CN110119661A - Fingerprint recognition mould group and its assemble method and door lock - Google Patents
Fingerprint recognition mould group and its assemble method and door lock Download PDFInfo
- Publication number
- CN110119661A CN110119661A CN201810121645.9A CN201810121645A CN110119661A CN 110119661 A CN110119661 A CN 110119661A CN 201810121645 A CN201810121645 A CN 201810121645A CN 110119661 A CN110119661 A CN 110119661A
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- China
- Prior art keywords
- light
- fingerprint recognition
- face
- mould group
- bottom plate
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
-
- 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
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00563—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys using personal physical data of the operator, e.g. finger prints, retinal images, voicepatterns
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Image Input (AREA)
Abstract
Fingerprint recognition mould group of the invention includes shell, light-guide device, circuit board, fingerprint recognition chip, light source and connector.Shell includes bottom plate and the side wall of outer shell around bottom plate, and bottom plate and side wall of outer shell surround accommodating chamber jointly, and bottom plate offers the through-hole being connected to accommodating chamber.Light-guide device is housed in accommodating chamber, and light-guide device includes the step that guide-lighting side wall and certainly guide-lighting side wall are extended to form to light-guide device center, and guide-lighting side wall surrounds accommodating space.Circuit board, which is arranged, on step and to be housed in accommodating space, and circuit board includes opposite the first face and the second face, and the second face is compared to the first face closer to bottom plate.Fingerprint recognition chip is arranged on the first face and is housed in accommodating space.Light source is arranged on the second surface and is housed in accommodating space.Connector setting exposes on the second surface and from through-hole.User can determine fingerprint collecting region according to the circular region of light-guide device.The invention also discloses a kind of door lock and the assemble methods of fingerprint recognition mould group.
Description
Technical field
The present invention relates to technical field of biometric identification, in particular to a kind of fingerprint recognition mould group, door lock and fingerprint recognition mould
The assemble method of group.
Background technique
Existing fingerprint recognition mould group is widely used in door lock, and quick and easy unlocking mode is provided for user.But
Since existing fingerprint recognition modular structure is more complicated, it has not been convenient to fingerprint recognition mould group is assembled using automation equipment, thus
Cause the production efficiency of fingerprint recognition mould group lower.
Summary of the invention
Embodiments of the present invention provide the assemble method of a kind of fingerprint recognition mould group, door lock and fingerprint recognition mould group.
The fingerprint recognition mould group of embodiment of the present invention includes:
Shell, the shell include bottom plate and the side wall of outer shell around the bottom plate, the bottom plate and the side wall of outer shell
Accommodating chamber is surrounded jointly, and the bottom plate offers the through-hole being connected to the accommodating chamber；
Light-guide device, the light-guide device are housed in the accommodating chamber, and the light-guide device is including guide-lighting side wall and certainly
The step that the leaded light side wall is extended to form to the light-guide device center, the leaded light side wall surround accommodating space；
Circuit board, the circuit board are arranged on the step and are housed in the accommodating space, the circuit board packet
Include opposite the first face and the second face, second face is compared to first face closer to the bottom plate；
Fingerprint recognition chip, the fingerprint recognition chip are arranged on first face and are housed in the accommodating space
It is interior；
Light source, the light source are arranged on second face and are housed in the accommodating space；With
Connector, the connector are arranged on second face and expose from the through-hole.
The fingerprint recognition mould group of embodiment of the present invention is provided with the light-guide device for surrounding fingerprint recognition chip and is housed in
Light source in accommodating space, when light source emits beam, the light that light-guide device can issue light source is exported, thus user's energy
It is enough that fingerprint collecting region is determined according to the circular region of light-guide device, especially in the environment of dim light, it can be improved fingerprint
The efficiency of identification.Meanwhile light-guide device is provided with step, is arranged convenient for fingerprint recognition chip, light source and connector in circuit board
It is co-mounted on step again after upper；Shell is provided with bottom plate, convenient for light-guide device, circuit board, fingerprint recognition chip, light source and
Connector is co-mounted on shell, consequently facilitating the assembling of fingerprint recognition mould group, promotes the production efficiency of fingerprint recognition mould group.
In some embodiments, the side wall of outer shell includes the shell end face opposite with the bottom plate, the guide-lighting member
Part includes the guide-lighting end face far from the bottom plate, and the fingerprint recognition chip includes the front far from the circuit board, described outer
Shell end face, the guide-lighting end face and the front flush.Shell end face, guide-lighting end face and front flush make fingerprint recognition mould group
Appearance is more beautiful.
In some embodiments, the side wall of outer shell includes the shell end face opposite with the bottom plate, the shell end
Face is towards the accommodating chamber center inclined inclined-plane gradually downward.In this way, finger is pressed into fingerprint recognition mould group by user
When, it is slid on fingerprint recognition chip convenient for finger, consequently facilitating fingerprint recognition mould group more accurately collects the finger of finger
Line information promotes fingerprint recognition efficiency.
In some embodiments, the light-guide device includes the guide-lighting end face far from the bottom plate, the leaded light end face
For towards the accommodating space center inclined inclined-plane gradually downward, the leaded light end slope slope and the shell end face
It is identical to tilt slope.In this way, sliding into fingerprint recognition chip when finger is pressed into fingerprint recognition mould group by user convenient for finger
On, consequently facilitating fingerprint recognition mould group more accurately collects the finger print information of finger, promotes fingerprint recognition efficiency.
