CN110796755A - A heat dissipation type fingerprint identification equipment that reliability is high for attendance - Google Patents
A heat dissipation type fingerprint identification equipment that reliability is high for attendance Download PDFInfo
- Publication number
- CN110796755A CN110796755A CN201911005765.3A CN201911005765A CN110796755A CN 110796755 A CN110796755 A CN 110796755A CN 201911005765 A CN201911005765 A CN 201911005765A CN 110796755 A CN110796755 A CN 110796755A
- Authority
- CN
- China
- Prior art keywords
- main body
- heat dissipation
- connecting pipe
- exhaust
- hole
- 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.)
- Withdrawn
Links
Images
Classifications
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Push-Button Switches (AREA)
Abstract
The invention relates to a heat dissipation type fingerprint identification device with high reliability for attendance checking, which comprises a main body, a glass disc and an identifier, wherein the main body is in a cuboid shape, the axis of the glass disc is vertical to the top of the main body, the glass disc is arranged above the main body, a gap is arranged between the glass disc and the top of the main body, the identifier is arranged at the bottom in the main body and is opposite to the glass disc, a connecting mechanism and a heat dissipation mechanism are arranged in the main body, the connecting mechanism comprises a connecting pipe, a contact switch and three connecting components, the connecting components comprise a fixed rod, a sliding block and a spring, the heat dissipation mechanism comprises an exhaust component and an air inlet component, the exhaust component is arranged at one side of the main body, the air inlet component is arranged at the other side of the main body, and the heat dissipation type fingerprint identification device with high reliability for attendance checking improves, moreover, the heat dissipation function is realized through the heat dissipation mechanism.
Description
Technical Field
The invention relates to the field of biological identification equipment, in particular to heat dissipation type fingerprint identification equipment with high reliability for attendance checking.
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 when user's finger is less at the pressing force degree in identification area, the fingerprint that shows in identification area shows comparatively fuzzy, influences fingerprint information's normal collection, has reduced the reliability, moreover, inside being equipped with the circuit of fingerprint attendance machine can produce a large amount of heats after using for a long time, and the heat can shorten fingerprint attendance machine's life.
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 heat dissipation type fingerprint identification equipment used for checking attendance and high in reliability is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a heat dissipation type fingerprint identification device with high reliability for attendance checking comprises a main body, a glass disc and an identifier, wherein the main body is in a cuboid shape, the axis of the glass disc is perpendicular to the top of the main body, the glass disc is arranged above the main body, a gap is formed between the glass disc and the top of the main body, the identifier is arranged at the bottom in the main body and is opposite to the glass disc, and a connecting mechanism and a heat dissipation mechanism are arranged in the main body;
the connecting mechanism comprises a connecting pipe, a contact switch and three connecting components, the connecting pipe is coaxially arranged with the glass disc, the outer diameter of the connecting pipe is smaller than the diameter of the glass disc, the top of the main body is provided with a mounting hole which is coaxial with the connecting pipe, the outer diameter of the connecting pipe is equal to the aperture of the mounting hole, the connecting pipe passes through the mounting hole, the connecting pipe is connected with the inner wall of the mounting hole in a sliding and sealing way, the glass disc is fixedly connected with the top end of the connecting pipe, the contact switch is arranged on one side of the connecting pipe far away from the glass disc, the contact switch is fixedly connected with the bottom in the main body, a gap is arranged between the contact switch and the connecting pipe and is equal to the gap between the glass disc and the main body, the connecting assembly is positioned in the main body and circumferentially and uniformly distributed on the periphery of the connecting pipe by taking the axis of the connecting pipe as a center;
