CN209328094U - Living body detection device and its access control system - Google Patents
Living body detection device and its access control system Download PDFInfo
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- CN209328094U CN209328094U CN201821573181.7U CN201821573181U CN209328094U CN 209328094 U CN209328094 U CN 209328094U CN 201821573181 U CN201821573181 U CN 201821573181U CN 209328094 U CN209328094 U CN 209328094U
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- living body
- detection device
- detected object
- body detection
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Abstract
The utility model discloses a kind of living body detection device, including emitting mould train, the emitting mould train is for emitting detection signal to detected object；Receiving module, the receiving module are used to receive the above-mentioned detection signal of detected object reflection and obtain the recognizable feature of detected object；With receive the infrared signal radiated from detected object and the temperature for obtaining detected object.The utility model can judge whether it is living body by the recognizable feature and temperature of object, have preferable safety.
Description
Technical field
The utility model relates to testing equipment field more particularly to a kind of preferable living body detection devices of safety and its door
Access control system.
Background technique
With development in science and technology, current many detection devices all have biological characteristic identification function, such as recognition of face, energy
It is enough by realizing various functions to Face datection, identification, if gate inhibition is current, the shopping of brush face, equipment unlock etc..However, existing
Detection device is detected for plane face mostly, is easy to be cheated by photo or simulation model in this way, safety compared with
It is low.
Utility model content
The purpose of this utility model is to provide a kind of safer living body detection devices.
The one aspect of the utility model discloses a kind of living body detection device, including emitting mould train, the emitting mould train
For emitting detection signal to detected object；Receiving module, the receiving module are used to receive detected object reflection
Above-mentioned detection signal and the recognizable feature for obtaining detected object；With receive the infrared signal that radiates from detected object simultaneously
Obtain the temperature of detected object.
It further, further include camera mould group, the camera mould group is used to acquire detected pair for micro- action recognition
As either statically or dynamically picture.
Further, the recognizable feature includes three dimensional biological feature.
Further, the three dimensional biological feature includes face, blood, hair, pore, one in bone or dermatoglyph
Kind is a variety of.
Further, the camera mould group acquires the image frame of detected object by receiving external visible light.
Further, the emitting mould train includes infrared transmitter, and the receiving module includes infrared light receiver, institute
Stating detection signal includes infrared signal.
Further, the detection signal is one of electromagnetic wave, sound wave or ultrasonic signal or a variety of.
Further, the infrared transmitter be include VCSEL, LED, AMOLED, LCD, edge-emitting laser and light
One of fine laser is a variety of.
Further, the detection signal includes structure light and/or floodlight signal.
Further, the receiving module include for receive detection signal infrared sensor and for receiving it is detected
The infrared sensor of the infrared light of object radiation.
It further, further include display screen, for showing image and In vivo detection result.
Further, when detected object temperature meets preset temperature range, with three dimensional biological feature and/or with micro-
The reaction of movement judges detected object for live subject.
The another aspect of the utility model discloses a kind of access control system, including above-mentioned living body detection device.
Compared to the prior art, the utility model can judge whether it is living by the recognizable feature and temperature of object
Body has preferable safety.
Detailed description of the invention
Fig. 1 is the schematic diagram of one embodiment of the utility model；
Fig. 2 is the light path schematic diagram of one embodiment of the utility model；
Fig. 3 is the schematic diagram of another embodiment of the utility model；
Fig. 4 is the light path schematic diagram of another embodiment of the utility model；
Fig. 5 is the schematic diagram of another embodiment of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-Fig. 2, in one embodiment of the utility model, living body detection device 10 includes shell 11, signal
Transmitter 12, signal receiver 13, switch 14 and indicator light 15.The shell 11 has substantial cylindrical structure, the signal
One end of the shell 11 is arranged in transmitter 12 and signal receiver 13.The signal projector 12 is for emitting detection signal
To detected object, such as: face.The signal receiver 13 is used to receive the detection letter of at least partly detected object reflection
Number.The detection signal can be used for detecting detected object blood vessel and blood flow.Open opening for the living body detection device 10
14 are closed, the signal projector 12 and signal receiver 13 are started to work.The instruction of indicator light 15 is lighted.
In the present embodiment, the living body detection device 10 is deep by the three-dimensional (3D) that the detection signal can obtain object
Information is spent, can be used for the identification of the recognizable feature including three dimensional biological feature of object, such as 3D recognition of face or 3D
Object identification.In the present embodiment, the detection signal is infrared signal, for example, the infrared light of 900nm wavelength.The signal
The detection signal that transmitter 12 emits penetrates human epidermal, is connect after blood vessel or capillary reflection by the signal receiver 13
It receives, the signal processor in the living body detection device 10 carries out identifying processing to received detection signal, judges test object
With the presence or absence of blood flow, and then judge whether test object is living body.For example, passing through the three-dimensional facial information of test object
And/or the blood flow in face's capillary, or detection fingerprint and/or finger-print region capillary in blood flow
To judge whether detected object is living body.The signal projector 12 is light emitting devices, including and is not limited only to VCSEL
(Vertical Cavity Surface Emitting Laser), LED (Light-Emitting Diode), AMOLED
(Active-matrix organic light-emitting diode), LCD, edge-emitting laser and optical-fiber laser etc. shine
Device.
