CN220733344U - Dustproof stable fingerprint collecting circuit board - Google Patents
Dustproof stable fingerprint collecting circuit board Download PDFInfo
- Publication number
- CN220733344U CN220733344U CN202322404490.9U CN202322404490U CN220733344U CN 220733344 U CN220733344 U CN 220733344U CN 202322404490 U CN202322404490 U CN 202322404490U CN 220733344 U CN220733344 U CN 220733344U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- dustproof
- heat dissipation
- stable
- fingerprint collecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000017525 heat dissipation Effects 0.000 claims abstract description 28
- 239000000428 dust Substances 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009825 accumulation Methods 0.000 abstract description 3
- 238000009423 ventilation Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The utility model provides a dustproof stable fingerprint collection circuit board, which comprises: setting a box; the fingerprint touch screen device is arranged at the front side of the setting box, and a printed circuit board is arranged at one side of the inside of the setting box; the two sliding grooves are respectively arranged on the two sides of the outer surface of the setting box. The utility model provides a dustproof stable fingerprint collecting circuit board, which is characterized in that a shielding device is additionally arranged on the surface of a heat dissipation groove, when the fingerprint collecting device does not work, the shielding device is moved to shield the heat dissipation groove, dust accumulated on the surface of the heat dissipation groove is scraped, meanwhile, the heat dissipation groove is closed, dust is prevented from being adsorbed on the surface of the heat dissipation groove, when the fingerprint collecting device works, the shielding device is moved to not shield the heat dissipation groove, the ventilation effect of the heat dissipation groove is maintained, the dustproof stable fingerprint collecting circuit board is simple in structure and strong in practicability, dust on the surface of the heat dissipation groove can be cleaned while dust accumulation is prevented, so that the fingerprint collecting device can stably and continuously dissipate heat when the fingerprint collecting device works, and the dustproof effect is excellent.
Description
Technical Field
The utility model relates to the field of fingerprint collection circuit boards, in particular to a dustproof stable fingerprint collection circuit board.
Background
The fingerprint recognition module is an electrical component for converting fingerprints into electrical signals, the flexible printed circuit board generally takes polyimide as a bottom plate, copper foil is attached to the surface of the flexible printed circuit board to serve as a printed circuit of a conductor, the flexible printed circuit board has excellent electrical characteristics, and the flexible printed circuit board is used as a carrier for transmitting the model of the fingerprint recognition module to form self-induction fingerprint collection and recognition equipment.
However, the inside gaseous heat abstractor that flows that sets up of traditional self-induction fingerprint collection, identification equipment is inside, and the during operation of a long time is easy to make device inside temperature too high, and heat abstractor reduces inside temperature, discharges inside heat through the louvre, but the louvre surface is piled up by the dust easily, does not be equipped with dust removal structure generally, and dust is piled up and is influenced the air current easily and circulate, and inside heat discharge efficiency reduces, shortens flexible printed circuit board life-span.
Therefore, it is necessary to provide a dustproof stable fingerprint collection circuit board to solve the above technical problems.
Disclosure of Invention
The utility model provides a dustproof stable fingerprint collecting circuit board, which solves the problems that dust is easy to accumulate on the surface of a radiating hole, a dust removing structure is not arranged normally, the dust accumulation easily affects airflow circulation, the internal heat discharging efficiency is reduced, and the service life of a flexible printed circuit board is shortened.
In order to solve the technical problems, the utility model provides a dustproof stable fingerprint collection circuit board, which comprises: setting a box;
the fingerprint touch screen device is arranged on the front side of the setting box, and a printed circuit board is arranged on one side of the inside of the setting box;
the sliding chute is respectively arranged on two sides of the outer surface of the setting box, a sliding rod is fixedly arranged in the sliding chute, a magnet is fixedly arranged at the top and the bottom of the inner cavity of the sliding chute, a shielding device is sleeved on the outer surface of the sliding rod and comprises a shielding plate, sliding blocks are fixedly arranged on two sides of the outer surface of the shielding plate, and a pull rod is fixedly arranged on the outer surface of the other side of the shielding plate.
