CN104880709A - Crashproof sensor and vehicle crashproof radar system - Google Patents
Crashproof sensor and vehicle crashproof radar system Download PDFInfo
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- CN104880709A CN104880709A CN201510242189.XA CN201510242189A CN104880709A CN 104880709 A CN104880709 A CN 104880709A CN 201510242189 A CN201510242189 A CN 201510242189A CN 104880709 A CN104880709 A CN 104880709A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
Abstract
The application discloses a crashproof sensor and a vehicle crashproof radar system. The crashproof sensor includes: a position information obtaining module for detecting an interface connection state of the crashproof sensor and judging position information of the crashproof sensor according to the interface connection state; and a distance detecting module for obtaining operation state information of a target vehicle and starting detection of surrounding barriers when the operation state information conforms to preset operation state information. In the crashproof sensor disclosed in the application, the interface connection state is able to be adjusted according to the specific position information of the crashproof sensor, and, that is, people can purposefully adjust the interface connection state of the crashproof sensor according to an actual installation position of the crashproof sensor. Therefore, people can flexibly install the crashproof sensor on any preset installation position of the vehicle, and convenience of installation of the crashproof sensor is improved.
Description
Technical field
The present invention relates to collision prevention of vehicle technical field, particularly a kind of obstacle avoidance sensor and collision prevention of vehicle radar system.
Background technology
Current vehicle is generally by adopting the crashproof demand of obstacle avoidance sensor realization to vehicle.But, the particular location of existing obstacle avoidance sensor has just determined in design and solidified early stage, also be, obstacle avoidance sensor can only be installed to the fixed position on vehicle, flexible installation cannot be realized, people also cannot change the particular location of obstacle avoidance sensor on vehicle, are not easy to assemble obstacle avoidance sensor.
Can find out in sum how to realize the flexible installation to obstacle avoidance sensor, thus the convenience improved when assembling obstacle avoidance sensor is current problem demanding prompt solution.
Summary of the invention
In view of this, the object of this invention is to provide a kind of obstacle avoidance sensor and collision prevention of vehicle radar system, achieve the flexible installation to obstacle avoidance sensor, thus improve the convenience when assembling obstacle avoidance sensor.Its concrete scheme is as follows:
The invention discloses a kind of obstacle avoidance sensor, be applied to collision prevention of vehicle radar system; Described obstacle avoidance sensor comprises position information acquisition module and distance measurement module; Described collision prevention of vehicle radar system comprises vehicle intelligent terminal and N number of described obstacle avoidance sensor; Wherein, N be not less than 2 positive integer; Each obstacle avoidance sensor is placed in the diverse location of target vehicle respectively; Described vehicle intelligent terminal comprises display module and operating state information acquisition module;
Described position information acquisition module, for after described collision prevention of vehicle radar system switches on power, the interface connection status of described obstacle avoidance sensor detected, and according to described interface connection status, in conjunction with the one-to-one relationship between the interface connection status preset and positional information, judge the positional information of described obstacle avoidance sensor, and by described display module, described positional information is shown; The interface connection status of described obstacle avoidance sensor is the interface connection status that can adjust accordingly according to the concrete positional information of described obstacle avoidance sensor; The kind quantity of described interface connection status is the positive integer being not less than N;
Described distance measurement module, for obtaining the running state information of the described target vehicle that described operating state information acquisition module acquires arrives, when described running state information conforms to preset operating state information, start the detection to peripheral obstacle, obtain corresponding obstacle distance azimuth information, and by described display module, described obstacle distance azimuth information is shown.
Preferably, described obstacle avoidance sensor also comprises vehicle information request module; Described vehicle information request module, before described interface connection status being detected in described position information acquisition module, by sending vehicle information request instruction to described vehicle intelligent terminal, obtain the vehicle information returned after described vehicle intelligent terminal receives described vehicle information request instruction.
