CN109490256A - The marine domestic sewage turbidity detection device and detection method for having self-cleaning function - Google Patents
The marine domestic sewage turbidity detection device and detection method for having self-cleaning function Download PDFInfo
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- CN109490256A CN109490256A CN201811148905.8A CN201811148905A CN109490256A CN 109490256 A CN109490256 A CN 109490256A CN 201811148905 A CN201811148905 A CN 201811148905A CN 109490256 A CN109490256 A CN 109490256A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/59—Transmissivity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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Abstract
The invention discloses a kind of marine domestic sewage turbidity detection devices for having self-cleaning function, one end of its bypass pipe connects the inlet of the first solenoid valve, the other end is for connecting sanitary sewage discharge pipe, the liquid outlet of first solenoid valve is connected to by conduction hose with the sewage inlet of glass storage pipe, the residual mouth of row of glass storage pipe is connected by incomplete tube and the input terminal of second solenoid valve, the output end of second solenoid valve is discharge outlet, piston is arranged in glass storage pipe, the rear end of glass storage pipe offers piston rod through-hole, one end of piston rod is fixedly connected with piston rear end, the other end of piston rod stretches out piston rod through-hole, turbidity transducer is set on the side wall of glass storage pipe.The present invention has self-cleaning function, can accurately measure sanitary sewage turbidity.
Description
Technical field
The present invention relates to Sewage from Ships online measuring technique fields, in particular to a kind of ship for having self-cleaning function
With sanitary sewage turbidity detection device and detection method.
Background technique
Sewage from Ships is one of the major pollutants generated in Ship production business process.As country is raw to ship
The increasing of sewage discharge supervision living, some detection devices for surrounding effective monitoring and supervising Sewage from Ships discharge aspect,
Monitoring system is developed successively, and utilizes technology of Internet of things, will test data and bank base backstage supervisory systems carries out in real time
Interaction.Since Sewage from Ships contains a large amount of impurities, organic matter and microorganism, photoelectric sensor as being placed in the water quality for a long time
In, necessarily cause microorganism, suspended matter to be attached to transmitting terminal and the receiving end of photoelectric sensor, influences its light transmittance, finally lead
Cause measured data distortion.To keep measurement accuracy, it is necessary to take out cleaning.
Patent CN204228596U discloses a kind of for cleaning the device of turbidity probe tip, it uses scraper plate, and utilization is micro-
Processor, periodically to optical glass window surface clean.Glass window will be immersed in fluid to be measured always, and scraper plate is periodically scraped
Clean the windows window, this is resulted in, and after scraping and when not scraping, optical glass window surface cleanliness is different, produces to measurement result
It is raw to influence.
Patent CN2528006 discloses a kind of cleaning solution and blender, and as a kind of troubled liquor, it adds detergent
Enter to necessarily increase liquid turbidity, influences measured value.
Patent CN206701846U discloses the cleaning mode of a kind of push jack and compressed air combination, to optical glass window
Cleaning.But detergent is blown by pressure-air, detergent necessarily increases liquid as a kind of troubled liquor, its addition
Turbidity influences measured value.Secondly, being blown into for pressure-air can generate a large amount of bubbles in liquid, bubble is unfavorable for the transmission of light,
Influence measurement accuracy.In addition, the introducing of pressure-air needs to set up complicated gas supply system, airtightness, resistance to pressure are mentioned
Requirements at the higher level out cause equipment cost to be substantially improved, and are unfavorable for promoting.
Summary of the invention
Present invention aim to provide a kind of marine domestic sewage turbidity detection device for having self-cleaning function and
Detection method.The present invention can not need manually to participate in cleaning, can yet under the sanitary sewage very cloudiness that ship discharges
Realize turbidity transducer long-time high-precision Turbidity measurement.
