CN102141614B - Method for connecting multiple probes of hostless parking radar system - Google Patents
Method for connecting multiple probes of hostless parking radar system Download PDFInfo
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- CN102141614B CN102141614B CN 201110001731 CN201110001731A CN102141614B CN 102141614 B CN102141614 B CN 102141614B CN 201110001731 CN201110001731 CN 201110001731 CN 201110001731 A CN201110001731 A CN 201110001731A CN 102141614 B CN102141614 B CN 102141614B
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- 238000010586 diagram Methods 0.000 description 5
- 238000002604 ultrasonography Methods 0.000 description 4
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- 230000032798 delamination Effects 0.000 description 2
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Abstract
The invention discloses a method for connecting multiple probes of a hostless parking radar system, which comprises the following steps of: 1, dividing the multiple probes into a plurality of groups, wherein each group of probes are connected in series, and in each group of probes, the probe arranged at the end part is a main node of the group of probes; 2, dividing the plurality of groups of probes into different layers, wherein one of the different layers is formed by each group of probes; and 3, connecting the main node of the group of probes arranged at a lower layer with the group of probes arranged at an upper layer, wherein the main node of the group of probes arranged at the lower layer serves as a slave node of the group of probes arranged at the upper layer relative to the lower layer. By the method disclosed by the invention, higher corresponding speed of the multiple probes is reached, and the function of simplifying wire harnesses can be realized.
Description
Technical field
The present invention relates to the parking assisting system field, relate in particular the multi-probe method of attachment of a kind of host-free parking radar system.
Background technology
As shown in Figure 1, traditional parking radar system generally comprises control enclosure 81, a plurality of sensor 82 and at least one reminiscences 83, these a plurality of sensors 82 are connected with control enclosure 81 respectively, and under the control of control enclosure 81 and mutually co-ordination, wherein each sensor 82 respectively obstruction detection data and all be transferred to control enclosure 81 and process, this control enclosure 81 is analyzed the distance of above-mentioned data and disturbance in judgement thing, when obstacle distance did not satisfy predetermined condition, these control enclosure 81 reminder announced devices 83 were also reported to the police.These a plurality of sensors 82 are because work requirements all need be laid in the vehicle body outside of automobile, and for example on front/rear collision bumper, 81 need of this control enclosure are located in car.Because sensor 82 numbers of using can reach 4 left and right usually; and the laying that need to keep at a certain distance away; therefore can cause signal between sensor 82 and control enclosure 81 to transmit and power feed etc. very complicated; it not only can increase line cost, and long data line also easily causes interference.
For the problems referred to above, people have developed the reverse radar system of off pattern, specifically can be referring to the disclosed astern radar device without control enclosure of Chinese invention patent CN1892249A, as shown in Figure 2, it comprises at least one main sensor 91 and one or more subordinate sensor 92, the reverse radar system of its formation is in order to realize the communication between main sensor and each subordinate sensor, need to adopt the pattern of time-division processing, particularly when the quantity of probe was increased to some, wire harness connected complicated and has the long problem of detect cycle.
In view of this, the inventor has this case to produce for the defects further investigation that has the parking radar system now then.
Summary of the invention
The object of the present invention is to provide the multi-probe method of attachment of a kind of host-free parking radar system, can cause the long problem of detect cycle to solve when in prior art, probe quantity increases.
In order to reach above-mentioned purpose, solution of the present invention is:
The multi-probe method of attachment of a kind of host-free parking radar system wherein, comprises the steps:
A, a plurality of probes are divided into many groups, and every group of probe inside is all to adopt cascaded structure to interconnect, in every group of probe, is positioned at the host node that the probe of end is popped one's head in for this group;
B, will organize probe more and divide into different layers, popping one's head in for every group consists of wherein one deck;
C, the host node that will be positioned at one group of lower floor probe are connected with one group of probe on upper strata, during wherein the host node of one of this lower floor group of probe is popped one's head in as a group of relative its last layer from node.
Further, this each probe includes communication module, this communication module comprises first interface module, the second interface module and the analog switch that all is connected with the probe microprocessor, this first interface module and the second interface module are outwards drawn respectively and are formed the first terminal and the second terminal, and this analog switch is connected to and also can makes via microprocessor-based control the first terminal and the second terminal information interconnected between this first terminal and the second terminal; The first terminal of this each probe all is connected with the second terminal adjacent or the last layer probe by internal network and forms cascaded structure, and the first terminal or the second terminal that are positioned at the probe of end in this superiors' probe pass to alarm by external network with warning message.
Further, this external network also is connected with for carrying out the bus module of exchanges data with sensor.
Further, this internal network is mongline two-way communication.
Further, this external network adopts LIN bus or CAN bus to build.
