CN110435665A - Driver detection device and car - Google Patents
Driver detection device and car Download PDFInfo
- Publication number
- CN110435665A CN110435665A CN201910749576.0A CN201910749576A CN110435665A CN 110435665 A CN110435665 A CN 110435665A CN 201910749576 A CN201910749576 A CN 201910749576A CN 110435665 A CN110435665 A CN 110435665A
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- Prior art keywords
- light
- display element
- opening
- detection device
- driver
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- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 238000005259 measurement Methods 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 230000002745 absorbent Effects 0.000 claims description 5
- 239000002250 absorbent Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000004446 light reflex Effects 0.000 claims 1
- 230000001815 facial effect Effects 0.000 abstract description 6
- 239000011521 glass Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000002310 reflectometry Methods 0.000 description 4
- 239000011358 absorbing material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 210000003128 head Anatomy 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 241001282135 Poromitra oscitans Species 0.000 description 1
- 206010048232 Yawning Diseases 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000003331 infrared imaging Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/02—Rear-view mirror arrangements
- B60R1/04—Rear-view mirror arrangements mounted inside vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/08—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to drivers or passengers
- B60W40/09—Driving style or behaviour
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mathematical Physics (AREA)
- Transportation (AREA)
- Multimedia (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The invention discloses a driver detection device and an automobile, wherein the driver detection device comprises: the utility model provides a camera shooting device, including shell, camera shooting device, semi-reflecting mirror, detection treater, display element, camera shooting device's output with the input communication connection who detects the treater, the display element that can send first type light, can receive second type light, can with first type light reflection that display element sent to the opening and can allow second type light sees through semi-reflecting mirror and detection treater, the display element camera shooting device and the semi-reflecting lens holding is in the shell, the display element with the opening sets up one side of semi-reflecting mirror, camera shooting device sets up the opposite side of semi-reflecting mirror, camera shooting device's direction of making a video recording orientation the opening, camera shooting device's output with the input communication connection who detects the treater. The invention can normally observe the display image but can not see the camera device, and the camera can capture the facial image feature of the driver.
Description
Technical field
The present invention relates to automobile correlative technology field, especially a kind of driver detection device and automobile.
Background technique
Intelligent network connectionization is the development trend of automobile industry, and driver detection device is used widely.
On the one hand driver detection device can detecte the facial characteristics of driver, it is tired that identification blinks, closes one's eyes, yawning etc.
Labor behavior, and drink water, make a phone call, smoking etc. and influence the hazardous act of driving safety, driver is proposed to warn, guarantees driving
Safety.On the other hand, driver detection device can identify that driver such as nods, shakes the head at movement, and dynamic and the static hand
Gesture instruction, controls vehicle functions, provides the interactive mode of convenient close friend.
Facial image features of the driver detection device generally by capturing driver in camera.For obtain preferably at
As effect, additional supplementary lighting sources are also needed sometimes.The arrangement of light source and camera will affect automobile interior modeling effect, it is difficult to cloth
It sets.Meanwhile to guarantee that good imaging effect, camera are preferentially arranged in the positive position of driver, can also block driver
The sight for observing instrument or traffic information, influences traffic safety.
Summary of the invention
Based on this, it is necessary to which light source and camera for the driver detection device of the prior art are difficult to the technology arranged
Problem provides a kind of driver detection device and automobile.
The present invention provides a kind of driver detection device, comprising: has the shell of opening, can issue first kind light
Display element, can reflect the first kind light that the display element issues the photographic device that can receive Second Type light
To opening and it can allow the half-reflecting mirror and measurement processor of Second Type light transmission, it is the display element, described
Photographic device and the half reflection lens are accommodated in the shell, and the display element and the opening are arranged described half
The other side of the half-reflecting mirror, the camera shooting direction court of the photographic device is arranged in the side of reflecting mirror, the photographic device
To the opening, the input terminal of the output end of the photographic device and the measurement processor is communicated to connect.
