CN105488369A - Screen unlocking method and system - Google Patents
Screen unlocking method and system Download PDFInfo
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- CN105488369A CN105488369A CN201510883161.4A CN201510883161A CN105488369A CN 105488369 A CN105488369 A CN 105488369A CN 201510883161 A CN201510883161 A CN 201510883161A CN 105488369 A CN105488369 A CN 105488369A
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- screen
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
Abstract
The invention provides a screen unlocking method and a screen unlocking system, which are used for a vehicle-mounted multimedia control system. The screen unlocking method comprises: when it is detected that a vehicle enters a driving state, setting a control screen of the vehicle-mounted multimedia control system to be in a locking state; when the control screen is in the locking state, detecting the distance between a hand of a passenger in a co-pilot position and the control screen through a detection region arranged at the periphery of the control screen and close to a co-pilot side; and when a moving object is detected in the detection region, judging that the distance is less than or equal to a preset distance, and switching the control screen to be in an unlocking state. Through the technical scheme provided by the invention, the control screen of the vehicle-mounted multimedia control system can be automatically locked according to the driving state of the vehicle to ensure the driving safety of a driver; and meanwhile, the control screen is automatically unlocked by judging an action intention of the passenger in the co-pilot position, so that the control convenience of the passenger in the co-pilot position is remarkably improved.
Description
Technical field
The present invention relates to technical field of vehicle control, particularly relate to a kind of screen unlock method and system thereof.
Background technology
At present, most of automobile is all provided with multi-media control system (MMC, MultiMediaControllerSystem), to provide as service and functions such as digital map navigation, multimedia file broadcastings.But multi-media control system is often locked in driving procedure, to avoid interference the notice of driver, thus guarantees the security of driver in driving procedure.
In order to avoid all making vehicle parked (sometimes may and be not easy to parked, when such as travelling on a highway) when manipulating multi-media control system at every turn, people wish in the process of moving by co-driver passenger to manipulate multi-media control system.But in the related, automatically locking for all passengers of multi-media control system, makes to be that driver or co-driver passenger cannot manipulate multi-media control system in the process of moving.
Therefore, how both to have guaranteed the driving safety of vehicle, and the manipulation convenience of co-driver passenger to multi-media control system can have been promoted again, become technical matters urgently to be resolved hurrily at present.
Summary of the invention
In view of this, the invention provides a kind of screen unlock method and unlocking screen system thereof, the manipulation screen of multi-media control system can be automatically locked according to the transport condition of vehicle, to guarantee the drive safety of driver; Meanwhile, by judging that the action intention of co-driver passenger carrys out automatic unlocking manipulation screen, thus the manipulation convenience of co-driver passenger can also significantly be promoted.
For achieving the above object, the invention provides technical scheme as follows:
A kind of screen unlock method, for vehicle mounted multimedia control system, this screen unlock method comprises: when detecting that vehicle enters transport condition, and the manipulation screen of vehicle mounted multimedia control system is set to lock-out state; When described manipulation screen is in the lock state, by being arranged at described manipulation screen perimeter and the surveyed area of close copilot side, detect the distance between the hand of co-driver passenger and described manipulation screen; Wherein, when mobiles being detected in described surveyed area, judge that described distance is less than or equal to predeterminable range, and by described manipulation screens switch to released state.
Correspondingly, the invention allows for a kind of unlocking screen system, for vehicle mounted multimedia control system, comprising: safety locking module, for when detecting that vehicle enters transport condition, the manipulation screen of vehicle mounted multimedia control system is set to lock-out state; Manipulation detection module, for when described manipulation screen is in the lock state, by being arranged at described manipulation screen perimeter and the surveyed area of close copilot side, detects the distance between the hand of co-driver passenger and described manipulation screen; State handover module, during for mobiles being detected in described surveyed area, judges that described distance is less than or equal to predeterminable range, and by described manipulation screens switch to released state.
