CN107600357A - A kind of high accuracy, which is faced upward, sweeps formula drauht detecting system and its method of work - Google Patents
A kind of high accuracy, which is faced upward, sweeps formula drauht detecting system and its method of work Download PDFInfo
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Abstract
Faced upward the invention discloses a kind of high accuracy and sweep formula drauht detecting system and its method of work, described system includes ultrasonic sensor modules, hydraulic pressure sensor module, obliquity sensor module, synchronous sampling control module, ultrasonic sensor interface plate module, hydraulic pressure sensor interface plate module, obliquity sensor interface plate module, data processing module and display module.Because the present invention is using the progress data acquisition of multiple sensor interface plates, acquisition control is synchronized by synchronous sampling control plate so that the structure of sensor array is more convenient, and solves the problems, such as to be unable to Fast synchronization collection in the case of number of sensors is excessive.Data acquisition is synchronized with ultrasonic sensor and hydraulic pressure sensor because the present invention uses, carried out curve fitting by hydraulic pressure sensor data, detection support state is modeled, solves the problems, such as to produce error because detection support deforms upon, improves accuracy of detection.
Description
Technical field
The present invention relates to drauht detection technique, and more particularly to one kind, which is faced upward, sweeps drauht detecting system.
Background technology
It is on the increase with the super drinking water phenomenon of inland navigation craft, its safety that ship is opened the navigation or air flight to inland river causes serious hidden
Suffer from, the detection to the super drinking water of ship also becomes particularly important.It is existing face upward sweep formula drinking water detecting system be by build one bag
The array of multiple ultrasonic distance-measuring sensors is included, is installed in underwater detection support, is entered by the data for obtaining sensor
Row data processing obtains the data such as corresponding shipping draft.The method only meets in the case where number of sensors is less,
When inland river width is to certain situation, to ensure that measurement accuracy needs to install dozens or even hundreds of ultrasonic sensor, now
Because number of sensors is excessive, the collection period of data greatly increases so that the cycle of drauht detection increases, and has a strong impact on
Its accuracy of detection.
The content of the invention
To solve problem above, the present invention will propose the height that a kind of acquisition speed is fast, multiple sensors synchronism is good
Precision, which is faced upward, sweeps formula drauht detecting system and its method of work.
To achieve these goals, technical scheme is as follows：
A kind of high accuracy, which is faced upward, sweeps formula drauht detecting system, including ultrasonic sensor modules, hydraulic pressure sensor module,
Obliquity sensor module, synchronous sampling control module, ultrasonic sensor interface plate module, hydraulic pressure sensor interface plate module,
Obliquity sensor interface plate module, data processing module and display module；Described data processing module passes through data transfer
Line senses with synchronous sampling control module, ultrasonic sensor interface plate module, hydraulic pressure sensor interface plate module, inclination angle respectively
Device interface plate module and display module are connected；Described ultrasonic sensor interface plate module and ultrasonic sensor modules
It is connected, ultrasonic sensor modules are made up of N number of ultrasonic sensor, and N number of ultrasonic sensor is perpendicular to horizontal plane direction
Form a line and be uniformly arranged in detection support, for measuring detection support to the distance of hull bottom；Described hydraulic pressure sensor connects
Oralia module is connected with hydraulic pressure sensor module, and hydraulic pressure sensor module is made up of M hydraulic pressure sensor, M hydraulic pressure sensing
Device is uniformly arranged in detection support, for measuring the depth of detection support each position；Described obliquity sensor interface template die
Block is connected with obliquity sensor module, and obliquity sensor module is made up of 3 obliquity sensors, 3 obliquity sensor installations
Left side, centre in detection support, right positions, for measuring the angle of inclination of detection support and horizontal plane；Described is same
Step sampling control module connects with ultrasonic sensor interface plate module, obliquity sensor interface plate module, hydraulic pressure sensor respectively
Oralia module is connected, and synchronous sampling control module is made up of synchronous sampling control plate, and synchronous sampling control plate is received at data
The control instruction that module is sent is managed, then to ultrasonic interface plate module, hydraulic pressure sensor interface plate module, obliquity sensor
Interface plate module sends the control signal for starting data sampling, controls each sensor to carry out sample man according to synchronized sampling sequential
Make, to ensure that underwater sensor can carry out orderly measurement work and returned data；Described data processing module is work
Industry computer, each sensing data received is handled, calculates shipping draft；Described display module is by industry
Computer controls, for showing shipping draft and detection support real-time status.
