CN112474482A - Low-range high-precision automatic cleaning brush device for turbidity sensor and turbidity sensor - Google Patents
Low-range high-precision automatic cleaning brush device for turbidity sensor and turbidity sensor Download PDFInfo
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- CN112474482A CN112474482A CN202011228471.XA CN202011228471A CN112474482A CN 112474482 A CN112474482 A CN 112474482A CN 202011228471 A CN202011228471 A CN 202011228471A CN 112474482 A CN112474482 A CN 112474482A
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- turbidity sensor
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- photoelectric switch
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- 238000004140 cleaning Methods 0.000 title claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 11
- 230000006698 induction Effects 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 description 6
- 235000020188 drinking water Nutrition 0.000 description 3
- 239000003651 drinking water Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 206010070834 Sensitisation Diseases 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000008313 sensitization Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011086 high cleaning Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
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- 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)
- Optical Measuring Cells (AREA)
Abstract
The invention provides an automatic cleaning brush device for a low-range high-precision turbidity sensor, which comprises an installation plate, a driving motor, a photoelectric switch, a brush assembly and an MCU (microprogrammed control unit), wherein the driving motor is hermetically installed at the rear side of the installation plate, an output shaft extends out of the front side of the installation plate, and the brush assembly comprises a seal sleeve, a brush rod and a brush; a round hole is formed in the brush rod, a photoelectric switch is arranged on the mounting plate, and the light path of the photoelectric switch corresponds to the round hole; when the MCU sends a cleaning instruction, the driving motor drives the brush to rotate to clean the turbidity sensor; when the round hole rotates and passes through the photoelectric switch, the photoelectric switch triggers and sends a sensing signal to the MCU control unit, and the driving motor resets to enable the brush to be far away from the sensing end of the turbidity sensor. The device has the advantages of automatic cleaning, automatic homing, no influence on the use of the turbidity sensor, and reduction of the maintenance workload and the cost.
Description
Technical Field
The invention relates to the field of cleaning of drinking water turbidity sensors, in particular to an automatic cleaning brush device for a low-range high-precision turbidity sensor and the low-range high-precision turbidity sensor with the automatic cleaning brush device.
Background
In the process of monitoring the quality of drinking water, particularly high-quality drinking water, the turbidity sensor is required to have the characteristics of low measuring range, high precision and the like because the turbidity value of the water body is lower.
In order to achieve long-term accuracy, effectiveness and reliability of measurement data, reduce the influence of impurities in the water body attached to a measurement interface of the sensor on a turbidity measurement value and reduce the influence of bubbles in the water body on a turbidity measurement result, the turbidity sensor needs to be cleaned regularly.
In the past, operation and maintenance personnel are organized by related units and periodically go to the site to manually clean the turbidity sensor and the sensor circulation groove, so that a large amount of manpower and time are occupied, and the operation and maintenance cost of water making and selling enterprises such as tap water is increased.
In addition, when the operation and maintenance personnel clean the turbidity sensor, the rhythm of online monitoring of the turbidity sensor is also disturbed, sometimes the operation of the online monitor needs to be interrupted first, and after cleaning, the influence of bubbles in the long-term continuous monitoring process on the turbidity measurement result cannot be avoided.
Still another common cleaning method is cleaning with an ultrasonic vibration device. The ultrasonic vibration cleaning device has the defects of complex structure, inconvenient installation and maintenance, high cleaning force, easy damage to the turbidity sensor and the circulation groove, influence on a detection result sometimes and high price.
In order to solve the above problems, people are always seeking an ideal technical solution.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a low-range high-precision turbidity sensor automatic cleaning brush device which is automatically cleaned and automatically reset, does not influence the use of a turbidity sensor, and reduces the maintenance workload and cost, and a low-range high-precision turbidity sensor with the automatic cleaning brush device.
In order to achieve the purpose, the invention adopts the technical scheme that: a low-range high-precision automatic cleaning brush device for a turbidity sensor comprises a mounting plate, a driving motor, a photoelectric switch, a brush assembly and an MCU (microprogrammed control Unit), wherein the driving motor is hermetically mounted at the rear side of the mounting plate, an output shaft extends out of the front side of the mounting plate, the brush assembly comprises a sealing sleeve sleeved on the output shaft of the driving motor, a brush rod fixed on the sealing sleeve and a brush fixed on the brush rod;
a round hole is formed in the brush rod, a photoelectric switch is arranged on the mounting plate, and a light path of the photoelectric switch corresponds to the round hole;
the photoelectric switch and a control circuit of the driving motor are both connected with the MCU control unit, and when the MCU sends a cleaning instruction to the driving motor, the driving motor drives the brush to rotate to clean the sensing end of the turbidity sensor; when the round hole rotates in-process through photoelectric switch, photoelectric switch triggers and sends the sensing signal for MCU the control unit, and MCU the control unit control driving motor reachs the reset state, makes the brush keep away from turbidity sensor's response end.
