CN216490658U

CN216490658U - Finger print tester under screen

Info

Publication number: CN216490658U
Application number: CN202123145787.5U
Authority: CN
Inventors: 叶文森; 邱芬南; 万劲
Original assignee: Zhuhai Bojay Electronics Co Ltd
Current assignee: Zhuhai Bojay Electronics Co Ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-05-10
Anticipated expiration: 2031-12-15

Abstract

The utility model discloses a fingerprint tester under screen relates to the fingerprint tester field. The under-screen fingerprint tester comprises a test board, wherein a mobile phone tray and a pressure control mechanism are arranged at the top of the test board; the utility model adopts the design mode of combining the spherical surface with the equal-height sections, so that the structure can float in the translation direction in the movement process, and can float in the rotation direction through point contact of the spherical surface and the plane when reaching the working position, thereby greatly reducing the influence of the inclination caused by processing and assembling errors on the test and reducing the debugging time; meanwhile, the structure is simple, the manufacturing cost is reduced, the module is more compact, the efficiency of the finger print test under the screen is higher and more accurate, and the product is more competitive; through the size that changes input signal, quick and stable completion low friction cylinder pushes down the control of pressure, can control multiunit low friction cylinder moreover simultaneously, and the operation is succinct convenient high-efficient.

Description

Finger print tester under screen

Technical Field

The utility model relates to a fingerprint tester technical field specifically is fingerprint tester under the screen.

Background

The traditional floating mode mainly comprises two modes, one mode is that a gap exists between two parts to avoid clamping stagnation of the two parts in the movement process, but the floating mode belongs to low-pair constraint through surface-to-surface contact and can only float in the translation direction; the inner spherical surface and the outer spherical surface are combined in another spherical head type floating mode, so that the inner spherical surface and the outer spherical surface can rotate freely, but the mode is completely limited in the translation direction, the structure is too bulky, and the manufacturing cost is high;

the traditional pressure control mode is that the pressure is controlled by the weight of the weight, the weight of the required weight is often difficult to estimate at the initial design stage, the weight needs to be repeatedly added and subtracted during debugging to reach the required pressure, and the weight of the whole module is increased when the pressure requirement is higher or the test quantity is more;

when the models of the testing mobile phones are different, more USB lines need to be replaced, the cost is high, and the space of a warehouse is occupied.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model discloses a fingerprint tester under screen to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: finger print tester under screen includes:

the test bench is provided with a mobile phone tray and a pressure control mechanism at the top;

the mobile phone tray comprises a tray bottom plate, a USB insertion module is arranged on one side of the top of the tray bottom plate, a mobile phone clamping and positioning mechanism is arranged on the other side of the top of the tray bottom plate, and a mobile phone support plate is arranged on one side of the mobile phone clamping and positioning mechanism and one side of the USB insertion module;

pressure control mechanism includes electric proportional valve, the below of electric proportional valve and the top that is located the cell-phone tray are provided with fingerprint test floating structure, one side of fingerprint test floating structure is provided with the adjustable air cock of direction.

Preferably, the USB plug-in module comprises a cylinder, one side of the cylinder is provided with a USB test connector, and one end of the USB test connector is provided with a USB data line.

Preferably, fingerprint test floating structure includes the low friction cylinder, the bottom of low friction cylinder is provided with the sphere head that floats, the outside that the sphere floated the head is provided with the head stopper that floats, the rubber head installation piece is installed to the bottom of the head stopper that floats, the bottom of rubber head installation piece is provided with the rubber head.

Preferably, the bottom of the mobile phone carrier plate and the top of the tray bottom plate are provided with detection elements.

Preferably, the outer wall of the mobile phone clamping and positioning mechanism is provided with a mobile phone at the bottom of the rubber head.

Preferably, the top of the floating head limiting block is provided with a slotted hole, and the inner wall of the slotted hole and the top of the spherical floating head are fixedly connected with a floating head rod diameter.

The utility model discloses a fingerprint tester under screen, its beneficial effect who possesses as follows:

1. the utility model adopts the design mode of combining the spherical surface with the equal-height sections, so that the structure can float in the translation direction in the movement process, and can float in the rotation direction through point contact of the spherical surface and the plane when reaching the working position, thereby greatly reducing the influence of the inclination caused by processing and assembling errors on the test and reducing the debugging time; meanwhile, the structure is simple, the manufacturing cost is reduced, the module is more compact, the efficiency of fingerprint testing under the screen is higher and more accurate, and the product is more competitive.

