CN108459325A - A kind of ultrasonic sensor - Google Patents
A kind of ultrasonic sensor Download PDFInfo
- Publication number
- CN108459325A CN108459325A CN201810432096.7A CN201810432096A CN108459325A CN 108459325 A CN108459325 A CN 108459325A CN 201810432096 A CN201810432096 A CN 201810432096A CN 108459325 A CN108459325 A CN 108459325A
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- CN
- China
- Prior art keywords
- ultrasonic sensor
- sensor
- chamber
- ultrasonic
- outer housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- 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
-
- 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
- G01S7/521—Constructional features
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention discloses a kind of ultrasonic sensors, including sensor outer housing, the sensor outer housing is internally provided with sensor stand, the sensor stand includes seating side and fixing side, the seating side is contacted with sensor outer housing, the fixing side is vertically arranged with ultrasonic sensor chamber and lower ultrasonic sensor chamber, on described, lower ultrasonic sensor intracavitary is provided with probe mouth, on described, lower ultrasonic sensor chamber is used for mounting ultrasonic sensor, the test surface and ground-angle of the ultrasonic sensor of the upper ultrasonic sensor chamber installation are 90 °, the test surface and ground-angle of the ultrasonic sensor of the lower ultrasonic sensor chamber installation are 45 °.For lorry, the combination by Multi probe in spatial position, two groups of ultrasonic probe longitudinal arrangements are in straight-down negative structure, realize all standing of investigative range, effectively reduce accident when lorry reversing.
Description
Technical field
The present invention relates to a kind of ultrasonic sensors, are sensed more particularly to a kind of Ultrasonic Range Finder for Parking for lorry
Device.
Background technology
Currently, Ultrasonic Range Finder for Parking by penetration power is strong, albedo is strong, range measurement principle is simple, range accuracy is high, at
The features such as this is low has been widely used for vehicle drive and is assisted with reversing.
But the signal excitation circuit of current ultrasonic sensor only connects a ultrasonic probe, can only pass through ultrasound
The time difference of wave probe transmitting-receiving ultrasonic wave calculates detected material distance, can not obtain the coordinate information of barrier；In the market super
Sonic sensor matches detection to obtain the coordinate information of barrier by multiple sensors, but if barrier is not at two
When the region that adjacent radar collectively covers, the problem of can not equally obtaining coordinate information.
Ultrasonic Range Finder for Parking has become the standard configuration of passenger car, but in the dress of commercial car field, especially lorry
It is still very low with rate.Since the self-characteristic of lorry, such as current lorry are mostly higher wider, common radar for backing car is because of peace
Fill the bigger of short-distance blind section caused by excessive height.The present invention is therefore.
Invention content
In order to solve the limitation due to single probe beam angle, the technology of short-distance blind section caused by lorry mounting height is excessively high
Problem, the present invention provides a kind of ultrasonic sensor for lorry, the combination by Multi probe in spatial position, two groups super
Sonic probe longitudinal arrangement is in straight-down negative structure, realizes all standing of investigative range, effectively reduces accident when lorry reversing.
The technical scheme is that：
A kind of ultrasonic sensor, including sensor outer housing, the sensor outer housing are internally provided with sensor stand, the biography
Sensor bracket includes seating side and fixing side, and the seating side is contacted with sensor outer housing, and the fixing side is longitudinal
It is provided with ultrasonic sensor chamber and lower ultrasonic sensor chamber, the upper and lower ultrasonic sensor intracavitary is provided with probe
Mouthful, the upper and lower ultrasonic sensor chamber is used for mounting ultrasonic sensor, the ultrasound of the upper ultrasonic sensor chamber installation
The test surface of wave sensor is 90 ° with ground-angle, the detection of the ultrasonic sensor of the lower ultrasonic sensor chamber installation
Face is 45 ° with ground-angle.
In preferred technical solution, the top of the fixing side is provided with overhead gage, and middle part is provided with barricade, and lower part is set
It is equipped with lower baffle plate, the upper ultrasonic sensor chamber of upper surface composition of the overhead gage and barricade, the lower surface of the barricade is under
Baffle constitutes lower ultrasonic sensor chamber, and the overhead gage is parallel to the ground, and the lower baffle plate is in 45 ° with ground, the barricade
Upper surface and the angle of lower surface be 45 °.
In preferred technical solution, clamping baffle, the clamping baffle are provided in the middle part of the overhead gage and lower baffle plate
Higher than overhead gage and lower baffle plate.
In preferred technical solution, the upper surface of the sensor outer housing is covered with silicagel pad.
In preferred technical solution, the sensor outer housing surface is provided with a strip groove, is set in the strip groove
It is equipped with the probe installing port with the probe mouth cooperation of upper and lower ultrasonic sensor intracavitary.
