CN208569657U - Face identification device - Google Patents
Face identification device Download PDFInfo
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- CN208569657U CN208569657U CN201821330284.0U CN201821330284U CN208569657U CN 208569657 U CN208569657 U CN 208569657U CN 201821330284 U CN201821330284 U CN 201821330284U CN 208569657 U CN208569657 U CN 208569657U
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- pcba
- identification device
- face identification
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Abstract
The utility model discloses a kind of face identification device, the panel including device noumenon and on the ontology, which is characterized in that the ontology includes: mainboard, display screen, camera assembly and infrared induction component；The display screen is electrically connected with the mainboard；The camera assembly and the mainboard communicate to connect；The infrared induction component includes PCBA；The PCBA and the mainboard communicate to connect；The PCBA is equipped with ambient light sensor and A/D converter；The ambient light sensor and the A/D converter communicate to connect.By the way that infrared induction component automatic sensing human body is arranged, to make the bright screen of display screen and start recognition of face, to reduce display screen energy consumption, enhance user experience.
Description
Technical field
The utility model relates to arrive identification device technical field, face identification device is especially related to.
Background technique
Recognition of face is a kind of biological identification technology for carrying out identification based on facial feature information of people.When face is known
When other device is mounted in access control system, face identification device is constantly in detecting state, so that face identification device energy consumption is high；
Or in face identification device setting recognition of face startup function, but most of needs manually boot, inconvenient to use, user
Experience sense is poor.
Utility model content
The main purpose of the utility model is to provide that a kind of low energy consumption, the recognition of face dress of contactless starting recognition of face
It sets.
The utility model proposes a kind of face identification devices, the panel including device noumenon and on ontology, ontology packet
It includes: mainboard, display screen, camera assembly and infrared induction component；Display screen is electrically connected with mainboard；Camera assembly and mainboard communication link
It connects；
Infrared induction component includes PCBA；PCBA and mainboard communicate to connect；PCBA is equipped with ambient light sensor and A/D is converted
Device；Ambient light sensor and A/D converter communicate to connect.
Further, PCBA uses I2C serial communication.
Further, PCBA is additionally provided with range sensor；Range sensor is connect with PCBA.
Further, PCBA is additionally provided with band pass filter, and band pass filter is connected with ambient light sensor.
Further, PCBA is additionally provided with data selector, data selector JA(junction ambient) optical sensor and A/D converter；
A/D converter includes the first A/D converter and the second A/D converter；Data selector is for selecting the first A/D converter or the
Two A/D converters.
Further, the resolution ratio of ambient light sensor is less than 100mlx.
Further, display screen is set to the upper middle position of panel.
Further, camera assembly is set to the lower middle position of panel；Camera assembly includes colour imagery shot, infrared takes the photograph
As head and infrared light compensating lamp.
Further, the quantity of infrared light compensating lamp is two；Two infrared light compensating lamps are respectively arranged on the one of colour imagery shot
The side of side and infrared camera.
Further, transparency cover is equipped with right above panel.
The beneficial effects of the utility model are, infrared induction component, infrared induction group is arranged by face identification device
Part and mainboard communicate to connect, so that mainboard makes the bright screen of display screen and starts recognition of face, to reduce display screen energy consumption, enhancing is used
Family experience sense.
Detailed description of the invention
Fig. 1 is one embodiment body construction schematic diagram of the utility model face identification device；
Fig. 2 is one embodiment panel construction schematic diagram of the utility model face identification device；
Fig. 3 is one embodiment infrared induction component structure diagram of the utility model face identification device.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
It should be appreciated that specific embodiment described herein is only used to explain the utility model, it is not used to limit this
Utility model.
Referring to FIG. 1, FIG. 2 and FIG. 3, one embodiment of the utility model face identification device, including device noumenon and be set to institute
The panel 5 on ontology is stated, ontology includes: mainboard 1, display screen 2, camera assembly 3 and infrared induction component 4；Display screen 2 and mainboard
1 electrical connection；Camera assembly 3 and mainboard 1 communicate to connect；
Infrared induction component 4 includes PCBA 41；PCBA 41 and mainboard 1 communicate to connect；PCBA 41 is equipped with ambient light sensing
Device 42 and A/D converter 43；Ambient light sensor 42 and A/D converter 43 communicate to connect.
In above-mentioned face identification device, after ambient light sensor 42 detects human body infrared wavelength, by human body infrared wavelength
It is transferred to A/D converter 43, A/D converter 43 is transferred to master after the analog signal of human body infrared wavelength is converted to digital signal
Plate 1, after the analysis processing digital signal of mainboard 1, mainboard 1 wakes up the bright screen of display screen 2, after the bright screen of display screen 2, passes through camera assembly 3
After acquiring facial image, facial image is transferred to mainboard 1, after the processing analysis of mainboard 1, display screen 2 shows recognition result.It is standby
When state, display screen 2 goes out screen, and face identification device works without recognition of face, to reduce the energy of face identification device
Consumption, then human body wavelength is incuded by infrared induction component 4 and wakes up display screen 2 and starting recognition of face work, it realizes non-contact
Formula starts recognition of face work.
