrical set in pedestal 10
In side wall, engraved structure is opened up on the corresponding side wall of horn mouth and faces testing staff, this be symmetrical set can make to detect
Personnel preferably distinguish the sound of left and right acoustic channels.After receiving audio signal, left and right loudspeaker 40 will believe the audio received
It number plays back in a voice form, it is impacted that engraved structure can prevent from playing sound quality, improves audio detection effect.At it
In his embodiment, the quantity of loudspeaker 40 can be arranged in pairs for four, six etc., and the number of speakers phase for detecting left and right acoustic channels
Together.
As shown in figures 1 and 3, PCBA board test fixture further includes the test platform 50 being arranged on pedestal 10, and test is flat
Platform 50 is for placing PCBA board 60 to be measured, to promote the stability of PCBA board 60 during the test.Test platform 50 includes bottom
Bottom plate 51 is fixed on pedestal 10 by plate 51 and multiple limited posts 52, limited post 52, while bottom plate 51 can also be made the bottom of relative to
Seat 10 positions, to ensure that probe 20 can be installed accurately.It is provided on bottom plate 51 and the matched groove of PCBA board 60,20 energy of probe
Enough slot bottoms across groove are contacted with PCBA board 60, this groove can fix the position of PCBA board 60 to be measured, to improve detection
Accuracy.Wherein, the quantity of probe 20 can be arranged according to the quantity of the tested point of PCBA board 60 to be measured.
Referring again to Fig. 1, clamping device 30 includes the support arm 31 being set on pedestal, the pressure being arranged on support arm 31
Tight platform 32 and the multiple compression legs 33 for being fixed on 32 lower section of compression platform, compression leg 33 are used to PCBA board 60 being pressed in pedestal 10
On.Wherein, compressing platform 32 can be preferably rectangular morpheme or square, and be located at the surface of test platform 50, and six
Compression leg 33 is distributed in four square positions and central horizontal line for compressing platform 32, compresses the support arm 31 and compression leg of platform 32
33 are separately fixed at pedestal 10 by fastening assembly and compress on platform 32.In a preferred embodiment, when PCBA board 60 to be measured
It after being placed on test platform 50, compresses platform 32 and moves downward, when touching PCBA board 60, by compressing under platform 32
PCBA board 60 is pressed on test position by the compression leg 33 of side, to prevent during the test since the movement of PCBA board 60 makes to test
Point can not be aligned with probe 20 and test is caused to generate deviation.In other embodiments, the quantity of compression leg 33 may be configured as four
Or more, such as four, six, eight, and symmetrical setting.
Wherein, as depicted in figs. 1 and 2, clamping device 30 further includes the telescopic shaft for connecting support arm 31 and compressing platform 32
34,34 one end of telescopic shaft is fixed on the center position for compressing platform 32, and the other end, which can slide up and down, to be arranged in support arm
In 31, telescopic shaft 34 can be compressed or by stretching, extension or the tight platform 32 of shrinkage band dynamic pressure far from PCBA board 60.Wherein, telescopic shaft 34
It can preferably cylindrical or multi-edge column-shaped.In a preferred embodiment, telescopic shaft 34 can for electric telescopic rod, cylinder or
Hydraulic cylinder etc. is driven by stretching motion and compresses the up and down motion of platform 32.Alternatively, in other examples, telescopic shaft 34
It can also be screw rod, telescopic shaft 34 rotates clockwise or counter-clockwise drive compression platform 32 around own axes and moves downward compression
PCBA board 60, after the completion of test, telescopic shaft 34 moves upwards separate around own axes opposite direction rotation drive compression platform 32
PCBA board 60 simultaneously returns to initial position.Wherein, telescopic shaft 34 can be dynamic by the offers such as motor or pressed gas or pressure oil
Power carries out automatic telescopic or rotation, can also apply external force by operator and rotate.
In addition, PCBA board test fixture further includes display screen and connecting line, between display screen and probe 20, loudspeaker 40 and visit
It between needle 20 is electrically connected by connecting line, display screen can be by entire test process by connecting line during the test
Data show, so as to monitor and detection process, find the problem and be tracked in time.In a preferred embodiment, left loudspeaker
The positive and negative anodes tie point of connecting line connects corresponding left detection probe, and the positive and negative anodes tie point of right horn connecting line, which connects, to be corresponded to
Right detection probe.The signal that probe 20 detects is transmitted in left and right loudspeaker 40 by connecting line, is broadcast by the sound of loudspeaker 40
Effect is put to judge whether the function at left and right sides of mainboard is qualified.Wherein, the connecting line quantity root between loudspeaker 40 and probe 20
Depending on 20 quantity of detection probe of needs.
It is specifically described below by way of the course of work to PCBA board test fixture, to the technical side of the utility model
Case is further described.