Basically, the driving motor is a stepping motor.
Basically, the MCU control unit is connected with the upper computer system through a wired network or a wireless communication module.
Basically, an included angle is formed between the extending direction of the brush and the output shaft of the motor.
A low-range high-precision turbidity sensor with an automatic brush cleaning device comprises a low-range high-precision turbidity sensor, an installation plate, a driving motor, a photoelectric switch, a brush component and an MCU (microprogrammed control Unit), wherein the low-range high-precision turbidity sensor, the driving motor and the photoelectric switch are all installed on the installation plate in a sealing manner, an induction head of the low-range high-precision turbidity sensor, an output shaft of the driving motor and the photoelectric switch are all positioned on the front side of the installation plate, the induction end of the low-range high-precision turbidity sensor is an inclined surface, the brush component comprises a sealing sleeve sleeved on the output shaft of the driving motor, a brush rod fixed on the sealing sleeve and a brush fixed on the brush rod, and the inclination angle of the brush is consistent with that of the induction end of the low-range high;
in the process that the driving motor drives the brush to rotate, the brush passes through the sensing end of the low-range high-precision turbidity sensor and is scrubbed;
a round hole is formed in the brush rod, and the light path of the photoelectric switch corresponds to the round hole;
the photoelectric switch and a control circuit of the driving motor are both connected with the MCU control unit, and when the MCU sends a cleaning instruction to the driving motor, the driving motor drives the brush to rotate so as to clean the sensing end of the low-range high-precision turbidity sensor; when the round hole passes through the photoelectric switch in the rotating process, the photoelectric switch is triggered and sends a sensing signal to the MCU control unit, and the MCU control unit controls the driving motor to reach a reset state, so that the brush is far away from the sensing end of the low-range high-precision turbidity sensor;
the low-range high-precision turbidity sensor is also connected with the MCU control unit to collect water quality data.
Basically, the driving motor is a stepping motor.
Basically, the MCU control unit is connected with the upper computer system through a wired network or a wireless communication module.
Basically, the seal cover is provided with a slot for plugging the brush rod, and the brush rod is inserted in the slot.
Basically, the hairbrush is a row-shaped hairbrush, a roller-shaped hairbrush or a round-bundle-shaped hairbrush.
Basically, the brush is detachably mounted at the distal end of the brush rod.
Compared with the prior art, the invention has outstanding substantive characteristics and remarkable progress, and particularly provides the cleaning device formed by combining the miniature stepping motor, the photoelectric switch, the brush assembly and the like, which is used for physically cleaning the turbidity sensor, so that the aim of eliminating the influence of bubbles in a water body on the turbidity value can be fulfilled, the maintenance period of the sensor can be prolonged, and the workload and the cost of manual maintenance are greatly reduced.
Furthermore, through structural design and the associated configuration of the photoelectric switch and the stepping motor, the precision control of automatic cleaning is ensured, the brush is far away from the induction end interface of the turbidity sensor before and after cleaning, and the measurement accuracy of the turbidity sensor is not influenced.
The modular design idea, plug-and-play's structural style can cooperate the device with different turbidity sensors, enlarges the use scene.
Drawings
FIG. 1 is a schematic diagram of a low range, high accuracy turbidity sensor with an automatic brush cleaning device according to the present invention.
FIG. 2 is a bottom view of the low range, high accuracy turbidity sensor with an automatic cleaning brush assembly of the present invention.
In the figure: 1. a low-range high-precision turbidity sensor; 2. mounting a plate; 3. a stepping motor; 4. a photoelectric switch; 5. a sensing end; 6. sealing sleeves; 7. a brush rod; 8. a brush; 9. a circular hole; an MCU control unit.
Detailed Description
The technical solution of the present invention is further described in detail by the following embodiments.