In some embodiments, the center in second face is arranged in the connector, and the quantity of the light source is more
A, multiple light sources are arranged around the connector.In this way, the light that multiple light sources issue can be projected relatively evenly and be led
On optical element, to keep light derived from light-guide device more uniform.
In some embodiments, the shell is made of metal material, and the shell includes from the bottom plate to described
The annular inner wall extended to form in accommodating chamber, around the through-hole, the connector protrudes into the annular annular inner wall
In wall.In this way, the light that annular inner wall can block light source sending projects outside shell from through-hole, to reduce fingerprint recognition mould group
Light leakage.
In some embodiments, the fingerprint recognition mould group further includes reflecting element, and the reflecting element is arranged in institute
It states on bottom plate and between the light source and the connector.In this way, reflecting element can block light source sending light from
Through-hole projects outside shell；Meanwhile in the identical situation of the luminous power of light source, the brightness of light derived from light-guide device is more
Greatly.
In some embodiments, the reflecting element is song around the connector, the reflective surface of the reflecting element
Face.In this way, the light that light source issues more uniform can be projected on reflecting element after reflective surface, to make guide-lighting member
Light derived from part is more uniform.
The door lock of embodiment of the present invention includes:
Shell；And
Fingerprint recognition mould group described in above-mentioned any one embodiment, the fingerprint recognition mould group are mounted on the shell
On.
Fingerprint recognition mould group in the door lock of embodiment of the present invention is provided with the light-guide device around fingerprint recognition chip
And it is housed in the light source in accommodating space, when light source emits beam, the light that light-guide device can issue light source is exported, from
And user can determine fingerprint collecting region according to the circular region of light-guide device, it, can especially in the environment of dim light
Improve the efficiency of fingerprint recognition.Meanwhile light-guide device is provided with step, convenient for fingerprint recognition chip, light source and connector setting
It is co-mounted on step again after on circuit boards；Shell is provided with bottom plate, is convenient for light-guide device, circuit board, fingerprint recognition core
Piece, light source and connector are co-mounted on shell, consequently facilitating the assembling of fingerprint recognition mould group, promotes fingerprint recognition mould group
Production efficiency.
In some embodiments, the door lock further includes control chip, and the control chip is arranged in the shell
And be electrically connected with the circuit board, the control chip is used for the light source luminescent according to user's input control, the leaded light
The light that element issues the light source exports.In this way, light source does not shine when user does not use fingerprint recognition mould group；When with
When family uses fingerprint recognition mould group, control chip just controls light source luminescent, to reduce the power consumption of fingerprint recognition mould group.
The assemble method of the fingerprint recognition mould group of embodiment of the present invention includes:
A circuit board is provided, the circuit board includes opposite the first face and the second face；
Fingerprint recognition chip is arranged on first face；
Light source and connector are arranged on second face；
A light-guide device is provided, the light-guide device is including guide-lighting side wall and from the guide-lighting side wall to the light-guide device
The step that center extends to form, the leaded light side wall surround accommodating space；
The circuit board is arranged on the step and makes the circuit board, the fingerprint recognition chip and the light source
It is housed in the accommodating space；
There is provided a shell, the shell includes bottom plate and the side wall of outer shell around the bottom plate, the bottom plate and described outer
Shell side wall surrounds accommodating chamber jointly, and the bottom plate offers the through-hole being connected to the accommodating chamber；And
The light-guide device is arranged in the accommodating chamber and exposes the connector from the through-hole, described second
Face is compared to first face closer to the bottom plate.
The assemble method of the fingerprint recognition mould group of embodiment of the present invention first sets fingerprint recognition chip, light source and connector
It is co-mounted on step again after setting on circuit boards, then by light-guide device, circuit board, fingerprint recognition chip, light source and company
It connects device to be co-mounted on shell, consequently facilitating the assembling of fingerprint recognition mould group, promotes the production efficiency of fingerprint recognition mould group.
The additional aspect and advantage of embodiments of the present invention will be set forth in part in the description, partially will be from following
Description in become obvious, or the practice of embodiment through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect and advantage of the invention is from combining in description of the following accompanying drawings to embodiment by change
It obtains obviously and is readily appreciated that, in which: illustrating in newly-increased attached drawing modification, specification
Fig. 1 is the three-dimensional assembling schematic diagram of the fingerprint recognition mould group of certain embodiments of the present invention.
Fig. 2 is the perspective exploded view of the fingerprint recognition mould group of certain embodiments of the present invention.
Fig. 3 is the cross-sectional view of the fingerprint recognition mould group of certain embodiments of the present invention.
Fig. 4 is the cross-sectional view of the fingerprint recognition mould group of another embodiment of the present invention.
Fig. 5 is the cross-sectional view of the fingerprint recognition mould group of a further embodiment of the present invention.
Fig. 6 is the cross-sectional view of the fingerprint recognition mould group of a further embodiment of this invention.
Fig. 7 is the cross-sectional view of the fingerprint recognition mould group of a further embodiment of this invention.
Fig. 8 is the cross-sectional view of the fingerprint recognition mould group of a further embodiment of this invention.
Fig. 9 is the structural schematic diagram of the door lock of certain embodiments of the present invention.
