CN2795811Y - Electronic control unit module and motor vehicle parking auxiliary device using said module - Google Patents
Electronic control unit module and motor vehicle parking auxiliary device using said module Download PDFInfo
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- CN2795811Y CN2795811Y CN 200520018022 CN200520018022U CN2795811Y CN 2795811 Y CN2795811 Y CN 2795811Y CN 200520018022 CN200520018022 CN 200520018022 CN 200520018022 U CN200520018022 U CN 200520018022U CN 2795811 Y CN2795811 Y CN 2795811Y
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Abstract
The utility model discloses an electronic control unit module for motor vehicle parking auxiliary devices, which is connected with at least one parking radar probe and one LIN bus and comprises a computing element and an LIN interface element, wherein the computing element is connected with the radar probes and the LIN interface element for receiving reflected signals of signals sent by the radar probes to generate at least one distance signal which can show a distance between a vehicle body and surrounding environment; the LIN interface element is connected with the computing element and the LIN buses for receiving the distance signals and to cause the distance signals to be changed into distance signals of an LIN protocol, and then the distance signal or the distance signals of the LIN protocol can be transferred to at least one device through the LIN buses. The utility model also discloses a motor vehicle parking auxiliary device which adopts the electronic control unit module.
Description
One, technical field
The present invention relates to a kind of core component and corresponding motor vehicle parking apparatus that is used for the motor vehicle parking apparatus; Or rather, relate to the signal control component in a kind of motor vehicle parking assist apparatus, and the motor vehicle parking radar device of using this parts.
Two, prior art
Comprise at least one radar probe, an electronic control unit (ECU) in (also the claiming to stop) servicing unit of parking of prior art, and a hummer (buzzer) and/or a display element.A kind of electronic control unit that is adopted in the prior art parking assist apparatus has been shown among Fig. 1.In Fig. 1, number designation 1a, 1b, 1c and 1d represent a radar probe respectively; 2a is a display element; 2b represents an alarm element, as a hummer.Wherein, each radar probe all links to each other with this electronic control unit, and on the other hand, described electronic control unit can be sent to an equipment that is attached thereto (hummer) to handle with this indicator signal and/or alerting signal after receiving the indicator signal (for example car body with the indicator signal of the distance of object) on every side of radar probe and/or alerting signal (expression for example when car body and object distance on every side cross state when near).The synoptic diagram that is connected between parking assist apparatus that prior art has been shown among Fig. 3 and the external equipment.Be connected to individual radars probe such as 1a, 1b, 1c and 1d on the electronic control module of this device, wherein two stitches of each radar probe are connected on corresponding the emission on pin (TX) and the reception pin (RX) in the described electronic control unit respectively; Also be connected to a hummer 2b.In addition, this device also has the backup lamp power supply of a 12V, is the backup lamp power supply when being used for motor vehicle and being in reverse gear, and a power ground line 8.
The said apparatus of prior art has a shortcoming, and promptly it needs an independent display unit and/or alarm unit.Described display unit can be a kind of display board, shows relevant (one or more) probe and the distance between the barrier on every side with at least one diode displaying element thereon; Also can be another kind of display board, show above-mentioned distance with at least one icon thereon.After described alarm unit is received the signal of electronic control unit, outwards send at least a alerting signal.The weak point of said apparatus is, these independent display unit and/or alarm unit need additionally be installed on the finished product machine motor-car.That is to say, need these equipment be installed on former factory car, even these equipment have become the standard configuration of auto industry circle in fact.
Three, utility model content
Therefore, a task of the present utility model is to provide a kind of motor vehicle electronic control module that has improved, it does not need to have independent demonstration and/or alarm unit, and only needs relevant demonstration and/or alerting signal are sent to the outside through at least one the LIN interface on this electronic control unit.
Another task of the present utility model is to provide a kind of motor vehicle that comprises a kind of electronic control unit controller of parking, because described this electronic control unit does not need to have independent demonstration and/or alarm unit, and only need relevant demonstration and/or alerting signal are sent to an outside output unit (for example panel board of motor vehicle) through at least one the LIN interface on this electronic control unit, so the structure of entire controller is comparatively simple.
According to an aspect of the present utility model, the utility model discloses a kind of electronic control unit module, be used for the motor vehicle parking assist apparatus, be connected with at least one parking radar probe and a LIN bus, said parking radar is popped one's head in to be used for sending around car body and is transmitted, receive corresponding reflected signal, and described reflected signal is sent to a following computing element; Described electronic control unit module comprises:
(1) computing element, link to each other with described radar probe and following LIN interface element, receive described reflected signal, generate the distance signal of at least one expression car body and surrounding environment distance, described distance signal is to transmit signals to described reflected signal and received the time of being experienced by the radar probe and transmit and the speed of received signal propagation medium is determined from sending according to described radar probe;
(2) LIN bus interface elements, link to each other with described LIN bus with above-mentioned computing element respectively, be used to receive described distance signal, and being converted into the distance signal of LIN agreement, the distance signal with this or these LIN agreement is sent at least one equipment by described LIN bus then.