In order to achieve this, a kind of marine domestic sewage Turbidity measurement dress for having self-cleaning function designed by the present invention
Set, it include bypass pipe, the first solenoid valve, conduction hose, glass storage pipe, incomplete tube, second solenoid valve, piston, piston rod,
Turbidity transducer and piston driver, wherein the front end of the glass storage pipe is equipped with sewage inlet and arranges residual mouth, described
One end of bypass pipe connects the inlet of the first solenoid valve, and the other end of bypass pipe is for connecting sanitary sewage discharge pipe, and first
The liquid outlet of solenoid valve is connected to by conduction hose with the sewage inlet of glass storage pipe, and the residual mouth of the row of glass storage pipe passes through
Incomplete tube and the input terminal of second solenoid valve connect, and the output end of second solenoid valve is discharge outlet, set in the glass storage pipe
Piston is set, the rear end of glass storage pipe offers piston rod through-hole, and one end of piston rod is fixedly connected with piston rear end, piston rod
The other end stretch out piston rod through-hole, turbidity transducer is set on the lateral wall of glass storage pipe, and the piston driver is used
In driving piston piston motion back and forth in glass storage pipe by piston rod.
A kind of marine domestic sewage turbidity detection method using above-mentioned apparatus, it includes the following steps:
Step 1: microprocessor has received Sewage from Ships discharge signal；
Step 2: microprocessor controls the first solenoid valve and opens, and second solenoid valve is closed, and makes sanitary sewage discharge pipe, bypass
Pipe, conduction hose and glass storage pipe connection；
Step 3: microprocessor assigns instruction to motor, motor operating, using crankshaft-and-connecting-rod by the rotation of motor output shaft
Turning power and is converted into reciprocating, connecting rod drives piston rod, and pull piston by the nose motion of glass storage pipe to rear end, this
When, microprocessor control motor stops rotating, and sewage is drawn into glass storage pipe；
Step 4: microprocessor controls turbidity transducer, and the light source emitter of turbidity transducer is made to be powered, transmitting turbidity inspection
Survey infrared light-wave, Turbidity measurement infrared light-wave penetrate glass storage pipe surface and inside sewage after by photocell receiving pole
It receives, photocell receiving pole detects the light intensity of transmitted light to detect the degree of sewage muddiness, and photocell receiving pole will be received
It penetrates optical signal and is converted into Turbidity measurement voltage signal and issue microprocessor, the Turbidity measurement electricity that microprocessor passes through turbidity transducer
The transformational relation of pressure signal and turbidity numerical value (is detailed in bibliography: Hu Gang, Wang Ganyi, the design of turbidity sensor, sensor
Technology (Journai of Transducer Technoiogy) the 5th phase of volume 24 in 2005) Turbidity measurement voltage signal is turned
Turn to turbidity numerical value；
Step 5: after Turbidity measurement, microprocessor controls second solenoid valve and opens, and the first solenoid valve is closed, micro process
Device assigns instruction to motor, and motor rotation pushes piston to move to front end by the rear end of glass storage pipe using crankshaft-and-connecting-rod,
Sewage is excluded by incomplete tube and second solenoid valve, meanwhile, using between piston lateral wall and the inner sidewall of glass storage pipe
The frictional force that interference fit generates cleans tube wall, measures to next time.
The beneficial effects of the invention are as follows eliminate the undesirable elements such as the residue because of fluid to be measured, attachment to measurement environment
Influence, make to remain high cleanliness between the emitter of turbidity transducer and receiving pole, the penetrating environment that measures every time is protected
It holds consistent and stablizes, it is ensured that the accuracy of measurement.
It can be realized the effect, be mainly injected into glass storage pipe by monitored liquid, avoid turbidity transducer
Emitter directly contacted with receiving pole with fluid to be measured, guarantee that emitter and receiving pole clean；Followed by utilize glass storage
The frictional force that the interference fit of pipe and piston space generates, carries out scraping cleaning to glass storage inside pipe wall after each measurement；
Be that control is sampled using two solenoid valves using sampling mode again, sample rapidly, rapidly measurement, send in time it is residual, effectively
It avoids being trapped in glass storage pipe for a long time because of fluid to be measured, and generates and be not easy clean dirt.
Detailed description of the invention
Fig. 1 is structure of the invention block diagram.
