CN106769873B - Turbidity sensor with magnetic drive cleaning brush - Google Patents
Turbidity sensor with magnetic drive cleaning brush Download PDFInfo
- Publication number
- CN106769873B CN106769873B CN201611220788.2A CN201611220788A CN106769873B CN 106769873 B CN106769873 B CN 106769873B CN 201611220788 A CN201611220788 A CN 201611220788A CN 106769873 B CN106769873 B CN 106769873B
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- magnetic wheel
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- cleaning brush
- turbidity sensor
- magnetic
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- 238000004140 cleaning Methods 0.000 title claims abstract description 49
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 229910001256 stainless steel alloy Inorganic materials 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 239000000696 magnetic material Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
- G01N2021/152—Scraping; Brushing; Moving band
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Brushes (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a turbidity sensor with a magnetic drive cleaning brush, wherein the cleaning brush is arranged outside the turbidity sensor, one end of the cleaning brush is fixed on a driven magnetic wheel, the other end of the cleaning brush is provided with brush hair, the driven magnetic wheel is rotatably fixed on a non-magnetic shell wall of the turbidity sensor through a driven magnetic wheel rotating shaft, and when the cleaning brush and the driven magnetic wheel rotate around the driven magnetic wheel rotating shaft, the cleaning brush passes through a lens of the turbidity sensor; the driving magnetic wheel is arranged on the inner wall of the non-magnetic shell wall opposite to the driven magnetic wheel, the end faces of the two wheels are opposite, permanent magnets distributed around the circumference of the rotating shaft of the driven magnetic wheel are respectively arranged on the driving magnetic wheel and the driven magnetic wheel, the magnetic axis direction of each permanent magnet is parallel to the rotating shaft of the driven magnetic wheel, and N poles and S poles among the permanent magnets are arranged at intervals; the driving magnetic wheel is driven by a motor. The invention ensures the integrity of the turbidity sensor shell, improves the waterproof performance of the turbidity sensor shell, and can be used in deep water or other places with pressure.
Description
Technical Field
The invention relates to the field of water quality sensors, in particular to a turbidity sensor with a magnetic drive cleaning brush.
Background
For turbidity measurements, the sensor is immersed in the body of water for a long period of time, and the lens is quickly covered with microorganisms or other contaminants. To ensure accurate measurement, the sensor lens must be cleaned periodically. To reduce maintenance, a brush must be designed for the sensor to allow it to clean itself. The common practice is to add a motor inside the sensor, and the motor drives a brush outside the shell to rotate through a transmission shaft penetrating through the inside and the outside of the shell to clean. In this way the drive shaft needs to be provided with a mechanical seal to prevent the ingress of water from damaging the internal circuitry. Because the addition of the mechanical seal inevitably increases the volume of the sensor, and the mechanical seal has higher installation accuracy requirement, otherwise, the mechanical seal is easy to leak, and the rubber part is easy to age and lose efficacy and needs to be replaced periodically.
Disclosure of Invention
In order to solve the problem of cleaning the underwater sensor lens, the invention provides a turbidity sensor with a magnetic force driving cleaning brush.
In order to achieve the above-mentioned purpose, the present invention proposes a turbidity sensor with a magnetic force driving cleaning brush, wherein a cleaning brush is arranged outside the turbidity sensor, one end of the cleaning brush is fixed on a driven magnetic wheel, the other end is provided with brush hair, the driven magnetic wheel is rotatably fixed on the outer wall of a non-magnetic shell of the turbidity sensor through a driven magnetic wheel rotating shaft, and when the cleaning brush and the driven magnetic wheel rotate around the driven magnetic wheel rotating shaft, the cleaning brush passes through a lens of the turbidity sensor;
the driving magnetic wheel is arranged on the inner wall of the non-magnetic shell opposite to the driven magnetic wheel, the end faces of the two wheels are opposite, permanent magnets uniformly distributed around the circumference of the outer side of the rotating shaft of the driven magnetic wheel are respectively arranged on the driving magnetic wheel and the driven magnetic wheel, the magnetic axis direction of each permanent magnet is parallel to the rotating shaft of the driven magnetic wheel, and N poles and S poles among the permanent magnets are arranged; the driving magnetic wheel is driven by a motor, and the motor is connected with a singlechip through signals.
