CN110782541A - A fingerprint identification device for attendance system has clean function - Google Patents
A fingerprint identification device for attendance system has clean function Download PDFInfo
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- CN110782541A CN110782541A CN201911036011.4A CN201911036011A CN110782541A CN 110782541 A CN110782541 A CN 110782541A CN 201911036011 A CN201911036011 A CN 201911036011A CN 110782541 A CN110782541 A CN 110782541A
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- main body
- rod
- connecting rod
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
- G07C1/10—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people together with the recording, indicating or registering of other data, e.g. of signs of identity
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- 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
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- General Physics & Mathematics (AREA)
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- Cleaning In General (AREA)
Abstract
The invention relates to a fingerprint identification device with a cleaning function for an attendance system, which comprises a main body and a connecting ring, the main body is in a cuboid shape, the main body is internally provided with an identification system, one side of the main body is provided with a detection hole, the connecting ring is positioned in the main body, the axis of the connecting ring is vertical to the top of the main body, a cleaning mechanism and an auxiliary mechanism are arranged in the main body, the cleaning mechanism and the auxiliary mechanism are both positioned on one side of the connecting ring far away from the top of the main body and on one side of the connecting ring far away from the detection hole, this a fingerprint identification device for attendance system that has a clean function has realized cleaing away the function of impurity on the glass dish through clean mechanism, avoids impurity influence to detect the accuracy, moreover, has still realized the function that the heating was pointed through complementary unit, makes the finger sweat, prevents that the finger is too dry and can't influence the collection of fingerprint information.
Description
Technical Field
The invention relates to the field of biological identification equipment, in particular to a fingerprint identification device with a cleaning function for an attendance system.
Background
The biometric identification technology is that a computer is closely combined with high-tech means such as optics, acoustics, biosensors and the principle of biometrics, and the inherent physiological characteristics (such as fingerprints, face images, irises and the like) and behavior characteristics (such as handwriting, voice, gait and the like) of a human body are utilized to identify the identity of a person, wherein the fingerprint attendance machine is one of biometric identification devices and is one of devices for identifying the identity through fingerprints.
Present fingerprint attendance machine is in the use, and the surface can be infected with more impurity, like sweat stain, dust etc. and impurity can influence fingerprint identification's accuracy, moreover, when the finger is too dry, can reduce the definition that the fingerprint shows, can reduce fingerprint identification's accuracy equally.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the fingerprint identification device with the cleaning function for the attendance system is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a fingerprint identification device with a cleaning function for an attendance system comprises a main body and a connecting ring, wherein the main body is in a cuboid shape, an identification system is arranged in the main body, a detection hole is formed in one side of the main body, the connecting ring is positioned in the main body, the axis of the connecting ring is perpendicular to the top of the main body, a cleaning mechanism and an auxiliary mechanism are arranged in the main body, and the cleaning mechanism and the auxiliary mechanism are both positioned on one side of the connecting ring, which is far away from the top of the main body, and on one side of the connecting ring, which is far away from the detection;
the auxiliary mechanism comprises a glass disc, a heating disc, a connecting rod, a rotating shaft, a bearing and a pushing assembly, wherein the axis of the glass disc is perpendicular to and intersected with the axis of the connecting ring, the diameter of the glass disc is larger than the inner diameter of the connecting ring and smaller than the diameter of the heating disc, the heating disc is attached to one side, away from the detection hole, of the glass disc, a heating device is arranged in the heating disc, the heating disc is fixed on the inner wall of the main body, the connecting rod is parallel to the connecting ring, the axis of the connecting rod is perpendicular to and intersected with the axis of the glass disc, one end of the connecting rod is fixed on one side, close to the top of the main body, of the glass disc, a mounting hole is formed in the other end of the connecting rod, the axis of the mounting hole is perpendicular to and intersected with the axis of the connecting rod, the axis of, the rotating shaft is fixedly connected with the inner wall of the mounting hole, the inner ring of the bearing is fixed on the rotating shaft, the outer ring of the bearing is fixed on the inner wall of the main body, and one side of the pushing assembly connecting rod, which is far away from the connecting ring, is positioned between the rotating shaft and the glass disc;
the cleaning mechanism is positioned on one side of the glass disc close to the top of the main body, the cleaning mechanism comprises a cleaning rod, an elastic rod, a driving motor, a screw rod, a sliding block and a magnet block, the elastic rod and the screw rod are both parallel to the connecting rod, the driving motor is fixed on the connecting rod and is in transmission connection with one end of the screw rod, the slide block is respectively sleeved on the connecting rod and the screw rod, the joint of the slide block and the screw rod is provided with a thread matched with the screw rod, the elastic rod and the cleaning rod are both positioned on one side of the glass disc far away from the heating disc, one end of the elastic rod is fixed on one side of the sliding block close to the glass disc, the cleaning rod is fixed at the other end of the elastic rod, a gap is arranged between the cleaning rod and the plane where the glass disc is positioned in parallel, the magnet piece is fixed in the one side of keeping away from the glass dish of cleaning rod, the preparation material of heating plate is iron.