Figure 10 is the flow diagram of the assemble method of the fingerprint recognition mould group of certain embodiments of the present invention.
Figure 11 is the schematic illustration of the assemble method of the fingerprint recognition mould group of certain embodiments of the present invention.
Figure 12 is the flow diagram of the assemble method of the fingerprint recognition mould group of certain embodiments of the present invention.
Figure 13 is the flow diagram of the assemble method of the fingerprint recognition mould group of certain embodiments of the present invention.
Figure 14 is the flow diagram of the assemble method of the fingerprint recognition mould group of certain embodiments of the present invention.
Figure 15 is the flow diagram of the assemble method of the fingerprint recognition mould group of certain embodiments of the present invention.
Specific embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " are only used for
Purpose is described, relative importance is not understood to indicate or imply or implicitly indicates the quantity of indicated technical characteristic.
" first " is defined as a result, the feature of " second " can explicitly or implicitly include one or more feature.?
In description of the invention, the meaning of " plurality " is two or more, unless otherwise specifically defined.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected or can mutually communicate；It can be directly connected, it can also be by between intermediary
It connects connected, can be the connection inside two elements or the interaction relationship of two elements.For the ordinary skill of this field
For personnel, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
Following disclosure provides many different embodiments or example is used to realize different structure of the invention.In order to
Simplify disclosure of the invention, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
And it is not intended to limit the present invention.In addition, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, itself not indicate between discussed various embodiments and/or setting
Relationship.In addition, the present invention provides various specific techniques and material example, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
Please refer to Fig.1 to Fig.3, the fingerprint recognition mould group 100 of embodiment of the present invention include shell 10, light-guide device 20,
Circuit board 30, fingerprint recognition chip 40, light source 50 and connector 60.Shell 10 includes bottom plate 11 and the shell side around bottom plate 11
Wall 12, bottom plate 11 and side wall of outer shell 12 surround accommodating chamber 13 jointly, and bottom plate 11 offers the through-hole 111 being connected to accommodating chamber 13.
Light-guide device 20 is housed in accommodating chamber 13, and light-guide device 20 is including guide-lighting side wall 21 and from guide-lighting side wall 21 to light-guide device 20
The step 22 that center extends to form, guide-lighting side wall 21 surround accommodating space 23.Circuit board 30 is arranged on step 22 and is housed in
In accommodating space 23, circuit board 30 includes opposite the first face 31 and the second face 32, and the second face 32 is more leaned on compared to the first face 31
Nearly bottom plate 11.Fingerprint recognition chip 40 is arranged on the first face 31 and is housed in accommodating space 23.Light source 50 is arranged second
On face 32 and it is housed in accommodating space 23.Connector 60 is arranged on the second face 32 and exposes from through-hole 111.
When light source 50 shines, light-guide device 20 can export the light that light source 50 issues, so that user being capable of basis
The circular region of light-guide device 20 determines that the position of fingerprint recognition chip 40 (that is to say, the fingerprint collecting of fingerprint recognition chip 40
Region).
The fingerprint recognition mould group 100 of embodiment of the present invention be provided with around fingerprint recognition chip 40 light-guide device 20 and
The light source 50 being housed in accommodating space 23, when light source 50 emits beam, light-guide device 20 can be by the light of light source sending
Export, so that user can determine fingerprint collecting region according to the circular region of light-guide device 20, especially in the ring of dim light
Under border, the efficiency of fingerprint recognition can be improved.Meanwhile light-guide device 20 is provided with step 22, is convenient for fingerprint recognition chip 40, light
Source 50 and connector 60 are co-mounted on step 22 again after being arranged on circuit board 30；Shell 10 is provided with bottom plate 11, is convenient for
Light-guide device 20, circuit board 30, fingerprint recognition chip 40, light source 50 and connector 60 are co-mounted on shell 10, thus just
In the assembling of fingerprint recognition mould group 100, the production efficiency of fingerprint recognition mould group 100 is promoted.
Please refer to figs. 2 and 3, the fingerprint recognition mould group 100 of embodiment of the present invention include shell 10, light-guide device 20,
Circuit board 30, fingerprint recognition chip 40, light source 50 and connector 60.
Shell 10 includes bottom plate 11 and extends and surround the side wall of outer shell 12 of bottom plate 11, bottom plate 11 and shell side from bottom plate 11
Wall 12 surrounds accommodating chamber 13 jointly.Bottom plate 11 offers the through-hole 111 being connected to accommodating chamber 13, and specifically, through-hole 111 is provided with
The center of bottom plate 11.Side wall of outer shell 12 can be the column structure of end face in a ring, and side wall of outer shell 12 includes and bottom plate 11
Opposite shell end face 121.Shell 10 is made of lighttight material, for example, shell 10 is by lighttight plastics, metal material
Be made, it is preferred that the shell 10 of present embodiment can be made of metal material, for example, shell 10 can by stainless steel, copper,
The metal materials such as aluminium are made.In other embodiments, the outer surface of the close shell end face 121 of side wall of outer shell 12 is formed with peace
Tankage 122 is installed on the shell 80 of door lock 200 (as shown in Figure 9) so as to fingerprint recognition mould group 100.
Light-guide device 20 is housed in accommodating chamber 13, and specifically, an end face of light-guide device 20 is supported on bottom plate 11.
