CN117949516A - Water body detection device - Google Patents
Water body detection device Download PDFInfo
- Publication number
- CN117949516A CN117949516A CN202410333138.7A CN202410333138A CN117949516A CN 117949516 A CN117949516 A CN 117949516A CN 202410333138 A CN202410333138 A CN 202410333138A CN 117949516 A CN117949516 A CN 117949516A
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- CN
- China
- Prior art keywords
- conductor
- moving
- insulator
- moving part
- water body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 239000004020 conductor Substances 0.000 claims abstract description 62
- 239000012212 insulator Substances 0.000 claims abstract description 35
- 239000013078 crystal Substances 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims description 6
- 230000008602 contraction Effects 0.000 claims description 5
- 239000003831 antifriction material Substances 0.000 claims description 4
- 229910010293 ceramic material Inorganic materials 0.000 claims description 4
- 238000002604 ultrasonography Methods 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- 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
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
- G01N27/38—Cleaning of electrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
- B08B7/026—Using sound waves
- B08B7/028—Using ultrasounds
-
- 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
- G01N33/1806—Biological oxygen demand [BOD] or chemical oxygen demand [COD]
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Emergency Medicine (AREA)
- Biomedical Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The invention provides a water body detection device, and relates to the technical field of water body detection. Comprises a detection bottle and an electrode; the electrode penetrates into the detection bottle, the electrode is of a shell-shaped structure with one end open, a vibrator is placed in the electrode, the vibrator comprises a piezoelectric crystal, the piezoelectric crystal is connected with an external power supply through a wire, an on-off switch is connected to the wire, the on-off switch comprises a moving part and a connecting part, the moving part is connected with a moving motor, the moving motor is used for controlling the moving part to move, a conductor and an insulator are arranged on the moving part, the connecting part is abutted to the moving part, and the moving motor is used for controlling the moving part to move so that the connecting part is continuously contacted with the conductor and the insulator alternately; the connection member is constantly in alternating contact with the conductor and the insulator to cause the piezoelectric crystal to generate ultrasonic waves. The invention can clean stains on the electrode.
Description
Technical Field
The invention relates to the technical field of water body detection, in particular to a water body detection device.
Background
In order to prevent water pollution, water quality chemical oxygen demand (Chemical Oxygen Demand, COD for short) detection is required.
In the related art, when COD detection is performed, a water sample is firstly introduced into a detection bottle, a detection agent is injected into the bottle, and then the COD of a water body is detected through an electrode electrifying reaction inserted into the bottle. However, after the reaction is completed, stubborn stains adhere to the electrode, and the electrode is difficult to clean.
Therefore, there is an urgent need for a water body detection apparatus capable of cleaning stains on an electrode.
Disclosure of Invention
The invention provides a water body detection device which can clean stains on an electrode. The technical scheme adopted by the invention is as follows:
A water body detection device comprises a detection bottle and an electrode;
The electrode penetrates into the detection bottle, the electrode is of a shell-shaped structure with one end open, a vibrator is placed in the electrode, the vibrator comprises a piezoelectric crystal, the piezoelectric crystal is connected with an external power supply through a wire, an on-off switch is connected to the wire and comprises a moving part and a connecting part, the moving part is connected with a moving motor, the moving motor is used for controlling the moving part to move, a conductor and an insulator are arranged on the moving part, the connecting part is abutted to the moving part, and the moving motor is used for controlling the moving part to move so that the connecting part is continuously contacted with the conductor and the insulator alternately;
When the connecting piece is contacted with the conductor, the lead is electrified, and the piezoelectric crystal receives voltage expansion of the external power supply; when the connecting piece is contacted with the insulator, the lead is powered off, and the piezoelectric crystal loses the voltage contraction of the external power supply; the connection member is continuously in alternating contact with the conductor and the insulator so that the piezoelectric crystal generates ultrasonic waves.
Optionally, the moving part is circular, the motor control that moves the moving part is rotatory, the one end of connecting piece with the circular surface butt of moving part, the circular surface interval of moving part sets up the conductor with the insulator, the conductor with the wire is connected.