the connecting assembly comprises a fixed rod, a sliding block and a spring, the fixed rod is parallel to the connecting pipe, two ends of the fixed rod are respectively fixed to the top and the bottom in the main body, the sliding block is sleeved on the fixed rod and fixed to the connecting pipe, the sliding block abuts against the top in the main body, and one side, far away from the glass disc, of the sliding block is connected with the bottom in the main body through the spring;
the heat dissipation mechanism comprises an exhaust assembly and an air inlet assembly, the exhaust assembly is arranged on one side of the main body, and the air inlet assembly is arranged on the other side of the main body;
the exhaust assembly comprises an exhaust hole, an exhaust pipe, an extrusion disc, an elastic wire, a fixed pulley and two guide units, wherein the exhaust hole is formed in the main body, the axis of the exhaust hole is perpendicular to and intersected with the axis of the connecting pipe, the exhaust pipe and the extrusion disc are coaxially arranged with the exhaust hole, the exhaust pipe penetrates through the exhaust hole, the exhaust pipe is hermetically and fixedly connected with the inner wall of the exhaust hole, the extrusion disc and the fixed pulley are both positioned in the exhaust pipe, the diameter of the extrusion disc is equal to the inner diameter of the exhaust pipe, the extrusion disc is slidably and hermetically connected with the inner wall of the exhaust pipe, the fixed pulley is positioned on one side, close to the axis of the connecting pipe, of the extrusion disc, the fixed pulley is fixed on the inner wall of the exhaust pipe, one end of the elastic wire is fixed on one side, close to the fixed pulley, of the other end of the, the guide units are arranged in the exhaust pipe and positioned on one side of the extrusion disc close to the fixed pulley, and the fixed pulley is positioned between the two guide units;
the guide unit comprises a moving rod, a supporting block, a limiting block and a through hole, the moving rod is parallel to the exhaust pipe, one end of the moving rod is fixed on the extrusion disc, the limiting block is fixed at the other end of the moving rod, the supporting block is located between the limiting block and the extrusion disc, the through hole is formed in the supporting block, the moving rod penetrates through the through hole, the moving rod is in sliding connection with the inner wall of the through hole, the extrusion disc is abutted against the supporting block, the supporting block is fixed on the inner wall of the exhaust pipe, and a gap is formed between the limiting block and the supporting block and is larger than the distance between one side, close to the fixed pulley, of the extrusion disc and;
the air inlet assembly comprises an air inlet hole and a one-way valve, the air inlet hole is formed in the main body, and the one-way valve is installed in the air inlet hole.
Preferably, in order to realize energy conservation, be equipped with energy-conserving subassembly in the main part, energy-conserving subassembly includes flabellum and generator, the flabellum is located the inlet port and sets up with the inlet port is coaxial, flabellum and generator all are located one side that is close to the connecting tube axis of check valve, the generator is fixed on the inner wall of main part, the flabellum is installed on the generator.
Preferably, in order to prevent dust from entering the main body through the air inlet hole, a filter screen is arranged in the air inlet hole and is arranged on one side of the one-way valve, which is far away from the axis of the connecting pipe.
Preferably, in order to reduce a gap between the mounting hole and the connection pipe, an inner wall of the mounting hole is coated with a sealing grease.
Preferably, in order to achieve the effects of buffering and vibration reduction, the limiting block is made of rubber.
Preferably, the moving rod is coated with a lubricating oil in order to reduce friction between the moving rod and the inner wall of the through hole.
Preferably, in order to improve the degree of automation, a PLC is provided in the main body, and the contact switch and the identifier are electrically connected to the PLC.
Preferably, in order to prolong the service life of the fixing rod, an anti-corrosion zinc coating is arranged on the fixing rod.
Preferably, in order to improve the heat dissipation effect, the extrusion disc is provided with heat-conducting silica gel.
Preferably, in order to facilitate the matching between the fixing rod and the sliding block, chamfers are arranged at two ends of the fixing rod.