Preferably, for the drive connecting rod rotates, the promotion subassembly includes gyro wheel, push pedal and two promotion units, the push pedal is perpendicular with the axis of glass dish, the inner wall laminating of keeping away from inspection hole one side of push pedal and main part, the gyro wheel is fixed in one side that is close to the inspection hole of push pedal and is leaned on with the connecting rod, the promotion unit sets up in the push pedal, the gyro wheel is located between two promotion units, promotion unit drive push pedal moves along perpendicular and push pedal direction.
Preferably, in order to realize the movement of the push plate, the pushing unit comprises an electromagnet, a fixing rod, a spring and a through hole, the fixing rod is parallel to the glass plate, the through hole is coaxially arranged with the fixing rod, the fixing rod penetrates through the through hole, the fixing rod is slidably connected with the inner wall of the through hole, the electromagnet is fixed at one end, close to the detection hole, of the fixing rod, the other end of the fixing rod is fixed on the inner wall of the main body, the spring is located between the electromagnet and the push plate, the electromagnet is connected with the push plate through the spring, and the push plate is made of iron.
Preferably, in order to facilitate the installation of the fixing rod, the fixing rod is provided with a chamfer.
Preferably, in order to improve the degree of automation, an infrared sensor is arranged on the inner wall of the main body, the infrared sensor is arranged opposite to the connecting ring, a PLC is arranged in the main body, and the infrared sensor, the driving motor and the electromagnet are all electrically connected with the PLC.
Preferably, the cleaning rod is made of rubber to avoid scratching the glass plate.
Preferably, the drive motor is a servo motor in order to increase the drive force of the drive motor.
Preferably, the screw is coated with a lubricant in order to reduce friction between the slider and the screw.
Preferably, in order to prolong the service life of the connecting rod, an anti-corrosion zinc coating is arranged on the connecting rod.
Preferably, a solar panel is disposed on the top of the main body for saving energy.
The fingerprint identification device with the cleaning function for the attendance system has the advantages that the function of removing impurities on the glass disc is realized through the cleaning mechanism, the influence of the impurities on the detection accuracy is avoided, compared with the existing cleaning mechanism, the cleaning mechanism can also reduce the gap between the glass disc and the heating disc, the heat transfer efficiency is improved, in addition, the function of heating fingers is realized through the auxiliary mechanism, the fingers are sweated, the situation that the fingers are too dry to influence the collection of fingerprint information is prevented, compared with the existing auxiliary mechanism, the auxiliary mechanism can enable the fingerprint identification action to be completed in a sealed space, and the dustproof effect is better.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural diagram of a fingerprint identification device with a cleaning function for an attendance system according to the invention;
fig. 2 is a sectional view of a fingerprint recognition device having a cleaning function for an attendance system of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an enlarged view of portion B of FIG. 2;
in the figure: 1. the solar cleaning device comprises a main body, 2 parts of a connecting ring, 3 parts of a glass disc, 4 parts of a heating disc, 5 parts of a connecting rod, 6 parts of a rotating shaft, 7 parts of a bearing, 8 parts of a cleaning rod, 9 parts of an elastic rod, 10 parts of a driving motor, 11 parts of a screw rod, 12 parts of a sliding block, 13 parts of a magnet block, 14 parts of a roller, 15 parts of a push plate, 16 parts of an electromagnet, 17 parts of a fixing rod, 18 parts of a spring, 19 parts of an infrared sensor and 20 parts of a solar.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1-2, a fingerprint identification device with a cleaning function for an attendance system comprises a main body 1 and a connection ring 2, wherein the main body 1 is in the shape of a cuboid, an identification system is arranged in the main body 1, one side of the main body 1 is provided with a detection hole, the connection ring 2 is positioned in the main body 1, the axis of the connection ring 2 is perpendicular to the top of the main body 1, a cleaning mechanism and an auxiliary mechanism are arranged in the main body 1, and the cleaning mechanism and the auxiliary mechanism are both positioned on one side of the connection ring 2, which is far away from the top of the main body 1, and on one side of the connection ring 2, which is far;
the user inserts the finger in the inspection hole to press the finger on go-between 2, realize fingerprint identification through identification system, here, the effect that sets up clean mechanism is the accuracy of avoiding impurity influence to detect, and the effect that sets up complementary unit is the collection of avoiding the finger too dry and influence fingerprint information.
