CN217562060U

CN217562060U - Finger vein recognition device, handle and intelligent door lock

Info

Publication number: CN217562060U
Application number: CN202221482007.8U
Authority: CN
Inventors: 陈飞龙; 唐杰; 李春光; 陈道远; 王鹏飞; 陈梓豪
Original assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Lianyun Technology Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Lianyun Technology Co Ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-10-11
Anticipated expiration: 2032-06-13

Abstract

The application discloses a finger vein recognition device, a handle and an intelligent door lock, wherein the finger vein recognition device comprises a recognition component and a light source component, the recognition component comprises a recognition part, the recognition part is provided with an image collector, and the image collector is used for collecting finger vein images of fingers of a user on the recognition part so as to confirm identity information of the user; the light source assembly is used for emitting infrared light, the infrared light can irradiate on the identification part, and the identification part covers at least two fingers and collects finger vein images of the fingers through the image collector. At least two fingers can be placed on the recognition part at the same time, finger vein images are obtained through the image collector, and the obtained finger vein images are compared and recognized through the recognition component, so that the safety of identity recognition is improved, and the possibility of false recognition is greatly reduced.

Description

Finger vein recognition device, handle and intelligent door lock

Technical Field

The application relates to the technical field of electronic equipment generally, and particularly discloses a finger vein recognition device, a handle and an intelligent door lock.

Background

With the development of biotechnology, biometric identification technology has become more sophisticated, and can use personal characteristics to authenticate or verify the identity of a user. The finger vein recognition technology is a technology for recognizing a finger vein by using a finger vein distribution image. The blood flowing in the human finger can absorb light with specific wavelength, the finger is irradiated by the light with the specific wavelength, a clear image of a finger vein can be obtained, and the method has higher identification success rate and safety when being applied to intelligent door lock identification.

At present, the finger vein recognition technology can only recognize a single finger, the identification error is easily generated in the recognition process of the identity verification of the single finger, and the safety problem exists in the use process of a user.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a finger vein recognition device, handle and intelligent lock, it can solve among the prior art single finger discernment and produce the technical problem of misrecognition easily.

In order to realize the purpose of the utility model, the following technical scheme is adopted in the application:

in a first aspect, the present application provides a finger vein recognition apparatus, comprising:

the identification component comprises an identification part, wherein the identification part is provided with an image collector which is used for collecting finger vein images of fingers of a user on the identification part so as to confirm identity information of the user; and

the light source component is used for emitting infrared light rays, and the infrared light rays can irradiate the identification part;

the identification part covers at least two fingers and collects the finger vein images of the fingers on the identification part through the image collector.

According to an embodiment of the present application, the identification portion has an identification surface for contacting a finger, and the identification surface is provided with an induction sensor.

According to an embodiment of the present application, the identification component includes a first circuit board, a data processor and a controller, the identification portion is disposed on the first circuit board, and the data processor and the image collector are both in communication connection with the controller.

According to an embodiment of the present application, the light source assembly includes a second circuit board and a light source element disposed on the second circuit board, and the first circuit board and the second circuit board are electrically connected through a wire.

In a second aspect, there is provided a handle comprising: a shell and the finger vein recognition device.

According to an embodiment of the present application, the housing has a containing cavity, the identification component is disposed in the containing cavity and the identification portion protrudes through the first opening, the light source component is disposed in the containing cavity and the light source component emits the infrared light that can irradiate on the identification portion.

According to an embodiment of this application, wherein the casing includes main part and lateral part that are linked together, the discernment subassembly is located on the main part, the light source subassembly set up in on the lateral part, the lateral part with be predetermined contained angle alpha between the main part, predetermined contained angle alpha satisfies: alpha is more than 0 degree and less than or equal to 90 degrees.

According to an embodiment of the present application, the light source assembly is disposed opposite to the identification portion.

According to an embodiment of the present application, the housing includes a handle case and a handle cover, the handle cover is detachably fastened to the handle case.

