CN203459321U - Automatic cleaning device of optical fiber immersed type sediment charge sensor - Google Patents
Automatic cleaning device of optical fiber immersed type sediment charge sensor Download PDFInfo
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- CN203459321U CN203459321U CN201320533449.5U CN201320533449U CN203459321U CN 203459321 U CN203459321 U CN 203459321U CN 201320533449 U CN201320533449 U CN 201320533449U CN 203459321 U CN203459321 U CN 203459321U
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Abstract
The utility model discloses an automatic cleaning device of an optical fiber immersed type sediment charge sensor. The device comprises a liquid inlet pipe, a pump, a guide pipe and a shower nozzle, wherein one end of the liquid inlet pipe is connected with an external liquid storage pool, the other end of the liquid inlet pipe is connected with the pump, a liquid outlet of the pump is connected with the shower nozzle through the guide pipe, and a spout of the shower nozzle is opposite to an optical fiber guide surface in the sensor, so that high pressure liquid sprayed out of the spout can be used for cleaning sediment on the optical fiber guide surface. The automatic cleaning device is high in automation degree, the pump can be precisely started for cleaning according to the operation time of the sensor or the flowing sediment charge, manual intervention is unnecessary, the optical fiber immersed type sediment charge sensor is enabled to work in an optimum measuring state all the time, and the measurement is more precise. The pump, the liquid inlet pipe and the guide pipe in the automatic cleaning device are all combined with the sensor into a whole, and no exposed parts exist, so that the use is more convenient, and the service life of the automatic cleaning device is prolonged.
Description
Technical field
The utility model relates to sediment charge and detects research field, particularly a kind of optical fiber immersion sediment charge sensor automatic cleaning device.
Background technology
In water and soil conservation system, measure the sediment charge got off by rain drop erosion, or in basin, measure the quantity of sand and mud of basin under washing away in upstream, be all considerable.And in silt measuring system, optical fiber immersion sediment charge sensor is used quite generally and stable in on-line measurement instrument.
But optical fiber immersion sediment charge sensor is owing to being immersion, in long-term immersion process, having silt is attached on optical fiber light-guiding face, once there be silt always residual on light guiding surface, can cause the data measured bigger than normal, can be more long-pending larger at leisure if cleaned out not in time, cause surveyed data at all useless.In order to overcome this problem, adopting maximum methods is to allow water protect operator on duty's periodic cleaning probe at station, probe is taken out and is cleaned from river or inside vasculum.There are the following problems for this manual cleaning method: 1, need personnel at water, to protect station for a long time on duty, and mode operates by hand.2, because operating personnel are not in most cases mechanical discipline personnel, so if misoperation can produce secondary injury to equipment.3, under many circumstances, the place that water guarantor builds a station at station is all unattended.The maintenance so nobody gets on.4, owing to safeguarding environment more complicated, when sometimes rainfall is many, need will safeguard for 1 to 2 day, when rainfall is fewer, need the interval of maintenance longer again, and relevant with local rainfall size, to maintenance, bring certain uncertainty.
So, in the urgent need to an automation, do not need manually-operated device to probe clean.
Utility model content
Main purpose of the present utility model is that the shortcoming that overcomes prior art is with not enough, a kind of optical fiber immersion sediment charge sensor automatic cleaning device is provided, this apparatus structure is simple, and the silt on optical fiber light-guiding face in cleaning sensor, makes measurement result accurate automatically.
The purpose of this utility model realizes by following technical scheme: optical fiber immersion sediment charge sensor automatic cleaning device, comprise feed tube, pump, conduit, shower nozzle, wherein feed tube one end is connected with outside liquid storage pool, the other end is connected with pump, the liquid outlet of pump is connected with shower nozzle by a conduit, shower nozzle spout is relative with optical fiber light-guiding face in sensor, for making the highly pressurised liquid of spout ejection wash the silt on optical fiber light-guiding face.
Further, described feed tube, conduit are flexible pipe, are all arranged in the formed pipe of shell of sensor.Thereby can make structure-integratedly, structure is more succinct, and extends the service life of flexible pipe, conduit.