Mainboard 1 is equipped on & off switch interface, display screen interface, utilizing camera interface, infrared light compensating lamp interface, infrared induction group
Part interface, communication interface, horn interface, USB interface, power interface, emergency power supply interface；Mainboard 1 is for typing and storage people
Face image, the Characteristic Contrast analysis of facial image, the comparative analysis of infrared wavelength, the control bright screen of display screen 2 and go out screen and PCBA
41 carry out signal transmission.
Display screen 2 is TFT display screen, and display screen 2 is used to show the face of the human face image information of typing and storage, acquisition
Image information, recognition result information, the administration interface information of information about power and face identification device；In face recognition process,
Display screen 2 intuitively show user it should be understood that information, make user understand identification process and as a result, enhancing user experience
Sense.
The facial image of acquisition is transferred to mainboard 1 and compares and analyzes people by camera assembly 3 for acquiring facial image
Face feature.
In above-mentioned infrared induction component 4, PCBA 41 is the abbreviation of Printed Circuit Board+Assembly,
I.e. printed circuit board hollow plate passes through surface installation technique piece uploading, using the circuit board obtained after dual-inline package plug-in unit；
The upper electronic component that can be assembled of PCBA_41 include resistance, capacitor, inductance coil, potentiometer, transformer, crystal diode,
Transistor, field-effect tube, electro-acoustic element, photoelectric device, display device, sensor, surface mount device, it is silicon-controlled,
Switch, relay etc.；The human body infrared wavelength detected of ambient light sensor 42 is analog signal, i.e. non-electrical signal；A/D conversion
Device 43 is analog-digital converter, converts analog signals into digital signal, i.e. electric signal；Pass through 1 comparative analysis digital signal of mainboard
Afterwards, display screen 2 is waken up；In the present embodiment, the supply voltage of PCBA 41 is 1.62 to 3.6V, and standby current is lower than 500hA,
It realizes low in energy consumption；The use temperature range of infrared induction component 4 is -40 DEG C to 85 DEG C, and the temperature range used is wide, is suitable for more
Kind temperature environment.
In an embodiment of the utility model, PCBA 41 uses I2C serial communication.
PCBA41 uses I2C serial communication, message transmission rate are up to 3.4Mbps, and message transmission rate is fast, enhance user
Experience sense.
In an embodiment of the utility model, PCBA 41 is additionally provided with range sensor；Range sensor is connect with PCBA.
Range sensor is reflected by the object back by emitting especially short light pulse and measuring this light pulse from being emitted to
Time, calculate the distance between object by surveying time interval；Range sensor includes optical distance sensor, infrared
Range sensor and ultrasonic distance sensor；The distance range of range sensor detection is 0-80cm, first passes through Distance-sensing
Device judgment object is close, then passes through whether 42 Detection wavelength judgment object of ambient light sensor is human body, to avoid non-human
Unnecessary triggering, to reduce energy consumption；Range sensor is connect with PCBA41, and range sensor is logical by PCBA41 and mainboard 1
Letter.
Referring to Fig. 3, in an embodiment of the utility model, PCBA 41 is additionally provided with band pass filter 44, band pass filter 44
It is connected with ambient light sensor 42.
Band pass filter 44 is located at before ambient light sensor 42；Band pass filter 44 is for filtering daylight and other light
Unnecessary visible light and infrared light in source, with realize in the sunlight or other light sources human face identification device work normally；?
In the present embodiment, band pass filter 44 is 950nm band pass filter.
Referring to Fig. 3, in an embodiment of the utility model, PCBA 41 is additionally provided with data selector 45, data selector 45
JA(junction ambient) optical sensor 42 and A/D converter 43；A/D converter 43 includes that the first A/D converter 431 and the 2nd A/D are converted
Device 432；Data selector is for selecting the first A/D to convert 431 devices 43 or the second A/D converter 432.
It is selected by obtaining the human body infrared wavelength detected of ambient light sensor 42 twice, then by data selector 45
A/D converter 43 respectively converts the human body infrared wavelength obtained twice；First A/D converter 431 and the 2nd A/D conversion
Dynamic range between the range setting of device 432 can achieve 128klx；To guarantee the knot after infrared wavelength analysis detected
Fruit is accurate.
In an embodiment of the utility model, the resolution ratio of ambient light sensor 42 is less than 100mlx.
Lx is unit of illuminance, 1lx=1000mlx, 1000lx=1klx；The resolution ratio of ambient light sensor 42 is sensor
The ability for the tested magnitude minimum change that can be experienced, i.e., when input changing value is less than resolution ratio, the output of sensor is not
It can change；The resolution ratio of ambient light sensor 42 be less than 100mlx, it can be achieved that face identification device under dark glass just
Often work.