Light-guide device 20 includes the step 22 that guide-lighting side wall 21 and certainly guide-lighting side wall 21 are extended to form to 20 center of light-guide device, guide-lighting side
Wall 21 surrounds accommodating space 23.Guide-lighting side wall 21 is the column structure of end face in a ring, and the outer diameter of guide-lighting side wall 21 is less than or waits
In the internal diameter of side wall of outer shell 12, it is preferred that the outer diameter of guide-lighting side wall 21 and the internal diameter of side wall of outer shell 12 it is of substantially equal with reduce lead
Gap between optical element 20 and shell 10.Guide-lighting side wall 21 includes the guide-lighting end face 211 far from bottom plate 11.Step 22 can be in
Ring-type simultaneously surround accommodating space 23.Light-guide device 20 can be made of optical material, and optical material includes polystyrene
(Polystyrene, PS), polycarbonate (Polycarbonate, PC), polymethyl methacrylate (polymethyl
Methacrylate, PMMA) in any one.
Circuit board 30 is arranged on step 22 and is housed in accommodating space 23, and specifically, circuit board 30 is arranged in step
On 22 surface closer to guide-lighting end face 211.Circuit board 30 includes opposite the first face 31 and the second face 32,32 phase of the second face
Compared with the first face 31 closer to bottom plate 11, the second face 32 is contradicted with step 22.
Fingerprint recognition chip 40 is arranged on the first face 31 and is housed in accommodating space 23, fingerprint recognition chip 40 and electricity
Road plate 30 is electrically connected.The rounded laminated structure of fingerprint recognition chip 40, the diameter of fingerprint recognition chip 40 are less than or equal to
The internal diameter of guide-lighting outer wall 21, it is preferred that the internal diameter of the diameter of fingerprint recognition chip 40 and guide-lighting outer wall 21 is of substantially equal to reduce
Gap between fingerprint recognition chip 40 and light-guide device 20.Fingerprint recognition chip 40 includes the front 41 far from circuit board 30.
Shell end face 121, guide-lighting end face 211 and front 41 flush (as shown in Figure 4).Fingerprint recognition chip 40 is known including capacitance type fingerprint
Other chip, ultrasonic fingerprint identification chip, any one in optical fingerprint identification chip.Preferably, embodiment party of the present invention
Formula uses capacitance type fingerprint identification chip.Fingerprint recognition chip 40 is Background Grid array packages (Land Grid Array, LGA) knot
Structure.Referring to Fig. 3, in other embodiments, the guide-lighting end face 211 when on light-guide device 20 is arranged in fingerprint recognition chip 40
Front 41 can also be protruded from.
Light source 50 is arranged on the second face 32 and is housed in accommodating space 23, and light source 50 and circuit board 30 are electrically connected.
The quantity of light source 50 can be one, two, three or any number of.When the quantity of light source 50 is one, light source 50 can be with
To push up illuminated LED (Light Emitting Diode) or the illuminated LED in side；When light source 50 quantity be two, three or
When any number of, light source can be one or both of the illuminated LED and illuminated LED in side in top.
Connector 60 is arranged on the second face 32 and is electrically connected from the exposure of through-hole 111, connector 60 and circuit board 30.Even
Connect device 60 from the exposure of through-hole 111 include: connector 60 connection terminal (including mechanical connection end and electric connecting terminal) partially with it is logical
The alignment of hole 111 from through-hole 111 can partially expose；Alternatively, connector 60 is aligned completely with can be all from logical with through-hole 111
The exposure of hole 111；Alternatively, connector 60 exposes outside shell 10 when 60 part of connector is aligned with through-hole 111；Or even
When connecing device 60 and being aligned completely with through-hole 111, the part-structure or entire infrastructure of connector 60 can be exposed to shell from through-hole 111
Outside 10.Specifically, connector 60 is arranged on the center in the second face 32, and connector 60 is used for and fingerprint recognition mould group 100
External electronic component is electrically connected, for example, connector 60 can be with the elements such as power supply, control chip 90 (as shown in Figure 9)
It is electrically connected.
When light source 50 shines, light-guide device 20 can export the light that light source 50 issues, so that user being capable of basis
The circular region of light-guide device 20 determines that the position of fingerprint recognition chip 40 (that is to say, the fingerprint collecting of fingerprint recognition chip 40
Region).
The fingerprint recognition mould group 100 of embodiment of the present invention be provided with around fingerprint recognition chip 40 light-guide device 20 and
The light source 50 being housed in accommodating space 23, when light source 50 emits beam, light-guide device 20 can be by the light of light source sending
Export, so that user can determine fingerprint collecting region according to the circular region of light-guide device 20, especially in the ring of dim light
Under border, the efficiency of fingerprint recognition can be improved.Meanwhile light-guide device 20 is provided with step 22, is convenient for fingerprint recognition chip 40, light
Source 50 and connector 60 are co-mounted on step 22 again after being arranged on circuit board 30；Shell 10 is provided with bottom plate 11, is convenient for
Light-guide device 20, circuit board 30, fingerprint recognition chip 40, light source 50 and connector 60 are co-mounted on shell 10, thus just
In the assembling of fingerprint recognition mould group 100, the production efficiency of fingerprint recognition mould group 100 is promoted.
