CN207924693U - Fingerprint recognition module and door lock - Google Patents
Fingerprint recognition module and door lock Download PDFInfo
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- CN207924693U CN207924693U CN201820218538.3U CN201820218538U CN207924693U CN 207924693 U CN207924693 U CN 207924693U CN 201820218538 U CN201820218538 U CN 201820218538U CN 207924693 U CN207924693 U CN 207924693U
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- fingerprint recognition
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- bottom plate
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Abstract
The fingerprint recognition module of the utility model 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 surrounds host cavity jointly with side wall of outer shell, and bottom plate offers the through-hole being connected to host cavity.Light-guide device is housed in host cavity, 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 receiving space.Circuit board, which is arranged, on step and to be housed in receiving 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 receiving space.Light source is arranged on the second surface and is housed in receiving 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 locks.
Description
Technical field
The utility model is related to technical field of biometric identification, more particularly to a kind of fingerprint recognition module and door lock.
Background technology
Existing fingerprint recognition module is widely used in door lock, provides quick and easy unlocking mode to the user.But
Since existing fingerprint recognition modular structure is more complicated, it has not been convenient to fingerprint recognition module is assembled using automation equipment, to
Cause the production efficiency of fingerprint recognition module relatively low.
Utility model content
The embodiment of the utility model provides a kind of fingerprint recognition module and door lock.
The fingerprint recognition module of the utility model embodiment includes shell, light-guide device, circuit board, fingerprint recognition core
Piece, light source and connector.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 host cavity jointly, and the bottom plate offers the through-hole being connected to the host cavity；The light-guide device is housed in described
In host cavity, the light-guide device includes guide-lighting side wall and is extended to form from the guide-lighting side wall to the light-guide device center
Step, the leaded light side wall surround receiving space；The circuit board is arranged on the step and is housed in the receiving space
Interior, the circuit board includes opposite the first face and the second face, and second face is compared to first face closer to the bottom
Plate；The fingerprint recognition chip is arranged on first face and is housed in the receiving space；The light source is arranged in institute
It states on the second face and is housed in the receiving space；The connector setting is on second face and sudden and violent from the through-hole
Dew.
The fingerprint recognition module of the utility model embodiment is provided with light-guide device and receipts around fingerprint recognition chip
Hold the light source in receiving space, when light source emits beam, light-guide device can export the light that light source is sent out, to use
Family can determine that fingerprint collecting region can improve especially in the environment of dim light according to the circular region of light-guide device
The efficiency of fingerprint recognition.Meanwhile light-guide device is provided with step, is arranged in electricity convenient for fingerprint recognition chip, light source and connector
It is co-mounted on step again after on the plate of road；Shell is provided with bottom plate, convenient for light-guide device, circuit board, fingerprint recognition chip, light
Source and connector are co-mounted on shell, consequently facilitating the assembling of fingerprint recognition module, promotes the production of fingerprint recognition module
Efficiency.
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 module
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 host cavity center inclined inclined-plane gradually downward.In this way, finger is pressed on fingerprint recognition module by user
When, it is slid on fingerprint recognition chip convenient for finger, consequently facilitating fingerprint recognition module 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 receiving 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, when finger is pressed on fingerprint recognition module by user, fingerprint recognition chip is slid into convenient for finger
On, consequently facilitating fingerprint recognition module more accurately collects the finger print information of finger, promotes fingerprint recognition efficiency.
In some embodiments, the connector is arranged at the center in second face, 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 are sent out 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 host cavity, around the through-hole, the connector stretches into the annular annular inner wall
In wall.It is projected outside shell from through-hole in this way, annular inner wall can block the light that light source is sent out, to reduce fingerprint recognition module
Light leakage.
In some embodiments, the fingerprint recognition module 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 that light source is sent out from
Through-hole projects outside shell；Meanwhile it is identical in the luminous power of light source, the brightness of light derived from light-guide device is more
Greatly.
In some embodiments, for the reflecting element around the connector, the reflective surface of the reflecting element is song
Face.In this way, the light that light source is sent out 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 the utility model embodiment includes the fingerprint recognition described in shell and above-mentioned any one embodiment
Module, the fingerprint recognition module installation is on the housing.
