CN1484012A - Sensor system for pressure difference type detecting filter blocking state - Google Patents
Sensor system for pressure difference type detecting filter blocking state Download PDFInfo
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- CN1484012A CN1484012A CNA031400833A CN03140083A CN1484012A CN 1484012 A CN1484012 A CN 1484012A CN A031400833 A CNA031400833 A CN A031400833A CN 03140083 A CN03140083 A CN 03140083A CN 1484012 A CN1484012 A CN 1484012A
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- filtrator
- filter
- plugged filter
- sensor
- differential pressure
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Abstract
The invention discloses a differential pressure sensor system to detect the blocking state of the filter, including the filter, the sensors set on the water entrance and exit of the filter and linked with identifying logic cell, the sensors producing stress variation under the action of water pressure, the identifying logic cell identifying if the filter is blocked according to the stress signal change, and outputting the corresponding information in control system or control cell. It can automatically and exactly prompt the user to change the filter.
Description
Technical field
The present invention relates to a kind of duct type filtering system, particularly a kind of water treatment filter pipeline system.
Background technology
In present water treatment filter pipeline system, particularly in some small-sized device systems that water purification or pure water be provided, filtrator through long-time filtration to sewage after, will change.Detecting filtrator degree method contaminated or that stop up at present has following several:
First kind: adopt by individual subjective consciousness and go to think that its quality changes, this has relatively high expectations to the user's, so be difficult to promote.
Second kind: by calculating the sum of current through filter, when reaching predetermined value, total water-flowing amount changes filtrator, but this method even flow rate calculation is accurate in the use, the different quality situation is when identical flow, it is also different with situation about stopping up that filtrator pollutes, thereby this method also is difficult to widespread use.
The third: the length by service time is changed filtrator, but this method is a general computing method, in the identical time, the source quality of various places and water flowing flow are not simultaneously, filtrator pollutes and the situation of obstruction differs greatly, thereby this method also can't accurately detect the actual operating position of filtrator.
The 4th kind: carry out photoelectric method by advanced person's equipment and instrument and detect filtrator, this method must split out filtrator, utilizes the way of the particle folded light beam that filter surfaces adheres to detect, and generally only use in the laboratory, thereby not all user can accomplish.
Thereby general manufacturer gives user prompt is after using approximately what ton water or how long using, must change filtrator, use the water quality at water source to change according to the locality again simultaneously, but how the user does not know its source quality situation, therefore, on the time of whole assurance replacing filtrator all is fuzzy concept, makes the user at a loss as to what to do.
Summary of the invention
In order to overcome the deficiencies in the prior art, the pressure difference method that the invention provides a kind of water intake end that utilizes filtrator and water side detects the sensor-based system of plugged filter situation.
The technical solution adopted for the present invention to solve the technical problems is: a kind of sensor-based system of differential detection plugged filter situation comprises filtrator, into and out of water end (W.E.) differential pressure pickup is installed at filtrator, differential pressure pickup is differentiated logical block with plugged filter and is connected, differential pressure pickup is subjected to the effect generation STRESS VARIATION of hydraulic pressure, whether the stress signal that plugged filter differentiation logical block is sent by differential pressure pickup changes the differentiation filtrator and stops up, and exports corresponding information to control system or control module; Described filtrator is for having the filtrator of pressure reduction in one or more levels water treatment filter pipeline system; Described filtrator is wire-wound filtrator, PP filtrator, block absorbent charcoal filtrator, micro-filtration filtrator, ultra filtration filter, nanofiltration filtrator, RO filtrator; Described differential pressure pickup is two pressure transducer or differential pressure transducers of being installed in filtrator into and out of water end (W.E.) respectively; It is logical circuit that described plugged filter is differentiated logical block; Described control system or control module are the display screen of control circuit driving and/or the microphone device of auditory tone cues.
The invention has the beneficial effects as follows: utilize the pressure transducer be installed in filtrator water intake end and water side to test pressure differential between it, after the setting value in pressure difference value reaches plugged filter differentiation logical block, control system or control module will point out the user to change filtrator automatically and accurately, thereby not have source quality, factor affecting users such as water-flowing amount or service time judge.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a structural representation of the present invention.
