CN104115026B - Driver assistance device, motor vehicles with ultrasonic sensor and the method for operating ultrasonic sensor - Google Patents
Driver assistance device, motor vehicles with ultrasonic sensor and the method for operating ultrasonic sensor Download PDFInfo
- Publication number
- CN104115026B CN104115026B CN201380009670.3A CN201380009670A CN104115026B CN 104115026 B CN104115026 B CN 104115026B CN 201380009670 A CN201380009670 A CN 201380009670A CN 104115026 B CN104115026 B CN 104115026B
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- Prior art keywords
- signal
- sensor
- oscillator
- environment temperature
- control device
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Classifications
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52004—Means for monitoring or calibrating
- G01S7/52006—Means for monitoring or calibrating with provision for compensating the effects of temperature
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/32—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using change of resonant frequency of a crystal
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K2205/00—Application of thermometers in motors, e.g. of a vehicle
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K2217/00—Temperature measurement using electric or magnetic components already present in the system to be measured
-
- 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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/87—Combinations of sonar systems
- G01S15/876—Combination of several spaced transmitters or receivers of known location for determining the position of a transponder or a reflector
-
- 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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
- G01S15/931—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2015/932—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles for parking operations
Abstract
The present invention relates to the driver assistance device for motor vehicles (2), it has ultrasonic sensor (3) and with the control device (4) for actuating ultrasonic sensor (3), the sensor has the diaphragm (7) for being used for sending ultrasonic wave and is used for the oscillator (10) of oscillator signal (9) for encouraging the diaphragm (7) for generation, wherein oscillator (10) is the oscillator based on temperature, the frequency for causing the oscillator signal (9) is the environment temperature depending on ultrasonic sensor (3), and control device (4) is designed to the sensor signal (12) based on ultrasonic sensor (3) to determine environment temperature, the sensor signal (12) is produced based on oscillator signal (9).
Description
Technical field
The present invention relates to the driver assistance device for motor vehicles, the driver assistance device has supersonic sensing
Device and the control device for actuating ultrasonic sensor.Ultrasonic sensor includes the diaphragm for being used to transmit ultrasonic wave
(diaphragm) and it is designed as producing oscillator signal or clock signal encouraging the oscillator of diaphragm.In addition, the present invention relates to tool
There are the motor vehicles of such driver assistance device, and the method for operating the ultrasonic sensor in motor vehicles.
Background technology
The use of ultrasonic sensor has been in the motor vehicle prior art.On the one hand ultrasonic sensor is used to measure
Spacing between motor vehicles, on the other hand for measuring the spacing with the barrier in its surrounding environment.Supersonic sensing
The commonly known part for parking assisting system of device, the parking assisting system is used to aid in driver to operate motor vehicle
, i.e., driver's operation vehicle is aided in when specifically being parked in parking position.The spacing of measurement is by parking assisting system or drives
The person's of sailing servicing unit is exported to driver, for example, by means of the mode of display or additionally by means of the mode of loudspeaker.
In order to measure the purpose of the spacing between motor vehicles and barrier, this is related to the time delay of measurement ultrasonic wave.
Ultrasonic sensor transmits ultrasonic wave, and then the ultrasonic wave is reflected by barrier and be back to ultrasonic sensor.Ultrasonic wave
Whether sensor thus receives the amplitude for the ultrasonic wave that the ultrasonic wave of reflection and detection are received higher than defined threshold value.If
Higher than defined threshold value, it is determined that the time delay of ultrasonic wave, and the time delay is used to speculate the spacing with barrier.This
Individual time delay also is known as changing with environment temperature, because the speed of sound depends on temperature.Accordingly, it would be desirable to be based on phase
Answer current environmental temperature compensation detection time delay so that spacing can be measured it is more accurate.In modern vehicle,
Environment temperature is sensed by means of one or more temperature sensors, and then the temperature sensor passes to the temperature value of measurement
Control device.Control device is by the way that environment temperature to be taken into account to and compensated time delay of measurement.In other words, between measurement
Away from thus compensated.
