CN113358837A - Teaching type ocean current detection device - Google Patents
Teaching type ocean current detection device Download PDFInfo
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- CN113358837A CN113358837A CN202110524996.6A CN202110524996A CN113358837A CN 113358837 A CN113358837 A CN 113358837A CN 202110524996 A CN202110524996 A CN 202110524996A CN 113358837 A CN113358837 A CN 113358837A
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- 238000001514 detection method Methods 0.000 title claims abstract description 94
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 23
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical class Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 claims abstract description 15
- 230000008859 change Effects 0.000 claims abstract description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 32
- 230000005540 biological transmission Effects 0.000 claims description 23
- 238000003466 welding Methods 0.000 claims description 14
- 229920001971 elastomer Polymers 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 10
- 229920005989 resin Polymers 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 8
- 238000005485 electric heating Methods 0.000 claims description 7
- 239000003365 glass fiber Substances 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims description 3
- 239000000523 sample Substances 0.000 abstract description 22
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 7
- 239000001257 hydrogen Substances 0.000 abstract description 7
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 5
- 239000012488 sample solution Substances 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 239000013535 sea water Substances 0.000 description 14
- 230000033116 oxidation-reduction process Effects 0.000 description 11
- 230000007246 mechanism Effects 0.000 description 7
- 238000005303 weighing Methods 0.000 description 7
- 239000000843 powder Substances 0.000 description 5
- 230000002441 reversible effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000012855 volatile organic compound Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002468 redox effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/4166—Systems measuring a particular property of an electrolyte
- G01N27/4168—Oxidation-reduction potential, e.g. for chlorination of water
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/187—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for measuring instruments
Abstract
The invention discloses a teaching type ocean current detection device, relates to the technical field of ocean monitoring, and solves the problem that an existing device is not provided with a structure for detecting the macroscopic oxidation reducibility of an ocean current water sample solution. A teaching type ocean current detection device comprises a flange base; the top of the flange base is fixedly connected with a supporting rod; the top of the supporting rod is provided with a phase change shaft through coaxial connection; the outer ring of the phase change shaft is fixedly connected with a reciprocating screw rod; the right side of the reciprocating screw rod is fixedly connected with an arc-shaped handle through a bolt; in the invention, a platinum electrode is used as an indicating electrode, a saturated calomel electrode is used as a reference electrode, and the platinum electrode and a water sample form a primary battery. The redox potential of the platinum electrode relative to the saturated calomel electrode is measured by an electronic millivoltmeter, and then the redox potential of the platinum electrode relative to the standard hydrogen electrode is converted to serve as a report result, so that the macroscopic redox represented by all substances in the water solution can be reflected, the electrochemical characteristics of the water body can be known, and the properties of the water body can be analyzed.
Description
Technical Field
The invention relates to the technical field of ocean monitoring, in particular to a teaching type ocean current detection device.
Background
Ocean currents, i.e. ocean currents, also called ocean surface currents, refer to the regular horizontal flow of seawater along a certain direction with a relatively stable speed, are large-scale non-periodic motions from one sea area to another sea area horizontally or vertically, are the main motion forms of seawater, and can be divided into warm currents and cold currents according to the temperature of flowing seawater (the temperature of the ocean current and the temperature of surrounding seawater), wherein the warm currents are higher than the temperature of water flowing through the sea area, and the cold currents are lower than the temperature of water flowing through the sea area.
For example, patent No. CN105222987A discloses an ocean current detection device based on a real-time embedded GPS control system, and belongs to the technical field of intelligent control. The invention comprises a shell, a floating bin, a GPS emitter, a solar panel, an illumination sensor, a pressure sensor, a micro motor, a transmission gear, an air valve, a micro air compressor, an inflation tube, an air tube, an exhaust tube, a compressed air tank, a control bin, a singlechip module, a GPS module, an illumination detection circuit module, a temperature compensation circuit, an amplification circuit, a filter circuit, a battery and a standby battery. The device has the advantages of low cost, simple structure, strong adaptability, energy conservation and environmental protection, utilizes the singlechip module to finish the automatic control of floating and submerging the device, inflating the compressed gas tank and sending GPS signals at regular time, simultaneously utilizes solar energy to realize the sustainability of the operation of the device, not only solves the problem of energy consumption, but also does not need human intervention for recovery, and is matched with a satellite to realize automatic positioning, thereby detecting the moving direction of ocean current.