Fingerprint recognition module in the door lock of the utility model embodiment is provided with the leaded light around fingerprint recognition chip
Element and the light source being housed in receiving space, when light source emits beam, the light that light-guide device can send out light source is led
Go out, to which user can determine fingerprint collecting region according to the circular region of light-guide device, especially in the environment of dim light,
The efficiency of fingerprint recognition can be improved.Meanwhile light-guide device is provided with step, is convenient for fingerprint recognition chip, light source and connector
It is co-mounted on step again after setting on circuit boards；Shell is provided with bottom plate, knows convenient for light-guide device, circuit board, fingerprint
Other chip, light source and connector are co-mounted on shell, consequently facilitating the assembling of fingerprint recognition module, promotes fingerprint recognition mould
The production efficiency of group.
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 according to light source luminescent described in user's input control, the leaded light
The light that element sends out the light source exports.In this way, when user does not use fingerprint recognition module, light source does not shine；When with
When family uses fingerprint recognition module, control chip just controls light source luminescent, to reduce the power consumption of fingerprint recognition module.
The additional aspect and advantage of the embodiment of the utility model will be set forth in part in the description, partly will be from
Become apparent in following description, or is recognized by the practice of the embodiment of the utility model.
Description of the drawings
In description of the above-mentioned and/or additional aspect and advantage of the utility model from combination following accompanying drawings to embodiment
It will be apparent and be readily appreciated that, wherein：
Fig. 1 is the three-dimensional assembling schematic diagram of the fingerprint recognition module of the utility model certain embodiments.
Fig. 2 is the perspective exploded view of the fingerprint recognition module of the utility model certain embodiments.
Fig. 3 is the sectional view of the fingerprint recognition module of the utility model certain embodiments.
Fig. 4 is the sectional view of the fingerprint recognition module of another embodiment of the utility model.
Fig. 5 is the sectional view of the fingerprint recognition module of the utility model a further embodiment.
Fig. 6 is the sectional view of the fingerprint recognition module of the another embodiment of the utility model.
Fig. 7 is the sectional view of the fingerprint recognition module of the another embodiment of the utility model.
Fig. 8 is the sectional view of the fingerprint recognition module of the another embodiment of the utility model.
Fig. 9 is the structural schematic diagram of the door lock of the utility model certain embodiments.
Figure 10 is the flow diagram of the assemble method of the fingerprint recognition module of the utility model certain embodiments.
Figure 11 is the principle schematic of the assemble method of the fingerprint recognition module of the utility model certain embodiments.
Figure 12 is the flow diagram of the assemble method of the fingerprint recognition module of the utility model certain embodiments.
Figure 13 is the flow diagram of the assemble method of the fingerprint recognition module of the utility model certain embodiments.
Figure 14 is the flow diagram of the assemble method of the fingerprint recognition module of the utility model certain embodiments.
Figure 15 is the flow diagram of the assemble method of the fingerprint recognition module of the utility model certain embodiments.
Specific implementation mode
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein
Same or similar label indicates same or similar element or element with the same or similar functions from beginning to end.Lead to below
It crosses the embodiment being described with reference to the drawings to be exemplary, is only used for explaining the utility model, and should not be understood as to this practicality
Novel limitation.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for
Described convenient for description the utility model and simplifying, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " first ",
" second " is used for description purposes only, and is not understood to indicate or imply relative importance or implicitly indicates indicated technology
The quantity of feature.Define " first " as a result, the feature of " second " can explicitly or implicitly include it is one or more
The feature.The meaning of " plurality " is two or more in the description of the present invention, unless otherwise clearly specific
It limits.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be to be electrically connected or can mutually communicate；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the interaction relationship of the connection or two elements inside two elements.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features are in direct contact, and can also not be to be in direct contact but lead to including the first and second features
Cross the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or only
Indicate that fisrt feature level height is less than second feature.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the utility model.
In order to simplify the disclosure of the utility model, hereinafter the component of specific examples and setting are described.Certainly, they are only
Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals
And/or reference letter, this repetition are for purposes of simplicity and clarity, itself not indicate discussed various embodiments
And/or the relationship between setting.In addition, the example for the various specific techniques and material that the utility model provides, but this
Field those of ordinary skill can be appreciated that the application of other techniques and/or the use of other materials.
It please refers to Fig.1 to Fig.3, the fingerprint recognition module 100 of the utility model embodiment includes shell 10, light-guide device
20, circuit board 30, fingerprint recognition chip 40, light source 50 and connector 60.Shell 10 is including bottom plate 11 and around the outer of bottom plate 11
Shell side wall 12, bottom plate 11 surround host cavity 13 jointly with side wall of outer shell 12, and bottom plate 11 offers the through-hole being connected to host cavity 13
111.Light-guide device 20 is housed in host cavity 13, and light-guide device 20 is first including guide-lighting side wall 21 and from guide-lighting side wall 21 to leaded light
The step 22 that 20 center of part extends to form, guide-lighting side wall 21 surround receiving space 23.Circuit board 30 is arranged on step 22 and receives
Hold in receiving space 23, circuit board 30 includes the first face 31 and the second face 32 opposite to each other, and the second face 32 is compared to the first face 31
Closer to bottom plate 11.Fingerprint recognition chip 40 is arranged on the first face 31 and is housed in receiving space 23.The setting of light source 50 exists
On second face 32 and it is housed in receiving space 23.Connector 60 is arranged on the second face 32 and is exposed from through-hole 111.
When light source 50 shines, light-guide device 20 can export the light that light source 50 is sent out, to which 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 module 100 of the utility model embodiment is provided with the light-guide device around fingerprint recognition chip 40
20 and the light source 50 that is housed in receiving space 23, when light source 50 emits beam, what light-guide device 20 can send out light source
Light exports, to which user can determine fingerprint collecting region according to the circular region of light-guide device 20, especially in dim light
In the environment of, 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 to after being arranged on circuit board 30 on step 22 again；Shell 10 is provided with bottom plate
11, it is co-mounted to shell 10 convenient for light-guide device 20, circuit board 30, fingerprint recognition chip 40, light source 50 and connector 60
On, consequently facilitating the assembling of fingerprint recognition module 100, promotes the production efficiency of fingerprint recognition module 100.
Fig. 2 and Fig. 3 is please referred to, the fingerprint recognition module 100 of the utility model embodiment includes 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 host cavity 13 jointly.Bottom plate 11 offers the through-hole 111 being connected to host cavity 13, and specifically, through-hole 111 is opened in
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
Material is 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,
The metal materials such as copper, 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
There is mounting groove 122 to be installed on the shell 80 of door lock 200 (as shown in Figure 9) so as to fingerprint recognition module 100.
Light-guide device 20 is housed in host cavity 13, and specifically, an end face of light-guide device 20 is supported on bottom plate 11
On.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, is led
Light side wall 21 surrounds receiving 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 the internal diameter equal to 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 are of substantially equal to subtract
Gap between small light-guide device 20 and shell 10.Guide-lighting side wall 21 includes the guide-lighting end face 211 far from bottom plate 11.Step 22 can
With annular in shape and circular receiving space 23.Light-guide device 20 can be made of optical material, and optical material includes polystyrene
(Polystyrene, PS), makrolon (Polycarbonate, PC), polymethyl methacrylate (polymethyl
Methacrylate, PMMA) in any one.
Circuit board 30 is arranged on step 22 and is housed in receiving 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 the first face 31 and the second face 32 opposite to each other, 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 receiving 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 diameter of fingerprint recognition chip 40 and the internal diameter of guide-lighting outer wall 21 are 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
Any one in other chip, ultrasonic fingerprint identification chip, optical fingerprint identification chip.Preferably, the utility model is real
It applies mode and uses capacitance type fingerprint identification chip.Fingerprint recognition chip 40 be Background Grid array packages (Land Grid Array,
LGA) structure.Referring to Fig. 3, in other embodiments, fingerprint recognition chip 40 is arranged when on light-guide device 20, guide-lighting end
Face 211 can also protrude from front 41.
Light source 50 is arranged on the second face 32 and is housed in receiving space 23, and light source 50 is electrically connected with circuit board 30.
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 to push up one or both of the illuminated LED and illuminated LED in side.
Connector 60 is arranged on the second face 32 and is exposed from through-hole 111, and connector 60 is electrically connected with circuit board 30.Even
Connect device 60 includes from the exposure of through-hole 111：The connection terminal (including mechanical connection end and electric connecting terminal) of connector 60 partly with it is logical
The alignment of hole 111 from through-hole 111 can partly expose；Alternatively, connector 60 is aligned completely with through-hole 111 with can be all from logical
Hole 111 exposes；Alternatively, when 60 part of connector is aligned with through-hole 111, connector 60 exposes outside shell 10；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 module 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 is sent out, to which 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 module 100 of the utility model embodiment is provided with the light-guide device around fingerprint recognition chip 40
20 and the light source 50 that is housed in receiving space 23, when light source 50 emits beam, what light-guide device 20 can send out light source
Light exports, to which user can determine fingerprint collecting region according to the circular region of light-guide device 20, especially in dim light
In the environment of, 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 to after being arranged on circuit board 30 on step 22 again；Shell 10 is provided with bottom plate
11, it is co-mounted to shell 10 convenient for light-guide device 20, circuit board 30, fingerprint recognition chip 40, light source 50 and connector 60
On, consequently facilitating the assembling of fingerprint recognition module 100, promotes the production efficiency of fingerprint recognition module 100.
The fingerprint recognition module 100 of the utility model embodiment also has the advantages that：First, shell 10 is by gold
Belong to material to be made, on the one hand, shell 10 can block the light that light source 50 is sent out and appear fingerprint recognition module from side wall of outer shell 11
100 and influence the normal works of other electronic components, on the other hand, shell 10 can be with shield fingerprints identification chip 40 to reduce
Fingerprint recognition chip 40 by other electronic components electromagnetic interference.
Second, shell end face 121, guide-lighting end face 211 and front 41, which flush, keeps the appearance of fingerprint recognition module 100 more beautiful
It sees.
Referring to Fig. 5, in some embodiments, the shell end face 121 of the above embodiment can be towards host cavity
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
The inside of end face 121 flushes.In this way, when finger is pressed on fingerprint recognition module 100 by user, fingerprint is slid into convenient for finger
On identification chip 40, consequently facilitating fingerprint recognition module 100 more accurately collects the finger print information of finger, promotes fingerprint knowledge
Other efficiency.
Referring to Fig. 6, in some embodiments, guide-lighting end face 211 is to incline gradually downward towards 23 center of receiving 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, when finger is pressed on fingerprint recognition module 100 by user, it is convenient for hand
Finger slides on fingerprint recognition chip 40, consequently facilitating fingerprint recognition module 100 more accurately collects the fingerprint letter of finger
Breath promotes fingerprint recognition efficiency.
Fig. 2 and Fig. 3 is please referred to, in some embodiments, the center in the second face 32, light source 50 is arranged in connector 60
Quantity be it is multiple, multiple light sources 50 around connector 60 be arranged.Preferably, multiple light sources 50 are in around the center in the second face 32
Angularly it is distributed, for example, when the quantity of light source 50 is two, the opposite sides in connector 60 is arranged in two light sources 50, and
And the center of light source 50, connector 60 center on the same line；When the quantity of light source 50 is three, three light sources 50
Angle between center and the line of centres of connector 60 is in 120 degree.In this way, the light that multiple light sources 50 are sent out can be more uniform
Ground projects on light-guide device 20, to keep light derived from light-guide device 20 more uniform.
Fig. 2 and Fig. 3 is please referred to, 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 host cavity 13, annular inner wall 14 are stretched into around through-hole 111, connector 60 in annular
In wall 14.Specifically, annular inner wall 14 is around connector 60 and between connector 60 and light source 50.Shell 10 can be by
The materials such as stainless steel, aluminium, copper are made, it is preferred that shell 10 is made of stainless steel, at this point, annular inner wall 14 can be by light source 50
The light sent out reflexes on light-guide device 20, to the brightness higher of light derived from light-guide device 20.In this way, annular inner wall
14, which can block the light that light source 50 is sent out, projects from through-hole 111 outside shell 10, to reduce the light leakage of fingerprint recognition module 100.
In other embodiments, inner wall 14 or the platy structure (such as Fig. 2 and the figure that are arranged between light source 50 and connector 60
Shown in 3).In other embodiments, it is provided with reflective membrane on the side closer to light source of inner wall 14.
Referring to Fig. 7, in some embodiments, fingerprint recognition module 100 further includes reflecting element 70, reflecting element
70 are arranged on bottom plate 11 and between light source 50 and connector 60.Specifically, the setting of reflective surface 71 of reflecting element 70 exists
On the side of close to sources 50, reflecting element 70 can be speculum or reflective membrane, reflecting element 70 can be laminated structure or
Around the cyclic structure of connector 60.The light that light source 50 is sent out can be reflected on light-guide device 20 by reflecting element 70, such as
This, reflecting element 70 can block the light that light source 50 is sent out and be projected outside shell 10 from through-hole 111；Meanwhile in the hair of light source 50
In the case of luminous power is identical, the brightness bigger of light derived from light-guide device 20.
Fig. 7 and Fig. 8 is please referred to, in some embodiments, fingerprint recognition module 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 is sent out
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 the utility model embodiment includes shell 80 and above-mentioned any one embodiment
The fingerprint recognition module 100, fingerprint recognition module 100 are arranged on shell 80.
Fingerprint recognition module 100 in the door lock 200 of the utility model embodiment is provided with around fingerprint recognition chip
40 light-guide device 20 and the light source 50 being housed in receiving space 23, when light source 50 emits beam, 20 energy of light-guide device
The enough light for sending out light source exports, to which user can determine fingerprint collecting region according to the circular region of light-guide device 20,
Especially in the environment of dim light, the efficiency of fingerprint recognition can be improved.Meanwhile light-guide device 20 is provided with step 22, just
It is co-mounted to again on step 22 after fingerprint recognition chip 40, light source 50 and connector 60 are arranged on circuit board 30；Shell
10 are provided with bottom plate 11, pacify together convenient for light-guide device 20, circuit board 30, fingerprint recognition chip 40, light source 50 and connector 60
It is attached on shell 10, consequently facilitating the assembling of fingerprint recognition module 100, promotes the production efficiency of fingerprint recognition module 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 module 100 are arranged on door handle 82.In this way, can more efficiently find fingerprint recognition convenient for user
The position of module 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 sending out light source 50 export.Specifically, door lock 200 further includes the detection module being electrically connected with control chip 90
(not shown), detection module can detect whether user needs to open door lock 200.Detection module 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 module determine that user needs
Door lock 200 is opened, when detection module detects user in 200 front of door lock, detection module sends to control chip 90 and uses
Family inputs, and control chip 90 shines according to user's input control light source 50, at this point, detection module may include camera model
Or apart from detection module.Alternatively, detection module has been capable of detecting whether that user contacts door handle 82, detection module determines that user needs
Door lock 200 is opened, when user contacts door handle 82, detection module sends user's input to control chip 90, controls chip
90 shine according to user's input control light source 50, at this point, detection module 90 may include temperature detecting module, pressure detecting
Module or torque detection module.It controls chip 90 to be electrically connected by connector 60 and circuit board 30, it is inputted when not having user
Before, light source 50 is not lighted and (is not shone)；When control chip 90 receives user's input, control chip 90 can be according to the use
Family input control light source 50 shines (lighting), and when the light that light-guide device 20 sends out light source 50 exports, user can determine finger
The position of line identification chip 40.In this way, when user does not use fingerprint recognition module 100, light source 50 does not shine；When user uses
When fingerprint recognition module 100, control chip 90 just controls light source 50 and shines, to reduce the power consumption of fingerprint recognition module 100.
Referring to Fig. 9, in some embodiments, when fingerprint recognition module 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 for the instruction completion of fingerprint recognition module 100 to referring to
The acquisition of line.
In some embodiments, door lock 200 further includes the memory 91 being electrically connected with fingerprint recognition module 100, is deposited
Reservoir 91 can store preset fingerprint information, when the finger print information that fingerprint recognition module 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 being deposited with what fingerprint recognition module 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 module 100
When information is inconsistent, control chip 90 controls continuous flash of light source 50 and is failed with indicating that door lock 200 unlocks.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 module 100
Line communications module 92, wireless communication module 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 module 100 collects fingerprint letter
When breath, finger print information can be transferred to communication terminal by wireless communication module 92, communication terminal can by finger print information with it is default
Module 92 is transferred to fingerprint recognition module 100 to fingerprint comparison result by radio communication.
Please refer to Fig. 2, Figure 10 and Figure 11, the assemble method packet of the fingerprint recognition module 100 of the utility model embodiment
It includes：
S1, provides a circuit board 30, and circuit board 30 includes the first face 31 and the second face 32 opposite to each other；
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 receiving space 23；
Circuit board 30 is arranged on step 22 and circuit board 30, fingerprint recognition chip 40 and light source 50 is made to be housed in by S5
In receiving 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 with it is outer
Shell side wall 12 surrounds host cavity 13 jointly, and bottom plate 11 offers the through-hole 111 being connected to host cavity 13；
The setting of light-guide device 20 in host cavity 13 and is made connector 60 be exposed from through-hole 111,32 phase of the second face by S7
Compared with 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 module 100 of the utility model embodiment is first by fingerprint recognition chip 40, light source
50 and connector 60 be arranged on circuit board 30 after be co-mounted to again on step 22, then by light-guide device 20, circuit board 30,
Fingerprint recognition chip 40, light source 50 and connector 60 are co-mounted on shell 10, consequently facilitating the group of fingerprint recognition module 100
Dress promotes the production efficiency of fingerprint recognition module 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
First face 31 is bonded.
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 boards and utilize surface mounting technology will
Light source 50 is mounted with connector 60 onto circuit board 30.In this way, due to the efficiency using surface mounting technology mounted with electronic components
It is higher, thus light source 50, connector 60 and circuit board 30 can be rapidly assembled in one by the assemble method of present embodiment
It rises.
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 coupling device
(Charge-coupled Device, CCD) is realized.The glue that dispensing board is put is arranged in step 22 close to guide-lighting end face 211
End face on, circuit board 30 is 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 host cavity 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 of dispensing board 10 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 the close shell end face 121 of bottom plate 11, the close shell end face in bottom plate 11 is arranged in light-guide device 20
On 121 side.Present embodiment is fitted in by the dispensing on shell 10 and by light-guide device 20 on shell 10, can be quick
Light-guide device 20 is arranged on shell 10 on ground.
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 be contained in the utility model at least one embodiment or
In example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or example.And
And particular features, structures, materials, or characteristics described can be in any one or more embodiments or example to close
Suitable mode combines.
Although the embodiment of the utility model has been shown and described above, it is to be understood that above-mentioned embodiment party
Formula is exemplary, and should not be understood as limiting the present invention, and those skilled in the art are in the utility model
The above embodiment can be changed, be changed in range, replaced and modification, the scope of the utility model by claim and
Its equivalent limits.
Claims (10)
1. a kind of fingerprint recognition module, which is characterized in that including：
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
Host cavity is surrounded, the bottom plate offers the through-hole being connected to the host cavity；
Light-guide device, the light-guide device are housed in the host cavity, 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 receiving space；
Circuit board, the circuit board are arranged on the step and are housed in the receiving space, and the circuit board includes phase
The first face and the second face of the back of the body, 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 receiving space；
Light source, the light source are arranged on second face and are housed in the receiving space；With
Connector, the connector are arranged on second face and are exposed from the through-hole.
2. fingerprint recognition module 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 the back of the body, 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 module 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 the back of the body, the shell end face are towards the host cavity center inclined inclined-plane gradually downward.
4. fingerprint recognition module 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 receiving 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 module according to claim 1, which is characterized in that the connector is arranged in second face
The quantity at center, the light source is multiple, and multiple light sources are arranged around the connector.
6. fingerprint recognition module 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 host cavity, and the annular inner wall surround the through-hole,
The connector stretches into the annular inner wall.
7. fingerprint recognition module according to claim 1, which is characterized in that the fingerprint recognition module 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 module 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, which is characterized in that including：
Shell；And
Fingerprint recognition module described in claim 1-8 any one, the fingerprint recognition module 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 according to light described in user's input control
Source shines, and the light that the light-guide device sends out the light source exports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820218538.3U CN207924693U (en) | 2018-02-07 | 2018-02-07 | Fingerprint recognition module and door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820218538.3U CN207924693U (en) | 2018-02-07 | 2018-02-07 | Fingerprint recognition module and door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207924693U true CN207924693U (en) | 2018-09-28 |
Family
ID=63603786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820218538.3U Active CN207924693U (en) | 2018-02-07 | 2018-02-07 | Fingerprint recognition module and door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207924693U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110506299A (en) * | 2018-11-02 | 2019-11-26 | 深圳市汇顶科技股份有限公司 | The device and door lock of vivo identification |
-
2018
- 2018-02-07 CN CN201820218538.3U patent/CN207924693U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110506299A (en) * | 2018-11-02 | 2019-11-26 | 深圳市汇顶科技股份有限公司 | The device and door lock of vivo identification |
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Address after: 330013 No.699 Tianxiang North Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee after: Jiangxi OMS Microelectronics Co.,Ltd. Address before: 330013 east of Xueyuan 6th Road, south of Tianxiang Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee before: OFilm Microelectronics Technology Co.,Ltd. Address after: 330013 east of Xueyuan 6th Road, south of Tianxiang Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee after: OFilm Microelectronics Technology Co.,Ltd. Address before: 330013 No.698 Tianxiang Avenue, high tech Zone, Nanchang City, Jiangxi Province Patentee before: NANCHANG OFILM BIO-IDENTIFICATION TECHNOLOGY Co.,Ltd. |