Exist or additionally in the control of temperature sensor and ultrasonic sensor without temperature sensor in the motor vehicle
Problem occurs in the case of no offer communication chain between device processed.Therefore, when control device not can be used for the corrective delay
Between available measurement temperature value.For example, in this case, it is true by the change of the oscillation behavior of the diaphragm from sensing
The method for determining environment temperature provides remedial measure.
The content of the invention
In the case that the purpose of the present invention is the driver assistance device for being illustrated in the universal class for starting to quote herein, temperature
Degree compensation how in low technical sophistication degree, especially in the case where not needing temperature in use sensor the solution party that carries out
Method.
The present invention is by means of driver assistance device, motor vehicles and also by means of with will according to respective independent right
The method for the feature asked and realize.The advantageous embodiment of the present invention is dependent claims, the theme of specification and drawings.
Creative driver assistance device for motor vehicles has ultrasonic sensor and is designed as actuating
The control device of the ultrasonic sensor.Ultrasonic sensor has the diaphragm for being used for transmitting ultrasonic wave and provided for encouraging
The oscillator of the oscillator signal of diaphragm.Oscillator signal is thus the clock signal for encouraging diaphragm.Oscillator is to be based on temperature
Oscillator, in this case, the frequency of oscillator signal depends on the environment temperature of ultrasonic sensor or with environment temperature
And change.Control device can use the sensor signal from ultrasonic sensor to determine environment temperature, the sensor
Signal is produced based on oscillator signal.
Formulated according to the present invention, therefore in particular for the measurement of environment temperature is not obtained by means of temperature sensor
Measure, environment temperature will be obtained from oscillator signal or clock signal based on temperature.Present invention uses ultrasonic sensor
Diaphragm be normally based on temperature the fact that, it means that the resonant frequency of diaphragm depends on environment temperature, and means
The oscillator based on temperature can be used first to match the resonant frequency of the frequency of oscillator signal and diaphragm.Therefore, as past
It is often the same in order to realize maximum transmitted sound levels, thus transmission frequency be traced as diaphragm based on the corresponding of environment temperature
Resonant frequency.This can also be employed so that based on being produced according to resonance signal and be transferred to control from ultrasonic sensor
The sensor signal of device determines environment temperature.Reason is that this is based on the oscillator signal or clock signal for coming from oscillator
The frequency of sensor signal change with environment temperature.This can be detected by control device and be used to determine environment temperature.Cause
This, single TEMP can not be especially needed the invention enables environment temperature with minimum technical sophistication degree determination
Device.Because environment temperature can ad hoc be determined by calculating.In this case, the determination of temperature is also especially accurate
Ground, it means that the time delay of ultrasonic wave can also be compensated based on environment temperature with maximal accuracy.
Preferably, sensor signal is message (message) signal or is known as being transferred to control from ultrasonic sensor
The telegram of device.Such message signal includes the related information of the sensor being stored in ultrasonic sensor.For example, so
An information now can given threshold, the amplitude of ultrasonic wave that ultrasonic sensor is received is compared with the threshold value.No matter
How, such message signal is transferred to control device from ultrasonic sensor in the motor vehicle.This means control device
Environment temperature can be determined from the message signal generally existed anyway so that especially ultrasonic sensor and control device
Between the bandwidth of communication port do not negatively affected by extra signal.
However, sensor signal can be substantially any signal from ultrasonic sensor, the signal is by oscillator signal
Produce and be transferred to control device.
As already explained, the environment temperature of determination is used as the time delay of the measurement of compensation ultrasonic wave by control device
Basis is particularly preferred.Because the spread speed of ultrasonic wave changes with environment temperature.Thus, this compensation allows
Obtain to the spacing between one side and motor vehicles, the extreme of another aspect and the spacing between barrier is accurately measured.