The heat dissipation type fingerprint identification equipment with high reliability for attendance checking has the advantages that the reliability of fingerprint information collection is improved through the connecting mechanism, compared with the existing connecting mechanism, the connecting mechanism also realizes the function of driving the air in the main body to flow directionally, the practicability is higher, in addition, the heat dissipation function is realized through the heat dissipation mechanism, compared with the existing heat dissipation mechanism, the heat dissipation mechanism does not need electric power driving, and the environment is protected and the energy is saved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of a heat dissipation type fingerprint identification device for attendance checking with high reliability according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic structural diagram of an exhaust assembly of the heat dissipation type fingerprint identification device for checking attendance with high reliability according to the invention;
FIG. 4 is an enlarged view of portion B of FIG. 1;
in the figure: 1. the automatic air-conditioning system comprises a main body, 2 parts of a glass disc, 3 parts of an identifier, 4 parts of a connecting pipe, 5 parts of a contact switch, 6 parts of a fixing rod, 7 parts of a sliding block, 8 parts of a spring, 9 parts of an exhaust pipe, 10 parts of an extrusion disc, 11 parts of an elastic wire, 12 parts of a fixed pulley, 13 parts of a moving rod, 14 parts of a supporting block, 15 parts of a limiting block, 16 parts of a one-way valve, 17 parts of fan blades, 18 parts of a generator and 19 parts of a filter.
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 heat dissipation type fingerprint identification device for attendance with high reliability comprises a main body 1, a glass disc 2 and an identifier 3, wherein the main body 1 is cuboid, the axis of the glass disc 2 is perpendicular to the top of the main body 1, the glass disc 2 is arranged above the main body 1 and has a gap with the top of the main body 1, the identifier 3 is arranged at the bottom of the main body 1 and is opposite to the glass disc 2, and a connecting mechanism and a heat dissipation mechanism are arranged in the main body 1;
the connecting mechanism comprises a connecting pipe 4, a contact switch 5 and three connecting components, wherein the connecting pipe 4 is coaxially arranged with the glass disc 2, the outer diameter of the connecting pipe 4 is smaller than the diameter of the glass disc 2, a mounting hole is arranged at the top of the main body 1, the mounting hole and the connecting pipe 4 are coaxially arranged, the outer diameter of the connecting pipe 4 is equal to the aperture of the mounting hole, the connecting pipe 4 penetrates through the mounting hole, the connecting pipe 4 is in sliding and sealing connection with the inner wall of the mounting hole, the glass disc 2 is fixedly and fixedly connected with the top end of the connecting pipe 4, the contact switch 5 is arranged on one side of the connecting pipe 4 far away from the glass disc 2, the contact switch 5 is fixedly connected with the bottom of the main body 1, a gap is arranged between the contact switch 5 and the connecting pipe 4 and is equal to the gap between the glass disc 2 and the main body 1, the connecting assemblies are circumferentially and uniformly distributed on the periphery of the connecting pipe 4 by taking the axis of the connecting pipe 4 as a center;
the connecting assembly comprises a fixed rod 6, a sliding block 7 and a spring 8, the fixed rod 6 is parallel to the connecting pipe 4, two ends of the fixed rod 6 are respectively fixed to the top and the bottom in the main body 1, the sliding block 7 is sleeved on the fixed rod 6, the sliding block 7 is fixed on the connecting pipe 4, the sliding block 7 is abutted against the top in the main body 1, and one side, far away from the glass disc 2, of the sliding block 7 is connected with the bottom in the main body 1 through the spring 8;
the user places a finger on the glass plate 2 and presses it downward, thereby increasing the air pressure inside the main body 1, and compressing the spring 8, the glass disc 2 generates reverse acting force to the fingers under the action of air pressure, at the moment, the pressing force of the fingers is increased, the glass disc 2 drives the connecting pipe 4 to continuously move downwards, after the connecting pipe 4 is abutted against the contact switch 5, the recognizer 3 is started, the fingerprint on the finger pressed on the glass disc 2 is collected and analyzed, and the fingerprint identification effect is realized, wherein, the glass disc 2 generates reverse acting force to the finger through air pressure, so that the recognizer 3 can be triggered to operate only when the pressing force of the finger to the glass disc 2 reaches a certain strength, thereby avoiding the fingerprint blurring caused by the undersize finger pressing force, improving the reliability of fingerprint acquisition, when the finger is removed from the glass disc 2, the connecting tube 4 drives the glass disc 2 to reset under the elastic action of the spring 8.