Further, described shower nozzle comprises two, for cleaning two corresponding optical fiber light-guiding faces.
Further, in the fluid column that described each shower nozzle ejects and sensor, optical fiber light-guiding face forms the angle of 120 degree.This angle can make the effect of cleaning best.
Preferably, the liquid in described liquid storage pool is detected water source.
Further, described sensor middle part arranges a box body, be fixed on the shell of sensor, and box body communicates with display pipe, and pump is fixedly installed in this box body.Thereby can make pump, feed tube, conduit all synthesize one with sensor, use more convenient.
Cleaning method based on above-mentioned optical fiber immersion sediment charge sensor automatic cleaning device, according to the operating sensor time or start pump according to the quantity of sand and mud flowing through and clean.
Concrete, the step of cleaning according to the operating sensor time is:
Start sensor is measured, and records start-up time;
Set a time interval value N, once sensor continuous operation duration N stops measuring automatically;
Pump startup, and clean to two optical fiber light-guiding faces ejection water jets under high pressure in sensor;
Once reach the scavenging period of setting, close pump, reclocking.
Concrete, the step of cleaning according to the quantity of sand and mud flowing through is:
Start sensor is measured, and recording current quantity of sand and mud total amount is 0;
Set a flow threshold Q, detect in real time the quantity of sand and mud of flows through sensor, once the quantity of sand and mud total amount of flows through sensor reaches threshold value Q, automatically stop measuring;
Pump startup, and clean to two optical fiber light-guiding faces ejection water jets under high pressure in sensor;
Once reach the scavenging period of setting, close pump, resetting current quantity of sand and mud total amount is 0.
Compared with prior art, tool has the following advantages and beneficial effect the utility model:
1, the utility model automaticity is high, can be accurately according to the operating sensor time or automatically start pump according to the quantity of sand and mud flowing through and clean, automatically close pump and continue to measure, without manual intervention.Thereby make optical fiber immersion sediment charge sensor always work in optimum measurement state, it is more accurate to measure.
2, in the utility model, pump, feed tube, conduit all synthesize one with sensor, the parts that do not leak outside, and it is more convenient to use, and can extend service life of the present utility model.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model device;
Fig. 2 is the cleaning method schematic flow sheet in embodiment 1;
Fig. 3 is the cleaning method schematic flow sheet in embodiment 2.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
As shown in Figure 1, the present embodiment optical fiber immersion sediment charge sensor automatic cleaning device, comprises water inlet pipe 1, pump, conduit 2, shower nozzle 3, and wherein water inlet pipe one end is connected with outside liquid storage pool, and the other end is connected with pump.Liquid in liquid storage pool is detected water source.The delivery port of pump is connected with shower nozzle by a conduit, and shower nozzle spout is relative with optical fiber light-guiding face 4 in sensor, for making the highly pressurised liquid of spout ejection wash the silt on optical fiber light-guiding face.
Described water inlet pipe 1, conduit 2 are flexible pipe, are all arranged in the formed pipe of shell 5 of sensor.Sensor middle part arranges a box body 6, be fixed on the shell 5 of sensor, and box body 6 communicates with display pipe, and pump is fixedly installed in this box body.Be that pump, water inlet pipe 1, conduit 2 all synthesize one with sensor.
In the present embodiment, shower nozzle 3 comprises two, for cleaning two corresponding optical fiber light-guiding faces 4.Can to this, select according to installation cost and service condition in actual applications, for example, can select a shower nozzle, this shower nozzle is connected with a control device, and shower nozzle can be rotated under control device is controlled.
In the water jets under high pressure that in the present embodiment, each shower nozzle ejects and sensor, optical fiber light-guiding face 4 forms the angle of 120 degree.This angle can make the effect of cleaning best.
