CN205484181U - Oxygen sensor is dissolved to dedicated low cost of aquaculture - Google Patents
Oxygen sensor is dissolved to dedicated low cost of aquaculture Download PDFInfo
- Publication number
- CN205484181U CN205484181U CN201620298015.5U CN201620298015U CN205484181U CN 205484181 U CN205484181 U CN 205484181U CN 201620298015 U CN201620298015 U CN 201620298015U CN 205484181 U CN205484181 U CN 205484181U
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- sensor
- aquaculture
- low cost
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- dissolved oxygen
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Abstract
The utility model discloses an oxygen sensor is dissolved to dedicated low cost of aquaculture contains the cable of being qualified for the next round of competitions, sensor main part, sensor electrodes core, grindstone, push rod motor, safety cover, connection piece, the sensor main part contains analog to digital conversion circuit, signal amplification circuit, filter circuit and the microcontroller module that connects gradually, sensor electrodes core contains positive pole and negative pole, the sensor main part still contains clock module, input setting module and data storage module, and duty cycle that can preset push rod motor has prolonged sensor electrodes core's life, saves in real time through data storage module simultaneously, avoids the loss of data because of sensor failure brings the utility model discloses a but sensor electrodes core surface self - cleaning, measurement accuracy is high, does not receive water body pollution and water velocity to influence measurement accuracy, and this detailed description of the invention has simple structure, sets up reasonable, cost of manufacture low grade advantage.
Description
Technical field
This utility model relates to a kind of dissolved oxygen sensor, particularly relates to the low cost dissolved oxygen that a kind of aquaculture is special
Sensor, belongs to field of water quality detection.
Background technology
Either natural water or sewage all can dissolve some gases, and it is originated the following aspects: the nitrogen in air
And oxygen；The product carbon dioxide that Organic substance in water decomposes；Hydrobiological metabolism (such as hydrobiological breathings such as algae)
The oxygen of effect generation and carbon dioxide, the molecular oxygen being dissolved in water is referred to as dissolved oxygen.
Dissolved oxygen content in natural water body depends on water body and the balance of oxygen in air.The saturated content of oxygen in water
With relating to parameters such as atmospheric pressure and partial pressure of oxygen, water temperature and salinity.Unpolluted oxygen in water is saturation.
After water body is contaminated, the dissolved oxygen that will constantly consume in water due to the existence of aerobic bacteria, if can not get the timely benefit of air
Fill, then the dissolved oxygen of water will gradually decrease, and ultimately results in water body and goes bad.So using dissolved oxygen as the one of water pollution degree
Item index；Dissolved oxygen is the fewest, shows that pollution level is the most serious.When dissolved oxygen is less than 4mg/L, Fish are just difficult to survive, and are less than
During 2mg/L, water body just produces stink.
Dissolved oxygen detector is the instrument measuring content of oxygen dissolved in water, is functionally divided into off-line type and online two big
Class；The former is for laboratory conventional analysis or spot check test；The latter is used for engineering of water treatment or monitoring water environment, such as dirty
The detection of water biochemical treatment technical process, technique for treating industrial wastewater process, surface water, aquaculture monitoring etc..
Dividing from measuring method, dissolved oxygen measurement has iodimetric titration, chemical electrode method.And chemical electrode method be divided into galvanic cell method,
Polarography.Wherein, polarography application is relatively universal, is widely used in each field.Iodimetric titration measurement process is complicated, the cycle is long, is suitable for
Measurement in lab.Chemical electrode method is easily disturbed by various impurity in water, measurement accuracy is low, need periodic replacement electrolyte, makes
All inconvenient with safeguarding.
A kind of new dissolved oxygen sensing method fluorescence method occurs in recent years, relative to chemical electrode method, fluorescence measurement
Amount dissolved oxygen, is obtained for improvement at aspects such as stability, anti-interference, certainty of measurement, life-span, ease for maintenance；Should in reality
In with, owing to water quality condition difference is relatively big, dissolved oxygen probe all needs to increase self-stripping unit, all uses cleaning brush during general cleaning,
Which increasing drive mechanism, cleaning brush, to sensor friction, also reduces the life-span of sensor.
Utility model content
It is special that technical problem to be solved in the utility model is that the deficiency for background technology provides a kind of aquaculture
Low cost dissolved oxygen sensor.
