CN207180831U - A kind of mud and water level monitoring system based on bidifly ligh-ranging - Google Patents
A kind of mud and water level monitoring system based on bidifly ligh-ranging Download PDFInfo
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- CN207180831U CN207180831U CN201720728730.2U CN201720728730U CN207180831U CN 207180831 U CN207180831 U CN 207180831U CN 201720728730 U CN201720728730 U CN 201720728730U CN 207180831 U CN207180831 U CN 207180831U
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- water level
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Abstract
The utility model discloses a kind of mud and water level monitoring system based on bidifly ligh-ranging, including main frame, laser ranging system, fixed support, gag lever post and auxiliary survey device, described main frame is connected with laser ranging system, described laser ranging system is fixed on support bracket fastened upper end, described support bracket fastened lower end is fixed on gag lever post, described auxiliary survey device is provided with through hole, the lower end of described gag lever post is fixed on mud face through the through hole of auxiliary survey device, the lower end of described auxiliary survey device fits in the water surface, compared with prior art, the utility model uses the auxiliary survey device of special construction low-density materials, device designs laser sensor A and the reflection path of laser sensor B independences, auxiliary survey setting position is limited by auxiliary survey device gag lever post, realize to the water level accurate measurement containing mud.
Description
Technical field
Laser ranging field is the utility model is related to, specifically a kind of mud based on bidifly ligh-ranging is supervised with water level
Examining system.
Background technology
Laser ranging (laser distance measuring) is progress ranging using laser as light source.Laser ranging
Instrument is the instrument for carrying out Accurate Determining (also known as laser ranging) to the distance of target using laser.Laser range finder at work to
Target projects a branch of very thin laser, and the laser beam of target reflection is received by photoelectric cell, and timer determines laser beam from transmitting
To the time of reception, calculate from observer's range-to-go.Laser range finder is because the monochromaticjty of laser is good, high directivity
The features such as, it is integrated plus electronic circuit semiconductor transformation, compared with geodimeter, operation but also it can day and night can not only carry
High range accuracy, substantially reduces weight and power consumption, makes measurement long distance more accurate from thing position.
Laser ranging mud and the mixing surface reflection laser that water level monitoring system is mainly by water and mud, are obtained corresponding
Distance, this distance is between the water surface and mud face；Ultrasonic liquid level measuring is mainly by measurement ultrasonic sensor surface
The measurement of liquid level is realized to the time difference of ultrasonic transmission between reflection liquid levels.It is and dirty for band in the prior art
The level measuring accuracy at mud interface is inadequate, so necessarily causing sampling system not start accurately, is adopted when accomplishing to have water
Water, shut down when anhydrous, can be with it would therefore be desirable to research and develop a kind of mud and water level monitoring system based on laser ranging
Solve the level measuring accuracy problems in the case of mud is present, and single laser ranging is for there is sludge reflection in the prior art
When range accuracy or not high enough, therefore, the utility model uses bidifly ligh-ranging, and bidifly ligh-ranging is mainly swashed by 2 roads
The real-time measurement of optical signal：Wherein laser signal reflects to obtain distance Hs0, another way laser by the surface of auxiliary survey device all the way
Signal penetrates auxiliary survey device and obtains the reflective distance HI that water mixes cotton with mud, and system obtains water by real time contrast Hs0 and HI
Position and mud position.Can effectively solve to become silted up with water level monitoring system using a kind of mud based on bidifly ligh-ranging by this programme
Level measuring accuracy problems in the case of mud presence.
Utility model content
The purpose of this utility model is for ranging when solving that single laser ranging is for there is sludge reflection in the prior art
The problem of precision is low, there is provided a kind of mud and water level monitoring system based on bidifly ligh-ranging.
To achieve these goals, the technical solution of the utility model is as follows：
A kind of mud and water level monitoring system based on bidifly ligh-ranging, including main frame, laser ranging system, fixed branch
Frame, gag lever post and auxiliary survey device, it is characterised in that：Described main frame is connected with laser ranging system, described laser ranging dress
Put and be fixed on support bracket fastened upper end, described support bracket fastened lower end is fixed on gag lever post, and described auxiliary survey device is provided with
Through hole, the lower end of described gag lever post are fixed on mud face through the through hole of auxiliary survey device, the lower end of described auxiliary survey device
The water surface is fitted in, wherein, described laser ranging system includes shell, bidifly optical sensor and double excitation circuit module, described
Shell be connected with bidifly optical sensor, described bidifly optical sensor is connected with double excitation circuit module, described double excitation
Sensor includes laser sensor A and laser sensor B, and described double excitation circuit module includes main control circuit unit, driving
Circuit unit, signal processing unit, temperature measurement circuit unit and communication circuit units.
Preferably, described auxiliary survey device includes lightweight ball float and foam capsule, and described foam capsule is arranged at lightweight
The surrounding of ball float.
Preferably, described laser sensor A, laser sensor B, drive circuit unit, signal processing unit, thermometric electricity
Road unit and communication circuit units are connected with main control circuit unit electric signal.
Preferably, described auxiliary survey device can slide relative to gag lever post is relative.
Preferably, described shell is fixedly connected with bidifly optical sensor, and described shell is consolidated with double excitation circuit module
Fixed connection.
Preferably, described shell is tightly connected with bidifly optical sensor, and described shell and double excitation circuit module are close
Envelope connection.
Preferably, described main frame is provided with LCD display and push-button unit, and described LCD display and push-button unit are equal
It is connected with main frame electric signal.
Preferably, described laser sensor A and the trueness error of laser sensor B rangings are 1.5 millimeters.
A kind of mud and water level monitoring system based on bidifly ligh-ranging of the present utility model, including main frame, laser ranging
Device, fixed support, gag lever post and auxiliary survey device, described main frame are connected with laser ranging system, described laser ranging dress
Put and be fixed on support bracket fastened upper end, described support bracket fastened lower end is fixed on gag lever post, and described auxiliary survey device is provided with
Through hole, the lower end of described gag lever post are fixed on mud face through the through hole of auxiliary survey device, the lower end of described auxiliary survey device
The water surface is fitted in, compared with prior art, the utility model uses the auxiliary survey device of special construction low-density materials, device design
Laser sensor A and laser sensor B independences reflection path, auxiliary survey setting position is limited by auxiliary survey device gag lever post, realized
To the water level accurate measurement containing mud.
Brief description of the drawings
Fig. 1 is a kind of structural representation of mud and water level monitoring system based on bidifly ligh-ranging of the present utility model；
Fig. 2 is the auxiliary structural representation for surveying device of the present utility model；
Fig. 3 is the structural representation of laser ranging system of the present utility model；
Fig. 4 is initial mud position view of the present utility model；
Fig. 5 is that the utility model measures water level principle schematic when having mud face；
Fig. 6 is the utility model dynamic calibration mud face position principle schematic；
Fig. 7 is the auxiliary theory structure schematic diagram for surveying device of the utility model；
Fig. 8 is a kind of FB(flow block) of mud and water level monitoring system based on bidifly ligh-ranging of the present utility model.
Wherein, 1- main frames, 2- laser ranging systems, 3- fixed supports, 4- gag lever posts, 5- are auxiliary surveys device, 6- through holes, outside 7-
Shell, 8- bidifly optical sensor, 8a- laser sensor A, 8b- laser sensor B, 9- double excitations circuit module, 10- governor circuits
Unit, 11- drive circuit units, 12- signal processing units, 13- temperature measurement circuits unit, 14- communication circuit units, 15-LCD show
Display screen, 16- push-button units, 17- lightweights ball float, 18- foam capsules
Embodiment
The effect of to make to architectural feature of the present utility model and being reached, has a better understanding and awareness, to compared with
Good embodiment and accompanying drawing coordinate detailed description, are described as follows：
1 and Fig. 3, a kind of mud and water level monitoring system based on bidifly ligh-ranging, including main frame 1, laser referring to the drawings
Range unit 2, fixed support 3, gag lever post 4 and auxiliary survey device 5, described main frame 1 is connected with laser ranging system 2, described
Laser ranging system 2 is fixed on the upper end of fixed support 3, and the lower end of described fixed support 3 is fixed on gag lever post 4, described
Auxiliary survey device 5 is provided with through hole 6, and the lower end of described gag lever post 4 is fixed on mud face through the through hole 6 of auxiliary survey device 5, institute
The lower end for the auxiliary survey device 5 stated fits in the water surface, wherein, described laser ranging system 2 includes shell 7, bidifly optical sensor 8
With double excitation circuit module 9, described shell 7 is connected with bidifly optical sensor 8, described bidifly optical sensor 8 and double excitation
Circuit module 9 is connected, and described bidifly optical sensor 8 includes laser sensor A 8a and laser sensor B 8b, and described is double
Laser circuit module 9 includes main control circuit unit 10, drive circuit unit 11, signal processing unit 12, temperature measurement circuit unit 13
With communication circuit units 14.
It should be noted that range accuracy or inadequate when single laser ranging is for there is sludge reflection in the prior art
Height, therefore, the utility model use bidifly ligh-ranging, and bidifly ligh-ranging is mainly the real-time measurement by 2 road laser signals：Its
In all the way laser signal reflect to obtain distance Hs0 by the surface of auxiliary survey device 5, another way laser signal penetrates auxiliary survey device 5
The reflective distance HI of water and mud flour mixed with adulterants is obtained, system obtains water level and mud position by real time contrast Hs0 and HI, auxiliary to survey dress
Putting 5 use can more accurately be measured with the presence of the level measuring in the case of mud with auxiliary laser range unit 2.
