CN106443796B - A kind of automatic carry out aqueous vapor media recognition bottoms out sensor and method - Google Patents
A kind of automatic carry out aqueous vapor media recognition bottoms out sensor and method Download PDFInfo
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- CN106443796B CN106443796B CN201510957275.9A CN201510957275A CN106443796B CN 106443796 B CN106443796 B CN 106443796B CN 201510957275 A CN201510957275 A CN 201510957275A CN 106443796 B CN106443796 B CN 106443796B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/02—Analysing fluids
- G01N29/032—Analysing fluids by measuring attenuation of acoustic waves
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Abstract
A kind of automatic carry out aqueous vapor media recognition bottoms out sensor and method, including former and later two warehouses, has an interspace between front and back warehouse；Installation transmitting and receive ultrasonic chip respectively inside front and back warehouse, two kinds of chips are located at above-mentioned gap both sides, also have in warehouse magnetic approach switch and by ultra low-power microcontroller, ultrasound detection module, bottom out the detection circuit that detection module three parts form.Its method includes being mounted on sensor on the hoisting mechanism of bottom-sitting type equipment, detects whether to sit bottom using the distance change of magnetic part and magnetic approach switch, be detected whether into water using the difference in attenuation of ultrasonic wave in air and water.The test method that the present invention is combined using ultrasound detection and magnetic switch, has prevented to bottom out maloperation caused by process on investigation boat deck；The reliability and stability of sensor output signal is greatly improved using ultra low-power microcontroller；Four kinds of signal conditions of sensor output can expand the judgement for being applied to ocean measuring instrument operation process.
Description
Technical field
The invention belongs to Ocean Surveying field of general technology, and in particular to a kind of automatic carry out aqueous vapor media recognition bottoms out
Sensor and method.
Background technology
Many Ocean Surveying equipment need bottoming out process and control the startup of submarine survey work by discriminating device.Mesh
The preceding country develop it is a plurality of types of bottom out sensor under water, as patent 201420466785.7 (a kind of deep water it is contactless touch
Hair switch), 201420182678.1 (a kind of hydraulic legs bottom out sensor), 201210434757.2 (a kind of underwater magnetic is close
Switch), 200510061926.2 (a kind of Deap-sea magnetic triggering swiths) etc..These bottom out sensor and utilize magnetic part under water
The relative position of (such as magnet) and switch element changes to realize the differentiation for the process of bottoming out.But bottom out sensing when use is this
When the equipment of device is parked on investigation boat deck, due to being in and bottomed state similar when the seat bottom of seabed, it is thus possible to can lead
The startup for causing measurement process, to generate maloperation.In order to avoid such case, mostly used in the past equipment forced interruption or
Magnetic part and switch element are carried out to the mode of mandatory physical isolation.This mode is not only inconvenient, but also easy pair sets
It is standby to generate damage.In order to solve this problem, what the present invention proposed a kind of automatic carry out aqueous vapor media recognition bottoms out sensor,
Can effectively identification equipment bottom out still park above deck under water, when to ensure that bottom-sitting type equipment only bottoms out under water
Measurement process is triggered, to improve the efficiency and reliability of measurement.
Invention content
Sensor and method are bottomed out it is an object of the present invention to provide a kind of automatic carry out aqueous vapor media recognition, it is existing to overcome
The deficiency of technology.
A kind of automatic carry out aqueous vapor media recognition bottoms out sensor, it is characterised in that including by former and later two warehouse groups
At pressure-resistant seal cabin, former and later two described warehouses are connected with each other with interface channel, and have one between former and later two warehouses
Gap；The preceding warehouse front end is equipped with drive end bearing bracket, and watertight connector is installed on drive end bearing bracket；
The ultrasonic chip of installation transmitting and the ultrasonic chip of reception or respectively installation receive respectively inside the forward and backward warehouse
Ultrasonic chip and the ultrasonic chip of transmitting, and the ultrasonic chip of transmitting is located at the two of above-mentioned gap with ultrasonic chip is received
Side, magnetic approach switch is equipped in sealed compartment and the magnetic approach switch is close to the installation of bulkhead medial surface, transmitting ultrasound
Chip, the ultrasonic chip of reception and magnetic approach switch are connected by conducting wire with the detection circuit inside preceding warehouse respectively；
The output end of the detection circuit is connected with watertight connector, is used for the output of detection data；
The detection circuit includes ultra low-power microcontroller, ultrasound detection module and bottoms out detection module three parts；It is described super
Sound detection module is made of launch driving circuit, reception amplifying circuit, signal transformation circuit and pulse counter；Wherein, emit
Driving circuit one end is connected with the ultrasonic chip of transmitting, and the other end connects ultra low-power microcontroller；Amplifying circuit one end is received to connect
Receive ultrasonic chip, the other end is successively after signal transformation circuit and pulse counter, with parallel port data line and ultra low-power microcontroller
It is connected；
The detection module that bottoms out includes the main switch circuit for being connected with auxiliary protection circuit, the output of auxiliary protection circuit
End is directly connected with ultra low-power microcontroller.