The space between the permanent magnet facing surfaces of the driving and driven magnetic wheels is referred to as the air gap, where the non-magnetic housing wall of the turbidity sensor passes. When the magnetic field sensor is used, the magnetic fields between the driving magnetic wheel and the driven magnetic wheel interact through the shell wall of the turbidity sensor, and finally the permanent magnets of the two magnetic wheels tend to keep a fixed angle because of homopolar repulsion and heteropolar attraction, so that torque can be transmitted between the permanent magnets. When the singlechip sends a rotation instruction to the motor, the output shaft of the motor drives the driving magnetic wheel to rotate, so that the magnetic field around the driving magnetic wheel is changed, and the driven magnetic wheel rotates along with the action of the magnetic force of the magnetic field change, so that the cleaning brush is driven to rotate, and the aim of cleaning lenses is fulfilled.
Preferably, the driving magnetic wheel is in a step shape, the lower end surface of the driving magnetic wheel is opposite to the driven magnetic wheel, and a magnetic conductive iron ring is arranged on the step surface.
Preferably, the permanent magnet and the step of the driving magnetic wheel have the same height, and the magnetic conductive iron ring is fixed on the permanent magnet and the step of the driving magnetic wheel.
Preferably, the driven magnetic wheel is rotatably fixed at the middle part of the rotating shaft of the driven magnetic wheel through an anti-drop screw.
Preferably, the motor is a vertical motor, an output shaft of the motor is vertically and downwardly fixed in a motor chamber of the turbidity sensor, and the output shaft of the motor is clamped with the driving magnetic wheel.
Further, a clamping groove is formed in the upper end face of the driving magnetic wheel, and an output shaft of the motor is clamped in the clamping groove.
Preferably, the driving magnetic wheel is made of one or more materials of plastics, stainless steel, copper and aluminum, the driven magnetic wheel is made of one or more materials of plastics, stainless steel and aluminum alloy, and the shell is made of one or more materials of plastics, stainless steel, copper and aluminum.
Preferably, the driven magnetic wheel rotating shaft is integrally formed with the outer wall of the housing and extends outwards from the outer wall of the housing.
Preferably, the cleaning brush is bonded to the driven magnetic wheel using a bond or an adhesive.
Preferably, the singlechip is in signal connection with the motor through an integrated circuit board with a motor driving module.
The beneficial effects of the invention are as follows: the integrity of the turbidity sensor shell is ensured, so that the waterproof performance of the turbidity sensor shell is improved, and the turbidity sensor shell can be used in deep water or other places with pressure.
Drawings
Fig. 1 is a schematic cross-sectional structure of a preferred embodiment of the present invention.
Description of the reference numerals:
2-cleaning brush, 3-driven magnetic wheel, 4-driven magnetic wheel rotating shaft, 5-anti-drop screw, 6-driving magnetic wheel, 7-magnetic conductive iron rings, 8-motors, 9-motor chambers, 10-shells, 11-steel balls and 12-permanent magnets.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, a cleaning brush 2 is arranged outside the turbidity sensor with the magnetic force driving cleaning brush, one end of the cleaning brush 2 is fixed on a driven magnetic wheel 3, the other end is provided with brush hair, the driven magnetic wheel 3 is rotatably fixed on the outer wall of a non-magnetic shell 10 of the turbidity sensor through a driven magnetic wheel rotating shaft 4, and when the cleaning brush 2 and the driven magnetic wheel 3 rotate around the driven magnetic wheel rotating shaft 4, the cleaning brush 2 brushes through a lens of the turbidity sensor, so that the lens can be cleaned. The driving magnetic wheel 6 is arranged on the inner wall of the non-magnetic shell 10 opposite to the driven magnetic wheel 3, the driving magnetic wheel 6 is opposite to the two end faces of the driven magnetic wheel 3, the driving magnetic wheel 6 and the driven magnetic wheel 3 are respectively provided with permanent magnets 12 distributed around the circumference of the driven magnetic wheel rotating shaft 4, the magnetic axis direction of the permanent magnets 12 is parallel to the driven magnetic wheel rotating shaft 4, and N poles and S poles among the permanent magnets 12 are arranged at intervals; the driving magnet wheel 6 is driven by a motor 8. The motor 8 is connected with a single chip microcomputer through signals, and rotates forward and reversely at regular time under the control of the single chip microcomputer.