2. The utility model discloses a, adopt the mode that electric proportional valve, low friction cylinder and fast row valve combine, through changing the size of input signal, the control of the low friction cylinder pressure of pushing down of quick and stable completion, and can control multiunit low friction cylinder simultaneously, the operation is succinct convenient high-efficient, makes the efficiency of the fingerprint test under the screen higher, and is more accurate, helps the customer to simplify the operation, shortens product test cycle, improves the product precision, increases enterprise product competitiveness; meanwhile, the pressure switching can be accurately and quickly completed by using the design of controlling the pressure by using the air pressure; adopt USB test connector and the components of a whole that can function independently setting of USB data line, designed a transform structure on the USB module promptly, when changing the test cell-phone model at every turn, only need change transform structure's USB connect can, it is very convenient to use, for the new USB joint of cooperation, also done corresponding limit structure on the USB module, ensure the stability of using.

Drawings

FIG. 1 is a perspective view of the overall external structure of the present invention;

FIG. 2 is a front view of the overall structure of the present invention;

FIG. 3 is a top view of the overall structure of the present invention;

FIG. 4 is a side view of the overall structure of the present invention;

fig. 5 is a schematic structural view of the mobile phone tray of the present invention;

FIG. 6 is a schematic view of a mobile phone tray with a split structure according to the present invention;

fig. 7 is a bottom view of the structural pressure control mechanism of the present invention;

FIG. 8 is a schematic diagram of a USB plug-in module according to the present invention;

fig. 9 is a schematic diagram of the structure fingerprint test floating structure of the present invention.

In the figure: 1. a test bench; 2. a mobile phone tray; 21. a tray floor; 22. a detection element; 23. a USB plug-in module; 230. a USB data line; 231. a USB test connector; 232. a cylinder; 24. a mobile phone carrier plate; 25. a mobile phone clamping and positioning mechanism; 3. a pressure control mechanism; 31. a fingerprint test floating structure; 310. a low friction cylinder; 311. a spherical floating head; 312. a floating head limiting block; 313. a rubber head mounting block; 314. a rubber head; 32. an electric proportional valve; 33. the direction is adjustable air cock.

Detailed Description

The embodiment of the utility model provides a fingerprint tester under screen is disclosed, as shown in fig. 1-9, include:

the testing platform 1 is characterized in that a mobile phone tray 2 and a pressure control mechanism 3 are arranged at the top of the testing platform 1;

the fingerprint tester comprises a test board 1, a mobile phone tray 2 and a pressure control mechanism 3.

The mobile phone tray 2 comprises a tray bottom plate 21, a USB plug-in module 23 is arranged on one side of the top of the tray bottom plate 21, a mobile phone clamping and positioning mechanism 25 is arranged on the other side of the top of the tray bottom plate 21, and a mobile phone carrier plate 24 is arranged on one side of the mobile phone clamping and positioning mechanism 25 and one side of the USB plug-in module 23;

the mobile phone support plate 24 can be used for loading four mobile phones simultaneously, the mobile phone clamping and positioning mechanism 25 is used for fixing the mobile phones, the number of the USB insertion modules 23 is four, connectors can be replaced, the mobile phone support plate 24 and the tray bottom plate 21 are designed in a split mode, and when the mobile phones of different models are detected, the models can be replaced quickly.

Pressure control mechanism 3 the pressure control mechanism 3 comprises an electric proportional valve 32, and a fingerprint test floating structure 31 is arranged below the electric proportional valve 32 and above the mobile phone tray 2;

the three electrical proportional valves 32 are arranged, each of the three electrical proportional valves 32 corresponds to one row of the fingerprint test floating structures 31, each fingerprint test floating structure 31 is provided with three rows and four rows of the fingerprint test floating structures 31, each row is provided with three different rubber heads 314, each row corresponds to one mobile phone, four mobile phones can be tested simultaneously, the position of a fingerprint module under a screen on the mobile phone is determined, and therefore the fingerprint test floating structures 31 in each row need to be sequentially moved above the appointed position of the mobile phone and then pressed down to complete the test. Simultaneously controls a plurality of groups of low-friction cylinders 310, has simple, convenient and efficient operation, and ensures that the efficiency of the fingerprint test under the screen is higher

The USB plug-in module 23 includes a cylinder 232, a USB test connector 231 is disposed on one side of the cylinder 232, and a USB data line 230 is disposed at one end of the USB test connector 231;

wherein low friction cylinder 310 drives the motion of USB module to insert USB test connector 231 or extract the USB hole of test cell-phone, USB test connector 231 and USB data line 230 before are as an organic whole, adopt USB test connector 231 and USB data line 230 components of a whole that can function independently to set up now, designed a transform structure on the USB module promptly, transform structure includes that two different USB test connector 231 interconnect are when changing the test cell-phone model at every turn, only need change transform structure's USB connect can, it is very convenient to use.

The fingerprint test floating structure 31 comprises a low-friction cylinder 310, a spherical floating head 311 is arranged at the bottom of the low-friction cylinder 310, a floating head limiting block 312 is arranged outside the spherical floating head 311, a rubber head mounting block 313 is mounted at the bottom of the floating head limiting block 312, and a rubber head 314 is arranged at the bottom of the rubber head mounting block 313.