There is O-ring in the junction of the drive end bearing bracket and rear end cap and gas-tight silo, to ensure the watertightness in warehouse.
It carries out in water, gas medium bottoming out knowledge method for distinguishing automatically using the sensor, it is characterised in that including following
Step：
1) the sensor is mounted on the hoisting mechanism of bottom-sitting type Ocean Surveying equipment, and by the sensor and power supply
Connection installs external magnetic force component at the top of the bottom-sitting type Ocean Surveying equipment, by hoisting mechanism that bottom-sitting type is extra large
Foreign measuring apparatus lifts in water, with the lifting or release of hoisting mechanism, the external magnetic force component and magnetic approach switch
Distance variation out of induction range to outside induction range or opposite variation occurs；
2) described to bottom out inspection when external magnetic force component enters the induction range of magnetic approach switch in hoisting process
It surveys module and exports high level；When external magnetic force component leaves the induction range of magnetic approach switch, detection module output is bottomed out
For low level, ultra low-power microcontroller is by the height of detection output level, the detection bottomed out with realization；And by the low of output
Level is identified as 0, that is, indicates not bottom out, and the high level of output is identified as 1, that is, indicates to bottom out；
3) in hoisting process, the ultrasound detection module completes aqueous vapor media recognition in accordance with the following steps：
The ultrasonic trigger pulse of ultra low-power microcontroller output, by the ultrasonic chip transmitting of transmitting after being driven by launch driving circuit
Ultrasonic wave；After ultrasonic wave is through the medium in two wall of forward and backward warehouse and gap, it is received ultrasonic wafer receipt, received signal
Successively via receiving amplifying circuit amplification, being counted through signal transformation circuit shaping, then by pulse counter, finally by simultaneously
Mouth data line gives count results to ultra low-power microcontroller；
Since the difference in attenuation of ultrasonic wave in air and water is very big, leading to the signal amplitude received, also there were significant differences,
Therefore ultra low-power microcontroller judges between forward and backward warehouse that the medium in gap is water or air according to step-by-step counting result,
To realize aqueous vapor media recognition；When being identified as aqueous medium, output 1, when being identified as air dielectric, output 0；
4) ultra low-power microcontroller is connected by step 2) and aqueous vapor media recognition 3) and after bottoming out detection by watertight
Device is connect to be able to export four kinds of signal conditions outward：
"00"：Air dielectric does not bottom out；
"01"：Air dielectric bottoms out；
"10"：Aqueous medium does not bottom out；
"11"：Aqueous medium bottoms out；
5) show that bottom-sitting type measuring apparatus is in seabed supported on the seabed condition when signal condition is " 11 ".
In above-mentioned steps 3, using the arbitrary integer between 10~40 as umber of pulse threshold value, when ultra low-power microcontroller receives
Umber of pulse be more than the threshold value when, by the media recognition residing for sensor be aqueous medium, when the umber of pulse received be less than the threshold
It is air dielectric by media recognition when value.
It is characteristic of the invention that：The test method being combined using ultrasound detection and magnetic switch is measured for bottom-sitting type
The underwater of equipment bottoms out detection, and Detection accuracy is high, can prevent to bottom out maloperation caused by process on investigation boat deck；Using
Ultra low-power microcontroller, the reliability and stability of sensor output signal can be greatly improved by knowing method for distinguishing by software；It passes
Four kinds of signal conditions of sensor output can expand the judgement for being applied to ocean measuring instrument operation process.
