CN110109126A - A kind of accessible acquisition sensor - Google Patents
A kind of accessible acquisition sensor Download PDFInfo
- Publication number
- CN110109126A CN110109126A CN201910307467.3A CN201910307467A CN110109126A CN 110109126 A CN110109126 A CN 110109126A CN 201910307467 A CN201910307467 A CN 201910307467A CN 110109126 A CN110109126 A CN 110109126A
- Authority
- CN
- China
- Prior art keywords
- block
- concave block
- fixed
- positive
- sensor
- 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
-
- 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
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes
Abstract
The invention discloses a kind of accessible acquisition sensors, including outline border, infrared sensor, signal amplification circuit, single-chip microcontroller, ultrasonic sensor, A/D conversion, USART interface and analog signal interface, the positive top of outline border is provided with convex block, the positive bottom end of outline border is provided with concave block, the outline border, convex block and concave block are an integral structure, the positive left lower of concave block is fixed with infrared sensor, and the concave block front above infrared sensor is fixed with signal amplification circuit.The accessible acquisition sensor is detected by adding ultrasonic sensor, so that single-chip microcontroller control external motor slows down, there is provided one for device can be with the changeover portion of deceleration buffer, the distance that device detection is improved while device detection accuracy is not influenced, it avoids unexpected emergency brake from influencing to experience by bus, so that device traveling is more steady, improves comfort level, and too fast generation the case where not in time of braking of speed is avoided, the safety of device is improved.
Description
Technical field
The present invention relates to sensor technical field, specially a kind of accessible acquisition sensor.
Background technique
Current acquisition sensor generally carries out avoidance using infrared sensor, although such method when carrying out avoidance
It is more accurate, but since infrared sensor detecting distance is short, in device driving process, if infrared sensor detects barrier
When hindering object, distance is shorter, and brake suddenly may will affect experiencing by bus for people, reduces comfort level, and if speed mistake
Also may cause brake fastly not in time, there are security risk, lack one can snubbing time, to guarantee that device can be steady
The full avoiding obstacles in Dingan County, therefore the accessible acquisition sensor of one kind is needed to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of accessible acquisition sensors, to solve mesh mentioned above in the background art
Preceding acquisition sensor generally uses infrared sensor when carrying out avoidance, but infrared sensor ranging is short, snubbing time
It is short, there are problems that security risk.
To achieve the above object, the invention provides the following technical scheme: a kind of accessible acquisition sensor, including outline border,
Infrared sensor, signal amplification circuit, single-chip microcontroller, ultrasonic sensor, A/D conversion, USART interface and analog signal interface,
The positive top of outline border is provided with convex block, and the positive bottom end of outline border is provided with concave block, the outline border, convex block and concave block
It is an integral structure, the positive left lower of concave block is fixed with infrared sensor, and the concave block above infrared sensor is just
Face is fixed with signal amplification circuit, and the positive middle position of concave block is fixed with single-chip microcontroller, the positive right side of concave block
Lower part is equipped with ultrasonic sensor, and the concave block front above ultrasonic sensor is provided with A/D and converts, inside the convex block
Middle position be fixed with USART interface, the output end of the infrared sensor and ultrasonic sensor all pass through conducting wire with
The input terminal of signal amplification circuit is electrically connected, and the output end of the signal amplification circuit is converted respectively with A/D by conducting wire, simulated
The input terminal of signaling interface is electrically connected, and the output end of the A/D conversion is electrically connected by conducting wire with the input terminal of single-chip microcontroller, described
The output end of single-chip microcontroller is electrically connected by conducting wire with the input terminal of USART interface.
Preferably, the front engaging of the concave block has sealing plate, and the two sides for sealing back are all symmetrically arranged with first
The middle position of fixture block, the sealing back is symmetrically arranged with the second fixture block, and the positive two sides of concave block are all fixed with
The first card slot being mutually clamped with the first fixture block, the positive middle position of concave block are symmetrically fixed with mutual with the second fixture block
Second card slot of engaging.
Preferably, the diameter of second card slot is equal to three times of the first card slot diameter, and the height of second card slot is big
In the height of the first card slot.
