CN203432905U - Optical fiber water quality sensor based on ultrasonic self-cleaning - Google Patents
Optical fiber water quality sensor based on ultrasonic self-cleaning Download PDFInfo
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- CN203432905U CN203432905U CN201320584448.3U CN201320584448U CN203432905U CN 203432905 U CN203432905 U CN 203432905U CN 201320584448 U CN201320584448 U CN 201320584448U CN 203432905 U CN203432905 U CN 203432905U
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- optical fiber
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Abstract
The utility model discloses an optical fiber water quality sensor based on ultrasonic self-cleaning. The optical fiber water quality sensor comprises a shell, filter membranes, an incidence optical fiber, an outgoing optical fiber, an incidence optical fiber aligning lens, an outgoing optical fiber aligning lens, an ultrasonic transducer and an ultrasonic generator, wherein the shell is of a three-dimensional cross structure; an incidence optical fiber aligning lens interface, an outgoing optical fiber aligning lens interface, water inlet and outlet, and an ultrasonic transducer interface are formed on the shell; the filter membranes are fixed at the water inlet and outlet of the shell by fixing pieces; the incidence optical fiber is connected to the incidence optical fiber aligning lens; the incidence optical fiber aligning lens is connected to the shell; the outgoing optical fiber is connected to the outgoing optical fiber aligning lens; the outgoing optical fiber aligning lens is connected to the shell; the ultrasonic transducer is connected to the shell; the ultrasonic generator is connected to the ultrasonic transducer by a cable. The sensor disclosed by the utility model changes vibration of water molecules inside a water quality sensor by virtue of vibration of a vibrator of the ultrasonic transducer, so that self-cleaning of the sensor is realized.
Description
Technical field
The utility model belongs to sensor technical field, relates in particular to a kind of optical fiber water quality sensor of self-cleaning.
Background technology
Water quality sensor is categorized as electrochemical sensor, biology sensor, Fibre Optical Sensor etc. now, these sensors can be realized corresponding index in measurement water and divide water grade, if number of patent application is 201210310133.X, patent name is: a kind of water quality chroma detection device based on transmission-type Fibre Optical Sensor, and can be for the accurate on-line measurement of water quality colourity; Number of patent application is 200810238398.7, and patent name is: a kind of electrochemical sensor of measuring concentration of heavy metal ions in water sample, and can be for the accurate measurement of the heavy metals such as water sample cadmium, lead, mercury.These water quality sensors can be realized the detection of water quality specific indexes preferably, but water quality environment is complicated, when water quality sensor is for a long time when carrying out water quality monitoring under water, because pollutant, microorganism etc. is attached to the surface of water quality sensor, affect its Monitoring Performance.And in currently used or disclosed prior art, water quality sensor does not possess self-cleaning function, to the water quality sensor polluting, can only take the method that periodic replacement is cleaned to safeguard.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of ultrasound wave self-cleaning optical fiber water quality sensor, with oscillator for ultrasonic transducer, vibrate, change the vibration of water quality sensor internal water molecule and reach the effect of self-cleaning, have advantages of and can use under water for a long time.
The technical scheme that the utility model adopts: a kind of based on ultrasound wave self-cleaning optical fiber water quality sensor, comprise housing, filter membrane, incident optical, outgoing optical fiber, incident optical collimation lens, outgoing fiber collimating lenses, ultrasonic transducer, ultrasonic generator; Described housing is the logical structure of three-dimensional cross, comprises incident fiber collimating lenses interface, outgoing fiber collimating lenses interface, intake-outlet, ultrasonic transducer interface on housing; Described filter membrane adopts fixture to be fixed on the intake-outlet of described housing; Described incident optical is connected to incident optical collimation lens by SMA905 sonet standard joint, and incident optical collimation lens is connected to housing by incident optical collimation lens interface; Described outgoing optical fiber is connected to outgoing fiber collimating lenses by SMA905 sonet standard joint, and outgoing fiber collimating lenses is connected to housing by outgoing fiber collimating lenses interface; Ultrasonic transducer is connected to housing by ultrasonic transducer interface, and ultrasonic transducer is connected in ultrasonic generator by cable.
On described housing, incident optical collimation lens interface, outgoing fiber collimating lenses interface are carved with screw thread.
Described housing is corrosion resistant material.
Described ultrasonic transducer is the ultrasonic transducer that is applicable to underwater operation.
The beneficial effects of the utility model are:
1. adopt ultrasound wave self-cleaning technology, can realize the self-cleaning function of optical fiber water quality sensor;
2. adopt the ultrasonic transducer that is applicable to underwater operation, be convenient to optical fiber water quality sensor and carry out under water automatically cleaning.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and concrete mode, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is front elevation of the present utility model.
Fig. 3 is attached view of the present utility model.
In Fig. 1-3: 1 is housing; 2 is incident optical; 3 is outgoing optical fiber; 4 is beam incident optical collimation lens; 5 is outgoing optical collimation lens; 6 is incident optical SMA905 sonet standard joint; 7 is outgoing optical fiber SMA905 sonet standard joint; 8 is fixture; 9 is ultrasonic transducer; 10 is filter membrane.