After adopting said structure, the multi-probe method of attachment of a kind of host-free parking radar system that the present invention relates to, adopt the network structure of the many groups of layering, thereby can make data carry out Delamination Transmission, can carry out simultaneously transmission and cross-layer transmission in layer, thereby greatly increased the efficient of data transmission, thereby can solve the off radar problem that the work period is long, the response time is slow in connecting of popping one's head in more.Pop one's head in due to every group simultaneously and respectively all adopt the connected mode of single-line series between the group probe, thereby can reach the effect that wire harness is simplified most.
Description of drawings
Fig. 1 is the structured flowchart of traditional parking radar system;
Fig. 2 is the structured flowchart of off reverse radar system in prior art;
Fig. 3 is the structured flowchart that the present invention relates to the host-free parking radar system;
Fig. 4 is the inner structure block diagram of each sensor in Fig. 3;
Fig. 5 is the circuit diagram of each sensor in Fig. 3;
Fig. 6 is the schematic diagram of the multi-probe method of attachment of a kind of host-free parking radar system that the present invention relates to;
Fig. 7 is the concrete connection diagram in Fig. 6.
In figure:
Host-free parking radar system 100
Sensor 1 microprocessor 11
The second interface module 122 analog switches 123
The first terminal 124 second terminals 125
Ultrasound wave receiver module 15 power modules 16
The 3rd sensor 1c the 4th sensor 1d
Ground floor 61 second layers 62
The 3rd layer 63
Embodiment
In order further to explain technical scheme of the present invention, the present invention will be described in detail below by specific embodiment.
as extremely shown in Figure 5 in Fig. 3, a kind of host-free parking radar system 100 for the present invention's application shown in it, it has a plurality of sensors 1, at least one alarm 2, internal network 3 and external network 4, this internal network 3 is between a plurality of sensors 1 and realize internal communication between a plurality of sensors 1, and this external network 4 is used for connecting one of them sensor 1 and alarm 2, wherein, this each sensor 1 include microprocessor 11, communication module 12, ultrasonic sensor 13 and be arranged on microprocessor 11 and ultrasonic sensor 13 between driving sending module 14 and ultrasound wave receiver module 15, this microprocessor 11 is control core, and it produces ultrasonic pulse voluntarily by work tempo, and drives sending module 14 amplification rear drive ultrasonic sensors 13 transmission ultrasound waves through this, this ultrasonic sensor 13 also receives return signal simultaneously, and is delivered to microprocessor 11 after being processed by ultrasound wave receiver module 15 amplification filtering, this microprocessor 11 process by analysis and the acquired disturbance object distance from information, thus, this each sensor 1 all can obtain range information between itself and barrier by its inner microprocessor 11, this communication module 12 comprises the first interface module 121 that all is connected with microprocessor 11, the second interface module 122 and analog switch 123, this first interface module 121 and the second interface module 122 are outwards drawn respectively and are formed the first terminal 124 and the second terminal 125, this analog switch 123 is connected between this first terminal 124 and the second terminal 125 and can presents the state that opens or closes via the control of microprocessor 11, when it is closed condition, be rendered as the interconnected state of information between this first terminal 124 and the second terminal 125, the interconnected hardware that specifically can adopt of this information is communicated with, the mode that also can adopt software to be communicated with (simulation is communicated with) realizes.The first terminal 124 of this each sensor 1 is all by internal network 3 and the transmission that the second terminal 125 of adjacent sensor 1 is connected and forms cascaded structure and realize range information, and the first terminal 124 or 125 of the second terminals that are positioned at the sensor of end are connected with alarm 2 and warning message is passed to alarm 2 by external network 4.Wherein also comprise in this each sensor be used to the power module 16 that power supply is provided, also dispose bus module 5 in this external network 4, this bus module 5 is used for carrying out exchanges data with sensor, the car body control module that this bus module 5 specifically can select LIN bus or CAN bus to connect.Concrete, in the present embodiment, these a plurality of sensors 1 comprise four that are disposed on bumper, namely are called the first sensor 1a, the second sensor 1b, the 3rd sensor 1c and the 4th sensor 1d, and this first sensor 1a is connected with external network 4 namely as the starting point sensor; And this external network 4 and internal network 3 all can adopt the LIN bus to build.
The below is described in detail the multi-probe method of attachment of a kind of host-free parking radar system that the present invention relates to, and it specifically comprises the steps:
A, a plurality of probes are divided into many groups, and every group of probe inside is all to adopt cascaded structure to interconnect, in every group of probe, is positioned at the host node that the probe of end is popped one's head in for this group; Concrete, such as vehicle-mounted probe can be divided into the reversing probe, advance three groups of probe and side probes, the host node that the probe of each group end is popped one's head in as this group, all the other are from node;
B, will organize probe more and divide into different layers, popping one's head in for every group consists of wherein one deck; As shown in Figure 6, it comprises ground floor 61, the second layer 62 and the 3rd layer 63;
C, the host node that will be positioned at one group of lower floor probe are connected with one group of probe on upper strata, during wherein the host node of one of this lower floor group of probe is popped one's head in as a group of relative its last layer from node.