For another example, patent No. CN106908125A discloses a marine organism harmful substance detection weighing device, including the unloading mechanism and the weighing mechanism below the unloading mechanism that set up that are used for placing marine organism powder, unloading mechanism is including the storage funnel that is used for depositing marine organism powder, the quantitative material feeding unit of setting in storage funnel, the tray sets up in storage funnel's discharge gate below, and wherein, quantitative material feeding unit is quantitative with marine organism powder in the storage funnel from the discharge gate carry on the tray. According to the marine organism harmful substance detection weighing device, the quantitative powder can be conveyed to the weighing mechanism at one time through the arrangement of the quantitative feeding device in the blanking mechanism, and then the accurate weighing of the weight of the powder can be effectively realized through the feedback effect of the weighing mechanism, so that the weighing efficiency is greatly improved.
However, the existing device is not provided with a structure for detecting the macroscopic redox property of the ocean current water sample solution, is not beneficial to understanding the electrochemical characteristics of the sample water body and analyzing the properties of the water body, is not provided with a structure for reducing the redox potential detection error of the sample water body, is not provided with a structure capable of carrying out multiple detection, and is not provided with a structure convenient for detecting the content of volatile organic compounds in the seawater sample.
Therefore, the existing requirements are not met, and a teaching type ocean current detection device is provided for the requirements.
Disclosure of Invention
Problem (A)
The invention aims to provide a teaching type ocean current detection device, which solves the problems that the existing device proposed in the background technology is not provided with a structure for detecting the macroscopic oxidation-reduction property of an ocean current water sample solution, is not beneficial to understanding the electrochemical characteristics of a sample water body and analyzing the property of the water body, is not provided with a structure for reducing the oxidation-reduction potential detection error of the sample water body, is not provided with a structure capable of carrying out multiple detection, and is not provided with a structure convenient for detecting the content of volatile organic compounds in a seawater sample.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a teaching type ocean current detection device comprises a flange base; the top of the flange base is fixedly connected with a supporting rod; the top of the supporting rod is provided with a phase change shaft through coaxial connection; the outer ring of the phase change shaft is fixedly connected with a reciprocating screw rod; the right side of the reciprocating screw rod is fixedly connected with an arc-shaped handle through a bolt; the reciprocating screw rod part is provided with a ball nut seat through threaded connection; the front surface of the ball nut seat is fixedly connected with a descending box through a bolt; a transmission gear is fixedly connected to the right side inside the descending box; the side surface of the transmission gear is provided with a three-phase asynchronous motor through coaxial connection; the transmission gears are arranged into two groups in number; the transmission gears are vertically distributed; the left side inside the descending box is fixedly connected with a limiting wheel; the number of the limiting wheels is four; the limiting wheels are vertically distributed; the left side of the transmission gear is connected with a driven rack through a molded surface; the right side of the driven rack is meshed with the transmission gear, and the smooth surface on the left side of the driven rack is contacted with the curved side surface of the limiting wheel; the top of the driven rack is fixedly connected with a limiting cover plate through welding; the bottom of the driven rack is fixedly connected with a round rod; a round hole in the horizontal direction is fixedly connected to the curved side face at the bottom of the round rod; the bottom of the round rod is fixedly connected with a fixed seat through a bolt; the side surface of the fixed seat is provided with a fixed screw rod through sliding connection; the bottom of the fixed seat is fixedly connected with a fixed bracket through welding; the number of the fixed brackets is four.