Further, the number N of described ultrasonic sensor determines according to the width of sense channel, and N passes for hydraulic pressure
Sensor number M integral multiple.
Further, the number N of described ultrasonic sensor is 30 to 100.
A kind of high accuracy faces upward the method for work for sweeping formula drauht detecting system, comprises the following steps：
A, ultrasonic sensor modules detect detection support to the distance of bottom of ship；
Ultrasonic sensor modules are made up of N number of ultrasonic sensor, are formed a line uniform installation perpendicular to water surface direction
In detection support, from being numbered 1 to N on the left of detection support, the distance that ultrasonic sensor measures is ultrasonic sensor
L1To LN, then the detection support distance that the ultrasonic sensor of xth rice position measures since left side is Lx；
B, the depth under water of hydraulic pressure sensor module detection detection support；
Hydraulic pressure sensor module is uniformly arranged in detection support by M hydraulic pressure sensor and formed, individual super at interval of (N/M)
Sonic sensor installs a hydraulic pressure sensor, and hydraulic pressure sensor is from being numbered 1 to M+1 on the left of detection support, hydraulic pressure sensing
The depth that device measures is X1To XM+1, the depth of detection support xth rice position since left side is Xx, by measure one group of data (i,
Xi) carry out sectional straight line fitting, i=1,2 ... M+1, if fitting a straight line formula is：
X=f (x)=a+bx,
Measured each XiValue and each estimate f (x of fitting a straight linei)=a+bxiThe quadratic sum of difference is：
S=∑s [Xi-f(xi)]2=∑ [Xi-(a+bxi)]2,
Have accordingly：
Thus solve：
It is X to obtain the depth at detection support xx=f (x)=a+bx.
C, the obliquity sensor module detection underwater bending situation of detection support；
Obliquity sensor module is by being separately mounted to 3 obliquity sensor structures on the left side of detection support, centre, right side
Into the detection support and the angle of horizontal plane that obliquity sensor measures are θ1、θ2、θ3, data by display module real-time display,
For observing the underwater bending situation of detection support.
D, synchronous sampling control module synchronizes control；
Synchronous sampling control module is made up of synchronous sampling control plate, synchronous sampling control plate using FPGA as core, including
RS232 interface and multichannel RS485 communication interfaces all the way, RS232 interface is connected with data processing module, for receiving data processing
The control instruction of module, multichannel RS485 communication interfaces respectively with ultrasonic sensor interface plate module, hydraulic pressure sensor interface board
Module is connected with obliquity sensor interface plate module, starts the control of synchronized sampling for being sent to each sensor interface plate module
Signal processed.
E, ultrasonic sensor interface board module transfer data；
Ultrasonic sensor interface plate module is made up of multiple ultrasonic sensor interface boards, and each ultrasonic sensor connects
Oralia connects 10 ultrasonic sensors, and ultrasonic sensor interface board is using FPGA as core, including 4 road RS485 interfaces, wherein
RS485-1 and RS485-2 connects 5 ultrasonic sensors respectively, and the control that RS485-3 is used to receive synchronous sampling control plate refers to
Order, RS485-4 are used to control ultrasonic sensor working condition and data acquisition.
