CN202421500U - Vehicle radar system - Google Patents
Vehicle radar system Download PDFInfo
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- CN202421500U CN202421500U CN2011205642340U CN201120564234U CN202421500U CN 202421500 U CN202421500 U CN 202421500U CN 2011205642340 U CN2011205642340 U CN 2011205642340U CN 201120564234 U CN201120564234 U CN 201120564234U CN 202421500 U CN202421500 U CN 202421500U
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- ultrasonic probe
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Abstract
The utility model provides a vehicle radar system which comprises an ultrasonic probe array, a signal bus, mounting position signal ports and a display device. The ultrasonic probe array includes a plurality of ultrasonic probes used for detecting information of obstacles. The signal bus is used for transmission of information among the probes and information of the display device. The mounting position signal ports are used for acquiring mounting position information of the ultrasonic probes. The display device is used for receiving position and distance signals transmitted by a reversing radar system so as to acquire information of the obstacle to remind drivers. A controller arranged additionally is omitted from the vehicle radar system, while vehicle harness is simplified, assembling time is shortened and cost is lowered. Besides, the ultrasonic probes are equative and work independently so that system breakdown caused by damage or abnormality of any of the probes in the existing design scheme without controllers utilized is avoided.
Description
Technical field
The utility model relates to automotive electronic technology, relates in particular to a kind of Radar for vehicle system.
Background technology
Along with the development of automotive electronic technology, the Radar for vehicle system has been widely used at present, is mainly used in the Azimuth & Range of surveying the vehicle body peripheral obstacle, for the driver of vehicle carries from operation with reference.Existing Radar for vehicle is generally launched the ultrasound wave of a CF around vehicle body through ultrasonic probe; And receive the ultrasonic signal that barrier reflects; Through amplifier this ultrasonic signal that returns is amplified the back again and carry out Treatment Analysis by central processing unit; And result exported to suggestion device; Realize surveying the particular location relation that whether has barrier and barrier and vehicle body around the vehicle body with this, and the prompting driver notices or takes brake measure when the distance of vehicle body and barrier reaches the risk distance of setting, thus driver assistance person safe operation.
At present; A kind of common design proposal of Radar for vehicle system adopts a controller to dispose a plurality of ultrasonic probes in the prior art; Controller is controlled the puberty ultrasound wave to all ultrasonic probes, and the feedback signal that regathers the ultrasonic probe reception is carried out the judgement of obstacle distance.In this design proposal, the Radar for vehicle system not only needs Configuration Control Unit to cause cost to increase, and all ultrasonic probes all are parallel to controller through wire harness and cause signal to be subject to disturb easily, has increased car body wire harness cost and assembly cost simultaneously.
The another kind of common no design of Controller scheme of Radar for vehicle system adopts the mode of a plurality of ultrasonic probe series connection communications and specifies fixing ultrasonic probe as main probe in the prior art.In this design proposal, because all ultrasonic probe series connection of Radar for vehicle system, wherein main probe or other any ultrasonic probe damage or operation irregularity will cause whole Radar for vehicle systemic breakdown.
The utility model content
In view of this; The technical matters that the utility model will solve is to overcome the shortcoming and defect that exists in the above-mentioned prior art, and a kind of Radar for vehicle system is provided, and need not Configuration Control Unit; And ultrasonic probe is installed need not distinguish primary and secondary, can reduce car body wire rod cost and assembly cost.
The utility model provides a kind of Radar for vehicle system to comprise ultrasonic probe, installation site signal port, signal bus and display device.Array ultrasonic probe comprises a plurality of ultrasonic probes, and said ultrasonic probe is used for detecting obstacles thing information, and output obstacle distance and position signalling.The installation site signal port is used to obtain the installation site signal of said each ultrasonic probe.Signal bus is used to transmit obstacle distance and the position signalling that said a plurality of ultrasonic probe is exported.Display device obtains obstacle information prompting driver thereby be used to receive said distance and the position signalling that obtains barrier from signal bus.
As the further improvement of the utility model, described Radar for vehicle system also comprises power bus and earth bus.Power bus is used for extremely a plurality of ultrasonic probes of said array ultrasonic probe of transmit outer power supply signal.Earth bus, a plurality of ultrasonic probes that are used to said array ultrasonic probe provide ground connection.
As the further improvement of the utility model, said ultrasonic probe comprises ultrasonic sensor, ultrasonic drive circuit, microprocessor, inquiry location circuit and power circuit.Ultrasonic sensor is used to produce ultrasonic listening signal and receiving feedback signals.Ultrasonic drive circuit is used to drive said ultrasonic sensor.Microprocessor is used to control said ultrasonic drive circuit and exports said distance signal according to said feedback signal.Ask the location circuit, be used to export said position signalling, to discern the position of said ultrasonic probe.Power circuit is used to receive the external power source signal and is said ultrasonic probe power supply.
