CN203908631U - Pipeline liquid level detection device based on dual optical paths - Google Patents
Pipeline liquid level detection device based on dual optical paths Download PDFInfo
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- CN203908631U CN203908631U CN201420345617.2U CN201420345617U CN203908631U CN 203908631 U CN203908631 U CN 203908631U CN 201420345617 U CN201420345617 U CN 201420345617U CN 203908631 U CN203908631 U CN 203908631U
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- liquid level
- photoelectric sensor
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- detection device
- level sensor
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Abstract
The utility model relates to a pipeline liquid level detection device based on dual optical paths. The device comprises a liquid level detection unit and a liquid path conduit, wherein the liquid level detection unit comprises at least two photoelectric sensors, a liquid level sensor base and a liquid level sensor upper cover; base grooves are formed in the liquid level sensor base; the photoelectric sensors are fixed in the base grooves in the liquid level sensor base; and the liquid path conduit is arranged between the base grooves and the liquid level sensor upper cover. The device has the advantages of reliability in liquid level detection, accuracy, simplicity in operation and the like and can be widely applied to the field of detection of corresponding liquid paths for water quality monitoring.
Description
Technical field
The utility model relates to field of environment protection water quality monitoring instrument field, relates in particular to a kind of pipeline liquid level detection device based on double light path method.
Background technology
Water quality monitoring is the important foundation of water resources management and protection, be environmental protection deepen continuously and supervision continue to increase in the urgent need to, liquid sampling measuring apparatus is one of core component of water quality monitoring instrument, liquid level detection device is the core component of liquid liquid extracting and metering device simultaneously, the stability of liquid level detection device and Reliability Assurance the Stability and veracity of data of apparatus measures, at present, application mainly contains liquid level sensor and photoelectric sensor two classes with the liquid level detection device of water quality on-line monitoring instrument device; Utilizing liquid level sensor detection technique is mainly to utilize liquid level sensor the liquid in conduit to be flow through to the induction of moment, switch by control pump and valve is realized the control detecting getting liquid, relate generally to the devices such as reagent syringe pump, liquid level sensor, double-body valve, but, liquid level sensor is expensive, it requires harsh to the rotating speed of reagent syringe pump simultaneously, if pump running shakiness has a strong impact on accuracy in detection, and liquid level sensor is vulnerable to the infringement of the strong liquid of corrosivity, cause the stability of whole equipment and degree of accuracy to be subject to the restriction of sensor; Utilizing photoelectric sensing detection technique is mainly to utilize the light signal of photoelectric sensor to convert the principle of electric signal to, the feature that wherein light can die down light intensity by liquid absorption, relate generally to the devices such as peristaltic pump photoelectric sensor, solenoid valve, principle is to rotate to extract the air in conduit by peristaltic pump, under the effect of air pressure, liquid flows through fast in conduit, in the time that photoelectric sensor detects liquid, control instrument is got the work that surges at once, but this device can not be eliminated the impact that the little liquid pearl in bubble and the conduit in liquid is judged instrument by accident.
Summary of the invention
For the deficiency of existing liquid level detection device, it is a kind of simple in structure, easy for installation that the utility model provides, and get liquid and detect accurate, the stable liquid pick-up unit of getting.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of based on double light path pipeline liquid level detection device, comprise liquid level detecting unit, liquid road conduit, described liquid level detecting unit comprises photoelectric sensor, liquid level sensor base, liquid level sensor upper cover, described liquid level sensor base is provided with base groove, described photoelectric sensor is fixed in base groove, and described Ye road conduit is located between base groove and liquid level sensor upper cover.
Preferably, described photoelectric sensor comprises photoelectric sensors A and photoelectric sensor B, and the center distance between described photoelectric sensors A and photoelectric sensor B is not less than 4mm.Its spacing determines by the length of the insignificant liquid pearl of instrument and bubble, and its effect is the erroneous judgement that the problems such as the little liquid pearl in bubble and the conduit that can effectively avoid in liquid cause.
Preferably, described photoelectric sensor is provided with photoelectric sensor groove, and described Ye road conduit is fitted in the bottom of photoelectric sensor groove.Its effect is the stability that has ensured liquid level sensor signal, and the base groove of liquid level sensor base, a little less than photoelectric sensor groove, can ensure that the liquid level of photoelectric sensor detects stability and accuracy.
Preferably, be covered with groove or through hole on liquid level sensor, groove or through hole coordinate corresponding with photoelectric sensor.So just ensure that photoelectric sensors A, photoelectric sensor B can not push up liquid level sensor upper cover.
Preferably, on liquid level sensor, be covered with boss.Ensure like this can be firmly will to get fluid catheter and be fitted in the bottom of photoelectric sensor groove.
Preferably, in described liquid level detecting unit, be provided with a photoelectric sensor.Multiple liquid level detecting units that distribute in liquid-way system to be detected, are provided with a photoelectric sensor in each liquid level detecting unit, also can play the erroneous judgement that the problems such as the little liquid pearl in bubble and the conduit of effectively avoiding in liquid cause.
Adopt after technique scheme, the utlity model has following advantage: photoelectric sensor, liquid level sensor base, liquid level sensor upper cover is integrated, make liquid level detection device more easy for installation and flexible, detect stable and accurate.
Brief description of the drawings
Fig. 1 is a kind of liquid level sensor understructure schematic diagram of the present utility model.
Fig. 2 is the backsight structural representation of Fig. 1.
Fig. 3 is a kind of liquid level sensor superstructure schematic diagram of the present utility model.
Fig. 4 is another kind of liquid level sensor superstructure schematic diagram of the present utility model.
Fig. 5 is liquid level sensor base of the present utility model, photoelectric sensor, gets fluid catheter structural representation.