Firstly, PCBA board 60 to be measured will be needed to be placed on test platform 50, power on, presses the control of automatically controlled module
Button compresses platform 32 and is moved downward under the drive of telescopic shaft 34 close to PCBA board 60, and passes through compression leg 33 for PCBA board 60
It is pressed on test platform 50, the electric signal for the PCBA board 60 that then probe 20 will test is exported and is conducted to by connecting line
Left and right loudspeaker 40 in pedestal 10, the sound that loudspeaker 40 play are exhaled by engraved structure come testing staff is by listening attentively to a left side
Whether the sound effect of right horn 40 is qualified come the function of judging PCBA board 60.After the completion of test, platform 32 is compressed in telescopic shaft
It is moved upwards under 34 drive far from PCBA board 60 and returns to initial position.During the test, by being embedded in loudspeaker 40
In pedestal 10, avoid causes dust to block 40 mouthfuls of loudspeaker because jig is used for multiple times；By 40 position hollow out of loudspeaker, sound is improved
The effect of detection.
The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all
Under the design of the utility model, equivalent structure transformation made based on the specification and figures of the utility model, or directly/
Other related technical areas are used in indirectly to be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of PCBA board test fixture, which is characterized in that the PCBA board test fixture includes the bottom for placing PCBA board
Seat and setting multiple probes on the base, clamping device and multiple loudspeaker offer engraved structure on the pedestal,
The loudspeaker correspond to the engraved structure setting, and the probe is respectively aligned to the pilot to be measured in the PCBA board, the probe
It is electrically connected with the loudspeaker.
2. PCBA board test fixture as described in claim 1, which is characterized in that the pedestal includes the side wall of tubular and sets
The loading plate being placed on one end of the side wall, the engraved structure are opened on the side wall, and the loudspeaker are located at the bottom
In seat and the horn mouth of the loudspeaker corresponds to the engraved structure setting, and the probe is set on the loading plate.
3. PCBA board test fixture as described in claim 1, which is characterized in that multiple loudspeaker are arranged in pairs in pedestal
It is interior.
4. PCBA board test fixture as claimed in any one of claims 1-3, which is characterized in that the PCBA board test fixture
It further include the test platform of setting on the base, the test platform is for placing PCBA board to be measured.
5. PCBA board test fixture as claimed in claim 4, which is characterized in that the test platform includes bottom plate and multiple limits
Position column, the limited post are fixed on the base by the bottom plate.
6. PCBA board test fixture as claimed in claim 5, which is characterized in that be provided on the bottom plate and the PCBA board
Matched groove, the slot bottom that the probe can pass through the groove are contacted with the PCBA board.
7. PCBA board test fixture as claimed in any one of claims 1-3, which is characterized in that the clamping device includes setting
The support arm that is placed on the pedestal, the compression platform being arranged on the support arm and being fixed on compresses more below platform
A compression leg, the compression leg are used to the PCBA board being pressed in the pedestal.
8. PCBA board test fixture as claimed in claim 7, which is characterized in that the clamping device further includes connecting the branch
Brace and the telescopic shaft for compressing platform, the telescopic shaft are able to drive the compression platform and compress or far from the PCBA
Plate.
9. PCBA board test fixture as claimed in any one of claims 1-3, which is characterized in that the PCBA board test fixture
It further include display screen, the display screen is electrically connected with the probe.
10. PCBA board test fixture as claimed in any one of claims 1-3, which is characterized in that the loudspeaker and the spy
Needle is carried out by connecting line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822006771.8U CN209417225U (en) | 2018-11-30 | 2018-11-30 | PCBA board test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822006771.8U CN209417225U (en) | 2018-11-30 | 2018-11-30 | PCBA board test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209417225U true CN209417225U (en) | 2019-09-20 |
Family
ID=67936430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822006771.8U Active CN209417225U (en) | 2018-11-30 | 2018-11-30 | PCBA board test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209417225U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112394279A (en) * | 2020-11-11 | 2021-02-23 | 深圳市鑫达辉软性电路科技有限公司 | Flexible circuit board production is with soft or hard combination position inspection tool |
| CN113125813A (en) * | 2021-04-20 | 2021-07-16 | 深圳市成蝶科技有限公司 | PCB function test fixture and test method |
-
2018
- 2018-11-30 CN CN201822006771.8U patent/CN209417225U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112394279A (en) * | 2020-11-11 | 2021-02-23 | 深圳市鑫达辉软性电路科技有限公司 | Flexible circuit board production is with soft or hard combination position inspection tool |
| CN113125813A (en) * | 2021-04-20 | 2021-07-16 | 深圳市成蝶科技有限公司 | PCB function test fixture and test method |
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