From above technical scheme, the present invention, by the detection to vehicle running state, can automatically lock the manipulation screen of multi-media control system, to guarantee the drive safety of driver; Meanwhile, can also judge that its action is intended to according to the distance between the hand of co-driver passenger and manipulation screen, and realize automatic unlocking manipulation screen, thus significantly promote the manipulation convenience of co-driver passenger; Further, by making surveyed area be positioned at manipulation screen perimeter and near copilot side, making detection target be restricted to co-driver passenger, and avoid driver to manipulate, thus ensure that drive safety.
Accompanying drawing explanation
Fig. 1 shows the structural representation of unlocking screen system according to an embodiment of the invention;
Fig. 2 is the schematic diagram of the cabin interior of the unlocking screen system being provided with embodiment as shown in Figure 1;
Fig. 3 shows the schematic diagram being realized manipulation detection by infrared sensor according to an embodiment of the invention;
Fig. 4 shows the schematic diagram being realized manipulation detection by microwave antenna according to an embodiment of the invention;
Fig. 5 shows the schematic flow sheet of screen unlock method according to an embodiment of the invention.
Embodiment
The present invention, by the detection to vehicle running state, can automatically lock the manipulation screen of multi-media control system, to guarantee the drive safety of driver; Meanwhile, can also judge that its action is intended to according to the distance between the hand of co-driver passenger and manipulation screen, and realize automatic unlocking manipulation screen, thus significantly promote the manipulation convenience of co-driver passenger.
For being further described the present invention, provide the following example:
Fig. 1 shows the structural representation of unlocking screen system according to an embodiment of the invention.
As shown in Figure 1, unlocking screen system according to an embodiment of the invention, for vehicle mounted multimedia control system, comprising:
1, screen safety locking
Particularly, by safety locking module 102 when detecting that vehicle enters transport condition, the manipulation screen of vehicle mounted multimedia control system is set to lock-out state.Due to vehicle be under transport condition time, if the manipulation screen of multi-media control system is still in response to the control action of driver, then driver is in the process that manipulates of manipulation screen, probably causes traffic hazard due to the dispersion of notice.
Therefore, by the accurate detection of safety locking module 102 pairs of vehicle running states, i.e. lockable multi-media control system (when adopting the traveling of touch control operation, being embodied in the locking to manipulation screen), to promote drive safety.
Further, except " whether being in transport condition ", more careful locking condition can also be set.Particularly, such as unlocking screen system can also comprise: velocity measuring module 108, enter the travel speed after transport condition to detect vehicle, then safety locking module 102 when this travel speed is more than or equal to pre-set velocity, can realize automatically locking multi-media control system.
Certainly, those skilled in the art it is understood that: concrete locking condition can carry out selecting and arranging according to actual needs, such as can also comprise following condition one or a combination set of: vehicle enters running time, operating range etc. after transport condition.
2, screen automatic unlocking
Particularly, by safety locking module 102 by the manipulation screens switch of multi-media control system to lock-out state, by manipulation detection module 104 by being installed on described manipulation screen perimeter and pick-up unit near copilot side detects distance between the hand of co-driver passenger and described manipulation screen, if this distance is less than or equal to predeterminable range, then state handover module 106 by described manipulation screens switch to released state.Wherein, the surveyed area that described pick-up unit is corresponding is towards co-driver.
In this technical scheme, by manipulating screen perimeter and arranging pick-up unit near copilot side, and surveyed area corresponding to this pick-up unit is towards co-driver, make the manipulation that co-driver passenger can realize multi-media control system smoothly, driver then cannot realize, thus both ensure that the drive safety of driver, improve again the drive safety of co-driver passenger.