The space between the opposing faces of the drive magnet wheel 6 and the permanent magnet 12 on the driven magnet wheel 3 is referred to as the air gap in which the turbidity sensor non-magnetic housing 10 passes, i.e. the housing 10 separates the drive magnet wheel 6 from the permanent magnet 12 on the driven magnet wheel 3. When the driving magnetic wheel is driven by the motor 8 to rotate, the magnetic field of the permanent magnet 12 of the driving magnetic wheel 6 changes, the magnetic field of the driven magnetic wheel 3 is influenced by the turbidity sensor housing 10, and finally the permanent magnets 12 of the two magnetic wheels tend to keep a fixed angle because the same poles repel the opposite poles to attract each other, so that torque is transmitted between the permanent magnets in a non-contact state by the housing. Thereby the driven magnetic wheel 3 rotates and drives the cleaning brush 2 to rotate; the aim of cleaning the lens is achieved by the forward rotation and the reverse rotation of the motor 8.
As shown in the figure, the driving magnetic wheel 6 is in a step shape, the lower end surface of the driving magnetic wheel 6 is opposite to the driven magnetic wheel 3, and a magnetic conductive iron ring 7 is arranged on the step surface. The magnetic fields of the driving magnetic wheel 6 and the driven magnetic wheel 3 form a closed magnetic circuit through the magnetic conducting iron ring 7. The magnetically permeable iron ring 7 is not an essential component, but increasing the magnetically permeable iron ring 7 can reduce the magnetic resistance of the magnetic circuit to increase the magnetic flux density on the opposite surface of the driving magnetic wheel 6 and the driven magnetic wheel 3, and can reduce the magnetic leakage. In the figure of the present embodiment, the permanent magnet 12 has the same step height as the driving magnet wheel 6, so the magnetically conductive iron ring 7 can be fixed on the steps of the permanent magnet 12 and the driving magnet wheel 6 to save space.
The driven magnetic wheel 3 may be fixed on the driven magnetic wheel rotating shaft 4 in various manners, and in the embodiment of the present invention, the middle portion of the driven magnetic wheel rotating shaft 4 is hollow, and a brush anti-falling screw 5 rotatably fixes the driven magnetic wheel 3 on the middle portion of the driven magnetic wheel rotating shaft 4. In the illustrated embodiment, the motor 8 is a vertical motor, the output shaft of which is fixed vertically downwards in a motor chamber 9 of a preset turbidity sensor, and the output shaft of which is fixed with the driving magnetic wheel 6. The upper end face of the driving magnetic wheel 6 is provided with a clamping groove, and the output shaft of the motor 8 can be directly clamped in the clamping groove. Of course, according to the specific situation, a person skilled in the art may adjust the connection structure of the motor 8 and the driving magnetic wheel 6 according to experience, or use other conventional fixing methods instead, which will not be described herein.
In the figure, the steel balls 11 are positioned in the bottom clamping grooves of the driving magnetic wheel 6, and the steel balls are used for supporting the driving magnetic wheel 6, so that the driving magnetic wheel 6 keeps a proper gap with the inner wall of the shell 10, and friction is prevented. The driven magnetic wheel spindle 4 may be integrally formed with the outer wall of the housing 10 and extend outwardly from the outer wall of the housing 10.
The driven magnetic wheel 3 in the invention can be made of one or more of non-magnetic materials such as plastics, stainless steel, aluminum alloy and the like, the driving magnetic wheel 6 can be made of one or more of non-magnetic materials such as plastics, stainless steel, copper, aluminum and the like, and the shell 10 can be made of one or more of non-magnetic materials such as plastics, stainless steel, copper, aluminum and the like.
To ensure that sufficient torque is transferred between the driving magnet wheel 6 and the driven magnet wheel 3 to drive the cleaning brush 2 to clean the lens, and that the magnet volume is undesirably large, a permanent magnet with a high magnetic energy product, such as neodymium iron boron, may be used to make the permanent magnet 12.
The cleaning brush 2 may be made of bristles or a squeegee blade and is connected to the driven magnetic wheel 3 by means of a key connection or an adhesive bond.
The singlechip is connected with the motor 8 through an integrated circuit board with a motor driving module in a signal way, and the cleaning process can be realized through singlechip programming. By programming, the time interval between two lens cleans, as well as the duration of each cleaning, can be set. The control instruction of the singlechip is input into the motor driving module, and different instructions can control the polarity and the voltage of the motor 8 so as to change the steering and the speed of the motor 8.