In an embodiment of the present invention, PCBA 41 is additionally provided with the adjustable internal oscillator of 1% precision.Internal oscillator
It does not need external energy and realizes specific function, such as signal transmission, signal amplification etc., can be effectively reduced recognition of face dress
The energy consumption set.
Referring to Fig. 2, in an embodiment of the utility model, display screen 2 is set to the upper middle position of panel 5.Display screen
It is located on panel 5 content that user can be allowed intuitively to see display screen 2, meets the use habit of user.
Referring to Fig. 2, in an embodiment of the utility model, camera assembly 3 is set to the lower middle position of panel 5；Camera shooting
Component 3 includes colour imagery shot 31, infrared camera 32 and infrared light compensating lamp 33.
Camera assembly 3 includes colour imagery shot 31, infrared camera 32 and infrared light compensating lamp 33；Camera assembly 3 is for adopting
Collecting facial image, colour imagery shot 31 is used to acquire face infrared image for acquiring face color image, infrared camera 32,
Infrared light compensating lamp 33 provides near infrared light light source when acquiring face infrared image for infrared camera 32, makes face identification device
High identification work in a dark environment；The facial image of acquisition uploads to mainboard 1 and compares and analyzes face characteristic.
Referring to Fig. 2, in an embodiment of the utility model, the quantity of infrared light compensating lamp 33 is two；Two infrared light fillings
Lamp 33 is respectively arranged on the side of colour imagery shot 31 and the side of infrared camera 32.
Two infrared light compensating lamps 33 can provide near infrared light light source in dark surrounds for face identification device, make face
Identification device identifies work in dark surrounds height.
In an embodiment of the utility model, transparency cover is equipped with right above panel 5.
Transparency cover can be acrylic lid, display screen 2, camera assembly 3 and the infrared induction component 4 in protection panels 5 with
And it is dust-proof.
The utility model on face identification device by being arranged infrared induction component 4, infrared induction component 4 and mainboard 1
Communication connection, to reduce by 2 energy consumption of display screen, enhances user's body so that mainboard 1 makes the bright screen of display screen 2 and starts recognition of face
Test sense.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, is directly or indirectly transported
Used in other related technical areas, it is also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of face identification device, the panel including device noumenon and on the ontology, which is characterized in that the ontology
It include: mainboard, display screen, camera assembly and infrared induction component；The display screen is electrically connected with the mainboard；The camera shooting group
Part and the mainboard communicate to connect；
The infrared induction component includes PCBA；The PCBA and the mainboard communicate to connect；The PCBA is passed equipped with environment light
Sensor and A/D converter；The ambient light sensor and the A/D converter communicate to connect.
2. face identification device according to claim 1, which is characterized in that the PCBA uses I2C serial communication.
3. face identification device according to claim 1, which is characterized in that the PCBA is additionally provided with range sensor；Institute
Range sensor is stated to connect with the PCBA.
4. face identification device according to claim 1, which is characterized in that the PCBA is additionally provided with band pass filter, institute
Band pass filter is stated to be connected with the ambient light sensor.
5. face identification device according to claim 1, which is characterized in that the PCBA is additionally provided with data selector, institute
It states data selector and connects the ambient light sensor and the A/D converter；The A/D converter is converted including the first A/D
Device and the second A/D converter；The data selector is for the selection first A/D converter or the second A/D converter.
6. face identification device according to claim 1, which is characterized in that the resolution ratio of the ambient light sensor is less than
100mlx。
7. face identification device according to claim 1, which is characterized in that the display screen is set to the centre of the panel
Position on the upper side.
8. face identification device according to claim 1, which is characterized in that the camera assembly is set in the panel
Between position on the lower side；The camera assembly includes colour imagery shot, infrared camera and infrared light compensating lamp.
9. face identification device according to claim 8, which is characterized in that the quantity of the infrared light compensating lamp is two；
Two infrared light compensating lamps are respectively arranged on the side of the colour imagery shot and the side of the infrared camera.
10. face identification device according to claim 1, which is characterized in that be equipped with transparency cover right above the panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821330284.0U CN208569657U (en) | 2018-08-17 | 2018-08-17 | Face identification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821330284.0U CN208569657U (en) | 2018-08-17 | 2018-08-17 | Face identification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208569657U true CN208569657U (en) | 2019-03-01 |
Family
ID=65450782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821330284.0U Expired - Fee Related CN208569657U (en) | 2018-08-17 | 2018-08-17 | Face identification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208569657U (en) |
-
2018
- 2018-08-17 CN CN201821330284.0U patent/CN208569657U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190301 Termination date: 20190817 |
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| CF01 | Termination of patent right due to non-payment of annual fee |