CN209247646U - A kind of test fixture - Google Patents
A kind of test fixture Download PDFInfo
- Publication number
- CN209247646U CN209247646U CN201822172988.6U CN201822172988U CN209247646U CN 209247646 U CN209247646 U CN 209247646U CN 201822172988 U CN201822172988 U CN 201822172988U CN 209247646 U CN209247646 U CN 209247646U
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- substrate
- sealing plate
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- identification device
- test fixture
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Abstract
The utility model provides a kind of test fixture, for shielding the test of lower optical bio specific identification device, including circuit board, the substrate on circuit board, the sealing plate on the substrate and the testing agency on the sealing plate；The circuit board is used to be electrically connected and provide test signal with the lower optical bio specific identification device of screen, the substrate and sealing plate form the space placed and shield lower optical bio specific identification device, the testing agency includes detection support, area source in detection support and set on area source towards the detection figure of substrate side, set on detection figure towards the glass cover-plate of substrate side and set on glass cover-plate towards the screen display layer of substrate side, or, the testing agency includes detection support, detection figure in detection support, set on detection figure towards the glass cover-plate of substrate side and set on glass cover-plate towards the spontaneous screen display layer of substrate side.Test fixture provided by the utility model effectively improves testing efficiency and precision.
Description
Technical field
The utility model relates to field of camera technology, more particularly to a kind of test fixture.
Background technique
With the high speed development of mobile phone industry, biometrics identification technology is popularized on mobile phone comprehensively, such as fingerprint
Identification technology；And as comprehensive screen has become the main trend of mobile phone development, such as shield under lower optical fingerprint identification technology screen
Biometrics identification technology has obtained extensive utilization.Biometrics identification technology, which generally requires, under existing screen uses camera
Device, but the test of existing common camera, which is set, cannot apply to shield lower optical bio specific identification device, how design use
In the test equipment for shielding lower optical bio specific identification device, the efficiency for improving test becomes a problem to be solved.
Utility model content
Technical problem to be solved in the utility model is to be capable of providing one kind for shielding lower optical bio feature identification dress
The test fixture set improves detection efficiency and precision.
In order to solve the above technical problems, the utility model provides a kind of test fixture, for shielding lower optical bio feature
The test of identification device including circuit board, the substrate on circuit board, the sealing plate on the substrate and is set to the envelope
Testing agency on plate；The circuit board is used to be electrically connected with the lower optical bio specific identification device of screen and provides test letter
Number, the substrate and sealing plate form the space placed and shield lower optical bio specific identification device, and the testing agency includes detection
Bracket, the area source in detection support and set on area source towards substrate side detection figure, be set to detection figure towards base
The glass cover-plate of plate side and set on glass cover-plate towards the screen display layer of substrate side, alternatively, the testing agency includes
Detection support, the barn door in detection support are schemed set on the barn door towards the detection figure of substrate side, set on detection
Towards the glass cover-plate of substrate side and set on glass cover-plate towards the spontaneous screen display layer of substrate side.
As a kind of preferred embodiment of the utility model, the substrate includes substrate pedestal, is used on substrate pedestal
Place the block board for shielding lower optical bio specific identification device, the spring under block board, the pressing plate on block board and
The connector being plugged on circuit board.
As a kind of preferred embodiment of the utility model, the bottom of the block board is equipped with magnet.
As a kind of preferred embodiment of the utility model, described sealing plate one end is equipped with pin hole, and the other end is equipped with spring eye；Institute
State pin hole for by pin-hinges in the substrate, the spring eye is used to be fixedly connected by buckle with the substrate.
As a kind of preferred embodiment of the utility model, the sealing plate includes sealing plate bracket, the tune on sealing plate bracket
Burnt ring and focusing ring snap-gauge, the focusing ring are configured to that the camera lens rotation for shielding lower optical bio specific identification device can be driven when rotation
Turn.
As a kind of preferred embodiment of the utility model, the focusing ring includes the tune for extending to the sealing plate stent outer
Close-burning structure, towards the step structure of the camera lens of optical bio specific identification device under the screen and for driving the convex of rotation of lens
Play structure.
As a kind of preferred embodiment of the utility model, the adjusting ring snap-gauge is known towards optical bio feature under the screen
The position of other device is equipped with horse structure.
As a kind of preferred embodiment of the utility model, the gap of the focusing ring and the sealing plate bracket is 0.1-
0.5mm。
It further include height adjustment mechanism as a kind of preferred embodiment of the utility model, the height adjustment mechanism is set to
On the sealing plate, it is configured for adjusting the height of the testing agency.
As a kind of preferred embodiment of the utility model, set in the detection support there are four the gage button for being located at four corners,
The height adjustment mechanism includes the high screw rod of survey, fixed sleeving, microdrum and the fastening screw with gage button cooperation；The height
Degree regulating mechanism is realized by the fastening screw and is fixedly connected with the sealing plate.