Preferably, the interface of described obstacle avoidance sensor comprises first interface, the second interface, the 3rd interface and the 4th interface; Described interface connection status comprises:
The connection status of described first interface is ground wire connection status;
The connection status of described second interface is data line connection status;
The connection status of described 3rd interface is any one state in data line connection status, vacant state, ground wire connection status and power lead connection status; The connection status of described 4th interface is any one state in data line connection status, vacant state, ground wire connection status and power lead connection status; And in the connection status of the connection status of described 3rd interface and described 4th interface, have one at least for power lead connection status.
The invention also discloses a kind of collision prevention of vehicle radar system, comprise vehicle intelligent terminal and N number of obstacle avoidance sensor, wherein, N be not less than 2 positive integer; Each obstacle avoidance sensor is placed in the diverse location of target vehicle respectively; Described obstacle avoidance sensor comprises position information acquisition module and distance measurement module; Described vehicle intelligent terminal comprises display module and operating state information acquisition module;
Described position information acquisition module, for after described anti-collision radar system switches on power, the interface connection status of described obstacle avoidance sensor detected, and according to described interface connection status, in conjunction with the one-to-one relationship between the interface connection status preset and positional information, judge the positional information of described obstacle avoidance sensor; The interface connection status of described obstacle avoidance sensor is the interface connection status that can adjust accordingly according to the concrete positional information of described obstacle avoidance sensor; The kind quantity of described interface connection status is the positive integer being not less than N;
Described operating state information acquisition module, for gathering the running state information of described target vehicle;
Described distance measurement module, for obtaining described running state information, when described running state information conforms to preset operating state information, starting the detection to peripheral obstacle, obtaining corresponding obstacle distance azimuth information;
Described display module, for obtaining described positional information and described obstacle distance azimuth information, and shows described positional information and described obstacle distance azimuth information.
Preferably, described running state information comprises automobile gear level and car speed; Described preset operating state information comprises the first running state information and the second running state information; Described first running state information is, described automobile gear level is backing car gear; Described second running state information is, described automobile gear level is advance gear, and described car speed is not more than preset vehicle speed.
Preferably, described vehicle intelligent terminal is intelligent instruments in vehicles dish.
Preferably, described obstacle avoidance sensor also comprises vehicle information request module; Described vehicle information request module, before described interface connection status being detected in described position information acquisition module, by sending vehicle information request instruction to described vehicle intelligent terminal, obtain the vehicle information returned after described vehicle intelligent terminal receives described vehicle information request instruction.
Preferably, described obstacle distance azimuth information comprises obstacle distance data value and barrier bearing data value.
Preferably, described collision prevention of vehicle radar system also comprises proximity warner; Described proximity warner, for when described obstacle distance data value is less than or equal to predeterminable range data value, outwardly sends chimes of doom; The frequency of described chimes of doom and volume are all negative correlativing relation with described obstacle distance data value.
Preferably, the interface of described obstacle avoidance sensor comprises first interface, the second interface, the 3rd interface and the 4th interface; Described interface connection status comprises:
The connection status of described first interface is ground wire connection status;
The connection status of described second interface is data line connection status;
The connection status of described 3rd interface is any one state in data line connection status, vacant state, ground wire connection status and power lead connection status; The connection status of described 4th interface is any one state in data line connection status, vacant state, ground wire connection status and power lead connection status; And in the connection status of the connection status of described 3rd interface and described 4th interface, have one at least for power lead connection status.