This utility model is for solving above-mentioned technical problem by the following technical solutions
The low cost dissolved oxygen sensor that a kind of aquaculture is special, comprises outlet cable, sensor main body, sensor electricity
Pole piece, grinding stone, push-rod electric machine, protective cover, connection sheet, one end of described sensor main body is connected with outlet cable, described sensing
The other end of device mobile jib is connected with sensor electrode core, and described sensor main body comprises analog to digital conversion circuit, the letter being sequentially connected with
Number amplifying circuit, filter circuit and micro controller module；Described sensor electrode core comprises anode and negative electrode, and described grinding stone is arranged
In the periphery of sensor electrode core, described grinding stone is connected with push-rod electric machine, and described push-rod electric machine is connected with micro controller module；Institute
Stating grinding stone and be connected with protective cover by connecting sheet, described protective cover is set in outside sensor electrode core, described outlet cable peripheral hardware
There is outlet cable protection set.
As the further preferred scheme of the special low cost dissolved oxygen sensor of a kind of aquaculture of this utility model, institute
Stating sensor main body and also comprise clock module, input setting module and data memory module, described clock module, input set mould
Block and data memory module are connected on the corresponding port of micro controller module.
As the further preferred scheme of the special low cost dissolved oxygen sensor of a kind of aquaculture of this utility model, institute
State protective cover end and be provided with oxygen permeation membrane.
As the further preferred scheme of the special low cost dissolved oxygen sensor of a kind of aquaculture of this utility model, institute
Stating protective cover is arc-shaped, and uses anticorrosive to make.
As the further preferred scheme of the special low cost dissolved oxygen sensor of a kind of aquaculture of this utility model, push away
It is provided with motor between bar motor and micro controller module to drive.
As the further preferred scheme of the special low cost dissolved oxygen sensor of a kind of aquaculture of this utility model, institute
State micro controller module and use AVR series monolithic.
As the further preferred scheme of the special low cost dissolved oxygen sensor of a kind of aquaculture of this utility model, institute
Stating outlet cable protection set uses anti-corrosion material to constitute.
As the further preferred scheme of the special low cost dissolved oxygen sensor of a kind of aquaculture of this utility model, institute
State signal amplification circuit and comprise amplifier chip, the first resistance, the second resistance, the 3rd resistance, the outfan of analog to digital conversion circuit
Connecting the first resistance and one end of the second resistance respectively, the other end of the second resistance connects the positive pole of amplifier chip, amplifier
With the other end ground connection of the first resistance after the negative pole of chip and the 3rd resistant series, the voltage output end connection mode of amplifier chip
The input of filter circuit.
This utility model uses above technical scheme compared with prior art, has following technical effect that
1, sensor main body of the present utility model also comprises clock module, input setting module and data memory module, can
To preset the working cycle of push-rod electric machine, extend the service life of sensor electrode core, store mould by data simultaneously
Block real-time storage, it is to avoid the loss of data brought because of sensor fault；
2, this utility model have employed protection set this application specific architecture protection outlet cable, it is ensured that install reliably, sealing can
Leaning on, protection cable is not broken by the teeth by water fish class or owing to current relatively suddenly pull apart cable；
3, sensor electrode wicking surface of the present utility model can clean automatically, and certainty of measurement is high, not by water pollution and water
Flow Velocity affects certainty of measurement, and this detailed description of the invention has simple in construction, arranges the advantages such as reasonable, cost of manufacture is low；
4, grinding stone of the present utility model is connected with protective cover by connecting sheet, drives protective cover to move up and down, protection sensing
Device electrode cores is not affected by oxygen bubbles, relaxes static current and quick current, makes measurement not affected by water velocity, carry
High measuring accuracy.
Accompanying drawing explanation
Fig. 1 is this utility model structure chart；
Fig. 2 is the structured flowchart of this utility model sensor main body；
Fig. 3 is the circuit diagram of this utility model signal amplification circuit.
In figure, label is specific as follows: 1-outlet cable, 2-sensor main body, 3-sensor electrode core, 4-anode, and 5-is cloudy
Pole, 6-oxygen permeation membrane, 7-grinding stone, 8-push-rod electric machine, 9-protective cover, 10-connects sheet, 11-outlet cable protection set.
Detailed description of the invention
Below in conjunction with the accompanying drawings the technical solution of the utility model is described in further detail:
As it is shown in figure 1, the low cost dissolved oxygen sensor that a kind of aquaculture is special, comprise outlet cable 1, sensor
Main body 2, sensor electrode core 3, grinding stone 7, push-rod electric machine 8, protective cover 9, connect sheet 10, one end of described sensor main body 2 with
Outlet cable 1 connects, and the other end of described sensor mobile jib 2 is connected with sensor electrode core 3, and described sensor main body 2 comprises
Analog to digital conversion circuit, signal amplification circuit, filter circuit and the micro controller module being sequentially connected with；Described sensor electrode core 3
Comprising anode 4 and negative electrode 5, described grinding stone 7 is arranged on the periphery of sensor electrode core 3, and described grinding stone 7 is with push-rod electric machine 8 even
Connecing, described push-rod electric machine 8 is connected with micro controller module；Described grinding stone 7 is connected with protective cover 9 by connecting sheet 10, described guarantor
Guard shield 9 is set in outside sensor electrode core 3, and described outlet cable 1 is externally provided with outlet cable protection set 11.