Description of the drawings
The vertical section schematic diagram of Fig. 1 present invention
Cross-sectional view at the pressure-resistant seal cabin spontaneous emission ultrasound chip of Fig. 2 present invention or the ultrasonic chip of reception
The detection circuit functional block diagram of Fig. 3 present invention
Wherein, 1. pressure-resistant seal cabin, 2. drive end bearing bracket, 3. rear end cap, 4. watertight connector 5.O shapes circle 6. emits ultrasonic crystalline substance
Piece 7. receives 10. ultra low-power microcontroller of ultrasonic chip 8. detection circuit board, 9. magnetic approach switch, 11. ultrasound detection module
12. bottoming out 13. launch driving circuit 14. of detection module receives 15. signal transformation circuit of amplifying circuit, 16. pulse counter
17. 18. main switch circuit of parallel port data line, 19. auxiliary protection circuit, 20. external magnetic force component
Specific implementation mode
As shown in Figure 1, 2, 3, a kind of automatic carry out aqueous vapor media recognition bottoms out sensor, it is characterised in that including by
The pressure-resistant seal cabin 1 of former and later two warehouses composition, former and later two described warehouses are connected with each other with interface channel, and forward and backward two
There is an interspace between a warehouse；The preceding warehouse front end is equipped with drive end bearing bracket 2, and watertight connector 4 is installed on drive end bearing bracket 2；
The ultrasonic chip 6 of installation transmitting and the ultrasonic chip 7 of reception or respectively installation connect respectively inside the forward and backward warehouse
Receive ultrasonic chip 7 and the ultrasonic chip 6 of transmitting, and the transmitting ultrasound chip 6 and receive ultrasonic chip 7 be located at it is above-mentioned between
The both sides of gap, magnetic approach switch 9 is equipped in sealed compartment 1 and the magnetic approach switch 9 is close to the installation of bulkhead medial surface, described
The ultrasonic chip 6 of transmitting receives ultrasonic chip 7 and magnetic approach switch 9 respectively by conducting wire and the detection inside preceding warehouse
Circuit 8 is connected；
The output end of the detection circuit 8 is connected with watertight connector 4, is used for the output of detection data；
The detection circuit 8 is including ultra low-power microcontroller 10, ultrasound detection module 11 and bottoms out 12 three parts of detection module；
The ultrasound detection module 11 is by launch driving circuit 13, reception amplifying circuit 14, signal transformation circuit 15 and pulse counter
16 compositions；Wherein, 13 one end of launch driving circuit is connected with transmitting ultrasound chip 6, and the other end connects ultra low-power microcontroller 10；It connects
Receive the connection of amplifying circuit 14 one end and receive ultrasonic chip 7, the other end successively after signal transformation circuit 15 and pulse counter 16,
It is connected with ultra low-power microcontroller 10 with parallel port data line 17；
The detection module 12 that bottoms out includes the main switch circuit 18 for being connected with auxiliary protection circuit 19, auxiliary protection circuit
19 output end is directly connected with ultra low-power microcontroller 10.
Such as Fig. 1, the drive end bearing bracket 2 and rear end cap 3 and the junction of gas-tight silo have O-ring 5, to ensure the watertight in warehouse
Property.
It carries out in water, gas medium bottoming out knowledge method for distinguishing automatically using the sensor, it is characterised in that including following
Step：
1) the sensor is mounted on the hoisting mechanism of bottom-sitting type Ocean Surveying equipment, and by the sensor and power supply
Connection passes through hoisting mechanism in the top of bottom-sitting type Ocean Surveying equipment installation external magnetic force component 20 (such as magnet)
Bottom-sitting type Ocean Surveying equipment hoisting is entered in water, with the lifting or release of hoisting mechanism, the external magnetic force component 20 with
Variation out of induction range to outside induction range or opposite variation occur for the distance of magnetic approach switch 9；
2) described to bottom out when external magnetic force component 20 enters the induction range of magnetic approach switch 9 in hoisting process
Detection module 12 exports high level；When external magnetic force component 20 leaves the induction range of magnetic approach switch 9, detection mould is bottomed out
The output of block 12 is low level, and ultra low-power microcontroller 10 is by the height of detection output level, the detection bottomed out with realization；And
The low level of output is identified as 0, that is, indicates not bottom out, the high level of output is identified as 1, that is, indicates to bottom out；
3) in hoisting process, the ultrasound detection module 11 completes aqueous vapor media recognition in accordance with the following steps：
Ultra low-power microcontroller 10 exports ultrasonic trigger pulse, by the ultrasonic chip of transmitting after being driven by launch driving circuit 13
6 transmitting ultrasonic waves；After ultrasonic wave is through the medium in two wall of forward and backward warehouse and gap, it is received the reception of ultrasonic chip 7, is received
Signal successively via receiving the amplification of amplifying circuit 14, counted through 15 shaping of signal transformation circuit, then by pulse counter 16
Number, count results are given to ultra low-power microcontroller 10 finally by parallel port data line 17；
Since the difference in attenuation of ultrasonic wave in air and water is very big, leading to the signal amplitude received, also there were significant differences,
Therefore ultra low-power microcontroller 10 judges that the medium in gap is water or sky between forward and backward warehouse according to step-by-step counting result
Gas, to realize aqueous vapor media recognition；When being identified as aqueous medium, output 1, when being identified as air dielectric, output 0；
4) ultra low-power microcontroller 10 passes through watertight by step 2) and aqueous vapor media recognition 3) and after bottoming out detection
Connector 4 is able to export four kinds of signal conditions outward：
"00"：Air dielectric does not bottom out；
"01"：Air dielectric bottoms out；
"10"：Aqueous medium does not bottom out；
"11"：Aqueous medium bottoms out；
5) show that bottom-sitting type measuring apparatus is in seabed supported on the seabed condition when signal condition is " 11 ".