The cleaning method of the present embodiment based on above-mentioned optical fiber immersion sediment charge sensor automatic cleaning device is: according to the operating sensor time, start pump and clean.Concrete step is:
(1) start sensor is measured, and records start-up time;
(2) set a time interval value N, record Measuring Time;
(3) judge whether sensor continuous operation duration surpasses N, if yes then enter step (4), otherwise proceed to measure;
(4) start water pump, and clean to two optical fiber light-guiding faces ejection water jets under high pressure in sensor;
(5) judge whether to reach the scavenging period of setting, if it is switch off the pump, and reclocking, otherwise proceed to clean.
The present embodiment except following characteristics other structures with embodiment 1:
The cleaning method of the present embodiment based on above-mentioned optical fiber immersion sediment charge sensor automatic cleaning device is: according to the quantity of sand and mud flowing through, start pump and clean.Concrete step is:
(1) start sensor is measured, and recording current quantity of sand and mud total amount is 0;
(2) set a flow threshold Q, detect in real time the quantity of sand and mud of flows through sensor;
(3) whether the total volume of silt of judgement accumulative total flows through sensor surpasses threshold value Q, if yes then enter step (4), otherwise proceeds quantity of sand and mud collection;
(4) start water pump, and clean to two optical fiber light-guiding faces ejection water jets under high pressure in sensor;
(5) judge whether to reach the scavenging period of setting, if it is switch off the pump, and to reset current quantity of sand and mud be 0, otherwise proceed to clean.
Above-described embodiment is preferably embodiment of the utility model; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection domain of the present utility model.
Claims (6)
1. optical fiber immersion sediment charge sensor automatic cleaning device, it is characterized in that, comprise feed tube, pump, conduit, shower nozzle, wherein feed tube one end is connected with outside liquid storage pool, the other end is connected with pump, the liquid outlet of pump is connected with shower nozzle by a conduit, and shower nozzle spout is relative with optical fiber light-guiding face in sensor, for making the highly pressurised liquid of spout ejection wash the silt on optical fiber light-guiding face.
2. optical fiber immersion sediment charge sensor automatic cleaning device according to claim 1, is characterized in that, described feed tube, conduit are flexible pipe, is all arranged in the formed pipe of shell of sensor.
3. optical fiber immersion sediment charge sensor automatic cleaning device according to claim 2, is characterized in that, described shower nozzle comprises two, for cleaning two corresponding optical fiber light-guiding faces.
4. optical fiber immersion sediment charge sensor automatic cleaning device according to claim 3, is characterized in that, in the fluid column that described each shower nozzle ejects and sensor, optical fiber light-guiding face forms the angle of 120 degree.
5. optical fiber immersion sediment charge sensor automatic cleaning device according to claim 1, is characterized in that, the liquid in described liquid storage pool is detected water source.
6. optical fiber immersion sediment charge sensor automatic cleaning device according to claim 2, is characterized in that, described sensor middle part arranges a box body, be fixed on the shell of sensor, and box body communicates with display pipe, and pump is fixedly installed in this box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320533449.5U CN203459321U (en) | 2013-08-29 | 2013-08-29 | Automatic cleaning device of optical fiber immersed type sediment charge sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320533449.5U CN203459321U (en) | 2013-08-29 | 2013-08-29 | Automatic cleaning device of optical fiber immersed type sediment charge sensor |
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| Publication Number | Publication Date |
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| CN203459321U true CN203459321U (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320533449.5U Expired - Fee Related CN203459321U (en) | 2013-08-29 | 2013-08-29 | Automatic cleaning device of optical fiber immersed type sediment charge sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406298A (en) * | 2013-08-29 | 2013-11-27 | 中国水利水电科学研究院 | Device and method for automatically cleaning optical fiber immersion type silt content sensor |
-
2013
- 2013-08-29 CN CN201320533449.5U patent/CN203459321U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406298A (en) * | 2013-08-29 | 2013-11-27 | 中国水利水电科学研究院 | Device and method for automatically cleaning optical fiber immersion type silt content sensor |
| CN103406298B (en) * | 2013-08-29 | 2015-07-08 | 中国水利水电科学研究院 | Device and method for automatically cleaning optical fiber immersion type silt content sensor |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140305 Termination date: 20200829 |