F, hydraulic pressure sensor interface board module transfer data；
Hydraulic pressure sensor interface plate module is made up of hydraulic pressure sensor interface board, and hydraulic pressure sensor interface board is using FPGA as core
The heart, including 3 road RS485 interfaces, wherein RS485-1 are connected with M hydraulic pressure sensor, and RS485-2 is used to receive synchronized sampling
The control instruction of control panel, RS485-3 are used to control hydraulic pressure sensor working condition and data acquisition.
G, obliquity sensor interface board module transfer data；
Obliquity sensor interface plate module is made up of obliquity sensor interface board, and obliquity sensor interface board is using FPGA as core
The heart, including 3 road RS485 interfaces, wherein RS485-1 are connected with 3 obliquity sensors, and RS485-2 is used to receive synchronized sampling
The control instruction of control panel, RS485-3 are used to control obliquity sensor working condition and data acquisition.
H, data processing module calculates drinking water data；
Data processing module is an industrial computer, industrial computer respectively with synchronous sampling control module, ultrasonic wave
Sensor interface plate module, hydraulic pressure sensor interface plate module, obliquity sensor interface plate module and display module are connected,
Computer sends acquisition instructions to synchronized sampling plate, each sensor interface plate synchronous working, gathers the data of each sensor, calculates
Machine is calculated by hydraulic pressure sensor data, the Ultrasonic Sensor Data of collection, obtains the drinking water data H of ship everywherex, by
Hx=Xx-Lx, take HxMiddle maximum value is extreme draft value.
I, display module shows draft；
Described display module shows shipping draft and detection support real-time status by Industrial Computer Control.
Compared with prior art, advantages of the present invention is as follows：
1. because the present invention is using the progress data acquisition of multiple sensor interface plates, synchronized by synchronous sampling control plate
Acquisition control so that the structure of sensor array is more convenient, and solve number of sensors it is excessive in the case of can not be quick
The problem of synchronous acquisition.
2. synchronizing data acquisition because the present invention uses with ultrasonic sensor and hydraulic pressure sensor, sensed by hydraulic pressure
Device data are carried out curve fitting, and detection support state is modeled, and are solved and are produced error because detection support deforms upon
The problem of.
3. being detected in real time to detection support using double-shaft tilt angle sensor due to of the invention, more intuitively examined
The underwater case of bending of support is looked into, solves the problems, such as that state is difficult to determine detection support under water.
Brief description of the drawings
Fig. 1 faces upward the flow chart for sweeping formula drauht detecting system to be a kind of.
Fig. 2 is each sensor assembly scheme of installation of detection support.
Fig. 3 faces upward the fundamental diagram for sweeping formula drauht detecting system to be a kind of.
Fig. 4 faces upward the overall frame structure figure for sweeping formula drauht detecting system to be a kind of.
Fig. 5 is the fundamental diagram of synchronous sampling control module.
In figure：1st, data processing module, 2, synchronous sampling control module, 3, ultrasonic sensor interface plate module, 4, water
Pressure sensor interface plate module, 5, obliquity sensor interface plate module, 6, ultrasonic sensor modules, 7, hydraulic pressure sensor mould
Block, 8, obliquity sensor module, 9, display module, 10, detection support, 11, ultrasonic sensor, 12, hydraulic pressure sensor, 13,
Obliquity sensor.
Embodiment
The present invention is further described through below in conjunction with the accompanying drawings.