As shown in fig. 3-4, the auxiliary mechanism includes a glass plate 3, a heating plate 4, a connecting rod 5, a rotating shaft 6, a bearing 7 and a pushing assembly, the axis of the glass plate 3 is perpendicular to and intersected with the axis of the connecting ring 2, the diameter of the glass plate 3 is greater than the inner diameter of the connecting ring 2 and is less than the diameter of the heating plate 4, the heating plate 4 is attached to one side of the glass plate 3 away from the detection hole, a heating device is arranged in the heating plate 4, the heating plate 4 is fixed on the inner wall of the main body 1, the connecting rod 5 is parallel to the connecting ring 2, the axis of the connecting rod 5 is perpendicular to and intersected with the axis of the glass plate 3, one end of the connecting rod 5 is fixed on one side of the glass plate 3 close to the top of the main body 1, the other end of the connecting rod 5 is provided with a mounting hole, the axis of the mounting hole is perpendicular to and intersected with, the rotating shaft 6 is coaxially arranged with the mounting hole, the rotating shaft 6 penetrates through the mounting hole, the rotating shaft 6 is fixedly connected with the inner wall of the mounting hole, the inner ring of the bearing 7 is fixed on the rotating shaft 6, the outer ring of the bearing 7 is fixed on the inner wall of the main body 1, and one side of the pushing assembly connecting rod 5, which is far away from the connecting ring 2, is positioned between the rotating shaft 6 and the glass disc 3;
the cleaning mechanism is located on one side, close to the top of the main body 1, of the glass disc 3, and comprises a cleaning rod 8, an elastic rod 9, a driving motor 10, a lead screw 11, a slider 12 and a magnet block, wherein the elastic rod 9 and the lead screw 11 are parallel to the connecting rod 5, the driving motor 10 is fixed on the connecting rod 5, the driving motor 10 is connected with one end of the lead screw 11 in a transmission manner, the slider 12 is respectively sleeved on the connecting rod 5 and the lead screw 11, a connecting part of the slider 12 and the lead screw 11 is provided with a thread matched with the lead screw 11, the elastic rod 9 and the cleaning rod 8 are both located on one side, far away from the heating disc 4, of the glass disc 3, one end of the elastic rod 9 is fixed on one side, close to the glass disc 3, of the slider 12, the other end of the elastic rod 9 is fixed on the cleaning rod 8, and a gap is arranged between, the magnet block is fixed on one side of the cleaning rod 8, which is far away from the glass plate 3, and the heating plate 4 is made of iron.
After a user presses fingers on the connecting ring 2, the temperature of the heating plate 4 is raised through the heating device and is transmitted to the glass plate 3, in the process, the driving motor 10 is started to rotate the screw rod 11, so that the slide block 12 moves on the screw rod 11 towards the direction close to the glass plate 3 and drives the cleaning rod 8 to synchronously move through the elastic rod 9, at the moment, the elastic rod 9 is deformed through the mutual attraction acting force generated between the magnet block and the iron heating plate 4, the cleaning rod 8 is abutted against the glass plate 3, impurities on the glass plate 3 can be scraped off by the cleaning rod 8, the detection accuracy is prevented from being influenced by the impurities, meanwhile, the gap between the glass plate 3 and the heating plate 4 can be reduced, the heat transmission efficiency is improved, then, the connecting rod 5 rotates around the shaft of the rotating shaft 6 through the pushing assembly, and the annular hole of the connecting ring 2 is blocked by the glass plate 3, simultaneously, make glass dish 3 support with the finger and lean on, this moment, collect the fingerprint information that shows on the glass dish 3 and carry out the analysis through identification system, realize fingerprint identification's effect, here, through the temperature rising with glass dish 3, can make glass dish 3 support with the finger and lean on the back, the temperature that makes the finger rises and realizes perspiring, thereby can prevent that the finger is too dry and can't influence fingerprint information's collection, the back is accomplished in the discernment, promote the subassembly shutdown, connecting rod 5 realizes resetting under the action of gravity, and drive glass dish 3 and realize resetting.