Referring to the drawings 2, described auxiliary survey device includes lightweight ball float and foam capsule, and described foam capsule is arranged at gently
The surrounding of matter ball float, the auxiliary survey device light weight prepared using foam capsule and lightweight ball float, can bubble through the water column.
Referring to the drawings 8, described laser sensor A 8a, laser sensor B 8b, drive circuit unit 11, signal transacting
Unit 12, temperature measurement circuit unit 13 and communication circuit units 14 are connected with the electric signal of main control circuit unit 10.
Preferably, described main frame 1 is provided with LCD display 15 and push-button unit 16, described LCD display 15 and button
Unit 16 is connected with the electric signal of main frame 1.
It will be appreciated that when needing to measure water level, main control circuit unit 10 is sent a signal to those skilled in the art
Drive circuit unit 11, drive circuit unit 11 drive the auxiliary distance for surveying device 5 of laser sensor A 8a measurement distances first, so
Back driving circuit unit 11 drives the distance of laser sensor B 8b measurement water levels.
Preferably, described auxiliary survey device 5 can slide relative to gag lever post 4 is relative.
Exemplary, the through hole 6 of gag lever post 4 through auxiliary survey device 5 is fixed on mud face, and auxiliary survey device 5 can be with the water surface
Movement float on the water surface.
Preferably, described shell 7 is fixedly connected with bidifly optical sensor 8, described shell 7 and double excitation circuit module
9 are fixedly connected.
Preferably, described shell 7 is tightly connected with bidifly optical sensor 8, described shell 7 and double excitation circuit module
9 are tightly connected.
It is to be connected for measuring water level, therefore by laser ranging system 2 using sealing in view of bidifly optical sensor 8
Connect, be the influence in order to prevent steam to bidifly optical sensor 8.
Preferably, described laser sensor A 8a and the trueness error of laser sensor B 8b rangings are 1.5 millis
Rice, it is more accurate that high-precision bidifly optical sensor 8 measures water level distance.
A kind of mud based on bidifly ligh-ranging of the utility model is with water level monitoring system using laser sensor A
The mode that 8a and laser sensor B 8b measurements are combined positions height of water level.
This hair utility model measuring principle is as follows：
(1) when installing for the first time, we obtain an initial sludge level position Hn0 by manual measurement, such as Fig. 4 institutes
Show；
(2) by the position measurement water level in mud face, principle as shown in figure 5,
As HI ≠ HS, we obtain real water level H=Hn0-HS by mud face position Hn0＆HS before；
(3) dynamic calibration mud face position, principle is as shown in fig. 6, when water surface elevation H is closer to mud face, laser sensing
The HI distance differences of the Hs1 that device A 8a measurements obtain and laser sensor B 8b measurements are closer to Hf, and as HI ≈ HS, we recognize
It is mud face for this interface, and it is current measured value HI to correct mud face position Hn0.
Referring to the drawings 7, auxiliary survey device 2 is respectively provided with laser sensor A 8a and the specific laser roads of laser sensor B 8b
Footpath, the two is not disturbed mutually, further increases the precision of level measuring.
Implementation is further illustrated below by application method：Main control circuit unit 10 sends a signal to drive circuit list
Member 11 drives laser sensor A 8a to send laser, and laser runs into auxiliary survey device 5 by air dielectric transmission, and what is reflected swashs
Optical signal passes to signal processing circuit unit 12 again by laser sensor B 8b, while drive circuit unit 11 controls laser
Sensor B 8b send laser, and laser signal is detected by penetrating auxiliary survey device 5 to the flour mixed with adulterants of water and mud, master control electricity
Road unit 10 receives the signal that signal processing circuit unit 12 is handled well, conversion obtain liquid level from laser sensor A 8a away from
From obtaining with a distance from laser sensor B 8b measure, by the way that current actual water level and mud position is calculated, and sending simultaneously
Interactive command tells interactive device.
In summary, a kind of mud and water level monitoring system based on bidifly ligh-ranging of utility model, including main frame 1,
Laser ranging system 2, fixed support 3, gag lever post 4 and auxiliary survey device 5, described main frame 1 are connected with laser ranging system 2, institute
The laser ranging system 2 stated is fixed on the upper end of fixed support 3, and the lower end of described fixed support 3 is fixed on gag lever post 4, institute
The auxiliary survey device 5 stated is provided with through hole 6, and mud face is fixed in the lower end of described gag lever post 4 through the through hole 6 of auxiliary survey device 5
On, the lower end of described auxiliary survey device 5 fits in the water surface, and compared with prior art, the utility model is low close using special construction
The reflection path of the auxiliary survey device 5 of material, device design laser sensor A8a and laser sensor B 8b independences is spent, by spacing
Bar 4 limits auxiliary survey device 5 position, realizes to the water level accurate measurement containing mud.
