CN208969002U - A kind of optical dissolved oxygen sensor test device - Google Patents
A kind of optical dissolved oxygen sensor test device Download PDFInfo
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- CN208969002U CN208969002U CN201821241385.0U CN201821241385U CN208969002U CN 208969002 U CN208969002 U CN 208969002U CN 201821241385 U CN201821241385 U CN 201821241385U CN 208969002 U CN208969002 U CN 208969002U
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- hood
- optical
- cartridge filter
- dissolved oxygen
- inlet pipe
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Abstract
The utility model discloses a kind of optical dissolved oxygen sensor test devices, including water inlet pipe and cartridge filter, the right end of the water inlet pipe is internally provided with cartridge filter, the water inlet pipe and cartridge filter are rotated by internal whorl to be connected, the right end of the water inlet pipe is provided with connector, the right end of the connector is provided with hood, the inside left end of the hood is provided with inner cavity, the utility model is by being provided with cartridge filter, in this way when dissolved oxygen solution is when being measured, internal bubble impurity etc. can be filtered, bubble can be improved in this way and add up influence undesirable caused by measurement result, so as to pass through the phase difference of measurement excitation feux rouges and reference light, so as to calculate the concentration of oxygen molecule, systematic error can be effectively reduced, have the characteristics that measurement is rapid and accurate, pass through setting hood simultaneously, Anti-dazzling screen is arranged in optical path cavity wall, can effectively reduce the influence of external stray light, improves measurement accuracy.
Description
Technical field
The utility model belongs to aquaculture correlative technology field, and in particular to a kind of optical dissolved oxygen sensor test
Device.
Background technique
Solution oxygen mass concentration is to measure one of major criterion for water quality, and the foundation of self-purification capacity for studying water.
Partial pressure of oxygen, atmospheric pressure, water temperature and water quality have close relationship in the size and air of dissolved oxygen mass concentration.Based on fluorescent quenching
The dissolved oxygen sensor of principle is a kind of novel dissolved oxygen measurement method that recent two decades occur.It is general select it is sensitive to dissolved oxygen glimmering
Luminescent material is as sensor film, by the fluorescence signal of the photodetector measurement quenching in circuit, to calculate oxyty.
Existing sensor is had the following problems with test device technology: dissolution oxygen detection is typically based on electric current survey
Determine method, in reliability, stability and the measuring speed and precision aspect used, there are still certain errors, and are carrying out
It is not easy to be replaced when connection, colleague is also possible to the result of the aeration that can be dissolved in liquid monitoring.
Utility model content
The purpose of this utility model is to provide a kind of optical dissolved oxygen sensor test devices, to solve above-mentioned background
The dissolution oxygen detection proposed in technology, is typically based on galvanometry, in the reliability, stability and measurement speed used
Degree and precision aspect, there are still certain errors, and are not easy to be replaced when being attached, and colleague is also possible to can be molten
The problem of solving the result of the aeration monitoring in liquid.
To achieve the above object, the utility model provides the following technical solutions: a kind of optical dissolved oxygen sensor test
Device, including water inlet pipe and cartridge filter, the right end of the water inlet pipe are internally provided with cartridge filter, and the water inlet pipe and cartridge filter are logical
Internal whorl rotation connection is crossed, the right end of the water inlet pipe is provided with connector, and the right end of the connector is provided with hood,
The inside left end of the hood is provided with inner cavity, and the inner cavity is internally provided with optical path chamber, on the inside of the optical path chamber
End is provided with bluish-green optical diode, and the lower end of the bluish-green optical diode is provided with convex lens, and the lower end of the convex lens is provided with red
Optical diode, the right end of the optical path chamber are provided with photoelectric conversion plate, and the photoelectric conversion plate is internally provided with optical path detection
Device, the outside right end of the hood are provided with form, and the left end of the form is provided with optical detector, the photoelectric conversion
Plate and power switch are electrically connected, and the optical path detector and power switch are electrically connected.
Preferably, the composition of the cartridge filter includes handle, baffle, filtering net cylinder and thread segment, the right side of the handle
Side lower end is provided with baffle, and the right side lower end of the baffle is provided with filtering net cylinder, the right side lower end setting of the filtering net cylinder
There is thread segment, the cartridge filter is fixedly connected by thread segment with water inlet pipe.
