CN202608764U - Parking controlling device based on local interconnect network (LIN) communication - Google Patents
Parking controlling device based on local interconnect network (LIN) communication Download PDFInfo
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- CN202608764U CN202608764U CN 201220141751 CN201220141751U CN202608764U CN 202608764 U CN202608764 U CN 202608764U CN 201220141751 CN201220141751 CN 201220141751 CN 201220141751 U CN201220141751 U CN 201220141751U CN 202608764 U CN202608764 U CN 202608764U
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Abstract
The utility model discloses a parking controlling device based on local interconnect network (LIN) communication. The parking controlling device based on the LIN communication comprises a controlling unit module, at least one sensing device and an LIN principal line, wherein the controlling unit module comprises a data calculation unit and an LIN communication interface circuit, the data calculation unit is provided with a data port and a connection port, the data port is connected with an upstream host in an interactive mode, and the connection port is connected with the LIN communication interface circuit in an interactive mode. The sensing device is arranged on a motor vehicle, the LIN principal line is connected with the LIN communication interface circuit and the at least one sensing device, and the LIN principal line is used to achieve data transmission of an LIN format between the LIN communication interface circuit and the sensing device.
Description
Technical field
the utility model relates to a kind of control setup of parking based on the LIN communication.
Background technology
Controller in
the traditional control setup of parking and the communication modes between the sensor adopt UART (Universal Asynchronous Receiver/Transmitter; Universal asynchronous reception/transmission) form, so communication interior interface adopts the multiplex electronics design, for the controller of parking; The INTERFACE DESIGN element is many; The circuit card size is big, the interface of microcontroller (multichannel Tx/Rx), and reliability is low; The rattail of sensor and controller communication is many, and each sensor needs one, therefore needs many circuits; The sharing degree of different channel sensors is not high, and the product integrated cost is higher relatively.
Summary of the invention
The purpose of
the utility model is exactly that a kind of control setup of parking based on the LIN communication will be provided, and can be applicable to the multiplexer channel high-speed transfer.
The technical scheme of the utility model has provided a kind of control setup of parking based on the LIN communication; It is characterized in that: it comprises: the control unit module; This module comprises a data computation unit and a LIN communications interface circuitry, and said data computation unit has with upper reaches main frame interaction bonded assembly FPDP and has and LIN communications interface circuitry interaction bonded assembly connectivity port;
At least one sensing device, said sensing device is arranged on the automobile;
LIN main line, said LIN main line links to each other with said LIN communications interface circuitry and at least one sensing device, is used for the data transmission that realizes the LIN form between LIN communications interface circuitry and the sensing device.
preferably, said control unit module also comprises the CAN communications interface circuitry, this CAN communications interface circuitry is connected with upper reaches main frame interaction through the CAN main line.
preferably, said sensing device be arranged in self-propelled vehicle around.
preferably, said sensing device has the built in diagnostics function.
preferably; The circuit card combination that said sensing device comprises sensor probe, is electrically connected mutually with sensor probe; Said circuit board group is closed and is provided with the ASIC unit; Said ASIC unit and control unit module data mutually connect alternately, and the ASIC unit is passed to sensor probe with frequency signal, when sensor probe has detected object in investigative range the time; Sensor probe will receive echoed signal and feed back to the ASIC unit, and the ASIC unit calculates the processing of completion signal data and the data-signal of finishing dealing with is fed back to the control unit module through gate array program.
preferably; Said circuit board group is closed and also is provided with Zhou Danyuan in; The input end of Zhou Danyuan links to each other with the ASIC unit in being somebody's turn to do; Should in the mouth of Zhou Danyuan link to each other with sensor probe, the frequency signal that said middle Zhou Danyuan sends said ASIC unit amplifies and is passed to sensor probe.
preferably, said ASIC unit has the input port of writing, and can write input port to revise the gate array program of ASIC unit from this.
The utility model adopts above structure, has advantage:
1, reduced control unit module overall dimensions, provided cost savings;
2, save wire harness, reduced the weight of vehicle;
3, LIN is a standard agreement, and commonality is better;
4, can supply multiplexer channel to use jointly, therefore compare the sensor that traditional communication modes can hold greater number.