As the further improvement of the utility model, said ultrasonic probe comprises amplifying circuit, is used to amplify said feedback signal.
As the further improvement of the utility model, said ultrasonic probe comprises ultrasonic sensor, ultrasonic drive circuit, microprocessor and power circuit.Ultrasonic sensor is used to produce ultrasonic listening signal and receiving feedback signals.Ultrasonic drive circuit is used to drive said ultrasonic sensor.Microprocessor is used to control said ultrasonic drive circuit and exports said distance signal according to said feedback signal.Said microprocessor comprises A/D converter, is used to export said position signalling, to discern the position of said ultrasonic probe.Power circuit is used to receive the external power source signal and is said ultrasonic probe power supply.
The Radar for vehicle system that the utility model provides; Utilize signal bus to obtain the distance signal and the position signalling of the barrier that each ultrasonic probe detected in the array ultrasonic probe respectively; Not only need not the additional configuration controller and reduced car body wire harness and built-up time, reduced cost.Simultaneously, the unrelated and dereliction of each ultrasonic probe branch that takes second place in the array ultrasonic probe has avoided arbitrary ultrasonic probe in the existing no design of Controller scheme to damage or operation irregularity then causes the problem of systemic breakdown.
Description of drawings
A kind of embodiment synoptic diagram of the Radar for vehicle system 100 that Fig. 1 provides for the utility model;
The synoptic diagram of a kind of embodiment of ultrasonic probe in the Radar for vehicle system 100 that Fig. 2 provides for the utility model; And
Fig. 3 is the synoptic diagram of the another kind of embodiment of ultrasonic probe in the Radar for vehicle system 100 that provides of the utility model.
Embodiment
Embodiment below in conjunction with accompanying drawing and the utility model is done further explain.
[0014]The synoptic diagram of a kind of embodiment of the Radar for vehicle system 100 that Fig. 1 provides for the utility model.As shown in Figure 1, Radar for vehicle system 100 comprises display device 110, array ultrasonic probe 120, signal bus DATA and position signalling line ID.
Wherein, array ultrasonic probe 120 is used to produce ultrasonic listening input obstacle information.Array ultrasonic probe 120 comprises a plurality of ultrasonic probes.Each ultrasonic probe produces ultrasonic listening input obstacle information respectively, and output distance and position signalling.Signal bus DATA is used for transmitting the distance signal of array ultrasonic probe 120 a plurality of ultrasonic probe outputs.Position signalling line ID is used for transferring the installation site signal of array ultrasonic probe 120 a plurality of ultrasonic probe outputs.Display device 100 is used to receive the position signalling and the distance signal of installation site signal wire ID and signal bus DATA transmission, thereby obtains obstacle information prompting driver.
In the utility model embodiment, the distance signal of each ultrasonic probe output is represented the distance of its barrier that detects and car body in the array ultrasonic probe 120, and the installation site signal is represented its installation site at car body.For ease of understanding the utility model, array ultrasonic probe 120 comprises ultrasonic probe 121, ultrasonic probe 122, ultrasonic probe 123 and ultrasonic probe 124 among Fig. 1.Those skilled in the art should know that the quantity of ultrasonic probe can dispose according to the actual requirements in the array ultrasonic probe 120, do not exceed with the quantity of embodiment in this instructions or the accompanying drawing.
In this embodiment; Ultrasonic probe 121 in the array ultrasonic probe 120, ultrasonic probe 122, ultrasonic probe 123 and ultrasonic probe 124 are installed each position of car body respectively; Produce near the obstacle information of ultrasonic listening input car body respectively and receive the ultrasonic listening signal that barrier reflects, obtain the distance signal of barrier and car body.Display device 110 receives the distance signal that ultrasonic probe 121, ultrasonic probe 122, ultrasonic probe 123 and ultrasonic probe 124 in the array ultrasonic probe 120 are exported respectively through distance signal bus DATA, and receives the position signalling of ultrasonic probe 121, ultrasonic probe 122, ultrasonic probe 123 and ultrasonic probe 124 outputs in the array ultrasonic probe 120 respectively through position signalling line ID.The distance signal that display device 110 is exported according to each ultrasonic probe in the array ultrasonic probe 120 obtains the range information of barrier and car body; And obtain the positional information of barrier and car body, thereby obtain the obstacle information around the car body and point out the driver according to position signalling.
