CN108062846A - Safety alarm device and the object wearing device with safety alarm device - Google Patents
Safety alarm device and the object wearing device with safety alarm device Download PDFInfo
- Publication number
- CN108062846A CN108062846A CN201610981641.9A CN201610981641A CN108062846A CN 108062846 A CN108062846 A CN 108062846A CN 201610981641 A CN201610981641 A CN 201610981641A CN 108062846 A CN108062846 A CN 108062846A
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- CN
- China
- Prior art keywords
- processor
- safety alarm
- image frame
- alarm device
- warning
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/166—Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes
Abstract
The present invention provides a kind of safety alarm devices, and suitable for an object wearing device, this object wearing device includes an image frame device for shooting, a processor and an attention device.For image frame device for shooting to shoot continuous multiple image frames, these image frames are at least associated with the scene at object wearing device rear.Processor is electrically connected at image frame device for shooting, processor to when the translational speed of the object occurred in these image frames be more than one warning speed and object and safety alarm device between a relative distance be less than or equal to one warning apart from when, output one warning drive signal.Attention device is electrically connected at processor, and attention device is according to warning drive signal, sending warning.Thereby, it is possible to provide active hazards prevention mechanism.
Description
Technical field
The present invention relates to a kind of traffic safety preventing mechanisms, particularly a kind of peace for providing active hazards prevention mechanism
Full alarming device and the object wearing device with safety alarm device.
Background technology
Safety cap is all that important cycling is equipped in countries in the world, the comparable height of popularity rate.Safety cap was simply focused in the past
Security, but in recent years in the case where scientific and technological constantly flourishing and traffic safety and convenient demand property are higher and higher,
The novel science and technology of safety cap collocation has been a trend.
Safety cap is passive type security protection mostly at present, that is to say, that can be used for protecting head at the time of emergency
Injury is allowed to be preferably minimized.Therefore, if safety cap can arrange in pairs or groups active hazards prevention mechanism, machine will be greatly reduced
The probability that vehicle knight gets into an accident.
The content of the invention
It is an object of the invention to provide a kind of safety alarm device and with safety alarm device object wearing device, pass through
The vehicle traveling situation arround user, and the danger that may actively occur to user's warning according to detecting result are actively detected,
Thereby account for the problem of existing safety cap can not provide active hazards prevention mechanism.
According to an embodiment, the present invention provides a kind of safety alarm device, this safety alarm device is suitable for a wearing and fills
It puts, this object wearing device includes an image frame device for shooting, a processor and an attention device.Image frame device for shooting is continuous to shoot
Multiple image frames, these image frames are at least correlated in the scene at object wearing device rear.Processor is electrically connected at image frame bat
Take the photograph device, processor to work as a translational speed of an object occurred in these image frames more than a warning speed and object with
A relative distance between safety alarm device be less than or equal to a warning apart from when, one warning drive signal of output.Attention device
It is electrically connected at processor, attention device is according to warning drive signal, sending warning.
According to another embodiment, processor more when the moving direction of object is towards safety alarm device, drive by output warning
Dynamic signal.
According to another embodiment, each image frame has corresponding shooting time point, and processor more passes through a ranging mould
Type compares these image frames, to estimate the relative distance in each image frame between object and safety alarm device, and handles
Device is according to these relative distances and corresponding shooting time point, the translational speed of computing object.
According to another embodiment, above-mentioned ranging model is an acquiescence ranging model or ranging model is in image frame
After device for shooting shoots a static image frame and obtains an image frame coordinate data by processor analysis static image frame, by
Reason device is established according to the relation table and image frame coordinate data of an image frame coordinate pair actual range.
According to another embodiment, processor more according to the model of the vehicle where the height of a user, user or
It is combined, and adjusts ranging model.
According to another embodiment, safety alarm device further includes a locator.Locator is electrically connected at processor, positioning
Device is used to detect the position of safety alarm device and generates a corresponding location information.Processor more according to location information, is looked into
A position is looked for correspond to speed limit relation table, to obtain the corresponding warning speed of location information.