Further, the shell includes the top plate and bottom plate to form the opening, and the display element is arranged described
Bottom plate, the half reflection lens tilt from the top plate to the bottom plate and extend along the direction being open to photographic device, described aobvious
Show the light-emitting surface of element towards the half reflection lens.
Further, the light-emitting surface of the display element is located at projected area of the half reflection lens on the bottom plate
In domain.
Further, the shell includes the top plate and bottom plate to form the opening, and the display element is arranged described
Top plate, the half reflection lens tilt from the bottom plate to the top plate and extend along the direction being open to photographic device, described aobvious
Show the light-emitting surface of element towards the half reflection lens.
Further, the light-emitting surface of the display element is located at projected area of the half reflection lens on the top plate
In domain.
Further, the first kind light is visible light, and the Second Type light is infrared light.
Further, infrared anti-reflection film is deposited in the mirror surface of the half reflection lens towards the opening.
Still further, the shell is opaque outer, the inner surface coating of the shell or stickup light absorbent.
Still further, further including the supplementary lighting sources that can issue Second Type light, the photographic device and the light filling
Light source is arranged in the same side of the half-reflecting mirror, and the light emission direction of the supplementary lighting sources is towards the opening.
The present invention provides a kind of automobile, and foregoing driver is installed before the driver seat of the automobile and detects dress
It sets, the opening of the driver detection device is towards driver seat.
The present invention is extremely open by the first kind light of half reflection lens one side reflective display element, so that driver
It is able to observe that display image, on the other hand passes through the photographic device after half reflection lens are set and driver is detected.
Since photographic device is integrated in projection display device, driver can normal observation show image, but can't see photographic device,
Camera can capture driver's facial image features simultaneously.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of driver detection device of one embodiment of the invention；
Fig. 2 is a kind of structural schematic diagram of driver detection device of another embodiment of the present invention.
Specific embodiment
The present invention will be further described in detail in the following with reference to the drawings and specific embodiments.
It is as shown in Figure 1 a kind of structural schematic diagram of driver detection device of one embodiment of the invention, comprising: there is opening
11 shell 1, the display element 2 that first kind light can be issued, the photographic device 3 that Second Type light can be received, can be by institute
State the half reflection that the first kind light of the sending of display element 2 reflexes to opening 11 and the Second Type light can be allowed to penetrate
Mirror 4 and measurement processor (not shown), the display element 2, the photographic device 3 and the half reflection lens 4
It is accommodated in the shell 1, the side of the half-reflecting mirror 4, the camera shooting are arranged in the opening 11 for the display element 2
The other side of the half-reflecting mirror 4 is arranged in device 3, and the camera shooting direction of the photographic device 3 is described to take the photograph towards the opening 11
As the output end of device 3 and the input terminal of the measurement processor communicate to connect.
Specifically, shell 1 forms concave cavity, and cavity accommodates display element 2, photographic device 3 and half-reflecting mirror 4.
Cavity opens up opening 11 towards driver's 5 on one side.Display element 2 is connected with finished vehicle electronic system, can show such as instrument letter
The related display image 21 such as breath, can be used as projection-type instrument.The same of half-reflecting mirror 4 is arranged in opening 11 in display element 2
Side.Show that image 21 is projected to half-reflecting mirror 4 by first kind light, and via refraction of light path, in the another of half-reflecting mirror 4
Side forms the virtual image 22, observes for driver 5.And the other side of half-reflecting mirror 4 is arranged in photographic device 3, is hidden by half-reflecting mirror 4
Gear, therefore driver 5 can't see photographic device 3.Photographic device 3 receives Second Type light, and the of the face reflection of driver 5
Two type light will enter the other side of half-reflecting mirror 4 by half-reflecting mirror 4, and be shot by photographic device 3.Filming apparatus 3 can
To carry measurement processor, can also be communicated to connect with independent measurement processor, by measurement processor to captured driving
5 faces of member are analyzed and processed.
The present invention is extremely open by the first kind light of half reflection lens one side reflective display element, so that driver
It is able to observe that display image, on the other hand passes through the photographic device after half reflection lens are set and driver is detected.