In this embodiment, Radar for vehicle system 100 also comprises power bus IGN and earth bus GND.Wherein, power bus IGN is used for a plurality of ultrasonic probes of transmit outer power supply signal to array ultrasonic probe 120.A plurality of ultrasonic probes that earth bus GND is used to array ultrasonic probe 120 provide ground connection.In other embodiments of the utility model, a plurality of ultrasonic probes of array ultrasonic probe 120 can be distinguished independent power supply and ground connection in the Radar for vehicle system 100.
The Radar for vehicle system 100 that the utility model provides utilizes distance signal bus DATA and position signalling line ID to obtain the distance signal and the position signalling of the barrier that each ultrasonic probe detected in the array ultrasonic probe 120 respectively; Not only need not the additional configuration controller; And reduced car body wire harness and built-up time, reduced cost.Simultaneously, the unrelated and dereliction of each ultrasonic probe branch that takes second place in the array ultrasonic probe 120 has avoided arbitrary ultrasonic probe in the existing no design of Controller scheme to damage or operation irregularity then causes the problem of systemic breakdown.
The synoptic diagram of a kind of embodiment of ultrasonic probe in the Radar for vehicle system 100 that Fig. 2 provides for the utility model.As shown in Figure 2, ultrasonic probe comprises power circuit 210, ultrasonic drive circuit 220, ultrasonic sensor 230, microprocessor 250 and askes location circuit 260.
Wherein, power circuit 210 is used to receive the external power source signal and is the ultrasonic probe power supply.Ultrasonic drive circuit 220 is used to drive ultrasonic sensor 230 and produces the ultrasonic listening signal.Ultrasonic sensor 230 is used to produce ultrasonic listening input barrier, and according to the ultrasonic signal output feedback signal of barrier reflection.Microprocessor 250 is used to control ultrasonic drive circuit 220, and according to the corresponding output distance signal of feedback signal of ultrasonic sensor 230 output.Ask location circuit 260 and be used for the outgoing position signal, with the position of identification ultrasonic probe.
In this embodiment, ask location module 260 according to the installation site of ultrasonic probe at car body, corresponding position signalling is set, with the relevant position of expression car body.Ultrasonic probe 121, ultrasonic probe 122, ultrasonic probe 123 and ultrasonic probe 124 are installed on the car body diverse location respectively in the array ultrasonic probe 120; Ask location circuit 260 in ultrasonic probe 121, ultrasonic probe 122, ultrasonic probe 123 and the ultrasonic probe 124 different position signallings is set respectively, to represent the diverse location of car body respectively.The distance signal of the position signalling of display device 110 receiving position signal bus ID transmission and distance signal bus DATA transmission can be according to the pairing car body of the pairing barrier of position signalling judging distance signal position.
In this embodiment, ultrasonic probe also comprises amplifying circuit 240.Amplifying circuit 240 is used to amplify the feedback signal of ultrasonic sensor 240 outputs.
Fig. 3 is the synoptic diagram of the another kind of embodiment of ultrasonic probe in the Radar for vehicle system 100 that provides of the utility model.As shown in Figure 3, ultrasonic probe comprises power circuit 210, ultrasonic drive circuit 220, ultrasonic sensor 230 and microprocessor 250.
Wherein, power circuit 210 is used to receive the external power source signal and is the ultrasonic probe power supply.Ultrasonic drive circuit 220 is used to drive ultrasonic sensor 230 and produces the ultrasonic listening signal.Ultrasonic sensor 230 is used to produce ultrasonic listening input barrier, and according to the ultrasonic signal output feedback signal of barrier reflection.Microprocessor 250 is used to control ultrasonic drive circuit 220, and according to the corresponding output distance signal of feedback signal of ultrasonic sensor 230 output.Microprocessor 250 also comprises A/D converter 251, is used for the outgoing position signal, with the position of identification ultrasonic probe.
In this embodiment, A/D converter 251 is provided with corresponding position signalling according to the installation site of ultrasonic probe at car body, with the relevant position of expression car body.Ultrasonic probe 121, ultrasonic probe 122, ultrasonic probe 123 and ultrasonic probe 124 are installed on the car body diverse location respectively in the array ultrasonic probe 120; A/D converter 251 is provided with different position signallings respectively in ultrasonic probe 121, ultrasonic probe 122, ultrasonic probe 123 and the ultrasonic probe 124, to represent the diverse location of car body respectively.The distance signal of the position signalling of display device 110 receiving position signal bus ID transmission and distance signal bus DATA transmission can be according to the pairing car body of the pairing barrier of position signalling judging distance signal position.
In this embodiment, ultrasonic probe also comprises amplifying circuit 240.Amplifying circuit 240 is used to amplify the feedback signal of ultrasonic sensor 240 outputs.