The fingerprint recognition mould group 100 of embodiment of the present invention also has the advantages that first, and shell 10 is by metal material
Material is made, on the one hand, shell 10 can block the light of the sending of light source 50 appear fingerprint recognition mould group 100 from side wall of outer shell 11 and
The normal work of other electronic components is influenced, on the other hand, shell 10 can be with shield fingerprints identification chip 40 to reduce fingerprint
Electromagnetic interference of the identification chip 40 by other electronic components.
Second, shell end face 121, guide-lighting end face 211 and front 41, which flush, keeps the appearance of fingerprint recognition mould group 100 more beautiful
It sees.
Referring to Fig. 5, in some embodiments, the shell end face 121 of above embodiment can be towards accommodating chamber
13 centers inclined inclined-plane gradually downward.At this point, guide-lighting end face 211 is flushed with front 41, and guide-lighting end face 211 and shell end
The inside in face 121 flushes.In this way, sliding into fingerprint when finger is pressed into fingerprint recognition mould group 100 by user convenient for finger and knowing
On other chip 40, consequently facilitating fingerprint recognition mould group 100 more accurately collects the finger print information of finger, promotes fingerprint recognition
Efficiency.
Referring to Fig. 6, in some embodiments, guide-lighting end face 211 is to incline gradually downward towards 23 center of accommodating space
Oblique inclined-plane, it is identical as the inclination slope of shell end face 121 that guide-lighting end face 211 tilts slope.Specifically, guide-lighting end face 211 with
Shell end face 121 connects, that is to say, that the outside of guide-lighting end face 211 is flushed with the inside of shell end face 121.At this point, front 41
Outside flushed with the inside of guide-lighting end face 211.In this way, being convenient for hand when finger is pressed into fingerprint recognition mould group 100 by user
Finger slides on fingerprint recognition chip 40, consequently facilitating fingerprint recognition mould group 100 more accurately collects the fingerprint letter of finger
Breath promotes fingerprint recognition efficiency.
Please refer to figs. 2 and 3, and in some embodiments, the center in the second face 32 is arranged in connector 60, light source 50
Quantity is multiple, the circular setting of connector 60 of multiple light sources 50.Preferably, multiple light sources 50 are in isogonism around the center in the second face 32
Degree distribution, for example, the opposite sides of connector 60, and light is arranged in two light sources 50 when the quantity of light source 50 is two
The center in source 50, connector 60 center on the same line；When the quantity of light source 50 is three, the center of three light sources 50
Angle between the line of centres of connector 60 is in 120 degree.In this way, the light that multiple light sources 50 issue can relatively evenly be thrown
It is mapped on light-guide device 20, to keep light derived from light-guide device 20 more uniform.
Please refer to figs. 2 and 3, and in some embodiments, shell 10 is made of metal material, and shell 10 includes from bottom plate
11 annular inner walls 14 extended to form into accommodating chamber 13, annular inner wall 14 protrude into annular inner wall around through-hole 111, connector 60
In 14.Specifically, annular inner wall 14 is around connector 60 and between connector 60 and light source 50.Shell 10 can be by stainless
The materials such as steel, aluminium, copper are made, it is preferred that shell 10 is made of stainless steel, at this point, annular inner wall 14 can issue light source 50
Light reflex on light-guide device 20, so that the brightness of light derived from light-guide device 20 is higher.In this way, 14 energy of annular inner wall
The light for enough blocking the sending of light source 50 projects outside shell 10 from through-hole 111, to reduce the light leakage of fingerprint recognition mould group 100.At it
In his embodiment, inner wall 14 or the plate structure being arranged between light source 50 and connector 60 are (such as Fig. 2 and Fig. 3 institute
Show).In other embodiments, reflective membrane is provided on the side closer to light source of inner wall 14.
Referring to Fig. 7, in some embodiments, fingerprint recognition mould group 100 further includes reflecting element 70, reflecting element 70
It is arranged on bottom plate 11 and between light source 50 and connector 60.Specifically, the setting of reflective surface 71 of reflecting element 70 is being leaned on
On the side of close to sources 50, reflecting element 70 can be reflecting mirror or reflective membrane, and reflecting element 70 can be laminated structure or ring
Around the cyclic structure of connector 60.The light that light source 50 issues can be reflected on light-guide device 20 by reflecting element 70, in this way,
The light that reflecting element 70 can block the sending of light source 50 projects outside shell 10 from through-hole 111；Meanwhile in the luminous function of light source 50
In the identical situation of rate, the brightness of light derived from light-guide device 20 is bigger.
Fig. 7 and Fig. 8 is please referred to, in some embodiments, fingerprint recognition mould group 100 further includes reflecting element 70, reflective
Element 70 is arranged on bottom plate 11 and between light source 50 and connector 60, and reflecting element 70 is around connector 60, reflective member
The reflective surface 71 of part 70 is curved surface.Specifically, reflective surface 71 can be cylindrical surface, concave surface.In this way, the light that light source 50 issues
Line more uniform can project on reflecting element 70 after being reflected by reflecting surface 71, to make light derived from light-guide device 20 more
Add uniformly.
Referring to Fig. 9, the door lock 200 of embodiment of the present invention includes described in shell 80 and above-mentioned any one embodiment
Fingerprint recognition mould group 100, fingerprint recognition mould group 100 be arranged on shell 80.