In the present invention, obstacle avoidance sensor comprises position information acquisition module and distance measurement module.Wherein, position information acquisition module may be used for after collision prevention of vehicle radar system switches on power, the interface connection status of obstacle avoidance sensor detected, and according to interface connection status, in conjunction with the one-to-one relationship between the interface connection status preset and positional information, judge the positional information of obstacle avoidance sensor, thus achieve the automatic identification to the positional information of obstacle avoidance sensor on vehicle.The interface connection status of above-mentioned obstacle avoidance sensor is the interface connection status that can adjust accordingly according to the concrete positional information of obstacle avoidance sensor, also namely people can according to the actual installation position of obstacle avoidance sensor, targetedly the interface connection status of obstacle avoidance sensor is adjusted, like this, obstacle avoidance sensor can be installed to the installation site that vehicle is preset arbitrarily by people neatly, in such as rear left, rear right, rear left, in rear right, front left or front right etc., thus improve the convenience when assembling obstacle avoidance sensor.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is a kind of obstacle avoidance sensor structural representation disclosed in the embodiment of the present invention;
Fig. 2 is another kind of obstacle avoidance sensor structural representation disclosed in the embodiment of the present invention;
Fig. 3 is a kind of collision prevention of vehicle radar system structural representation disclosed in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the invention discloses a kind of obstacle avoidance sensor, be applied to collision prevention of vehicle radar system; Shown in Figure 1, obstacle avoidance sensor 10 comprises position information acquisition module 101 and distance measurement module 102; Collision prevention of vehicle radar system comprises vehicle intelligent terminal and N number of obstacle avoidance sensor; Wherein, N be not less than 2 positive integer; Each obstacle avoidance sensor is placed in the diverse location of target vehicle respectively; Vehicle intelligent terminal comprises display module and operating state information acquisition module;
Position information acquisition module 101, for after collision prevention of vehicle radar system switches on power, the interface connection status of obstacle avoidance sensor detected, and according to interface connection status, in conjunction with the one-to-one relationship between the interface connection status preset and positional information, judge the positional information of obstacle avoidance sensor, and shown by display module location information; The interface connection status of obstacle avoidance sensor is the interface connection status that can adjust accordingly according to the concrete positional information of obstacle avoidance sensor; The kind quantity of interface connection status is the positive integer being not less than N;
Distance measurement module 102, for obtaining the running state information of the target vehicle that operating state information acquisition module acquires arrives, when running state information conforms to preset operating state information, start the detection to peripheral obstacle, obtain corresponding obstacle distance azimuth information, and by display module, obstacle distance azimuth information is shown.
One-to-one relationship is presented between above-mentioned default interface connection status and positional information, also be, a kind of positional information is corresponding with a kind of interface connection status, like this, after the position of laying obstacle avoidance sensor is determined, assembler according to above-mentioned default corresponding relation, can connect each interface of obstacle avoidance sensor accordingly, forms corresponding interface connection status.Position information acquisition module in obstacle avoidance sensor according to interface connection status, can obtain corresponding positional information, and is shown by the display module location information on vehicle intelligent terminal.Certainly, before location information shows, need, by data line, positional information to be sent on display module.Wherein, one end of data line is connected to an interface of obstacle avoidance sensor, and the other end is then connected to display module.Now, the connection status residing for the interface of the obstacle avoidance sensor be connected with above-mentioned data line belongs to a kind of state in above-mentioned interface connection status, i.e. data line connection status.
Fig. 2 is the disclosed another kind of concrete obstacle avoidance sensor structural representation of the embodiment of the present invention.This obstacle avoidance sensor 20 can also comprise vehicle information request module 203.Vehicle information request module 203 is for before interface connection status being detected in position information acquisition module 201, by sending vehicle information request instruction to vehicle intelligent terminal, obtain the vehicle information returned after vehicle intelligent terminal receives vehicle information request instruction.
The interface of this obstacle avoidance sensor can comprise first interface PIN1, the second interface PIN2, the 3rd interface PIN3 and the 4th interface PIN4.Above-mentioned interface connection status comprises:
The connection status of first interface PIN1 is ground wire connection status; The connection status of the second interface PIN2 is data line connection status; The connection status of the 3rd interface PIN3 is any one state in data line connection status, vacant state, ground wire connection status and power lead connection status; The connection status of the 4th interface PIN4 is any one state in data line connection status, vacant state, ground wire connection status and power lead connection status; And in the connection status of the connection status of the 3rd interface PIN3 and the 4th interface PIN4, have one at least for power lead connection status.
Above-mentioned running state information can comprise automobile gear level and car speed.Preset operating state information can comprise the first running state information and the second running state information.Wherein, the first running state information is, automobile gear level is backing car gear; Second running state information is, automobile gear level is advance gear, and car speed is not more than preset vehicle speed.Like this, when the running state information that operating state information acquisition module 201 collects be the first running state information or the second running state information time, distance measurement module 202 will start the detection to peripheral obstacle, obtains corresponding obstacle distance azimuth information.