In the utility model other embodiments, the detection signal be can also be in electromagnetic wave, sound wave or ultrasonic signal
It is one or more.
In the utility model other embodiments, the signal receiver 13 can also receive the infrared light of test object sending
Line, and the infrared light by emitting test object analyze and determine the surface temperature of test object, if meeting setting value,
Then it is judged as live subject.Setting value can be body temperature, such as 35-37 degree.
Please refer to Fig. 3-Fig. 4, in another embodiment of the utility model, living body detection device 20 includes detection 21 He of mould group
Camera mould group 22.Referring to Fig. 4, the detection mould group 21 includes emitting mould train 211, receiving module 212 and camera mould group 213.
The emitting mould train 211 can be used for emitting detection signal.The receiving module 212 can be used for receiving at least part of detected pair
As the detection signal of reflection, and the infrared light radiated from detected object itself is received, to obtain detected pair
As depth information and temperature information.The camera mould group 213 can be used for receiving extraneous visual light imaging, to obtain detected pair
The image frame of elephant.
In the present embodiment, the detection signal includes infrared light, and the emitting mould train 211 includes infrared transmitter, institute
Stating receiving module 212 includes infrared light receiver or infrared sensor.The detection signal can be infrared 3D structure light and/
Or floodlight.The detection signal can be used for detecting detected object blood vessel, hair, blood, bone, dermatoglyph etc..The work
Body detection device 20 combines color image screen can be effective by acquiring the depth information and temperature information of detected object
Recognize whether detected object is living body.The infrared transmitter can be VCSEL, LED, AMOLED, and LCD, edge emitting swash
One of light emitting devices such as light device and optical-fiber laser are a variety of.
In the present embodiment, the living body detection device 20 can be used in access control system, such as cell, company, factory,
Library, museum, the access control system for the occasion that music hall etc. needs to pass through after authentication.
Referring to Fig. 5, living body detection device 30 includes display screen 32, transmitting mould in another embodiment of the utility model
Group 33, receiving module 34 and camera mould group 35.The display screen 32, emitting mould train 33, receiving module 34 and camera mould group 35 are set
It sets in living body detection device 30.The emitting mould train 33 is for emitting detection signal to detected object, the receiving module
34 can be used for receiving the above-mentioned detection signal of detected object reflection, and the camera mould group 35 can be used for acquiring to be known for fine motion work
The either statically or dynamically picture of other detected object.The receiving module 34 may also receive from the red of detected object radiation
External signal.The display screen 32 can be used for showing image and In vivo detection result.
In the present embodiment, the detection signal is infrared signal, and the emitting mould train 33 emits infrared signal to inspection
It surveys on object and reflects, the receiving module 34 receives the infrared signal being at least partially reflected and carrys out self-test
The infrared light for surveying object radiation, by carrying out processing to the infrared signal of reflection to recognition detection object three dimensional biological
Feature, such as face, blood, hair, pore, bone, dermatoglyph etc.；And the infrared light processing to detected object radiation
To obtain the temperature of detected object.The receiving module 34 may include two infrared sensors, for receiving detection signal
Infrared sensor and for receive detected object radiation infrared light infrared sensor.In some embodiments, it receives
Module is also possible to an infrared sensor, while not receiving the infrared light of reflection and the infrared light of object radiation or not.
The emitting mould train 33 may include VCSEL, a length of 800-950nm of infrared waves.
In the utility model other embodiments, the emitting mould train 33 includes infrared transmitter, including and is not limited only to
The light emitting devices such as VCSEL, LED, AMOLED, LCD, edge-emitting laser and optical-fiber laser.
The camera mould group 35 acquires the image frame of detected object, and pass through acquisition by receiving external visible light
The fine motion of the image frame identification detected object arrived is made, such as: blink is frowned, and mouth, rotary head, the judgements detection pair such as lift hand are closed lightly
Like live subject.For policy people, body and face, have natural fine motion and make when stationary
Or expression.In the present embodiment, test object without making specific action, can by the three dimensional biological feature of detected object and
Temperature is identified in conjunction with limbs or facial fine motion, and then judges whether it is living body.
The living body detection device 30 can preset vital body temperature range, when detected object temperature meets preset temperature
Range is spent, the reaction for having three dimensional biological feature, while there is fine motion to make, the living body detection device 30 judges detected object
For live subject.