Given computing unit can be a general central processing unit (CPU) in the utility model, also can be for having the part of computing function in the central processing unit.
Given LIN interface element can be the LIN serial line interface (UART) of a standard in the utility model.According to another aspect of the present utility model, the utility model discloses a kind of motor vehicle parking assist apparatus, comprising: (1) electronic control unit module comprises a computing element and a LIN bus interface element;
Described computing element, link to each other with at least one radar probe and described LIN bus interface element, from described radar probe accept this radar probe received, corresponding to the reflected signal of its reflected signal, and receive the corresponding described time that reflected signal experienced that transmits and the velocity of propagation of signal medium determined first distance signal that at least one represents car body and surrounding environment distance from sending to transmit signals to according to described radar probe;
Described LIN bus interface element, link to each other with a LIN bus radiated element with above-mentioned computing element, be used for described first distance signal is changed into the second distance signal of the form of LIN bus protocol, and described second distance signal is sent to described LIN bus radiated element;
(2) described at least one radar probe, link to each other with the computing element of described electronic control unit module, be used for around described motor vehicle, launching at least one signal, and receive corresponding reflected signal, then described reflected signal is sent to described computing element;
(3) described LIN bus signals radiated element links to each other with a LIN bus with described LIN bus interface element, is used for the second distance signal of described LIN form is sent to a display element and/or an alarm element by a LIN bus
(4) described LIN bus links to each other with described LIN bus interface element and display element and/or alarm element, transmits the data of LIN form between the equipment that is used for connecting at it;
(5) described display element and/or an alarm element link to each other with described LIN bus signals radiated element respectively by described LIN bus, receive the second distance signal of described LIN form; Described display unit is used to receive described distance signal and shows relevant distance; Described alarm unit compares the second distance signal of described LIN form and the second distance signal threshold value that at least one is predetermined, whether sends alerting signal and sends which kind of other alerting signal of level with decision.
Alleged motor vehicle in the utility model, comprise automobile etc. all kinds of with fuel oil as vehicle powered.
The radar probe that is adopted in the utility model is not the radiofrequency signal that must use " radar " speech original idea indication, except radiofrequency signal, also can launch ultrasonic signal, infrared signal or can be by acoustic signals of animal body perception (for example frequency is the acoustic signals of 50Hz to 20000Hz) etc.
Display element described in the utility model can be a common display screen that has such as the same indicator elment of light emitting diode (LED).Especially, it also can be a device feature on the panel board that is integrated into driver the place ahead.Described vehicle body and on every side distance can numeral (for example being the distance value of unit) with rice mode show, perhaps represent that with at least one cartoon image cell vehicle body approaches the degree of peripheral obstacle.Also above-mentioned two kinds of scheme combination can be got up, in the cartoon image, add the demonstration of distance.Be provided with under the situation of a plurality of probes, can show vehicle body in all orientation the distance with corresponding barrier, also can only show topmost one or several distance or represent the expression of distance.
Above-mentioned alarm unit of the present utility model can be a common alarm element, as a hummer.
A kind of scheme of the present utility model is to combine the demonstration of distance and warning.That is, when described distance is safe inadequately, can start for example sound, a light or comprise the warning piece of acousto-optic simultaneously, for example start a hummer.
According to a further aspect of the present utility model, can be integrated in described display element and/or alarm element in the instrument table of motor vehicle.This scheme is compared with respect to the mode of arbitrarily adding parts in vehicle body, makes the layout of in-vehicle apparatus so not messy, but more clean and tidy,
The utility model is brought each critical piece of motor vehicle parking apparatus in the LIN bus architecture into, and this LIN bus architecture can be used as a subsystem (promptly being equivalent to an equipment in this CAN system) of a bigger system (for example being a CAN system) of this motor vehicle again.Such setting makes the ergasia of car load comparatively simple.
Four, description of drawings
Fig. 1 shows an electronic control unit that has 4 radars probe in the prior art, and it is connected on a display element and the hummer;
Fig. 2 shows an electronic control unit of the present utility model, and it has the hardware interface of a LIN bus, and this interface links to each other with a LIN bus;
Fig. 3 shows an electronic control unit and the detailed interface thereof of prior art;
Fig. 4 shows the general structure of a motor vehicle parking assist apparatus of the present utility model, and wherein as being connected between other parts of the electronic control unit of critical piece and device.