Preferably, the surface of the setting box is provided with a heat dissipation groove.
Preferably, a control module is fixedly arranged on one side of the printed circuit board, and a heat dissipation device is arranged on the rear side inside the setting box.
Preferably, a reciprocating screw rod is rotatably arranged in the sliding groove, and the top end of the reciprocating screw rod is fixedly connected with a servo motor.
Preferably, the outer surface thread engagement of the reciprocating screw rod has a fixed block, the centre at fixed block top has seted up the screw hole.
Preferably, the fixing block is in threaded engagement with the outer surface of the reciprocating screw rod through the threaded hole.
Preferably, the top end of the reciprocating screw rod extends to the outer surface of the top of the setting box, and the servo motor is fixedly arranged at the top of the setting box.
Compared with the related art, the dustproof stable fingerprint collection circuit board provided by the utility model has the following beneficial effects:
the utility model provides a dustproof stable fingerprint collecting circuit board, which is characterized in that a shielding device is additionally arranged on the surface of a heat dissipation groove, when the fingerprint collecting device does not work, the shielding device is moved to shield the heat dissipation groove, dust accumulated on the surface of the heat dissipation groove is scraped, meanwhile, the heat dissipation groove is closed, dust is prevented from being adsorbed on the surface of the heat dissipation groove, when the fingerprint collecting device works, the shielding device is moved to not shield the heat dissipation groove, the ventilation effect of the heat dissipation groove is maintained, the dustproof stable fingerprint collecting circuit board is simple in structure and strong in practicability, dust on the surface of the heat dissipation groove can be cleaned while dust accumulation is prevented, so that the fingerprint collecting device can stably and continuously dissipate heat when the fingerprint collecting device works, and the dustproof effect is excellent.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a dustproof stable fingerprint collection circuit board provided by the utility model;
FIG. 2 is a schematic cross-sectional view of the setup box shown in FIG. 1;
FIG. 3 is a schematic side view of the setting box shown in FIG. 1;
FIG. 4 is an enlarged schematic view of the portion A shown in FIG. 3;
FIG. 5 is a schematic view of the shielding device shown in FIG. 1;
fig. 6 is a schematic structural diagram of an embodiment of a dustproof stable fingerprint collection circuit board according to the present utility model;
fig. 7 is an enlarged schematic view at B shown in fig. 6.
Reference numerals in the drawings: 1. the fingerprint touch screen device comprises a box, 2, a fingerprint touch screen device, 3, a sliding groove, 4, a shielding device, 41, a shielding plate, 42, a sliding block, 43, a pull rod, 5, a printed circuit board, 6, a heat radiating device, 7, a control module, 8, a heat radiating groove, 10, a sliding rod, 11, a magnet, 12, a servo motor, 13, a reciprocating screw rod, 14, a fixed block, 15 and a threaded hole.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5 in combination, fig. 1 is a schematic structural diagram of an embodiment of a dustproof stable fingerprint collection circuit board according to the present utility model; FIG. 2 is a schematic cross-sectional view of the setup box shown in FIG. 1; FIG. 3 is a schematic side view of the setting box shown in FIG. 1; FIG. 4 is an enlarged schematic view of the portion A shown in FIG. 3; fig. 5 is a schematic structural view of the shielding device shown in fig. 1. A dustproof stable fingerprint collection circuit board, comprising: setting a box 1;
a fingerprint touch screen device 2, wherein the fingerprint touch screen device 2 is arranged at the front side of the setting box 1, and a printed circuit board 5 is arranged at one side inside the setting box 1;
the sliding chute 3, two the sliding chute 3 set up respectively in the both sides of setting up case 1 surface, the inside fixed mounting of sliding chute 3 has slide bar 10, the equal fixed mounting in top and bottom of sliding chute 3 inner chamber has magnet 11, the surface cover of slide bar 10 is equipped with shielding device 4, shielding device 4 includes shielding plate 41, the both sides of shielding plate 41 surface are all fixed mounting has slider 42, the surface fixed mounting of shielding plate 41 opposite side has pull rod 43.