Embodiment
In Fig. 1-3, a kind of based on ultrasound wave self-cleaning optical fiber water quality sensor, comprise housing 1, filter membrane 10, incident optical 2, outgoing optical fiber 3, incident optical collimation lens 4, outgoing fiber collimating lenses 5, ultrasonic transducer 9, ultrasonic generator; Described housing 1 is the logical structure of three-dimensional cross, can guarantee water (flow) direction, light conduction orientation, and pairwise orthogonal between ultrasonic vibration direction three, without influencing each other; On housing 1, comprise incident fiber collimating lenses interface, outgoing fiber collimating lenses interface, intake-outlet, ultrasonic transducer interface, on housing 1, incident optical collimation lens interface, outgoing fiber collimating lenses interface are carved with screw thread, and incident optical collimation lens 4 and outgoing fiber collimating lenses 5 can be tightened by screw thread; Described filter membrane 10 employing fixtures 8 are fixed on the intake-outlet of described housing 1, floating material and large particulate matter in filtered water environment; Described incident optical is connected to incident optical collimation lens 4 by incident optical SMA905 sonet standard joint 6, and incident optical collimation lens 4 is connected to housing 1 by incident optical collimation lens interface; Described outgoing optical fiber is connected to outgoing fiber collimating lenses 5 by outgoing optical fiber SMA905 sonet standard joint 7, and outgoing fiber collimating lenses 5 is connected to housing 1 by outgoing fiber collimating lenses interface; Ultrasonic transducer 9 is connected to housing 1 by ultrasonic transducer interface, and ultrasonic transducer 9 is connected in ultrasonic generator by cable.Ultrasonic transducer 9 is selected the ultrasonic transducer that is applicable to underwater operation, facilitates optical fiber water quality sensor of the present invention to be arranged in for a long time and carries out water quality monitoring under water.
A kind of based on ultrasound wave self-cleaning optical fiber water quality sensor sensing principle: a kind of ultrasound wave self-cleaning optical fiber water quality sensor connects according to each parts shown in Fig. 1, adopt the lifting modes such as rope, steel wire that ultrasound wave self-cleaning optical fiber water quality sensor of the present invention is put into water environment to be measured.The light that light source sends transfers to beam incident optical collimation lens 4 by incident optical 2, through beam incident optical collimation lens 4 focussed collimated, see through optical fiber water quality sensor sensing unit water sample, enter into outgoing fiber collimating lenses 5, through outgoing fiber collimating lenses 5 collimation focusings, emergent light is assembled and entered outgoing optical fiber 3, transfer to signals collecting terminal processes and obtain water quality information.
A kind of based on ultrasound wave self-cleaning optical fiber water quality sensor self-cleaning principle: a kind of ultrasound wave self-cleaning optical fiber water quality sensor connects according to each parts shown in Fig. 1, adopt the lifting modes such as rope, steel wire that ultrasound wave self-cleaning optical fiber water quality sensor of the present invention is put into water environment to be measured.Open ultrasonic generator, signal transfers to ultrasonic transducer 9, and ultrasonic transducer 9 is controlled inner oscillator vibration, produces the vibration that ultrasound wave changes water quality sensor internal water molecule, thereby realizes the self-cleaning of optical fiber water quality sensor.
Claims (4)
1. based on a ultrasound wave self-cleaning optical fiber water quality sensor, comprise housing, filter membrane, incident optical, outgoing optical fiber, incident optical collimation lens, outgoing fiber collimating lenses, ultrasonic transducer, ultrasonic generator; Described housing is the logical structure of three-dimensional cross, comprises incident fiber collimating lenses interface, outgoing fiber collimating lenses interface, intake-outlet, ultrasonic transducer interface on housing; Described filter membrane adopts fixture to be fixed on the intake-outlet of described housing; Described incident optical is connected to incident optical collimation lens by SMA905 sonet standard joint, and incident optical collimation lens is connected to housing by incident optical collimation lens interface; Described outgoing optical fiber is connected to outgoing fiber collimating lenses by SMA905 sonet standard joint, and outgoing fiber collimating lenses is connected to housing by outgoing fiber collimating lenses interface; It is characterized in that, ultrasonic transducer is connected to housing by ultrasonic transducer interface, and ultrasonic transducer is connected in ultrasonic generator by cable.
2. according to claim 1 a kind ofly it is characterized in that based on ultrasound wave self-cleaning optical fiber water quality sensor, on described housing, incident optical collimation lens interface, outgoing fiber collimating lenses interface are carved with screw thread.
3. according to claim 1 a kind ofly it is characterized in that based on ultrasound wave self-cleaning optical fiber water quality sensor, described housing is corrosion resistant material.
4. according to claim 1 a kind ofly it is characterized in that based on ultrasound wave self-cleaning optical fiber water quality sensor, described ultrasonic transducer is the ultrasonic transducer that is applicable to underwater operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320584448.3U CN203432905U (en) | 2013-09-17 | 2013-09-17 | Optical fiber water quality sensor based on ultrasonic self-cleaning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320584448.3U CN203432905U (en) | 2013-09-17 | 2013-09-17 | Optical fiber water quality sensor based on ultrasonic self-cleaning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203432905U true CN203432905U (en) | 2014-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320584448.3U Expired - Fee Related CN203432905U (en) | 2013-09-17 | 2013-09-17 | Optical fiber water quality sensor based on ultrasonic self-cleaning |
Country Status (1)
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| CN (1) | CN203432905U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106040660A (en) * | 2016-07-13 | 2016-10-26 | 宁波方太厨具有限公司 | Intelligent automatic cleaning device and control method thereof |
-
2013
- 2013-09-17 CN CN201320584448.3U patent/CN203432905U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106040660A (en) * | 2016-07-13 | 2016-10-26 | 宁波方太厨具有限公司 | Intelligent automatic cleaning device and control method thereof |
| CN106040660B (en) * | 2016-07-13 | 2018-12-14 | 宁波方太厨具有限公司 | A kind of intelligence automatic flushing device and its control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20140917 |
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| EXPY | Termination of patent right or utility model |