CN202974867U - Turbidity meter with cleaning function - Google Patents
Turbidity meter with cleaning function Download PDFInfo
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- CN202974867U CN202974867U CN 201220706150 CN201220706150U CN202974867U CN 202974867 U CN202974867 U CN 202974867U CN 201220706150 CN201220706150 CN 201220706150 CN 201220706150 U CN201220706150 U CN 201220706150U CN 202974867 U CN202974867 U CN 202974867U
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- cleaning
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- signal
- measuring
- turbidimeter
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Abstract
The utility model provides a turbidity meter with a cleaning function, which has the characteristics of high measuring precision, good cleaning effect, low cleaning cost and the like. The turbidity meter with the cleaning function comprises a turbidity measuring device, a motor and a cleaning brush, wherein the turbidity measuring device is provided with a detecting window; and the cleaning brush is connected with a power output end of the motor. The cleaning brush is adhered on the detecting window, so that the cleaning brush can swing forwards and backwards on the detecting window under the driving of the motor.
Description
Technical field
The utility model relates to the technology of instrument and meter field for nephelometric analysis, relates in particular to a kind of turbidimeter with cleaning function.
Background technology
Along with the development of environmental protection cause, the mankind more and more pay attention to environmental protection, and in estimating the water quality monitoring of construction project to environmental impact, turbidity is one of important parameter of water-quality guideline.In sewage, potable water and surface water processing and water circuit utilization, and industrial, the industries such as chemical industry, oil, metallurgy, printing and dyeing, papermaking, pharmacy, food, the monitoring of water turbidity is all very important.
Adopting turbidity analyser that the turbidity of water body is detected, is the important means that non-soluble substance content in water is met the requirements and then control water quality.Turbidimeter is measured loose, the transmission principle that turbidity mainly is based on light, be that light is when passing water body, part light can be by the suspended material scattering in water body, thereby the light intensity of passing water body is changed, scattered light intensity is relevant with the concentration of Suspended Matter in Water matter with transmitted light intensity, utilize photoelectricity testing part to detect scattered light or the transmission light intensity that sees through water body, just can get by certain algorithm the suspended sediment concentration in water outlet, i.e. turbidity.
Because turbidimeter itself is used for measuring the water body turbidity, can not carry out pre-service to water body to be measured, make detecting head surface be easy to be polluted, thereby impact is measured.For the impact that pollution abatement brings measurement, need regularly detection window to be cleaned.Existing turbidimeter mostly adopts is that the mode of Ultrasonic Cleaning or high pressure water washing is cleaned detection window.Ultrasonic Cleaning is to utilize piezoelectric ceramic piece to convert high frequency electrical signal to dither, and pollutant or attachment are come off from detection window, thereby plays the purpose of cleaning; It is to utilize pump or air compressor to provide the current of high pressure or air-flow that detecting head surface is washed away that high-pressure water gas rinses, thereby plays the purpose of cleaning.Certain cleaning performance is both arranged, but its limitation is arranged respectively also, in the situation that there is no clean-out system, Ultrasonic Cleaning is not good to the stronger attachment cleaning performance of adhesive capacity, and water under high pressure, gas flushing need to be equipped with high-pressure pump or air compressor, increased cost, field condition has also been had certain requirement.
The utility model content
In view of this, the utility model provides a kind of turbidimeter with cleaning function.It has the characteristics such as cleaning performance is good, and the cleaning cost is low.
The turbidimeter with cleaning function that the utility model provides comprises: have the turbidity meter of detection window, described turbidimeter also comprises: the cleaning device of the cleaning brush that contain motor, is connected with described motor; Described cleaning brush is attached on described detection window; When described machine operation, described cleaning brush is swinging back and forth on described detection window under the drive of described motor.
Further, described turbidity meter comprises: light source, the measuring chamber that holds solution to be measured, reference detector and detector for measuring; Described detection window is arranged on described measuring chamber, and the position of described light source, reference detector and detector for measuring is set to: the light of described light source emission is directly received by described reference detector, the light that described light source sends is through after projecting the solution in described measuring chamber after described detection window, the scattered light of 90 ° of directions is received by described detector for measuring.
Further, described turbidity meter also comprises: controller, light source driving circuit and signal processing circuit;
Described controller is used for sending the indicator signal of opening light source to light source driving circuit;
Described light source driving circuit is used for when the indicator signal that receives from described controller, to modulation signal of described light source;
Signal processing circuit is used for receiving the reference signal that described reference detector generates, and this reference signal is processed, and receive the measuring-signal that described detector for measuring generates, and this measuring-signal is processed;
Described controller is used for reference signal and measuring-signal according to described signal processing circuit input, calculates the turbidity value of detected solution.
