CN210976938U - Intelligent door lock based on finger vein recognition - Google Patents
Intelligent door lock based on finger vein recognition Download PDFInfo
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- CN210976938U CN210976938U CN201921496833.6U CN201921496833U CN210976938U CN 210976938 U CN210976938 U CN 210976938U CN 201921496833 U CN201921496833 U CN 201921496833U CN 210976938 U CN210976938 U CN 210976938U
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Abstract
The utility model provides an intelligent door lock based on finger vein recognition, which can realize identity recognition and authentication based on finger vein information of a user, and comprises a door lock handle suitable for holding and a door lock main body suitable for being connected with the door lock handle; the finger vein recognition device is installed in the door lock handle, rotates along with the door lock handle to follow finger vein information of a collection user, and is used for achieving an identity recognition authentication function according to the collected finger vein information. The utility model discloses the structure is exquisite, and easy to carry out compares in prior art, the utility model discloses realize accomplishing finger vein discernment in rotatory handle, need not to change the position of hand, also need not additionally to stimulate the handle and unblank, the simplified operation has shortened the time of unblanking, has promoted user experience.
Description
Technical Field
The utility model relates to an intelligence lock technical field especially relates to an intelligence lock based on finger vein discernment.
Background
Along with the development of science and technology, the intelligent door lock based on biological identification means such as entrance guard's card, fingerprint, vein, face appearance, iris has been released in the market, because it has the security height, the convenience is strong and do not have the advantage of losing, replaces traditional mechanical lock gradually and becomes mainstream tool to lock. At present, the identification module of biological identification intelligence lock on the market mostly all concentrates on lock main part device, and the discernment needs the longer time, and after accomplishing the discernment unblock, still need change the position of hand, needs additionally to stimulate the doorknob and opens the door, complex operation, and user experience feels poor.
Accordingly, the prior art is deficient and needs improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, provide an intelligent lock based on finger vein discernment.
The technical scheme of the utility model as follows: an intelligent door lock based on finger vein recognition comprises a door lock handle suitable for being held by hand and a door lock main body suitable for being connected with the door lock handle; the finger vein recognition device is installed in the door lock handle, rotates along with the door lock handle to follow finger vein information of a collection user, and is used for achieving an identity recognition authentication function according to the collected finger vein information.
Preferably, the finger vein recognition device faces the rear side of the door lock handle, and a collection window is arranged on the rear side of the door lock handle.
Preferably, the finger vein recognition device comprises a control device, an image acquisition module, an image recognition module, a data storage module and a door lock driving module, wherein the control device is electrically connected with the image acquisition module, the image recognition module, the data storage module and the door lock driving module respectively, the finger vein information is acquired through the image acquisition module, the data storage module is prestored with a user finger vein image for comparison, the finger vein information acquired by the image acquisition module is preprocessed and compared through the image recognition module, and the door lock driving module drives the door lock main body to realize unlocking action.
Preferably, the image acquisition module comprises a camera, a near-infrared lamp and an optical filter, and the camera and the near-infrared lamp are respectively and electrically connected with the control device; the near infrared lamp is arranged at the joint of the door lock handle and the door lock main body, and a light outlet window is arranged at the joint of the door lock handle and the door lock main body to form side-emitting irradiation; the camera is arranged on one side of the control device, which faces the rear side face of the door lock handle, and is used for collecting and shooting finger vein information of fingers of a user; the optical filter is arranged on the control device behind the camera and used for filtering stray light and correcting light color.
Preferably, the camera and the near-infrared lamp are kept relatively still, and the camera collects finger vein information of the user along with shooting along with the angle of pressing the door lock handle.
Preferably, the image recognition module is arranged on the front side surface of the control device, and the image recognition module comprises a burning-in module used for preprocessing and recognizing the finger vein information collected by the image collection module.
Preferably, the data storage module is arranged on the front side surface of the control device on the right side of the image recognition module, and comprises more than one Flash memory used for prestoring the user finger vein images.
Preferably, the door lock driving module comprises a driving USB interface and a door lock control line, one end of the driving USB interface is electrically connected with the control device, the other end of the driving USB interface is electrically connected with the door lock control line, and the door lock control line is further electrically connected with the door lock main body and used for driving the door lock main body to realize intelligent unlocking.
Preferably, the intelligent door lock based on finger vein recognition further comprises a touch sensor, the touch sensor is arranged between the camera and the optical filter, and the touch sensor is further electrically connected with the control device; one end of the touch sensor is exposed out of the acquisition window and used for sensing fingers of a user and feeding back data to the control device.
