Automobile fatigue early warning device
Technical field
The utility model belongs to automotive safety monitoring technology field more particularly to a kind of automobile fatigue early warning device.
Background technology
Automobile fatigue early warning device is the physiological characteristic information that driver is captured, analyzed in vehicle traveling process, is judged
Whether driver is in fatigue state, and a set of safe early warning given a warning in the case where the judgment result is yes to driver
System.
Giving fatigue pre-warning system on existing inside-automobile rear mirror needs while having the function of giving fatigue pre-warning and inside rear-view mirror
The back vision function of itself.But the camera in the giving fatigue pre-warning system is since its field angle angle is smaller, giving fatigue pre-warning system
The phenomenon that will appear low discrimination or erroneous judgement, since inside rear-view mirror is whole in the prior art, and camera can not phase
Inside rear-view mirror is moved, generally requires and adjusts inside rear-view mirror manually to meet its good giving fatigue pre-warning effect, manually in adjusting
Although rearview mirror meets good giving fatigue pre-warning effect, but often influence the back vision function of inside rear-view mirror itself, so as to cause
The back vision function of giving fatigue pre-warning function and inside rear-view mirror itself can not perfection take into account.It is easy when in addition, adjusting inside rear-view mirror manually
There is security risk, and cannot be satisfied demand of the user for intelligent onboard system.
Utility model content
Technical problem to be solved in the utility model is:It can not for the giving fatigue pre-warning system in existing inside rear-view mirror
Perfection takes into account the technical issues of back vision function of giving fatigue pre-warning function and inside rear-view mirror itself, provides a kind of automobile giving fatigue pre-warning dress
It sets.
In order to solve the above technical problems, the utility model embodiment provides a kind of automobile fatigue early warning device, including in master
Rearview mirror and secondary inside rear-view mirror, the main inside rear-view mirror include first shell, the first eyeglass and the first driving mechanism, and described first
Shell side is provided with the first opening, and the first eyeglass setting is in first opening, the first shell and described the
The first cavity is formed between one eyeglass, first driving mechanism is arranged in first cavity;
The pair inside rear-view mirror includes second shell, the second eyeglass and camera module, the second shell side setting
There is the second opening, the second eyeglass setting is in second opening, shape between the second shell and second eyeglass
It is arranged in second cavity at having the second cavity, the camera module;The camera module includes camera, described
The position of camera described in face forms transparent region on second eyeglass;
The pair inside rear-view mirror the relatively described main inside rear-view mirror can rotate upwardly and downwardly under the driving of first driving mechanism.
Optionally, the first shell is provided with ball cup, and bulb pit, the second shell are provided in the ball cup
Body is provided with bulb, and the bulb is fitted in the bulb pit, the left side of the first shell and the second shell
Right side fitting, the bulb is connected with the output end of first driving mechanism.
Optionally, first driving mechanism includes first motor and first gear deceleration mechanism, the first motor
Output shaft is connected with the input shaft of first gear deceleration mechanism, output shaft and the ball of first gear deceleration mechanism
Head is connected.
Optionally, the main inside rear-view mirror further includes first motor driving chip, giving fatigue pre-warning chip, alarm and circuit
Plate, the first motor are electrically connected with first motor driving chip, the first motor driving chip, camera and alarm point
It is not electrically connected with the giving fatigue pre-warning chip, the alarm and circuit board are arranged in first cavity, the giving fatigue pre-warning
Chip is arranged with first motor driving chip on the circuit board, and the circuit board is fixedly connected in the first shell.
Optionally, the camera module further includes the camera base for installing the camera, the camera
Pedestal is fixedly connected in the second shell.
Optionally, the secondary inside rear-view mirror further includes the second driving mechanism, and the second driving mechanism setting is described the
In two cavitys, the camera can second driving mechanism driving lower edge before and after the direction of second eyeglass
Movement.
Optionally, second driving mechanism includes the second motor and second gear deceleration mechanism, second motor
Output shaft is connected with the input shaft of second gear deceleration mechanism, and the output shaft of second gear deceleration mechanism is taken the photograph with described
As head is connected.
Optionally, second gear deceleration mechanism includes gear and the rack that is engaged with the gear, second motor
Output shaft is connected with the gear, and the rack is connected with the camera, and the rack is along perpendicular to second eyeglass
Direction moves forward and backward.
Optionally, second gear deceleration mechanism includes worm gear and the worm screw that is engaged with the worm gear, second motor
Output shaft is connected with the worm gear, and the worm screw is connected with the camera, and the axis of the worm screw is perpendicular to second mirror
Piece.