The invention also provides another design structure of the magnetic force field, which can achieve similar effects: the magnetic axis direction of the magnets of the driving magnetic wheel 6 and the driven magnetic wheel 3 is perpendicular to the axis of the motor 8. The specific implementation method comprises the following steps: manufacturing an inner magnetic wheel (corresponding to the driving magnetic wheel 6) and an outer magnetic wheel (corresponding to the driven magnetic wheel 3), wherein the inner magnetic wheel is cylindrical, a permanent magnet 12 with a magnetizing direction perpendicular to the rotating shaft is arranged on an outer cylindrical surface of the inner magnetic wheel, and N poles and S poles are arranged between the magnets; the outer magnetic wheel is a sleeve, the inner column surface is provided with permanent magnets 12 with magnetizing directions perpendicular to the rotating shaft, and N poles and S poles are arranged between the magnets; when the inner magnetic wheel is assembled, the inner magnetic wheel is coaxially embedded into the outer magnetic wheel, the space between the opposite faces of the permanent magnets of the inner magnetic wheel and the outer magnetic wheel is called an air gap, the non-magnetic shell wall of the turbidity sensor passes through the space, the magnetic fields between the inner magnetic wheel and the outer magnetic wheel penetrate through the shell wall of the turbidity sensor to interact, and finally the permanent magnets of the two magnetic wheels tend to keep a fixed angle because the homopolar repulsion and the heteropolar attraction are carried out, so that torque can be transmitted between the permanent magnets. When the inner magnetic wheel rotates under the drive of the motor, the outer magnetic wheel rotates under the action of the magnetic field, so that the cleaning brush 2 is driven to rotate, and the purpose of cleaning lenses is achieved. The contact parts of the inner magnetic wheel and the outer magnetic wheel with the permanent magnet can be made of magnetic materials so as to reduce magnetic resistance and magnetic leakage.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (10)
1. A turbidity sensor with a magnetically driven cleaning brush, characterized in that: the turbidity sensor is characterized in that a cleaning brush (2) is arranged outside the turbidity sensor, one end of the cleaning brush (2) is fixed on a driven magnetic wheel (3), bristles are arranged at the other end of the cleaning brush, the driven magnetic wheel (3) is rotatably fixed on the outer wall of a non-magnetic shell (10) of the turbidity sensor through a driven magnetic wheel rotating shaft (4), and when the cleaning brush (2) and the driven magnetic wheel (3) rotate around the driven magnetic wheel rotating shaft (4), the cleaning brush (2) brushes through lenses of the turbidity sensor;
the driving magnetic wheel (6) is arranged on the inner wall of the non-magnetic shell (10) opposite to the driven magnetic wheel (3), the end faces of the two wheels are opposite, permanent magnets (12) uniformly distributed around the circumference of the outer side of the driven magnetic wheel rotating shaft (4) are respectively arranged on the driving magnetic wheel (6) and the driven magnetic wheel (3), the magnetic axis direction of the permanent magnets (12) is parallel to the driven magnetic wheel rotating shaft (4), and N poles and S poles among the permanent magnets (12) are arranged; the driving magnetic wheel (6) is driven by a motor (8), and the motor (8) is connected with a single chip microcomputer through signals.
2. The turbidity sensor with magnetically driven cleaning brush of claim 1, wherein: the driving magnetic wheel (6) is in a step shape, the lower end surface of the driving magnetic wheel (6) is opposite to the driven magnetic wheel (3), and a magnetic conductive iron ring (7) is arranged on the step surface.
3. The turbidity sensor with magnetically driven cleaning brush of claim 2, wherein: the height of the permanent magnet (12) is the same as that of the step of the driving magnetic wheel (6), and the magnetic conductive iron ring (7) is fixed on the steps of the permanent magnet (12) and the driving magnetic wheel (6).
4. The turbidity sensor with magnetically driven cleaning brush of claim 1, wherein: the driven magnetic wheel (3) is rotatably fixed at the middle part of the driven magnetic wheel rotating shaft (4) through an anti-drop screw (5).
5. The turbidity sensor with magnetically driven cleaning brush of claim 1, wherein: the motor (8) is a vertical motor, an output shaft of the motor is vertically and downwards fixed in a motor chamber (9) of the turbidity sensor, and the output shaft of the motor is clamped with the driving magnetic wheel (6).
6. The turbidity sensor with magnetically driven cleaning brush of claim 5, wherein: the upper end face of the driving magnetic wheel (6) is provided with a clamping groove, and an output shaft of the motor (8) is clamped in the clamping groove.