Five, embodiment
The various aspects of the utility model device can be described better with reference to accompanying drawing of the present utility model.
Among Fig. 2, have a computing element 3 and a LIN bus interface element 4 in the electronic control unit of the present utility model respectively.(or claim physics) LIN bus cable that one of number designation 5 expression is tangible.As can be seen from Fig. 2, LIN bus interface element 4, display element 2a and alarm element 2b are connected on respectively on the LIN bus cable 5.
Described parking radar probe can be arranged at least one place all around of motor vehicle.Usually, the driver is to the more difficult assurance of distance at vehicle body and rear during owing to reversing, and the rear of therefore general vehicle body need be provided with at least one probe.Some motor vehicle is provided with 4 or more probe in the wings.Simultaneously, also can be at the middle part in the place ahead of vehicle body and/or two jiaos at least one probe is set, to hold the distance in vehicle body and the place ahead.Certainly, also can install probe additional, but because the distance of vehicle body and both sides is easier to observe by side mirror, it is essential that the mode that therefore installs probe in both sides additional is not the utility model institute in the side of vehicle body.
The general structure of a motor vehicle parking assist apparatus of the present utility model has been shown among Fig. 4, and the annexation between other parts in electronic control unit and the device.Shown device comprises 4 radar probes 1a, 1b, 1c and 1d, and two pins (emission pin Tx and reception pin Rx) that these 4 probes pass through respectively separately link to each other with electronic control unit module (ECU).
After the detectable signal that described electronic control unit module ECU pops one's head in according to 4 radars calculates the distance of car body and surrounding environment, relevant distance signal is sent to one of them LIN interface element 4, this LIN interface element 4 is a general LIN Bus interface (UART) in this example, it can change first distance signal from the computing unit gained of electronic control unit module into the second distance signal of LIN form, and two pins by this LIN Bus interface (emission pin TxD and receive pin RxD) are sent to the second distance signal of described LIN form on the LIN bus radiated element 6, LIN bus radiated element 6 is sent to the distance signal of this LIN form on the miscellaneous equipment of motor vehicle by described LIN bus 5 again, for example is sent to a display unit and alarm unit (not shown).Described display unit for example can be for being integrated into a display unit on the instrument panel of motor vehicle; Described alarm unit can be for being integrated into a warning piece on the instrument panel of motor vehicle, for example warning lamp on the panel board or alert icon, the mode that this icon can be illustrated is represented at least a portion of car body and the distance of surrounding environment, and also comparatively accurate way marks at least a portion of car body and the distance of surrounding environment with digital mode.Described in addition alarm unit also can have the output block of an alarm sound, and this output block can output to described alarm sound in the sound system of this motor vehicle for example.
In addition, this motor vehicle parking assist apparatus also has the backup lamp power supply 7 of a 12V, is the backup lamp power supply when being used for motor vehicle and being in reverse gear, and a power ground line 8.
The second distance signal threshold value of at least one LIN form is set in the mode of hardware or software in the described alarm unit.Alarm unit reads relevant distance signal, and this or these distance signal and described distance signal threshold value are compared.For example, described alarm unit is provided with three second distance signal threshold levels, and these three level correspond respectively to the distance of for example 1 meter, 0.4 meter and 0.2 meter.These three warning levels apart from level can be different, alert frequency is improved step by step and/or the warning sound intensity is improved step by step, perhaps directly with the mode of voice quote motor vehicle apart near barrier apart from level.
Claims (3)
1, a kind of electronic control unit module, be used for the motor vehicle parking assist apparatus, be connected with at least one parking radar probe and a LIN bus, said parking radar is popped one's head in to be used for sending around car body and is transmitted, receive corresponding reflected signal, and described reflected signal is sent to a following computing element; Described electronic control unit module comprises:
(1) computing element, link to each other with described radar probe and following LIN interface element, receive described reflected signal, generate the distance signal of at least one expression car body and surrounding environment distance, described distance signal is to transmit signals to described reflected signal and received the time of being experienced by the radar probe and transmit and the speed of received signal propagation medium is determined from sending according to described radar probe;
(2) LIN interface elements, link to each other with described LIN bus with above-mentioned computing element respectively, be used to receive described distance signal, and being converted into the distance signal of LIN agreement, the distance signal with this or these LIN agreement is sent at least one equipment by described LIN bus then.