Preferably, the positive two sides of the convex block all offer fluting, the two sides on the sealing plate top be all welded with
It slots mutually matched fixed block, and is fixed between fixed block and fluting by screw.
Preferably, the positive lower part of the sealing plate symmetrically offers cavity, and knob is all welded on the inner wall of cavity.
Preferably, the knob is arc-shaped.
Preferably, the outline border lower surface below the infrared sensor and ultrasonic sensor is embedded with two Hes of opening respectively
Opening one.
Preferably, the vertical section of the opening one is trapezoidal, and the length scale of described opening a lower surface is equal to ultrasonic wave
Twice of sensor lower surface length scale.
Compared with prior art, the beneficial effects of the present invention are: the accessible acquisition sensor passes through in original technology
On the basis of add ultrasonic sensor, make up the short deficiency of infrared sensor ranging using the farther away ultrasonic sensor of ranging,
By the way that trapezoidal opening one is arranged so that the range of ultrasonic sensor detection increases, and fan-shaped transmitting ultrasonic wave into
Row detection reduces ultrasonic sensor by being influenced, and allows the detection that ultrasonic sensor is stable, works as supersonic sensing
When device detects object, signal is amplified by signal amplification circuit, is then converted by A/D and converts signal, pass through conducting wire
Single-chip microcontroller is passed to, single-chip microcontroller control external motor work is slowed down, and when infrared sensor detection object, can pass through letter
Number amplifying circuit amplifies signal, is then converted by A/D and carries out signal conversion, and passes to single-chip microcontroller, monolithic by conducting wire
Machine control device executes avoidance program, carries out avoidance operation well, and realization is accessible, is carried out by adding ultrasonic sensor
Detection, so that single-chip microcontroller control external motor slows down, providing one for device can not be influenced with the changeover portion of deceleration buffer
The distance that device detection is improved while device detection accuracy avoids unexpected emergency brake from influencing to experience by bus, so that device travels
It is more steady, comfort level is improved, and avoid too fast generation the case where not in time of braking of speed, has evaded security risk, mentioned
The high safety of device.
Detailed description of the invention
Fig. 1 is structure schematic elevation view of the invention；
Fig. 2 is that structure of the invention faces diagrammatic cross-section；
Fig. 3 is the partial structurtes back view signal of sealing plate in the present invention, the first fixture block, the second fixture block, fixed block and screw
Figure；
Fig. 4 is structure elevational schematic view of the invention；
Fig. 5 is that structure looks up diagrammatic cross-section at A-A in Fig. 2 of the invention；
Fig. 6 is circuit block diagram of the invention；
Fig. 7 is control flow chart of the invention.
In figure: 1, outline border；2, convex block；3, concave block；4, the first card slot；5, the second card slot；6, it slots；7, sealing plate；8,
One fixture block；9, the second fixture block；10, fixed block；11, screw；12, cavity；13, it shakes hands；14, infrared sensor；15, signal amplifies
Circuit；16, single-chip microcontroller；17, ultrasonic sensor；18, A/D is converted；19, opening one；20, USART interface；21, opening two；
22, analog signal interface.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-7 is please referred to, the present invention provides a kind of technical solution: a kind of accessible acquisition sensor, including it is outline border 1, red
Outer sensor 14, signal amplification circuit 15, single-chip microcontroller 16, ultrasonic sensor 17, A/D conversion 18, USART interface 20 and simulation
Signaling interface 22, the positive top of outline border 1 are provided with convex block 2, and the positive bottom end of outline border 1 is provided with concave block 3, outline border 1, convex block 2
It is an integral structure with concave block 3, the positive left lower of concave block 3 is fixed with infrared sensor 14, and 14 top of infrared sensor
3 front of concave block be fixed with signal amplification circuit 15, the positive middle position of concave block 3 is fixed with single-chip microcontroller 16,3 front of concave block
Lower right side ultrasonic sensor 17 is installed, and 3 front of concave block of 17 top of ultrasonic sensor is provided with A/D conversion
18, the middle position inside convex block 2 is fixed with USART interface 20, and 6 it is found that infrared sensor 14 and ultrasonic wave with reference to the accompanying drawings
The output end of sensor 17 all passes through conducting wire and is electrically connected with the input terminal of signal amplification circuit 15, the output of signal amplification circuit 15
End is electrically connected with the input terminal of A/D conversion 18, analog signal interface 22 respectively by conducting wire, and the output end of A/D conversion 18 passes through
Conducting wire is electrically connected with the input terminal of single-chip microcontroller 16, and the output end of single-chip microcontroller 16 passes through the input terminal of conducting wire and USART interface 20 electricity
Connection, the model of single-chip microcontroller 16 can be STM32, infrared sensor 14, signal amplification circuit 15, single-chip microcontroller 16, supersonic sensing
Device 17, A/D convert 18, USART interface 20 and the concrete model of analog signal interface 22 is set according to the specification size of device
Meter, and since above-mentioned part is all existing known technology, specific structure, working principle etc. carry out those skilled in the art
Say it is open and clear, this will not be repeated here.