Since photographic device is integrated in projection display device, driver can normal observation show image, but can't see photographic device,
Camera can capture driver's facial image features simultaneously.
As shown in Figure 1, the shell 1 includes top plate 12 and the bottom for forming the opening 11 in one of the embodiments,
Plate 13, the display element 2 setting in the bottom plate 13, the half reflection lens 4 along opening 11 to the direction of photographic device 3,
It tilts and extends from the top plate 12 to the bottom plate 13, the light-emitting surface of the display element 2 is towards the half reflection lens 4.
Specifically, half reflection lens 4 along opening 11 to the direction of photographic device 3, from the top plate 12 to the bottom plate
13 inclinations extend, so that the display image 21 that the display element 2 that bottom plate 13 is arranged in is issued is reflexed to opening 11, are formed empty
As 22.Display element 2 is preferably organic luminous semiconductor (OrganicLight-Emitting Diode, OLED) screen.Display
Element 2 can be laid flat on base 13, also be can integrate on base 13, i.e., laid flat display element 2 as bottom plate 13.
The light-emitting surface of the display element 2 is located at the half reflection lens 4 in the bottom plate in one of the embodiments,
In view field on 13.
The light-emitting surface of the present embodiment display element 2 is located at view field of the half reflection lens 4 on the bottom plate 13
It is interior, so that the light-emitting surface overall reflective of all display elements 2 to opening 11 is guaranteed complete display.
As shown in Fig. 2, the shell 1 includes top plate 12 and the bottom for forming the opening 11 in one of the embodiments,
Plate 13, the display element 2 setting in the top plate 12, the half reflection lens 4 along opening 11 to the direction of photographic device 3,
It tilts and extends from the bottom plate 13 to the top plate 12, the light-emitting surface of the display element 2 is towards the half reflection lens 4.
Specifically, half reflection lens 4 along opening 11 to the direction of photographic device 3, from the bottom plate 13 to the top plate
12 inclinations extend, so that the display image 21 that the display element 2 that top plate 12 is arranged in is issued is reflexed to opening 11, are formed empty
As 22.Display element 2 is preferably organic luminous semiconductor (OrganicLight-Emitting Diode, OLED) screen.Display
Element 2 can be lain on top plate 12, also can integrate on top plate 12, i.e., lay flat display element 2 as top plate 12.
The light-emitting surface of the display element 2 is located at the half reflection lens 4 in the top plate in one of the embodiments,
In view field on 13.
The light-emitting surface of the present embodiment display element 2 is located at view field of the half reflection lens 4 on the top plate 12
It is interior, so that the light-emitting surface overall reflective of all display elements 2 to opening 11 is guaranteed complete display.
The first kind light is visible light in one of the embodiments, and the Second Type light is infrared light.
The present embodiment, as first kind light, allows the operator to that display device 2 is watched to be sent out using visible light
Display image out, and using infrared light as Second Type light, since infrared light is invisible, driver will not
Perceive it is detected, avoid interference driver.
The half-reflecting mirror 4 is the glass for reflecting visible light and transmitted infrared light in one of the embodiments,.
The glass of the present embodiment has reflection and transmission function concurrently.The glass is high to visible light wave range reflectivity, to infrared waves
Section transmissivity is high.
Preferably, infrared camera selects 940nm wave band camera, and head shell selects black.
Infrared anti-reflection film is deposited in the mirror surface of the half reflection lens 4 towards the opening 11 in one of the embodiments,.
Infrared anti-reflection film is deposited to improve the transmitance of infrared light in the present embodiment.
The shell 1 is opaque outer, the inner surface coating or stickup of the shell 1 in one of the embodiments,
Light absorbent.
The shell of the present embodiment is set as opaque outer, and external light source is avoided to enter in shell, meanwhile, in the chamber of shell
Light absorbent is pasted in internal surface coating, reduces the reflectivity of visible light.
Preferably, shell 1 is black non transparent shell.
Preferably, cavity inner surface coating or stickup black light-absorbing material.