Preferably, the bottom of the fixed support is fixedly connected with a resin top plate through a bolt; the edge of the top surface of the resin top plate is fixedly connected with a fixing hole through punching; the bottom of the resin top plate is fixedly connected with a detection cabin; the right side of the detection cabin is fixedly connected with a temperature sensor.
Preferably, a piston cylinder is fixedly connected to the left side inside the detection cabin; the left side of the piston cylinder is provided with a water inlet one-way valve A through threaded connection; the left side of the piston cylinder is fixedly connected with a top pipe through welding; the left side of the top pipe is provided with a water outlet one-way valve through threaded connection.
Preferably, the bottom of the piston cylinder is provided with a pH value sensor through threaded connection; a methane sensor is arranged on the right side of the pH value sensor; the right side face of the piston cylinder is fixedly connected with a sealing rubber ring.
Preferably, the bottom surface of the inner part of the detection cabin is fixedly connected with a main control panel through bolts; the main control board is coupled with the pH value sensor and the methane sensor through circuit connection; a memory card is arranged in the main control panel; the right side of the main control panel is connected with a storage battery through a lead; the top of the main control panel is fixedly connected with an electric push rod through a bolt; the tail end of the left telescopic part of the electric push rod is connected with a rubber head through interference fit.
Preferably, the bottom of the detection cabin is fixedly connected with a detection pipe through welding; the number of the detection tubes is set into two groups; the curved side of detection tube bottom passes through welded fastening and is connected with the extension pipe.
Preferably, the tail end of the left side of the extension pipe is fixedly connected with a glass fiber filter membrane through a bolt; the interior of the extension pipe is fixedly connected with a water inlet one-way valve B; the right side of the water inlet one-way valve B is provided with an electromagnetic valve through threaded connection; the right side of the electromagnetic valve is connected with a detection bottle through a pipeline; the right side of the bottom of the detection bottle is fixedly connected with a water outlet pipeline, and the tail end of the bottom of the water outlet pipeline is provided with a water outlet control valve through threaded connection.
Preferably, the left side inside the detection bottle is fixedly connected with a dissolved oxygen sensor; the dissolved oxygen sensor is in circuit coupling with the main control panel through a circuit; a platinum electrode is fixedly connected to the curved side surface inside the detection bottle; a saturated calomel electrode is fixedly connected to the side surface of the inner curve of the detection bottle; the right side of the platinum electrode is provided with an electronic millivoltmeter through circuit connection; the left side of the electronic millivoltmeter is connected with a saturated calomel electrode through a circuit.
Preferably, the left side of the detection bottle is fixedly connected with a temperature compensation circuit; the right side of the temperature compensation circuit is fixedly connected with a temperature sensor; the right side of the temperature compensation circuit is provided with an electric heating wire through circuit connection; the quantity of the electric heating wires is set into two groups; the electric heating wires are respectively positioned on the top surface and the bottom surface inside the detection bottle.
(III) advantageous effects
The invention provides a teaching type ocean current detection device, which is characterized in that a piston cylinder is arranged, after a detection cabin reaches a proper depth, an electric push rod telescopic part is controlled to shrink towards the right side through an electric signal of a main control panel, a seawater sample enters the piston cylinder through a water inlet check valve A, the pH value and the methane content in the sample are detected through a pH value sensor and a methane sensor on the inner wall of the piston cylinder, a rubber head is controlled to move towards the left side of the piston cylinder after detection is finished, the seawater sample is discharged out of the piston cylinder through a water outlet check valve, the pH value sensor and the methane sensor are rubbed by the side surface of a rubber head curve, sample residues are removed, the circulation is reciprocated, and multiple detections can be carried out; the content of volatile organic compounds in the seawater sample can be obtained by detecting the content of methane through the arrangement of the methane sensor.