As shown in fig. 3 to 4, the heat dissipation mechanism includes an exhaust component and an intake component, the exhaust component is disposed on one side of the main body 1, and the intake component is disposed on the other side of the main body 1;
the exhaust component comprises an exhaust hole, an exhaust pipe 9, an extrusion disc 10, an elastic wire 11, a fixed pulley 12 and two guide units, wherein the exhaust hole is formed in the main body 1, the axis of the exhaust hole is perpendicular to and intersected with the axis of the connecting pipe 4, the exhaust pipe 9 and the extrusion disc 10 are both coaxially arranged with the exhaust hole, the exhaust pipe 9 penetrates through the exhaust hole, the exhaust pipe 9 is sealed and fixedly connected with the inner wall of the exhaust hole, the extrusion disc 10 and the fixed pulley 12 are both positioned in the exhaust pipe 9, the diameter of the extrusion disc 10 is equal to the inner diameter of the exhaust pipe 9, the extrusion disc 10 is in sliding and sealing connection with the inner wall of the exhaust pipe 9, the fixed pulley 12 is positioned on one side, close to the axis of the connecting pipe 4, of the extrusion disc 10, the fixed pulley 12 is fixed on the inner wall of the exhaust pipe 9, one end of the elastic, the other end of the elastic wire 11 is fixed on one side of the extrusion disc 10 close to the fixed pulley 12 by passing through the fixed pulley 12, the guide unit is arranged in the exhaust pipe 9 and is positioned on one side of the extrusion disc 10 close to the fixed pulley 12, and the fixed pulley 12 is positioned between the two guide units;
the guide unit comprises a moving rod 13, a supporting block 14, a limiting block 15 and a through hole, the moving rod 13 is parallel to the exhaust pipe 9, one end of the moving rod 13 is fixed on the extrusion disc 10, the limiting block 15 is fixed at the other end of the moving rod 13, the supporting block 14 is positioned between the limiting block 15 and the extrusion disc 10, the through hole is formed in the supporting block 14, the moving rod 13 penetrates through the through hole, the moving rod 13 is in sliding connection with the inner wall of the through hole, the extrusion disc 10 abuts against the supporting block 14, the supporting block 14 is fixed on the inner wall of the exhaust pipe 9, a gap is formed between the limiting block 15 and the supporting block 14, and the gap is larger than the distance between one side, close to the fixed pulley 12, of the extrusion disc 10 and one side;
the air inlet assembly comprises an air inlet hole and a one-way valve 16, the air inlet hole is formed in the main body 1, and the one-way valve 16 is installed in the air inlet hole.
When the glass disk 2 moves towards the direction close to the main body 1, the air in the main body 1 cannot be discharged from the air inlet hole through the one-way characteristic of the one-way valve 16, so that the air pressure in the main body 1 is increased, at the moment, the extrusion disk 10 moves towards the direction away from the fixed pulley 12 under the action of the air pressure, the elastic wire 11 is stretched, along with the increase of the air pressure in the main body 1, when the connecting pipe 4 abuts against the contact switch 5, the extrusion disk 10 moves out of the exhaust pipe 9 through the air pressure in the main body 1, so that the air in the main body 1 can be discharged, the air pressure in the main body 1 is reduced, the movement of the extrusion disk 10 drives the movable rod 13 to move on the support block 14, the guiding effect is achieved through the matching of the movable rod 13 and the support block 14, after the air pressure in the main body 1 is reduced, the extrusion disk 10 reversely moves into the exhaust pipe 9 under the elastic action of the elastic, when the glass disc 2 resets, the outside air of main part 1 gets into in the main part 1 from the inlet port to can realize the directional flow of air, can discharge the heat in the main part 1 through the air current, realize the heat dissipation.