In one of the embodiments, further include the supplementary lighting sources that can issue Second Type light, the photographic device 3 with
The supplementary lighting sources are arranged in the same side of the half-reflecting mirror 4, and the light emission direction of the supplementary lighting sources is towards the opening
11。
The present embodiment increase can issue the supplementary lighting sources of Second Type light, such as infrared light supply, with obtain preferably at
As effect.
Preferably, infrared light supply selects 940nm wave band LED, and infrared light supply shell selects black.
The present invention provides a kind of automobile, and foregoing driver is installed before the driver seat of the automobile and detects dress
It sets, the opening 11 of the driver detection device is towards driver seat.
The present invention is extremely open by the first kind light of half reflection lens one side reflective display element, so that driver
It is able to observe that display image, on the other hand passes through the photographic device after half reflection lens are set and driver is detected.
Since photographic device is integrated in projection display device, driver can normal observation show image, but can't see photographic device,
Camera can capture driver's facial image features simultaneously.
As preferred embodiment, a kind of driver detection device, comprising: there is the shell 1 of opening 11, can issue
The display element 2 of visible light, the photographic device 3 that can receive infrared light, the visible reflectance that can issue the display element 2 are extremely
Opening 11 and the half-reflecting mirror 4, supplementary lighting sources and measurement processor (not shown) that the infrared light can be allowed,
The display element 2, the photographic device 3 and the half reflection lens 4 are accommodated in the shell 1, the display element 2
The side of the half-reflecting mirror 4 is set with the opening 11, and the another of the half-reflecting mirror 4 is arranged in the photographic device 3
Side, the camera shooting direction of the photographic device 3 is towards the opening 11, the output end of the photographic device 3 and the detection processing
The input terminal of device communicates to connect, in which:
Shell 1 is black box, refers to the shell of package unit.Black box is made of opaque material, towards the direction of driver
Opening, inner surface are black light-absorbing material；
The display element 2, refers to and is arranged in black box bottom, can issue the display device of visible light；
The half-reflecting mirror 4 is half reflection glass, refers to and is arranged in the middle part of black box, tilt installation has reflection and transmission concurrently
The glass of function.The glass is high to visible light wave range reflectivity, high to infrared band transmissivity；
The supplementary lighting sources are infrared light supply, refer to the electronic component for emitting infrared light being mounted on inside black box；
The photographic device 3 be infrared camera, refer to be mounted on inside black box can to infrared imaging electronics member
Part.
Preferably, OLED display screen can be used in display element 2.
Preferably, infrared anti-reflection film is deposited towards the side of driver in half reflection glass.
Preferably, infrared light supply selects 940nm wave band LED, infrared light supply shell selects black.
Preferably, infrared camera selects 940nm wave band camera, head shell selects black.
Specifically, crust of the device is made of opaque material, forms complete concave cavity.Cavity is towards driver's
It is open on one side.Black light-absorbing material is pasted in cavity inner surface coating, reduces the reflectivity of visible light.Above structure forms this hair
The bright black box referred to.
OLED screen curtain is installed as display element in black box lower part.Display element is connected with finished vehicle electronic system, can be visible
Optical band display instrument information.Meter information is reflected via optical path, forms the big void such as upright in the other side of half reflection glass
Picture is observed for driver.
Half reflection glass is tiltedly mounted in the middle part of black box, has the flat glass device of reflection and transmission function concurrently.Half is anti-
It penetrates glass and inteferometer coating is prepared by evaporation process towards one survey of driving.By adjusting plated film refractive index and thickness, make it to 400-
The visible reflectance of 800nm wave band is higher, and the IR transmittance of 900-1000nm wave band is higher.In the work of half reflection glass
Under, the visible light that outside enters black box is less, and is absorbed by the light absorbent of black box inner surface, when reflecting black box again again
Secondary by half reflection glass-reflected, thus the visible light escaped out inside black box is few, and structure is invisible to driver in black box.This
In invention example, the plane included angle between half reflection glass and display element is 35 ° -60 °, can be according to real vehicle installation site and driving
Member's both view angle adjustment, obtains optimal viewing effect.