Next, by inserting a platinum electrode into a reversible redox system, an electron millivoltmeter is provided to give electrons to the electrode, and the electrode becomes a half cell having a potential corresponding to the reduction capacity of the system. The potential measured by combining the system with a standard hydrogen electrode is the oxidation-reduction potential of the system, a platinum electrode is used as an indicating electrode, a saturated calomel electrode is used as a reference electrode, and the system and a water sample form a primary battery, the oxidation-reduction potential of the platinum electrode relative to the saturated calomel electrode is measured by using an electronic millivoltmeter, and then the oxidation-reduction potential relative to the standard hydrogen electrode is converted and formed as a report result, thereby being beneficial to knowing the electrochemical characteristics of a water body, reflecting the macroscopic oxidation-reduction performance of all substances in the water solution and analyzing the properties of the water body.
Moreover, temperature compensation circuit sets up, detects the interior water sample temperature of detection bottle through temperature sensor, through heating wire ohmic heating, can make and wait to detect the water and keep temperature balance, reduces the influence to water redox nature testing process temperature to the testing result, reduces detection error.
Drawings
FIG. 1 is a schematic side sectional view of an inspection chamber according to an embodiment of the present invention;
FIG. 2 is an enlarged partial view of A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is an enlarged partial view of B in FIG. 1 according to the present invention;
FIG. 4 is an enlarged partial view of section C in FIG. 1 according to the present invention;
FIG. 5 is a schematic perspective view of an inspection chamber according to an embodiment of the present invention;
FIG. 6 is a schematic perspective view of a piston cylinder in an embodiment of the invention;
FIG. 7 is a schematic front view of a reciprocating screw according to an embodiment of the present invention;
FIG. 8 is a schematic perspective view of a drop box according to an embodiment of the present invention;
FIG. 9 is a schematic top sectional view of a drop box according to an embodiment of the present invention;
FIG. 10 is a schematic side sectional view of a drop box according to an embodiment of the present invention;
FIG. 11 is a schematic perspective view of a fixing base according to an embodiment of the present invention;
FIG. 12 is a schematic side sectional view of a fixing base according to an embodiment of the present invention;
in fig. 1 to 12, the correspondence between the part names or lines and the reference numbers is:
1. a flange base; 101. a support bar; 102. a phase change shaft; 103. a reciprocating screw; 104. an arc-shaped grip; 105. a ball nut seat; 2. a drop box; 201. a transmission gear; 202. a limiting wheel; 3. a driven rack; 301. a limiting cover plate; 302. a round bar; 4. a fixed seat; 401. fixing the screw rod; 402. fixing a bracket; 5. a resin top plate; 501. a fixing hole; 502. a detection cabin; 503. a piston cylinder; 504. a water inlet one-way valve A; 505. a top tube; 506. a water outlet one-way valve; 507. a pH value sensor; 508. a methane sensor; 509. sealing the rubber ring; 6. a main control panel; 7. an electric push rod; 701. a rubber head; 8. a storage battery; 9. a detection tube; 901. an extension pipe; 902. a glass fiber filter membrane; 903. a water inlet one-way valve B; 904. an electromagnetic valve; 905. detecting the bottle; 906. a water outlet control valve; 907. a dissolved oxygen sensor; 908. a platinum electrode; 909. a saturated calomel electrode; 9010. an electronic millivoltmeter; 9011. a temperature compensation circuit; 9012. a temperature sensor; 9013. an electric heating wire; 10. a pressure sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 12, an embodiment of the present invention includes: a teaching type ocean current detection device comprises a flange base 1; the top of the flange base 1 is fixedly connected with a supporting rod 101; the top of the support rod 101 is provided with a phase change shaft 102 through coaxial connection; the outer ring of the phase change shaft 102 is fixedly connected with a reciprocating screw rod 103; the right side of the reciprocating screw 103 is fixedly connected with an arc-shaped grip 104 through a bolt; the reciprocating screw 103 is provided