Preferably, in order to realize energy conservation, an energy-saving component is arranged in the main body 1, the energy-saving component comprises a fan blade 17 and a generator 18, the fan blade 17 is located in the air inlet and is coaxially arranged with the air inlet, the fan blade 17 and the generator 18 are both located on one side, close to the axis of the connecting pipe 4, of the check valve 16, the generator 18 is fixed on the inner wall of the main body 1, and the fan blade 17 is installed on the generator 18.
The fan blades 17 are rotated by airflow generated by the air flowing in the air inlet, the generator 18 is operated to generate electric quantity by the rotation of the fan blades 17, and the equipment is operated, so that the energy-saving effect is achieved.
Preferably, in order to avoid the entry of dust into the body 1 through the air intake, a sieve 19 is provided in said air intake, said sieve 19 being arranged on the side of the non-return valve 16 remote from the axis of the connecting tube 4.
The filter screen 19 is used for preventing dust from entering the main body 1 through the air inlet hole, and the dustproof effect is achieved.
Preferably, in order to reduce the gap between the mounting hole and the connection pipe 4, the inner wall of the mounting hole is coated with a sealing grease.
The sealing grease has the function of reducing the gap between the mounting hole and the connecting pipe 4 and improving the sealing property.
Preferably, in order to achieve the effects of buffering and vibration reduction, the material of the limiting block 15 is rubber.
The rubber texture is comparatively soft, can reduce the stopper 15 and support block 14 and support the impact force that produces when leaning on, has played the effect of buffering and damping.
Preferably, the moving rod 13 is coated with a lubricating oil in order to reduce the frictional force between the moving rod 13 and the inner wall of the through-hole.
The lubricating oil has the function of reducing the friction force between the moving rod 13 and the inner wall of the through hole and improving the moving fluency of the moving rod 13.
Preferably, in order to improve the degree of automation, a PLC is provided in the main body 1, and the contact switch 5 and the identifier 3 are electrically connected to the PLC.
The PLC, namely a programmable logic controller, adopts a programmable memory, is used for storing programs in the programmable logic controller, executes instructions facing users such as logic operation, sequence control, timing, counting, arithmetic operation and the like, controls various types of machinery or production processes through digital or analog input and output, is a computer special for industrial control in essence, has basically the same hardware structure as a microcomputer, is generally used for data processing and instruction receiving and output, is used for realizing central control, when a connecting pipe 4 is abutted against a contact switch 5, the contact switch 5 sends a signal to the PLC, and the PLC controls an identifier 3 to collect fingerprint information, thereby improving the automation degree.
Preferably, in order to prolong the service life of the fixing rod 6, the fixing rod 6 is provided with an anti-corrosion zinc coating.
The function of anticorrosive galvanizing coat is to promote the rust-resistant ability of dead lever 6, prolongs the life of dead lever 6.
Preferably, in order to improve the heat dissipation effect, a heat conductive silicone is disposed on the extrusion disk 10.
Heat in the main body 1 is absorbed through the extrusion disc 10, and the heat-conducting silica gel plays a role in improving the heat dissipation capacity of the extrusion disc 10, so that the heat dissipation effect is improved.
Preferably, in order to facilitate the matching between the fixing rod 6 and the sliding block 7, both ends of the fixing rod 6 are provided with chamfers.