Described sensor main body also comprises clock module, inputs setting module and data memory module, described clock module,
Input setting module and data memory module are connected on the corresponding port of micro controller module.Sensing of the present utility model
Device main body also comprises clock module, input setting module and data memory module, can preset the work week of push-rod electric machine
Phase, extend the service life of sensor electrode core, simultaneously by data memory module real-time storage, it is to avoid because of sensor fault
The loss of data brought.Described micro controller module uses AVR series monolithic.
Wherein, described protective cover end is provided with oxygen permeation membrane, and described protective cover is arc-shaped, and the anticorrosive system of employing
Become.Described outlet cable protection set uses anti-corrosion material to constitute: this utility model have employed protection and overlaps the protection of this application specific architecture
Outlet cable, it is ensured that installation is reliable, it is reliable to seal, protection cable is not broken by the teeth by water fish class or owing to current relatively suddenly pull apart electricity
Cable；Grinding stone of the present utility model is connected with protective cover by connecting sheet, drives protective cover to move up and down, protects sensor electrode core
Do not affected by oxygen bubbles, relax static current and quick current, make measurement not affected by water velocity, improve measurement
Degree of accuracy.
It is provided with motor between push-rod electric machine and micro controller module to drive, when needs cleaning sensor electrode cores, microcontroller
Device module sends a signal to motor and drives, and then drives push-rod electric machine, and grinding stone 7 passes through push rod in the periphery of sensor electrode core 3
Motor 8 moves up and down, and grinding stone 7 ceaselessly grinds anode 4, the surface of negative electrode 5, improves certainty of measurement, and meanwhile, grinding stone 7 leads to
Crossing connection sheet 10 to be connected with protective cover 9, drive protective cover 9 to move up and down, protection sensor electrode core 3 is not by the shadow of oxygen bubbles
Ring, relax static current and quick current, make measurement not affected by water velocity, improve measuring accuracy.This practicality
Novel sensor electrode wicking surface can clean automatically, and certainty of measurement is high, is not affected measurement essence by water pollution and water velocity
Degree, this detailed description of the invention has simple in construction, arranges the advantages such as reasonable, cost of manufacture is low.
As in figure 2 it is shown, described sensor main body comprises analog to digital conversion circuit, signal amplification circuit, filter circuit and micro-control
Device module processed, clock module, input setting module and data memory module；Analog-digital conversion circuit as described, signal amplification circuit, filter
Wave circuit and micro controller module are sequentially connected with, and described clock module, input setting module and data memory module are connected to micro-
On the corresponding port of controller module.
As it is shown on figure 3, described signal amplification circuit comprises amplifier chip, the first resistance, the second resistance, the 3rd resistance,
The outfan of analog to digital conversion circuit connects the first resistance and one end of the second resistance respectively, and the other end of the second resistance connects amplification
The positive pole of device chip, with the other end ground connection of the first resistance after the negative pole of amplifier chip and the 3rd resistant series, amplifier core
The input of the voltage output end connection mode filter circuit of sheet.This utility model uses this signal amplification circuit to carry out at signal
Reason, improves the stability of system.
In sum, sensor main body of the present utility model also comprises clock module, input setting module and data storage
Module, can preset the working cycle of push-rod electric machine, extends the service life of sensor electrode core, passes through data simultaneously
Memory module real-time storage, it is to avoid the loss of data brought because of sensor fault；This utility model have employed protection set, and this is special
Use structural defence outlet cable, it is ensured that install reliable, seal reliable, protection cable is not broken by the teeth by water fish class or due to current relatively
Suddenly pull apart cable；Sensor electrode wicking surface of the present utility model can clean automatically, and certainty of measurement is high, not by water pollution and
Water velocity affects certainty of measurement, and this detailed description of the invention has simple in construction, arranges the advantages such as reasonable, cost of manufacture is low；This
The grinding stone of utility model is connected with protective cover by connecting sheet, drives protective cover to move up and down, and protection sensor electrode core is not subject to
The impact of oxygen bubbles, relaxes static current and quick current, makes measurement not affected by water velocity, improves measurement accurately
Degree.