According to another embodiment, these image frames more correlate the scene in front of object wearing device, and when object is that occur
In the scene for being presented in front of object wearing device in these image frames, and when processor judges the moving direction and peace of this object
When the moving direction of full alarming device intersects at a plotted point, processor estimates one first that object is reached needed for plotted point and estimates
It time and estimates safety alarm device and reaches one second estimated time needed for plotted point, when the first estimated time and second pre-
When estimating the difference between the time less than a Security alert value, processor output warning drive signal.
According to an embodiment, the present invention provides a kind of object wearing device, this object wearing device includes above-mentioned one of embodiment
Safety alarm device.
According to an embodiment, above-mentioned object wearing device is a safety cap.
Disclosed herein safety alarm device by image frame device for shooting shooting at least correlate in object wearing device rear
Continuous multiple image frames of scene and a translational speed of an object occurred by processor in these image frames
More than one warning speed and object and safety alarm device between a relative distance be less than or equal to one warning apart from when, it is defeated
Go out a warning drive signal, attention device is made to send warning.Thereby, user can obtain the unsolicited peace of safety alarm device
Full prompting, and then the danger that may occur is avoided ahead of time.The present invention is associated with a kind of safety alarm device, and can solve existing object
Driving present in networking framework lacks the problem of active safety monitoring.
Above explanation and embodiment below on this disclosure illustrates to be to demonstrate and explain this hair
Bright spirit and principle, and the explanation of the patent claim of the present invention further is provided.
Description of the drawings
Fig. 1 is arranged at the schematic diagram of object wearing device for the safety alarm device according to depicted in one embodiment of the invention；
Fig. 2 is the functional block diagram of the safety alarm device according to depicted in one embodiment of the invention；
Fig. 3 is schematic diagram of the vehicle with left and right Lai Che of the user according to depicted in one embodiment of the invention.
In figure
1 safety alarm device
2 object wearing devices
The vehicle of 3 users
Vehicle is carried out in 4 lefts
5 plotted points
10 image frame device for shooting
20 reservoirs
30 processors
40 attention devices
50 locators
L air line distances
Specific embodiment
The specific embodiment of the present invention is described in more detail below in conjunction with schematic diagram.According to description below and
Claims, advantages and features of the invention will become apparent from.It should be noted that attached drawing is using very simplified form and
Using non-accurate ratio, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.
Shown in please referring to Fig.1, Fig. 1 is that the safety alarm device according to depicted in one embodiment of the invention is arranged at wearing dress
The schematic diagram and Fig. 2 put are the functional block diagram of the safety alarm device according to depicted in one embodiment of the invention.Such as Fig. 1
Shown in Fig. 2, safety alarm device 1 be suitable for an object wearing device, and safety alarm device 1 include an image frame device for shooting 10,
One reservoir 20, a processor 30 and an attention device 40.Processor 30 is electrically connected at image frame device for shooting 10, reservoir 20
And attention device 40.
Object wearing device 2 include but not limited to safety cap, cap or other can install or set automatic help-seeking device 1 and for
The device of user's wearing.In order to clearly illustrate present invention, following embodiment is all that the safety cap worn with locomotive knight is made
For the example of object wearing device 2, as shown in Figure 1.Although in icon, object wearing device 2 is that the safety cap worn with locomotive knight is made
For demonstration example, but the present invention is not intended to limit the type of object wearing device 2 herein.
In one embodiment, safety alarm device 1 is removably disposed on object wearing device 2；In another embodiment, pacify
Full alarming device 1 can be directly produced on object wearing device 2, and partly or wholly outside object wearing device 2；Another real
It applies in example, safety alarm device 1 can be directly embedded in object wearing device 2.Although in icon, safety alarm device 1 is to set
It on object wearing device 2 and is exposed on outside object wearing device 2, but the present invention is not intended to limit safety alarm device 1 and is arranged at and wears herein
Wear the mode of device 2.