Preferably, the composition of the connector includes fixed block, fixture nut, reset spring and block, the fixation
The lower end of nut is provided with fixed block, is provided with reset spring at left and right sides of the lower end of the fixed block, the reset spring
Lower end is provided with block, and the connector is fixedly connected by fixture nut with hood.
Preferably, the composition of the optical detector includes introscope, inner wall, connecting plate, outer wall and observation panel, described
The lower end of connecting plate is provided with outer wall, and the outer wall is internally provided with inner wall, and the inner wall is internally provided with introscope, institute
The lower end for stating introscope is provided with observation panel, and the optical detector is fixedly connected by connecting plate with hood.
Preferably, the inside of the hood is additionally provided with temperature sensor, the internal temperature sensor of the hood
It is connect with the bottom of photoelectric conversion plate, the internal temperature sensor and power switch of the hood are electrically connected.
Preferably, the bluish-green optical diode and red diodes are separately positioned on the two sides up and down of optical path chamber, the indigo plant
The central axes of green diode and the angle of Window length bisector are ten degree, and the central axes of the red diodes and form are long
The angle for spending bisector is nine degree.
Preferably, the hood is the cuboid of inner hollow, and the junction of the hood is provided with form, described
The outer surface of form is provided with oxygen sensing film.
Preferably, the cartridge filter be internally provided with active carbon layer and the inside main composition composition of active carbon layer is
Active carbon, the shape of the active carbon layer of the inside of the cartridge filter is tabular fiber and surface smoothness have well it is good
The features such as adsorptivity.
Compared with prior art, the utility model provides a kind of optical dissolved oxygen sensor test device, have with
It is lower the utility model has the advantages that the utility model is by being provided with cartridge filter, can will be internal in this way when dissolved oxygen solution is when being measured
Bubble impurity etc. be filtered, bubble can be improved in this way and add up influence undesirable caused by measurement result, be arranged simultaneously
There are the bluish-green optical diode and red diodes of different angle, so as to pass through the phase of measurement excitation feux rouges and reference light
Difference can effectively reduce systematic error so as to calculate the concentration of oxygen molecule, have the characteristics that measurement is rapid and accurate,
Anti-dazzling screen is set by setting hood, in optical path cavity wall simultaneously, the influence of external stray light can be effectively reduced, improve and survey
Accuracy of measurement, it is ensured that have the precision of very high test in the service life of sensor.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention, in the accompanying drawings:
Fig. 1 be the utility model proposes optical dissolved oxygen sensor schematic structural diagram of testing device；
Fig. 2 be the utility model proposes cartridge structure schematic diagram；
Fig. 3 be the utility model proposes connecting-piece structure schematic diagram；
Fig. 4 be the utility model proposes optical detector structural schematic diagram；
In figure: 1, water inlet pipe；2, cartridge filter；21, handle；22, baffle；23, filtering net cylinder；24, thread segment；3, it connects
Part；31, fixed block；32, fixture nut；33, reset spring；34, block；4, bluish-green optical diode；5, convex lens；6, hood；
7, photoelectric conversion plate；8, optical detector；81, introscope；82, inner wall；83, connecting plate；84, outer wall；85, observation panel；9, it regards
Window；10, optical path detector；11, optical path chamber；12, inner cavity；13, red diodes.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of optical dissolved oxygen sensor test dress
It sets, including water inlet pipe 1 and cartridge filter 2, the right end of water inlet pipe 1 is internally provided with cartridge filter 2, water inlet pipe 1 and cartridge filter 2 in
The connection of portion's screw thread rotation, is rotated by internal whorl and is connected, so as to improve integrally-built stability, the right side of water inlet pipe 1
End is provided with connector 3, and the right end of connector 3 is provided with hood 6, and the inside left end of hood 6 is provided with inner cavity 12, inner cavity
12 are internally provided with optical path chamber 11, and the inner upper end of optical path chamber 11 is provided with bluish-green optical diode 4, bluish-green optical diode 4
Lower end is provided with convex lens 5, and the lower end of convex lens 5 is provided with red diodes 13, and the right end of optical path chamber 11 is provided with photoelectric conversion plate
7, photoelectric conversion plate 7 is internally provided with optical path detector 10, and the outside right end of hood 6 is provided with form 9, a left side for form 9
End is provided with optical detector 8, and photoelectric conversion plate 7 and power switch are electrically connected, and optical path detector 10 and power switch are electrical
Connection.
