CN107321664B - Fingerprint acquisition screen belt cleaning device - Google Patents
Fingerprint acquisition screen belt cleaning device Download PDFInfo
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- CN107321664B CN107321664B CN201710589117.1A CN201710589117A CN107321664B CN 107321664 B CN107321664 B CN 107321664B CN 201710589117 A CN201710589117 A CN 201710589117A CN 107321664 B CN107321664 B CN 107321664B
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- fingerprint acquisition
- acquisition screen
- liquid inlet
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- 238000004140 cleaning Methods 0.000 title claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 180
- 238000005201 scrubbing Methods 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000001035 drying Methods 0.000 claims abstract description 13
- 238000003825 pressing Methods 0.000 claims description 29
- 238000003860 storage Methods 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 9
- 125000003003 spiro group Chemical group 0.000 claims description 9
- 229920000742 Cotton Polymers 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 4
- 230000004323 axial length Effects 0.000 claims description 3
- 238000001802 infusion Methods 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 2
- 241001330002 Bambuseae Species 0.000 claims description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 2
- 239000011425 bamboo Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000011550 stock solution Substances 0.000 claims 2
- 239000000243 solution Substances 0.000 claims 1
- 238000009736 wetting Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 10
- 239000000126 substance Substances 0.000 description 4
- 210000004243 sweat Anatomy 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- B08B1/32—
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- B08B1/143—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Devices For Medical Bathing And Washing (AREA)
Abstract
The invention discloses a cleaning device for a fingerprint acquisition screen, which comprises: the cover body is covered on the fingerprint acquisition screen, and the baffle plate divides the cover body into a first cavity and a second cavity on the left side and the right side; the scrubbing mechanism is accommodated in the first cavity and comprises a motor, a connecting rod, a fixed shaft and a scrubbing head, the scrubbing head comprises a liquid guide part, a drying part and a wetting part which are sequentially arranged along the anticlockwise direction, and the motor drives the connecting rod to do anticlockwise circular motion to drive the wetting part and the drying part to sequentially approach, press and keep away from the fingerprint acquisition screen; the drying mechanism is arranged above the upper end face of the cover body and comprises a shell and a fan.
Description
Technical Field
The invention relates to the technical field of fingerprint acquisition. More specifically, the invention relates to a cleaning device for a fingerprint acquisition screen.
Background
Fingerprint sampler generally applies to each place, and fingerprint identification has some advantages, for example the accuracy is high, convenient and fast, nevertheless use for a long time along with fingerprint sampler, the problem that the discernment degree of accuracy descends can appear in the fingerprint collection screen, have dirt or sweat stain just easily to appear discernment failure if on the finger, need repeated identification, perhaps wipe clean fingerprint collection screen and the fingerprint department of user oneself with hand or paper, because paper is rougher, probably harm the fingerprint collection screen, influence the identification ability of fingerprint collection screen.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide the cleaning device for the fingerprint acquisition screen, which can accurately send the liquid in the liquid storage bottle into the liquid guide part only by pulling and pressing the pressing rod back and forth, then send the liquid into the wet part through the liquid guide part, automatically and alternately scrub the fingerprint acquisition screen by the wet part and the dry part after the trigger switch is electrified, so as to achieve the effect of scrubbing stains on the fingerprint acquisition screen, finally improve the identification capability of the fingerprint acquisition screen, and cannot damage the fingerprint acquisition screen.