The chamfer angle is used for reducing the caliber of the fixing rod 6 when the fixing rod is inserted into the sliding block 7, and the effect of convenient installation is achieved;
during the use of the device, a user places a finger on the glass disc 2 and presses downwards, through the one-way characteristic of the one-way valve 16, air in the main body 1 cannot be discharged from the air inlet hole, so that the air pressure in the main body 1 is increased, the spring 8 is compressed, the glass disc 2 generates reverse acting force to the finger under the action of the air pressure, meanwhile, the extrusion disc 10 moves towards the direction far away from the fixed pulley 12 under the action of the air pressure, and the elastic wire 11 is stretched, at the moment, the pressing force of the finger is increased, so that the glass disc 2 drives the connecting pipe 4 to continue moving downwards, when the connecting pipe 4 is abutted against the contact switch 5, the recognizer 3 is started, the fingerprint pressed on the finger on the glass disc 2 is collected and analyzed, the fingerprint recognition effect is realized, here, the reverse acting force generated by the glass disc 2 to the finger through the air pressure enables the finger to reach a certain pressing force to trigger the recognizer 3 to operate, thereby can avoid the finger to press the pressure degree undersize and lead to the fingerprint fuzzy, the reliability of fingerprint collection has been improved, when connecting pipe 4 supports with contact switch 5 and leans on, atmospheric pressure through in the main part 1 makes extrusion dish 10 shift out blast pipe 9, thereby make the air in the main part 1 discharge, and make the atmospheric pressure reduce in the main part 1, realize the pressure release, afterwards, make extrusion dish 10 reverse movement to blast pipe 9 in under the elastic action of elastic cord 11, after the finger shifts up from glass dish 2, make connecting pipe 4 drive glass dish 2 and reset under spring 8's elastic action, at this moment, the outside air of main part 1 gets into in the main part 1 from the inlet port, thereby can realize the directional flow of air, can discharge the heat in the main part 1 through the air current, realize the heat dissipation.
Compared with the prior art, this a heat dissipation type fingerprint identification equipment that is used for reliability of attendance high has improved fingerprint information collection's reliability through coupling mechanism, compares with current coupling mechanism, and this coupling mechanism has still realized the directional function that flows of drive main part 1 interior air, and the practicality is stronger, and not only, has still realized radiating function through heat dissipation mechanism, compares with current heat dissipation mechanism, and this heat dissipation mechanism need not electric drive, environmental protection and energy saving more.
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 heat dissipation type fingerprint identification device used for attendance checking and high in reliability comprises a main body (1), a glass disc (2) and an identifier (3), wherein the main body (1) is cuboid in shape, the axis of the glass disc (2) is perpendicular to the top of the main body (1), the glass disc (2) is arranged above the main body (1) and is provided with a gap with the top of the main body (1), the identifier (3) is arranged at the bottom in the main body (1) and is right opposite to the glass disc (2), and the heat dissipation type fingerprint identification device is characterized in that a connecting mechanism and a heat dissipation mechanism are arranged in the main body (1);
the connecting mechanism comprises a connecting pipe (4), a contact switch (5) and three connecting components, the connecting pipe (4) is coaxially arranged with the glass disc (2), the outer diameter of the connecting pipe (4) is smaller than the diameter of the glass disc (2), the top of the main body (1) is provided with a mounting hole, the mounting hole is coaxially arranged with the connecting pipe (4), the outer diameter of the connecting pipe (4) is equal to the aperture of the mounting hole, the connecting pipe (4) penetrates through the mounting hole, the inner wall of the connecting pipe (4) and the mounting hole slides and is in sealing connection, the glass disc (2) is fixedly and fixedly connected with the top end of the connecting pipe (4), the contact switch (5) is arranged on one side of the connecting pipe (4) far away from the glass disc (2), the bottom of the contact switch (5) and the main body (1) is fixedly connected, a gap is arranged between the contact switch (5) and the connecting pipe (4) and is equal to the gap between the glass disc (2) and the main body (1), the connecting assembly is positioned in the main body (1), and the connecting assembly is circumferentially and uniformly distributed on the periphery of the connecting pipe (4) by taking the axis of the connecting pipe (4) as a center;