Preferably, in order to drive the connecting rod 5 to rotate, the pushing assembly comprises a roller 14, a push plate 15 and two pushing units, the push plate 15 is perpendicular to the axis of the glass tray 3, the push plate 15 is attached to the inner wall of the main body 1 on the side far away from the detection hole, the roller 14 is fixed on the side, close to the detection hole, of the push plate 15 and abuts against the connecting rod 5, the pushing units are arranged on the push plate 15, the roller 14 is located between the two pushing units, and the pushing units drive the push plate 15 to move along the direction perpendicular to the push plate 15.
The pushing unit operates to move the pushing plate 15 toward the direction close to the connecting rod 5, so that the pushing plate 15 drives the roller 14 to push the connecting rod 5 to rotate.
Preferably, in order to realize the movement of the push plate 15, the pushing unit includes an electromagnet 16, a fixing rod 17, a spring 18 and a through hole, the fixing rod 17 is parallel to the glass plate 3, the through hole is coaxial with the fixing rod 17, the fixing rod 17 passes through the through hole, the fixing rod 17 is slidably connected with the inner wall of the through hole, the electromagnet 16 is fixed at one end of the fixing rod 17 close to the detection hole, the other end of the fixing rod 17 is fixed on the inner wall of the main body 1, the spring 18 is located between the electromagnet 16 and the push plate 15, the electromagnet 16 is connected with the push plate 15 through the spring 18, and the push plate 15 is made of iron.
The electromagnet 16 is electrified to generate the mutual attraction acting force between the iron push plate 15 and the electromagnet 16, so that the push plate 15 moves towards the direction close to the connecting rod 5 on the fixing rod 17, the spring 18 is compressed, and after the electromagnet 16 is powered off, the push plate 15 is reset under the elastic action of the spring 18.
Preferably, in order to facilitate the installation of the fixing rod 17, the fixing rod 17 is provided with a chamfer.
The chamfer angle is used for reducing the caliber of the fixing rod 17 when the fixing rod passes through the through hole, and the effect of convenient installation is achieved.
Preferably, in order to improve the degree of automation, an infrared sensor 19 is disposed on an inner wall of the main body 1, the infrared sensor 19 is disposed opposite to the connection ring 2, a PLC is disposed in the main body 1, and the infrared sensor 19, the driving motor 10, and the electromagnet 16 are all electrically connected to the PLC.
The PLC, i.e. programmable logic controller, which uses a programmable memory for storing programs therein, executes instructions for user-oriented operations such as logic operation, sequence control, timing, counting, and arithmetic operation, and controls various types of machines or production processes through digital or analog input and output, is a computer dedicated for industrial control, and has a hardware structure substantially the same as that of a microcomputer, and is generally used for data processing and instruction receiving and output for realizing central control, when a user presses the connection ring 2 with his hand, the infrared sensor 19 detects a signal and transmits the signal to the PLC, and the PLC controls the driving motor 10 to operate for a set time and then operates for a set time in reverse, and then controls the electromagnet 16 to be energized, thereby improving the degree of automation.
Preferably, the cleaning rod 8 is made of rubber to avoid scratching the glass plate 3.
The rubber texture is comparatively soft, can avoid 8 fish tail glass dishes 3 of cleaning rod, has played the effect of protection glass dish 3.
Preferably, the driving motor 10 is a servo motor in order to increase the driving force of the driving motor 10.
The servo motor has a characteristic of strong overload capability, so that the driving force of the driving motor 10 can be improved.
Preferably, in order to reduce the friction between the slider 12 and the screw rod 11, the screw rod 11 is coated with a lubricating oil.
The lubricating oil is used for reducing the friction force between the sliding block 12 and the screw rod 11 and providing the sliding block 12 with smoothness in movement.
Preferably, in order to prolong the service life of the connecting rod 5, the connecting rod 5 is provided with an anti-corrosion zinc coating.
The function of anticorrosive galvanizing coat is to promote the rust-resistant ability of connecting rod 5, prolongs the life of connecting rod 5.
Preferably, a solar panel 20 is provided on the top of the main body 1 for saving energy.