The device is passed by adding ultrasonic sensor 17 on the basis of original technology using the farther away ultrasonic wave of ranging
Sensor 17 makes up the short deficiency of 14 ranging of infrared sensor, by the way that trapezoidal opening 1 is arranged, so that ultrasonic sensor
The ranges of 17 detections increase, and fan-shaped transmitting ultrasonic wave is detected, and reduction ultrasonic sensor 17 is made by being influenced
Ultrasonic sensor 17 can be stable detection, well carry out avoidance operation, realize it is accessible, by adding ultrasonic wave
Sensor 17 is detected, so that single-chip microcontroller 16 controls external motor and slows down, providing one for device can be with deceleration buffer
Changeover portion, do not influence to improve the distance of device detection while device detection accuracy, unexpected emergency brake avoided to influence to feel by bus
By so that device traveling it is more steady, improve comfort level, and avoid speed it is too fast brake not in time the case where generation, rule
Security risk has been kept away, the safety of device is improved.
With reference to the accompanying drawings shown in 1,2 and 3, the front engaging of concave block 3 has sealing plate 7, and the two sides at 7 back side of sealing plate are all symmetrical
It is provided with the first fixture block 8, the middle position at 7 back side of sealing plate is symmetrically arranged with the second fixture block 9, and the positive two sides of concave block 3 are all
It is fixed with the first card slot 4 being mutually clamped with the first fixture block 8, the positive middle position of concave block 3 is symmetrically fixed with and the second card
The second card slot 5 that block 9 is mutually clamped so that between sealing plate 7 and concave block 3 convenient for engaging, it is simple and quick, the second card slot 5 it is straight
Diameter is equal to three times of 4 diameter of the first card slot, and the height of the second card slot 5 is greater than the height of the first card slot 4, by the second card slot 5 with
The design of first card slot 4 diameter and height, so that sealing plate 7 engages stronger, 2 front of convex block with the intermediate position of concave block 3
Two sides all offer fluting 6, the two sides on 7 top of sealing plate be all welded with 6 mutually matched fixed blocks 10 of fluting, and it is fixed
It is fixed by screw 11 between block 10 and fluting 6, by the setting of fluting 6 and fixed block 10, so that sealing plate 7 and convex block 2 paste
Close smooth, there is no uneven situations, then are fixed by screw 11, so that sealing plate 7 is connect surely with outline border 1
Gu it is not easy to loosen, and it is convenient to dismount sealing plate 7 with outline border 1, it is convenient to overhaul.
With reference to the accompanying drawings shown in 1, the positive lower part of sealing plate 7 symmetrically offers cavity 12, and all welds on the inner wall of cavity 12
It is connected to knob 13, after unscrewing screw 11, by setting cavity 12 and knob 13, people's finger is facilitated to protrude into inside cavity 12,
And be bent finger and be bonded with 13 back sides of knob, sealing plate 7 can firmly be removed from outline border 1, simple and convenient, knob 13 is in arc
Shape is conveniently exerted oneself by the cambered design of knob 13 so that people's finger is bonded convenient for bending and with 13 back sides of knob, infrared
1 lower surface of outline border of 17 lower section of sensor 14 and ultrasonic sensor is embedded with opening 2 21 and opening 1 respectively, by opening
The design of mouth 2 21 and opening 1, facilitates the transmitting and reception of 17 signal of infrared sensor 14 and ultrasonic sensor, infrared
It is fixed between sensor 14 and ultrasonic sensor 17 and concave block 3 especially by external screw, avoids infrared sensor 14
It is loosened with ultrasonic sensor 17, the vertical section of opening 1 is trapezoidal, and the length scale of one 19 lower surfaces of opening is equal to ultrasound
Twice of 17 lower surface length scale of wave sensor, trapezoidal by the way that the vertical section of opening 1 to be arranged to, convenience for ultrasonic wave passes
Sensor 17 emits ultrasonic wave, and it is fan-shaped emit forwards, increase area of detection, and be arranged by the area of lower surface, into
One step increases area of detection, indirectly reduces influence of the ultrasonic sensor 17 by objective direction.