Optionally, the secondary inside rear-view mirror further includes the second motor drive ic, and second motor and the second motor drive
Dynamic chip electrical connection, second motor drive ic are arranged in second cavity.
The automobile fatigue early warning device of the utility model embodiment, main inside rear-view mirror include first shell, the first eyeglass and
First driving mechanism, secondary inside rear-view mirror include second shell, the second eyeglass and camera module, and camera module includes camera shooting
Head, the position of face camera forms transparent region on the second eyeglass, and camera can pass through the acquisition face letter of the transparent region
Breath;Secondary inside rear-view mirror relatively main inside rear-view mirror can rotate upwardly and downwardly under the driving of the first driving mechanism, i.e. camera can be relative to
Main inside rear-view mirror rotates upwardly and downwardly, and it is good tired to meet secondary inside rear-view mirror that such camera is achieved with larger field angle angle
Labor early warning effect can keep main inside rear-view mirror motionless in revolute pair inside rear-view mirror, to not influence the backsight of main inside rear-view mirror
Function so that the automobile fatigue early warning device perfect can take into account the back vision function of giving fatigue pre-warning function and inside rear-view mirror itself.
Description of the drawings
Fig. 1 is the explosive view for the automobile fatigue early warning device that one embodiment of the utility model provides;
Fig. 2 is the schematic diagram of the first shell for the automobile fatigue early warning device that one embodiment of the utility model provides;
Fig. 3 is the schematic diagram of the second shell for the automobile fatigue early warning device that one embodiment of the utility model provides;
Fig. 4 is the schematic diagram of the camera module for the automobile fatigue early warning device that one embodiment of the utility model provides.
Reference numeral in specification is as follows:
1, main inside rear-view mirror;101, first shell;1011, the first opening;1012, ball cup;102, the first eyeglass;103、
Circuit board;104, the first cavity;
2, secondary inside rear-view mirror;201, second shell;2011, the second opening;2012, bulb;202, the second eyeglass;203, it takes the photograph
As head module;2031, camera;2032, camera base;204, the second cavity.
Specific implementation mode
The technical issues of in order to keep the utility model solved, technical solution and advantageous effect are more clearly understood, below
In conjunction with accompanying drawings and embodiments, the utility model is described in further detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
As shown in Figures 1 to 4, the automobile fatigue early warning device that one embodiment of the utility model provides, including backsight in master
Mirror 1 and secondary inside rear-view mirror 2, the main inside rear-view mirror 1 include first shell 101, the first eyeglass 102 and the first driving mechanism (figure
In be not shown), the pair inside rear-view mirror 2 can under the driving of first driving mechanism about the 1 main inside rear-view mirror relatively
Rotation.101 side of the first shell is provided with the first opening 1011, and the setting of the first eyeglass 102 is in first opening
On 1011, the first cavity 104, first driving mechanism are formed between the first shell 101 and first eyeglass 102
It is arranged in first cavity 104.The pair inside rear-view mirror 2 includes second shell 201, the second eyeglass 202 and camera shooting head mould
Block 203,201 side of the second shell are provided with the second opening 2011, and the setting of the second eyeglass 202 is in second opening
On 2011, the second cavity 204, the camera module are formed between the second shell 201 and second eyeglass 202
203 are arranged in second cavity 204.The camera module 203 includes camera 2031, on second eyeglass 202
The position of camera 2031 described in face forms transparent region.
In one embodiment, as shown in Figure 1 to Figure 3, the first shell 101 is provided with ball cup 1012, the bulb
It is provided with bulb pit (not shown) in seat 1012, the second shell 201 is provided with bulb 2012, the bulb 2012
It is fitted in the bulb pit, the left side of the first shell 101 is bonded with the right side of the second shell 201, institute
Bulb 2012 is stated with the output end of first driving mechanism to be connected.Bulb 2012 is universal connection with bulb pit, but by
It is bonded with the right side of second shell 201 in the left side of first shell 101 so that the pair inside rear-view mirror 2 can only be with respect to institute
Main inside rear-view mirror 1 is stated to rotate upwardly and downwardly.
In one embodiment, first driving mechanism includes first motor and first gear deceleration mechanism, and described first
The output shaft of motor is connected with the input shaft of first gear deceleration mechanism, the output shaft of first gear deceleration mechanism with
The bulb 2012 is connected.