Further, also comprise: clean driving circuit,
Described controller is used for sending to described cleaning driving circuit and cleans indicator signal;
Described cleaning driving circuit is used for controlling described machine operation when the cleaning indicator signal that receives from described controller.
Further, described cleaning device also comprises: clean axle, dog screw and pin, described cleaning brush is by dog screw and be connected the axle connection, then by pin and described motor tight fit connection, when described machine operation, with regard to driving cleaning axle and cleaning brush, detection window is cleaned.
Further, described cleaning device also comprises: be comprised of sealing element framework, seal and hold down gag and be used for sealing the rotational sealing structure of described cleaning axle, and also be provided with O-ring seal at the periphery of described sealing element framework.
The beneficial effects of the utility model:
Owing to adopting the driven by motor cleaning brush to clean in the mode that detection window swings back and forth, so turbidimeter has automatic cleaning function, need to not cleaning such as equipment such as ultrasonic cleaning equipments by means of the outside.Simultaneously, adopt cleaning brush to clean, in the situation that there is no clean-out system, the attachment stronger to adhesive capacity also can have cleaning performance preferably.Simultaneously, clean the motor and the cleaning brush that adopt lower and easy to use compared to the cost of the equipment such as high-pressure pump or air compressor, thereby reduced the cleaning cost of turbidimeter, and use upper more convenient.
Description of drawings
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is the structural representation of the embodiment of the turbidimeter with cleaning function of the present utility model.
Fig. 2 is the structural representation of the embodiment of light path part of the present utility model.
Fig. 3 is the structural representation of the embodiment of purging system of the present utility model.
Embodiment
Please refer to Fig. 1, is the structural representation with the first embodiment of the turbidimeter of cleaning function that the utility model provides.This turbidimeter mainly comprises turbidity meter 1 and cleaning device 2, and wherein cleaning device 2 is used for the detection window 13 of turbidity meter 1 is cleaned.Particularly:
Turbidity meter 1 comprises: controller 10, light source driving circuit 11, light source 12, detection window 13, measuring chamber 14, reference detector 15, detector for measuring 16 and signal processing circuit 17.
Wherein, controller 10 is connected with light source driving circuit 11, is used for sending the indicator signal of opening light source to light source driving circuit 11.Wherein, this indicator signal can realize for high level " 1 " or by the signal of other form.Controller 10 can when the turbidimetry indication that the user sends by the trigger button that provides is provided, send the indicator signal of opening light sources to light source driving circuit 11.
Light source driving circuit 11 is used for when it receives the indicator signal of self-controller 10, and is to light source output one modulation signal, luminous with driving light source 12.
In turbidity meter 1, light source 12 adopts the mode of modulated luminescence, and simultaneously reference signal and measuring-signal is carried out the processing such as low-pass filtering, can effectively eliminate the noise such as bias light, improves signal to noise ratio (S/N ratio).Simultaneously, the light path that light source 12, detection window 13, measuring chamber 14 and detector for measuring 16 form can realize the measurement to 90 ° of scattered lights, thereby can obtain good sensitivity and linearity.Simultaneously, when measuring, increase the reference design, can effectively eliminate the impact that light source 12 and detector for measuring 16 parameters variations bring measurement.
Wherein, automatic flushing device 2 comprises: clean driving circuit 20 and purging system 21.Clean driving circuit and be connected with controller 10, the control of controlled device 10 when cleaning driving circuit 20 receives the cleaning indicator signal of self-controller 10, is controlled purging system 21 work that are attached thereto, and detection window 13 is cleaned.Particularly, in a kind of embodiment, purging system 21 mainly comprises: motor and cleaning brush, cleaning brush is connected on motor, and is attached on detection window.When machine operation, cleaning brush is swinging back and forth on detection window 13 under the drive of motor, realizes cleaning.Purging system 21 more specifically structure as shown in Figure 3, cleaning device comprises: motor 31, O-ring seal 32, sealing element framework 33, seal 34, clean axle 35, hold down gag 36, cleaning brush 37 and dog screw 38 and form.The whole system cleaning performance is good, and sealing property is reliable, and attrition component cleaning brush 37 and all replacings for convenience detach of O-ring seal 32.Cleaning brush 37 passes through dog screw 38 and is connected axle 35 connections, then by pin and motor 31 tight fit connections, when motor 31 receives purge signal, cleans with regard to driving cleaning axle 35 and 37 pairs of detection windows 13 of cleaning brush.Sealing element framework 33, seal 34 and hold down gag 36 form the rotary seal system, and O-ring seal and installation dimension being all through testing repeatedly and calculate, and adopt the Double seal ring structure, make clean that axle rotates or can seal reliably when static.The effect of O-ring seal 32 is to prevent that liquid to be measured from immersing from the sealing element framework outer rim.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (6)
1. turbidimeter with cleaning function, comprising: have the turbidity meter of detection window, it is characterized in that: described turbidimeter also comprises: the cleaning device of the cleaning brush that contain motor, is connected with described motor; Described cleaning brush is attached on described detection window; When described machine operation, described cleaning brush is swinging back and forth on described detection window under the drive of described motor.