Wherein, because co-driver passenger is when needs operate manipulation screen, must be realized by hand, thus by detecting the distance between the hand of co-driver passenger and manipulation screen, can when this distance less (being such as less than or equal to predeterminable range), determine that co-driver passenger is because hope operates multi-media control system, thus hand has been stretched to manipulation screen, then by the automatic unlocking (namely switching to released state from lock-out state) to manipulation screen, facilitate the manipulation convenience of co-driver passenger.
Certainly, it is to be noted: although passenger often through hand to realize control action, but when some are comparatively special, passenger also can perform manipulation by other objects hand-held or directly by other objects, thus when manipulating detection module 106 and these mobileses being detected, also should it can be used as the hand of co-driver passenger, and realize the automatic unlocking to manipulation screen.
Particularly, Fig. 2 is the schematic diagram of the cabin interior of the unlocking screen system being provided with embodiment as shown in Figure 1.Wherein, left side is adopted to be drive side 31, right side to be described for the structure of copilot side 32 for the pilothouse of vehicle.
As shown in Figure 2, between driving side 31 and copilot side 32, multi-media control system 1 is provided with, for providing as the function such as digital map navigation, multimedia.Assuming that in multi-media control system 1, be provided with manipulation screen 11, then user by the touch controllable function of this manipulation screen 11 support, can realize the control to multi-media control system 1.
Wherein, by manipulating screen 11 periphery and arranging pick-up unit near copilot side 32, can form surveyed area 2 as shown in Figure 2, this surveyed area 2 is towards copilot side 32.Because co-driver passenger is positioned at copilot side 32, namely the right side shown in Fig. 2, then co-driver passenger is when operating manipulation screen 11, obviously should be to enter region residing for manipulation screen 11 from right side (namely copilot side 32 is relative to the direction of manipulation screen 11); Relatively, driver under normal circumstances, obviously also should enter region residing for manipulation screen 11 from left side (namely driving the direction of side 31 relative to manipulation screen 11).
Therefore, by the reasonable setting to surveyed area 2, (namely corresponding pick-up unit is positioned at manipulation screen 11 periphery and close copilot side 32, and surveyed area 2 is towards copilot side 32), just can avoid the impact of the drive safety on driver, and guarantee co-driver passenger quick, manipulate process easily.
For surveyed area 2 corresponding shown in manipulation detection module 104 as shown in Figure 1 and Fig. 2, below in conjunction with several comparatively preferred specific embodiment, technical scheme of the present invention is described in further detail.
Embodiment one: infrared sensor
Particularly, Fig. 3 shows the schematic diagram being realized manipulation detection by infrared sensor according to an embodiment of the invention.
As shown in Figure 3, according to a comparatively preferred embodiment of the present invention, manipulation detection module 104 as shown in Figure 1 can comprise:
Infrared sensor 21, be arranged at multi-media control system 1 manipulation screen 11 periphery and near copilot side.Particularly, such as this infrared sensor 21 is arranged on above manipulation screen 11, and it is popped one's head in downward-sloping and forms corresponding infrared detection region 2 ' (such as in fig. 2, being positioned at the region, upper right side of manipulation screen 11).
Then, the feedback signal of described infrared sensor 21 is received by controller (not shown), and when mobiles being detected in described infrared detection region 2 ', be judged to be that the hand of co-driver passenger is close to manipulation screen 11, and described manipulation screen 11 is correspondingly switched to released state.
Wherein, those skilled in the art should understand that: infrared sensor 21 can also be positioned at other positions, to be such as arranged at below manipulation screen 11 and to make it pop one's head in be inclined upwardly (such as in fig. 2, being positioned at manipulation region, screen 11 lower right).
Further, in order to strengthen the deflection to copilot side passenger, the infrared probe of the infrared sensor 21 shown in Fig. 3 can also be made to be partial to copilot side (schematic construction shown in composition graphs 2, namely copilot side 32 is partial in the horizontal direction by infrared sensor 21).