The bottom of the mobile phone carrier plate 24 and the top of the tray bottom plate 21 are provided with detection elements 22;

the detecting element 22 is of a hidden design, and the mobile phone support plate 24 has corresponding detecting holes, so that the mobile phone support plate 24 is not affected when being replaced, and the uncertain problem caused by replacing the mobile phone support plate 24 is avoided to the maximum extent.

A direction-adjustable air tap 33 is arranged on one side of the fingerprint test floating structure 31 and on one side far away from the mobile phone clamping and positioning mechanism 25;

when the direction-adjustable air nozzle 33 is used for detecting fingerprints under the mobile phone screen, dust on the mobile phone screen is cleaned by the air nozzle.

The top of the floating head limiting block 312 is provided with a floating head limiting block hole, and the inner wall of the floating head limiting block hole and the top of the spherical floating head 311 are fixedly connected with a floating head rod diameter;

wherein, a certain gap exists between the rod diameter of the floating head and the hole of the limit block of the floating head.

The working principle is as follows: referring to fig. 1 to 9, firstly, the mobile phone is placed on the mobile phone tray 2, and is fixed by the mobile phone clamping and positioning mechanism 25, after the detection element 22 determines whether there is a mobile phone, the friction-reducing cylinder 310 drives the USB module to move, and the USB test connector 231 is inserted into or pulled out of the USB hole of the test mobile phone, and when the model of the test mobile phone is changed, only the USB connector of the conversion structure needs to be changed;

when fingerprint detection is carried out under a mobile phone screen, dust on the mobile phone screen is cleaned by the direction-adjustable air nozzle 33, the air pressure output by the electric proportional valve 32 is changed by changing the size of an input signal, the low-friction cylinder 310 is extended out, the spherical floating head 311 is in surface-to-surface contact with the floating head limiting block 312, the rubber head 314 is vertically pressed downwards, after the low-friction cylinder 310 is in contact with the mobile phone screen, the spherical floating head 311 is pushed by the low-friction cylinder 310 to form point contact with the rubber head mounting block 313, and meanwhile, a certain gap exists between the diameter of the floating head rod and the floating head limiting block hole, so that the rubber head 314 can be self-adaptively inclined to be attached to the screen, the acting force of the low-friction cylinder 310 is still kept at the center of the rubber head mounting block 313, and the phenomenon that a single-side test cannot pass due to uneven contact force between the rubber head 314 and the screen is avoided.

While the embodiments of the present invention have been described in terms of practical embodiments, they are not to be construed as limiting the meaning of the present invention, and modifications of the embodiments and combinations with other embodiments will be apparent to those skilled in the art in light of the present description.

Claims

1. Fingerprint tester under screen, its characterized in that includes:

the testing platform comprises a testing platform (1), wherein a mobile phone tray (2) and a pressure control mechanism (3) are arranged at the top of the testing platform (1);

the mobile phone tray (2) comprises a tray bottom plate (21), a USB plug-in module (23) is arranged on one side of the top of the tray bottom plate (21), a mobile phone clamping and positioning mechanism (25) is arranged on the other side of the top of the tray bottom plate (21), and a mobile phone carrier plate (24) is arranged on one side of the mobile phone clamping and positioning mechanism (25) and one side of the USB plug-in module (23);

pressure control mechanism (3) are including electric proportional valve (32), the below of electric proportional valve (32) and the top that is located cell-phone tray (2) are provided with fingerprint test floating structure (31), one side of fingerprint test floating structure (31) is provided with adjustable air cock (33) of direction.

2. The underscreen fingerprint tester according to claim 1, wherein: the USB plug-in module (23) comprises an air cylinder (232), a USB test connector (231) is arranged on one side of the air cylinder (232), and a USB data line (230) is arranged at one end of the USB test connector (231).

3. The underscreen fingerprint tester according to claim 1, wherein: fingerprint test floating structure (31) are including low friction cylinder (310), the bottom of low friction cylinder (310) is provided with sphere floating head (311), the outside of sphere floating head (311) is provided with first stopper (312) of floating, rubber head installation piece (313) are installed to the bottom of first stopper (312) of floating, the bottom of rubber head installation piece (313) is provided with rubber head (314).

4. The underscreen fingerprint tester according to claim 1, wherein: and a detection element (22) is arranged at the bottom of the mobile phone carrier plate (24) and at the top of the tray bottom plate (21).

5. The underscreen fingerprint tester according to claim 1, wherein: the outer wall of the mobile phone clamping and positioning mechanism (25) is provided with a mobile phone at the bottom of the rubber head (314).

6. The underscreen fingerprint tester according to claim 3, wherein: the top of the floating head limiting block (312) is provided with a slotted hole, and the inner wall of the slotted hole is fixedly connected with the top of the spherical floating head (311) in a floating head rod diameter mode.