To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a cleaning device for a fingerprint acquisition screen installed on a wall or a door body, the fingerprint acquisition screen being protruded on an outer surface of the wall or the door body, comprising:
the fingerprint acquisition device comprises a cover body, a fingerprint acquisition screen and a control circuit, wherein the cover body covers the fingerprint acquisition screen, a partition plate is arranged in the cover body and divides the cover body into a first cavity and a second cavity on the left side and the right side, a fixing sleeve penetrates through the partition plate, internal threads are arranged in the fixing sleeve, a card punching port is arranged on the lower end face of the first cavity and is positioned right below the fingerprint acquisition screen, and a cover is arranged on the upper end face of the second cavity and is open;
scrubbing mechanism, it holds in the first cavity, scrubbing mechanism includes motor, connecting rod, fixed axle and scrubbing head, connecting rod one end vertical fixation in on the output shaft of motor, the other end with the perpendicular rigid coupling of fixed axle, scrubbing head is cylindricly, the cover is established on the fixed axle, scrubbing head includes 3/4's that the diameter that sets gradually along counter-clockwise equals and axial length equals the wet portion of leading liquid portion, 1/8's dry portion and 1/8, dry portion with wet portion separates through the waterproof cloth layer, dry portion with wet portion all includes along radial absorbent cotton layer and the glasses cloth layer of laying in proper order, fingerprint collection screen is located dry portion with the stroke scope of wet portion, be equipped with a feed liquor hole on the lateral wall of liquid portion, with be equipped with a plurality of liquid holes on the face of wet portion contact, the motor drives the connecting rod to do anticlockwise circular motion, and drives the wetting part and the drying part to sequentially approach, abut against and be far away from the fingerprint acquisition screen;
the transfusion mechanism is accommodated in the second cavity and comprises a liquid storage bottle, a pressing rod and an output pipe, the liquid storage bottle comprises a liquid inlet cavity at the upper end and a liquid outlet cavity at the lower end and a pressure valve for connecting the liquid inlet cavity with the liquid outlet cavity, the liquid inlet cavity is provided with an air inlet, liquid level lower than the liquid of the pressing rod is accommodated in the liquid inlet cavity, the liquid outlet cavity is communicated with the output pipe, the pressure valve comprises a solid block and an elastic rubber sheet, a through pipe for communicating the liquid inlet cavity with the liquid outlet cavity is arranged in the solid block, a rubber sheet cover is arranged on one side of the liquid outlet cavity, the upper end of the pressing rod penetrates out of the upper end surface of the liquid inlet cavity and penetrates out of the shell cover and the lower end of the pressing rod to be accommodated in the liquid inlet cavity and provided with a piston, the piston is lower than the air inlet hole and the side wall of the liquid inlet cavity, and the, the output tube includes hose, hard tube and a fixed section of thick bamboo, hose one side with go out liquid chamber intercommunication, opposite side with one side intercommunication of hard tube, the opposite side of hard tube radially is equipped with an export, the diameter of export is less than the diameter in feed liquor hole, fixed barrel casing establish the spiro union on the hard tube, on the lateral wall be equipped with the external screw thread that the internal thread of fixed cover matches, the export sets up to: the fixing cylinder is screwed on the fixing sleeve, and when the scrubbing head is positioned at a starting point, the outlet and the liquid inlet hole are vertically arranged oppositely, wherein the pressing rod is pressed downwards, the rubber bowl is tightly attached to the circumferential direction of the side wall of the liquid inlet cavity, the rubber sheet is far away from the through pipe, the liquid outlet cavity is communicated with the liquid inlet cavity, the pressing rod is pulled upwards, the rubber bowl is far away from the side wall of the liquid inlet cavity, the spaces above and below the piston are communicated, and the rubber sheet is tightly attached to the through pipe;
the drying mechanism is arranged above the upper end face of the cover body and comprises a shell and a fan accommodated in the shell, an air guide pipe is arranged on the lower end face of the shell, an outlet of the air guide pipe is communicated with the upper end face of the first cavity and faces the fingerprint acquisition screen, and the fan blows air out towards the outlet of the air guide pipe;
wherein, be equipped with the switch on the cover body, the switch is connected with a controller electricity, the controller with the motor with the fan electricity is connected, the controller sets up to: after the switch is pressed and powered on, the output shaft of the motor drives the scrubbing head to do anticlockwise circular motion for two circles, the scrubbing head returns to the starting position, then the fan is powered on and continues for 5 seconds, and the switch is powered off.
Preferably, the fixing tube comprises a threaded part with a smaller diameter and a clamping part with a larger diameter, the threaded part is threaded in the fixing sleeve, and the diameter of the clamping part is larger than that of the fixing sleeve;
the hard tube is provided with an indicating lug along the radial direction, an indicating arrow is drawn on the indicating lug, and the indicating arrow is parallel to the axis of the outlet;
wherein the outlet is arranged to: the left side of the clamping part abuts against the partition plate, the right side of the clamping part abuts against the indication bump, the indication arrow point faces downwards vertically, and when the scrubbing head is located at the starting point position, the outlet faces downwards vertically to the liquid inlet hole.
Preferably, the outlet is communicated with a tapered tube with a large upper end and a small lower end along the axial direction of the outlet, and the distance from the lower end of the tapered tube to the upper end of the hard tube is smaller than the diameter of the fixing sleeve.