These image frames are stored in reservoir 20 by image frame device for shooting 10 to shoot continuous multiple image frames.
In one embodiment, image frame device for shooting 10 can be a backsight camera lens, therefore image frame device for shooting 10 shoots these shadows obtained
As frame is correlated in the scene at object wearing device rear.In another embodiment, image frame device for shooting 10 can be full shot, therefore remove
Beyond the scene at object wearing device rear, these image frames that the shooting of image frame device for shooting 10 obtains more are correlated in wearing connection
Scene in front of device.However, the present invention is not intended to limit the embodiment aspect of image frame device for shooting 10.
Processor 30 is more than one to work as a translational speed of for example, an object of vehicle occurred in these image frames
Guard against the relative distance between speed and this object and safety alarm device 1 be less than or equal to a warning apart from when, output
One warning drive signal.In other words, when the object to be higher than speed to a certain degree into being with safety alarm device 1
When in one fence coverage of the heart, processor 30 will export a warning drive signal to attention device 40, and attention device 40 is made to send warning.
Specifically, these image frames that the shooting of image frame device for shooting 10 obtains are respectively provided with corresponding shooting time point, because herein
Reason device 30 can compare these image frames by a ranging model, be filled with estimating object described in each image frame with security warning
Put the relative distance between 1.Also, processor 30 can be according to these relative distances and corresponding shooting time point, computing object
Translational speed.As long as object is entered using the speed for being greater than or equal to warning speed to guard against distance as in the fence coverage of radius
When, processor 30 can export warning drive signal.For example, ranging model may be the vehicle using in image frame lower section as
Measuring basis, when the relative distance between the lower section of vehicle and safety alarm device 1 be less than or equal to one warning apart from when, place
Reason device 30 can export a warning drive signal.
In one embodiment, above-mentioned ranging model is an acquiescence ranging model.That is, this ranging model is to pacify
Full alarming device 1 has been established before dispatching from the factory according to the data of existing analytical database.In another embodiment, ranging model is
The image frame obtained after safety alarm device 1 dispatches from the factory using captured in real-time is established.In detail, processor 30 has a shadow
A static image frame is shot as frame coordinate is to the relation table of actual range, therefore in image frame device for shooting 10 and by processor 30
After analyzing this static image frame and obtaining an image frame coordinate data, by processor 30 according to this image frame coordinate pair actual range
Relation table and image frame coordinate data established.
Further, since the height of the vehicle of the height or riding of user can influence the image frame of safety alarm device 1
Device for shooting 10 filmed image frame height, and then estimating for safety alarm device 1 and the distance between object may be influenced, because
This in one embodiment, processor 30 can be further in accordance with the model of the vehicle where the height of user, user
Or its combination, adjust above-mentioned ranging model.In detail, user can pass through additional application software or safety alarm device
1 input operate interface inputs the height of oneself, the model of the vehicle rided or other parameter data to security warning and fills at any time
It puts 1 or changes these supplemental characteristics.Thus, the ranging model by fine tuning can be more in line with actual ranging
It needs.
In other examples, processor 30 judges a moving direction of object by image frame analytical technology, and
When the moving direction of object is towards safety alarm device 1, processor 30 can export above-mentioned warning drive signal.In other words
Say, safety alarm device 1 is warned only for back car, but ignore positioned at user rear but with the vehicle of user
The opposite vehicle of direct of travel.Thereby, the situation that false alarm can be avoided to show.
Further, since different regional, different sections have the different situation of speed limit.For example, in urban district
Upper speed limit is 50km or so, and the upper speed limit in highway is 90km or so.Therefore, if can be selected according to these situations suitable
The situation of warning wrong report will can be greatly reduced in the warning speed of conjunction.It refer again to shown in Fig. 2, safety alarm device 1 further includes one
Locator 50.This locator 50 is electrically connected at processor 30, locator 50 to detect the position of safety alarm device 1, by
To generate a corresponding location information.Processor 30 more according to above-mentioned location information, searches a position and corresponds to speed limit relation table,
To obtain the corresponding warning speed of location information.