The surface of the setting box 1 is provided with a heat dissipation groove 8.
A control module 7 is fixedly arranged on one side of the printed circuit board 5, and a heat dissipation device 6 is arranged on the rear side inside the setting box 1.
The two magnet stones 11 are respectively and fixedly arranged at the top and the bottom of the inner cavity of the chute 3, the magnet stones 11 and the sliding blocks 42 made of iron materials are attracted to each other, and the sliding blocks 42 are sleeved on the outer surface of the sliding rod 10 to slide up and down.
The utility model provides a dustproof stable fingerprint collection circuit board, which has the following working principle:
when the fingerprint touch screen device is in operation, a user holds the pull rod 43 to drive the shielding plate 41 to slide upwards, the shielding plate 41 drives the sliding block 42 to slide upwards on the surface of the sliding rod 10, the sliding block 42 slides upwards in the sliding groove 3, the sliding block 42 and the magnet 11 at the top are in contact attraction, the shielding plate 41 does not shield the heat dissipation groove 8, the fingerprint touch screen device 2 starts to work, the heat dissipation groove 8 dissipates heat of a collection circuit board in the fingerprint collection device through air flow exchange, and the stability of the work of the collection circuit board is maintained.
When the fingerprint collecting device is closed, a user holds the pull rod 43 to drive the shielding plate 41 to move downwards, the sliding block 42 is separated from the magnet 11 at the top to move downwards, so that the sliding block 42 is connected with the magnet 11 at the bottom in an attractive manner, the shielding plate 41 moves downwards and simultaneously scrapes down dust adsorbed on the surface of the heat dissipation groove 8, so that the dust is separated from the heat dissipation groove 8, the shielding plate 41 shields the column heat dissipation groove 8, and the dust is prevented from being adsorbed on the surface of the heat dissipation groove 8 again.
Compared with the related art, the dustproof stable fingerprint collection circuit board provided by the utility model has the following beneficial effects:
the utility model provides a dustproof stable fingerprint collecting circuit board, wherein a shielding device 4 is added on the surface of a radiating groove 8, when the fingerprint collecting device does not work, the shielding device 4 is moved to shield the radiating groove 8, dust accumulated on the surface of the radiating groove 8 is scraped, meanwhile, the radiating groove 8 is closed, dust is prevented from being adsorbed on the surface of the radiating groove 8, when the fingerprint collecting device works, the shielding device 4 is moved to not shield the radiating groove 8, the ventilation effect of the radiating groove 8 is maintained, the dustproof stable fingerprint collecting circuit board is simple in structure and strong in practicability, dust accumulated on the surface of the radiating groove 8 can be cleaned while the dust is prevented from being accumulated, and therefore the fingerprint collecting device can stably and continuously radiate during work, and is excellent in dustproof effect.
Please refer to fig. 6 and fig. 7 in combination, another dustproof stable fingerprint collecting circuit board is provided according to an embodiment of the present application. The embodiment is merely a preferred mode of embodiment, and implementation of the embodiment does not affect individual implementation of the embodiment.
Specifically, the embodiment of the application provides a dustproof stable form fingerprint collection circuit board's difference lies in that a dustproof stable form fingerprint collection circuit board, reciprocating lead screw 13 is installed in the inside rotation of spout 3, the top fixedly connected with servo motor 12 of reciprocating lead screw 13.
The outer surface thread engagement of reciprocating screw rod 13 has fixed block 14, screw hole 15 has been seted up to the centre at fixed block 14 top.
The fixed block 14 is in threaded engagement with the outer surface of the reciprocating screw rod 13 through the threaded hole 15.
The top end of the reciprocating screw rod 13 extends to the outer surface of the top of the setting box 1, and the servo motor 12 is fixedly arranged on the top of the setting box 1.
The servo motor 12 is controlled by a singlechip, and a program is set so that the fingerprint collecting equipment is started in the working time and is closed in the working time.