As shown in figures 1 and 2, the low-range high-precision turbidity sensor with the automatic brush cleaning device comprises a low-range high-precision turbidity sensor 1, a mounting plate 2, a micro stepping motor 3, a photoelectric switch 4, a brush component and an MCU control unit, the low-range high-precision turbidity sensor 1, the stepping motor 3 and the photoelectric switch 4 are all hermetically arranged on the mounting plate 2, the inductive head of the low-range high-precision turbidity sensor 1, the output shaft of the stepping motor 3 and the photoelectric switch 4 are all positioned on the front side of the mounting plate 2, the induction end 5 of the low-range high-precision turbidity sensor 1 is an inclined plane, the brush component comprises a sealing sleeve 6 sleeved on an output shaft of the driving motor, a brush rod 7 fixed on the sealing sleeve 6 and a brush 8 fixed on the brush rod 7, the inclination angle of the brush 8 is consistent with that of the sensing end of the low-range high-precision turbidity sensor 1;
when the stepping motor 3 drives the brush 8 to rotate, the brush 8 makes circular motion and passes through the sensing end of the low-range high-precision turbidity sensor 1 to realize the scrubbing of the interface of the sensing end;
the low-range high-precision turbidity sensor 1 is also connected with the MCU control unit to collect water quality data and upload the collected water quality data to an upper computer system through a wired network, such as an optical fiber, or a wireless communication network, such as a 3G network and a 4G network.
In order to improve the replaceable property of the brush component, the sealing sleeve is provided with a slot for plugging the brush rod 7, and the brush rod 7 is inserted into the slot. The brush is detachably arranged at the far end of the brush rod, such as a slot structure and other conventional plug-in structures.
In this embodiment, the shape of the brush is a row-shaped brush, a roller-shaped brush or a round-bundle-shaped brush, and the brush can be selected and matched according to different scenes and different turbidity sensors.
The working principle is as follows:
set up according to the time in the host computer system, regularly clean the induction end interface of low-range high accuracy turbidity sensor 1, firstly, MCU the control unit 10 receives the instruction after, at first inquiry photoelectric switch's state, if photoelectric switch's sensitization light path passes through round hole 9, then photoelectric switch is in state 1, explain that brush 8 is in the reset state, if photoelectric switch's sensitization route can't switch on, then photoelectric switch is in state 0, explain that the brush does not reset, at this moment, MCU the control unit 10 is handled the instruction and is sent to step motor 3's control circuit, step motor 3 drive brush 8 rotates to the reset state, make photoelectric switch be in state 1, realize resetting.
Then, the MCU control unit sends a cleaning instruction to the stepping motor 3, the stepping motor drives the brush 8 to rotate, when the rotation path of the brush 8 passes through the sensing end interface of the sensor, the interface is cleaned, impurities and bubbles attached to the light source and the detection window are cleaned, the rotation is continued, when the brush 8 rotates to a specific position, the round hole 9 on the brush rod 7 is aligned with the photoelectric switch 4, when the photosensitive light path of the photoelectric switch passes through the round hole 9, the on-off state of the photoelectric switch 4 is changed into 1, the brush returns to the reset state, after the MCU control unit acquires the state change information of the photoelectric switch 4, the brush on the stepping motor is controlled to stop rotating, the cleaning task is completed, and the upper computer system is waited to issue a cleaning task again.
After the action of the cleaning module is finished, the system upper computer software sends a data acquisition instruction to the system MCU control unit, the system MCU control unit acquires data of water quality sensors such as low-range high-precision turbidity sensors, meanwhile, the system MCU control unit sends acquired water quality data to the upper computer software, the upper computer software processes and displays the received water quality data, the processed water quality data is packaged, and the water quality data and alarm information are sent to a specified big data platform to be displayed through a wired optical fiber or a 3G/4G wireless transmission module.
Therefore, a complete process of integrating the water quality on-line monitor is completed, the complete process mainly comprises automatic cleaning, water quality data acquisition, data processing, data display, data transmission and the like, and the system can start to repeatedly execute a new process at the next set time point.
Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a low range high accuracy turbidity sensor self-cleaning brush device which characterized in that: the electric hair brush comprises a mounting plate, a driving motor, a photoelectric switch, a hair brush assembly and an MCU (microprogrammed control unit), wherein the driving motor is hermetically mounted at the rear side of the mounting plate, an output shaft extends out of the front side of the mounting plate, and the hair brush assembly comprises a sealing sleeve sleeved on the output shaft of the driving motor, a hair brush rod fixed on the sealing sleeve and a hair brush fixed on the hair brush rod;
a round hole is formed in the brush rod, a photoelectric switch is arranged on the mounting plate, and a light path of the photoelectric switch corresponds to the round hole;
the photoelectric switch and a control circuit of the driving motor are both connected with the MCU control unit, and when the MCU control unit sends a cleaning instruction to the driving motor, the driving motor drives the brush to rotate to clean the sensing end of the turbidity sensor; when the round hole rotates in-process through photoelectric switch, photoelectric switch triggers and sends the sensing signal for MCU the control unit, and MCU the control unit control driving motor reachs the reset state, makes the brush keep away from turbidity sensor's response end.