Preferably, ultrasonic sensor is not the wish transmission of sensor signals according to oneself, but only relies upon and
The request of self-control device.This means control device can transmit order to ultrasonic sensor, ultrasonic sensor is based on
The order sends sensor signal to control device.Therefore, sensor signal is only when its controlled device is asked, i.e., for example when
Control device is intended to determine to transmit during current environmental temperature.
For example, control device can send a request to especially and periodically ultrasonic wave biography at predetermined intervals
Sensor.
If the frequency of oscillator signal depend on environment temperature, then the duration of the bit of sensor signal also with
Variation of ambient temperature.In one embodiment, it is therefore true for the duration of at least one bit based on sensor signal
Fixed environment temperature works out measures.This is the method for special low complex degree, and it only asks the duration for the bit to be measured,
And environment temperature can be from table of the duration for example by storage or additionally mathematical formulae determination.
For the precision of the determination that improves environment temperature, control device can be from multiple bits of sensor signal (especially
All bits of sensor signal) the respective duration and calculating prolongeding time average value.Control device then can
Environment temperature is determined based on duration average value.In this case, environment temperature is determined with high precision, because not
Using individual bit but used multiple bits to determine environment temperature.
Alternatively, it can also be worked out measures for the environment temperature that the duration based on whole sensor signal determines.Example
Such as, if it is known that the quantity of the bit of specific message signal, then the measurement of the duration of whole sensor signal is for determining
It is simplest option for environment temperature.This is only it needs to be determined that the duration of sensor signal, and environment temperature can
It is determined directly based on the duration.
In addition, then, in order to increase precision, can be worked out measures to control device, with from from many of ultrasonic sensor
The respective duration of individual successive sensor signal calculates average value and determines environment temperature based on the average value.
Control device is always from the respective sensor signal of at least two ultrasonic sensors of driver assistance device
Determine that environment temperature is found to be very advantageously.Reason is that motor vehicles are usually mounted between four to eight, sometimes
Even 12 ultrasonic sensors are wherein., can be by if average value is formed by the ultrasonic sensor of all installations
Precision increases to maximum.For example, this can show as：Holding from the respective sensor signals of multiple ultrasonic sensors first
Continuous Time Calculation average value, is then based on the common duration average value and determines environment temperature.However, for determining environment
Temperature, it is also possible that：First coming from all the sensors signal of corresponding ultrasonic sensor is used to determine respective temperature
Value, then environment temperature is confirmed as the average value of single temperature value.
Creative motor vehicles include creative driver assistance device.
The invention further relates to operate motor vehicle in the case of the oscillator of ultrasonic sensor is used for and provides oscillator signal
Ultrasonic sensor method, the oscillator signal be used to encouraging ultrasonic sensor be used for transmit the diaphragm of ultrasonic wave.
Oscillator based on temperature is used for the frequency of wherein oscillator signal depending on the situation of the environment temperature of ultrasonic sensor.Vibration
Signal is used to determine environment temperature.
The preferred embodiment and the Dominant Facies of the embodiment showed with reference to creative driver assistance device should
Ground is applied to creative motor vehicles and creative method.
Other features of the present invention can be found in the description of claim, accompanying drawing and accompanying drawing.In description above
The feature quoted in the combination of all features and feature quoted and the description of following accompanying drawing and/or single accompanying drawing and spy
Levy the combination that combination is used not only for pointing out respectively, additionally it is possible to for other combinations or their own.
Brief description of the drawings
The present invention is described referring now to accompanying drawing, and by preferred exemplary embodiment, in the accompanying drawings：
Fig. 1 shows the schematic figure with the motor vehicles of driver assistance device according to an embodiment of the invention
Show；And
Fig. 2 shows the schematic illustration of the ultrasonic sensor of driver assistance device.