Preferably, be equipped with perspective window on the cover body, perspective window is located fingerprint acquisition screen top, and with when the scrub head is located initial position perpendicular orientation the projection coincidence of fingerprint acquisition screen.
Preferably, be equipped with liquid inlet on the feed liquor chamber lateral wall, liquid inlet lid closes and is equipped with the access cover, liquid inlet's position sets up to: when the pressing rod is pulled upwards to the terminal point, the liquid inlet is positioned below the rubber bowl.
Preferably, the liquid in the liquid storage bottle is 75% alcohol solution by mass fraction.
Preferably, the thickness of the absorbent cotton layer is 5 mm.
The invention at least comprises the following beneficial effects:
firstly, a user only needs to pull and press the pressing rod back and forth, liquid in the liquid storage bottle can be accurately sent into the liquid guiding portion, then the liquid is sent into the wetting portion through the liquid guiding portion, then the motor automatically drives the connecting rod to perform anticlockwise circular motion for two circles after the trigger switch is electrified, the scrubbing head is driven to perform anticlockwise circular motion for two circles, the wetting portion and the drying portion are driven to scrub the fingerprint acquisition screen twice respectively and alternately, then the fan is automatically electrified, and after 5 seconds of continuous blowing, the power is automatically cut off, a better effect of scrubbing stains on the fingerprint acquisition screen is achieved, and the identification capability of the fingerprint acquisition screen is improved;
secondly, liquid enters the liquid guide part from the liquid inlet hole, then enters the absorbent cotton layer of the wet part from the liquid outlet hole, and then is diffused to the spectacle cloth layer of the wet part, the motor drives the connecting rod to do anticlockwise circular motion for a circle to drive the whole cleaning head to do anticlockwise circular motion for a circle, in the process of the stroke, the wet part is firstly close to, pressed against and then far away from the fingerprint acquisition screen, the effect of cleaning the acquisition screen is achieved, the effect of wiping residual liquid is achieved after the dry part of the wet part is close to, pressed against and then far away from the fingerprint acquisition screen, if a user judges that the rotation for a circle does not reach the own cleaning requirement, the motor can be rotated for several circles, and the fingerprint acquisition screen after being cleaned is stronger in identification capability;
thirdly, liquid with the liquid level lower than that of the rubber bowl is contained in the liquid inlet cavity, the pressing rod is pressed downwards, the air volume below the rubber bowl is reduced, the pressure intensity is increased, the rubber bowl is tightly pressed against the wall of the liquid inlet cavity to prevent air from leaking above the rubber bowl, the pressing rod is continuously pressed downwards, when the air pressure is strong enough to push against the rubber sheet on the through pipe, the liquid inlet cavity is communicated with the liquid outlet cavity, the liquid is discharged into the liquid outlet cavity, the pressing rod is continuously pressed, the liquid in the liquid outlet cavity flows out from the output pipe, meanwhile, the air outside the liquid inlet cavity enters the position above the rubber bowl of the liquid inlet cavity from the air inlet hole, the pressing rod is pulled upwards, the air volume below the rubber bowl is increased, the pressure intensity is reduced, the pressure intensity in the liquid outlet cavity is larger than the pressure intensity below the rubber bowl of the liquid inlet cavity, the rubber sheet is tightly pressed through pipe, the, when the pressure is lower than the atmospheric pressure, air above the rubber bowl is squeezed into the lower part of the rubber bowl from the peripheries of the piston and the rubber bowl, so that air is supplemented below the rubber bowl, liquid can be continuously conveyed from the liquid inlet cavity to the liquid outlet cavity by the cyclic reciprocation, and finally flows out from the output pipe, so that the liquid can be prevented from flowing backwards, the amount of the liquid pressed out each time is small, and the phenomenon that too much liquid is output to the liquid guide part at one time is avoided;
fourth, at first stretch into the screwed part of fixed pipe with the hard tube of output tube, rotatory spiro union, make screens portion butt on the instruction lug on the hard tube, then the one end that has the export with the hard tube passes fixed cover, make the screwed part spiro union of fixed pipe pass fixed cover, it is rotatory, make screens portion butt sheathe in at fixed, and instruct the arrow point vertical time down can, this moment, if the scrub head is located the initial position, so the export of hard tube is just in time vertical just to the feed liquor hole, can guarantee accurate feed liquor, avoid liquid stream to the outside.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a detail view of the scrubbing structure of the present invention;