As Figure 1-4, a kind of high accuracy, which is faced upward, sweeps formula drauht detecting system, including ultrasonic sensor modules 6, water
Pressure sensor module 7, obliquity sensor module 8, synchronous sampling control module 2, ultrasonic sensor interface plate module 3, hydraulic pressure
Sensor interface plate module 4, obliquity sensor interface plate module 5, data processing module 1 and display module 9；Described data
Processing module 1 is passed with synchronous sampling control module 2, ultrasonic sensor interface plate module 3, hydraulic pressure respectively by data line
Sensor interface plate module 4, obliquity sensor interface plate module 5 and display module 9 are connected；Described ultrasonic sensor connects
Oralia module 3 is connected with ultrasonic sensor modules 6, and ultrasonic sensor modules 6 are made up of N number of ultrasonic sensor 11, N
Individual ultrasonic sensor 11 forms a line perpendicular to horizontal plane direction and is uniformly arranged in detection support 10, for measuring detection branch
Frame 10 arrives the distance of hull bottom；Described hydraulic pressure sensor interface plate module 4 is connected with hydraulic pressure sensor module 7, hydraulic pressure sensing
Device module 7 is made up of M hydraulic pressure sensor 12, and M hydraulic pressure sensor 12 is uniformly arranged in detection support 10, for measuring inspection
Survey the depth of each position of support 10；Described obliquity sensor interface plate module 5 is connected with obliquity sensor module 8, inclination angle
Sensor assembly 8 is made up of 3 obliquity sensors 13,3 obliquity sensors 13 be arranged on the left side in detection support 10, in
Between, right positions, for measuring the angle of inclination of detection support 10 and horizontal plane；Described synchronous sampling control module 2 is distinguished
It is connected with ultrasonic sensor interface plate module 3, obliquity sensor interface plate module 5, hydraulic pressure sensor interface plate module 4,
Synchronous sampling control module 2 is made up of synchronous sampling control plate, and synchronous sampling control plate receives what data processing module 1 was sent
Control instruction, then sent out to ultrasonic interface plate module, hydraulic pressure sensor interface plate module 4, obliquity sensor interface plate module 5
The control signal for starting data sampling is sent, controls each sensor to carry out sampling work according to synchronized sampling sequential, to ensure water
Under sensor can carry out orderly measurement work and returned data；Described data processing module 1 is industrial computer, right
Each sensing data received is handled, and calculates shipping draft；Described display module 9 is by industrial computer control
System, for showing shipping draft and the real-time status of detection support 10.
Further, the number N of described ultrasonic sensor 11 determines according to the width of sense channel, and N is hydraulic pressure
12 number M of sensor integral multiple.
Further, the number N of described ultrasonic sensor 11 is 30 to 100.
As quarrelled shown in 1-5, a kind of high accuracy faces upward the method for work for sweeping formula drauht detecting system, comprises the following steps：
A, ultrasonic sensor modules 6 detect the distance that detection support 10 arrives bottom of ship；
Ultrasonic sensor modules 6 are made up of N number of ultrasonic sensor 11, are formed a line uniform peace perpendicular to water surface direction
In detection support 10, ultrasonic sensor 11 is numbered 1 to N from the left side of detection support 10, and ultrasonic sensor 11 is surveyed
The distance obtained is L1To LN, then the distance that the ultrasonic sensor 11 of xth rice position measures since left side of detection support 10 be
Lx；
B, hydraulic pressure sensor module 7 detects the depth under water of detection support 10；
Hydraulic pressure sensor module 7 is uniformly arranged in detection support 10 by M hydraulic pressure sensor 12 and formed, at interval of (N/
M) individual ultrasonic sensor 11 installs a hydraulic pressure sensor 12, and hydraulic pressure sensor 12 is numbered 1 from the left side of detection support 10
To M+1, the depth that hydraulic pressure sensor 12 measures is X1To XM+1, the depth of the xth rice position since left side of detection support 10 is Xx,
By measuring one group of data (i, Xi) carry out sectional straight line fitting, i=1,2 ... M+1, if fitting a straight line formula is：
X=f (x)=a+bx,
Measured each XiValue and each estimate f (x of fitting a straight linei)=a+bxiThe quadratic sum of difference is：
S=∑s [Xi-f(xi)]2=∑ [Xi-(a+bxi)]2,
Have accordingly：
Thus solve：
It is X to obtain the depth at detection support 10xx=f (x)=a+bx.
C, obliquity sensor module 8 detects the underwater bending situation of detection support 10；
Obliquity sensor module 8 is by being separately mounted to 3 obliquity sensors on the left side of detection support 10, centre, right side
13 are formed, and the detection support 10 that obliquity sensor 13 measures and the angle of horizontal plane are θ1、θ2、θ3, data pass through display module 9
Real-time display, for observing the underwater bending situation of detection support 10.