Wherein, 1-bypass pipe, the 2-the first solenoid valve, 3-conduction hoses, 4-glass storage pipes, 5-incomplete tubes, 6-
Second solenoid valve, 7-pistons, 8-piston rods, 9-turbidity transducers, 10-microprocessors, 11-sanitary sewage discharge pipes,
12-piston rod through-holes, 13-motors, 14-cranks, 15-crankshafts, 16-light source emitters, 17-photocell receiving poles.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
A kind of marine domestic sewage turbidity detection device having self-cleaning function designed by the present invention, as shown in Figure 1,
It includes bypass pipe 1, the first solenoid valve 2, conduction hose 3, glass storage pipe 4, incomplete tube 5, second solenoid valve 6, piston 7, lives
Stopper rod 8, turbidity transducer 9 and piston driver, wherein the front end of the glass storage pipe 4 is equipped with sewage inlet and row
Residual mouth, one end of the bypass pipe 1 connect the inlet of the first solenoid valve 2, and the other end of bypass pipe 1 is for connecting sanitary sewage
The liquid outlet of discharge pipe 11, the first solenoid valve 2 is connected to by conduction hose 3 with the sewage inlet of glass storage pipe 4, glass storage
The residual mouth of row for depositing pipe 4 is connect by incomplete tube 5 with the input terminal of second solenoid valve 6, and the output end of second solenoid valve 6 is discharge
Mouthful, piston 7 is set in the glass storage pipe 4, the rear end of glass storage pipe 4 offers piston rod through-hole 12, and the one of piston rod 8
End is fixedly connected with 7 rear end of piston, and the other end of piston rod 8 stretches out piston rod through-hole 12, is set on the lateral wall of glass storage pipe 4
Set turbidity transducer 9, the piston driver is used to driving the piston back and forth in glass storage pipe 4 of piston 7 by piston rod 8
Movement.
In above-mentioned technical proposal, piston driving dress includes motor 13, crankshaft 14 and connecting rod 15, the motor 13 it is defeated
Shaft is mounted on the axle center of crankshaft 14, the connecting rod articulated shaft of the hinged crankshaft 14 in one end of connecting rod 15, the other end of connecting rod 15 with
The other end of piston rod 8 is hinged.Because output power of motor is stablized, power supply is obtained convenient on ship, crankshaft 14 and connecting rod 15 into
The conversion of row power, technology are highly developed.The system can ensure that piston rod moves back and forth the power generated and acts perpendicularly to live always
On the center of circle of plug, make piston ridge and glass storage inside pipe wall uniform force always.
In above-mentioned technical proposal, it further includes microprocessor 10, the first solenoid valve control signal of the microprocessor 10
Output end connects the control signal input of the first solenoid valve 2, and the second solenoid valve control signal output of microprocessor 10 connects
Connect the control signal input of second solenoid valve 6, the control of the motor control signal output end connection motor 13 of microprocessor 10
Signal input part.
In above-mentioned technical proposal, the turbidity transducer 9 is photo-electric turbidity transducer, and the sensor structure is simple, essence
Degree is high, and at low cost, testing result is accurate, and the photo-electric turbidity transducer includes light source emitter 16 and photocell receiving pole
17, light source emitter 16 and photocell receiving pole 17 are respectively placed on the side wall of glass storage pipe 4, and the light of light source emitter 16
The optical signal receiving end of signal transmitting terminal and photocell receiving pole 17 is arranged through glass storage pipe 4 is opposite.Photo-electric turbidity passes
The light source emitter 16 and photocell receiving pole 17 of sensor are respectively placed in glass storage pipe outer wall, do not connect directly with measurement sample
Touching.
In above-mentioned technical proposal, glass storage pipe 4 can facilitate the Turbidity measurement infrared ray of photo-electric turbidity transducer sending
Light wave penetrates.Glass storage pipe 4 is cylindrical body, and piston 7 is also corresponding cylindrical body.
In above-mentioned technical proposal, the light source emitter control signal output of the microprocessor 10 connects light source emitter
16 control signal input, the turbidity sensing of the turbidity transducing signal input terminal connection photocell receiving pole 17 of microprocessor 10
Signal output end.
In above-mentioned technical proposal, the bottom surface of 4 front end of glass storage pipe is arranged in the residual mouth of 4 row of glass storage pipe, convenient
Sewage discharge.
It is interference fit between 7 lateral wall of piston and the inner sidewall of glass storage pipe 4 in above-mentioned technical proposal.Two
Larger frictional force, the residue in easy cleaning glass storage pipe 4 are generated between person.