Wherein, for the ease of realizing the detection to copilot side passenger, and avoid the erroneous judgement of other actions to copilot side passenger, need to limit the detecting distance in infrared detection region 2 ' and scope, as by the emissive power regulating infrared sensor 21, the maximum distance in infrared detection region 2 ' is made to be 50-100mm (or, according to the actual requirements, the numerical value of this maximum distance can be regulated).Particularly, in such as Fig. 3, the detecting distance farthest of infrared detection region 2 ' in the vertical direction is 50mm, and the detecting distance farthest on the direction of plane residing for manipulation screen 11 is 80mm.
Embodiment two: microwave antenna
Particularly, Fig. 4 shows the schematic diagram being realized manipulation detection by microwave antenna according to an embodiment of the invention.
As shown in Figure 4, according to a comparatively preferred embodiment of the present invention, manipulation detection module 104 as shown in Figure 1 can comprise:
Microwave antenna 22, inside the manipulation screen 11 being arranged at multi-media control system 1, at manipulation screen 11 periphery and form corresponding microwave surveyed area 2 near copilot side ".
Then, the feedback signal of described microwave antenna 22 is received by controller (not shown), and at described microwave surveyed area 2 " in when mobiles being detected; be judged to be that the hand of co-driver passenger is close to manipulation screen 11, and described manipulation screen 11 is correspondingly switched to released state.
Wherein, those skilled in the art should understand that: due to the penetrability of microwave, make it possible to the control panel inside (such as manipulating screen 11 rear) microwave antenna 22 being embedded multi-media control system 1; But in fact, microwave antenna 22 obviously also can be positioned at other positions, be such as arranged at the control panel surface (being namely in same plane with manipulation screen 11 etc.) of multi-media control system 1.
Further, in order to strengthen the deflection to copilot side passenger, the antenna of the microwave antenna 22 shown in Fig. 4 can also be made towards being partial to copilot side (schematic construction shown in composition graphs 2, namely the antenna of microwave antenna 22 is towards being partial to copilot side 32 in the horizontal direction).
Wherein, for the ease of realizing the detection to copilot side passenger, and avoid the erroneous judgement of other actions to copilot side passenger, need microwave surveyed area 2 " detecting distance and scope limit; as by regulating the emissive power of microwave antenna 22; make microwave surveyed area 2 " maximum distance be 50-100mm (or, according to the actual requirements, the numerical value of this maximum distance can be regulated).Particularly, in such as Fig. 4, microwave surveyed area 2 " detecting distance farthest of in the vertical direction is 50mm, and the detecting distance farthest on the direction of plane residing for manipulation screen 11 is being 80mm.
Embodiment three: distance measuring equipment
In embodiment one and embodiment two, respectively by the mode of infrared sensor and microwave antenna, whether the hand measuring co-driver passenger enters in corresponding surveyed area, thus confirms whether the distance between the hand of this co-driver passenger and manipulation screen is less than or equal to predeterminable range.
Therefore, as a comparatively preferred embodiment of the present invention, directly can also be monitored the real-time distance between the hand of co-driver passenger and manipulation screen by distance measuring equipment (not shown), and when this real-time distance is less than or equal to predeterminable range, control manipulation screens switch to released state.
Particularly, this distance measuring equipment can comprise: laser ranging system, supersonic range finder or infrared distance measurement device etc.
3, rights management
According to technical scheme of the present invention, need to detect the distance between the hand of co-driver passenger and the manipulation screen of vehicle mounted multimedia control system, and the state of a control of adjustment manipulation screen accordingly.Therefore, can only when co-driver passenger takes a seat, just perform the scheme such as described in above-described embodiment one to embodiment three, with the detection of realization to the distance between the hand of co-driver passenger and manipulation screen, thus avoid driver imitate the action of co-driver passenger and open manipulation screen, contribute to promoting drive safety further.