Optionally, the conductor is a ring conductor, the insulator comprises a layered insulating layer, the ring conductor is embedded in the moving part, the ring conductor is connected with the wire, and the insulating layer is attached to the ring conductor at intervals.
Optionally, the conductor is an annular conductor, the annular conductor is embedded into the moving part, the annular conductor is connected with the conducting wire, recesses are distributed on the annular conductor at intervals, insulating blocks are embedded into the recesses, and the thickness of the insulating blocks is consistent with the depth of the recesses.
Optionally, one end of the connecting piece, which is abutted with the moving piece, is connected with a conductive pulley.
Optionally, the conductive pulley is made of a material including an antifriction material.
Optionally, the on-off switch further comprises a fixing frame, and the connecting piece and the moving piece are fixedly connected to the fixing frame; the connecting piece is connected with the fixing frame through a spring, and the spring is in a compressed state so as to provide elasticity to enable the connecting piece to be abutted with the moving piece.
Optionally, the insulator is made of a material including a ceramic material.
Compared with the prior art, the invention has at least the following beneficial effects:
Through setting up the shell-like structure that the electrode is one end open-ended, place the electromagnetic shaker in the electrode, the electromagnetic shaker includes piezoelectricity crystal, and piezoelectricity crystal passes through the wire and is connected with external power source, connects on the wire on the on-off switch, realizes the circular telegram and the outage of on-off control wire through the on-off switch. Further, the on-off switch comprises a moving part and a connecting part, the moving part is connected with a moving motor, a conductor and an insulator are arranged on the moving part, the moving part is controlled to move through the moving motor, so that the connecting part is continuously in alternating contact with the conductor and the insulator, when the connecting part is in contact with the conductor, the lead is electrified, and the piezoelectric crystal receives voltage expansion of an external power supply; when the connecting piece contacts with the insulator, the lead is powered off, the piezoelectric crystal loses the voltage contraction of an external power supply, so that when the motion motor controls the motion piece to move at high frequency, the lead can be switched to a power-on state at high frequency, the piezoelectric crystal is further expanded and contracted at high frequency to generate ultrasonic waves, the ultrasonic waves are transmitted to the electrode through a liquid medium or an air medium, stubborn stains on the electrode are crushed, the stubborn stains are enabled to fall off, and the electrode is cleaned. Therefore, the water body detection device provided by the invention can clean stains on the electrode.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a water body detection device according to an embodiment of the present invention.
In the figure:
1-detecting a bottle;
2-electrodes;
3-piezoelectric crystals;
4-conducting wires;
5-an external power source;
6-a moving part;
7-connecting piece;
8-a motion motor;
9-conductors;
10-an insulator;
11-conductive pulleys;
12-fixing frame;
13-spring.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present invention are within the scope of protection of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a water body detection device, including a detection bottle 1 and an electrode 2;
The electrode 2 penetrates into the detection bottle 1, the electrode 2 is of a shell-shaped structure with an opening at one end, a vibrator is arranged in the electrode 2, the vibrator comprises a piezoelectric crystal 3, the piezoelectric crystal 3 is connected with an external power supply 5 through a lead 4, the lead 4 is connected with an on-off switch, the on-off switch comprises a moving part 6 and a connecting piece 7, the moving part 6 is connected with a moving motor 8, the moving motor 8 is used for controlling the moving part 6 to move, a conductor 9 and an insulator 10 are arranged on the moving part 6, the connecting piece 7 is abutted with the moving part 6, and the moving motor 8 controls the moving part 6 to move so that the connecting piece 7 is continuously contacted with the conductor 9 and the insulator 10 alternately;
when the connector 7 is in contact with the conductor 9, the wire 4 is energized, and the piezoelectric crystal 3 receives the expansion of the voltage of the external power supply 5; when the connector 7 is in contact with the insulator 10, the wire 4 is powered off and the piezoelectric crystal 3 loses the voltage contraction of the external power supply 5; the connection member 7 is constantly in alternating contact with the conductor 9 and the insulator 10 so that the piezoelectric crystal 3 generates ultrasonic waves.
