Industrial online turbidity transducerTechnical field
The utility model is related to water quality monitoring technical field, and in particular to a kind of online turbidity transducer of industry.
Background technology
The scenes such as current river, ocean, waterworks, sewage treatment plant, swimming pool, crawl need the turbidity to water qualityCarry out real time on-line monitoring, the signal of collection site and display, pick-up.Turbidity transducer on the market, monitors on-line and becomes at presentThe data precision sent is relatively low, inconvenient for use, and complicated, cost is higher to be not easy to promote.
Publication No. CN106093127A Chinese patent literature discloses a kind of online remote supervision system of water turbidityAnd method, system includes water quality detection unit, for carrying out Turbidity measurement, monitoring center, for receiving water quality to detected water sampleThe water quality detection result of detection unit, mobile terminal, for remote alarms, inquiry and statistics water quality detection result.This patent textThe technical scheme offered can carry out Turbidity measurement to detected water sample automatically, water quality detection result be carried out by mobile terminal long-rangeInquiry and statistics, when water quality has problem, can be sent a warning message by monitoring center to mobile terminal, but itsThe data precision of line monitoring pick-up is relatively low, and using inconvenient, structure is more complicated, cost is higher.
Publication No. CN105929122A Chinese patent literature discloses a kind of movable water quality monitoring system, including movesMoving platform, wireless anchor node, handheld terminal, Surveillance center, the mobile platform include embedded main control board, battery, water sampleAcquisition module, water quality detection module, motion-control module, radio communication and range finder module, the water quality detection module include PHSensor, temperature sensor, conductivity sensor, dissolved oxygen sensor, turbidity transducer, the motion-control module include electricityDrive circuit and two direct current generators, direction controlling are described by controlling the difference of two DC generator speeds to be controlledRadio communication and range finder module are communicated with handheld terminal or Surveillance center and coordinated with the wireless anchor node and complete to surveyAway from function.The technical scheme of patent document can also realize the on-line monitoring to multi-parameter water-quality, but it monitors pick-up on-lineData precision it is relatively low, and its complicated, cost is higher.
Utility model content
The purpose of this utility model is to provide a kind of industry online turbidity transducer, to solve the turbidity to water qualityThe data precision for monitoring pick-up on-line is relatively low, inconvenient for use, complicated, the problem of cost is higher.
To achieve the above object, the utility model provides a kind of industry online turbidity transducer, including turbidimetry pick-upCentral processor unit, system electricity are provided with circuit board, infrared transmitter and infrared remote receiver, turbidimetry transmission circuit plateSource module, voltage-current converter circuit, current-to-voltage converting circuit, current output circuit and Digital communication circuit, center processingDevice element connection system power module, system power supply module connects infrared transmitter, infrared receiver through voltage-current converter circuitDevice connects central processor unit through current-to-voltage converting circuit, and central processor unit connects current output circuit sum respectivelyWord communicating circuit.
Further, filter circuit is additionally provided with turbidimetry transmission circuit plate, current-to-voltage converting circuit is filteredCircuit connects CPU.
Further, optically coupled circuit is additionally provided with turbidimetry transmission circuit plate, central processor unit is through optocouplerClose circuit and connect current output circuit and Digital communication circuit respectively.
Further, central processor unit is single-chip microcomputer.
Further, infrared transmitter is infrared diode.
Further, infrared remote receiver is silicon photocell.
Further, the online turbidity transducer of industry also includes housing, light sensation gauge head and water-proof cable, turbidimetry pick-upCircuit board is arranged at enclosure interior, and one end of housing sets light sensation gauge head, and infrared transmitter and infrared remote receiver are arranged at light sensationOn gauge head, the other end of the water-proof cable through housing penetrates and connects turbidimetry transmission circuit plate.
Further, the online turbidity transducer of industry also includes shading bucket, and one end of one end connection housing of shading bucket is simultaneouslyLight sensation gauge head is covered, the other end of shading bucket and side offer water inlet.
Further, one end of shading bucket offers screwed hole, and one end of housing is provided with external screw thread, one end of shading bucketIt is threadedly coupled one end of housing.