Fingerprint recognition mould group 100 in the door lock 200 of embodiment of the present invention is provided with around fingerprint recognition chip 40
Light-guide device 20 and the light source 50 being housed in accommodating space 23, when light source 50 emits beam, light-guide device 20 can be by light
The light export that source issues, so that user can determine fingerprint collecting region according to the circular region of light-guide device 20, especially exists
In the environment of dim light, the efficiency of fingerprint recognition can be improved.Meanwhile light-guide device 20 is provided with step 22, is convenient for fingerprint
Identification chip 40, light source 50 and connector 60 are co-mounted on step 22 again after being arranged on circuit board 30；Shell 10 is arranged
There is bottom plate 11, is co-mounted to convenient for light-guide device 20, circuit board 30, fingerprint recognition chip 40, light source 50 and connector 60 outer
On shell 10, consequently facilitating the assembling of fingerprint recognition mould group 100, promotes the production efficiency of fingerprint recognition mould group 100.
Referring to Fig. 9, in some embodiments, shell 80 includes mounting portion 81 and the door knob being arranged on mounting portion 81
Hand 82, fingerprint recognition mould group 100 are arranged on door handle 82.In this way, can more efficiently find fingerprint recognition convenient for user
The position of mould group 100, so that user can quickly carry out fingerprint recognition.
Referring to Fig. 9, in some embodiments, door lock 200 further includes control chip 90, control chip 90 is arranged in shell
It is electrically connected in body 80 and with circuit board 30, control chip 90 is used to be shone according to user's input control light source 50, light-guide device
20 light for issuing light source 50 export.Specifically, door lock 200 further includes the detection mould group being electrically connected with control chip 90
(not shown), detection mould group are able to detect whether user needs to open door lock 200.Detection mould group has been capable of detecting whether that user exists
200 front of door lock (for example, when the distance between user and door lock 200 are less than or equal to 1 meter), detection mould group determine user's needs
Door lock 200 is opened, when detection mould group detects user at 200 front of door lock, detection mould group sends user to control chip 90
Input, control chip 90 according to user's input control light source 50 shine, at this point, detection mould group may include camera model or away from
From detection module.Alternatively, detection mould group has been capable of detecting whether that user contacts door handle 82, detection mould group determines that user needs to beat
Door lock 200, when user contacts door handle 82, detection mould group sends user's input to control chip 90, controls chip 90
According to user's input control light source 50 shine, at this point, detection mould group 90 may include temperature detecting module, pressure detecting module or
Torque detection module.Chip 90 is controlled to be electrically connected by connector 60 and circuit board 30, before there is no user's input, light source
50 do not light and (do not shine)；When control chip 90 receives user's input, control chip 90 can be inputted according to the user and be controlled
Light source 50 processed shines (lighting), and when the light that light-guide device 20 issues light source 50 exports, user can determine fingerprint recognition core
The position of piece 40.In this way, light source 50 does not shine when user does not use fingerprint recognition mould group 100；When user uses fingerprint recognition
When mould group 100, control chip 90 just controls light source 50 and shines, to reduce the power consumption of fingerprint recognition mould group 100.
Referring to Fig. 9, in some embodiments, when fingerprint recognition mould group 100 completes finger print information acquisition, controlling core
Piece 90 controls light source 50 and disconnects (light source 50 is not lighted) or continuously flash to be used to indicate fingerprint recognition mould group 100 and complete to fingerprint
Acquisition.
In some embodiments, door lock 200 further includes the memory 91 being electrically connected with fingerprint recognition mould group 100, is deposited
Reservoir 91 can store preset fingerprint information, when the finger print information that fingerprint recognition mould group 100 acquires is consistent with preset fingerprint information
When, control chip 90 controls light source 50 and continuously flashes to indicate that door lock 200 unlocks successfully.Light source 50, which continuously flashes, refers to light
The continuous transformation between lighting and not lighting of source 50.
Referring to Fig. 9, in some embodiments, door lock 200 further includes depositing with what fingerprint recognition mould group 100 was electrically connected
Reservoir 91, memory 91 can store preset fingerprint information, when the finger print information and preset fingerprint of the acquisition of fingerprint recognition mould group 100
When information is inconsistent, control chip 90 controls light source 50 and continuously flashes to indicate the unlock failure of door lock 200.Light source 50 continuously flashes
Refer to the continuous transformation between lighting and not lighting of light source 50.
Referring to Fig. 9, in some embodiments, door lock 200 further includes the nothing being electrically connected with fingerprint recognition mould group 100
Line communications module 92, radio communication mold group 92 can be electrically connected with communication terminal (not shown), and communication terminal includes that hand is mechanical, electrical
Brain, smartwatch, router.Communication terminal preserves preset fingerprint information, when fingerprint recognition mould group 100 collects finger print information
When, finger print information can be transferred to communication terminal by radio communication mold group 92, and communication terminal can be by finger print information and default finger
Mould group 92 is transferred to fingerprint recognition mould group 100 to line comparison result by wireless communication.