Description of drawings
accompanying drawing 1 is the systematic schematic diagram in the utility model.
accompanying drawing 2 is the internal frame diagram in the utility model.
accompanying drawing 3 is the structural representation in the utility model.
accompanying drawing 4 is the principle schematic among the utility model embodiment.
In
accompanying drawing: 1, body; 2, loam cake; 3, sensor probe; 4, circuit card combination; 5, rubber; 6, sponge.
The specific embodiment
Set forth specific embodiment of the present invention below in conjunction with one of accompanying drawing 1-4 in detail
.
Shown in accompanying drawing 1; A kind of control setup of parking based on the LIN communication; It comprises: the control unit module; This module comprises a data computation unit and a LIN communications interface circuitry, and said data computation unit has with upper reaches main frame interaction bonded assembly FPDP and has and LIN communications interface circuitry interaction bonded assembly connectivity port;
At least one sensing device, said sensing device is arranged on the automobile;
LIN main line, said LIN main line links to each other with said LIN communications interface circuitry and at least one sensing device, is used for the data transmission that realizes the LIN form between LIN communications interface circuitry and the sensing device.
After
control unit module energising work, instruction is sent to the LIN communications interface circuitry in the connectivity port of control unit module.The LIN communications interface circuitry triggers sensing device through the LIN main line after receiving instruction, carry out the obstacle detection in the reconnaissance range.And the information of obstacle fed back to the LIN communications interface circuitry through the LIN main line; The information feedback that the LIN communications interface circuitry perceives the multichannel sensing device is to calculating unit; Calculating unit carries out data handing to the information that the multichannel sensing device obtains; After obtaining net result, calculating unit is uploaded to upper reaches main frame through FPDP with net result.Preferably, sensing device be arranged in self-propelled vehicle around.Because the LIN main line can hold the multichannel sensing device; Therefore sensing device can as much as possiblely be arranged on car around; Calculating unit gathers the information of multichannel sensing device and obtains more accurate data message thus, can realize the combination of different scheme functions:
1. rear parking assisting system;
2. preceding/the rear parking assisting system;
3. preceding/rear Bo Chefuzhuxitong & The Parallel parking ancillary system;
4. preceding/rear Bo Chefuzhuxitong & Parallel parking Fu Zhuxitong & Vertical parking assisting system;
5. preceding/rear Bo Chefuzhuxitong & The blind area detecting system;
6. preceding/rear Bo Chefuzhuxitong & Parallel parking Fu Zhuxitong & Vertical Bo Chefuzhuxitong & The blind area detecting system;
7. preceding/rear Bo Chefuzhuxitong & Parallel parking Fu Zhuxitong & Vertical Bo Chefuzhuxitong & Blind area Zhen Cexitong & Park and roll system away from;
are preceding/rear Bo Chefuzhuxitong & 8.; Parallel parking Fu Zhuxitong & Vertical Bo Chefuzhuxitong & Blind area Zhen Cexitong & Park and roll Xi Tong & away from; The back gauge detecting system.
are a kind of networks of serial communication cheaply, are used for realizing the distributed electronic system control of automobile.The target of LIN is for existing automotive networking (for example CAN bus) provides additional function, so the LIN bus is a kind of auxiliary bus network.Do not needing CAN bus width and multi-functional occasion, using the LIN bus can save cost greatly such as the communication between intelligent transducer and the brake equipment.Developing instrument and application software interface except that having defined basic agreement and Physical layer, have also been defined in the LIN specification.This pattern of serial communication cheaply is formulated to standard by LIN association with corresponding development environment.The normalisation of LIN will for automaker and supplier at research and development application operating system cost-cutting.
control unit module also comprises the CAN communications interface circuitry, and this CAN communications interface circuitry is connected with upper reaches main frame interaction through the CAN main line.Can transmit the various signals of vehicle to calculating unit through CAN communications interface circuitry upper reaches main frame; The for example speed of a motor vehicle, vehicle wheel rotational speed, vehicle-state (advance, retreat or the trailer status lamp) or the like; Calculating unit is after obtaining the signal that upper reaches main frame sends; After the information that comprehensive multiple sensor obtains, can control the situation of parking more accurately.