It in some embodiments, include that infrared photothermal imaging is handled to the infrared light processing of test object radiation.This is practical
In novel other embodiments, the display screen 32, camera mould group 35 are dispensed.
The living body detection device 30 can be used in access control system, such as cell, company, factory, library, natural science
Shop, the access control system for the occasion that music hall etc. needs to pass through after authentication.
The living body detection device 30 can be also used for various hand-held or portable detectors.
Compared to the prior art, the utility model can judge whether it is living body by object physiological characteristic and temperature, tool
There is preferable safety.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Term used in claims should not be construed as
Utility model is limited to specific embodiment disclosed in this specification.Therefore, the protection scope of the utility model should be with institute
It states subject to scope of protection of the claims.
Claims (13)
1. a kind of living body detection device, comprising:
Emitting mould train, the emitting mould train is for emitting detection signal to detected object；
Receiving module, the receiving module are used for:
It receives the above-mentioned detection signal of detected object reflection and obtains the recognizable feature of detected object；With
Receive the infrared signal radiated from detected object and the temperature for obtaining detected object.
2. living body detection device according to claim 1, which is characterized in that further include camera mould group, the camera mould group
For acquiring the detected object either statically or dynamically picture for being used for micro- action recognition.
3. living body detection device according to claim 1 or 2, which is characterized in that the recognizable feature includes three-dimensional raw
Object feature.
4. living body detection device according to claim 3, which is characterized in that the three dimensional biological feature includes face, blood
Liquid, hair, pore, one of bone or dermatoglyph are a variety of.
5. living body detection device according to claim 2, which is characterized in that the camera mould group is external visible by receiving
Light acquires the image frame of detected object.
6. living body detection device according to claim 1, which is characterized in that the emitting mould train includes infrared light emission
Device, the receiving module include infrared light receiver, and the detection signal includes infrared signal.
7. living body detection device according to claim 1, which is characterized in that the detection signal be electromagnetic wave, sound wave or
One of ultrasonic signal is a variety of.
8. living body detection device according to claim 6, which is characterized in that the infrared transmitter be include VCSEL,
One of LED, AMOLED, LCD, edge-emitting laser and optical-fiber laser or a variety of.
9. living body detection device according to claim 6, which is characterized in that the detection signal include structure light and/or
Floodlight signal.
10. living body detection device according to claim 6, which is characterized in that the receiving module includes for receiving inspection
Survey the infrared sensor of signal and the infrared sensor of the infrared light for receiving detected object radiation.
11. living body detection device according to claim 1, which is characterized in that further include display screen, for show image and
In vivo detection result.
12. living body detection device according to claim 3, when detected object temperature meets preset temperature range, have
Three dimensional biological feature and/or the reaction made with fine motion, judge detected object for live subject.
13. a kind of access control system, which is characterized in that including the In vivo detection dress as described in any one of claim 1-11
It sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821573181.7U CN209328094U (en) | 2018-09-26 | 2018-09-26 | Living body detection device and its access control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821573181.7U CN209328094U (en) | 2018-09-26 | 2018-09-26 | Living body detection device and its access control system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110708531A (en) * | 2019-10-15 | 2020-01-17 | 浙江晶鲸科技有限公司 | Infrared light structure module and working method thereof |
| CN111882737A (en) * | 2020-06-22 | 2020-11-03 | 浙江大华技术股份有限公司 | Access control detection method, device, system, computer equipment and storage medium |
| CN112949505A (en) * | 2021-03-05 | 2021-06-11 | 浙江工商大学 | MCU-based offline face recognition intelligent door lock and control method |
| CN113379947A (en) * | 2021-05-25 | 2021-09-10 | 广州朗国电子科技有限公司 | Intelligent door lock based on face recognition |
| CN113487782A (en) * | 2021-07-05 | 2021-10-08 | 曾伟 | Intelligent entrance guard of thing networking |
-
2018
- 2018-09-26 CN CN201821573181.7U patent/CN209328094U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110708531A (en) * | 2019-10-15 | 2020-01-17 | 浙江晶鲸科技有限公司 | Infrared light structure module and working method thereof |
| CN111882737A (en) * | 2020-06-22 | 2020-11-03 | 浙江大华技术股份有限公司 | Access control detection method, device, system, computer equipment and storage medium |
| CN112949505A (en) * | 2021-03-05 | 2021-06-11 | 浙江工商大学 | MCU-based offline face recognition intelligent door lock and control method |
| CN113379947A (en) * | 2021-05-25 | 2021-09-10 | 广州朗国电子科技有限公司 | Intelligent door lock based on face recognition |
| CN113487782A (en) * | 2021-07-05 | 2021-10-08 | 曾伟 | Intelligent entrance guard of thing networking |
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