During the use of the device, a user inserts a finger into a detection hole and presses the finger on the connecting ring 2, then the temperature of the heating plate 4 is raised through the heating device and is transferred to the glass plate 3, during the use, the driving motor 10 is started to rotate the screw rod 11, so that the slide block 12 moves on the screw rod 11 towards the direction close to the glass plate 3 and drives the cleaning rod 8 to move synchronously through the elastic rod 9, at the moment, the elastic rod 9 is deformed through the interaction attraction force generated between the magnet block and the iron heating plate 4, the cleaning rod 8 is abutted against the glass plate 3, the impurities on the glass plate 3 can be scraped off by the cleaning rod 8, the detection accuracy is prevented from being influenced by the impurities, meanwhile, the gap between the glass plate 3 and the heating plate 4 can be reduced, the heat transfer efficiency is improved, then, the electromagnet 16 is electrified, and the interaction attraction force is generated between the iron push plate 15 and the electromagnet 16, thereby, the push plate 15 moves on the fixed rod 17 towards the direction close to the connecting rod 5 and the spring 18 is compressed, the movement of the push plate 15 drives the roller 14 to push the connecting rod 5 to rotate around the axis of the rotating shaft 6, and the glass disc 3 blocks the annular hole of the connecting ring 2, at the same time, the glass plate 3 is abutted against the finger, and at this time, the fingerprint information displayed on the glass plate 3 is collected and analyzed by the recognition system, so as to realize the fingerprint recognition effect, and here, by raising the temperature of the glass plate 3, the temperature of the fingers can be raised and sweating can be realized after the glass plate 3 is abutted against the fingers, thereby preventing the finger from being too dry to influence the collection of the fingerprint information, after the identification is finished, the electromagnet 16 is powered off, the push plate 15 is reset by the roller 14 under the elastic action of the spring 18, the connecting rod 5 is reset under the action of gravity, and the glass disc 3 is driven to reset.
Compared with the prior art, this a fingerprint identification device for attendance system that has a clean function has realized the function of cleaing away impurity on the glass dish 3 through clean mechanism, avoid impurity influence to detect the accuracy, compare with current clean mechanism, this clean mechanism can also reduce the clearance between glass dish 3 and the heating plate 4, improve heat transfer's efficiency, moreover, the function of heating finger has still been realized through complementary unit, make the finger sweat, prevent that the finger is too dry and can't influence fingerprint information's collection, compare with current complementary unit, this complementary unit can make fingerprint identification's action accomplish in sealed space, dustproof effect is better.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The fingerprint identification device with the cleaning function for the attendance system comprises a main body (1) and a connecting ring (2), wherein the main body (1) is in a cuboid shape, an identification system is arranged in the main body (1), a detection hole is formed in one side of the main body (1), the connecting ring (2) is positioned in the main body (1), the axis of the connecting ring (2) is perpendicular to the top of the main body (1), and the fingerprint identification device is characterized in that a cleaning mechanism and an auxiliary mechanism are arranged in the main body (1), are both positioned on one side, away from the top of the main body (1), of the connecting ring (2) and are positioned on one side, away from the detection hole, of the connecting ring (2);
the auxiliary mechanism comprises a glass disc (3), a heating disc (4), a connecting rod (5), a rotating shaft (6), a bearing (7) and a pushing assembly, wherein the axis of the glass disc (3) is perpendicular to the axis of the connecting ring (2) and intersected, the diameter of the glass disc (3) is larger than the inner diameter of the connecting ring (2) and smaller than the diameter of the heating disc (4), the heating disc (4) is attached to one side of the glass disc (3) away from the detection hole, a heating device is arranged in the heating disc (4), the heating disc (4) is fixed on the inner wall of the main body (1), the connecting rod (5) is parallel to the connecting ring (2) and the axis of the connecting rod (5) is perpendicular to the axis of the glass disc (3) and intersected, one end of the connecting rod (5) is fixed on one side of the glass disc (3) close to the top of the main body (1), and the other end of the connecting rod (5, the axis of the mounting hole is perpendicular to and intersected with the axis of the connecting rod (5), the axis of the mounting hole is perpendicular to the axis of the glass disc (3), the rotating shaft (6) and the mounting hole are coaxially arranged, the rotating shaft (6) penetrates through the mounting hole, the rotating shaft (6) is fixedly connected with the inner wall of the mounting hole, the inner ring of the bearing (7) is fixed on the rotating shaft (6), the outer ring of the bearing (7) is fixed on the inner wall of the main body (1), and one side, far away from the connecting ring (2), of the pushing assembly connecting rod (5) is located between the rotating shaft (6) and the glass disc (3);
the cleaning mechanism is located on one side, close to the top of the main body (1), of the glass disc (3), and comprises a cleaning rod (8), an elastic rod (9), a driving motor (10), a lead screw (11), a sliding block (12) and a magnet block, wherein the elastic rod (9) and the lead screw (11) are parallel to the connecting rod (5), the driving motor (10) is fixed on the connecting rod (5), the driving motor (10) is in transmission connection with one end of the lead screw (11), the sliding block (12) is respectively sleeved on the connecting rod (5) and the lead screw (11), a connecting part of the sliding block (12) and the lead screw (11) is provided with a thread matched with the lead screw (11), the elastic rod (9) and the cleaning rod (8) are both located on one side, far away from the heating disc (4), of the glass disc (3), of the sliding block (12) is fixed at one side, close to the glass disc (3), the other end at elastic rod (9) is fixed in clean pole (8), be equipped with the clearance between the plane parallel at clean pole (8) and glass dish (3) place and, the magnet piece is fixed in the one side of keeping away from glass dish (3) of clean pole (8), the preparation material of heating plate (4) is iron.