In the embodiment of the invention, the electrode 2 is in a shell-shaped structure so that a vibrator can be placed in the electrode, the vibrator comprises a piezoelectric crystal 3, the piezoelectric crystal 3 is connected with an external power supply 5 through a lead 4, and an on-off switch is connected to the lead 4. The on-off of the on-off switch can control the power on and off of the lead 4. The on-off switch comprises two parts, namely a moving part 6 and a connecting part 7. The moving part 6 is connected with a moving motor 8, and the moving motor 8 can be connected with a power supply or can be internally provided with a battery. The moving member 6 is provided with a conductor 9 and an insulator 10, and the moving member 6 is controlled to move by the moving motor 8 so that the connecting member 7 is continuously and alternately contacted with the conductor 9 and the insulator 10. When the connector 7 is in contact with the conductor 9, the wire 4 is energized, and the piezoelectric crystal 3 receives the expansion of the voltage of the external power supply 5; when the connection 7 and the insulator 10 are in contact, the wire 4 is disconnected and the piezoelectric crystal 3 loses the voltage contraction of the external power source 5. When the motion motor 8 controls the motion piece 6 to move at high frequency, the conducting wire 4 can be switched between the electrified state and the powered-off state at high frequency, so that the piezoelectric crystal 3 expands and contracts at high frequency, ultrasonic waves are generated, the ultrasonic waves are transmitted to the electrode 2 through a liquid medium or an air medium, stubborn stains on the electrode 2 are broken, the stubborn stains are made to fall off, and finally the electrode 2 is cleaned.
It should be noted that, the on-off switch may be turned on during the operation of the electrode 2 to generate ultrasonic impact to the electrode 2, so that particulate impurities are difficult to adhere and grow on the vibrating electrode 2, and thus stains may be killed in the germination stage.
In some embodiments of the present invention, the moving member 6 is circular, the moving motor 8 controls the moving member 6 to rotate, one end of the connecting member 7 abuts against a circular surface of the moving member 6, the circular surface of the moving member 6 is provided with a conductor 9 and an insulator 10 at intervals, and the conductor 9 is connected with the wire 4. Wherein the conductors 9 and insulators 10 arranged at intervals are arranged in a circular shape.
It can be understood that the moving member 6 may be cylindrical or have other planar shapes, but when the moving member 6 is circular, the circular moving member 6 moves along the center of the circle, and the occupied space is unchanged during movement, so that the design of the whole device is more compact and stable. In addition, the contact between the circular moving part 6 and the connecting part 7 is always on the circular surface, so that the contact is ensured to be more stable.
The more conductors 9 and insulators 10 are arranged at intervals on the circular moving member 6, the higher the frequency of switching on/off of the moving member 6 by one rotation.
In some embodiments of the present invention, the conductor 9 is a ring conductor, the insulator 10 includes a layered insulating layer, the ring conductor is embedded in the moving member 6, the ring conductor is connected to the wire 4, and the insulating layer is attached to the ring conductor at intervals. In the embodiment of the invention, the annular conductor is a whole body, and the whole body is conductive. In contrast to the alternative arrangement of a plurality of conductors 9 and a plurality of insulators 10 spaced apart from each other, the annular conductors need only be partially connected to the wires 4, without each conductor 9 being connected to the wires 4.
In some embodiments of the present invention, the annular conductor is embedded in the moving member 6, the annular conductor is connected with the conducting wire 4, the annular conductor is provided with recesses at intervals, insulating blocks are embedded in the recesses, and the thickness of the insulating blocks is consistent with the depth of the recesses. In the embodiment of the invention, in order to facilitate the contact of the connecting piece 7 at any time in the process of rotating the moving piece 6, the contact is kept smooth, a recess is arranged, and an insulating block is arranged in the recess, so that the surface of the moving piece 6 is a plane.
In some embodiments of the present invention, the end of the connecting member 7 abutting against the moving member 6 is connected with a conductive pulley 11. In the embodiment of the present invention, by providing the conductive pulley 11, the friction force can be reduced, facilitating the high-speed movement of the moving member 6.
In some embodiments of the invention, the conductive pulley 11 is made of a material that includes an antifriction material. The conductive pulley 11 made of the antifriction material can further reduce the friction between the moving element 6 and the connecting element 7.