Embodiment
The motor vehicles 1 shown in Fig. 1 are the automobiles in exemplary embodiment.Motor vehicles 1 are filled with driver assistance
2 are put, the device is the form of parking assisting system.Driver assistance device 2 is used to aid in driver to operate motor vehicles 1.Machine
Motor-car has multiple ultrasonic sensors 3, and the sensor is on the front bumper and rear bumper of motor vehicles 1 into distribution
Arrangement.In Fig. 1, the arrangement and number of the ultrasonic sensor 3 on motor vehicles 1 is only shown in an illustrative manner.The number
Amount and arrangement can be changed based on embodiment.Therefore for example, ultrasonic sensor 3 is arranged only on front bumper or only arranged
It is possible on rear bumper, such as can uses more or less compared to the ultrasonic sensor 3 shown in Fig. 1
Ultrasonic sensor.
For actuating ultrasonic sensor 3, driver assistance device 2 includes control device 4.Alternatively, can be with a side
Face is that preceding ultrasonic sensor 3 provides single control device 4, on the other hand provides single control for rear ultrasonic sensor 3
Device 4 processed.Control device 4 is controller and is used for actuating ultrasonic sensor 3.Control device 4 is by means of single signal
The communication bus 5 of line or motor vehicles 1 is electrically connected to ultrasonic sensor 3 so that control device 4 and single supersonic sensing
Data communication between device 3 becomes possible to.
Ultrasonic sensor 3 can transmit ultrasonic wave and receive the ultrasonic wave of return again.During delay based on ultrasonic wave
Between, on the one hand control device 4 can calculate the spacing between motor vehicles, on the other hand calculate and the barrier in its surrounding environment
Hinder the spacing between thing.These spacing can be by means of output device 6, such as by means of loudspeaker and/or by means of display
Output.
The Basic Design of the ultrasonic sensor 3 used is shown in the schematical of Fig. 2 and extremely abstract diagram.It is super
Sonic sensor 3 has the diaphragm 7 for being used for transmitting ultrasonic wave.For example, diaphragm 7 can be formed by aluminium.Known to the resonant frequency of diaphragm 7
For depending on the environment temperature of ultrasonic sensor 3 and therefore as environment temperature changes.In order to central control unit 4
Communication, ultrasonic sensor 3 include control unit 8, such as microcontroller, it is electrically coupled to central control via communication bus 5
Device 4.Control unit 8 is by passing through clock signal or oscillator signal 9 that oscillator 10 is produced and timing.Oscillator signal 9 is also used
In excitation diaphragm 7, as schematically shown in Fig. 2 by arrow diagramming 11.
In order to encourage diaphragm 7 at the resonant frequency of diaphragm 7 in each case, oscillator 10 is similarly to be based on temperature
Oscillator, come from the vibrator oscillator signal 9 have depending on temperature frequency.Oscillator 10 is matched with diaphragm 7, is made
The frequency for obtaining oscillator signal 9 is always identical with the resonant frequency of diaphragm 7.Because the frequency of oscillator signal 9 depends on environment temperature,
So the frequency for the sensor signal 12 that control unit 8 is exported is also dependent on temperature.According to sensor signal 12, center control
Device 4 processed is it is then determined that environment temperature.Corresponding current environmental temperature is subsequently used for compensating the time delay of the measurement of ultrasonic wave
Or the interval of measurement.
As already explained, the timing by means of oscillator signal 9 of control unit 8.It means that particularly, it is single by control
The message that member 8 is delivered to control device 4 is also had with the identical frequency of oscillator signal 9 or produced based on oscillator signal 9.Therefore control
Unit 8 processed can transmission of sensor signals 12 arrive central control unit 4, the sensor signal be based on oscillator signal 9 produce.
The sensor signal 12 can be the binary coded signal for including multiple bits.