2. The fingerprint recognition device with the cleaning function for the attendance system according to claim 1, wherein the pushing assembly comprises a roller (14), a push plate (15) and two pushing units, the push plate (15) is perpendicular to the axis of the glass disc (3), the push plate (15) is attached to the inner wall of the main body (1) on the side away from the detection hole, the roller (14) is fixed on the side of the push plate (15) close to the detection hole and abuts against the connecting rod (5), the pushing units are arranged on the push plate (15), the roller (14) is located between the two pushing units, and the pushing units drive the push plate (15) to move along the direction perpendicular to the push plate (15).
3. The fingerprint recognition device with the cleaning function for the attendance system according to claim 2, wherein the pushing unit comprises an electromagnet (16), a fixing rod (17), a spring (18) and a through hole, the fixing rod (17) is parallel to the glass disc (3), the through hole is coaxially arranged with the fixing rod (17), the fixing rod (17) passes through the through hole, the fixing rod (17) is slidably connected with the inner wall of the through hole, the electromagnet (16) is fixed at one end of the fixing rod (17) close to the detection hole, the other end of the fixing rod (17) is fixed on the inner wall of the main body (1), the spring (18) is located between the electromagnet (16) and the push plate (15), the electromagnet (16) is connected with the push plate (15) through the spring (18), and the push plate (15) is made of iron.
4. The fingerprint recognition device with the cleaning function for the attendance system as claimed in claim 3, wherein the fixing lever (17) is provided with a chamfer.
5. The fingerprint recognition device with the cleaning function for the attendance system according to claim 3, wherein an infrared sensor (19) is arranged on the inner wall of the main body (1), the infrared sensor (19) is arranged opposite to the connection ring (2), a PLC is arranged in the main body (1), and the infrared sensor (19), the driving motor (10) and the electromagnet (16) are all electrically connected with the PLC.
6. The fingerprint recognition device with the cleaning function for the attendance system according to claim 1, wherein the cleaning rod (8) is made of rubber.
7. The fingerprint recognition apparatus having a cleaning function for an attendance system according to claim 1, wherein the driving motor (10) is a servo motor.
8. The fingerprint recognition apparatus having a cleaning function for an attendance system according to claim 1, wherein the screw (11) is coated with a lubricating oil.
9. The fingerprint recognition device with the cleaning function for the attendance system according to claim 1, wherein the connecting rod (5) is provided with an anti-corrosion zinc coating.
10. The fingerprint recognition device with the cleaning function for the attendance system according to claim 1, wherein a solar panel (20) is provided on the top of the main body (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911036011.4A CN110782541A (en) | 2019-10-29 | 2019-10-29 | A fingerprint identification device for attendance system has clean function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911036011.4A CN110782541A (en) | 2019-10-29 | 2019-10-29 | A fingerprint identification device for attendance system has clean function |
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| CN110782541A true CN110782541A (en) | 2020-02-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112036378A (en) * | 2020-10-14 | 2020-12-04 | 金华他山科技咨询服务有限公司 | Wireless intelligent fingerprint identification terminal |
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| CN107138456B (en) * | 2017-07-19 | 2019-08-23 | 广西博聚科技有限公司 | Fingerprint collecting screen soil release device |
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| CN112036378B (en) * | 2020-10-14 | 2021-05-21 | 金华他山科技咨询服务有限公司 | Wireless intelligent fingerprint identification terminal |
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Application publication date: 20200211 |