the connecting assembly comprises a fixing rod (6), a sliding block (7) and a spring (8), the fixing rod (6) is parallel to the connecting pipe (4), two ends of the fixing rod (6) are respectively fixed to the top and the bottom of the main body (1), the sliding block (7) is sleeved on the fixing rod (6), the sliding block (7) is fixed to the connecting pipe (4), the sliding block (7) abuts against the top of the main body (1), and one side, far away from the glass disc (2), of the sliding block (7) is connected with the bottom of the main body (1) through the spring (8);
the heat dissipation mechanism comprises an exhaust assembly and an air inlet assembly, the exhaust assembly is arranged on one side of the main body (1), and the air inlet assembly is arranged on the other side of the main body (1);
the exhaust component comprises an exhaust hole, an exhaust pipe (9), an extrusion disc (10), an elastic wire (11), a fixed pulley (12) and two guide units, wherein the exhaust hole is formed in a main body (1), the axis of the exhaust hole is perpendicular to and intersected with the axis of a connecting pipe (4), the exhaust pipe (9) and the extrusion disc (10) are coaxially arranged with the exhaust hole, the exhaust pipe (9) penetrates through the exhaust hole, the exhaust pipe (9) is sealed and fixedly connected with the inner wall of the exhaust hole, the extrusion disc (10) and the fixed pulley (12) are both positioned in the exhaust pipe (9), the diameter of the extrusion disc (10) is equal to the inner diameter of the exhaust pipe (9), the extrusion disc (10) is in sliding and sealing connection with the inner wall of the exhaust pipe (9), the fixed pulley (12) is positioned on one side, close to the axis of the connecting pipe (4), of the extrusion disc (10), and the fixed pulley (12) is fixed on the inner wall of the, one end of the elastic wire (11) is fixed on one side, close to the fixed pulley (12), of the extrusion disc (10), the other end of the elastic wire (11) is fixed on one side, close to the fixed pulley (12), of the extrusion disc (10) by passing the fixed pulley (12), the guide unit is arranged in the exhaust pipe (9) and located on one side, close to the fixed pulley (12), of the extrusion disc (10), and the fixed pulley (12) is located between the two guide units;
the guide unit comprises a moving rod (13), a supporting block (14), a limiting block (15) and a through hole, the moving rod (13) is parallel to the exhaust pipe (9), one end of the moving rod (13) is fixed on the extrusion disc (10), the limiting block (15) is fixed at the other end of the moving rod (13), the supporting block (14) is positioned between the limiting block (15) and the extrusion disc (10), the through hole is arranged on the supporting block (14), the moving rod (13) passes through the through hole, the moving rod (13) is connected with the inner wall of the through hole in a sliding way, the extrusion disc (10) is abutted against the supporting block (14), the supporting block (14) is fixed on the inner wall of the exhaust pipe (9), a gap is formed between the limiting block (15) and the supporting block (14) and is larger than the distance between one side, close to the fixed pulley (12), of the extrusion disc (10) and one side, far away from the axis of the connecting pipe (4), of the exhaust pipe (9);
the air inlet assembly comprises an air inlet hole and a one-way valve (16), the air inlet hole is formed in the main body (1), and the one-way valve (16) is installed in the air inlet hole.
2. The heat dissipation type fingerprint identification device for checking in attendance with high reliability according to claim 1, wherein an energy-saving component is arranged in the main body (1), the energy-saving component comprises a fan blade (17) and a generator (18), the fan blade (17) is positioned in the air inlet and is coaxially arranged with the air inlet, the fan blade (17) and the generator (18) are both positioned on one side of the check valve (16) close to the axis of the connecting pipe (4), the generator (18) is fixed on the inner wall of the main body (1), and the fan blade (17) is installed on the generator (18).
3. The high-reliability heat dissipation type fingerprint identification device for attendance checking according to claim 1, wherein a filter screen (19) is arranged in the air inlet hole, and the filter screen (19) is arranged on one side of the check valve (16) far away from the axis of the connecting pipe (4).
4. The heat dissipation type fingerprint recognition device for attendance checking of high reliability as set forth in claim 1, wherein an inner wall of said mounting hole is coated with a sealing grease.
5. The high-reliability heat dissipation type fingerprint identification device for attendance checking according to claim 1, wherein the limiting block (15) is made of rubber.
6. The heat dissipation type fingerprint recognition apparatus for attendance of claim 1, wherein the moving bar (13) is coated with a lubricating oil.
7. The heat dissipation type fingerprint identification device for attendance checking with high reliability according to claim 1, wherein a PLC is provided in the main body (1), and the contact switch (5) and the identifier (3) are electrically connected to the PLC.