Sensor signal 12 comprising the related information of sensor and is transferred to control from ultrasonic sensor 3 in particular
The message signal of device 4.For example, such telegram can include the information on threshold value currently in ultrasonic sensor 3,
And the amplitude of the ultrasonic wave received compares therewith.Such message signal be typically based on come from the request of control device 4 by
Ultrasonic sensor 3 is transmitted.For example, such message signal has the length of 64 bits.Control device 4 can thus be transmitted please
The signal asked is ordered to ultrasonic sensor 3 so that then ultrasonic sensor 3 regard the order as transmission of sensor signals
12 arrive the basis of control device 4.However, the purpose in order to determine environment temperature, sensor signal 12 with any information or
Any sensor signal 12 is enough for control device 4.Only demand is that ultrasonic sensor 3 will be based on vibration
The signal that signal 9 is produced is transferred to control device 4.
Thus, control device 4 determines current environment temperature based on sensor signal 12.Therefore, for example, biography can be measured
The length of the individual bit of sensor signal 12 or duration, and environment temperature can be determined based on the duration.If
Average value is formed by the bit of multiple transmission, then the precision of temperature survey can be improved.
If the quantity of the bit of known sensor signal 12 in control device 4, can use whole sensor to believe
Numbers 12 duration is to determine environment temperature.The quantity of the bit of sensor signal 12 can be also tested in control device 4
Amount.
In order to maximize precision, from least two ultrasonic sensors 3 (especially from all ultrasonic sensors 3)
Respective sensor signal 12 be taken into account to determine environment temperature.
Oscillator 10 can be designed so that the frequency of oscillator signal 9 is based on temperature and changed.The frequency is thus corresponding
In the resonant frequency of diaphragm 7.
Claims (13)
1. one kind is used for the driver assistance device (2) of motor vehicles (1), with ultrasonic sensor (3) and with being used for
The control device (4) of the ultrasonic sensor (3) is activated, the ultrasonic sensor has the diaphragm for being used for transmitting ultrasonic wave
(7) and for the oscillator (10) for the oscillator signal (9) for producing the excitation diaphragm (7),
It is characterized in that
The oscillator (10) is the oscillator (10) based on temperature, it means that the frequency of the oscillator signal (9) is to depend on
In the environment temperature of the ultrasonic sensor (3), and the control device (4) is designed to use and comes from the ultrasound
The sensor signal (12) of wave sensor (3) is to determine the environment temperature, and the sensor signal is based on the vibration letter
Number (9) are produced,
The ultrasonic sensor (3) includes control unit (8), and it is electrically coupled to central control unit via communication bus (5)
(4), described control unit (8) is by by clock signal or oscillator signal (9) that the oscillator (10) is produced and timing,
Described control unit (8) is confirmed as in being delivered to based on the sensor signal (12) that the oscillator signal (9) is produced
Control device (4) is entreated,
The control device (4) determines current environment temperature based on the sensor signal (12), and
The sensor signal (12) is the binary coded signal for including multiple bits, the sensor signal (12) it is single
The length of bit or duration are measured, and the environment temperature being capable of at least one ratio based on the sensor signal (12)
Special duration and be determined.
2. driver assistance device (2) according to claim 1,
It is characterized in that
The sensor signal (12) is the message signal with sensor relevant information, and the message signal can surpass from described
Sonic sensor (3) is transferred to the control device (4).
3. driver assistance device (2) according to claim 1 or 2,
It is characterized in that
The control device (4) is designed to being used as the environment temperature of determination into the time delay for measuring the ultrasonic wave
The basis of compensation.
4. the driver assistance device (2) described in one in claim 1-2,
It is characterized in that
The control device (4) is designed to transmission order to the ultrasonic sensor (3), the ultrasonic sensor (3)
The sensor signal (12) is transferred to by the control device (4) based on the order.
5. driver assistance device (2) according to claim 1,
It is characterized in that
The control device (4) is designed to be counted according to the corresponding duration of multiple bits of the sensor signal (12)
Duration average value is calculated, and the environment temperature is determined based on the duration average value.
6. driver assistance device (2) according to claim 1,
It is characterized in that
The control device (4) is designed to be counted according to the corresponding duration of all bits of the sensor signal (12)
Duration average value is calculated, and the environment temperature is determined based on the duration average value.