In the embodiment of the present invention, obstacle avoidance sensor comprises position information acquisition module and distance measurement module.Wherein, position information acquisition module may be used for after collision prevention of vehicle radar system switches on power, the interface connection status of obstacle avoidance sensor detected, and according to interface connection status, in conjunction with the one-to-one relationship between the interface connection status preset and positional information, judge the positional information of obstacle avoidance sensor, thus achieve the automatic identification to the positional information of obstacle avoidance sensor on vehicle.The interface connection status of above-mentioned obstacle avoidance sensor is the interface connection status that can adjust accordingly according to the concrete positional information of obstacle avoidance sensor, also namely people can according to the actual installation position of obstacle avoidance sensor, targetedly the interface connection status of obstacle avoidance sensor is adjusted, like this, obstacle avoidance sensor can be installed to the installation site that vehicle is preset arbitrarily by people neatly, in such as rear left, rear right, rear left, in rear right, front left or front right etc., thus improve the convenience when assembling obstacle avoidance sensor; In addition, obstacle avoidance sensor can also comprise vehicle information request module, and by this vehicle information request module, obstacle avoidance sensor can get the vehicle information of target vehicle.Thus realize the function automatically identifying vehicle.
The embodiment of the invention also discloses a kind of collision prevention of vehicle radar system, comprise vehicle intelligent terminal and N number of obstacle avoidance sensor, wherein, N be not less than 2 positive integer; Each obstacle avoidance sensor is placed in the diverse location of target vehicle respectively; Obstacle avoidance sensor comprises position information acquisition module and distance measurement module; Vehicle intelligent terminal comprises display module and operating state information acquisition module;
Position information acquisition module, for after anti-collision radar system switches on power, the interface connection status of obstacle avoidance sensor detected, and according to interface connection status, in conjunction with the one-to-one relationship between the interface connection status preset and positional information, judge the positional information of obstacle avoidance sensor; The interface connection status of obstacle avoidance sensor is the interface connection status that can adjust accordingly according to the concrete positional information of obstacle avoidance sensor; The kind quantity of interface connection status is the positive integer being not less than N;
Operating state information acquisition module, for gathering the running state information of target vehicle;
Distance measurement module, for obtaining running state information, when running state information conforms to preset operating state information, starting the detection to peripheral obstacle, obtaining corresponding obstacle distance azimuth information;
Display module, for obtaining positional information and obstacle distance azimuth information, and location information and obstacle distance azimuth information show.
Above-mentioned obstacle distance azimuth information comprises obstacle distance data value and barrier bearing data value.
Said system also comprises proximity warner, for when obstacle distance data value is less than or equal to predeterminable range data value, outwardly sends chimes of doom; The frequency of chimes of doom and volume are all negative correlativing relation with obstacle distance data value.
In the present embodiment, running state information can comprise automobile gear level and car speed.Preset operating state information comprises the first running state information and the second running state information; First running state information is, automobile gear level is backing car gear; Second running state information is, automobile gear level is advance gear, and car speed is not more than preset vehicle speed.
In the present embodiment, preferred vehicle intelligent terminal is intelligent instruments in vehicles dish.
Above-mentioned obstacle avoidance sensor can also comprise vehicle information request module, before interface connection status being detected in position information acquisition module, by sending vehicle information request instruction to vehicle intelligent terminal, obtain the vehicle information returned after vehicle intelligent terminal receives vehicle information request instruction.