FIG. 3 is a perspective view of the scrub head;
fig. 4 is a detailed view of the infusion mechanism.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 4, the present invention provides a cleaning device for a fingerprint acquisition screen, which is installed on a wall or a door, wherein the fingerprint acquisition screen 1 is convexly disposed on an outer surface of the wall or the door, and comprises:
the fingerprint acquisition device comprises a cover body 2, a fingerprint acquisition screen 1, a baffle plate 21, a first cavity 22 and a second cavity 23, wherein the cover body 2 is covered on the fingerprint acquisition screen 1, the baffle plate 2 is internally provided with a baffle plate 21, the cover body 2 is divided into the first cavity 22 and the second cavity 23 on the left side and the right side, a fixing sleeve is arranged on the baffle plate 21 in a penetrating manner, internal threads are arranged in the fixing sleeve, the lower end face of the first cavity 22 is provided with a card punching port, the card punching port is positioned under the fingerprint acquisition screen 1, and the upper end face; a user can stretch into his/her fingerprint from the card-punching opening to press the fingerprint acquisition screen 1;
scrubbing mechanism, it holds in first cavity 22, scrubbing mechanism includes motor 31, connecting rod 32, fixed axle 34 and scrub head 33, connecting rod 32 one end vertical fixation in on the output shaft of motor 31, the other end with fixed axle 34 vertical fixation, scrub head 33 is cylindricly, overlaps and establishes on fixed axle 34, scrub head 33 includes that the diameter that sets gradually along anticlockwise equals and the wet portion 304 of dry portion 303 of 1/8 and 1/8 that axial length equals that the diameter is equal, dry portion 303 with wet portion 304 is separated through waterproof cloth layer 305, dry portion 303 with wet portion 304 all includes the cotton wool layer and the glasses cloth layer of radially laying gradually, fingerprint collection screen 1 is located dry portion 303 with the stroke scope of wet portion 304, a liquid inlet hole 301 is formed in the side wall of the liquid guide portion 302, and a plurality of liquid outlet holes are formed in the surface, which is in contact with the wet portion 304, of the liquid guide portion, wherein the motor 31 drives the connecting rod 32 to perform anticlockwise circular motion, so that the wet portion 304 and the dry portion 303 are driven to sequentially approach, abut against and be away from the fingerprint acquisition screen 1; the liquid enters the liquid guiding part 302 from the liquid inlet 301, then enters the absorbent cotton layer of the wetting part 304 from the liquid outlet, and then is diffused to the spectacle cloth layer of the wetting part 304, the motor 31 drives the connecting rod 32 to do a circle of anticlockwise circular motion, and drives the whole scrubbing head 33 to do a circle of anticlockwise circular motion, in the process of the stroke, the wet part 304 is firstly close to, pressed against and then far away from the fingerprint acquisition screen 1 to achieve the effect of cleaning the acquisition screen, the dry part 303 next following the wet part 304 is close to, pressed against and then far away from the fingerprint acquisition screen 1 to achieve the effect of wiping off residual liquid, if the user judges that the finger print collecting screen does not reach the cleaning requirement of the user after rotating for one circle, the motor 31 can rotate for a plurality of circles, the fingerprint collecting screen 1 after being cleaned is stronger in identification capability, if no liquid is found in the liquid guide part 302, it can be judged that the liquid in the wetting part 304 is insufficient, and the liquid should be supplemented in time;
the transfusion mechanism 4 is accommodated in the second cavity 23, the transfusion mechanism 4 comprises a liquid storage bottle 41, a pressing rod 42 and an output pipe, the liquid storage bottle 41 comprises a liquid inlet cavity 401 at the upper end, a liquid outlet cavity 402 at the lower end and a pressure valve connecting the liquid inlet cavity 401 and the liquid outlet cavity 402, the liquid inlet cavity 401 is provided with an air inlet hole and accommodates liquid with the liquid level lower than that of the pressing rod 42, the liquid outlet cavity 402 is communicated with the output pipe, the pressure valve comprises a solid block 403 and an elastic rubber sheet 404, a through pipe 405 communicating the liquid inlet cavity 401 and the liquid outlet cavity 402 is arranged in the solid block 403, the rubber sheet 404 is covered on one side of the through pipe 405 positioned in the liquid outlet cavity 402, the upper end of the pressing rod 42 penetrates out of the upper end face of the liquid inlet cavity 401 and penetrates out of the shell cover, the lower end of the pressing rod is accommodated in the liquid inlet cavity 401 and is provided with a piston, piston 406 is less than inlet port, lateral wall are close to feed liquor chamber 401 lateral