Particularly, based on technique scheme, can also comprise in unlocking screen system as shown in Figure 1:
Taking a seat detection module 110, to take a seat situation for detecting co-driver passenger; Control of authority module 112, for when detecting that co-driver passenger takes a seat, allows, according to the distance between the hand of this co-driver passenger and described manipulation screen, to control the state of described manipulation screen; Otherwise do not allow.
Wherein, when co-driver passenger does not take a seat, control of authority module 112 can make manipulation detection module 104 not perform and detect action accordingly, also manipulation detection module 104 can be made corresponding testing result not to be fed back to state handover module 106, state handover module 106 can also be made not respond the testing result that manipulation detection module 104 feeds back, thus state of a control handover module 106 is to the state control authority of manipulation screen.
Further, take a seat detection module 110 specifically for: to be taken a seat induction system or co-driver seat belt reminder systems by the co-driver that vehicle is arranged, detect co-driver passenger and to take a seat situation.
It should be noted that:
Although the present invention proposes the technical scheme of the screen automatic unlocking realized based on manipulation detection module 104 and state handover module 106 etc., the unblock manipulation to manipulation screen obviously also can be realized by other means.
Particularly, can also comprise than screen automatic unlocking system as shown in Figure 1:
Action judge module 114, for judging whether the unlocking screen button whether described manipulation screen is long pressed or presets is triggered; Wherein, described state handover module 106 also for: when the judged result of described action judge module is for being, by described manipulation screens switch to released state.
Fig. 5 shows the schematic flow sheet of screen unlock method according to an embodiment of the invention.
As shown in Figure 5, screen unlock method according to an embodiment of the invention, for vehicle mounted multimedia control system, comprising:
Step 502, when detecting that vehicle enters transport condition, is set to lock-out state by the manipulation screen of vehicle mounted multimedia control system (i.e. MMC system).
Particularly, can detect described vehicle enter transport condition after travel speed, and when described travel speed is more than or equal to pre-set velocity, described manipulation screen is set to lock-out state.
Step 504, detects co-driver passenger and to take a seat situation.If take a seat, then enter step 506, otherwise continue to detect.
Step 506, starts automatic unlocking system.
In this technical scheme, only just start automatic unlocking system when co-driver passenger takes a seat; And when co-driver passenger does not take a seat, by not starting automatic unlocking system, thus avoid driver imitate the action of co-driver passenger and unlock MMC system, contribute to promoting drive safety.
Particularly, the course of work of this automatic unlocking system is as shown in following step:
Step 508, judges that whether co-driver passenger is near screen, specifically refers to that the hand of this co-driver passenger is whether near the manipulation screen of MMC system.
Wherein, such as can pass through the technical scheme in the above embodiments one, embodiment two or embodiment three, the infrared detection region adopting infrared sensor to be formed, the microwave surveyed area of microwave antenna formation or the real-time distance between the hand of co-driver passenger and manipulation screen, and when detecting that the distance between the hand of co-driver passenger and manipulation screen is less than or equal to predeterminable range, judge that co-driver passenger enters step 510 near screen, otherwise continue to judge.
Step 510, manipulation screen automatic unlocking, then co-driver passenger can manipulate MMC system, thus both ensure that the driving safety of driver, and co-driver passenger can be made again to promote traveling enjoyment by MMC system.
Therefore, the present invention, by the detection to vehicle running state, can automatically lock the manipulation screen of multi-media control system, to guarantee the drive safety of driver; Meanwhile, can also judge that its action is intended to according to the distance between the hand of co-driver passenger and manipulation screen, and realize automatic unlocking manipulation screen, thus significantly promote the manipulation convenience of co-driver passenger.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (16)
1. a screen unlock method, for vehicle mounted multimedia control system, is characterized in that, comprising:
When detecting that vehicle enters transport condition, the manipulation screen of vehicle mounted multimedia control system is set to lock-out state;
When described manipulation screen is in the lock state, by being arranged at described manipulation screen perimeter and the surveyed area of close copilot side, detect the distance between the hand of co-driver passenger and described manipulation screen; Wherein, when mobiles being detected in described surveyed area, judge that described distance is less than or equal to predeterminable range, and by described manipulation screens switch to released state.