In above-mentioned steps 3, using the arbitrary integer between 10~40 as umber of pulse threshold value, when ultra low-power microcontroller 10 receives
It is aqueous medium by the media recognition residing for sensor when the umber of pulse arrived is more than the threshold value, is somebody's turn to do when the umber of pulse received is less than
It is air dielectric by media recognition when threshold value.
Embodiment
The pressure-resistant seal storehouse 1 comprising gas-tight silo ontology, drive end bearing bracket 2 and rear end cap 3.Gas-tight silo ontology includes main body
Former and later two warehouses for separating, being only connected with slype, there are between one fixed width between the adjacent outer wall of two warehouses
Gap.Watertight connector 4 is installed on drive end bearing bracket 2.Drive end bearing bracket 2 and rear end cap 3 are connected with gas-tight silo ontology, and there is O-ring 5 in junction,
To ensure the watertightness in warehouse.
The pressure-resistant seal storehouse, the ultrasonic chip 6 of fixed transmitting and reception respectively on the adjacent inner wall of former and later two warehouses
Ultrasonic chip 7, two plates position can be interchanged, and are connected respectively by the indoor detection circuit in conducting wire and preceding storehouse 8.
The pressure-resistant seal storehouse is connected in the channel of former and later two warehouses other than placing ultrasonic chip conducting wire, also solid
If magnetic approach switch 9, magnetic approach switch 9 is connected by conducting wire with detection circuit board 8.
The detection circuit board 8, output end are connected with watertight connector 4, are used for the output of detection data.
The detection circuit board 8 comprising ultra low-power microcontroller 10, ultrasound detection module 11 and bottom out detection module 12 3
Part.The ultrasound detection module 11 is by launch driving circuit 13, reception amplifying circuit 14, signal transformation circuit 15 and pulsimeter
Number device 16 forms；13 one end of launch driving circuit is connected with transmitting ultrasound chip 6, and the other end connects ultra low-power microcontroller 10；It connects
Receive the connection of amplifying circuit 14 one end and receive ultrasonic chip 7, the other end successively after signal transformation circuit 15 and pulse counter 16,
It is connected with ultra low-power microcontroller 10 with parallel port data line 17.It is described to bottom out detection module 12 comprising main switch circuit 18 and auxiliary
Protection circuit 19, output end is helped directly to be connected with ultra low-power microcontroller 10.