wall, lower extreme are equipped with bowl mouth rubber bowl 407 down, the output tube includes hose, hard tube and solid fixed cylinder, hose one side with go out liquid chamber 402 intercommunication, opposite side with one side intercommunication of hard tube, the opposite side of hard tube radially is equipped with an export, the diameter of export is less than the diameter of feed liquor hole 301, gu fixed cylinder cover establish the spiro union be equipped with on the hard tube, on the lateral wall with the external screw thread that the internal thread of fixed cover matches, the export sets up to: the fixed cylinder is screwed on the fixed sleeve, and when the scrub head 33 is located at a starting point, the outlet is vertically opposite to the liquid inlet hole 301, wherein the pressing rod 42 is pressed downwards, the rubber bowl 407 is tightly attached to the circumferential direction of the side wall of the liquid inlet cavity 401, the rubber sheet 404 is far away from the through pipe 405, the liquid outlet cavity 402 is communicated with the liquid inlet cavity 401, the pressing rod 42 is pulled upwards, the rubber bowl 407 is far away from the side wall of the liquid inlet cavity 401, the spaces above and below the piston 406 are communicated, and the rubber sheet 404 is tightly attached to the through pipe 405; the liquid in the liquid inlet cavity 401 is contained with liquid whose liquid level is lower than the rubber bowl 407, the pressing rod 42 is pressed downwards, the air volume below the rubber bowl 407 is reduced, the pressure intensity is increased, the rubber bowl 407 is tightly pressed against the wall of the liquid inlet cavity 401 to prevent air from leaking above the rubber bowl 407, the pressing rod 42 is continuously pressed downwards, when the air pressure is strong enough to push the rubber sheet 404 on the through pipe 405, the liquid inlet cavity 401 is communicated with the liquid outlet cavity 402, the liquid is discharged into the liquid outlet cavity 402, the pressing rod 42 is further pressed continuously, the liquid in the liquid outlet cavity 402 flows out from the output pipe, meanwhile, the air outside the liquid inlet cavity 401 enters the upper part of the rubber bowl 407 of the liquid inlet cavity 401 from the air inlet hole, the pressing rod 42 is pulled upwards, the air volume below the rubber bowl 407 is increased, the pressure intensity is reduced, the pressure intensity in the liquid outlet cavity 402 is higher than the pressure intensity below the rubber bowl 407 of the liquid inlet cavity 401, the, meanwhile, the pressing rod 42 is continuously pulled, the volume of air below the rubber bowl 407 is continuously increased, the pressure is continuously reduced, when the pressure is lower than the atmospheric pressure, the air above the rubber bowl 407 is squeezed into the lower part of the rubber bowl 407 from the peripheries of the piston 406 and the rubber bowl 407, so that the air is supplemented below the rubber bowl 407, the liquid can be continuously conveyed from the liquid inlet cavity 401 to the liquid outlet cavity 402 by the cyclic reciprocation, and finally, the liquid flows out from an output pipe, so that the liquid can be prevented from flowing backwards;
the liquid flowing out of the output pipe is specifically as follows: the liquid flows through the hose, then the hard tube and then flows out from the outlet, the liquid flowing out from the outlet can flow into the liquid guiding part 302, in order to ensure that the output pipe is more firmly fixed, the clapboard 21 is provided with a fixed sleeve, the hard tube is provided with a fixed cylinder, and the fixed cylinder is screwed on the fixed sleeve, so that the hard tube can be kept more stable, and the liquid can more accurately flow into the liquid guiding part 302;
the drying mechanism is arranged above the upper end face of the cover body 2, the drying mechanism comprises a shell 51 and a fan 52 accommodated in the shell 51, an air guide pipe 53 is arranged on the lower end face of the shell 51, an outlet of the air guide pipe 53 is communicated with the upper end face of the first cavity 22 and faces the fingerprint acquisition screen 1, and the fan 52 blows air out towards the outlet of the air guide pipe 53; the fingerprint acquisition screen 1 scrubbed by the wetting part 304 and the drying part 303 may leave fine substances such as fibers and fluff, the drying effect of the drying part 303 may be insufficient, and at this time, the fan 52 is started to blow away the substances such as the fibers and the fluff, and the fingerprint acquisition screen 1 can be thoroughly dried, so that the identification capability is improved;
wherein, be equipped with the switch on the cover body 2, the switch is connected with a controller electricity, the controller with motor 31 with fan 52 electricity is connected, the controller sets up to: after the switch is pressed and powered on, the output shaft of the motor 31 drives the scrub head 33 to do anticlockwise circular motion for two circles, the scrub head returns to the starting position, then the fan 52 is powered on and continues for 5 seconds, and the switch is powered off.