D, synchronous sampling control module 2 synchronizes control；
Synchronous sampling control module 2 is made up of synchronous sampling control plate, synchronous sampling control plate using FPGA as core, including
RS232 interface and multichannel RS485 communication interfaces all the way, RS232 interface is connected with data processing module 1, for receiving at data
The control instruction of module 1 is managed, multichannel RS485 communication interfaces connect with ultrasonic sensor interface plate module 3, hydraulic pressure sensor respectively
Oralia module 4 is connected with obliquity sensor interface plate module 5, starts synchronously to adopt for sending to each sensor interface plate module
The control signal of sample.
E, ultrasonic sensor interface plate module 3 transmits data；
Ultrasonic sensor interface plate module 3 is made up of multiple ultrasonic sensor interface boards, each ultrasonic sensor
Interface board connects 10 ultrasonic sensors 11, and ultrasonic sensor interface board is using FPGA as core, including 4 road RS485 interfaces,
Wherein RS485-1 and RS485-2 connects 5 ultrasonic sensors 11 respectively, and RS485-3 is used to receive synchronous sampling control plate
Control instruction, RS485-4 are used to control the working condition of ultrasonic sensor 11 and data acquisition.
F, hydraulic pressure sensor interface plate module 4 transmits data；
Hydraulic pressure sensor interface plate module 4 is made up of hydraulic pressure sensor interface board, hydraulic pressure sensor interface board using FPGA as
Core, including 3 road RS485 interfaces, wherein RS485-1 are connected with M hydraulic pressure sensor 12, and RS485-2 is used to receive synchronization
The control instruction of controlling of sampling plate, RS485-3 are used to control the working condition of hydraulic pressure sensor 12 and data acquisition.
G, obliquity sensor interface plate module 5 transmits data；
Obliquity sensor interface plate module 5 is made up of obliquity sensor interface board, obliquity sensor interface board using FPGA as
Core, including 3 road RS485 interfaces, wherein RS485-1 are connected with 3 obliquity sensors 13, and RS485-2 is used to receive synchronization
The control instruction of controlling of sampling plate, RS485-3 are used to control the working condition of obliquity sensor 13 and data acquisition.
H, data processing module 1 calculates drinking water data；
Data processing module 1 is an industrial computer, industrial computer respectively with synchronous sampling control module 2, ultrasound
Wave sensor interface plate module 3, hydraulic pressure sensor interface plate module 4, obliquity sensor interface plate module 5 and display module 9
It is connected, computer sends acquisition instructions to synchronized sampling plate, and each sensor interface plate works asynchronously, and gathers the number of each sensor
According to computer is calculated by the data of hydraulic pressure sensor 12, the data of ultrasonic sensor 11 of collection, obtains ship eating everywhere
Water number is according to Hx, by Hx=Xx-Lx, take HxMiddle maximum value is extreme draft value.
I, display module 9 shows draft；
Described display module 9 shows shipping draft and the real-time status of detection support 10 by Industrial Computer Control.
The present invention is not limited to the present embodiment, any equivalent concepts in the technical scope of present disclosure or changes
Become, be classified as protection scope of the present invention.