are shown in accompanying drawing 1; The technical scheme of the utility model has provided a kind of sensing device of parking; Loam cake 2, sensor probe 3, circuit card combination 4 that it comprises body 1, is fixedly connected with body 1; Body 1 is connected the fixing common cavity that forms with loam cake 2, sensor probe 3 is arranged in cavity with circuit card combination 4, and is fixedly connected with body 1 or loam cake 2; Be electrically connected mutually between sensor probe 3 and the circuit card combination 4, this device also is provided with rubber 5 and sponge 6 in addition.
shown in accompanying drawing 4, circuit card combination 4 is provided with ASIC unit and middle Zhou Danyuan, and ASIC unit and control unit module data mutually connect alternately, and the ASIC unit is passed to sensor probe with frequency signal through middle Zhou Danyuan.In the input end of Zhou Danyuan link to each other with the ASIC unit, mouth of Zhou Danyuan links to each other with sensor probe in this, the frequency signal that middle Zhou Danyuan sends said ASIC unit amplifies and is passed to sensor probe.When sensor probe 3 has detected object in investigative range the time; Sensor probe 3 will receive echoed signal and feed back to the ASIC unit; Inside amplification module in the ASIC unit amplifies the echoed signal that sensor probe 3 receives, and the A/D module in the ASIC unit is a digital signal with the analog signal conversion that receives echo; Digital filtering module in the ASIC unit; Signal is carried out digital filter, and pass to the ASIC internal compute unit, the ASIC unit calculate to be accomplished the processing of signal data through gate array program and is that distance between sensing device and the obstacle is fed back to the control unit module with the data-signal of finishing dealing with.
special IC is meant answers the specific user to require or the needs of particular electronic system and the IC that designs, make.ASIC is as IC (IC) technology and specific user's complete machine or the product that systems technology is combined closely; Compare the preceence that when constituting electronic system, has the following aspects with universal integrated circuit: 1. reduced volume, expendable weight, reduction power consumption; 2. raising reliability, carry out the system integration with asic chip after, aerial lug reduces, thereby reliability obviously improves; 3. be easy to obtain High Performance, ASIC is to specialized application and specially designed; Combine closely between system design, circuit layout, the technological design, this incorporate being designed with is beneficial to the unprecedented high performance system of acquisition; 4. can strengthen confidentiality, the asic chip in the electronic product is equivalent to one " black box " concerning the user, is difficult to copy; 5. when high volume applications, can significantly reduce system cost.
preferably, the ASIC unit has the input port of writing, and can write input port with the parameter the gate array program of revising the ASIC unit from this.Traditional discrete type is revised parameter if desired and can only be changed another circuit card combination owing to accomplish signal amplification, filtering and conversion process through electronic component.Adopt the ASIC unit then can make amendment to parameter through writing input port.Programmable ASIC is another distinctive branch of special IC development, and it mainly utilizes programmable integrated circuit such as PROM, GAL, and PLD, CPLD, programmable circuit or logic array programmings such as FPGA obtain ASIC.Its principal feature is that the software design programming directly is provided, and accomplishes the ASIC circuit function, does not need again through the processing of integrated circuit technology line.The ASIC design kind of programming device is more, can adapt to different demands.PLD wherein and FPGA be use commonplace programming device.Be suitable for short time-to-market, the Design of Digital Circuit of certain complexity and circuit scale is arranged.The engineering staff who is particularly suitable for being engaged in electronic system design utilizes eda tool to carry out the ASIC design.
sensing device has advantage: this size sensor of parking is little, cost is low, precision is high, integrated degree is good; This sensor of parking has the inbound port of writing, and can change software program as required; This sensor of parking can carry out automatic compensation to the precision of sensor according to external environment condition.
The utility model adopts above structure, has advantage:
1, reduced the controller overall dimensions, provided cost savings;
2, save wire harness, reduced the weight of vehicle;
3, LIN is a standard agreement, and commonality is better;
4, can supply multiplexer channel to use jointly, therefore compare the sensor that traditional communication modes can hold greater number.
are above to combine diagram to be illustrated to specific embodiment of the present invention; But protection content of the present invention is not only limited to above embodiment; In affiliated technical field of the present invention; The common knowledge of GPRS just can be carried out diversified change in its technological main idea scope.