Embodiment
With reference to Fig. 1, a kind of sensor-based system of differential detection plugged filter situation, comprise filtrator 1, at filtrator 1 differential pressure pickup 2 is installed, differential pressure pickup 2 is differentiated logical block 3 with plugged filter and is connected, when the input end of water from filtrator 1 enters, flow out from output terminal, when the pressure of input end is P1, when the pressure of output terminal is P2, because filtrator 1 has the choked flow effect, thereby P1＞P2, during work, its pressure reduction PV=P1-P2, progressively become big along with the accumulation of impurity screening and cause conveyance capacity progressively to weaken, after differential pressure pickup 2 detected the PV value and reaches plugged filter and differentiate setting value in the logical block 3, the conveyance capacity of expression filtrator 1 can not satisfy the requirement of operate as normal, and control system or control module 4 will point out the user to change filtrator 1 at this moment.
Differential pressure pickup 2 of the present invention can be two pressure transducer or differential pressure transducers that are installed in filtrator into and out of water end (W.E.) respectively.And plugged filter differentiation logical block 3 is a logical circuit; its control system or control module 4 are the display screen of control circuit driving and/or the microphone device of auditory tone cues; can hold the time of changing filtrator exactly by top method user; no matter thereby use which kind of mode; as long as it reaches technique effect of the present invention with essentially identical means, all should belong to protection scope of the present invention.
The present invention be applied to for the filtrator that has pressure reduction in one or more levels water treatment filter pipeline system as wire-wound filtrator, PP filtrator, block absorbent charcoal filtrator, micro-filtration filtrator, ultra filtration filter, nanofiltration filtrator, RO filtrator etc., in the cascade filtration system, set reference point at different levels respectively, then every grade of filtrator get dirty or stop up after can both accurately point out replacing.
The present invention utilize pressure transducer 2 pressure differentials of filtrator front and back end and plugged filter differentiate logical block 3 built-in accurately point out the user to change filtrator with reference to pressure ratio, thereby be not subjected to the influence of water quality, water-flowing amount and service time, thereby be widely used in central water supply filtering system or fluid line drink (pure) water machine.
Claims (6)
1. the sensor-based system of a differential detection plugged filter situation, comprise filtrator (1), what it is characterized in that filtrator (1) is equipped with differential pressure pickup (2) into and out of water end (W.E.), differential pressure pickup (2) is differentiated logical block (3) with plugged filter and is connected, differential pressure pickup (2) is subjected to the effect generation STRESS VARIATION of hydraulic pressure, whether the stress signal that plugged filter differentiation logical block (3) is sent by differential pressure pickup (2) changes differentiation filtrator (1) and stops up, and exports corresponding information to control system or control module (4).
2. the sensor-based system of a kind of differential detection plugged filter situation according to claim 1 is characterized in that described filtrator (1) is for having the filtrator of pressure reduction in one or more levels water treatment filter pipeline system.
3. according to claim 1, the sensor-based system of 2 described a kind of differential detection plugged filter situations is characterized in that described filtrator (1) is wire-wound filtrator, PP filtrator, block absorbent charcoal filtrator, micro-filtration filtrator, ultra filtration filter, nanofiltration filtrator, RO filtrator.
4. the sensor-based system of a kind of differential detection plugged filter situation according to claim 1 is characterized in that described differential pressure pickup (2) is two pressure transducer or differential pressure transducers that are installed in filtrator into and out of water end (W.E.) respectively.
5. the sensor-based system of a kind of differential detection plugged filter situation according to claim 1 is characterized in that it is logical circuit that described plugged filter is differentiated logical block (3).