Compared with prior art, it is an advantage of the invention that：
1, the present invention proposes a kind of new ultrasonic sensor package assembly, and two ultrasonic probe file arrangements can be installed
In container bottom, while the combination by Multi probe in spatial position, it can solve caused by mounting height is excessively high closely
Blind area can solve the limitation of ultrasonic probe itself field angle, realize all standing of investigative range, when effectively reducing lorry reversing
Accident.
2, the structure is integrated, and ECU, sensor are installed on inside rack body, and harness is pierced by branch by plug
Frame ontology；It is shaken in the silicagel pad buffering lorry driving process of upper layer；Silicagel pad covers rack body, passes through the spiral shell containing sealing ring
Silk is attached to wagon cargo box bottom, plays the role of water proof and dust proof；This structure has good water proof and dust proof shockproof effect, reliability
It is good.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and embodiments：
Fig. 1 is the overall structure diagram of ultrasonic sensor of the present invention；
Fig. 2 is the section view of ultrasonic sensor of the present invention；
Fig. 3 is the structural schematic diagram of the sensor stand of ultrasonic sensor of the present invention.
Specific implementation mode
In order to make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment and join
According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright range.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid this is unnecessarily obscured
The concept of invention.
Embodiment：
Below in conjunction with the accompanying drawings, presently preferred embodiments of the present invention is described further.
As shown in Figs. 1-3, a kind of ultrasonic sensor of the invention, including sensor outer housing 10,10 table of sensor outer housing
Face is provided with a strip groove 11, is provided in strip and pacifies with the probe of the probe mouth cooperation of upper and lower ultrasonic sensor intracavitary
Fill mouth（12,13）.
Sensor outer housing 10 is internally provided with sensor stand 100, and sensor stand 100 is used for mounting ultrasonic sensor
Keep ultrasonic sensor between relative position, sensor stand 100 include seating side and fixing side, seating side with
Sensor outer housing contacts, and sensor stand 100 is mounted on sensor outer housing by sensor stand 100 by seating side
10, such as can be screwed, mounting hole 101 can be set in the upper and lower ends of sensor stand 100, worn by screw
Mounting hole 101 is crossed to be fixed on sensor outer housing 10.
The fixing side of sensor stand 100 is vertically arranged with ultrasonic sensor chamber 110 and lower ultrasonic sensor
Chamber 120, upper and lower ultrasonic sensor intracavitary are provided with probe mouth 111, upper and lower ultrasonic sensor chamber（110,120）For pacifying
Ultrasonic sensor 30 is filled, the test surface for the ultrasonic sensor that upper ultrasonic sensor chamber 110 is installed is with ground-angle
90 °, test surface and the ground-angle of the ultrasonic sensor that lower ultrasonic sensor chamber 120 is installed are 45 °.Top ultrasonic wave passes
Sensor is mainly used for detecting medium and long distance barrier, and lower section ultrasonic sensor is mainly used for detecting short distance barrier, the two
It is fitted to each other.
As shown in figure 3, the top of fixing side is provided with overhead gage 130, middle part is provided with barricade 140, and lower part is provided with
The upper surface 141 of lower baffle plate 150, overhead gage 130 and barricade constitutes upper ultrasonic sensor chamber 110, overhead gage 130 and barricade
The structure of the inner surface of upper surface 141 and the surface engagement of ultrasonic sensor are kept off for installing mounting ultrasonic sensor
The lower surface 142 of wall constitutes lower ultrasonic sensor chamber 120, lower surface 142 and the lower baffle plate 150 of barricade with lower baffle plate 150
The structure of inner surface and the surface engagement of ultrasonic sensor, for installing mounting ultrasonic sensor.Overhead gage 130 and ground
Face is parallel, and lower baffle plate 150 is in 45 ° with ground, and the upper surface of barricade 140 and the angle of lower surface are 45 °.
For mounting ultrasonic sensor, the middle part of overhead gage 130 and lower baffle plate 150 is provided with clamping baffle（131,
151）, clamping baffle（131,151）Higher than overhead gage 130 and lower baffle plate 150.
The upper surface of sensor outer housing 10 is covered with silicagel pad 20, and the upper surface of sensor outer housing 10 is additionally provided with installation
Hole can be installed on wagon cargo box bottom, and upper layer silicagel pad 20 can buffer to be shaken in lorry driving process, by containing sealing
The screw locking of circle plays the role of water proof and dust proof in wagon cargo box bottom.
ECU, ultrasonic sensor are installed on inside sensor outer housing, and harness is pierced by sensor outer housing by plug.
It should be understood that the above-mentioned specific implementation mode of the present invention is used only for exemplary illustration or explains the present invention's
Principle, but not to limit the present invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention
Covering the whole variations dropped out in attached claim scope and boundary or this range and the equivalent form on boundary and is repairing
Change example.