7. The turbidity sensor with magnetically driven cleaning brush of claim 1, wherein: the driving magnetic wheel (6) is made of one or more materials of plastics, stainless steel, copper and aluminum, the driven magnetic wheel (3) is made of one or more materials of plastics, stainless steel and aluminum alloy, and the shell (10) is made of one or more materials of plastics, stainless steel, copper and aluminum.
8. The turbidity sensor with magnetically driven cleaning brush of claim 1, wherein: the driven magnetic wheel rotating shaft (4) and the outer wall of the shell (10) are integrally formed and extend outwards from the outer wall of the shell (10).
9. The turbidity sensor with magnetically driven cleaning brush of claim 1, wherein: the cleaning brush (2) is connected with the driven magnetic wheel (3) by a key or is bonded by an adhesive.
10. The turbidity sensor with magnetically driven cleaning brush of claim 1, wherein: the singlechip is in signal connection with the motor (8) through an integrated circuit board with a motor driving module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611220788.2A CN106769873B (en) | 2016-12-26 | 2016-12-26 | Turbidity sensor with magnetic drive cleaning brush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611220788.2A CN106769873B (en) | 2016-12-26 | 2016-12-26 | Turbidity sensor with magnetic drive cleaning brush |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106769873A CN106769873A (en) | 2017-05-31 |
| CN106769873B true CN106769873B (en) | 2024-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611220788.2A Active CN106769873B (en) | 2016-12-26 | 2016-12-26 | Turbidity sensor with magnetic drive cleaning brush |
Country Status (1)
| Country | Link |
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| CN (1) | CN106769873B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769726A (en) * | 2016-12-26 | 2017-05-31 | 东莞市海川博通信息科技有限公司 | A kind of turbidity and concentration of suspension sensor |
| CN108169139A (en) * | 2018-02-08 | 2018-06-15 | 宁波水表股份有限公司 | Turbidity transducer automatic pollution removing calibrating installation |
| CN108378815A (en) * | 2018-05-10 | 2018-08-10 | 余庆县人民医院 | A kind of laparoscope |
| CN108844895A (en) * | 2018-06-15 | 2018-11-20 | 合肥恒翔电子科技有限公司 | laser methane sensor |
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| KR20070088293A (en) * | 2006-10-30 | 2007-08-29 | 가부시키가이샤 히타치세이사쿠쇼 | Magnetic separating purification apparatus and magnetic separating purification method |
| CN201179035Y (en) * | 2008-04-15 | 2009-01-14 | 李阳阳 | Intelligent device for cleaning glass |
| CN101374610A (en) * | 2005-12-30 | 2009-02-25 | 阿尔法拉瓦尔容器装备股份有限公司 | A drive system for a cleaning head disposed in a tank |
| CN101400454A (en) * | 2006-03-13 | 2009-04-01 | 阿尔法拉瓦尔容器装备股份有限公司 | A cleaning head |
| CN203370752U (en) * | 2013-05-14 | 2014-01-01 | 北京铁路局北京通信段 | Cleaner for cleaning cameras |
| CN206505007U (en) * | 2016-12-26 | 2017-09-19 | 东莞市海川博通信息科技有限公司 | A kind of turbidity transducer with magnetically-actuated cleaning brush |
-
2016
- 2016-12-26 CN CN201611220788.2A patent/CN106769873B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101374610A (en) * | 2005-12-30 | 2009-02-25 | 阿尔法拉瓦尔容器装备股份有限公司 | A drive system for a cleaning head disposed in a tank |
| CN101400454A (en) * | 2006-03-13 | 2009-04-01 | 阿尔法拉瓦尔容器装备股份有限公司 | A cleaning head |
| KR20070088293A (en) * | 2006-10-30 | 2007-08-29 | 가부시키가이샤 히타치세이사쿠쇼 | Magnetic separating purification apparatus and magnetic separating purification method |
| CN201179035Y (en) * | 2008-04-15 | 2009-01-14 | 李阳阳 | Intelligent device for cleaning glass |
| CN203370752U (en) * | 2013-05-14 | 2014-01-01 | 北京铁路局北京通信段 | Cleaner for cleaning cameras |
| CN206505007U (en) * | 2016-12-26 | 2017-09-19 | 东莞市海川博通信息科技有限公司 | A kind of turbidity transducer with magnetically-actuated cleaning brush |
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| Publication number | Publication date |
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| CN106769873A (en) | 2017-05-31 |
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