The fixed block 14 is fixed on the surface of the shielding plate 41, the fixed block 14 is engaged with the outer surface of the reciprocating screw rod 13 through the screw hole 15 in a threaded manner, and the fixed block 14 is limited by the chute 3 and can only slide up and down.
The utility model provides a dustproof stable fingerprint collection circuit board, which has the following working principle:
when the heat radiation device works, firstly, the output shaft of the servo motor 12 is controlled by an external power supply to rotate so as to drive the reciprocating screw rod 13 to rotate, the reciprocating screw rod 13 rotates to be in threaded engagement with the threaded hole 15 of the fixed block 14, and the fixed block 14 slides up and down under the limitation of the chute 3 so as to drive the shielding plate 41 to slide up and down on the surface of the heat radiation groove 8.
Compared with the related art, the dustproof stable fingerprint collection circuit board provided by the utility model has the following beneficial effects:
the utility model provides a dustproof stable fingerprint collecting circuit board, wherein an output shaft of a servo motor 12 is controlled by an external power supply to rotate so as to drive a reciprocating screw rod 13 to rotate, the reciprocating screw rod 13 rotates to be in threaded engagement with a threaded hole 15 of a fixed block 14, the fixed block 14 and a shielding plate 41 are driven to slide up and down, the dustproof stable fingerprint collecting circuit board is simple in structure and high in practicability, the movement of a shielding device 4 can be controlled electrically, the automation control is realized, and the intellectualization of the dustproof stable fingerprint collecting circuit board is improved.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. Dustproof stable type fingerprint collection circuit board, its characterized in that includes: setting a box;
the fingerprint touch screen device is arranged on the front side of the setting box, and a printed circuit board is arranged on one side of the inside of the setting box;
the sliding chute is respectively arranged on two sides of the outer surface of the setting box, a sliding rod is fixedly arranged in the sliding chute, a magnet is fixedly arranged at the top and the bottom of the inner cavity of the sliding chute, a shielding device is sleeved on the outer surface of the sliding rod and comprises a shielding plate, sliding blocks are fixedly arranged on two sides of the outer surface of the shielding plate, and a pull rod is fixedly arranged on the outer surface of the other side of the shielding plate.
2. The dustproof stable fingerprint collection circuit board according to claim 1, wherein the surface of the setting box is provided with a heat dissipation groove.
3. The dustproof stable fingerprint collection circuit board according to claim 1, wherein a control module is fixedly installed on one side of the printed circuit board, and a heat dissipation device is arranged on the rear side of the inside of the setting box.
4. The dustproof stable fingerprint collection circuit board according to claim 1, wherein a reciprocating screw rod is rotatably installed in the sliding groove, and a servo motor is fixedly connected to the top end of the reciprocating screw rod.
5. The dustproof stable fingerprint collecting circuit board according to claim 4, wherein the outer surface of the reciprocating screw rod is in threaded engagement with a fixed block, and a threaded hole is formed in the middle of the top of the fixed block.
6. The dustproof stable fingerprint collection circuit board according to claim 5, wherein the fixing block is in threaded engagement with the outer surface of the reciprocating screw rod through the threaded hole.
7. The dustproof stable fingerprint collecting circuit board according to claim 4, wherein the top end of the reciprocating screw rod extends to the outer surface of the top of the setting box, and the servo motor is fixedly mounted on the top of the setting box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322404490.9U CN220733344U (en) | 2023-09-05 | 2023-09-05 | Dustproof stable fingerprint collecting circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322404490.9U CN220733344U (en) | 2023-09-05 | 2023-09-05 | Dustproof stable fingerprint collecting circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220733344U true CN220733344U (en) | 2024-04-05 |
Family
ID=90502526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322404490.9U Active CN220733344U (en) | 2023-09-05 | 2023-09-05 | Dustproof stable fingerprint collecting circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220733344U (en) |
-
2023
- 2023-09-05 CN CN202322404490.9U patent/CN220733344U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |