CN205942725U - Iris recognition device - Google Patents
Iris recognition device Download PDFInfo
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- CN205942725U CN205942725U CN201620526932.4U CN201620526932U CN205942725U CN 205942725 U CN205942725 U CN 205942725U CN 201620526932 U CN201620526932 U CN 201620526932U CN 205942725 U CN205942725 U CN 205942725U
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- module
- iris identification
- temperature
- shell
- light filling
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Abstract
The utility model discloses an iris recognition device, accompany the hot cell including shell and the iris recognition cell, light filling unit and the automation that set up in the shell, automatically, accompany the hot cell to include temperature detect switch, heating module and power supply, temperature detect switch is used for monitoring the interior temperature of shell, and according to the change automatic switch -over break -make state of temperature in the shell, control power supply gives the power supply of heating module. The utility model discloses an iris recognition device, simple structure can be applicable to low temperature, moist extreme operational environment.
Description
Technical field
This utility model is related to technical field of biometric identification, more particularly, to a kind of iris identification device.
Background technology
Iris identification is a kind of biological identification technology based on human eye iris region minutia, because it has pinpoint accuracy
Increasingly paid close attention to by information security field with uniqueness.From the nineties in 20th century, initially available iris authentication system occurs
Since, iris identification device quickly grows, and is widely used to the fields such as finance, national defence, the administration of justice and daily life.Domestic at present
Iris identification device species is a lot, but is mainly suitable for being applied to indoor environment, and some adverse circumstances of military project, national defence, example
As：High humidity, the low environment of temperature can't be suitable for.
Utility model content
The purpose of this utility model is to provide a kind of iris identification device, and its structure is simple, can be applied to low temperature, tide
Wet extreme operating environments.
This utility model provides technical scheme as follows：
This utility model provides a kind of iris identification device, including shell and be arranged in shell iris identification unit,
Light filling unit and automatic heat tracing unit, described automatic heat tracing unit includes temperature detect switch (TDS), heating module and power supply, described
Temperature detect switch (TDS) is used for monitoring temperature in shell, and according to the change automatic switchover on off operating mode of temperature in shell, control power supply is given and added
The power supply of thermal modules.
According to an embodiment of the present utility model, temperature in described temperature detect switch (TDS) monitoring shell, when in shell temperature rise to pre-
If when more than temperature, temperature detect switch (TDS) switches to off-state, now disconnects the power supply to heating module for the power supply, heating module
Stop heating；When in shell, temperature is down to below preset temperature, temperature detect switch (TDS) switches to closure state, and now power supply is given and added
Thermal modules are powered, and heating module begins to warm up.
According to another embodiment of the present utility model, described automatic heat tracing unit also includes a display lamp, for indicating
Automatically the working condition of heat tracing unit.
According to another embodiment of the present utility model, described heating module is heating film, and described heating film is attached at rainbow
Before film recognition unit, below, bottom surface, top surface and/or left and right side.
According to another embodiment of the present utility model, described temperature detect switch (TDS) is bimetal plate temperature controling switch.
Iris identification device structure of the present utility model is simple, include shell with the iris identification unit being arranged in shell,
Light filling unit and automatic heat tracing unit, its automatic heat tracing unit can monitor temperature in shell at any time, automatic according to temperature change
Temperature in shell can be controlled to be maintained under the preference temperature of equipment for heat tracing unit it is ensured that the normal work of device, therefore this practicality
The iris identification device of new embodiment can adapt to the extreme operating environments in low temperature.
According to another embodiment of the present utility model, described shell is a full sealed type shell, and it includes the master of centre
Housing and the side body of the left and right sides, the side body of main casing and the left and right sides is connected by hollow pipe, described iris identification list
Unit is arranged in main casing body, and described light filling unit includes the first light filling unit and the second light filling unit, is respectively arranged at left and right two
In the side body of side, connect light filling unit and the electric wire of iris identification unit is arranged in described hollow pipe.
According to another embodiment of the present utility model, the front panel of described main casing is provided with first window, second
Window, the first opening and the second opening, described iris identification unit includes display module, image capture module, range finder module, brush
Card module and key-press module, described display module and image capture module are arranged at the position of corresponding first window in main casing body,
Described range finder module is arranged at the position of corresponding second window in main casing body, swipe the card region and the key-press module of described module of swiping the card
Key area be respectively embedded into the position of described first, second opening, described first, second window, the credit card area of module of swiping the card
The packing seal and front panel of main casing between respectively of the key area of domain and key-press module.
According to another embodiment of the present utility model, described first, second light filling unit includes first, second benefit respectively
Light lamp module, the front panel of the side body of the described left and right sides is respectively arranged with the 3rd window and the 4th window, and described first,
Two light supplementation lamp modules are respectively arranged at the position of corresponding three, the 4th windows in the side body of the left and right sides, and described three, the 4th
Window packing seal and the front panel of side body of the left and right sides between respectively.
According to another embodiment of the present utility model, described iris identification unit is used for meeting in eye image to be preset clearly
Clear when spending, send control signal to described light filling unit；
Described light filling unit is used for being rotated according to control signal, human eye is carried out with light filling, at the angular range of rotation
In 37-53 degree, described angular range is connected institute for the optical axis of light supplementation lamp module with light supplementation lamp module and iris identification unit
Straight angular range.
According to another embodiment of the present utility model, described light supplementation lamp module includes the multiple light fillings from top to bottom cascading
Lamp plate, multiple light filling lamp plates are in spirogyrate, multiple light filling lamp plates partly or entirely respectively in vertical direction with different inclination angle
Degree.
Iris identification device shell of the present utility model is a full sealed type shell, and its structure is simple, include main casing with
The side body of the side body of the left and right sides, main casing and the left and right sides is connected by hollow pipe, using totally enclosed enclosure designs
Enable to the normal work that device avoids humid air to affect device internal components in moist extreme environment work, it is to avoid
The moist corruption of electronic circuit, prevents the phenomenons such as short circuit.Meanwhile, each window and opening respectively with main casing and left and right sides shell
Packing seal between the front panel of body, is further ensured that the tightness of whole device shell, preferably adapts to moist extreme ring
Border.In addition, for the light filling effect ensureing iris identification device light filling unit, improving discrimination, light filling unit is passed by angle
The angle of sensor real-time monitoring reflection light, controlled motor adjusts light supplementation lamp module according to the reflection ray angle of Real-time Feedback
The light direction of the launch, to reach optimal light filling effect.
Therefore, iris identification device structure of the present utility model is simple, can be applied to low temperature, moist extreme building ring
Border.
Brief description
Fig. 1 is the composition frame chart of an embodiment of iris identification device of the present utility model；
Fig. 2 is the principle schematic of an embodiment of automatic heat tracing unit of the present utility model；
Fig. 3 is the structural representation of a specific embodiment of iris identification device of the present utility model；
Fig. 4 is the structural representation of a specific embodiment of light filling unit of the present utility model.
Specific embodiment
For making the technical problems to be solved in the utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And specific embodiment is described in detail.
This utility model embodiment provides a kind of iris identification device 100, as shown in figure 1, it includes shell 10 and sets
It is placed in iris identification unit 20 in shell, light filling unit 30 and automatic heat tracing unit 40, wherein heat tracing unit includes temperature automatically
Control switch 41, heating module 42 and power supply 43, temperature detect switch (TDS) is used for monitoring temperature in shell, and the change according to temperature in shell is certainly
Dynamic switching on off operating mode, controls power supply to the power supply of heating module.
The iris identification device structure of this utility model embodiment is simple, and the iris that it includes shell and is arranged in shell is known
Other unit, light filling unit and automatic heat tracing unit.The automatic heat tracing unit of the iris identification device of this utility model embodiment
Temperature in shell can be monitored at any time, temperature in shell can be controlled to be maintained at the suitable of equipment according to temperature change automatic heat tracing unit
At a temperature of it is ensured that the normal work of device, the iris identification device of therefore this utility model embodiment can adapt in low temperature
Extreme operating environments.
Further, as shown in Fig. 2 the circuit of the automatic heat tracing unit of the iris identification device of this utility model embodiment
Structure is：Power supply 43, heating module 42 and temperature detect switch (TDS) 41 are sequentially connected in series, an illustration of its operation principle
For：Temperature in temperature detect switch (TDS) monitoring shell, when in shell, temperature rises to more than preset temperature, temperature detect switch (TDS) switches to off-state,
Now disconnect the power supply to heating module for the power supply, heating module stops heating；When in shell, temperature is down to below preset temperature
When, temperature detect switch (TDS) switches to closure state, and now power supply is powered to heating module, and heating module begins to warm up.For example：In advance
If temperature value is 5 DEG C.
As another illustration, temperature detect switch (TDS) monitoring shell in temperature, when in shell temperature rise to preset temperature range with
When upper, temperature detect switch (TDS) switches to off-state, now disconnects the power supply to heating module for the power supply, and heating module stops adding
Heat；When in shell, temperature is down to below preset temperature range, temperature detect switch (TDS) switches to closure state, and now power supply gives heating
Module for power supply, heating module begins to warm up.For example：Preset temperature range is 5-10 DEG C.
Temperature detect switch (TDS) is the temperature change according to working environment, in switch internal, physical deformation occurs, thus producing conducting
Or the Automatic Control Component of disconnection action, particular job environmental requirement according to iris identification device and device hardware device
Operating temperature range determine preset temperature or preset temperature range, thus selecting suitable temperature detect switch (TDS).In addition, this practicality is new
The heating module of type embodiment is can be by the various heating modules of the heat release that is energized, such as：Heating rod, heating tube and heating plate
Deng.The circuit theory of the automatic heat tracing unit of this utility model embodiment is simple, by temperature detect switch (TDS) real-time monitoring device
Temperature change, when below temperature drop to preset temperature or preset temperature range, temperature detect switch (TDS) internal components turn on automatically, from
And power supply is turned on to the path that heating module is powered, heating module begins to warm up external releasing heat, so that dress
Put interior temperature to rise, when in shell, temperature rises to more than preset temperature or preset temperature range, temperature detect switch (TDS) internal components are automatic
Disconnect, so that power supply disconnects to the path that heating module is powered, heating module stops heating.This utility model is implemented
The automatic heat tracing unit of example controls the process of temperature in iris identification device simple and convenient, using temperature detect switch (TDS) according to temperature change
Automatic switchover on off operating mode, processing and control module that need not be complicated.
Further, the automatic heat tracing unit of the iris identification device of this utility model embodiment also includes a display lamp
44, for indicating the working condition of automatic heat tracing unit.
Preferably, the heating module of this utility model embodiment is heating film, and heating film is attached at iris identification unit
Above, below, bottom surface, top surface and/or left and right side.According to the particular hardware design conditions of iris identification unit, heating film is pasted
Invest from the nearest place of main hardware device, for example：Before the back side of chip, main circuit board or back side etc. is in order to more
The operating temperature of good holding main hardware device is it is preferred that the heating film of this utility model embodiment is attached at iris identification
The back or front of unit.The heating film of this utility model embodiment can be Kapton PI Electric radiant Heating Film, and it is with polyamides
Imines thin film is outer insulator, with metal forming, tinsel for interior conductive heating unit, forms through High Temperature High Pressure heat seal, has excellent
Dielectric strength, dielectric strength, heat conduction efficiency and resistance stability, be widely used in field of electric heating.
Preferably, the temperature detect switch (TDS) of this utility model embodiment is bimetal plate temperature controling switch.Bimetal plate temperature controling switch
By the use of video disc type bimetal leaf as temperature-sensing element, when temperature rises to more than preset temperature, video disc kick, transmission contact is rapid
Action；When temperature is down to below preset temperature, video disc resets, and contact also recovers therewith to original state, reaches on-off circuit
Purpose, it has, and small volume, amount be light, not arcing, reliability height, life-span length, the features such as radio interference is lacked.
Further, the iris identification device shell of this utility model embodiment is a full sealed type shell, as Fig. 3 institute
Show, it includes the side body 12 of the main casing 11 of centre and the left and right sides, and the side body of main casing and the left and right sides is by hollow
Pipe 13 connects, and above-mentioned iris identification unit is arranged in main casing body, and light filling unit includes the first light filling unit 31 and the second light filling
Unit 32, is respectively arranged in the side body of the left and right sides, connects light filling unit and the electric wire of iris identification unit is arranged on sky
In heart pipe.
The iris identification device shell of this utility model embodiment is a full sealed type shell, and its structure is simple, including master
Housing and the side body of the left and right sides, the side body of main casing and the left and right sides is connected by hollow pipe, using totally enclosed outer
Shell is designed to so that device avoids the normal work of humid air impact device internal components in moist extreme environment work
Make, it is to avoid the moist corruption of electronic circuit, prevent the phenomenons such as short circuit.
Further, the front panel of the main casing of the iris identification device of this utility model embodiment is provided with first
Window 111, the second window 112, the first opening 113 and the second opening 114, above-mentioned iris identification unit further includes to show mould
Block 21, image capture module 22, range finder module 23, module of swiping the card 24 and key-press module 25, wherein display module and image acquisition
Module is arranged at the position of corresponding first window in main casing body, and range finder module is arranged at the position of corresponding second window in main casing body
Put, the key area of swipe the card region and the key-press module of module of swiping the card is respectively embedded into the position of first, second opening, first,
Two windows, the filler and front panel of main casing between is close respectively for the key area of swipe the card region and the key-press module of module of swiping the card
Envelope, wherein first, second window is the transparent panel at corresponding opening position on the front panel be arranged on main casing, for example, can be
Face glass or acrylic panel.
First window, the second window are provided with the main casing front panel of the iris identification device of this utility model embodiment
Mouthful, the first opening and the second opening, be correspondingly arranged the display module of iris identification unit, image capture module, range finding mould respectively
Block, module of swiping the card and key-press module, are easy to iris identification device collection user images, show real-time image information, measure user
Pass through to swipe the card with the distance between device and user and button carries out corresponding operating, and first, second window, module of swiping the card
Swipe the card region and key-press module key area packing seal and the front panel of main casing between respectively, ensure entirely to fill with this
Put the tightness of shell, preferably adapt to moist extreme environment.
Further, as shown in Figure 3 and Figure 4, first, second benefit of the iris identification device of this utility model embodiment
Light unit includes the one 33, the second light supplementation lamp module (not shown in Fig. 4) respectively, and the front panel of the side body of the left and right sides is respectively
It is provided with the 3rd window 121 and the 4th window 122, first, second light supplementation lamp module is respectively arranged at the side body of the left and right sides
The position of interior correspondence the three, the 4th window, the three, the 4th windows filler and the front panel of side body of the left and right sides between respectively
Sealing, wherein the three, the 4th windows are the transparent area at corresponding opening position on the side body front panel be arranged on the left and right sides
Plate, for example, can be face glass or acrylic panel.
It is provided with the 3rd window on the front panel of the side body of the iris identification device left and right sides of this utility model embodiment
Mouthful and the 4th window, be correspondingly arranged the first light filling unit and the second light filling unit respectively, and, the three, the 4th windows respectively with
Packing seal between the front panel of the side body of the left and right sides, ensures the tightness of whole device shell with this, preferably adapts to
Moist extreme environment.
Further, the iris identification unit of the iris identification device of this utility model embodiment is used in eye image completely
During the default definition of foot, send control signal to light filling unit；Light filling unit is used for being rotated according to control signal, to human eye
Carry out light filling, the angular range of rotation is in 37-53 degree, wherein angular range is optical axis and the light compensating lamp of light supplementation lamp module
Module and iris identification unit connect the straight angular range of institute.The iris identification device of this utility model embodiment is in order to protect
The light filling effect of card light filling unit, improves discrimination, when detecting that eye image meets default definition by iris identification unit,
Send control signal to light filling unit, control light filling unit to be rotated, to reach optimal light filling effect.Further, this reality
Include the multiple light filling lamp plates from top to bottom cascading, multiple light compensating lamps with the light supplementation lamp module of new embodiment iris identification device
Plate is in spirogyrate, and some or all of in multiple light filling lamp plates is respectively in vertical direction with differing tilt angles, for example, Fig. 4
Shown light supplementation lamp module includes the three light filling lamp plates from top to bottom cascading, the light compensating lamp of its middle and upper part taking right view as a example
Plate is in an acute angle counterclockwise with vertical direction on the basis of lower end, and middle light filling lamp plate is parallel to vertical direction, the benefit of bottom
Light lamp plate is in an acute angle clockwise with vertical direction on the basis of upper end.The supplementary lighting module of the present embodiment is cascaded up and down using multiple
Light filling lamp plate, and assume spirogyrate, light filling scope can be expanded, adapt to the iris identification of wider scope user.
The above is preferred implementation of the present utility model it is noted that ordinary skill for the art
For personnel, on the premise of without departing from principle described in the utility model, some improvements and modifications can also be made, these improvement
Also should be regarded as protection domain of the present utility model with retouching.
Claims (10)
1. a kind of iris identification device is it is characterised in that include shell and the iris identification unit being arranged in shell, light filling unit
And automatic heat tracing unit, described automatic heat tracing unit includes temperature detect switch (TDS), heating module and power supply, described temperature detect switch (TDS)
For monitoring temperature in shell, according to the change automatic switchover on off operating mode of temperature in shell, control power supply to heating module
Power supply.
2. iris identification device according to claim 1 it is characterised in that described temperature detect switch (TDS) monitoring shell in temperature, when
When in shell, temperature rises to more than preset temperature, temperature detect switch (TDS) switches to off-state, now disconnects power supply to heating module
Power supply, heating module stop heating；When in shell, temperature is down to below preset temperature, temperature detect switch (TDS) switches to closure state,
Now power supply is powered to heating module, and heating module begins to warm up.
3. iris identification device according to claim 1 is it is characterised in that described automatic heat tracing unit also includes an instruction
Lamp, for indicating the working condition of automatic heat tracing unit.
4. according to the arbitrary described iris identification device of claim 1-3 it is characterised in that described heating module is heating film,
Described heating film is attached at before iris identification unit, below, bottom surface, top surface and/or left and right side.
5. the iris identification device according to claim 1-3 is it is characterised in that described temperature detect switch (TDS) is bimetal leaf temperature control
Switch.
6. iris identification device according to claim 1 it is characterised in that described shell be a full sealed type shell, its
Including the side body of middle main casing and the left and right sides, the side body of main casing and the left and right sides is connected by hollow pipe, institute
State iris identification unit to be arranged in main casing body, described light filling unit includes the first light filling unit and the second light filling unit, respectively
It is arranged in the side body of the left and right sides, connect light filling unit and the electric wire of iris identification unit is arranged in described hollow pipe.
7. iris identification device according to claim 6 is it is characterised in that be provided with the front panel of described main casing
One window, the second window, the first opening and the second opening, described iris identification unit include display module, image capture module,
Range finder module, module of swiping the card and key-press module, described display module and image capture module are arranged in main casing body corresponding first
The position of window, described range finder module is arranged at the position of corresponding second window in main casing body, the credit card area of described module of swiping the card
The key area of domain and key-press module is respectively embedded into the position of described first, second opening, described first, second window, swipes the card
The key area packing seal and the front panel of main casing between respectively of swipe the card region and the key-press module of module.
8. iris identification device according to claim 6 is it is characterised in that described first, second light filling unit is wrapped respectively
Include first, second light supplementation lamp module, the front panel of the side body of the described left and right sides is respectively arranged with the 3rd window and the 4th window
Mouthful, described first, second light supplementation lamp module is respectively arranged at the position of corresponding three, the 4th windows in the side body of the left and right sides
Put, described three, the 4th window packing seals and the front panel of side body of the left and right sides between respectively.
9. iris identification device according to claim 8 it is characterised in that
Described iris identification unit is used for, when eye image meets default definition, sending to described light filling unit and controlling letter
Number；
Described light filling unit is used for being rotated according to control signal, human eye is carried out with light filling, the angular range of rotation is in 37-
In 53 degree, described angular range is connected with light supplementation lamp module and iris identification unit and is in line by the optical axis of light supplementation lamp module
Angular range.
10. iris identification device according to claim 8 is it is characterised in that described light supplementation lamp module is included from top to bottom
Multiple light filling lamp plates of cascade, multiple light filling lamp plates are in spirogyrate, multiple light filling lamp plates partly or entirely respectively with vertical side
To one-tenth differing tilt angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620526932.4U CN205942725U (en) | 2016-06-01 | 2016-06-01 | Iris recognition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620526932.4U CN205942725U (en) | 2016-06-01 | 2016-06-01 | Iris recognition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205942725U true CN205942725U (en) | 2017-02-08 |
Family
ID=57932757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620526932.4U Active CN205942725U (en) | 2016-06-01 | 2016-06-01 | Iris recognition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205942725U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107122763A (en) * | 2017-05-22 | 2017-09-01 | 深圳动保科技有限公司 | Animal iris identification equipment |
-
2016
- 2016-06-01 CN CN201620526932.4U patent/CN205942725U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107122763A (en) * | 2017-05-22 | 2017-09-01 | 深圳动保科技有限公司 | Animal iris identification equipment |
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