According to an embodiment of the present application, the housing is provided with a connector.

In a third aspect, there is provided an intelligent door lock, comprising: the handle is as described above.

According to the finger vein recognition device, the handle and the intelligent door lock disclosed by the embodiment of the application, the finger vein recognition device comprises a recognition component and a light source component, the recognition component comprises a recognition part, the recognition part is provided with an image collector, and the image collector is used for collecting finger vein images of fingers of a user on the recognition part so as to confirm identity information of the user; the light source assembly is used for emitting infrared light, and the infrared light can shine on the identification portion, wherein, identification portion covers two at least fingers and passes through the finger vein image of image collector collection each finger. The identification part can simultaneously acquire finger vein images of at least two fingers, and the acquired finger vein images are contrasted and identified through the identification component, so that the safety of identity identification is improved, and the possibility of false identification is greatly reduced.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic diagram illustrating an overall structure of a finger vein recognition apparatus according to an exemplary embodiment.

Fig. 2 is a schematic view of the overall structure of a handle according to an exemplary embodiment.

Fig. 3 is an exploded view of fig. 2.

Fig. 4 is a schematic diagram illustrating a structure for embodying a receiving cavity in a handle according to an exemplary embodiment.

Wherein the reference numerals are as follows:

1. identifying a component; 2. an identification unit; 3. a light source assembly; 4. a second circuit board; 5. a light source element; 6. a housing; 7. a handle cover; 8. a handle case; 9. a first opening; 10. a second opening; 11. a connecting member; 12. a receiving cavity.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that in the description and claims of the present application and the above drawings, relational terms such as "first" and "second", and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. It is to be understood that the data so used may be interchanged under appropriate circumstances such that, for example, embodiments of the application described herein may be implemented in sequences other than those illustrated or described herein.

Also, the terms "comprises," "comprising," and "having," as well as any variations thereof or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

For ease of description, spatially relative terms such as "over … …", "over … …", "over … …", "over", etc. may be used herein to describe the spatial positional relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Referring to fig. 1 to 3, the present disclosure provides a finger vein recognition apparatus, including a recognition assembly 1 and a light source assembly 3, where the recognition assembly 1 includes a recognition portion 2, the recognition portion 2 has an image collector, and the image collector is configured to collect a finger vein image of a finger of a user located on the recognition portion 2, so as to confirm identity information of the user; the light source component 3 is used for emitting infrared light, and the infrared light can shine on the identification part 2, wherein, the identification part 2 covers at least two fingers and gathers the finger vein image of each finger that is located on the identification part 2 through the image collector.

In the actual use process, the finger of the user contacts the identification part 2, the infrared light irradiates the identification part 2 through the light source component 3, the finger vein image of the finger positioned on the identification part 2 is irradiated by the infrared light, the finger vein image irradiated by the infrared light is acquired through the image acquisition device of the identification part 2, the identification part 2 can acquire the finger vein images of at least two fingers at the same time, and the information comparison is performed on at least one finger vein image at the same time, so that the safety of identity identification is improved, and the possibility of false identification is greatly reduced.

The finger vein recognition device provided by the embodiment is generally applied to security structures, and corresponding operation processes can be performed only after user identity recognition is passed. The identification component 1 comprises a data processor and a controller, the image collector collects finger vein images of a user and transmits the finger vein images to the image processor, the image processor receives the finger vein images and identifies the user identity according to the finger vein images, the identification result is transmitted to the controller, and whether next process operation is carried out or not is controlled through the controller. Optionally, the image collector includes a CCD camera, a vein recognizer, and the like.

Alternatively, the identification part 2 is provided in an elongated shape, so that the identification part 2 can cover two fingers at the same time due to the elongated structure. The recognition unit 2 may be provided in a triangular shape, a circular shape, or another polygonal shape.