By adopting the scheme, the utility model discloses following beneficial effect has:
1. the utility model has the advantages of exquisite structure and easy implementation, compared with the prior art, the utility model realizes that finger vein recognition is completed while the handle is rotated, the position of the hand is not required to be changed, the handle is not required to be additionally pulled for unlocking, the operation is simplified, the unlocking time is shortened, and the user experience is improved;
2. the application of touch sensor in the preferred scheme effectively avoids intelligent lock to be in the high-power consumption state always, has practiced thrift the electric energy, and the feature of environmental protection is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a top view of the structure of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 2, the present invention provides an intelligent door lock based on finger vein recognition, which can realize identity recognition and authentication based on finger vein information of a user, and includes a door lock handle 1 suitable for holding and a door lock main body 2 suitable for being connected to the door lock handle 1; a finger vein recognition device is installed in the door lock handle 1, and the finger vein recognition device rotates along with the door lock handle 1 to collect finger vein information of a user and is used for realizing an identity recognition and authentication function according to the collected finger vein information;
the finger vein recognition device faces the rear side face of the door lock handle 1, a collection window is arranged on the rear side face of the door lock handle 1, the collection window is exposed out of the rear side face, and the collection window is vertically arranged to be matched with the holding postures of two adjacent fingers in the four fingers except the thumb; the finger vein recognition device comprises a control device, an image acquisition module, an image recognition module 6, a data storage module 7 and a door lock driving module, wherein the control device is respectively electrically connected with the image acquisition module, the image recognition module 6, the data storage module 7 and the door lock driving module, the finger vein information is acquired through the image acquisition module, a user finger vein image for comparison is prestored in the data storage module 7, the finger vein information acquired by the image acquisition module is preprocessed and compared through the image recognition module 6, and the door lock driving module drives the door lock main body 2 to realize unlocking action;
the control device comprises a main control chip, the main control chip is a Junzhen X1000E processor, and the main control chip is respectively electrically connected with the image acquisition module, the image recognition module 6, the data storage module 7 and the door lock driving module and is used for controlling the work of the image acquisition module, the image recognition module 6, the data storage module 7 and the door lock driving module;
the image acquisition module comprises a camera 3, a near-infrared lamp 4 and an optical filter 5, and the camera 3 and the near-infrared lamp 4 are respectively and electrically connected with the main control chip; the near-infrared lamp 4 is arranged at the joint of the door lock handle 1 and the door lock main body 2, the wavelength of the near-infrared lamp 4 is preferably between 700nm and 900nm, and a light outlet window is arranged at the joint of the door lock handle 1 and the door lock main body 2 to form side-emitting type irradiation; the camera 3 is arranged on one side of the control device facing the back side surface of the door lock handle 1, and the camera 3 can be a CMOS or CCD camera 3 and is used for collecting finger vein information presented by the finger of the user irradiated by the near infrared lamp 4; the optical filter 5 is arranged on the control device behind the camera 3 and used for filtering stray light and correcting the color of light;
it is worth mentioning that the near-infrared lamp is positioned on the same axis of the joint of the door lock handle and the door lock main body, namely the near-infrared lamp does not irradiate obliquely, and the camera is positioned on the same axis of the door lock handle, is positioned on the same horizontal plane with the near-infrared lamp and is positioned at a right angle of 90 degrees with the near-infrared lamp;
the camera 3 and the near infrared lamp 4 rotate along with the rotation of the door lock handle 1 along with the pressing of the door lock handle 1 by a user, so that the camera 3 and the near infrared lamp 4 are kept relatively static, and the camera 3 can shoot and collect finger vein information of the user along with the angle of the pressed door lock handle 1;
the image recognition module 6 is arranged on the front side surface of the control device, comprises a burning-in module, a recognition algorithm is embedded in the burning-in module, and the collected finger vein information is preprocessed and compared through the recognition algorithm, and here, it is to be noted that the burning-in module belongs to a conventional mature technology for technicians in the field, and can be embedded in the burning-in module by adopting the existing recognition algorithm, and the recognition algorithm and the picture parameters collected by the camera 3 are calibrated in advance during application, and the method belongs to a conventional technical means, and the detailed description of the above contents is not given;
the data storage module 7 is arranged on the front side surface of the control device on the right side of the image recognition module 6, and comprises more than one Flash memory, and the Flash memory is electrically connected with the main control chip and is used for prestoring the user finger vein image;
the door lock driving module comprises a driving USB interface 8 and a door lock control line, correspondingly, an unlocking mechanism is arranged in the door lock main body 2, one end of the driving USB interface 8 is electrically connected with the main control chip, the other end of the driving USB interface 8 is electrically connected with the door lock control line, the door lock control line is also electrically connected with the unlocking mechanism, the main control chip sends an unlocking instruction to the unlocking mechanism through the driving USB interface 8 and the door lock control line to realize intelligent unlocking, and here, it needs to be explained that the unlocking mechanism belongs to the conventional mature technology for technicians in the field, the door lock control line and the unlocking mechanism are not shown in the attached drawings of the specification, and the specific structure and the working mode of the unlocking mechanism are not explained in detail;
the intelligent door lock based on the finger vein recognition further comprises a touch sensor 9, the touch sensor 9 is arranged between the camera 3 and the optical filter 5, and the touch sensor 9 is further electrically connected with the main control chip; one end of the touch sensor 9 is exposed out of the acquisition window and used for sensing a finger of a user and feeding back data to the main control chip.