In the present embodiment, obstacle avoidance sensor comprises four interfaces, is respectively first interface PIN1, the second interface PIN2, the 3rd interface PIN3 and the 4th interface PIN4; Interface connection status comprises:
The connection status of first interface PIN1 is ground wire connection status;
The connection status of the second interface PIN2 is data line connection status;
The connection status of the 3rd interface PIN3 is any one state in data line connection status, vacant state, ground wire connection status and power lead connection status; The connection status of the 4th interface PIN4 is any one state in data line connection status, vacant state, ground wire connection status and power lead connection status; And in the connection status of the connection status of the 3rd interface PIN3 and the 4th interface PIN4, have one at least for power lead connection status
Fig. 3 is a kind of concrete collision prevention of vehicle radar system structural representation disclosed in the embodiment of the present invention.Wherein, this system comprises vehicle intelligent terminal 31 and 6 obstacle avoidance sensors, and vehicle intelligent terminal comprises display module 311 and operating state information acquisition module 312.Each obstacle avoidance sensor includes 4 interfaces, is respectively first interface PIN1, the second interface PIN2, the 3rd interface PIN3 and the 4th interface PIN4.Table one shows the corresponding relation between the positional information of obstacle avoidance sensor in this system and interface connection status.
Table one
As can be seen from Table I, obstacle avoidance sensor presents 6 kinds of different interface connection status.Accordingly, obstacle avoidance sensor can be positioned in 6 different places of target vehicle, be position and rear left position in position, rear left in the front right position of target vehicle, front left position, rear right position, rear right respectively, each interface connection status uniquely correspond to a kind of positional information.
Certainly, according to the demand of reality, the quantity of the obstacle avoidance sensor that target vehicle is installed can be less than 6, also can be greater than 6.
In the embodiment of the present invention, obstacle avoidance sensor comprises position information acquisition module and distance measurement module.Wherein, position information acquisition module may be used for after collision prevention of vehicle radar system switches on power, the interface connection status of obstacle avoidance sensor detected, and according to interface connection status, in conjunction with the one-to-one relationship between the interface connection status preset and positional information, judge the positional information of obstacle avoidance sensor, thus achieve the automatic identification to the positional information of obstacle avoidance sensor on vehicle.The interface connection status of above-mentioned obstacle avoidance sensor is the interface connection status that can adjust accordingly according to the concrete positional information of obstacle avoidance sensor, also namely people can according to the actual installation position of obstacle avoidance sensor, targetedly the interface connection status of obstacle avoidance sensor is adjusted, like this, obstacle avoidance sensor can be installed to the installation site that vehicle is preset arbitrarily by people neatly, in such as rear left, rear right, rear left, in rear right, front left or front right etc., thus improve the convenience when assembling obstacle avoidance sensor; In addition, obstacle avoidance sensor can also comprise vehicle information request module, and by this vehicle information request module, obstacle avoidance sensor can get the vehicle information of target vehicle, thus realizes the function automatically identifying vehicle.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
Above a kind of obstacle avoidance sensor provided by the present invention and collision prevention of vehicle radar system are described in detail, apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. an obstacle avoidance sensor, is characterized in that, is applied to collision prevention of vehicle radar system; Described obstacle avoidance sensor comprises position information acquisition module and distance measurement module; Described collision prevention of vehicle radar system comprises vehicle intelligent terminal and N number of described obstacle avoidance sensor; Wherein, N be not less than 2 positive integer; Each obstacle avoidance sensor is placed in the diverse location of target vehicle respectively; Described vehicle intelligent terminal comprises display module and operating state information acquisition module;
Described position information acquisition module, for after described collision prevention of vehicle radar system switches on power, the interface connection status of described obstacle avoidance sensor detected, and according to described interface connection status, in conjunction with the one-to-one relationship between the interface connection status preset and positional information, judge the positional information of described obstacle avoidance sensor, and by described display module, described positional information is shown; The interface connection status of described obstacle avoidance sensor is the interface connection status that can adjust accordingly according to the concrete positional information of described obstacle avoidance sensor; The kind quantity of described interface connection status is the positive integer being not less than N;
Described distance measurement module, for obtaining the running state information of the described target vehicle that described operating state information acquisition module acquires arrives, when described running state information conforms to preset operating state information, start the detection to peripheral obstacle, obtain corresponding obstacle distance azimuth information, and by described display module, described obstacle distance azimuth information is shown.
2. obstacle avoidance sensor according to claim 1, is characterized in that, also comprises vehicle information request module;
Described vehicle information request module, before described interface connection status being detected in described position information acquisition module, by sending vehicle information request instruction to described vehicle intelligent terminal, obtain the vehicle information returned after described vehicle intelligent terminal receives described vehicle information request instruction.