8. The high-reliability heat dissipation type fingerprint identification device for attendance checking according to claim 1, wherein an anti-corrosion zinc coating is provided on the fixing rod (6).
9. The high-reliability heat dissipation type fingerprint identification device for attendance checking according to claim 1, wherein a heat conductive silica gel is arranged on the pressing plate (10).
10. The heat dissipation type fingerprint identification device for attendance checking with high reliability according to claim 1, wherein both ends of the fixing lever (6) are provided with chamfers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911005765.3A CN110796755A (en) | 2019-10-22 | 2019-10-22 | A heat dissipation type fingerprint identification equipment that reliability is high for attendance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911005765.3A CN110796755A (en) | 2019-10-22 | 2019-10-22 | A heat dissipation type fingerprint identification equipment that reliability is high for attendance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110796755A true CN110796755A (en) | 2020-02-14 |
Family
ID=69440629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911005765.3A Withdrawn CN110796755A (en) | 2019-10-22 | 2019-10-22 | A heat dissipation type fingerprint identification equipment that reliability is high for attendance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110796755A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111553999A (en) * | 2020-04-24 | 2020-08-18 | 深圳市飞龙云商贸有限公司 | Safe and reliable's fingerprint attendance machine |
| CN112037352A (en) * | 2020-08-17 | 2020-12-04 | 江细方 | Fingerprint punched-card machine for staff attendance with function of improving fingerprint identification degree |
-
2019
- 2019-10-22 CN CN201911005765.3A patent/CN110796755A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111553999A (en) * | 2020-04-24 | 2020-08-18 | 深圳市飞龙云商贸有限公司 | Safe and reliable's fingerprint attendance machine |
| CN112037352A (en) * | 2020-08-17 | 2020-12-04 | 江细方 | Fingerprint punched-card machine for staff attendance with function of improving fingerprint identification degree |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110796755A (en) | A heat dissipation type fingerprint identification equipment that reliability is high for attendance | |
| CN110766821A (en) | A fingerprint identification equipment that is used for high accuracy of attendance | |
| CN110765957A (en) | Fingerprint identification device that accuracy is high with dustproof function | |
| CN109769085B (en) | Monitoring device with defogging function and convenient to install | |
| CN209042283U (en) | A kind of LED light controller housing with defencive function | |
| CN110969746A (en) | Fingerprint identification device with sterilization function for access control system | |
| CN110956150A (en) | Fingerprint identification equipment with good heat dissipation effect based on block chain technology | |
| CN110908480A (en) | Host with good heat dissipation effect and stable placement | |
| CN110766820B (en) | Fingerprint identification equipment with sterilization function for attendance system | |
| CN110765949A (en) | A fingerprint identification equipment that factor of safety is high for intelligent security | |
| CN110647869A (en) | Dust-proof fingerprint identification device with good protection effect | |
| CN209600374U (en) | The fixation device of automobile dome light | |
| CN112070947A (en) | Intelligent fingerprint identification equipment that protecting effect is good | |
| CN111520028A (en) | Energy-saving safe case that fingerprint identification precision is high | |
| CN110766817A (en) | A fingerprint identification equipment that is used for attendance system that reliability is high | |
| CN110782541A (en) | A fingerprint identification device for attendance system has clean function | |
| CN109493467B (en) | Temperature-controllable intelligent access control based on block chain technology | |
| CN112153259B (en) | Intelligent security equipment with adjust light intensity | |
| CN211152388U (en) | Intelligent video monitoring terminal | |
| CN207966010U (en) | A kind of fingerprint doorcontrol device with water-proof function | |
| CN111444800A (en) | Energy-saving fingerprint identification equipment based on block chain technology | |
| CN110992563A (en) | Entrance guard's equipment that has disinfection function based on block chain technique | |
| CN112233264A (en) | High-precision intelligent fingerprint identification robot | |
| CN111105543A (en) | Fingerprint identification entrance guard's device that has clean function based on block chain | |
| CN112394776A (en) | Better computer hard disk fixing device of stability |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200214 |
|
| WW01 | Invention patent application withdrawn after publication |