Fig. 6 is the liquid level detection device structural representation of single photoelectric sensing of the present utility model.
Fig. 7 is structural profile schematic diagram of the present utility model.
In figure: 7, base groove 8, liquid level sensor upper cover 9, groove 10, boss
11, liquid level sensor base 12, photoelectric sensor groove 13, through hole
14, photoelectric sensors A 15, photoelectric sensor B 16, liquid level detecting unit
18, liquid road conduit
Embodiment
Embodiment mono-, below in conjunction with accompanying drawing 1 to 3, accompanying drawing 5, accompanying drawing 7, the utility model is further described, a kind of based on double light path pipeline liquid level detection device, formed by photoelectric sensors A 14, photoelectric sensor B15, liquid level sensor base 11, liquid level sensor upper cover 8, liquid road conduit 18, by photoelectric sensors A 14, photoelectric sensor B15 is fixed in liquid level sensor base 11 base grooves 7, and guarantee that base groove 7 is lower than photoelectric sensor groove 12, Zai Jiangye road conduit 18 is fitted in the bottom of photoelectric sensor groove 12, on liquid level sensor upper cover 8, there are boss 10 and groove 9, liquid level sensor upper cover 8 is arranged on liquid level sensor base 11, the boss 10 of guaranteeing liquid level sensor upper cover 8 is fitted on liquid road conduit 18, groove 9 has ensured photoelectric sensors A 14 simultaneously, photoelectric sensor B15, can not push up liquid level sensor upper cover 8 surfaces, the center distance 4mm of photoelectric sensors A 14 and photoelectric sensor B15.
Embodiment bis-, by reference to the accompanying drawings 1, accompanying drawing 2, accompanying drawing 4, accompanying drawing 5, accompanying drawing 7, only replaces to through hole 13 by the groove in embodiment mono-9, and all the other are all identical.
Embodiment tri-, by reference to the accompanying drawings 6, liquid level detecting unit adopts single photoelectric sensors A 14, multiple liquid level detecting units distribute in liquid-way system to be detected, in each liquid level detecting unit, be provided with a photoelectric sensors A 14, also can play the erroneous judgement that the problems such as the little liquid pearl in bubble and the conduit of effectively avoiding in liquid cause.
Claims (7)
1. one kind based on double light path pipeline liquid level detection device, it is characterized in that, comprise liquid level detecting unit (16), liquid road conduit (18), described liquid level detecting unit (16) comprises photoelectric sensor, liquid level sensor base (11), liquid level sensor upper cover (8), described liquid level sensor base (11) is provided with base groove (7), described photoelectric sensor is fixed in base groove (7), and described Ye road conduit (18) is located between base groove (7) and liquid level sensor upper cover (8).
2. one according to claim 1 is based on double light path pipeline liquid level detection device, it is characterized in that, described photoelectric sensor comprises photoelectric sensors A (14) and photoelectric sensor B (15), and the center distance between described photoelectric sensors A (14) and photoelectric sensor B (15) is not less than 4mm.
3. one according to claim 1 and 2 is based on double light path pipeline liquid level detection device, it is characterized in that, described photoelectric sensor is provided with photoelectric sensor groove (12), and described Ye road conduit (18) is fitted in the bottom of photoelectric sensor groove (12).
4. one according to claim 1 and 2 is based on double light path pipeline liquid level detection device, it is characterized in that, described liquid level sensor upper cover (8) is provided with groove (9), and described groove (9) coordinates corresponding with photoelectric sensor.
5. one according to claim 1 and 2 is based on double light path pipeline liquid level detection device, it is characterized in that, described liquid level sensor upper cover (8) is provided with through hole (13), and described through hole (13) coordinates corresponding with photoelectric sensor.
6. one according to claim 1 and 2 detects pick-up unit based on double light path pipeline liquid level, it is characterized in that, described liquid level sensor upper cover (8) is provided with boss (10).
7. one according to claim 1, based on double light path pipeline liquid level detection device, is characterized in that, in described liquid level detecting unit (16), is provided with a photoelectric sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420345617.2U CN203908631U (en) | 2014-06-20 | 2014-06-20 | Pipeline liquid level detection device based on dual optical paths |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420345617.2U CN203908631U (en) | 2014-06-20 | 2014-06-20 | Pipeline liquid level detection device based on dual optical paths |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203908631U true CN203908631U (en) | 2014-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420345617.2U Expired - Fee Related CN203908631U (en) | 2014-06-20 | 2014-06-20 | Pipeline liquid level detection device based on dual optical paths |
Country Status (1)
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| CN (1) | CN203908631U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949723A (en) * | 2015-06-30 | 2015-09-30 | 开平市中青环保技术服务有限公司 | Liquid flow monitor |
| CN108007526A (en) * | 2016-11-02 | 2018-05-08 | 郑州富铭环保科技有限公司 | One kind is based on double light path pipeline liquid level detection device |
| CN108061670A (en) * | 2016-11-09 | 2018-05-22 | 郑州富铭环保科技有限公司 | One kind takes liquid detection device |
-
2014
- 2014-06-20 CN CN201420345617.2U patent/CN203908631U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949723A (en) * | 2015-06-30 | 2015-09-30 | 开平市中青环保技术服务有限公司 | Liquid flow monitor |
| CN108007526A (en) * | 2016-11-02 | 2018-05-08 | 郑州富铭环保科技有限公司 | One kind is based on double light path pipeline liquid level detection device |
| CN108061670A (en) * | 2016-11-09 | 2018-05-22 | 郑州富铭环保科技有限公司 | One kind takes liquid detection device |
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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: 20141029 Termination date: 20150620 |
|
| EXPY | Termination of patent right or utility model |