Working principle: with reference to the accompanying drawings 6 and attached drawing 7 it is found that when device carry out information collection when, device is in linear rows at this time
State is sailed, when ultrasonic sensor 17 detects object, can be amplified by the signal that signal amplification circuit 15 will test, so
Single-chip microcontroller 16 is passed to by conducting wire by after 18 conversion of A/D conversion, external motor Reduced Speed Now is controlled by single-chip microcontroller 16, outside
The input terminal for setting motor is electrically connected by conducting wire with the output end of USART interface 20, if infrared sensor 14 is not detected always
Object is then always maintained at deceleration regime, when infrared sensor 14 detects object, will test by signal amplification circuit 15
Then the signal amplification arrived passes to single-chip microcontroller 16 by conducting wire after 18 conversion of A/D conversion, then outside being controlled by single-chip microcontroller 16
Avoidance program is executed in device, until avoiding object, realizes avoidance operation；
When need to remove sealing plate 7 overhauled when, first unscrew the screw 11 on fixed block 10, then finger protrudes into sky
The inside of chamber 12 is simultaneously bent, and 13 rear-face contacts of finger belly and knob then firmly pull up, so that the first card slot 4 and the first fixture block 8,
Second card slot 5 and the second fixture block 9 are detached from fastening state, that is, sealing plate 7 may make to separate with outline border 1, so that the exposure of concave block 3, just
In maintenance, operation leaves it at that.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of accessible acquisition sensor, including outline border (1), infrared sensor (14), signal amplification circuit (15), single-chip microcontroller
(16), ultrasonic sensor (17), A/D conversion (18), USART interface (20) and analog signal interface (22), it is characterised in that:
The positive top of the outline border (1) is provided with convex block (2), and the positive bottom end of the outline border (1) is provided with concave block (3), described outer
Frame (1), convex block (2) and concave block (3) are an integral structure, and the positive left lower of the concave block (3) is fixed with infrared sensor
(14), concave block (3) front and above infrared sensor (14) is fixed with signal amplification circuit (15), concave block (3) front
Middle position be fixed with single-chip microcontroller (16), the positive lower right side of the concave block (3) is equipped with ultrasonic sensor (17),
And concave block (3) front above ultrasonic sensor (17) is provided with A/D conversion (18), the internal interposition of the convex block (2)
The place of setting is fixed with USART interface (20), and the output end of the infrared sensor (14) and ultrasonic sensor (17), which all passes through, leads
Line is electrically connected with the input terminal of signal amplification circuit (15), the output end of the signal amplification circuit (15) by conducting wire respectively with
A/D converts the input terminal electrical connection of (18), analog signal interface (22), the output end of A/D conversion (18) by conducting wire with
The input terminal of single-chip microcontroller (16) is electrically connected, and the output end of the single-chip microcontroller (16) passes through the input of conducting wire and USART interface (20)
End electrical connection.
2. a kind of accessible acquisition sensor according to claim 1, it is characterised in that: the front card of the concave block (3)
Conjunction has sealing plate (7), and the two sides at sealing plate (7) back side are all symmetrically arranged with the first fixture block (8), sealing plate (7) back side
Middle position be symmetrically arranged with the second fixture block (9), the positive two sides of the concave block (3) are all fixed with and the first fixture block (8)
The first card slot (4) being mutually clamped, the positive middle position of the concave block (3) are symmetrically fixed with mutual with the second fixture block (9)
The second card slot (5) of engaging.