Above-mentioned warned for the vehicle at user rear, however the present invention can be further directed to user front
Left and right Lai Che is warned.Shown in please referring to Fig.3, Fig. 3 be the user according to depicted in one embodiment of the invention vehicle with
The schematic diagram of left and right Lai Che.Camera lens is warned by front view lens or entirely, is obtained captured by the image frame device for shooting 10 of safety alarm device 1
The multiple image frames obtained can be correlated in the scene in 2 front of object wearing device, and are presented when object occurs from these image frames
In the scene in 2 front of object wearing device, and processor 30 judges the moving direction of object and the mobile side of safety alarm device 1
To when can intersect at a plotted point, processor 30 estimates object and reaches one first estimated time needed for this plotted point and estimate
Safety alarm device 1 reaches one second estimated time needed for this plotted point.When the first estimated time and the second estimated time it
Between difference be less than a Security alert value when, processor 30 output warning drive signal.
In practical operation, processor 30 by image frame analytical technology and coordinates above-mentioned distance measuring method first, analysis
The captured multiple image frames obtained of image frame device for shooting 10, to obtain the vehicle 3 (i.e. safety alarm device 1) of user to a left side
Side come the air line distance L of vehicle 4, user vehicle 3 speed and moving direction and left come the speed and moving direction of vehicle 4.
After the vehicle 3 and left for obtaining user carry out the moving direction of vehicle 4, processor 30 can estimate user by trigonometric function
Vehicle 3 and left carry out the point 5 that vehicle 4 may intersect.After the position of plotted point 5 is learnt, processor 30, which further estimates, to be made
The vehicle 3 of user to plotted point 5 distance and estimate left come vehicle 4 arrive plotted point 5 distance.Utilize the vehicle 3 of user
The vehicle 3 of speed and user arrive the distance of plotted point 5, and processor 30 can calculate the vehicle 3 of user from current position
To one first estimated time needed for plotted point 5.Meanwhile plotted point 5 is arrived come vehicle 4 using left come the speed of vehicle 4 and left
Distance, processor 30 can calculate left and carry out one second estimated time needed for vehicle 4 from current position to plotted point 5.When
When difference between first estimated time and the second estimated time is less than a Security alert value, vehicle 3 and the left side of user are represented
Side carrys out vehicle 4 and is likely to reach plotted point 5 at much the same time point, that is to say, that vehicle 4 is carried out in the vehicle 3 of user and left
It is likely to hit.At this point, the output warning drive signal of processor 30, makes attention device 40 send warning, is used with reminding
Person.
Refer again to shown in Fig. 2, in one embodiment, above-mentioned attention device 40 may be, for example, an indicator light, a buzzer,
Other devices that can make a sound or any combination thereof.The present invention is not intended to limit the embodiment aspect of attention device 40.
In summary described, safety alarm device of the invention is at least correlated by the shooting of image frame device for shooting to be filled in wearing
Continuous multiple image frames of the scene for the side of postponing and a shifting of an object occurred by processor in these image frames
Dynamic speed be more than the relative distance between a warning speed and object and safety alarm device be less than or equal to a warning away from
From when, output one warning drive signal, attention device is made to send warning.Thereby, user can obtain safety alarm device actively
The safety instruction of offer, and then the danger that may occur is avoided ahead of time.
The preferred embodiment of the present invention is above are only, does not play the role of any restrictions to the present invention.Belonging to any
Those skilled in the art, in the range of technical scheme is not departed from, to the invention discloses technical solution and
Technology contents make the variations such as any type of equivalent substitution or modification, belong to the content without departing from technical scheme, still
Within belonging to the scope of protection of the present invention.