7. the driver assistance device (2) described in one in claim 1 to 2,
It is characterized in that
The environment temperature can be based on the duration of whole sensor signal (12) and determine.
8. driver assistance device (2) according to claim 7,
It is characterized in that
The control device (4) is designed to according to the multiple successive sensor signals for coming from the ultrasonic sensor (3)
The respective duration calculate and average value and the environment temperature determined based on the average value.
9. the driver assistance device (2) described in one in claim 1 to 2,
It is characterized in that
The control device (4) is designed to according to the respective sensor signal for coming from least two ultrasonic sensors (3)
Determine the environment temperature.
10. the driver assistance device (2) described in one in claim 1 to 2,
Characterized in that,
Described control unit (8) is microcontroller.
11. a kind of motor vehicles (1), it has the driver assistance device according to any one of preceding claims
(2)。
12. one kind is used for the method for operating the ultrasonic sensor (3) of motor vehicles (1), wherein the ultrasonic sensor (3)
Oscillator (10) be used to produce oscillator signal (9), the oscillator signal be used to encouraging the ultrasonic sensor (3) be used for pass
The diaphragm (7) of ultrasonic wave is passed,
It is characterized in that
The oscillator (10) used is the oscillator (10) based on temperature, in this case, and the frequency of the oscillator signal (9) takes
Certainly in the environment temperature of the ultrasonic sensor (3), and the oscillator signal (9) is used for by means of control device (4) really
The fixed environment temperature,
The ultrasonic sensor (3) includes control unit (8), and it is electrically coupled to central control unit via communication bus (5)
(4), described control unit (8) is by by clock signal or oscillator signal (9) that the oscillator (10) is produced and timing,
Described control unit (8) is confirmed as in being delivered to based on the sensor signal (12) that the oscillator signal (9) is produced
Control device (4) is entreated,
The control device (4) determines current environment temperature based on the sensor signal (12), and
The sensor signal (12) is the binary coded signal for including multiple bits, the sensor signal (12) it is single
The length of bit or duration are measured, and the environment temperature being capable of at least one ratio based on the sensor signal (12)
Special duration and be determined.
13. the method according to claim 12 for being used to operate the ultrasonic sensor (3) of motor vehicles (1), its feature
It is：
Described control unit (8) is microcontroller.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012002979.9 | 2012-02-15 | ||
| DE102012002979A DE102012002979A1 (en) | 2012-02-15 | 2012-02-15 | Driver assistance device with an ultrasonic sensor, motor vehicle and method for operating an ultrasonic sensor |
| PCT/EP2013/052024 WO2013120706A1 (en) | 2012-02-15 | 2013-02-01 | Driver assistance device having an ultrasonic sensor, motor vehicle and method for operating an ultrasonic sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104115026A CN104115026A (en) | 2014-10-22 |
| CN104115026B true CN104115026B (en) | 2017-10-31 |
Family
ID=47633070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380009670.3A Expired - Fee Related CN104115026B (en) | 2012-02-15 | 2013-02-01 | Driver assistance device, motor vehicles with ultrasonic sensor and the method for operating ultrasonic sensor |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2815250A1 (en) |
| CN (1) | CN104115026B (en) |
| BR (1) | BR112014018840A8 (en) |
| DE (1) | DE102012002979A1 (en) |