Specifically, the identification component 1 comprises a first circuit board, a data processor and a controller, the identification part 2 is arranged on the first circuit board, and the data processor and the image collector are in communication connection with the controller. The user is through placing the finger on identification portion 2 when verifying the identity, and image acquisition ware gathers the finger vein image that is located identification portion 2 and goes up the finger to give data processor with finger vein image transmission, data processor is used for converting finger vein image into finger vein data, and gives the controller with finger vein data transfer, and the controller is used for comparing discernment finger vein data, and the controller is to two at least finger vein data contrast discernments simultaneously, with improvement identification's security.

Specifically, the controller may be a programmable controller or a single chip microcomputer, correct finger vein data are stored in the controller, and when the finger vein data of at least two fingers of the user are successfully matched with the pre-stored finger vein data corresponding to the fingers, the controller judges that the user identity is legal. Moreover, the controller compares and analyzes the finger vein data of the user and the pre-stored finger vein data one by one, at least two groups of data are successfully matched, and the controller can judge that the identity of the user is legal, so that the safety of identity identification is greatly improved, repeated operation of the user is not needed, the working efficiency is improved, and the use of the user is facilitated.

Specifically, the identification part 2 is arranged in a long strip shape, and the arrangement size of the identification part 2 is ensured to be large enough by the arrangement of the long strip shape, so that image acquisition can be performed on a plurality of fingers at the same time. Optionally, the recognition part 2 may acquire finger vein images of four fingers at the same time, that is, the size of the recognition part 2 is larger than the width of the four fingers, so that when a user puts the four fingers on the recognition part 2 at the same time, the recognition part 2 may collect the finger vein images of the four fingers. Optionally, the length of the recognition part 2 is greater than 10cm, so that the four fingers of different users can completely acquire the finger vein image.

Optionally, when the recognition part 2 is configured to obtain finger vein images of four fingers at the same time, the controller compares the four finger vein data transmitted by the data processor, and the controller may control to enter the next step after at least two groups of data are successfully compared. That is, when the controller detects that two or three of the four finger vein data are successfully compared with each other, the comparison is only performed. Through the arrangement, the accuracy of user identity information identification can be guaranteed, and meanwhile, the operation of a user is facilitated.

In some embodiments, the identification component 1 and the light source component 3 are integrally provided. Light source subassembly 3 sets up in identification components 1, and light source subassembly 3 sets up in identification parts 2's internal surface, and user's finger is placed on identification parts 2's surface, and the infrared light that light source subassembly 3 sent passes identification parts 2 from identification parts 2's internal surface in order to shine the finger that is located identification parts 2, obtains finger vein image through image collector afterwards.

Optionally, the identification assembly 1 and the light source assembly 3 are arranged in a split manner, so that the whole finger vein identification device can be conveniently arranged in a flexible manner, more operation modes are provided for the use of a user, and the use convenience is improved.

Optionally, the identification component 1 and the light source component 3 are electrically connected. Through getting up discernment subassembly 1 and light source subassembly 3 electric connection for same power supply part can be simultaneously to discernment subassembly 1 and light source subassembly 3 power supply, the connection of the circuit of being convenient for. Specifically, the light source assembly 3 includes a second circuit board 4 and a light source element 5 disposed on the second circuit board 4, the light source element 5 is configured to emit infrared light, and the first circuit board and the second circuit board 4 are electrically connected through a wire.

In some embodiments, the recognition portion 2 has a recognition surface for contacting with a finger, the recognition surface is provided with an induction sensor, the induction sensor is used for inducing whether the recognition portion 2 contacts with or approaches to the finger, the induction sensor is electrically connected with the controller, when the induction sensor induces that the recognition portion 2 contacts with or approaches to the finger, a signal can be transmitted to the controller, and the controller controls the recognition component 1 to start working; when the induction sensor does not feel that a finger is close to or contacts the identification part 2, the controller can control the identification component 1 to be in a dormant state, and the effect of saving electric energy is achieved.

Referring to fig. 1-4, the disclosed embodiment also provides a handle comprising a housing 6 and the aforementioned finger vein recognition apparatus.