Claims (4)
1. a kind of high accuracy, which is faced upward, sweeps formula drauht detecting system, it is characterised in that：Including ultrasonic sensor modules (6), water
Pressure sensor module (7), obliquity sensor module (8), synchronous sampling control module (2), ultrasonic sensor interface plate module
(3), hydraulic pressure sensor interface plate module (4), obliquity sensor interface plate module (5), data processing module (1) and display mould
Block (9)；Described data processing module (1) by data line respectively with synchronous sampling control module (2), supersonic sensing
Device interface plate module (3), hydraulic pressure sensor interface plate module (4), obliquity sensor interface plate module (5) and display module
(9) it is connected；Described ultrasonic sensor interface plate module (3) is connected with ultrasonic sensor modules (6), and ultrasonic wave passes
Sensor module (6) is made up of N number of ultrasonic sensor (11), and N number of ultrasonic sensor (11) is lined up perpendicular to horizontal plane direction
One row are uniformly arranged in detection support (10), for measuring the distance that detection support (10) arrives hull bottom；Described hydraulic pressure sensing
Device interface plate module (4) is connected with hydraulic pressure sensor module (7), and hydraulic pressure sensor module (7) is by M hydraulic pressure sensor (12)
Composition, M hydraulic pressure sensor (12) is uniformly arranged in detection support (10), for measuring the depth of detection support (10) each position
Degree；Described obliquity sensor interface plate module (5) is connected with obliquity sensor module (8), obliquity sensor module (8) by
3 obliquity sensors (13) composition, 3 obliquity sensors (13) are arranged on left side in detection support (10), centre, right lateral position
Put, for measuring the angle of inclination of detection support (10) and horizontal plane；Described synchronous sampling control module (2) respectively with ultrasound
Wave sensor interface plate module (3), obliquity sensor interface plate module (5), hydraulic pressure sensor interface plate module (4) are connected,
Synchronous sampling control module (2) is made up of synchronous sampling control plate, and synchronous sampling control plate receives data processing module (1) and sent
Control instruction, then to ultrasonic interface plate module, hydraulic pressure sensor interface plate module (4), obliquity sensor interface board
Module (5) sends the control signal for starting data sampling, controls each sensor to carry out sampling work according to synchronized sampling sequential,
To ensure that underwater sensor can carry out orderly measurement work and returned data；Described data processing module (1) is work
Industry computer, each sensing data received is handled, calculates shipping draft；Described display module (9) by
Industrial Computer Control, for showing shipping draft and detection support (10) real-time status.
2. a kind of high accuracy according to claim 1, which is faced upward, sweeps formula drauht detecting system, it is characterised in that：Described is super
The number N of sonic sensor (11) determines according to the width of sense channel, and N is hydraulic pressure sensor (12) number M integral multiple.
3. a kind of high accuracy according to claim 1, which is faced upward, sweeps formula drauht detecting system, it is characterised in that：Described is super
The number N of sonic sensor (11) is 30 to 100.
4. a kind of high accuracy faces upward the method for work for sweeping formula drauht detecting system, it is characterised in that：Comprise the following steps：
A, ultrasonic sensor modules (6) detection detection support (10) arrives the distance of bottom of ship；
Ultrasonic sensor modules (6) are made up of N number of ultrasonic sensor (11), are formed a line uniform peace perpendicular to water surface direction
In detection support (10), ultrasonic sensor (11) is from being numbered 1 to N on the left of detection support (10), supersonic sensing
The distance that device (11) measures is L1To LN, then ultrasonic sensor (11) survey of detection support (10) xth rice position since left side
The distance obtained is Lx；
B, the depth under water of hydraulic pressure sensor module (7) detection detection support (10)；
Hydraulic pressure sensor module (7) is uniformly arranged in detection support (10) by M hydraulic pressure sensor (12) and formed, at interval of
(N/M) individual ultrasonic sensor (11) installs a hydraulic pressure sensor (12), and hydraulic pressure sensor (12) is left from detection support (10)
Side is numbered 1 to M+1, and the depth that hydraulic pressure sensor (12) measures is X1To XM+1, detection support (10) xth since left side