2. turbidimeter as claimed in claim 1, it is characterized in that: described turbidity meter comprises: light source, the measuring chamber that holds solution to be measured, reference detector and detector for measuring; Described detection window is arranged on described measuring chamber, and the position of described light source, reference detector and detector for measuring is set to: the light of described light source emission is directly received by described reference detector, the light that described light source sends is through after projecting the solution in described measuring chamber after described detection window, the scattered light of 90 ° of directions is received by described detector for measuring.
3. turbidimeter as claimed in claim 2, it is characterized in that: described turbidity meter also comprises: controller, light source driving circuit and signal processing circuit;
Described controller is used for sending the indicator signal of opening light source to light source driving circuit;
Described light source driving circuit is used for when the indicator signal that receives from described controller, to modulation signal of described light source;
Signal processing circuit is used for receiving the reference signal that described reference detector generates, and this reference signal is processed, and receive the measuring-signal that described detector for measuring generates, and this measuring-signal is processed;
Described controller is used for reference signal and measuring-signal according to described signal processing circuit input, calculates the turbidity value of solution to be measured.
4. turbidimeter as claimed in claim 3 is characterized in that: also comprise: clean driving circuit,
Described controller is used for sending to described cleaning driving circuit and cleans indicator signal;
Described cleaning driving circuit is used for controlling described machine operation when the cleaning indicator signal that receives from described controller.
5. turbidimeter as described in any one in claim 1-4, it is characterized in that: described cleaning device also comprises: clean axle, dog screw and pin, described cleaning brush by dog screw be connected axle and connect, again by pin and described motor tight fit connection, when described machine operation, with regard to driving cleaning axle and cleaning brush, detection window is cleaned.
6. turbidimeter as claimed in claim 5, it is characterized in that: described cleaning device also comprises: be comprised of sealing element framework, seal and hold down gag and be used for sealing the rotational sealing structure of described cleaning axle, and also be provided with O-ring seal at the periphery of described sealing element framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220706150 CN202974867U (en) | 2012-12-19 | 2012-12-19 | Turbidity meter with cleaning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220706150 CN202974867U (en) | 2012-12-19 | 2012-12-19 | Turbidity meter with cleaning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202974867U true CN202974867U (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220706150 Expired - Lifetime CN202974867U (en) | 2012-12-19 | 2012-12-19 | Turbidity meter with cleaning function |
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| Country | Link |
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| CN (1) | CN202974867U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105637342A (en) * | 2013-09-30 | 2016-06-01 | 哈克兰格有限责任公司 | Nephelometric turbidimeter and method for detection of the contamination of a sample cuvette of a nephelometric turbidimeter |
| CN106290259A (en) * | 2016-10-08 | 2017-01-04 | 苏州奥特福环境科技有限公司 | A kind of double light path surface scattering high range transmissometer |
| CN109490256A (en) * | 2018-09-29 | 2019-03-19 | 武汉丰蓝科技有限公司 | The marine domestic sewage turbidity detection device and detection method for having self-cleaning function |
-
2012
- 2012-12-19 CN CN 201220706150 patent/CN202974867U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105637342A (en) * | 2013-09-30 | 2016-06-01 | 哈克兰格有限责任公司 | Nephelometric turbidimeter and method for detection of the contamination of a sample cuvette of a nephelometric turbidimeter |
| CN105637342B (en) * | 2013-09-30 | 2019-03-26 | 哈克兰格有限责任公司 | The method that nephometer and the sample tube for detecting nephometer pollute |
| CN106290259A (en) * | 2016-10-08 | 2017-01-04 | 苏州奥特福环境科技有限公司 | A kind of double light path surface scattering high range transmissometer |
| CN109490256A (en) * | 2018-09-29 | 2019-03-19 | 武汉丰蓝科技有限公司 | The marine domestic sewage turbidity detection device and detection method for having self-cleaning function |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |
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| CX01 | Expiry of patent term |