Fig. 2, Figure 10 and Figure 11 are please referred to, the assemble method of the fingerprint recognition mould group 100 of embodiment of the present invention includes:
S1, provides a circuit board 30, and circuit board 30 includes opposite the first face 31 and the second face 32；
Fingerprint recognition chip 40 is arranged on the first face 31 S2；
Light source 50 and connector 60 are arranged on the second face 32 S3；
S4 provides a light-guide device 20, and light-guide device 20 is including guide-lighting side wall 21 and from guide-lighting side wall 21 to light-guide device
The step 22 that 20 centers extend to form, guide-lighting side wall 21 surround accommodating space 23；
Circuit board 30 is arranged on step 22 and is housed in circuit board 30, fingerprint recognition chip 40 and light source 50 by S5
In accommodating space 23；
S6, provides a shell 10, and shell 10 includes bottom plate 11 and the side wall of outer shell 12 around bottom plate 11, bottom plate 11 and shell
Side wall 12 surrounds accommodating chamber 13 jointly, and bottom plate 11 offers the through-hole 111 being connected to accommodating chamber 13；
Light-guide device 20 is arranged in accommodating chamber 13 and makes connector 60 from the exposure of through-hole 111 by S7, and the second face 32 is compared
In the first face 31 closer to bottom plate 11.
The step S2 of present embodiment can be executed in step S3.In other embodiments, step S2 can also be in step
It is executed after rapid S3.
The assemble method of the fingerprint recognition mould group 100 of embodiment of the present invention first by fingerprint recognition chip 40, light source 50 and
Connector 60 is co-mounted on step 22 again after being arranged on circuit board 30, then by light-guide device 20, circuit board 30, fingerprint
Identification chip 40, light source 50 and connector 60 are co-mounted on shell 10, consequently facilitating the assembling of fingerprint recognition mould group 100,
Promote the production efficiency of fingerprint recognition mould group 100.
Fig. 2, Figure 11 and Figure 12 are please referred to, it is in some embodiments, described that fingerprint recognition chip 40 is arranged first
Step (step S2) on face 31 includes:
S21, using surface mounting technology (Surface Mount Technology, SMT) by fingerprint recognition chip 40 with
The fitting of first face 31.
Specifically, fingerprint recognition chip 40 and circuit board 30 are arranged in SMT board (not shown) and are pasted using surface
Dress technology fits together fingerprint recognition chip 40 and circuit board 30.In this way, due to using surface mounting technology mount electronic
The efficiency of element is higher, thus the assemble method of present embodiment can be by fingerprint recognition chip 40 and circuit board 30 rapidly group
It is fitted together.
Please refer to Fig. 2, Figure 11 and Figure 13, in some embodiments, it is described by light source 50 and the setting of connector 60 the
Step (step S3) on two faces 32 includes:
Light source 50 and connector 60 are fitted on the second face 32 by S31 using surface mounting technology.
Specifically, light source 50, connector 60 and circuit board 30 are arranged on SMT board and utilize surface mounting technology will
Light source 50 and connector 60 are mounted onto circuit board 30.In this way, due to the efficiency using surface mounting technology mounted with electronic components
It is higher, thus the assemble method of present embodiment can rapidly fit together light source 50, connector 60 and circuit board 30.
Fig. 2, Figure 11 and Figure 14 are please referred to, it is in some embodiments, described that circuit board 30 is arranged on step 22
Step (step S5) includes:
Circuit board 30 dispensing and is fitted on step 22 by S51 on step 22.
Specifically, light-guide device 20 and circuit board 30 are arranged in dispensing board (not shown), dispenser Station To Station rank
22 carry out contraposition dispensing and circuit board 30 are fitted on step 22, and the contraposition of step 22 can pass through charge-coupled device
(Charge-coupled Device, CCD) is realized.The close guide-lighting end face 211 of step 22 is arranged in the glue that dispensing board is put
End face on, circuit board 30 be arranged in step 22 on the end face of guide-lighting end face 211.Present embodiment passes through in step 22
Circuit board 30 is simultaneously fitted on step 22 by upper dispensing, and rapidly circuit board 30 can be arranged on step 22.
Fig. 2, Figure 11 and Figure 15 are please referred to, it is in some embodiments, described, light-guide device 20 is arranged in accommodating chamber 13
Interior step (step S7) includes:
Light-guide device 20 dispensing and is fitted on shell 10 by S71 on shell 10.
Specifically, shell 10 and light-guide device 20 are arranged on dispensing board, the external shell 10 of dispensing board is aligned
Light-guide device 20 is simultaneously fitted on shell 10 by dispensing, and the contraposition of shell 10 can be realized by CCD.The glue that dispensing board is put
It is arranged on the side of close shell end face 121 of bottom plate 11, the close shell end face 121 of bottom plate 11 is arranged in light-guide device 20
Side on.Present embodiment is fitted on shell 10 by the dispensing on shell 10 and by light-guide device 20, can be rapidly
Light-guide device 20 is arranged on shell 10.
In the description of this specification, reference term " certain embodiments ", " embodiment ", " some embodiment party
The description of formula ", " exemplary embodiment ", " example ", " specific example " or " some examples " etc. means in conjunction with the embodiment party
Formula or example particular features, structures, materials, or characteristics described are contained at least one embodiment or example of the invention
In.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover,
Particular features, structures, materials, or characteristics described can be in any one or more embodiments or example with suitable
Mode combine.
Although embodiments of the present invention have been shown and described above, it is to be understood that above embodiment is
Illustratively, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be right
Above embodiment is changed, modifies, replacement and variant, and the scope of the present invention is defined by the claims and their equivalents.