Claims (5)
1. a kind of ultrasonic sensor, which is characterized in that including sensor outer housing, the sensor outer housing is internally provided with sensing
Device holder, the sensor stand include seating side and fixing side, and the seating side is contacted with sensor outer housing, described
Fixing side is vertically arranged with ultrasonic sensor chamber and lower ultrasonic sensor chamber, the upper and lower ultrasonic sensor chamber
It is inside provided with probe mouth, the upper and lower ultrasonic sensor chamber is used for mounting ultrasonic sensor, the upper ultrasonic sensor
The test surface of the ultrasonic sensor of chamber installation is 90 ° with ground-angle, the ultrasonic wave of the lower ultrasonic sensor chamber installation
The test surface of sensor is 45 ° with ground-angle.
2. ultrasonic sensor according to claim 1, which is characterized in that the top of the fixing side is provided with gear
Plate, middle part are provided with barricade, and lower part is provided with lower baffle plate, the upper ultrasonic sensor of upper surface composition of the overhead gage and barricade
Chamber, lower surface and the lower baffle plate of the barricade constitute lower ultrasonic sensor chamber, and the overhead gage is parallel to the ground, the lower block
Plate is in 45 ° with ground, and the upper surface of the barricade and the angle of lower surface are 45 °.
3. ultrasonic sensor according to claim 2, which is characterized in that the middle part of the overhead gage and lower baffle plate is arranged
There are clamping baffle, the clamping baffle to be higher than overhead gage and lower baffle plate.
4. ultrasonic sensor according to claim 1, which is characterized in that the upper surface of the sensor outer housing is covered with
Silicagel pad.
5. ultrasonic sensor according to claim 1, which is characterized in that the sensor outer housing surface is provided with one
Shape groove is provided with the probe installing port with the probe mouth cooperation of upper and lower ultrasonic sensor intracavitary in the strip groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810432096.7A CN108459325A (en) | 2018-05-08 | 2018-05-08 | A kind of ultrasonic sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810432096.7A CN108459325A (en) | 2018-05-08 | 2018-05-08 | A kind of ultrasonic sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108459325A true CN108459325A (en) | 2018-08-28 |
Family
ID=63214965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810432096.7A Pending CN108459325A (en) | 2018-05-08 | 2018-05-08 | A kind of ultrasonic sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108459325A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109814114A (en) * | 2019-01-15 | 2019-05-28 | 北京百度网讯科技有限公司 | A kind of ultrasonic radar array, obstacle detection method and system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060000159A (en) * | 2004-06-28 | 2006-01-06 | 현대자동차주식회사 | Back warning sensor mounting structure of a vehicle |
| CN203198864U (en) * | 2013-04-01 | 2013-09-18 | 北京汽车股份有限公司 | Installation structure of ultrasonic wave sensor |
| CN104965204A (en) * | 2015-07-03 | 2015-10-07 | 南京金龙新能源汽车研究院有限公司 | System and method of eliminating blind area of vehicle reversing radar |
| CN204915505U (en) * | 2015-06-09 | 2015-12-30 | 苏州大学 | Two dimension radar system that backs a car based on ultrasonic ranging |
| CN205121339U (en) * | 2015-11-04 | 2016-03-30 | 北京进化者机器人科技有限公司 | Indoor barrier sensing device that keeps away of robot |
| CN208125923U (en) * | 2018-05-08 | 2018-11-20 | 清华大学苏州汽车研究院（吴江） | A kind of ultrasonic sensor |
-
2018
- 2018-05-08 CN CN201810432096.7A patent/CN108459325A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060000159A (en) * | 2004-06-28 | 2006-01-06 | 현대자동차주식회사 | Back warning sensor mounting structure of a vehicle |
| CN203198864U (en) * | 2013-04-01 | 2013-09-18 | 北京汽车股份有限公司 | Installation structure of ultrasonic wave sensor |
| CN204915505U (en) * | 2015-06-09 | 2015-12-30 | 苏州大学 | Two dimension radar system that backs a car based on ultrasonic ranging |
| CN104965204A (en) * | 2015-07-03 | 2015-10-07 | 南京金龙新能源汽车研究院有限公司 | System and method of eliminating blind area of vehicle reversing radar |
| CN205121339U (en) * | 2015-11-04 | 2016-03-30 | 北京进化者机器人科技有限公司 | Indoor barrier sensing device that keeps away of robot |
| CN208125923U (en) * | 2018-05-08 | 2018-11-20 | 清华大学苏州汽车研究院（吴江） | A kind of ultrasonic sensor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109814114A (en) * | 2019-01-15 | 2019-05-28 | 北京百度网讯科技有限公司 | A kind of ultrasonic radar array, obstacle detection method and system |
| CN109814114B (en) * | 2019-01-15 | 2021-12-24 | 北京百度网讯科技有限公司 | Ultrasonic radar array, obstacle detection method and system |
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