6. the sensor-based system of a kind of differential detection plugged filter situation according to claim 1 is characterized in that described control system or control module (4) are the display screen of control circuit driving and/or the microphone device of auditory tone cues.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031400833A CN1484012A (en) | 2003-08-04 | 2003-08-04 | Sensor system for pressure difference type detecting filter blocking state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031400833A CN1484012A (en) | 2003-08-04 | 2003-08-04 | Sensor system for pressure difference type detecting filter blocking state |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1484012A true CN1484012A (en) | 2004-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA031400833A Pending CN1484012A (en) | 2003-08-04 | 2003-08-04 | Sensor system for pressure difference type detecting filter blocking state |
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| CN (1) | CN1484012A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100431661C (en) * | 2004-08-17 | 2008-11-12 | 王惠生 | Method for monitoring blockage status of mechanical filter |
| CN102169044A (en) * | 2009-12-21 | 2011-08-31 | 株式会社山武 | Pressure guiding tube blockage diagnosing device and blockage diagnosing method |
| CN102252494A (en) * | 2011-08-02 | 2011-11-23 | 合肥美的荣事达电冰箱有限公司 | Water filtration device of refrigerator and failure detection method for water filter of refrigerator |
| CN102698497A (en) * | 2012-06-14 | 2012-10-03 | 广州市益民饮用水技术有限公司 | Automatic diagnostic technique for complete equipment for water supply by different qualities |
| TWI385353B (en) * | 2009-12-17 | 2013-02-11 | ||
| CN103852398A (en) * | 2014-03-12 | 2014-06-11 | 上海夏普电器有限公司 | Method for detecting failure of static pressure difference of dust-collection filter screen based on temperature correction |
| CN103994331A (en) * | 2014-06-13 | 2014-08-20 | 上海市城市建设设计研究总院 | Device for monitoring and slowing down blocking of sludge pipe |
| CN104214520A (en) * | 2014-08-28 | 2014-12-17 | 武汉光谷节能技术有限公司 | District cooling and heating transportation and distribution pipe network health check system |
| CN105178392A (en) * | 2015-09-10 | 2015-12-23 | 重庆和航物联网技术研究院有限公司 | Pipeline closing or blocking monitoring method and system for fire water supply system |
| CN109374474A (en) * | 2018-12-05 | 2019-02-22 | 海宁市英德赛电子有限公司 | Electronic grade high-purity ammonia micro impurity element fast testing system |
| CN110537842A (en) * | 2015-01-20 | 2019-12-06 | 松下知识产权经营株式会社 | Beverage supply device |
| CN110892204A (en) * | 2017-07-06 | 2020-03-17 | 近藤工业株式会社 | Filter clogging measuring device for air conditioning equipment and air conditioning equipment |
| CN110987407A (en) * | 2019-12-31 | 2020-04-10 | 无锡锡州机械有限公司 | Detection control method, control device and system for cast aluminum heat exchanger |
-
2003
- 2003-08-04 CN CNA031400833A patent/CN1484012A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100431661C (en) * | 2004-08-17 | 2008-11-12 | 王惠生 | Method for monitoring blockage status of mechanical filter |
| TWI385353B (en) * | 2009-12-17 | 2013-02-11 | ||
| CN102169044A (en) * | 2009-12-21 | 2011-08-31 | 株式会社山武 | Pressure guiding tube blockage diagnosing device and blockage diagnosing method |
| CN102252494A (en) * | 2011-08-02 | 2011-11-23 | 合肥美的荣事达电冰箱有限公司 | Water filtration device of refrigerator and failure detection method for water filter of refrigerator |
| CN102698497A (en) * | 2012-06-14 | 2012-10-03 | 广州市益民饮用水技术有限公司 | Automatic diagnostic technique for complete equipment for water supply by different qualities |
| CN103852398A (en) * | 2014-03-12 | 2014-06-11 | 上海夏普电器有限公司 | Method for detecting failure of static pressure difference of dust-collection filter screen based on temperature correction |
| CN103994331A (en) * | 2014-06-13 | 2014-08-20 | 上海市城市建设设计研究总院 | Device for monitoring and slowing down blocking of sludge pipe |
| CN104214520A (en) * | 2014-08-28 | 2014-12-17 | 武汉光谷节能技术有限公司 | District cooling and heating transportation and distribution pipe network health check system |
| CN104214520B (en) * | 2014-08-28 | 2017-12-15 | 武汉光谷节能技术有限公司 | District cooling and heating transmission and distribution network health check system |
| CN110537842A (en) * | 2015-01-20 | 2019-12-06 | 松下知识产权经营株式会社 | Beverage supply device |
| CN105178392A (en) * | 2015-09-10 | 2015-12-23 | 重庆和航物联网技术研究院有限公司 | Pipeline closing or blocking monitoring method and system for fire water supply system |
| CN110892204A (en) * | 2017-07-06 | 2020-03-17 | 近藤工业株式会社 | Filter clogging measuring device for air conditioning equipment and air conditioning equipment |
| CN110892204B (en) * | 2017-07-06 | 2022-04-26 | 剑桥过滤器有限公司 | Filter clogging measuring device for air conditioning equipment and air conditioning equipment |
| CN109374474A (en) * | 2018-12-05 | 2019-02-22 | 海宁市英德赛电子有限公司 | Electronic grade high-purity ammonia micro impurity element fast testing system |
| CN110987407A (en) * | 2019-12-31 | 2020-04-10 | 无锡锡州机械有限公司 | Detection control method, control device and system for cast aluminum heat exchanger |
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