2. method according to claim 1, is characterized in that, also comprises:
Detect described vehicle enter transport condition after travel speed; And
When described travel speed is more than or equal to pre-set velocity, described manipulation screen is set to lock-out state.
3. method according to claim 1, is characterized in that, described surveyed area comprises: infrared detection region or microwave surveyed area.
4. method according to claim 1, is characterized in that, described surveyed area is towards described copilot side.
5. method according to claim 1, is characterized in that, the detecting distance farthest of described surveyed area is 5-10cm.
6. method according to any one of claim 1 to 5, is characterized in that, before the distance between the hand detecting co-driver passenger and described manipulation screen, also comprises:
Detect co-driver passenger to take a seat situation;
If detect, co-driver passenger takes a seat, then allow, according to the distance between the hand of this co-driver passenger and described manipulation screen, to control the state of described manipulation screen; Otherwise do not allow.
7. method according to claim 6, is characterized in that, also comprises:
Detect co-driver passenger to take a seat situation by take a seat induction system or co-driver seat belt reminder systems of the co-driver that vehicle is arranged.
8. method according to claim 1, is characterized in that, also comprises:
When the unlocking screen button detecting that described manipulation screen is long pressed or presets is triggered, by described manipulation screens switch to released state.
9. a unlocking screen system, for vehicle mounted multimedia control system, is characterized in that, comprising:
Safety locking module, for when detecting that vehicle enters transport condition, is set to lock-out state by the manipulation screen of vehicle mounted multimedia control system;
Manipulation detection module, for when described manipulation screen is in the lock state, by being arranged at described manipulation screen perimeter and the surveyed area of close copilot side, detects the distance between the hand of co-driver passenger and described manipulation screen;
State handover module, during for mobiles being detected in described surveyed area, judges that described distance is less than or equal to predeterminable range, and by described manipulation screens switch to released state.
10. system according to claim 9, is characterized in that, also comprises:
Velocity measuring module, enters the travel speed after transport condition for detecting described vehicle; And
Described safety locking module also for: when described travel speed is more than or equal to pre-set velocity, described manipulation screen is set to lock-out state.
11. systems according to claim 9, is characterized in that, described surveyed area comprises: the infrared detection region formed by infrared sensor, or the microwave surveyed area formed by microwave remote sensor.
12. systems according to claim 9, is characterized in that, described surveyed area is towards described copilot side.
13. systems according to claim 9, is characterized in that, the detecting distance farthest of described surveyed area is 5-10cm.
14. systems according to claim 9, is characterized in that, also comprise:
Taking a seat detection module, to take a seat situation for detecting co-driver passenger;
Control of authority module, for when detecting that co-driver passenger takes a seat, allows, according to the distance between the hand of this co-driver passenger and described manipulation screen, to control the state of described manipulation screen; Otherwise do not allow.
15. systems according to claim 14, is characterized in that, described in take a seat detection module specifically for:
To be taken a seat induction system or co-driver seat belt reminder systems by the co-driver that vehicle is arranged, detect co-driver passenger and to take a seat situation.
16. systems according to claim 9, is characterized in that, also comprise:
Action judge module, for judging whether the unlocking screen button whether described manipulation screen is long pressed or presets is triggered;
Wherein, described state handover module also for: when the judged result of described action judge module is for being, by described manipulation screens switch to released state.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410155437.2A CN103921744B (en) | 2014-04-17 | 2014-04-17 | A kind of unlocking screen method and system thereof |
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| CN201410155437.2A Active CN103921744B (en) | 2014-04-17 | 2014-04-17 | A kind of unlocking screen method and system thereof |
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| CN103921744A (en) | 2014-07-16 |
| CN103921744B (en) | 2016-05-11 |
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Application publication date: 20160413 |