Further, the composition of cartridge filter 2 includes handle 21, baffle 22, filtering net cylinder 23 and thread segment 24, handle 21
Right side lower end is provided with baffle 22, and the right side lower end of baffle 22 is provided with filtering net cylinder 23, so that be filtered
Effect, the right side lower end of filtering net cylinder 23 are provided with thread segment 24, and cartridge filter 2 is fixedly connected by thread segment 24 with water inlet pipe 1.
Further, the composition of connector 3 includes fixed block 31, fixture nut 32, reset spring 33 and block 34, is fixed
The lower end of nut 32 is provided with fixed block 31, is provided with reset spring 33 at left and right sides of the lower end of fixed block 31, by resetting bullet
For spring 33 so that more close with the connection of hood 6, the lower end of reset spring 33 is provided with block 34, connector
3 are fixedly connected by fixture nut 32 with hood 6.
Further, the composition of optical detector 8 includes introscope 81, inner wall 82, connecting plate 83, outer wall 84 and observation panel
85, the lower end of connecting plate 83 is provided with outer wall 84, so as to can preferably be observed when being worked, the inside of outer wall 84
It is provided with inner wall 82, inner wall 82 is internally provided with introscope 81, and the lower end of introscope 81 is provided with observation panel 85, optical detection
Device 8 is fixedly connected by connecting plate 83 with hood 6.
Further, the inside of hood 6 is additionally provided with temperature sensor, whereby it can be detected that internal temperature, avoids
Temperature causes the inaccuracy of measurement, and the internal temperature sensor of hood 6 is connect with the bottom of photoelectric conversion plate 7, hood 6
Internal temperature sensor and power switch be electrically connected.
Further, bluish-green optical diode 4 and red diodes 13 are separately positioned on the two sides up and down of optical path chamber 11, so as to
Preferably to be compared from the color observed, the central axes of bluish-green optical diode 4 and the angle of 9 length bisector of form are
Ten degree, the central axes of red diodes 13 and the angle of 9 length bisector of form are nine degree.
Further, hood 6 is the cuboid of inner hollow, and the junction of hood 6 is provided with form 9, form 9 it is outer
Surface is provided with oxygen sensing film, so that will not be oxidized.
Further, the be internally provided with active carbon layer and the inside main composition composition of active carbon layer of cartridge filter 2 are work
Property charcoal, active carbon layer can dispel the bacterium in water source, thus have the function that disinfection, the active carbon layer of the inside of cartridge filter 2
Shape be that tabular fiber and surface smoothness have the characteristics that well good adsorptivity.
The working principle and process for using of the utility model: after the utility model installs, such machine is first checked for
Whether can work normally, check that the plug on electric wire is finished with whether socket connect, it, should be immediately if there is abnormal noise
Such machine is closed, the maintenance of professional is waited, sensor is placed in place to be measured, then by lysate to be measured
It is passed through from water inlet pipe 1, controls bluish-green optical diode 4 and issue blue green light, bluish-green optical diode 4 and red diodes 13 are distinguished
The two sides up and down of optical path chamber 11 are set, and so as to preferably be compared from the color observed, blue green light reaches form 9
Place, promotes oxygen sensing film to react with the dissolved oxygen in water environment, and issue red fluorescence, and red fluorescence passes through convex lens later
5 and optical path detector 10, it is transmitted to photoelectric conversion plate 7, and be converted into electric signal through photoelectric conversion plate 7, then electric signal transmission
To communication control unit, after communication process, it is transmitted to data terminal, cuts off bluish-green optical diode 4 later, controls feux rouges two
Pole pipe 13 issues feux rouges, and feux rouges is incident to optical path chamber 8 after the reflection of form 9, successively receives by optical path detector 10, by light
Electrotransformation plate 7 is converted into electric signal, and the electric signal transmission to communication control unit is transmitted to data after communication process
Terminal, data terminal are compared electric signal twice, and the water temperature and relevant calculation equation of combination temperature sensor offer, obtain
Dissolved oxygen mass concentration in water-outlet body.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of optical dissolved oxygen sensor test device, including water inlet pipe (1) and cartridge filter (2), it is characterised in that: described
The right end of water inlet pipe (1) is internally provided with cartridge filter (2), and the water inlet pipe (1) and cartridge filter (2) are rotated by internal whorl and connected
It connects, the right end of the water inlet pipe (1) is provided with connector (3), and the right end of the connector (3) is provided with hood (6), described
The inside left end of hood (6) is provided with inner cavity (12), and the inner cavity (12) is internally provided with optical path chamber (11), the optical path
The inner upper end of chamber (11) is provided with bluish-green optical diode (4), and the lower end of the bluish-green optical diode (4) is provided with convex lens (5),
The lower end of the convex lens (5) is provided with red diodes (13), and the right end of the optical path chamber (11) is provided with photoelectric conversion plate
(7), the photoelectric conversion plate (7) is internally provided with optical path detector (10), and the outside right end of the hood (6) is provided with
The left end of form (9), the form (9) is provided with optical detector (8), and the photoelectric conversion plate (7) and power switch are electrical
Connection, the optical path detector (10) and power switch are electrically connected.