Further, housing is made by anti-corrosion material.
The utility model has the following advantages that：
The online turbidity transducer of industry of the present utility model, the water turbidity degrees of data precision for monitoring pick-up on-line is higher,Simple in construction, cost is relatively low, exportable analog and digital signal, is easy to secondary development.
Brief description of the drawings
Fig. 1 is the structured flowchart of the online turbidity transducer of industry in the present embodiment.
Fig. 2 is the structural representation of the unassembled shading bucket of the online turbidity transducer of industry in the present embodiment.
Fig. 3 assembles the structural representation of shading bucket for the online turbidity transducer of industry in the present embodiment.
Fig. 4 is the structural representation of light sensation gauge head in the online turbidity transducer of industry in the present embodiment.
Fig. 5 is the structural representation of shading bucket in the online turbidity transducer of industry in the present embodiment.
Embodiment
Following examples are used to illustrate the utility model, but are not limited to scope of the present utility model.
Embodiment 1
As shown in Figures 1 to 5, the present embodiment provides a kind of industry online turbidity transducer, turbidimetry transmission circuit plate 2On to be provided with central processor unit, system power supply module, voltage-current converter circuit, current-to-voltage converting circuit, electric current defeatedGo out circuit and Digital communication circuit, central processor unit connection system power supply module, system power supply module turns through voltage x currentChange circuit connection infrared transmitter, infrared remote receiver connection current-to-voltage converting circuit, the filtered electricity of current-to-voltage converting circuitRoad connects central processor unit, and central processor unit connects current output circuit and digital communication respectively through optically coupled circuitCircuit.Central processor unit in the present embodiment is single-chip microcomputer, and external transmitter is infrared diode 6, and infrared remote receiver is siliconPhotocell 7.The infrared light sent using infrared diode 6 is reduced interference of the sunshine to detection, improved as transmitting light sourceMonitor the water turbidity degrees of data precision of pick-up on-line.The infrared light direct beam that infrared diode 6 is sent is by fluid to be measured, in quiltThe power for the light that fluid to be measured is reflected, the more strong then fluid to be measured of light of refraction are detected with silicon photocell 7 in 90 degree of directions for surveying liquidTurbidity it is higher, light power and survey liquid turbidity height it is linear.Current output circuit in the present embodiment is 4-20MA output circuits, for exporting 4-20MA analog signals, Digital communication circuit is 485 communicating circuits, for exporting 485 signalsTo carry out remote monitoring communication, it is easy to the online turbidity transducer of industry of the engineer to the present embodiment to carry out secondary development.
Embodiment 2
The present embodiment in place of the difference of embodiment 1 with being, turbidimetry transmission circuit plate 2 is arranged inside housing 3, shellBody 3 is made by anti-corrosion material, and waterproof IP68 grades are reached by embedding marine glue, and one end of housing 3 sets light sensation gauge head1, light sensation gauge head 1 connects turbidimetry transmission circuit plate 2 through signal line terminal 8, and infrared diode 6 and silicon photocell 7 are setIn on light sensation gauge head 1, the other end of the water-proof cable 4 through housing 3 penetrates and connects turbidimetry transmission circuit plate 2.Water-proof cable 4, can be with acid and alkali-resistance and seawater corrosion using special waterproof material, suitable special operation condition is used.One end of shading bucket 5 offers spiral shellPit 52, one end of housing 3 is provided with external screw thread 11, and one end of the threaded one end connection housing 3 of shading bucket 5 simultaneously covers light sensingFirst 1, the other end of shading bucket 5 and side offer water inlet 51.Shading bucket 5 can block visible ray, infrared light, it is to avoid light sensationGauge head 1 is disturbed by exterior light, and when the online turbidity transducer submerged of the industry in the present embodiment, water can be by enteringThe mouth of a river 51 enters the position for avoiding light sensation gauge head 1, can further improve the water turbidity degrees of data essence of on-line monitoring pick-upDegree.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art's.Therefore, the these modifications or improvements on the basis of without departing from the utility model spirit, belonging to the utility model willSeek the scope of protection.