As shown in Figure 7, the concrete connection diagram when adopting aforementioned parking radar system shown in it.
Like this, the multi-probe method of attachment of a kind of host-free parking radar system that the present invention relates to, adopt the network structure of the many groups of layering, thereby can make data carry out Delamination Transmission, can carry out simultaneously transmission and cross-layer transmission in layer, thereby greatly increased the efficient of data transmission, thereby can solve the off radar problem that the work period is long, the response time is slow in connecting of popping one's head in more.Pop one's head in due to every group simultaneously and respectively all adopt the connected mode of single-line series between the group probe, thereby can reach the effect that wire harness is simplified most.
Above-described embodiment and graphic and non-limiting product form of the present invention and style, any person of an ordinary skill in the technical field all should be considered as not breaking away from patent category of the present invention to its suitable variation or modification of doing.
Claims (5)
1. the multi-probe method of attachment of host-free parking radar system, is characterized in that, comprises the steps:
A, a plurality of probes are divided into many groups, and every group of probe inside is all to adopt cascaded structure to interconnect, in every group of probe, one of them is positioned at the host node that the probe of end is popped one's head in for this group;
B, will organize probe more and divide into different layers, popping one's head in for every group consists of wherein one deck;
C, the host node that will be positioned at one group of lower floor probe are connected with one group of probe on upper strata, during wherein the host node of one of this lower floor group of probe is popped one's head in as a group of relative its last layer from node.
2. the multi-probe method of attachment of a kind of host-free parking radar system as claimed in claim 1, it is characterized in that, this each probe includes communication module, this communication module comprises first interface module, the second interface module and the analog switch that all is connected with the probe microprocessor, this first interface module and the second interface module are outwards drawn respectively and are formed the first terminal and the second terminal, and this analog switch is connected to and also can makes via microprocessor-based control the first terminal and the second terminal information interconnected between this first terminal and the second terminal; The first terminal of this each probe all is connected with the second terminal adjacent or the last layer probe by internal network and forms cascaded structure, and the first terminal or the second terminal that are positioned at the probe of end in the superiors' probe pass to alarm by external network with warning message.
3. the multi-probe method of attachment of a kind of host-free parking radar system as claimed in claim 2 is characterized in that, this external network also is connected with for carrying out the bus module of exchanges data with probe.
4. the multi-probe method of attachment of a kind of host-free parking radar system as claimed in claim 2 is characterized in that this internal network is mongline two-way communication.
5. the multi-probe method of attachment of a kind of host-free parking radar system as claimed in claim 2 is characterized in that, this external network adopts LIN bus or CAN bus to build.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110001731 CN102141614B (en) | 2011-01-06 | 2011-01-06 | Method for connecting multiple probes of hostless parking radar system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110001731 CN102141614B (en) | 2011-01-06 | 2011-01-06 | Method for connecting multiple probes of hostless parking radar system |
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| CN102141614A CN102141614A (en) | 2011-08-03 |
| CN102141614B true CN102141614B (en) | 2013-06-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103592649B (en) * | 2013-10-24 | 2017-12-19 | 同致电子科技（厦门）有限公司 | Integral type parking radar system |
| CN105015408A (en) * | 2014-04-25 | 2015-11-04 | 帷享科技有限公司 | Obstacle waning system |
| CN107054227A (en) * | 2017-06-07 | 2017-08-18 | 厦门澳仕达电子有限公司 | A kind of commercial car blind area monitoring system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1566986A (en) * | 2003-07-07 | 2005-01-19 | 李世雄 | Multiple sensor reverse radar with synchronous time-division control function |
| CN1892249A (en) * | 2005-07-05 | 2007-01-10 | 李世雄 | Backing radar device without control box |
| CN201600454U (en) * | 2010-03-01 | 2010-10-06 | 徽昌电子股份有限公司 | Parking distance control warming system without host machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10325374A1 (en) * | 2003-05-27 | 2004-12-16 | Valeo Schalter Und Sensoren Gmbh | Electronic system with sensors |
| CN101887125B (en) * | 2010-06-24 | 2012-05-30 | 浙江海康集团有限公司 | Reverse sensor range positioning method and system for assisting parking |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1566986A (en) * | 2003-07-07 | 2005-01-19 | 李世雄 | Multiple sensor reverse radar with synchronous time-division control function |
| CN1892249A (en) * | 2005-07-05 | 2007-01-10 | 李世雄 | Backing radar device without control box |
| CN201600454U (en) * | 2010-03-01 | 2010-10-06 | 徽昌电子股份有限公司 | Parking distance control warming system without host machine |
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