Claims (11)
1. a kind of fingerprint recognition mould group characterized by comprising
Shell, the shell include bottom plate and the side wall of outer shell around the bottom plate, and the bottom plate and the side wall of outer shell are common
Accommodating chamber is surrounded, the bottom plate offers the through-hole being connected to the accommodating chamber；
Light-guide device, the light-guide device are housed in the accommodating chamber, and the light-guide device is including guide-lighting side wall and described in
The step that guide-lighting side wall is extended to form to the light-guide device center, the leaded light side wall surround accommodating space；
Circuit board, the circuit board are arranged on the step and are housed in the accommodating space, and the circuit board includes phase
The first face and the second face of back, second face is compared to first face closer to the bottom plate；
Fingerprint recognition chip, the fingerprint recognition chip are arranged on first face and are housed in the accommodating space；
Light source, the light source are arranged on second face and are housed in the accommodating space；With
Connector, the connector are arranged on second face and expose from the through-hole.
2. fingerprint recognition mould group according to claim 1, which is characterized in that the side wall of outer shell includes and the bottom plate phase
The shell end face of back, the light-guide device include the guide-lighting end face far from the bottom plate, and the fingerprint recognition chip includes separate
The front of the circuit board, the shell end face, the guide-lighting end face and the front flush.
3. fingerprint recognition mould group according to claim 1, which is characterized in that the side wall of outer shell includes and the bottom plate phase
The shell end face of back, the shell end face are towards the accommodating chamber center inclined inclined-plane gradually downward.
4. fingerprint recognition mould group according to claim 3, which is characterized in that the light-guide device includes far from the bottom plate
Guide-lighting end face, the leaded light end face is towards the accommodating space center inclined inclined-plane gradually downward, the leaded light end face
It is identical as the inclination slope of the shell end face to tilt slope.
5. fingerprint recognition mould group according to claim 1, which is characterized in that second face is arranged in the connector
Center, the quantity of the light source are multiple, the circular connector setting of multiple light sources.
6. fingerprint recognition mould group according to claim 1, which is characterized in that the shell is made of metal material, described
Shell includes the annular inner wall extended to form from the bottom plate into the accommodating chamber, and the annular inner wall surround the through-hole,
The connector protrudes into the annular inner wall.
7. fingerprint recognition mould group according to claim 1, which is characterized in that the fingerprint recognition mould group further includes reflective member
Part, the reflecting element are arranged on the bottom plate and between the light source and the connector.
8. fingerprint recognition mould group according to claim 7, which is characterized in that the reflecting element surround the connector,
The reflective surface of the reflecting element is curved surface.
9. a kind of door lock characterized by comprising
Shell；And
Fingerprint recognition mould group described in claim 1-8 any one, the fingerprint recognition mould group installation is on the housing.
10. door lock according to claim 9, which is characterized in that the door lock further includes control chip, the control chip
It is arranged in the shell and is electrically connected with the circuit board, the control chip is used for the light according to user's input control
Source shines, and the light that the light-guide device issues the light source exports.
11. a kind of assemble method of fingerprint recognition mould group characterized by comprising
A circuit board is provided, the circuit board includes opposite the first face and the second face；
Fingerprint recognition chip is arranged on first face；
Light source and connector are arranged on second face；
A light-guide device is provided, the light-guide device is including guide-lighting side wall and from the guide-lighting side wall to the light-guide device center
The step extended to form, the leaded light side wall surround accommodating space；
The circuit board is arranged on the step and is made the circuit board, the fingerprint recognition chip and light source receiving
In the accommodating space；
A shell is provided, the shell includes bottom plate and the side wall of outer shell around the bottom plate, the bottom plate and the shell side
Wall surrounds accommodating chamber jointly, and the bottom plate offers the through-hole being connected to the accommodating chamber；And
The light-guide device is arranged in the accommodating chamber and makes the connector from through-hole exposure, second face phase
Compared with first face closer to the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810121645.9A CN110119661A (en) | 2018-02-07 | 2018-02-07 | Fingerprint recognition mould group and its assemble method and door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810121645.9A CN110119661A (en) | 2018-02-07 | 2018-02-07 | Fingerprint recognition mould group and its assemble method and door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110119661A true CN110119661A (en) | 2019-08-13 |
Family
ID=67520063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810121645.9A Withdrawn CN110119661A (en) | 2018-02-07 | 2018-02-07 | Fingerprint recognition mould group and its assemble method and door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110119661A (en) |
-
2018
- 2018-02-07 CN CN201810121645.9A patent/CN110119661A/en not_active Withdrawn
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Legal Events
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 330096 No.699 Tianxiang North Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Applicant after: Jiangxi OMS Microelectronics Co.,Ltd. Address before: 330013 No.698 Tianxiang Avenue, high tech Zone, Nanchang City, Jiangxi Province Applicant before: OFilm Microelectronics Technology Co.,Ltd. Address after: 330013 No.698 Tianxiang Avenue, high tech Zone, Nanchang City, Jiangxi Province Applicant after: OFilm Microelectronics Technology Co.,Ltd. Address before: 330013 No.698 Tianxiang Avenue, high tech Zone, Nanchang City, Jiangxi Province Applicant before: NANCHANG OFILM BIO-IDENTIFICATION TECHNOLOGY Co.,Ltd. |
|
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190813 |