In above-mentioned technical proposal, the first solenoid valve 2 and second solenoid valve 6 are 2/2-way solenoid valve.
A kind of marine domestic sewage turbidity detection method using above-mentioned apparatus, it includes the following steps:
Step 1: microprocessor 10 has received Sewage from Ships discharge signal；
Step 2: microprocessor 10 controls the first solenoid valve 2 and opens, and second solenoid valve 6 is closed, and makes sanitary sewage discharge pipe
11, bypass pipe 1, conduction hose 3 and 4 connection of glass storage pipe；
Step 3: microprocessor 10 assigns instruction to motor 13, and motor 13 operates, using crankshaft 14 and connecting rod 15 by motor
The rotary force of 13 output shafts is converted into reciprocating, and connecting rod 15 drives piston rod 8, before pulling piston 7 is by glass storage pipe 4
End motion is stopped rotating, sewage is drawn into glass storage pipe 4 to rear end at this point, microprocessor 10 controls motor；
Step 4: microprocessor 10 controls turbidity transducer 9, and the light source emitter 16 of turbidity transducer 9 is made to be powered, and emits
Turbidity measurement infrared light-wave, Turbidity measurement infrared light-wave penetrate 4 surface of glass storage pipe and inside sewage after by photoelectricity
Pond receiving pole 17 receives, and photocell receiving pole 17 detects the light intensity of transmitted light to detect the degree of sewage muddiness, and photocell receives
Pole 17 converts Turbidity measurement voltage signal for received optical signal transmissive and issues microprocessor 10, and microprocessor 10 passes through turbidity
Turbidity measurement voltage signal is converted turbidity numerical value by the Turbidity measurement voltage signal of sensor and the transformational relation of turbidity numerical value；
Step 5: after Turbidity measurement, microprocessor 10 controls second solenoid valve 6 and opens, and the first solenoid valve 2 is closed, micro-
Processor 10 assigns instruction to motor 13, and motor 13 rotates, and pushes piston 7 by glass storage pipe 4 using crankshaft 14 and connecting rod 15
Rear end move to front end, sewage is excluded by incomplete tube 5 and second solenoid valve 6, meanwhile, utilize 7 lateral wall of piston and glass
The frictional force that interference fit between the inner sidewall of memotron 4 generates cleans tube wall, measures to next time.
The content that this specification is not described in detail belongs to the prior art well known to professional and technical personnel in the field.
Claims (8)
1. a kind of marine domestic sewage turbidity detection device for having self-cleaning function, which is characterized in that it includes bypass pipe
(1), the first solenoid valve (2), conduction hose (3), glass storage pipe (4), incomplete tube (5), second solenoid valve (6), piston (7),
Piston rod (8), turbidity transducer (9) and piston driver, wherein the front end of the glass storage pipe (4) be equipped with sewage into
Liquid mouth and the residual mouth of row, the other end of the inlet of one end connection the first solenoid valve (2) of the bypass pipe (1), bypass pipe (1) are used
Pass through conduction hose (3) and glass storage pipe (4) in the liquid outlet of connection sanitary sewage discharge pipe (11), the first solenoid valve (2)
The connection of sewage inlet, the residual mouth of row of glass storage pipe (4) connected by the input terminal of incomplete tube (5) and second solenoid valve (6)
It connects, the output end of second solenoid valve (6) is discharge outlet, piston (7) is arranged in the glass storage pipe (4), glass storage pipe (4)
Rear end offer piston rod through-hole (12), one end of piston rod (8) is fixedly connected with piston (7) rear end, piston rod (8) it is another
Piston rod through-hole (12) are stretched out in one end, and turbidity transducer (9) are arranged on the lateral wall of glass storage pipe (4), the piston driving
Device is used for through piston rod (8) driving piston (7) in the interior piston motion back and forth of glass storage pipe (4).
2. the marine domestic sewage turbidity detection device according to claim 1 for having self-cleaning function, it is characterised in that:
The piston driving dress includes that motor (13), crankshaft (14) and connecting rod (15), the output shaft of the motor (13) are mounted on crankshaft
(14) on axle center, the connecting rod articulated shaft of the hinged crankshaft in one end (14) of connecting rod (15), the other end and piston rod of connecting rod (15)
(8) the other end is hinged.