| WO (1) | WO2013120706A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012215493B4 (en) * | 2012-08-31 | 2023-10-26 | Robert Bosch Gmbh | Increasing the robustness of ultrasound systems |
| DE102013015410A1 (en) | 2013-09-17 | 2015-03-19 | Valeo Schalter Und Sensoren Gmbh | Method for detecting a blocked state of an ultrasonic sensor Ultrasonic sensor device and motor vehicle |
| DE102015106408A1 (en) | 2015-04-27 | 2016-10-27 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Sensor arrangement for detecting a state of a roadway with an ultrasonic sensor, driver assistance system, motor vehicle and associated method |
| KR20200138816A (en) | 2018-04-04 | 2020-12-10 | 조디 지 로빈스 | Separation of minerals by specific gravity |
| DE102018124024A1 (en) | 2018-09-28 | 2020-04-02 | Valeo Schalter Und Sensoren Gmbh | Method for operating an ultrasonic sensor of a vehicle with reduced diagnosis in a measuring operation of the ultrasonic sensor, and ultrasonic sensor device |
| DE102021114988A1 (en) | 2021-06-10 | 2022-12-15 | Valeo Schalter Und Sensoren Gmbh | METHOD OF OPERATING AN ULTRASONIC SENSOR, COMPUTER PROGRAM PRODUCT, ULTRASONIC SENSOR SYSTEM AND VEHICLE |
| DE102021114989A1 (en) | 2021-06-10 | 2022-12-15 | Valeo Schalter Und Sensoren Gmbh | METHOD OF DETERMINING A TEMPERATURE OF A MEMBRANE OF AN ULTRASONIC SENSOR, COMPUTER PROGRAM PRODUCT, ULTRASONIC SENSOR AND VEHICLE |
| DE102021214175A1 (en) | 2021-12-13 | 2023-06-15 | Robert Bosch Gesellschaft mit beschränkter Haftung | Ultrasound-based measurement of ambient temperatures |
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|---|---|---|---|---|
| DE1904853A1 (en) * | 1968-01-31 | 1969-09-11 | Anvar | Device for measuring temperatures from a distance |
| EP1150135A1 (en) * | 2000-04-28 | 2001-10-31 | Valeo Schalter und Sensoren GmbH | Parking assistance device with temperature compensation |
| EP2290343A2 (en) * | 2009-08-27 | 2011-03-02 | Valeo Schalter und Sensoren GmbH | Method and device for determining the ambient temperature of an ultrasound sensor |
| CN102016635A (en) * | 2008-05-08 | 2011-04-13 | 罗伯特·博世有限公司 | Driver assistance method for moving a motor vehicle and driver assistance device |
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|---|---|---|---|---|
| JPS6333681A (en) * | 1986-07-29 | 1988-02-13 | Fuji Electric Co Ltd | Compensation of temperature characteristics |
| JPH1054872A (en) * | 1996-08-08 | 1998-02-24 | Tokico Ltd | Ultrasonic distance meter |
| JP2007183185A (en) * | 2006-01-06 | 2007-07-19 | Denso Corp | Ultrasonic sensor |
-
2012
- 2012-02-15 DE DE102012002979A patent/DE102012002979A1/en not_active Withdrawn
-
2013
- 2013-02-01 EP EP13702450.1A patent/EP2815250A1/en not_active Withdrawn
- 2013-02-01 CN CN201380009670.3A patent/CN104115026B/en not_active Expired - Fee Related
- 2013-02-01 WO PCT/EP2013/052024 patent/WO2013120706A1/en active Application Filing
- 2013-02-01 BR BR112014018840A patent/BR112014018840A8/en not_active IP Right Cessation
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1904853A1 (en) * | 1968-01-31 | 1969-09-11 | Anvar | Device for measuring temperatures from a distance |
| EP1150135A1 (en) * | 2000-04-28 | 2001-10-31 | Valeo Schalter und Sensoren GmbH | Parking assistance device with temperature compensation |
| CN102016635A (en) * | 2008-05-08 | 2011-04-13 | 罗伯特·博世有限公司 | Driver assistance method for moving a motor vehicle and driver assistance device |
| EP2290343A2 (en) * | 2009-08-27 | 2011-03-02 | Valeo Schalter und Sensoren GmbH | Method and device for determining the ambient temperature of an ultrasound sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013120706A1 (en) | 2013-08-22 |
| CN104115026A (en) | 2014-10-22 |
| DE102012002979A1 (en) | 2013-08-22 |
| BR112014018840A2 (en) | 2017-06-20 |
| EP2815250A1 (en) | 2014-12-24 |
| BR112014018840A8 (en) | 2017-07-11 |
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