The Radar for vehicle system 100 that the utility model provides utilizes distance signal bus DATA and position signalling bus ID to obtain the distance signal and the position signalling of the barrier that each ultrasonic probe detected in the array ultrasonic probe 120 respectively; Not only need not the additional configuration controller and reduced car body wire harness and built-up time, reduced cost.Simultaneously, the unrelated and dereliction of each ultrasonic probe branch that takes second place in the array ultrasonic probe 120 has avoided arbitrary ultrasonic probe in the existing no design of Controller scheme to damage or operation irregularity then causes the problem of systemic breakdown.
Above content is the further explain that combines concrete preferred implementation that the utility model is done, and can not assert that the practical implementation of the utility model is confined to these explanations.For the those of ordinary skill of technical field under the utility model, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be regarded as belonging to the protection domain of the utility model.
Claims (6)
1. a Radar for vehicle system is characterized in that, comprising:
Array ultrasonic probe comprises being used for detecting obstacles thing information, and exports a plurality of ultrasonic probes of distance signal and alert locations signal respectively;
Be used to obtain the position signalling port of said each ultrasonic probe installation site;
Be used to transmit the signal bus that said a plurality of ultrasonic probe is exported the information of barriers; And
Be used to receive the said display device that obtains obstacle information prompting driver from signal bus.
2. Radar for vehicle according to claim 1 system is characterized in that, also comprises:
The power bus that is used for a plurality of ultrasonic probes of transmit outer power supply signal to said array ultrasonic probe; And
The a plurality of ultrasonic probes that are used to said array ultrasonic probe provide the earth bus of ground connection.
3. Radar for vehicle according to claim 1 system is characterized in that said ultrasonic probe comprises:
Be used to produce the ultrasonic sensor of ultrasonic listening signal and receiving feedback signals;
Be used to drive the ultrasonic drive circuit of said ultrasonic sensor;
Be used to control said ultrasonic drive circuit and export said distance signal microprocessor according to said feedback signal;
Be used to export said installation site signal, with the inquiry location circuit of the position of discerning said ultrasonic probe; And
Be used to receive the power circuit that the external power source signal is also supplied power for said ultrasonic probe.
4. Radar for vehicle according to claim 3 system is characterized in that said ultrasonic probe comprises:
Be used to amplify the amplifying circuit of said feedback signal.
5. Radar for vehicle according to claim 1 system is characterized in that said ultrasonic probe comprises:
Be used to produce the ultrasonic sensor of ultrasonic listening information and receiving feedback signals;
Be used to drive the ultrasonic drive circuit of said ultrasonic sensor;
Be used to control said ultrasonic drive circuit and export the microprocessor of said distance signal according to said feedback signal, said microprocessor comprises:
Be used to export the position signalling port of said installation site signal, to discern the position A/D converter of said ultrasonic probe; And
Be used to receive the power circuit that the external power source signal is also supplied power for said ultrasonic probe.
6. Radar for vehicle according to claim 5 system is characterized in that said ultrasonic probe comprises:
Be used to amplify the amplifying circuit of said feedback signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205642340U CN202421500U (en) | 2011-12-29 | 2011-12-29 | Vehicle radar system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205642340U CN202421500U (en) | 2011-12-29 | 2011-12-29 | Vehicle radar system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202421500U true CN202421500U (en) | 2012-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205642340U Expired - Lifetime CN202421500U (en) | 2011-12-29 | 2011-12-29 | Vehicle radar system |
Country Status (1)
| Country | Link |
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| CN (1) | CN202421500U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015172680A1 (en) * | 2014-05-14 | 2015-11-19 | 林海明 | Parking radar digital probe module capable of rapidly positioning probe id and id positioning method thereof |
| WO2017148235A1 (en) * | 2016-03-04 | 2017-09-08 | 余晓鹏 | Off-host parking radar system and control method |
| CN108318885A (en) * | 2018-05-08 | 2018-07-24 | 清华大学苏州汽车研究院（吴江） | A kind of ultrasonic sensor |
-
2011
- 2011-12-29 CN CN2011205642340U patent/CN202421500U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015172680A1 (en) * | 2014-05-14 | 2015-11-19 | 林海明 | Parking radar digital probe module capable of rapidly positioning probe id and id positioning method thereof |
| WO2017148235A1 (en) * | 2016-03-04 | 2017-09-08 | 余晓鹏 | Off-host parking radar system and control method |
| CN108318885A (en) * | 2018-05-08 | 2018-07-24 | 清华大学苏州汽车研究院（吴江） | A kind of ultrasonic sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 Guangdong city of Shenzhen province Baoan District Dalang Street Industrial Park Road House Science and Technology Park Patentee after: Shenzhen Longhorn Automotive Electronics Equipment Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Baoan District Dalang Street Industrial Park Road House Science and Technology Park Patentee before: Shenzhen Boen Auto Electronic Equipment Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |
|
| CX01 | Expiry of patent term |