3. the marine domestic sewage turbidity detection device according to claim 2 for having self-cleaning function, it is characterised in that:
It further includes microprocessor (10), and the first solenoid valve control signal output end of the microprocessor (10) connects the first solenoid valve
(2) control signal input, second solenoid valve control signal output connection second solenoid valve (6) of microprocessor (10)
Control signal input, the control signal input of motor control signal output end connection motor (13) of microprocessor (10).
4. the marine domestic sewage turbidity detection device according to claim 3 for having self-cleaning function, it is characterised in that:
The turbidity transducer (9) be photo-electric turbidity transducer, the photo-electric turbidity transducer include light source emitter (16) and
Photocell receiving pole (17), light source emitter (16) and photocell receiving pole (17) are respectively placed in the outside of glass storage pipe (4)
On wall, and the optical signal receiving end of the optical signal launch end of light source emitter (16) and photocell receiving pole (17) is stored up through glass
Deposit the opposite arrangement of pipe (4).
5. the marine domestic sewage turbidity detection device according to claim 4 for having self-cleaning function, it is characterised in that:
The control signal input of light source emitter control signal output connection light source emitter (16) of the microprocessor (10),
The turbidity transducing signal output end of turbidity transducing signal input terminal connection photocell receiving pole (17) of microprocessor (10).
6. the marine domestic sewage turbidity detection device according to claim 1 for having self-cleaning function, it is characterised in that:
The glass storage pipe (4) arranges residual mouth setting in the bottom surface of glass storage pipe (4) front end.
7. the marine domestic sewage turbidity detection device according to claim 1 for having self-cleaning function, it is characterised in that:
It is interference fit between piston (7) lateral wall and the inner sidewall of glass storage pipe (4).
8. a kind of marine domestic sewage turbidity detection method using claim 1 described device, which is characterized in that it includes such as
Lower step:
Step 1: microprocessor (10) has received Sewage from Ships discharge signal；
Step 2: microprocessor (10) controls the first solenoid valve (2) and opens, and second solenoid valve (6) is closed, and sanitary sewage is discharged
Manage (11), bypass pipe (1), conduction hose (3) and glass storage pipe (4) connection；
Step 3: microprocessor (10) assigns instruction to motor (13), and motor (13) operating utilizes crankshaft (14) and connecting rod (15)
Convert reciprocating for the rotary force of motor (13) output shaft, connecting rod (15) drives piston rod (8), pull piston (7) by
The nose motion of glass storage pipe (4) is to rear end, at this point, microprocessor (10) control motor stops rotating, sewage is drawn into glass
Glass memotron (4)；
Step 4: microprocessor (10) controls turbidity transducer (9), and the light source emitter (16) of turbidity transducer (9) is made to be powered,
Emit Turbidity measurement infrared light-wave, after Turbidity measurement infrared light-wave penetrates the sewage of glass storage pipe (4) surface and inside
It being received by photocell receiving pole (17), the light intensity of photocell receiving pole (17) detection transmitted light detects the degree of sewage muddiness,
Photocell receiving pole (17) converts Turbidity measurement voltage signal for received optical signal transmissive and issues microprocessor (10), micro- place
Reason device (10) is believed Turbidity measurement voltage by the Turbidity measurement voltage signal of turbidity transducer and the transformational relation of turbidity numerical value
Number it is converted into turbidity numerical value；
Step 5: after Turbidity measurement, microprocessor (10) controls second solenoid valve (6) and opens, and the first solenoid valve (2) is closed,
Microprocessor (10) assigns instruction to motor (13), and motor (13) rotation pushes piston (7) using crankshaft (14) and connecting rod (15)
Front end is moved to by the rear end of glass storage pipe (4), sewage is excluded by incomplete tube (5) and second solenoid valve (6), meanwhile, benefit
Tube wall is cleaned with the frictional force that the interference fit between piston (7) lateral wall and the inner sidewall of glass storage pipe (4) generates, under
Secondary measurement.
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Application publication date: 20190319 |