In some embodiments of the invention, the on-off switch further comprises a fixing frame 12, and the connecting piece 7 and the moving piece 6 are fixedly connected to the fixing frame 12; wherein, the connecting piece 7 is connected with the fixed frame 12 through the spring 13, and the spring 13 is in a compressed state to provide elasticity to enable the connecting piece 7 to be abutted with the moving piece 6. By providing the spring 13, abutment of the link 7 with the mover 6 can be ensured.
In some embodiments of the present invention, the insulator 10 is made of a material including a ceramic material. The insulator 10 made of ceramic material can reduce friction.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The water body detection device is characterized by comprising a detection bottle (1) and an electrode (2);
The electrode (2) penetrates into the detection bottle (1), the electrode (2) is of a shell-shaped structure with one end open, a vibrator is arranged in the electrode (2), the vibrator comprises a piezoelectric crystal (3), the piezoelectric crystal (3) is connected with an external power supply (5) through a lead (4), the lead (4) is connected with an on-off switch, the on-off switch comprises a moving part (6) and a connecting piece (7), the moving part (6) is connected with a moving motor (8), the moving motor (8) is used for controlling the moving part (6) to move, a conductor (9) and an insulator (10) are arranged on the moving part (6), the connecting piece (7) is abutted to the moving part (6), and the moving motor (8) controls the moving part (6) to move so that the connecting piece (7) is continuously contacted with the conductor (9) and the insulator (10) alternately;
When the connection (7) and the conductor (9) are in contact, the wire (4) is energized, and the piezoelectric crystal (3) receives the expansion of the voltage of the external power supply (5); -when the connection (7) is in contact with the insulator (10), the wire (4) is de-energized and the piezoelectric crystal (3) loses the voltage contraction of the external power source (5); the connection (7) is constantly in alternating contact with the conductor (9) and the insulator (10) so that the piezoelectric crystal (3) generates ultrasound.
2. The water body detection device according to claim 1, wherein the moving member (6) is circular, the moving motor (8) controls the moving member (6) to rotate, one end of the connecting member (7) is abutted to the circular surface of the moving member (6), the conductor (9) and the insulator (10) are arranged on the circular surface of the moving member (6) at intervals, and the conductor (9) is connected with the conducting wire (4).
3. A water body detection device according to claim 2, characterized in that the conductor (9) is an annular conductor, the insulator (10) comprises a layered insulating layer, the annular conductor is embedded in the moving part (6), the annular conductor is connected with the wire (4), and the insulating layer is attached to the annular conductor at intervals.
4. The water body detection device according to claim 2, wherein the conductor (9) is an annular conductor, the annular conductor is embedded into the moving part (6), the annular conductor is connected with the conducting wire (4), recesses are distributed on the annular conductor at intervals, insulating blocks are embedded into the recesses, and the thickness of the insulating blocks is consistent with the depth of the recesses.
5. The water body detection device according to claim 1, wherein one end of the connecting piece (7) abutting against the moving piece (6) is connected with a conductive pulley (11).
6. A water body detection device according to claim 5, characterized in that the material of which the conductive pulley (11) is made comprises antifriction material.
7. The water body detection device according to claim 1, wherein the on-off switch further comprises a fixing frame (12), and the connecting piece (7) and the moving piece (6) are fixedly connected to the fixing frame (12); the connecting piece (7) is connected with the fixing frame (12) through a spring (13), and the spring (13) is in a compressed state so as to provide elasticity to enable the connecting piece (7) to be abutted with the moving piece (6).
8. A water body detection device according to claim 1, characterized in that the insulator (10) is made of a material comprising a ceramic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410333138.7A CN117949516A (en) | 2024-03-22 | 2024-03-22 | Water body detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410333138.7A CN117949516A (en) | 2024-03-22 | 2024-03-22 | Water body detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117949516A true CN117949516A (en) | 2024-04-30 |
Family
ID=90793019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410333138.7A Pending CN117949516A (en) | 2024-03-22 | 2024-03-22 | Water body detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117949516A (en) |
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