3. obstacle avoidance sensor according to claim 1 and 2, is characterized in that, the interface of described obstacle avoidance sensor comprises first interface, the second interface, the 3rd interface and the 4th interface; Described interface connection status comprises:
The connection status of described first interface is ground wire connection status;
The connection status of described second interface is data line connection status;
The connection status of described 3rd interface is any one state in data line connection status, vacant state, ground wire connection status and power lead connection status; The connection status of described 4th interface is any one state in data line connection status, vacant state, ground wire connection status and power lead connection status; And in the connection status of the connection status of described 3rd interface and described 4th interface, have one at least for power lead connection status.
4. a collision prevention of vehicle radar system, is characterized in that, comprises vehicle intelligent terminal and N number of obstacle avoidance sensor, wherein, N be not less than 2 positive integer; Each obstacle avoidance sensor is placed in the diverse location of target vehicle respectively; Described obstacle avoidance sensor comprises position information acquisition module and distance measurement module; Described vehicle intelligent terminal comprises display module and operating state information acquisition module;
Described position information acquisition module, for after described anti-collision radar system switches on power, the interface connection status of described obstacle avoidance sensor detected, and according to described interface connection status, in conjunction with the one-to-one relationship between the interface connection status preset and positional information, judge the positional information of described obstacle avoidance sensor; The interface connection status of described obstacle avoidance sensor is the interface connection status that can adjust accordingly according to the concrete positional information of described obstacle avoidance sensor; The kind quantity of described interface connection status is the positive integer being not less than N;
Described operating state information acquisition module, for gathering the running state information of described target vehicle;
Described distance measurement module, for obtaining described running state information, when described running state information conforms to preset operating state information, starting the detection to peripheral obstacle, obtaining corresponding obstacle distance azimuth information;
Described display module, for obtaining described positional information and described obstacle distance azimuth information, and shows described positional information and described obstacle distance azimuth information.
5. collision prevention of vehicle radar system according to claim 4, is characterized in that,
Described running state information comprises automobile gear level and car speed;
Described preset operating state information comprises the first running state information and the second running state information;
Described first running state information is, described automobile gear level is backing car gear;
Described second running state information is, described automobile gear level is advance gear, and described car speed is not more than preset vehicle speed.
6. collision prevention of vehicle radar system according to claim 4, is characterized in that, described vehicle intelligent terminal is intelligent instruments in vehicles dish.
7. collision prevention of vehicle radar system according to claim 4, is characterized in that, described obstacle avoidance sensor also comprises vehicle information request module;
Described vehicle information request module, before described interface connection status being detected in described position information acquisition module, by sending vehicle information request instruction to described vehicle intelligent terminal, obtain the vehicle information returned after described vehicle intelligent terminal receives described vehicle information request instruction.
8. collision prevention of vehicle radar system according to claim 4, is characterized in that, described obstacle distance azimuth information comprises obstacle distance data value and barrier bearing data value.
9. collision prevention of vehicle radar system according to claim 8, is characterized in that, also comprise proximity warner;
Described proximity warner, for when described obstacle distance data value is less than or equal to predeterminable range data value, outwardly sends chimes of doom; The frequency of described chimes of doom and volume are all negative correlativing relation with described obstacle distance data value.
10. the collision prevention of vehicle radar system according to any one of claim 4 to 9, is characterized in that, the interface of described obstacle avoidance sensor comprises first interface, the second interface, the 3rd interface and the 4th interface; Described interface connection status comprises:
The connection status of described first interface is ground wire connection status;
The connection status of described second interface is data line connection status;
The connection status of described 3rd interface is any one state in data line connection status, vacant state, ground wire connection status and power lead connection status; The connection status of described 4th interface is any one state in data line connection status, vacant state, ground wire connection status and power lead connection status; And in the connection status of the connection status of described 3rd interface and described 4th interface, have one at least for power lead connection status.
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Application publication date: 20150902 |