Claims (1)
1. a kind of automatic carry out aqueous vapor media recognition bottoms out sensor, it is characterised in that including being made of former and later two warehouses
Pressure-resistant seal cabin（1）, former and later two described warehouses are connected with each other with interface channel, and have one between former and later two warehouses
Gap；The preceding warehouse front end is equipped with drive end bearing bracket（2）, drive end bearing bracket（2）Upper installation watertight connector（4）；
Installation emits ultrasonic chip respectively inside the forward and backward warehouse（6）With the ultrasonic chip of reception（7）Or installation connects respectively
Receive ultrasonic chip（7）With the ultrasonic chip of transmitting（6）, and the transmitting ultrasound chip（6）With the ultrasonic chip of reception（7）Position respectively
Both sides in above-mentioned gap, pressure-resistant seal cabin（1）It is interior to be equipped with magnetic approach switch（9）And the magnetic approach switch（9）It is close to cabin
Wall medial surface is installed, the transmitting ultrasound chip（6）, receive ultrasonic chip（7）And magnetic approach switch（9）Respectively by leading
Line and the detection circuit inside preceding warehouse（8）It is connected；
The detection circuit（8）Output end and watertight connector（4）It is connected, is used for the output of detection data；
The detection circuit（8）Including ultra low-power microcontroller（10）, ultrasound detection module（11）With bottom out detection module（12）Three
Part；The ultrasound detection module（11）By launch driving circuit（13）, receive amplifying circuit（14）, signal transformation circuit（15）
And pulse counter（16）Composition；Wherein, launch driving circuit（13）One end and the ultrasonic chip of transmitting（6）It is connected, the other end connects
Connect ultra low-power microcontroller（10）；Receive amplifying circuit（14）One end connection receives ultrasonic chip（7）, the other end is whole through signal successively
Shape circuit（15）And pulse counter（16）Afterwards, with parallel port data line（17）With ultra low-power microcontroller（10）It is connected；
It is described to bottom out detection module（12）Including being connected with auxiliary protection circuit（19）Main switch circuit（18）, auxiliary protection electricity
Road（19）Output end directly and ultra low-power microcontroller（10）It is connected；
The drive end bearing bracket（2）And rear end cap（3）With pressure-resistant seal cabin（1）Junction have O-ring（5）, to ensure in warehouse
Watertightness.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510957275.9A CN106443796B (en) | 2015-12-18 | 2015-12-18 | A kind of automatic carry out aqueous vapor media recognition bottoms out sensor and method |
| CN201810560263.6A CN108562941B (en) | 2015-12-18 | 2015-12-18 | The automatic sensor that bottoms out for carrying out aqueous vapor media recognition carries out bottoming out knowledge method for distinguishing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510957275.9A CN106443796B (en) | 2015-12-18 | 2015-12-18 | A kind of automatic carry out aqueous vapor media recognition bottoms out sensor and method |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810560263.6A Division CN108562941B (en) | 2015-12-18 | 2015-12-18 | The automatic sensor that bottoms out for carrying out aqueous vapor media recognition carries out bottoming out knowledge method for distinguishing |
Publications (2)
| Publication Number | Publication Date |
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| CN106443796A CN106443796A (en) | 2017-02-22 |
| CN106443796B true CN106443796B (en) | 2018-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810560263.6A Expired - Fee Related CN108562941B (en) | 2015-12-18 | 2015-12-18 | The automatic sensor that bottoms out for carrying out aqueous vapor media recognition carries out bottoming out knowledge method for distinguishing |
| CN201510957275.9A Expired - Fee Related CN106443796B (en) | 2015-12-18 | 2015-12-18 | A kind of automatic carry out aqueous vapor media recognition bottoms out sensor and method |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810560263.6A Expired - Fee Related CN108562941B (en) | 2015-12-18 | 2015-12-18 | The automatic sensor that bottoms out for carrying out aqueous vapor media recognition carries out bottoming out knowledge method for distinguishing |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05228125A (en) * | 1992-02-21 | 1993-09-07 | Toshiba Corp | Magnetic resonance imaging system |
| US6223571B1 (en) * | 1999-03-26 | 2001-05-01 | Caterpillar Inc. | Magnetically coupled keystart switch |
| US7660206B2 (en) * | 2004-12-21 | 2010-02-09 | Optoplan As | Ocean bottom seismic station |
| US7295013B2 (en) * | 2005-04-11 | 2007-11-13 | Schlumberger Technology Corporation | Remotely operable measurement system and method employing same |
| GB201008045D0 (en) * | 2010-05-13 | 2010-06-30 | Ecotec Systems Ltd | Detection apparatus and method |
| CN101923073B (en) * | 2010-08-28 | 2012-05-09 | 国家海洋局第一海洋研究所 | Hydraulic drive injection based bottom sediment acoustic characteristic in-situ detecting system |
| CN103353619B (en) * | 2013-07-23 | 2016-04-13 | 烟台北方星空自控科技有限公司 | A kind of sensor module detected with the tactile end |
| CN103353620B (en) * | 2013-07-23 | 2016-04-13 | 烟台北方星空自控科技有限公司 | Pick-up unit of a kind of tactile end |
| CN204013466U (en) * | 2014-08-18 | 2014-12-10 | 山东拓普液压气动有限公司 | The contactless trigger switch of a kind of deep water |
| CN205861915U (en) * | 2015-12-18 | 2017-01-04 | 同济大学 | A kind of automatically carry out aqueous vapor media recognition bottom out sensor |
-
2015
- 2015-12-18 CN CN201810560263.6A patent/CN108562941B/en not_active Expired - Fee Related
- 2015-12-18 CN CN201510957275.9A patent/CN106443796B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN108562941A (en) | 2018-09-21 |
| CN108562941B (en) | 2019-08-06 |
| CN106443796A (en) | 2017-02-22 |
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