In the above technical scheme, the user only need make a round trip to stimulate to press down the depression bar 42, can send into liquid guide portion 302 with the liquid in the liquid storage bottle 41 of accurate, send into moist portion 304 through liquid guide portion 302 again, then trigger switch circular telegram back, motor 31 automatic drive connecting rod 32 anticlockwise circular motion two weeks, drive scrub head 33 anticlockwise circular motion two weeks, drive moist portion 304 and dry portion 303 and scrub fingerprint collection screen 1 twice respectively in turn, then fan 52 automatic circular telegram, and after continuously blowing 5s, auto-power-off, get the better effect of scrubbing the spot on fingerprint collection screen 1, improve fingerprint collection screen 1's identification ability.
In another technical solution, the fixing tube includes a screw-connection portion 413 with a smaller diameter and a clamping portion 414 with a larger diameter, the screw-connection portion 413 is screw-connected in the fixing sleeve, and the diameter of the clamping portion 414 is larger than that of the fixing sleeve;
the hard tube is provided with an indicating lug 415 along the radial direction, and an indicating arrow is drawn on the indicating lug 415 and is parallel to the axis of the outlet;
wherein the outlet is arranged to: the left side of the clamping part 414 abuts against the partition board 21, the right side abuts against the indication bump 415, the indication arrow is vertically downward, and when the scrub head 33 is located at the starting position, the outlet is vertically downward and directly faces the liquid inlet hole 301.
In above-mentioned technical scheme, at first stretch into the spiro union portion 413 of fixed pipe with the hard tube of output tube, rotatory spiro union, make on the instruction lug 415 of screens portion 414 butt on the hard tube, then pass fixed cover with the one end that the hard tube has the export, make the spiro union portion 413 spiro union of fixed pipe pass fixed cover, it is rotatory, make screens portion 414 butt on fixed sheathe in, and instruct the arrow point vertical time down can, at this moment, if scrub head 33 is located the initial position, then the export of hard tube is just in time vertical just to feed liquor hole 301, can guarantee accurate feed liquor, avoid liquid stream to outside.
In another technical scheme, the outlet is communicated with a tapered tube with a large upper part and a small lower part along the axial direction of the outlet, and the distance from the lower end of the tapered tube to the upper end of the hard tube is smaller than the diameter of the fixed sleeve. Guarantee that liquid is unsettled to drip into liquid guide portion 302, avoid on liquid falls the edge of feed liquor hole 301, cause unnecessary liquid to leak outward.
In another technical scheme, be equipped with perspective window on the cover body 2, perspective window is located 1 top of fingerprint collection screen, and with scrub head 33 is perpendicular orientation when being located initial position fingerprint collection screen 1's projection coincidence. The amount of liquid retained in the liquid guiding portion 302 can be seen more clearly, which is convenient for the user to determine whether the liquid needs to be delivered to the liquid guiding portion 302.
In another technical scheme, a liquid inlet 408 is formed in the side wall of the liquid inlet cavity 401, an inlet cover is covered on the liquid inlet 408, and the liquid inlet 408 is arranged as follows: when the pressing rod 42 is pulled upwards to the end point, the liquid inlet 408 is positioned below the rubber bowl. The liquid can conveniently enter the liquid inlet cavity 401, and meanwhile, the liquid inlet cavity 401 can store liquid to the maximum extent, so that the liquid adding times are reduced.
In another technical scheme, the liquid in the liquid storage bottle 41 is an alcohol solution with a mass fraction of 75%. Alcohol is the dissolved organic substance of being easier than water, and usually the spot on fingerprint collection screen 1 is mostly organic substance, for example sweat stain, for example eat after glutinous greasy dirt on hand etc. alcohol can improve clean intensity, 75% alcohol still has the effect of disinfecting moreover, can further avoid the user to press and glue harmful bacterium behind fingerprint collection screen 1, indirectly improves user's cleanliness.