with a ball nut seat 105 through screw thread connection; the front surface of the ball nut seat 105 is fixedly connected with a descending box 2 through bolts; a transmission gear 201 is fixedly connected to the right side inside the descending box 2; the side surface of the transmission gear 201 is provided with a three-phase asynchronous motor through coaxial connection; the transmission gears 201 are arranged in two groups; the transmission gears 201 are vertically distributed; a limiting wheel 202 is fixedly connected to the left side inside the descending box 2; the limiting wheels 202 are arranged in four groups; the limiting wheels 202 are vertically distributed; the left side of the transmission gear 201 is connected with a driven rack 3 through a molded surface; the right side of the driven rack 3 is meshed with the transmission gear 201, and the smooth surface on the left side of the driven rack is contacted with the curved side surface of the limiting wheel 202; the top of the driven rack 3 is fixedly connected with a limiting cover plate 301 through welding; the bottom of the driven rack 3 is fixedly connected with a round rod 302; a horizontal round hole is fixedly connected to the curved side surface at the bottom of the round rod 302; the bottom of the round rod 302 is fixedly connected with a fixed seat 4 through a bolt; the side surface of the fixed seat 4 is provided with a fixed screw 401 through sliding connection; the bottom of the fixed seat 4 is fixedly connected with a fixed bracket 402 through welding; the fixed brackets 402 are provided in four groups in number; the bottom of the fixed bracket 402 is fixedly connected with a resin top plate 5 through bolts; the edge of the top surface of the resin top plate 5 is fixedly connected with a fixing hole 501 through punching; the bottom of the resin top plate 5 is fixedly connected with a detection cabin 502; the pressure sensor 10 is fixedly connected to the right side of the detection cabin 502; a piston cylinder 503 is fixedly connected to the left side inside the detection cabin 502; the left side of the piston cylinder 503 is provided with a water inlet check valve A504 through thread connection; the left side of the piston cylinder 503 is fixedly connected with a top pipe 505 through welding; the left side of the top pipe 505 is provided with a water outlet one-way valve 506 through threaded connection; the bottom of the piston cylinder 503 is provided with a pH value sensor 507 through thread connection; a methane sensor 508 is arranged on the right side of the pH value sensor 507; the right side surface of the piston cylinder 503 is fixedly connected with a sealing rubber ring 509; the bottom surface inside the detection cabin 502 is fixedly connected with the main control panel 6 through bolts; the main control board 6 is coupled with the pH value sensor 507 and the methane sensor 508 through circuit connection; a memory card is arranged in the main control panel 6; the right side of the main control board 6 is connected with a storage battery 8 through a lead; the top of the main control plate 6 is fixedly connected with an electric push rod 7 through a bolt; the tail end of the left telescopic part of the electric push rod 7 is provided with a rubber head 701 in an interference fit connection mode; the bottom of the detection cabin 502 is fixedly connected with a detection pipe 9 through welding; the number of the detection tubes 9 is set as two groups; the curved side surface at the bottom of the detection tube 9 is fixedly connected with an extension tube 901 through welding; the left end of the extension tube 901 is fixedly connected with a glass fiber filter membrane 902 through a bolt; a water inlet one-way valve B903 is fixedly connected inside the extension pipe 901; the right side of the water inlet one-way valve B903 is provided with an electromagnetic valve 904 through threaded connection; the right side of the electromagnetic valve 904 is provided with a detection bottle 905 through a pipeline; the right side of the bottom of the detection bottle 905 is fixedly connected with a water outlet pipeline, and the tail end of the bottom of the water outlet pipeline is provided with a water outlet control valve 906 in threaded connection.
The pH value sensor 507 (model: MIK-PH8.0), the methane sensor 508 (model: KG9001C), the dissolved oxygen sensor 907 (model: OOS61), the temperature sensor 9012 (model: SHT71) mentioned in the invention can be obtained through private customization or market purchase.