In one embodiment, as shown in Figures 1 and 2, the main inside rear-view mirror 1 further includes first motor driving chip (figure
In be not shown), giving fatigue pre-warning chip (not shown), alarm (not shown) and circuit board 103, the first motor
Be electrically connected with first motor driving chip, the first motor driving chip, camera 2031 and alarm respectively with it is described tired
Labor early warning chip is electrically connected, and the alarm and circuit board 103 are arranged in first cavity 104, the giving fatigue pre-warning chip
It is arranged on the circuit board 103 with first motor driving chip, the circuit board 103 is fixedly connected on the first shell
On 101.
Camera 2031 captures human eye or head feature information, and giving fatigue pre-warning is transferred to after being converted into digital signal
Chip, giving fatigue pre-warning chip control the rotation of first motor by first motor driving chip, automatic adjustment camera 2031
Field angle, to meet good giving fatigue pre-warning effect.Also, giving fatigue pre-warning chip according to camera 2031 capture human eye or
Person's head feature information judges whether driver is in fatigue state.In the case where the judgment result is yes by alarm with sound
Light form sends out alarm signal, such as whistle or broadcasting music to driver.
In one embodiment, as shown in Fig. 1, Fig. 3 and Fig. 4, the camera module 203 further includes for installing described take the photograph
As first 2031 camera base 2032, the camera base 2032 is fixedly connected in the second shell 201.
In one embodiment, the secondary inside rear-view mirror 2 further includes the second driving mechanism (not shown), and described second drives
Motivation structure is arranged in second cavity 204, and the camera 2031 can hang down in the driving lower edge of second driving mechanism
Directly moved forward and backward in the direction of second eyeglass 202.
In one embodiment, second driving mechanism include the second motor and second gear deceleration mechanism, described second
The output shaft of motor is connected with the input shaft of second gear deceleration mechanism, the output shaft of second gear deceleration mechanism with
The camera 2031 is connected.
In one embodiment, second gear deceleration mechanism includes gear and the rack that is engaged with the gear, and described second
The output shaft of motor is connected with the gear, and the rack is connected with the camera 2031, and the rack is along perpendicular to described
The direction of second eyeglass 202 moves forward and backward.Wheel and rack is intermeshed, and can the rotary motion of the second motor be become rack
Linear motion.Since rack is connected with camera 2031, rack perpendicular to the direction of the second eyeglass 202 along moving forward and backward, in this way
Camera 2031 can be achieved to move forward and backward along perpendicular to the direction of the second eyeglass 202, thus camera 2031 can be more clear
Capture human eye or head feature information.
In one embodiment, second gear deceleration mechanism includes worm gear and the worm screw that is engaged with the worm gear, and described second
The output shaft of motor is connected with the worm gear, and the worm screw is connected with the camera 2031, the axis of the worm screw perpendicular to
Second eyeglass 202.Worm gear is intermeshed with worm screw, can the rotary motion of the second motor be become worm screw along the straight of its axis
Line moves.Since worm screw is connected with camera 2031, the axis of worm screw can be achieved to take the photograph in this way perpendicular to second eyeglass 202
It is moved forward and backward along perpendicular to the direction of the second eyeglass 202 as first 2031, thus the capture people that camera 2031 can be more clear
Body eyes or head feature information.
In one embodiment, the secondary inside rear-view mirror 2 further includes the second motor drive ic (not shown), and described the
Two motors are electrically connected with the second motor drive ic, and second motor drive ic is arranged in second cavity 204.
The automobile fatigue early warning device of the utility model embodiment, main inside rear-view mirror include first shell, the first eyeglass and
First driving mechanism, secondary inside rear-view mirror include second shell, the second eyeglass and camera module, and camera module includes camera shooting
Head, the position of face camera forms transparent region on the second eyeglass, and camera can pass through the acquisition face letter of the transparent region
Breath;Secondary inside rear-view mirror relatively main inside rear-view mirror can rotate upwardly and downwardly under the driving of the first driving mechanism, i.e. camera can be relative to
Main inside rear-view mirror rotates upwardly and downwardly, and it is good tired to meet secondary inside rear-view mirror that such camera is achieved with larger field angle angle
Labor early warning effect can keep main inside rear-view mirror motionless in revolute pair inside rear-view mirror, to not influence the backsight of main inside rear-view mirror
Function so that the automobile fatigue early warning device perfect can take into account the back vision function of giving fatigue pre-warning function and inside rear-view mirror itself.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.