Specifically, the housing 6 is provided with a connector 11, and the housing 6 is connected to other components through the connector 11. Illustratively, the connecting member 11 is disposed in a cylindrical shape at one end of the housing 6 in the length direction, and is disposed perpendicular to the housing 6. It should be noted that the handle provided in this embodiment may be applied to any component that needs to be opened and closed, such as a door, a drawer, a window, and the like.

In some embodiments, the housing 6 has a receiving cavity 12, the identification component 1 is disposed in the receiving cavity 12, the identification portion 2 protrudes from the housing 6 through the first opening 9, the light source component 3 is disposed in the receiving cavity 12, and the infrared light emitted by the light source component 3 can irradiate on the identification portion 2.

Specifically, the position of the housing 6 opposite to the light source element 5 is a light-transmitting portion, the light source element 3 is disposed in the accommodating cavity 12, and the infrared light emitted by the light source element 5 can pass through the housing 6 through the light-transmitting portion to irradiate the identification portion 2, so as to irradiate the finger vein image of the finger on the identification portion 2. Optionally, a second opening 10 is formed in the housing 6, the second circuit board 4 is located in the accommodating cavity 12, and the light source 5 protrudes from the housing 6 through the second opening 10, so that infrared light can be irradiated on the identification portion 2. Through setting up finger vein recognition device in the chamber 12 that holds of casing 6, can play the effect of protection to finger vein recognition device, avoid taking place the condition emergence that the fish tail perhaps collided with and splits in the life. And through setting up identification portion 2 outstanding casing 6, the user of being convenient for places the finger on identification portion 2, can shine on identification portion 2 through infrared light to ensure the reliability that finger vein recognition device used.

Specifically, the housing 6 includes a handle case 8 and a handle cover 7 forming the accommodating cavity 12, and the handle cover 7 is detachably fastened to the handle case 8. The handle shell 8 and the handle cover 7 are mutually matched to form the shell 6 in a surrounding way, and the accommodating cavity 12 can be formed in the shell, and a placing space is provided for the identification assembly 1 and the light source assembly 3 through the accommodating cavity 12. Through the setting of dismantling between handle lid 7 and the handle shell 8 to be convenient for install and dismantle the finger vein recognition device in the casing 6, when the finger vein recognition device in the casing 6 takes place to damage, be convenient for change it, reduce cost. In addition, through all setting up discernment subassembly 1 and light source subassembly 3 in holding chamber 12 for can directly accomplish the connection in holding chamber 12 through the linear connection of wire between light source subassembly 3 and the discernment subassembly 1, walk the line and need not pass other structures of handle, the linear connection between light source subassembly 3 and the discernment subassembly 1 of being convenient for, the user operation of being convenient for reduces the installation degree of difficulty.

Optionally, a positioning column is arranged in the handle shell 8, a positioning hole matched with the positioning column is formed in the identification assembly 1, and the positioning hole and the positioning column are embedded and matched to realize limiting installation between the identification assembly 1 and the handle shell 8. Illustratively, the positioning columns are provided with two, correspondingly, the positioning holes are also provided with two, so as to improve the installation reliability of the identification component 1.

Optionally, the identification assembly 1 and the housing are detachably connected. Specifically, the identification member 1 is screwed with the handle cover 7 by screws, or the identification member 1 is screwed with the handle case 8 by screws. Similarly, the connection manner of the appearance light source disposed in the housing 6 is the same as that of the identification component 1, and the description of this embodiment is omitted here.

In some embodiments, the light source assembly 3 is disposed directly opposite the identification portion 2. Through just setting up light source subassembly 3 to identification portion 2 so that the infrared light that light source subassembly 3 emitted can be just facing to shine on identification portion 2 to shine the finger vein image that is located the finger on identification portion 2, thereby the finger vein image reliability that the guarantee identification portion 2 obtained. When light source subassembly 3 is just to the setting of identification portion 2, and in order to ensure the convenience of line connection between light source subassembly 3 and the identification component 1, it is preferred, casing 6 becomes the setting of C style of calligraphy structure, and the space that the user hand of C style of calligraphy indent was placed when using is partial. However, this arrangement is inconvenient for the user to insert his finger into the identification portion 2 by inserting the finger through the housing from the side when verifying the identity.