2. a kind of optical dissolved oxygen sensor test device according to claim 1, it is characterised in that: the cartridge filter
(2) composition includes handle (21), baffle (22), filtering net cylinder (23) and thread segment (24), the right side of the handle (21)
Lower end is provided with baffle (22), and the right side lower end of the baffle (22) is provided with filtering net cylinder (23), the filtering net cylinder (23)
Right side lower end be provided with thread segment (24), the cartridge filter (2) is fixedly connected by thread segment (24) with water inlet pipe (1).
3. a kind of optical dissolved oxygen sensor test device according to claim 1, it is characterised in that: the connector
(3) composition includes fixed block (31), fixture nut (32), reset spring (33) and block (34), the fixture nut
(32) lower end is provided with fixed block (31), is provided with reset spring (33), institute at left and right sides of the lower end of the fixed block (31)
The lower end for stating reset spring (33) is provided with block (34), and the connector (3) is solid by fixture nut (32) and hood (6)
Fixed connection.
4. a kind of optical dissolved oxygen sensor test device according to claim 1, it is characterised in that: the optics is visited
The composition for surveying device (8) includes introscope (81), inner wall (82), connecting plate (83), outer wall (84) and observation panel (85), the company
The lower end of fishplate bar (83) is provided with outer wall (84), and the outer wall (84) is internally provided with inner wall (82), the inner wall (82)
It is internally provided with introscope (81), the lower end of the introscope (81) is provided with observation panel (85), and the optical detector (8) is logical
Connecting plate (83) is crossed to be fixedly connected with hood (6).
5. a kind of optical dissolved oxygen sensor test device according to claim 1, it is characterised in that: the hood
(6) inside is additionally provided with temperature sensor, the internal temperature sensor of the hood (6) and the bottom of photoelectric conversion plate (7)
Portion's connection, the internal temperature sensor and power switch of the hood (6) are electrically connected.
6. a kind of optical dissolved oxygen sensor test device according to claim 1, it is characterised in that: the blue green light
Diode (4) and red diodes (13) are separately positioned on the two sides up and down of optical path chamber (11), the bluish-green optical diode (4)
The angle of central axes and form (9) length bisector is ten degree, the central axes of the red diodes (13) and form (9) length
The angle of bisector is nine degree.
7. a kind of optical dissolved oxygen sensor test device according to claim 1, it is characterised in that: the hood
It (6) is the cuboid of inner hollow, the junction of the hood (6) is provided with form (9), the outer surface of the form (9)
It is provided with oxygen sensing film.
8. a kind of optical dissolved oxygen sensor test device according to claim 1, it is characterised in that: the cartridge filter
(2) be internally provided with active carbon layer and the inside main composition composition of active carbon layer is active carbon, the cartridge filter (2)
The shape of internal active carbon layer is tabular fiber and surface smoothness has the characteristics that well good adsorptivity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821241385.0U CN208969002U (en) | 2018-08-03 | 2018-08-03 | A kind of optical dissolved oxygen sensor test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821241385.0U CN208969002U (en) | 2018-08-03 | 2018-08-03 | A kind of optical dissolved oxygen sensor test device |
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| Publication Number | Publication Date |
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| CN208969002U true CN208969002U (en) | 2019-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821241385.0U Active CN208969002U (en) | 2018-08-03 | 2018-08-03 | A kind of optical dissolved oxygen sensor test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827927A (en) * | 2018-08-03 | 2018-11-16 | 江苏中农物联网科技有限公司 | A kind of optical dissolved oxygen sensor test device |
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2018
- 2018-08-03 CN CN201821241385.0U patent/CN208969002U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827927A (en) * | 2018-08-03 | 2018-11-16 | 江苏中农物联网科技有限公司 | A kind of optical dissolved oxygen sensor test device |
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