Claims (10)
1. a kind of safety alarm device, suitable for an object wearing device, which is characterized in that include：
One image frame device for shooting, to shoot continuous multiple image frames, the multiple image frame is at least correlated in the wearing
The scene at device rear；
One processor, is electrically connected at the image frame device for shooting, and the processor occurs to work as in the multiple image frame
A translational speed of an object be more than one opposite between a warning speed and the object and the safety alarm device
Distance be less than or equal to one warning apart from when, output one warning drive signal；And
One attention device, is electrically connected at the processor, and the attention device is according to the warning drive signal, sending police
Show.
2. safety alarm device as described in claim 1, which is characterized in that the processor is more in a movement of the object
When direction is towards the safety alarm device, the warning drive signal is exported.
3. safety alarm device as described in claim 1, which is characterized in that each image frame has a corresponding shooting time
Point, the processor more by a ranging model, compare the multiple image frame, to estimate object described in each image frame
The relative distance between the safety alarm device, and the processor according to these relative distances and it is corresponding this
A little shooting time points calculate the translational speed of the object.
4. safety alarm device as claimed in claim 3, which is characterized in that the ranging model is an acquiescence ranging model,
Or the ranging model is to shoot a static image frame and as described in processor analysis in the image frame device for shooting
Static image frame and after obtaining an image frame coordinate data, by the processor according to the pass of an image frame coordinate pair actual range
It is that table and the image frame coordinate data are established.
5. the safety alarm device as described in claim 3 or 4, which is characterized in that the processor is more according to a user's
The model of a vehicle where height, the user or its combination, adjust the ranging model.
6. the safety alarm device as described in claim 3 or 4, which is characterized in that further include：
One locator is electrically connected at the processor, the locator to detect the position of the safety alarm device, by
To generate a corresponding location information；
Wherein, the processor searches a position and corresponds to speed limit relation table, to obtain the position more according to the location information
The corresponding warning speed of information.
7. the safety alarm device as described in claim 3 or 4, which is characterized in that the multiple image frame is more correlated in described
Scene in front of object wearing device, and presented when the object occurs from the multiple image frame in front of the object wearing device
Scene in, and when the processor judges the moving direction of the object and the moving direction of the safety alarm device
When intersecting at a plotted point, the processor estimate the object reach one first estimated time needed for the plotted point and
It estimates the safety alarm device and reaches one second estimated time needed for the plotted point, when first estimated time and the
When difference between two estimated times is less than a Security alert value, the processor exports the warning drive signal.
8. safety alarm device as described in claim 1, which is characterized in that the object wearing device is a safety cap.
9. a kind of object wearing device, which is characterized in that include the safety alarm device as described in any one in claim 1-8.
10. object wearing device as claimed in claim 9, which is characterized in that the object wearing device is a safety cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610981641.9A CN108062846A (en) | 2016-11-08 | 2016-11-08 | Safety alarm device and the object wearing device with safety alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610981641.9A CN108062846A (en) | 2016-11-08 | 2016-11-08 | Safety alarm device and the object wearing device with safety alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108062846A true CN108062846A (en) | 2018-05-22 |
Family
ID=62136926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610981641.9A Pending CN108062846A (en) | 2016-11-08 | 2016-11-08 | Safety alarm device and the object wearing device with safety alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108062846A (en) |
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| CN109243150A (en) * | 2018-09-30 | 2019-01-18 | 深圳市金豪泰科技有限公司 | A kind of vehicle early warning method and terminal |
| CN110032414A (en) * | 2019-03-06 | 2019-07-19 | 联想企业解决方案(新加坡)有限公司 | Apparatus and method for secure user authentication in remote console mode |
| CN110072062A (en) * | 2019-05-31 | 2019-07-30 | Oppo广东移动通信有限公司 | A kind of safety prompt function method and device, terminal, storage medium |
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Application publication date: 20180522 |