The utility model has the following technical effect that test fixture provided by the utility model is equipped with area source, inspection
The testing agency of mapping, glass cover-plate and screen display layer, can effectively under imitation screen optical bio specific identification device work
Make state, effectively increases testing efficiency and precision.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of test fixture provided by the utility model；
Fig. 2 is a kind of structural schematic diagram of testing agency provided by the utility model；
Fig. 3 is a kind of structural schematic diagram of substrate provided by the utility model；
Fig. 4 is the A-A diagrammatic cross-section of Fig. 3 provided by the utility model；
Fig. 5 is a kind of structural schematic diagram of sealing plate provided by the utility model；
Fig. 6 is the B-B diagrammatic cross-section of Fig. 5 provided by the utility model；
Fig. 7 is a kind of arrangement schematic diagram of gage button provided by the utility model；
Fig. 8 is a kind of structural schematic diagram of height adjustment mechanism provided by the utility model；
Fig. 9 is the structural schematic diagram of another testing agency provided by the utility model.
Specific embodiment
To make the purpose of this utility model, technical solution and advantage are clearer, with reference to the accompanying drawing to the utility model
Embodiment is described in further detail.Obviously, described embodiment is a part of the embodiment of the utility model, rather than
Whole embodiments.Based on described the embodiments of the present invention, those of ordinary skill in the art are without creative labor
Every other embodiment obtained under the premise of dynamic, fall within the protection scope of the utility model.
Unless otherwise defined, the technical term or scientific term that the utility model uses are should be belonging to the utility model
The ordinary meaning that personage in field with general technical ability is understood." first ", " second " used in the utility model and
Similar word is not offered as any sequence, quantity or importance, and is used only to distinguish different component parts.
Embodiment one
As shown in Figs. 1-2, which show a kind of test fixtures provided in this embodiment.The test fixture is for shielding lower optics
The test of biometric devices, including circuit board 1, the substrate 2 on circuit board 1, the sealing plate on the substrate 2
3 and the testing agency 4 on the sealing plate 3；The circuit board 1 is used to electrically connect with the lower optical bio specific identification device of screen
Test signal is connect and provides, the substrate 2 and sealing plate 3 form the space placed and shield lower optical bio specific identification device, described
Testing agency 4 includes detection support 41, the area source 42 in detection support 41 and is set to area source 42 towards 2 side of substrate
Detection Figure 43, set on detection Figure 43 towards the glass cover-plate 44 of 2 side of substrate and be set to glass cover-plate 44 towards 2 side of substrate
Screen display layer 45.
In this way, test fixture provided by the utility model is equipped with area source 42, detection Figure 43, glass cover-plate 44 and screen
The testing agency 4 of curtain display layer 45, can effectively under imitation screen optical bio specific identification device working condition, effectively improve
Testing efficiency and precision；Specifically, shielding lower optical bio specific identification device can be the knowledge of the fingerprint with cam device
Other mould group；Specifically, the thickness of glass cover-plate 44 can under tested screen when the work of optical bio specific identification device pair
The cover board for the electronic device answered is consistent；In view of the display layers such as such as AMOLED layers are usually minimum one of electronic device transmitance
Layer, therefore setting screen display layer 45 can effectively improve precision in test fixture；Area source 42 can issue light when test
Line provides optical signal and simulates the scene of bio-identification by detection Figure 43, and realizes corresponding test function, schemes about detection
43 setting can need to be arranged according to actual scene, this is the content of the prior art, and it is not described here in detail.The utility model mentions
For use by the setting of substrate 2 and sealing plate 3, the lower optical bio specific identification device of screen effectively can be accommodated and be fixed, circuit is passed through
Plate 1 realizes the offer of test signal, and certainly, the circuit board 1, which can be, is integrated with test device, is also possible to through row's needle etc.
Mode connects the offer that external test device realizes test signal, and the utility model is not limited thereto.The utility model provides
Test fixture can effectively improve testing efficiency and precision effective for shielding the test of lower optical bio specific identification device.