In another technical scheme, the thickness of the absorbent cotton layer is 5 mm. The cotton-padded layer is too thick, and the liquid that accumulates is too much, cleans and leaves over behind fingerprint collection screen 1 liquid too much, is unfavorable for fingerprint collection screen 1's drying, and the cotton-padded layer is too thin, and the liquid that accumulates is too little, and the glasses cloth layer is moist limitedly, is unfavorable for the cleanness of fingerprint collection screen 1 spot again, for example sweat stain, influences clean effect.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (7)
1. The utility model provides a fingerprint collection screen belt cleaning device, its installs on wall body or the door body, and the fingerprint collection screen is protruding to be located on the surface of wall body or the door body, its characterized in that includes:
the fingerprint acquisition device comprises a cover body, a fingerprint acquisition screen and a control circuit, wherein the cover body covers the fingerprint acquisition screen, a partition plate is arranged in the cover body and divides the cover body into a first cavity and a second cavity on the left side and the right side, a fixing sleeve penetrates through the partition plate, internal threads are arranged in the fixing sleeve, a card punching port is arranged on the lower end face of the first cavity and is positioned right below the fingerprint acquisition screen, and a cover is arranged on the upper end face of the second cavity and is open;
clean the mechanism, it holds in the first cavity, clean the mechanism and include motor, connecting rod, fixed axle and scrub the head, connecting rod one end vertical fixation is in on the output shaft of motor, the other end with the perpendicular rigid coupling of fixed axle, scrub the head and be cylindric, the cover is established on the fixed axle, scrub the head including along the wet portion of 3/4 circumference that the diameter that anticlockwise set gradually equals and axial length equals liquid guide portion, 1/8 circumference dry portion and 1/8 circumference, dry portion with wet portion separates through the waterproof cloth layer, dry portion with wet portion all includes along radial absorbent cotton layer and the glasses cloth layer of laying in proper order, the fingerprint collection screen is located dry portion with the stroke scope of wet portion, be equipped with a feed liquor hole on the lateral wall of liquid guide portion, the liquid guide portion is equipped with a feed liquor hole, A plurality of liquid outlet holes are formed in the surface, which is in contact with the wet part, of the connecting rod, wherein the motor drives the connecting rod to do anticlockwise circular motion so as to drive the wet part and the dry part to sequentially approach, abut against and be far away from the fingerprint acquisition screen;
infusion mechanism, it holds in the second cavity, infusion mechanism includes the stock solution bottle, presses the depression bar and output tube, the stock solution bottle includes feed liquor chamber, the lower extreme of upper end, goes out the sap cavity and connects the feed liquor chamber with go out the pressure valve in sap cavity, be equipped with the inlet port on the feed liquor chamber, and it is less than to hold the liquid level press the liquid of depression bar, go out the sap cavity with the output tube intercommunication, the pressure valve includes solid block and elastic rubber piece, be equipped with the intercommunication in the solid block the feed liquor chamber with go out the link up pipe in sap cavity, the elastic rubber piece lid is established the through pipe is located one side of going out the sap cavity, wear out according to the depression bar upper end feed liquor chamber up end and wearing out cap, lower extreme are held in the feed liquor intracavity and be equipped with the piston, the piston is less than inlet port, lateral wall are close to feed liquor chamber lateral, The lower extreme is equipped with the rubber bowl of bowl mouth down, the output tube includes hose, hard tube and a fixed section of thick bamboo, hose one side with go out liquid chamber intercommunication, opposite side with one side intercommunication of hard tube, the opposite side of hard tube is along radially being equipped with an export, the diameter of export is less than the diameter in feed liquor hole, fixed cylinder cover is established the spiro union and is in be equipped with on the hard tube, the lateral wall with the external screw thread that the internal thread of fixed cover matches, the export sets up to: the fixing cylinder is screwed on the fixing sleeve, and when the scrubbing head is positioned at a starting point, the outlet and the liquid inlet hole are vertically arranged oppositely, wherein the pressing rod is pressed downwards, the rubber bowl is tightly attached to the circumferential direction of the side wall of the liquid inlet cavity, the elastic rubber sheet is far away from the through pipe, the liquid outlet cavity is communicated with the liquid inlet cavity, the pressing rod is pulled upwards, the rubber bowl is far away from the side wall of the liquid inlet cavity, the spaces above and below the piston are communicated, and the elastic rubber sheet is tightly attached to the through pipe;
the drying mechanism is arranged above the upper end face of the cover body and comprises a shell and a fan accommodated in the shell, an air guide pipe is arranged on the lower end face of the shell, an outlet of the air guide pipe is communicated with the upper end face of the first cavity and faces the fingerprint acquisition screen, and the fan blows air out towards the outlet of the air guide pipe;
wherein, be equipped with the switch on the cover body, the switch is connected with a controller electricity, the controller with the motor with the fan electricity is connected, the controller sets up to: after the switch is pressed and powered on, the output shaft of the motor drives the scrubbing head to do anticlockwise circular motion for two circles, the scrubbing head returns to the starting position, then the fan is powered on and continues for 5 seconds, and the switch is powered off.