The advantages of general principle of the present utility model, principal character and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply principle of the present utility model, the utility model also has respectively on the premise of the spirit and scope of the utility model is not departed from
Kind changes and improvements, these changes and improvements are both fallen within claimed the scope of the utility model.The requires of the utility model
Protection domain defined by appended claims and its equivalent.
Claims (8)
1. a kind of mud and water level monitoring system based on bidifly ligh-ranging, including main frame (1), laser ranging system (2), fixation
Support (3), gag lever post (4) and auxiliary survey device (5), it is characterised in that：Described main frame (1) is connected with laser ranging system (2),
Described laser ranging system (2) is fixed on the upper end of fixed support (3), and the lower end of described fixed support (3) is fixed on limit
Position bar (4), described auxiliary survey device (5) are provided with through hole (6), and the lower end of described gag lever post (4) passes through auxiliary survey device (5)
Through hole (6) is fixed on mud face, and the lower end of described auxiliary survey device (5) fits in the water surface, wherein, described laser ranging dress
Putting (2) includes shell (7), bidifly optical sensor (8) and double excitation circuit module (9), described shell (7) and bidifly light sensing
Device (8) is connected, and described bidifly optical sensor (8) is connected with double excitation circuit module (9), described bidifly optical sensor (8)
Including laser sensor A (8a) and laser sensor B (8b), described double excitation circuit module (9) includes main control circuit unit
(10), drive circuit unit (11), signal processing unit (12), temperature measurement circuit unit (13) and communication circuit units (13).
2. a kind of mud and water level monitoring system based on bidifly ligh-ranging according to claim 1, it is characterised in that：Institute
The auxiliary survey device (5) stated includes lightweight ball float (17) and foam capsule (18), and described foam capsule (18) is arranged at lightweight and floated
The surrounding of ball (17).
3. a kind of mud and water level monitoring system based on bidifly ligh-ranging according to claim 1, it is characterised in that：Institute
Laser sensor A (8a), laser sensor B (8b), drive circuit unit (11), signal processing unit (12), the thermometric electricity stated
Road unit (13) and communication circuit units (14) are connected with main control circuit unit (10) electric signal.
4. a kind of mud and water level monitoring system based on bidifly ligh-ranging according to claim 1, it is characterised in that：Institute
The auxiliary survey device (5) stated can be slided relative to gag lever post (4) is relative.
5. a kind of mud and water level monitoring system based on bidifly ligh-ranging according to claim 1, it is characterised in that：Institute
The shell (7) stated is fixedly connected with bidifly optical sensor (8), described shell (7) and the fixed company of double excitation circuit module (9)
Connect.
6. according to claim 1 or 5 any described a kind of mud and water level monitoring system based on bidifly ligh-ranging, its feature
It is：Described shell (7) is tightly connected with bidifly optical sensor (8), described shell (7) and double excitation circuit module (9)
It is tightly connected.
7. a kind of mud and water level monitoring system based on bidifly ligh-ranging according to claim 1, it is characterised in that：Institute
The main frame (1) stated is provided with LCD display (15) and push-button unit (16), described LCD display (15) and push-button unit (16)
It is connected with main frame (1) electric signal.
8. a kind of mud and water level monitoring system based on bidifly ligh-ranging according to claim 1, it is characterised in that：Institute
The laser sensor A (8a) and the trueness error of laser sensor B (8b) ranging stated is 1.5 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720728730.2U CN207180831U (en) | 2017-06-22 | 2017-06-22 | A kind of mud and water level monitoring system based on bidifly ligh-ranging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720728730.2U CN207180831U (en) | 2017-06-22 | 2017-06-22 | A kind of mud and water level monitoring system based on bidifly ligh-ranging |
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| Publication Number | Publication Date |
|---|---|
| CN207180831U true CN207180831U (en) | 2018-04-03 |
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ID=61735034
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720728730.2U Active CN207180831U (en) | 2017-06-22 | 2017-06-22 | A kind of mud and water level monitoring system based on bidifly ligh-ranging |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112941803A (en) * | 2019-11-26 | 2021-06-11 | 青岛海尔洗衣机有限公司 | Control method of washing machine and washing machine |
-
2017
- 2017-06-22 CN CN201720728730.2U patent/CN207180831U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112941803A (en) * | 2019-11-26 | 2021-06-11 | 青岛海尔洗衣机有限公司 | Control method of washing machine and washing machine |
| CN112941803B (en) * | 2019-11-26 | 2024-05-24 | 青岛海尔洗衣机有限公司 | Control method of washing machine and washing machine |
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