Wherein, the left side inside the detection bottle 905 is fixedly connected with a dissolved oxygen sensor 907; the dissolved oxygen sensor 907 forms a circuit coupling with the main control board 6 through a circuit; a platinum electrode 908 is fixedly connected to the curved side surface inside the detection bottle 905; a saturated calomel electrode 909 is fixedly connected with the curved side surface inside the detection bottle 905; the right side of the platinum electrode 908 is provided with an electronic millivoltmeter 9010 through circuit connection; the left side of an electronic millivoltmeter 9010 is connected with a saturated calomel electrode 909 through a circuit, after the detection cabin 502 reaches a preset water level, the electromagnetic valve 904 is controlled through an electric signal by a main control panel 6, after the electromagnetic valve 904 is opened, seawater containing water-soluble organic matters filtered by a glass fiber filter membrane 902 flows into a water inlet pipeline, water flows into a detection bottle 905 through the water inlet pipeline, air is discharged through a water outlet control valve 906 after the water level in the detection bottle 905 rises, a platinum electrode 908 is controlled by the main control panel 6, and the platinum electrode 908 is inserted into a reversible redox system, so that electrons are given to the electrode and become a half cell with a potential corresponding to the reduction capacity of the system. The potential measured after the electrochemical sensor is combined with a standard hydrogen electrode is redox potential, a platinum electrode 908 is used as an indicating electrode, a saturated calomel electrode 909 is used as a reference electrode, and the electrochemical sensor and a water sample form a primary battery, the redox potential of the platinum electrode 908 relative to the saturated calomel electrode 909 is measured by an electronic millivoltmeter 9010, and then the redox potential relative to the standard hydrogen electrode is converted to be used as a report result, so that the macroscopic redox performance of all substances in the water solution can be reflected, the electrochemical characteristics of the water body can be known, and the properties of the water body can be analyzed.
Wherein, the left side of the detection bottle 905 is fixedly connected with a temperature compensation circuit 9011; a temperature sensor 9012 is fixedly connected to the right side of the temperature compensation circuit 9011; the right side of the temperature compensation circuit 9011 is provided with an electric heating wire 9013 through circuit connection; two groups of heating wires 9013 are arranged; the heating wire 9013 is located the inside top surface of detection bottle 905 and bottom surface respectively, and temperature compensation circuit 9011 sets up, detects the interior water sample temperature of detection bottle 905 through temperature sensor 9012, through heating of heating wire 9013 circular telegram, can make the water body that detects keep temperature balance, reduces the influence to the detection result of temperature in the water redox nature testing process, reduces and detects the error.
The working principle is as follows:
the flange base 1 is horizontally placed on a detection ship deck, a support rod 101 is perpendicular to the deck, an arc-shaped handle 104 is held to adjust the angle through a phase change shaft 102, a reciprocating screw 103 extends out of the ship board, the reciprocating screw 103 is started, a ball nut seat 105 drives a descending box 2 to move in the horizontal direction, a transmission gear 201 is driven to rotate through a three-phase asynchronous motor, the transmission gear 201 drives a driven rack 3 meshed with the transmission gear to move, the driven rack 3 realizes vertical movement through a limiting wheel 202 on the left side of the driven rack 3, the limit cover plate 301 welded on the top of the driven rack 3 prevents the rack from being improperly operated and being separated from the descending box 2, a round rod 302 and a fixing seat 4 are inserted through a fixing screw 401 to fix the two parts, the driven rack 3 is firmly fixed with a detection cabin 502 through a fixing support 402, the descending length of the driven rack 3 is observed to obtain the descending depth of a detection part, when the seawater reaches a proper depth, the electric signal of the main control panel 6 controls the telescopic part of the electric push rod 7 to contract towards the right side, so that a seawater sample enters the piston cylinder 503 through the water inlet check valve A504, the pH value and the methane content in the sample are detected through the pH value sensor 507 and the methane sensor 508 on the inner wall of the piston cylinder 503, the rubber head 701 is controlled to move towards the left side of the piston cylinder 