2. The cleaning device for fingerprint acquisition screens of claim 1, wherein the fixing sleeve comprises a screwing part with a smaller diameter and a clamping part with a larger diameter, the screwing part is screwed in the fixing sleeve, and the diameter of the clamping part is larger than that of the fixing sleeve;
the hard tube is provided with an indicating lug along the radial direction, an indicating arrow is drawn on the indicating lug, and the indicating arrow is parallel to the axis of the outlet;
wherein the outlet is arranged to: the left side of the clamping part abuts against the partition plate, the right side of the clamping part abuts against the indication bump, the indication arrow point faces downwards vertically, and when the scrubbing head is located at the starting point position, the outlet faces downwards vertically to the liquid inlet hole.
3. The device for cleaning a fingerprint acquisition screen of claim 1 wherein said outlet is axially connected to a tapered tube having a larger top and a smaller bottom, the distance from the lower end of said tapered tube to the upper end of said rigid tube being less than the diameter of said retaining sleeve.
4. The fingerprint acquisition screen cleaning apparatus of claim 1 wherein the housing defines a see-through window positioned above the fingerprint acquisition screen and coincident with a projection of the scrub head vertically toward the fingerprint acquisition screen when in the initial position.
5. The cleaning device for the fingerprint acquisition screen of claim 1, wherein a liquid inlet is arranged on the side wall of the liquid inlet cavity, the liquid inlet is covered with an inlet cover, and the liquid inlet is arranged as follows: when the pressing rod is pulled upwards to the terminal point, the liquid inlet is positioned below the rubber bowl.
6. The cleaning device for fingerprint acquisition screens of claim 1 wherein the liquid in the liquid storage bottle is 75% by mass alcohol solution.
7. The cleaning device for fingerprint acquisition screen of claim 1 wherein the thickness of said absorbent cotton layer is 5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710589117.1A CN107321664B (en) | 2017-07-19 | 2017-07-19 | Fingerprint acquisition screen belt cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710589117.1A CN107321664B (en) | 2017-07-19 | 2017-07-19 | Fingerprint acquisition screen belt cleaning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107321664A CN107321664A (en) | 2017-11-07 |
| CN107321664B true CN107321664B (en) | 2020-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710589117.1A Active CN107321664B (en) | 2017-07-19 | 2017-07-19 | Fingerprint acquisition screen belt cleaning device |
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| Country | Link |
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| CN (1) | CN107321664B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107832706B (en) * | 2017-11-09 | 2021-10-22 | 深圳市蓝海经略科技有限公司 | Accurate capacitanc fingerprint identification equipment of discernment with drying function |
| CN112916487A (en) * | 2021-01-27 | 2021-06-08 | 南京逸诺咔贸易有限公司 | Touch screen capable of intelligently manufacturing and automatically cleaning fingerprints |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19607348C2 (en) * | 1996-02-27 | 2000-03-23 | Iren Dornier | Steam cleaning system |
| US5991963A (en) * | 1997-02-11 | 1999-11-30 | Micro Care Corporation | Supply roll member, sheet material dispenser apparatus, and stencil wiping assembly including the same |
| CN204307908U (en) * | 2014-12-13 | 2015-05-06 | 登封市豫科玻璃技术有限公司 | A kind of aobvious panel glass wiped clean device |
| CN205056596U (en) * | 2015-09-11 | 2016-03-02 | 深圳市光大智能科技有限公司 | Full -automatic glass screen curtain cleaning equipment |
| CN206168828U (en) * | 2016-11-04 | 2017-05-17 | 席婷 | Digital product screen cleaning device |
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2017
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| CN107321664A (en) | 2017-11-07 |
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