The infrared light supply and infrared camera of installation 940nm on the inside of black box.The infrared light of infrared light supply sending 940nm wavelength
Line irradiates driver through half reflection glass, and the infrared light of reflection is captured by half reflection glass by infrared camera, and formation is driven
The infrared image for the person of sailing is used for driver's monitoring function.940nm wave band exceeds the visible wave-length coverage of the mankind, and naked eyes are invisible,
Pilot's line of vision will not be interfered.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of driver detection device characterized by comprising there is the shell (1) of opening (11), the first kind can be issued
The display element (2) of light, the photographic device (3) that Second Type light can be received, the display element (2) can be issued the
One type light reflexes at opening (11) and the half-reflecting mirror (4) that the Second Type light can be allowed to penetrate and detection
Device is managed, the display element (2), the photographic device (3) and the half reflection lens (4) are accommodated in the shell (1),
The display element (2) and the opening (11) are arranged in the side of the half-reflecting mirror (4), photographic device (3) setting
In the other side of the half-reflecting mirror (4), the camera shooting direction of the photographic device (3) is towards the opening (11), the camera shooting
The output end of device (3) and the input terminal of the measurement processor communicate to connect.
2. driver detection device according to claim 1, which is characterized in that the shell (1) includes opening described in formation
The top plate (12) and bottom plate (13) of mouth (11), the display element (3) are arranged in the bottom plate (13), the half reflection lens
(4) it along the opening direction of (11) to photographic device (3), tilts and extends from the top plate (12) Xiang Suoshu bottom plate (13), it is described aobvious
Show the light-emitting surface of element (3) towards the half reflection lens (4).
3. driver detection device according to claim 2, which is characterized in that the light-emitting surface position of the display element (3)
In the half reflection lens (4) in the view field on the bottom plate (13).
4. driver detection device according to claim 1, which is characterized in that the shell (1) includes opening described in formation
The top plate (12) and bottom plate (13) of mouth (11), the display element (3) are arranged in the top plate (12), the half reflection lens
(4) it along the opening direction of (11) to photographic device (3), tilts and extends from the bottom plate (13) Xiang Suoshu top plate (12), it is described aobvious
Show the light-emitting surface of element (3) towards the half reflection lens (4).
5. driver detection device according to claim 4, which is characterized in that the light-emitting surface position of the display element (3)
In the half reflection lens (4) in the view field on the top plate (13).
6. driver detection device according to claim 1, which is characterized in that the first kind light is visible light,
The Second Type light is infrared light.
7. driver detection device according to claim 6, which is characterized in that the half reflection lens (4) are described in
Infrared anti-reflection film is deposited in the mirror surface of opening (11).
8. driver detection device according to any one of claims 1 to 7, which is characterized in that the shell (1) is impermeable
Bright shell, the inner surface coating of the shell (1) or stickup light absorbent.
9. driver detection device according to any one of claims 1 to 7, which is characterized in that further include that can issue second
The supplementary lighting sources of type light, the photographic device (3) are arranged with the supplementary lighting sources in the same of the half-reflecting mirror (4)
Side, and the light emission direction of the supplementary lighting sources is towards the opening (11).
10. a kind of automobile, which is characterized in that installation is as described in any one of claim 1 to 9 before the driver seat of the automobile
Driver detection device, the opening (11) of the driver detection device is towards driver seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910749576.0A CN110435665B (en) | 2019-08-14 | 2019-08-14 | Driver detection device and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910749576.0A CN110435665B (en) | 2019-08-14 | 2019-08-14 | Driver detection device and car |
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| Publication Number | Publication Date |
|---|---|
| CN110435665A true CN110435665A (en) | 2019-11-12 |
| CN110435665B CN110435665B (en) | 2024-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910749576.0A Active CN110435665B (en) | 2019-08-14 | 2019-08-14 | Driver detection device and car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111114552A (en) * | 2020-01-16 | 2020-05-08 | 北京未动科技有限公司 | Image acquisition device and system, vehicle |
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