503 after the detection is finished, the seawater sample is discharged out of the piston cylinder 503 through the water outlet check valve 506, the pH value sensor 507 and the methane sensor 508 are rubbed by the curved side surface of the rubber head 701 to remove the sample residue, the electromagnetic valve 904 is started through the electric signal of the main control panel 6, after the electromagnetic valve 904 is started, the seawater containing water-soluble organic matters filtered by the glass fiber filter membrane 902 flows into the water inlet pipeline, the water flows into the detection bottle 905 through the water inlet pipeline, and the air is discharged through the water outlet control valve 906 after the water level in the detection bottle 905 rises, by controlling the platinum electrode 908 by the main control board 6 and inserting the platinum electrode 908 into the reversible redox system, electrons are given to the electrode and a potential corresponding to the reduction capacity of the system becomes a half cell. The potential measured after the detection device is combined with a standard hydrogen electrode is an oxidation-reduction potential, a platinum electrode 908 is used as an indicating electrode, a saturated calomel electrode 909 is used as a reference electrode, a primary battery is formed by the platinum electrode and the water sample, the oxidation-reduction potential of the platinum electrode 908 relative to the saturated calomel electrode 909 is measured by an electronic millivoltmeter 9010, then the oxidation-reduction potential relative to the standard hydrogen electrode is converted to be used as a report result, the temperature of a water sample in a detection bottle 905 is detected by a temperature sensor 9012, the water body to be detected can keep temperature balance by electrifying and heating a heating wire 9013, the influence of the temperature on the detection result in the oxidation-reduction detection process of the water body is reduced, the detection error is reduced, after another submerged point is reached, another group of detection pipes 9 is started for oxidation-reduction potential detection, after the detection is finished, a driven rack 3 is driven to rise by the reverse rotation of a three-phase asynchronous motor, and a fixed screw 401 is dismounted, the detection cabin 502 is taken out, the memory card in the main control panel 6 is taken out to read experimental data, the water outlet control valve 906 is opened, samples in the detection tube 9 are stored so as to be convenient for further detection, and the rest samples can be used for detection teaching.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a teaching type ocean current detection device which characterized in that: comprises a flange base (1); the top of the flange base (1) is fixedly connected with a support rod (101); the top of the supporting rod (101) is provided with a phase change shaft (102) through coaxial connection; the outer ring of the phase change shaft (102) is fixedly connected with a reciprocating screw rod (103); the right side of the reciprocating screw rod (103) is fixedly connected with an arc-shaped grip (104) through a bolt; the screw rod part of the reciprocating screw rod (103) is provided with a ball nut seat (105) through threaded connection; the front surface of the ball nut seat (105) is fixedly connected with a descending box (2) through bolts; a transmission gear (201) is fixedly connected to the right side in the descending box (2); the side surface of the transmission gear (201) is provided with a three-phase asynchronous motor through coaxial connection; the transmission gears (201) are arranged in two groups in number; the transmission gears (201) are vertically distributed; a limiting wheel (202) is fixedly connected to the left side inside the descending box (2); the number of the limiting wheels (202) is four; the limiting wheels (202) are vertically distributed; the left side of the transmission gear (201) is provided with a driven rack (3) through a profile connection; the right side of the driven rack (3) is meshed with the transmission gear (201), and the left smooth surface of the driven rack is contacted with the curved side surface of the limiting wheel (202); the top of the driven rack (3) is fixedly connected with a limiting cover plate (301) through welding; the bottom of the driven rack (3) is fixedly connected with a round rod (302); a horizontal round hole is fixedly connected to the curved side surface of the bottom of the round rod (302); the bottom of the round rod (302) is fixedly connected with a fixed seat (4) through a bolt; the side surface of the fixed seat (4) is provided with a fixed screw (401) through sliding connection; the bottom of the fixed seat (4) is fixedly connected with a fixed bracket (402) through welding; the number of the fixed brackets (402) is four.