Specifically, in the present embodiment, as shown in Figure 3-4, the substrate 2 includes substrate pedestal 21, is set to substrate pedestal
For placing the block board 22 for shielding lower optical bio specific identification device, the spring 23 under block board 22, being set to card on 21
Pressing plate 24 on the plate of position and the connector 25 that is plugged on circuit board 1.Specifically, it can be equipped on the substrate pedestal 21 multiple
Bolt hole 211 is fixed on circuit board 1 for being bolted, and is also provided with multiple guide holes cooperated with circuit board 1
212, the convenient contraposition with circuit board 1 is assembled；It is also provided with pin hole 213 on the substrate pedestal 21, for passing through pin
Realize the handover with the sealing plate 3.Since block board 22 has spring 23, block board 22 has been effectively ensured to be had on vertical
Certain adjusting space and it can guarantee that the lower optical bio specific identification device of screen fits closely between substrate 2 and sealing plate 3；It is set to
Pressing plate 24 on block board 22 can effectively realize position-limiting action.Preferably, the bottom of the block board 22 is equipped with magnet 221,
So as to realize preferably absorption and the lower optical bio specific identification device of fixed screen.The connector 25 can directly pass through
In thimble grafting and circuit board 1, setting connector 25, which can effectively facilitate, realizes circuit board 1 and the lower optical bio feature identification of screen
The electric connection of device improves testing efficiency.
Specifically, in the present embodiment, as seen in figs. 5-6, described 3 one end of sealing plate is equipped with pin hole 311, and the other end is equipped with bullet
Spring hole 312；The pin hole 311 is used for through pin-hinges in the substrate 2, the spring eye 312 be used for by buckle with
The substrate 2 is fixedly connected.One end of sealing plate 3 can be articulated on substrate 2 in this way, facilitate the opening and closing of sealing plate 3, side
Just shield the placement of lower optical bio specific identification device；Effective fixation with substrate 2 may be implemented in the other end when closed, setting
Spring eye 312 can also effectively realize that automatically reseting for buckle improves measuring stability and precision to gripping orientation.
Specifically, in the present embodiment, the sealing plate 3 includes sealing plate bracket 31, the focusing ring on sealing plate bracket 31
32 and focusing ring snap-gauge 33, the focusing ring 32 is configured to that the camera lens for shielding lower optical bio specific identification device can be driven when rotation
Rotation.In this way, can also realize the tune to optical bio specific identification device under adjustable screen after being provided with focusing ring 32
Coke test.Specifically, the focusing ring 32 includes the focusing structure 321 for extending to 31 outside of sealing plate bracket, described in
Shield the step structure 22 of the camera lens of lower optical bio specific identification device and the bulge-structure 323 for driving rotation of lens.Tool
Body, the focusing structure 321 may include at least six protrusions, so that skidding when transferring focusing ring 32 manually is effectively ensured,
Guarantee testing efficiency and precision；Light can be effectively prevented by the light for stopping reduction to enter camera lens provided with step structure 322；
It can effectively be realized by bulge-structure 323 and realize drive camera lens with the cooperation for the camera lens for shielding lower optical bio specific identification device
Focusing function is realized in rotation.Preferably, the gap of the focusing ring 32 and the sealing plate bracket 31 is 0.1-0.5mm；In this way may be used
To guarantee being freely rotated for focusing ring 32, when the camera lens of optical bio specific identification device does not have detent to bulge-structure under screen
It prevents by dieback.Preferably, the position for adjusting ring snap-gauge 33 towards optical bio specific identification device under the screen is equipped with
Horse structure 331, it is ensured that shield the bracket of lower optical bio specific identification device and the contact surface of sealing plate 3 to testing agency 4
Distance consistency.
It further, in the present embodiment, further include height adjustment mechanism 5, the height adjustment mechanism 5 is set to the envelope
On plate 3, it is configured for adjusting the height of the testing agency 4.In this way, can effectively be shielded by setting height adjustment mechanism 5
The contraposition requirement at the center of the optical center of lower optical bio specific identification device, focusing ring center and testing agency 4, effectively mentions
High measuring accuracy.Specifically, the gage button of four corners, the height adjustment mechanism 5 are located at there are four setting in the detection support 41
The high screw rod 51 of survey, fixed sleeving 52, microdrum 53 and fastening screw 54 including cooperating with the gage button；The height adjustment machine
Structure 5 is realized by the fastening screw 54 and is fixedly connected with the sealing plate 3.In this way, can by the rotation for surveying high screw rod 51
The height adjustment at the orientation of four corners effectively to realize testing agency 4 guarantees the consistent of height value, guarantees testing agency 4
Aligning accuracy and the depth of parallelism；After the completion of adjusting, the fixation with sealing plate 3 can be realized by fastening screw.
Embodiment two
The present embodiment is identical as previous embodiment principle, and structure is similar, and difference is only that the testing agency 4 includes
Detection support 41, the barn door 47 in detection support 41, set on the barn door 47 towards the detection figure of 2 side of substrate
43, set on detection Figure 43 towards the glass cover-plate 44 of substrate side and set on glass cover-plate 44 towards the self-luminous of 2 side of substrate
Screen display layer 46.Specifically, spontaneous screen display layer 46 can be the OLED screen curtain of small size.Preferably, the shading
47 color of plate can be white or yellowish pink.