Optionally, the housing 6 includes a main body portion and a side portion that are communicated with each other, the identification assembly 1 is located on the main body portion, the light source assembly 3 is disposed on the side portion, a predetermined included angle α is formed between the side portion and the main body portion, and the predetermined included angle α satisfies: alpha is more than 0 degree and less than or equal to 90 degrees. Through this kind of mode of setting up, both can ensure that the infrared light that light source subassembly 3 launches can shine identification portion 2 on in order to shine finger vein image, through the side illumination light at identification portion 2 in addition, do not influence identification portion 2 and to the acquireing of finger vein image, still convenience of customers' operation simultaneously. It should be noted that two included angles are formed between the plane where the second circuit board 4 is located and the plane where the identification portion 2 is located, and the size of the included angle limited in this embodiment is an acute angle of the two included angles. In addition, in the installation, the position at second circuit board 4 place needs adjust according to the size of contained angle and the position of identification portion 2 to realize that the infrared light that light source subassembly 3 sent can shine on identification portion 2, in order to ensure identification portion 2 to the reliability of finger vein image acquisition.

Referring to fig. 1-4, the disclosed embodiments also incorporate an intelligent door lock that includes the handle described above. The intelligent door lock comprises a lock body, and the handle is connected to the lock body through a connecting piece 11.

Specifically, intelligence lock still includes the tool to lock, the tool to lock include the spring bolt and the part that opens and shuts, the part that opens and shuts in finger vein recognition device electric connection after finger vein recognition device confirms user's identity the part control that opens and shuts the spring bolt activity is in order to open the lock can only. It should be noted that the lock in this embodiment is the same as the lock in the prior art, and the control structure of the opening and closing component for controlling the movement of the lock tongue is also the same as the lock in the prior art.

The previous description is only an example of the present application, and is provided to enable any person skilled in the art to understand or implement the present application. Various modifications and changes to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A finger vein recognition apparatus, comprising:

2. The finger vein recognition apparatus according to claim 1, wherein the recognition portion has a recognition surface for contacting with a finger, and the recognition surface is provided with an induction sensor.

3. The finger vein identification device according to claim 1, wherein the identification component comprises a first circuit board, a data processor and a controller, the identification portion is disposed on the first circuit board, and the data processor and the image collector are both in communication connection with the controller.

4. The finger vein identification device according to claim 3, wherein the light source assembly comprises a second circuit board and a light source element disposed on the second circuit board, and the first circuit board and the second circuit board are electrically connected by a wire.

5. A handle, comprising: a housing and a finger vein identification device according to any one of claims 1-4.

6. The handle of claim 5, wherein the housing has a receiving cavity, the identification component is disposed in the receiving cavity and the identification portion protrudes from the housing through the first opening, the light source assembly is disposed in the receiving cavity and the infrared light emitted by the light source assembly can illuminate the identification portion.

7. The handle of claim 5, wherein the housing includes a main body portion and a side portion in communication, the identification component is located on the main body portion, the light source assembly is disposed on the side portion, and a predetermined included angle α is formed between the side portion and the main body portion, and the predetermined included angle α satisfies: alpha is more than 0 degree and less than or equal to 90 degrees.

8. The handle of claim 5, wherein the light source assembly is disposed directly opposite the identification portion.

9. The handle of claim 6, wherein the housing includes a handle shell defining the receiving cavity and a handle cover removably snap-fitted to the handle shell.

10. The handle of claim 5, wherein the housing has a connector disposed thereon.

11. An intelligent door lock, comprising: a handle as claimed in any one of claims 5 to 10.