2. The automatic cleaning brush device for the low-range high-precision turbidity sensor according to claim 1, wherein: the driving motor is a stepping motor.
3. The automatic cleaning brush device for the low-range high-precision turbidity sensor according to claim 1 or 2, wherein: the MCU control unit is connected with the upper computer system through a wired network or a wireless communication module.
4. The automatic cleaning brush device for the low-range high-precision turbidity sensor according to claim 3, wherein: an included angle is formed between the extending direction of the brush and the output shaft of the motor.
5. The utility model provides a low range high accuracy turbidity sensor with self-cleaning brush device which characterized in that: the low-range high-precision turbidity sensor, the driving motor and the photoelectric switch are hermetically arranged on the mounting plate, an induction head of the low-range high-precision turbidity sensor, an output shaft of the driving motor and the photoelectric switch are all positioned on the front side of the mounting plate, an induction end of the low-range high-precision turbidity sensor is an inclined surface, the brush component comprises a sealing sleeve sleeved on the output shaft of the driving motor, a brush rod fixed on the sealing sleeve and a brush fixed on the brush rod, and the inclination angle of the brush is consistent with that of the induction end of the low-range high-precision turbidity sensor;
in the process that the driving motor drives the brush to rotate, the brush passes through the sensing end of the low-range high-precision turbidity sensor and is scrubbed;
a round hole is formed in the brush rod, and the light path of the photoelectric switch corresponds to the round hole;
the photoelectric switch and a control circuit of the driving motor are both connected with the MCU control unit, and when the MCU control unit sends a cleaning instruction to the driving motor, the driving motor drives the brush to rotate so as to clean the sensing end of the low-range high-precision turbidity sensor; when the round hole passes through the photoelectric switch in the rotating process, the photoelectric switch is triggered and sends a sensing signal to the MCU control unit, and the MCU control unit controls the driving motor to reach a reset state, so that the brush is far away from the sensing end of the low-range high-precision turbidity sensor;
the low-range high-precision turbidity sensor is also connected with the MCU control unit to collect water quality data.
6. The low range, high accuracy turbidity sensor with self-cleaning brush device according to claim 5, wherein: the driving motor is a stepping motor.
7. The low range high accuracy turbidity sensor with automatic brush cleaning apparatus according to claim 5 or 6, wherein: the MCU control unit is connected with the upper computer system through a wired network or a wireless communication module.
8. The low range, high accuracy turbidity sensor with self-cleaning brush device according to claim 7, wherein: the sealing sleeve is provided with a slot for plugging the brush rod, and the brush rod is inserted in the slot.
9. The low range, high accuracy turbidity sensor with self-cleaning brush device according to claim 8, wherein: the hairbrush is a row-shaped hairbrush, a roller-shaped hairbrush or a round-bundle-shaped hairbrush.
10. The low range high accuracy turbidity sensor with automatic brush cleaning apparatus according to claim 8 or 9, wherein: the brush is detachably mounted at the distal end of the brush rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011228471.XA CN112474482A (en) | 2020-11-06 | 2020-11-06 | Low-range high-precision automatic cleaning brush device for turbidity sensor and turbidity sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011228471.XA CN112474482A (en) | 2020-11-06 | 2020-11-06 | Low-range high-precision automatic cleaning brush device for turbidity sensor and turbidity sensor |
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| CN112474482A true CN112474482A (en) | 2021-03-12 |
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| CN202011228471.XA Pending CN112474482A (en) | 2020-11-06 | 2020-11-06 | Low-range high-precision automatic cleaning brush device for turbidity sensor and turbidity sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113909166A (en) * | 2021-10-11 | 2022-01-11 | 上海海洋大学 | Automatic cleaning device for underwater temperature and light recorder |
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2020
- 2020-11-06 CN CN202011228471.XA patent/CN112474482A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113909166A (en) * | 2021-10-11 | 2022-01-11 | 上海海洋大学 | Automatic cleaning device for underwater temperature and light recorder |
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