2, a kind of motor vehicle parking assist apparatus comprises:
(1) electronic control unit module comprises a computing element and a LIN bus interface element;
Described computing element, link to each other with at least one radar probe and described LIN bus interface element, from described radar probe accept this radar probe received, corresponding to the reflected signal of its reflected signal, and receive the corresponding described time that reflected signal experienced that transmits and the velocity of propagation of signal medium determined first distance signal that at least one represents car body and surrounding environment distance from sending to transmit signals to according to described radar probe;
Described LIN bus interface element, link to each other with a LIN bus radiated element with above-mentioned computing element, be used for described first distance signal is changed into the second distance signal of the form of LIN bus protocol, and described second distance signal is sent to described LIN bus radiated element;
(2) described at least one radar probe, link to each other with the computing element of described electronic control unit module, be used for around described motor vehicle, launching at least one signal, and receive corresponding reflected signal, then described reflected signal is sent to described computing element;
(3) described LIN bus signals radiated element links to each other with a LIN bus with described LIN bus interface element, is used for the second distance signal of described LIN form is sent to a display element and/or an alarm element by a LIN bus
(4) described LIN bus links to each other with described LIN bus interface element and display element and/or alarm element, transmits the data of LIN form between the equipment that is used for connecting at it;
(5) described display element and/or an alarm element link to each other with described LIN bus signals radiated element respectively by described LIN bus, receive the second distance signal of described LIN form; Described display unit is used to receive described distance signal and shows relevant distance; Described alarm unit compares the second distance signal of described LIN form and the second distance signal threshold value that at least one is predetermined, whether sends alerting signal and sends which kind of other alerting signal of level with decision.
3, device as claimed in claim 2 is characterized in that described display element and/or alarm element are integrated in the panel board of motor vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520018022 CN2795811Y (en) | 2005-04-30 | 2005-04-30 | Electronic control unit module and motor vehicle parking auxiliary device using said module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520018022 CN2795811Y (en) | 2005-04-30 | 2005-04-30 | Electronic control unit module and motor vehicle parking auxiliary device using said module |
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| Publication Number | Publication Date |
|---|---|
| CN2795811Y true CN2795811Y (en) | 2006-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520018022 Expired - Lifetime CN2795811Y (en) | 2005-04-30 | 2005-04-30 | Electronic control unit module and motor vehicle parking auxiliary device using said module |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100554997C (en) * | 2007-06-29 | 2009-10-28 | 厦门吉致电子有限公司 | Three-state digit transmission method in the parking assisting system |
| 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 |
| CN101402337B (en) * | 2007-11-21 | 2013-01-02 | 奇瑞汽车股份有限公司 | Vehicle body control system |
| CN109889490A (en) * | 2019-01-02 | 2019-06-14 | 肇庆奥迪威传感科技有限公司 | Protocol conversion device, method, apparatus and storage medium |
-
2005
- 2005-04-30 CN CN 200520018022 patent/CN2795811Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100554997C (en) * | 2007-06-29 | 2009-10-28 | 厦门吉致电子有限公司 | Three-state digit transmission method in the parking assisting system |
| CN101402337B (en) * | 2007-11-21 | 2013-01-02 | 奇瑞汽车股份有限公司 | Vehicle body control system |
| 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 |
| CN109889490A (en) * | 2019-01-02 | 2019-06-14 | 肇庆奥迪威传感科技有限公司 | Protocol conversion device, method, apparatus and storage medium |
| CN109889490B (en) * | 2019-01-02 | 2021-10-22 | 肇庆奥迪威传感科技有限公司 | Protocol conversion device, method, apparatus and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SIEMENS VDO ASIA PACIFIC (SHANGHAI) CO., LTD. Free format text: FORMER OWNER: SIEMENS (CHINA) AG Effective date: 20070928 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20070928 Address after: 200010 Shanghai City, Zhongshan Road No. 28 Jiushi building floor 1-6F Patentee after: Siemens VDO Asia Pacific (Shanghai) Co., Ltd. Address before: 100102 No. 7 South Central Road, Chaoyang District, Beijing, China Patentee before: Simens Co., Ltd. (China) |
|
| ASS | Succession or assignment of patent right |
Owner name: MAINLAND AUTOMOTIVE ELECTRONICS(CHANGCHUN )CO.LTD Free format text: FORMER OWNER: SIEMENS VDO ASIA PACIFIC (SHANGHAI) CO., LTD. Effective date: 20081107 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20081107 Address after: No. 1981, Wuhan Road, Changchun economic and Technological Development Zone, Jilin 130033, China Patentee after: Continental Automotive (Changchun) Co., Ltd. Address before: Shanghai City, Zhongshan Road No. 28 Jiushi building floor 1-6F, zip code: 200010 Patentee before: Siemens VDO Asia Pacific (Shanghai) Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150430 Granted publication date: 20060712 |