Claims (9)
1. control setup of parking based on the LIN communication, it is characterized in that: it comprises:
Control unit module, this module comprise a data computation unit and a LIN communications interface circuitry, and said data computation unit has with upper reaches main frame interaction bonded assembly FPDP and has and LIN communications interface circuitry interaction bonded assembly connectivity port;
At least one sensing device, said sensing device is arranged on the automobile;
The LIN main line, said LIN main line links to each other with said LIN communications interface circuitry and at least one sensing device, is used for the data transmission that realizes the LIN form between LIN communications interface circuitry and the sensing device.
2. the control setup of parking based on the LIN communication according to claim 1 is characterized in that: said control unit module also comprises the CAN communications interface circuitry, and this CAN communications interface circuitry is connected with upper reaches main frame interaction through the CAN main line.
3. the control setup of parking based on the LIN communication according to claim 1 is characterized in that: said sensing device be arranged in self-propelled vehicle around.
4. according to the described control setup of parking of one of claim 1-3 based on the LIN communication; It is characterized in that: the circuit card combination that said sensing device comprises sensor probe, is electrically connected mutually with sensor probe; Said circuit board group is closed and is provided with the ASIC unit; Said ASIC unit and control unit module data mutually connect alternately, and the ASIC unit is passed to sensor probe with frequency signal, when sensor probe has detected object in investigative range the time; Sensor probe will receive echoed signal and feed back to the ASIC unit, and the ASIC unit calculates the processing of completion signal data and the data-signal of finishing dealing with is fed back to the control unit module through gate array program.
5. the control setup of parking based on the LIN communication according to claim 4; It is characterized in that: said circuit board group is closed and also is provided with Zhou Danyuan in; The input end of Zhou Danyuan links to each other with the ASIC unit in being somebody's turn to do; Should in the mouth of Zhou Danyuan link to each other with sensor probe, the frequency signal that said middle Zhou Danyuan sends said ASIC unit amplifies and is passed to sensor probe.
6. the control setup of parking based on the LIN communication according to claim 4 is characterized in that: said ASIC unit comprises inner amplification module, and inner amplification module amplifies the echoed signal that sensor probe receives.
7. the control setup of parking based on the LIN communication according to claim 4 is characterized in that: said ASIC unit comprises digital filtering module, is used for echoed signal is carried out digital filter.
8. the control setup of parking based on the LIN communication according to claim 4 is characterized in that: said ASIC unit comprises the A/D module, and being used for the analog signal conversion that receives echo is digital signal transfers.
9. the control setup of parking based on the LIN communication according to claim 4 is characterized in that: said ASIC unit has the input port of writing, and can write input port to revise the gate array program of ASIC unit from this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220141751 CN202608764U (en) | 2012-04-06 | 2012-04-06 | Parking controlling device based on local interconnect network (LIN) communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220141751 CN202608764U (en) | 2012-04-06 | 2012-04-06 | Parking controlling device based on local interconnect network (LIN) communication |
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| CN202608764U true CN202608764U (en) | 2012-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220141751 Expired - Fee Related CN202608764U (en) | 2012-04-06 | 2012-04-06 | Parking controlling device based on local interconnect network (LIN) communication |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602392A (en) * | 2012-04-06 | 2012-07-25 | 辉创电子科技(苏州)有限公司 | Parking control device based on LIN (local interconnect network) communication |
| WO2021258336A1 (en) * | 2020-06-24 | 2021-12-30 | 华为技术有限公司 | Vehicle control device, vehicle integration unit, and vehicle |
-
2012
- 2012-04-06 CN CN 201220141751 patent/CN202608764U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602392A (en) * | 2012-04-06 | 2012-07-25 | 辉创电子科技(苏州)有限公司 | Parking control device based on LIN (local interconnect network) communication |
| WO2021258336A1 (en) * | 2020-06-24 | 2021-12-30 | 华为技术有限公司 | Vehicle control device, vehicle integration unit, and vehicle |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20210406 |
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| CF01 | Termination of patent right due to non-payment of annual fee |