In this way, being spontaneous screen display layer 46 by the screen display layer provided in this present embodiment, therefore can pass through
Spontaneous screen display layer 46, which is effectively realized, provides the effect of uniform area light source, so as to reduce the setting of area source, simplifies
Structure setting reduces the thickness of testing agency, while can further realize optical bio feature under authentic and valid imitation screen and know
The application scenarios of other device guarantee the consistent of the propagation path of light and the integral light-transmitting rate of testing agency and practical application scene
Property, improve measuring accuracy.Test fixture provided by the utility model, which is equipped with, has detection Figure 43, glass cover-plate 44 and spontaneous optical screen
The testing agency 4 of curtain display layer 46 can descend the test of optical bio specific identification device, optics under imitation screen effective for screen
The working condition of biometric devices, effectively increases testing efficiency and precision.
The above-mentioned embodiments merely express the embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Therefore it cannot be interpreted as that a limitation on the scope of the patent of the present invention, as long as using the form institute of equivalent substitution or equivalent transformation
The technical solution of acquisition, shall fall within the scope of the present invention.
Claims (10)
1. a kind of test fixture, for shielding the test of lower optical bio specific identification device, which is characterized in that including circuit board,
Substrate on circuit board, the sealing plate on the substrate and the testing agency on the sealing plate；The circuit board
For being electrically connected and providing test signal with the lower optical bio specific identification device of screen, the substrate and sealing plate, which are formed, places screen
The space of lower optical bio specific identification device；The testing agency includes detection support, the area source in detection support
Towards the glass cover-plate of substrate side and glass cover is set to towards the detection figure of substrate side, set on detection figure with set on area source
Plate towards substrate side screen display layer, alternatively, the testing agency includes detection support, the shading in detection support
Plate towards the glass cover-plate of substrate side and is set to set on the barn door towards the detection figure of substrate side, set on detection figure
Spontaneous screen display layer of the glass cover-plate towards substrate side.
2. test fixture according to claim 1, which is characterized in that the substrate includes substrate pedestal, is set to substrate base
For placing the block board for shielding lower optical bio specific identification device, the spring under block board, being set to block board on seat
Pressing plate and the connector that is plugged on circuit board.
3. test fixture according to claim 2, which is characterized in that the bottom of the block board is equipped with magnet.
4. test fixture according to claim 1, which is characterized in that described sealing plate one end is equipped with pin hole, and the other end is equipped with
Spring eye；The pin hole is used for through pin-hinges in the substrate, and the spring eye is used for through buckle and the substrate
It is fixedly connected.
5. test fixture according to claim 1, which is characterized in that the sealing plate includes sealing plate bracket, is set to sealing plate branch
Focusing ring and focusing ring snap-gauge on frame, the focusing ring are configured to that screen lower optical bio specific identification device can be driven when rotation
Rotation of lens.
6. test fixture according to claim 5, which is characterized in that the focusing ring includes extending to the sealing plate bracket
The focusing structure in outside, towards the step structure of the camera lens of optical bio specific identification device under the screen and for driving camera lens
The bulge-structure of rotation.
7. test fixture according to claim 5, which is characterized in that the focusing ring snap-gauge is raw towards optics under the screen
The position of object specific identification device is equipped with horse structure.
8. test fixture according to claim 5, which is characterized in that the gap of the focusing ring and the sealing plate bracket is
0.1-0.5mm。
9. test fixture according to claim 1, which is characterized in that it further include height adjustment mechanism, the height adjustment
Mechanism is set on the sealing plate, is configured for adjusting the height of the testing agency.
10. test fixture according to claim 9, which is characterized in that be located at quadrangle there are four setting in the detection support
The gage button at place, the height adjustment mechanism include and the high screw rod of survey of gage button cooperation, fixed sleeving, microdrum and fastening spiral shell
Nail；The height adjustment mechanism is realized by the fastening screw and is fixedly connected with the sealing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822172988.6U CN209247646U (en) | 2018-12-24 | 2018-12-24 | A kind of test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822172988.6U CN209247646U (en) | 2018-12-24 | 2018-12-24 | A kind of test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209247646U true CN209247646U (en) | 2019-08-13 |
Family
ID=67534241
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822172988.6U Active CN209247646U (en) | 2018-12-24 | 2018-12-24 | A kind of test fixture |
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| Country | Link |
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| CN (1) | CN209247646U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110940787A (en) * | 2019-12-29 | 2020-03-31 | 圣达电气有限公司 | Movable copper foil pinhole inspection device |
-
2018
- 2018-12-24 CN CN201822172988.6U patent/CN209247646U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110940787A (en) * | 2019-12-29 | 2020-03-31 | 圣达电气有限公司 | Movable copper foil pinhole inspection device |
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