The utility model discloses working process and principle as follows:
firstly, the user places the hand in door lock handle 1, door lock handle 1 is rotated downwards, the user touches the touch sensor at the acquisition window with the finger, camera 3 starts to collect the user finger vein information, near infrared lamp 4 side-emitting type irradiation, optical filter 5 filters interference light, and camera 3 transmits the collected finger vein information to image recognition module 6, the burning-in module preprocesses the collected finger vein information and reads the user finger vein image prestored in data storage module 7 for comparison, if the comparison is successful, the door lock control line connected with drive USB interface 8 transmits the unlocking instruction to the unlocking mechanism, the unlocking of the lock cylinder is completed, and the function of opening the door immediately while the rotation is completed is realized.
It is worth mentioning that in the time quantum that the finger was not put into to the collection window, the touch sensor failed to detect the user finger, to this data of main control chip feedback, and main control chip control camera 3 and near infrared lamp 4 stop work for whole intelligent lock is in the low-power consumption state always, has practiced thrift the electric energy, and the feature of environmental protection is high.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model has the advantages of exquisite structure and easy implementation, compared with the prior art, the utility model realizes that finger vein recognition is completed while the handle is rotated, the position of the hand is not required to be changed, the handle is not required to be additionally pulled for unlocking, the operation is simplified, the unlocking time is shortened, and the user experience is improved;
2. the application of touch sensor in the preferred scheme effectively avoids intelligent lock to be in the high-power consumption state always, has practiced thrift the electric energy, and the feature of environmental protection is high.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. An intelligent door lock based on finger vein recognition is characterized by comprising a door lock handle suitable for being held by hand and a door lock main body suitable for being connected with the door lock handle; the finger vein recognition device is installed in the door lock handle, rotates along with the door lock handle to follow finger vein information of a collection user, and is used for achieving an identity recognition authentication function according to the collected finger vein information.
2. The intelligent door lock based on finger vein recognition is characterized in that the finger vein recognition device faces to the rear side face of the door lock handle, and a collection window is arranged on the rear side face of the door lock handle.
3. The intelligent door lock based on finger vein recognition according to claim 2, wherein the finger vein recognition device comprises a control device, an image acquisition module, an image recognition module, a data storage module and a door lock driving module, the control device is electrically connected with the image acquisition module, the image recognition module, the data storage module and the door lock driving module respectively, the finger vein information is acquired through the image acquisition module, a user finger vein image for comparison is prestored in the data storage module, the finger vein information acquired by the image acquisition module is preprocessed and compared through the image recognition module, and the door lock driving module drives the door lock main body to realize unlocking action.
4. The intelligent door lock based on finger vein recognition according to claim 3, wherein the image acquisition module comprises a camera, a near infrared lamp and an optical filter, and the camera and the near infrared lamp are respectively electrically connected with the control device; the near infrared lamp is arranged at the joint of the door lock handle and the door lock main body, and a light outlet window is arranged at the joint of the door lock handle and the door lock main body to form side-emitting irradiation; the camera is arranged on one side of the control device, which faces the rear side face of the door lock handle, and is used for collecting and shooting finger vein information of fingers of a user; the optical filter is arranged on the control device behind the camera and used for filtering stray light and correcting light color.
5. The intelligent door lock based on finger vein recognition is characterized in that the camera and the near infrared lamp are kept relatively static, and the camera collects user finger vein information along with shooting according to the angle of pressing a door lock handle.
6. The intelligent door lock based on finger vein recognition is characterized in that the image recognition module is arranged on the front side face of the control device and comprises a burn-in module used for preprocessing and recognizing finger vein information collected by the image collection module.
7. The intelligent door lock based on finger vein recognition of claim 3, wherein the data storage module is arranged on the front side surface of the control device on the right side of the image recognition module and comprises more than one Flash memory for pre-storing the user finger vein image.
8. The intelligent door lock based on finger vein recognition of claim 3, wherein the door lock driving module comprises a driving USB interface and a door lock control line, one end of the driving USB interface is electrically connected with the control device, the other end of the driving USB interface is electrically connected with the door lock control line, and the door lock control line is further electrically connected with the door lock main body and used for driving the door lock main body to realize intelligent unlocking.
9. The intelligent door lock based on finger vein recognition of claim 4, further comprising a touch sensor, wherein the touch sensor is arranged between the camera and the optical filter, and is electrically connected with the control device; one end of the touch sensor is exposed out of the acquisition window and used for sensing fingers of a user and feeding back data to the control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921496833.6U CN210976938U (en) | 2019-09-09 | 2019-09-09 | Intelligent door lock based on finger vein recognition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921496833.6U CN210976938U (en) | 2019-09-09 | 2019-09-09 | Intelligent door lock based on finger vein recognition |
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| CN210976938U true CN210976938U (en) | 2020-07-10 |
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| CN201921496833.6U Active CN210976938U (en) | 2019-09-09 | 2019-09-09 | Intelligent door lock based on finger vein recognition |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113034716A (en) * | 2021-03-05 | 2021-06-25 | 杭州职业技术学院 | Attendance checking all-in-one machine for office automation and use method thereof |
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- 2019-09-09 CN CN201921496833.6U patent/CN210976938U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113034716A (en) * | 2021-03-05 | 2021-06-25 | 杭州职业技术学院 | Attendance checking all-in-one machine for office automation and use method thereof |
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