3. a kind of accessible acquisition sensor according to claim 2, it is characterised in that: second card slot (5) it is straight
Diameter is equal to three times of the first card slot (4) diameter, and the height of second card slot (5) is greater than the height of the first card slot (4).
4. a kind of accessible acquisition sensor according to claim 2, it is characterised in that: the convex block (2) positive two
Side all offers fluting (6), and the two sides on sealing plate (7) top are all welded with and fluting (6) mutually matched fixed block
(10), and it is fixed by screw (11) between fixed block (10) and fluting (6).
5. a kind of accessible acquisition sensor according to claim 2, it is characterised in that: the sealing plate (7) is positive
Lower part symmetrically offers cavity (12), and knob (13) are all welded on the inner wall of cavity (12).
6. a kind of accessible acquisition sensor according to claim 5, it is characterised in that: the knob (13) is arc-shaped.
7. a kind of accessible acquisition sensor according to claim 1, it is characterised in that: the infrared sensor (14) and
Outline border (1) lower surface below ultrasonic sensor (17) is embedded with one (19) of opening two (21) and opening respectively.
8. a kind of accessible acquisition sensor according to claim 7, it is characterised in that: the perpendicular of one (19) of the opening is cut
Face is trapezoidal, and the length scale of one (19) lower surface of the opening is equal to the two of ultrasonic sensor (17) lower surface length scale
Times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910307467.3A CN110109126A (en) | 2019-04-17 | 2019-04-17 | A kind of accessible acquisition sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910307467.3A CN110109126A (en) | 2019-04-17 | 2019-04-17 | A kind of accessible acquisition sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110109126A true CN110109126A (en) | 2019-08-09 |
Family
ID=67485603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910307467.3A Withdrawn CN110109126A (en) | 2019-04-17 | 2019-04-17 | A kind of accessible acquisition sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110109126A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1861330A (en) * | 2005-05-11 | 2006-11-15 | Lg电子株式会社 | Mobile robot having obstacle avoidance function and method therefor |
| CN201373848Y (en) * | 2009-03-06 | 2009-12-30 | 深圳市特安电子有限公司 | Infrared gas sensor and infrared gas detection device |
| CN102445694A (en) * | 2011-09-20 | 2012-05-09 | 中南大学 | Navigation robot obstacle detection method and system |
| CN103529450A (en) * | 2013-10-21 | 2014-01-22 | 深圳市米克力美科技有限公司 | Barrier detection method and device thereof for automatic guided vehicle |
| CN203580770U (en) * | 2013-11-11 | 2014-05-07 | 昆明理工大学 | Device for measuring vehicle distance on basis of ultrasonic wave and infrared ray |
| US9121920B2 (en) * | 2010-10-21 | 2015-09-01 | GM Global Technology Operations LLC | Method for operating at least one sensor of a vehicle and vehicle having at least one sensor |
-
2019
- 2019-04-17 CN CN201910307467.3A patent/CN110109126A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1861330A (en) * | 2005-05-11 | 2006-11-15 | Lg电子株式会社 | Mobile robot having obstacle avoidance function and method therefor |
| CN201373848Y (en) * | 2009-03-06 | 2009-12-30 | 深圳市特安电子有限公司 | Infrared gas sensor and infrared gas detection device |
| US9121920B2 (en) * | 2010-10-21 | 2015-09-01 | GM Global Technology Operations LLC | Method for operating at least one sensor of a vehicle and vehicle having at least one sensor |
| CN102445694A (en) * | 2011-09-20 | 2012-05-09 | 中南大学 | Navigation robot obstacle detection method and system |
| CN103529450A (en) * | 2013-10-21 | 2014-01-22 | 深圳市米克力美科技有限公司 | Barrier detection method and device thereof for automatic guided vehicle |
| CN203580770U (en) * | 2013-11-11 | 2014-05-07 | 昆明理工大学 | Device for measuring vehicle distance on basis of ultrasonic wave and infrared ray |
Non-Patent Citations (1)
| Title |
|---|
| 刘浩等: "《载货汽车能耗及载荷实时监测系统关键技术》", 31 August 2015, 中国经济出版社 * |
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Application publication date: 20190809 |