It is understood that unless otherwise defined, all terms used herein (include skill to those skilled in the art of the present technique
Art term and scientific terminology) have with the those of ordinary skill in art of the present invention be commonly understood by identical meaning.Also
It should be understood that those terms defined in such as general dictionary should be understood that have with in the context of prior art
The consistent meaning of meaning, and unless defined as here, will not explain by idealization or the most formal implication.
Above example is only the technological thought that the present invention is described, it is impossible to limit protection scope of the present invention with this, every
The technological thought proposed according to the present invention, any change done on the basis of technical scheme, each fall within scope
Within.Above embodiments of the present invention are explained in detail, but the present invention is not limited to above-mentioned embodiment, in ability
In the ken that territory those of ordinary skill is possessed, it is also possible to make various change on the premise of or else departing from present inventive concept
Change.
Claims (8)
1. the low cost dissolved oxygen sensor that an aquaculture is special, it is characterised in that: comprise outlet cable, sensor main
Body, sensor electrode core, grinding stone, push-rod electric machine, protective cover, connection sheet, one end of described sensor main body is with outlet cable even
Connecing, the other end of described sensor mobile jib is connected with sensor electrode core, and described sensor main body comprises the modulus being sequentially connected with
Change-over circuit, signal amplification circuit, filter circuit and micro controller module；Described sensor electrode core comprises anode and negative electrode,
Described grinding stone is arranged on the periphery of sensor electrode core, and described grinding stone is connected with push-rod electric machine, described push-rod electric machine and microcontroller
Device module connects；Described grinding stone is connected with protective cover by connecting sheet, and described protective cover is set in outside sensor electrode core, described
Outlet cable is externally provided with outlet cable protection set.
The low cost dissolved oxygen sensor that a kind of aquaculture the most according to claim 1 is special, it is characterised in that: described
Sensor main body also comprises clock module, input setting module and data memory module, described clock module, input setting module
It is connected on the corresponding port of micro controller module with data memory module.
The low cost dissolved oxygen sensor that a kind of aquaculture the most according to claim 1 is special, it is characterised in that: described
Protective cover end is provided with oxygen permeation membrane.
The low cost dissolved oxygen sensor that a kind of aquaculture the most according to claim 1 is special, it is characterised in that: described
Protective cover is arc-shaped, and uses anticorrosive to make.
The low cost dissolved oxygen sensor that a kind of aquaculture the most according to claim 1 is special, it is characterised in that: push rod
It is provided with motor between motor and micro controller module to drive.
The low cost dissolved oxygen sensor that a kind of aquaculture the most according to claim 1 is special, it is characterised in that: described
Micro controller module uses AVR series monolithic.
The low cost dissolved oxygen sensor that a kind of aquaculture the most according to claim 1 is special, it is characterised in that: described
Outlet cable protection set uses anti-corrosion material to constitute.
The low cost dissolved oxygen sensor that a kind of aquaculture the most according to claim 1 is special, it is characterised in that: described
Signal amplification circuit comprises amplifier chip, the first resistance, the second resistance, the 3rd resistance, and the outfan of analog to digital conversion circuit divides
Not connecting the first resistance and one end of the second resistance, the other end of the second resistance connects the positive pole of amplifier chip, amplifier core
With the other end ground connection of the first resistance after the negative pole of sheet and the 3rd resistant series, the voltage output end connection mode filter of amplifier chip
The input of wave circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620298015.5U CN205484181U (en) | 2016-04-11 | 2016-04-11 | Oxygen sensor is dissolved to dedicated low cost of aquaculture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620298015.5U CN205484181U (en) | 2016-04-11 | 2016-04-11 | Oxygen sensor is dissolved to dedicated low cost of aquaculture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205484181U true CN205484181U (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620298015.5U Expired - Fee Related CN205484181U (en) | 2016-04-11 | 2016-04-11 | Oxygen sensor is dissolved to dedicated low cost of aquaculture |
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| CN (1) | CN205484181U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954321A (en) * | 2016-04-28 | 2016-09-21 | 无锡昊瑜节能环保设备有限公司 | Low-cost dissolved oxygen sensor |
| CN113607791A (en) * | 2021-08-11 | 2021-11-05 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method of tank-stored foam extinguishing agent mildew early warning device and product thereof |
-
2016
- 2016-04-11 CN CN201620298015.5U patent/CN205484181U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954321A (en) * | 2016-04-28 | 2016-09-21 | 无锡昊瑜节能环保设备有限公司 | Low-cost dissolved oxygen sensor |
| CN113607791A (en) * | 2021-08-11 | 2021-11-05 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method of tank-stored foam extinguishing agent mildew early warning device and product thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20170411 |