2. The educational ocean current testing device of claim 1, wherein: the bottom of the fixed support (402) is fixedly connected with a resin top plate (5) through a bolt; the edge of the top surface of the resin top plate (5) is fixedly connected with a fixing hole (501) through punching; the bottom of the resin top plate (5) is fixedly connected with a detection cabin (502); the right side of the detection cabin (502) is fixedly connected with a pressure sensor (10).
3. An educational ocean current testing device according to claim 2, wherein: a piston cylinder (503) is fixedly connected to the left side inside the detection cabin (502); the left side of the piston cylinder (503) is provided with a water inlet check valve A (504) through thread connection; the left side of the piston cylinder (503) is fixedly connected with a top pipe (505) through welding; the left side of the top pipe (505) is provided with a water outlet one-way valve (506) through threaded connection.
4. An educational ocean current testing device according to claim 3, wherein: the bottom of the piston cylinder (503) is provided with a pH value sensor (507) through threaded connection; a methane sensor (508) is arranged on the right side of the pH value sensor (507); the right side surface of the piston cylinder (503) is fixedly connected with a sealing rubber ring (509).
5. An educational ocean current testing device according to claim 2, wherein: the bottom surface of the interior of the detection cabin (502) is fixedly connected with a main control panel (6) through bolts; the main control board (6) is connected with the pH value sensor (507) and the methane sensor (508) through a circuit to form coupling; a memory card is arranged in the main control board (6); the right side of the main control board (6) is connected with a storage battery (8) through a lead; the top of the main control plate (6) is fixedly connected with an electric push rod (7) through a bolt; the tail end of the left telescopic part of the electric push rod (7) is provided with a rubber head (701) in an interference fit connection mode.
6. An educational ocean current testing device according to claim 2, wherein: the bottom of the detection cabin (502) is fixedly connected with a detection pipe (9) through welding; the number of the detection tubes (9) is set to two groups; the curved side surface of the bottom of the detection tube (9) is fixedly connected with an extension tube (901) through welding.
7. An educational ocean current testing device according to claim 6, wherein: the tail end of the left side of the extension pipe (901) is fixedly connected with a glass fiber filter membrane (902) through a bolt; a water inlet one-way valve B (903) is fixedly connected inside the extension pipe (901); the right side of the water inlet one-way valve B (903) is provided with an electromagnetic valve (904) through thread connection; a detection bottle (905) is connected to the right side of the electromagnetic valve (904) through a pipeline; the right side of the bottom of the detection bottle (905) is fixedly connected with a water outlet pipeline, and the tail end of the bottom of the water outlet pipeline is provided with a water outlet control valve (906) in threaded connection.
8. An educational ocean current testing device according to claim 7, wherein: a dissolved oxygen sensor (907) is fixedly connected to the left side inside the detection bottle (905); the dissolved oxygen sensor (907) is in circuit coupling with the main control board (6) through a circuit; a platinum electrode (908) is fixedly connected to the curved side surface in the detection bottle (905); a saturated calomel electrode (909) is fixedly connected with the curved side surface in the detection bottle (905); the right side of the platinum electrode (908) is provided with an electronic millivoltmeter (9010) through a circuit; the left side of the electronic millivoltmeter (9010) is connected with a saturated calomel electrode (909) through a circuit.
9. An educational ocean current testing device according to claim 7, wherein: the left side of the detection bottle (905) is fixedly connected with a temperature compensation circuit (9011); the right side of the temperature compensation circuit (9011) is fixedly connected with a temperature sensor (9012); the right side of the temperature compensation circuit (9011) is provided with an electric heating wire (9013) through circuit connection; the number of the electric heating wires (9013) is two; the heating wires (9013) are respectively positioned on the top surface and the bottom surface inside the detection bottle (905).
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| CN202110524996.6A CN113358837A (en) | 2021-05-14 | 2021-05-14 | Teaching type ocean current detection device |
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| CN202110524996.6A CN113358837A (en) | 2021-05-14 | 2021-05-14 | Teaching type ocean current detection device |
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