The depth of rice position is Xx, by measuring one group of data (i, Xi) carry out sectional straight line fitting, i=1,2 ... M+1, if fitting a straight line is public
Formula is：
X=f (x)=a+bx,
Measured each XiValue and each estimate f (x of fitting a straight linei)=a+bxiThe quadratic sum of difference is：
S=∑s [Xi-f(xi)]2=∑ [Xi-(a+bxi)]2,
Have accordingly：
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It is X to obtain the depth at detection support (10) xx=f (x)=a+bx；
C, obliquity sensor module (8) detection detection support (10) underwater bending situation；
Obliquity sensor module (8) is by being separately mounted to 3 obliquity sensors on the left sides of detection support (10), centre, right side
(13) form, the detection support (10) that obliquity sensor (13) measures and the angle of horizontal plane are θ1、θ2、θ3, data pass through display
Module (9) real-time display, for observing the underwater bending situation of detection support (10)；
D, synchronous sampling control module (2) synchronizes control；
Synchronous sampling control module (2) is made up of synchronous sampling control plate, and synchronous sampling control plate is using FPGA as core, including one
Road RS232 interface and multichannel RS485 communication interfaces, RS232 interface is connected with data processing module (1), for receiving at data
The control instruction of module (1) is managed, multichannel RS485 communication interfaces sense with ultrasonic sensor interface plate module (3), hydraulic pressure respectively
Device interface plate module (4) is connected with obliquity sensor interface plate module (5), is opened for being sent to each sensor interface plate module
The control signal of beginning synchronized sampling；
E, ultrasonic sensor interface plate module (3) transmission data；
Ultrasonic sensor interface plate module (3) is made up of multiple ultrasonic sensor interface boards, and each ultrasonic sensor connects
Oralia connects 10 ultrasonic sensors (11), and ultrasonic sensor interface board is using FPGA as core, including 4 road RS485 interfaces,
Wherein RS485-1 and RS485-2 connects 5 ultrasonic sensors (11) respectively, and RS485-3 is used to receive synchronous sampling control plate
Control instruction, RS485-4 be used for control ultrasonic sensor (11) working condition and data acquisition；
F, hydraulic pressure sensor interface plate module (4) transmission data；
Hydraulic pressure sensor interface plate module (4) is made up of hydraulic pressure sensor interface board, and hydraulic pressure sensor interface board is using FPGA as core
The heart, including 3 road RS485 interfaces, wherein RS485-1 are connected with M hydraulic pressure sensor (12), and RS485-2 is used to receive synchronization
The control instruction of controlling of sampling plate, RS485-3 are used to control hydraulic pressure sensor (12) working condition and data acquisition；
G, obliquity sensor interface plate module (5) transmission data；
Obliquity sensor interface plate module (5) is made up of obliquity sensor interface board, and obliquity sensor interface board is using FPGA as core
The heart, including 3 road RS485 interfaces, wherein RS485-1 are connected with 3 obliquity sensors (13), and RS485-2 is used to receive synchronization
The control instruction of controlling of sampling plate, RS485-3 are used to control obliquity sensor (13) working condition and data acquisition；
H, data processing module (1) calculates drinking water data；
Data processing module (1) is an industrial computer, industrial computer respectively with synchronous sampling control module (2), ultrasound
Wave sensor interface plate module (3), hydraulic pressure sensor interface plate module (4), obliquity sensor interface plate module (5) and display
Module (9) is connected, and computer sends acquisition instructions to synchronized sampling plate, each sensor interface plate synchronous working, gathers each biography
The data of sensor, computer are calculated by hydraulic pressure sensor (12) data, ultrasonic sensor (11) data of collection, obtained
The drinking water data H of ship everywherex, by Hx=Xx-Lx, take HxMiddle maximum value is extreme draft value；
I, display module (9) shows draft；
Described display module (9) shows shipping draft and detection support (10) real-time status by Industrial Computer Control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710813310.9A CN107600357B (en) | 2017-09-11 | 2017-09-11 | A kind of high-precision, which is faced upward, sweeps formula drauht detection system and its working method |
Applications Claiming Priority (1)
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| CN110171547A (en) * | 2019-05-28 | 2019-08-27 | 沪东中华造船(集团)有限公司 | A kind of light-tonnage vessel harbour drinking water acquisition methods |
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