CN201047791Y - Filter clogging alarm device - Google Patents
Filter clogging alarm device Download PDFInfo
- Publication number
- CN201047791Y CN201047791Y CNU2007200703604U CN200720070360U CN201047791Y CN 201047791 Y CN201047791 Y CN 201047791Y CN U2007200703604 U CNU2007200703604 U CN U2007200703604U CN 200720070360 U CN200720070360 U CN 200720070360U CN 201047791 Y CN201047791 Y CN 201047791Y
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- pressure difference
- warning device
- contact
- plugged filter
- bolt
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Abstract
The utility model discloses a filter blockage alarming device, which comprises a pressure-difference signal collecting device and an alarming unit, wherein, the pressure-difference signal collecting device comprises a pressure-difference sensing chamber and a signal transforming chamber, the left end and the right end of the pressure-difference sensing chamber are respectively communicated with a water inlet pipe and a water outlet pipe, the interior of the pressure-difference sensing chamber is provided with a valve and a lever connected with the valve, a mandril with the lower end being contacted with the right section of the lever is arranged inside the signal transforming chamber, a lower spring baffle plate, a spring and an upper spring baffle plate are arranged on the mandril, and the upper spring baffle plate is fixed through a first bolt; the upper end of the mandril is connected with a moving contact, two fixed contacts are arranged above the moving contact, the two fixed contacts are insulated to each other and are fixed on a fixed plate, the fixed plate is fixed through a second bolt, the two fixed contacts are connected with an external alarming unit through a conductor wire, and a retarder is arranged inside the alarming unit. When the filter is blocked for a period of time, the utility model can correctly sends out the sound to make alarm, and can also prevent the mistake alarming caused by the fluctuation of the water flow pressure.
Description
Technical field
The utility model relates to a kind of warning device, particularly a kind of plugged filter warning device.
Background technology
The tugboat job task of offshore operation comprises navigator, ejection, dilatory etc.The cooling system power source of its towboat unit and the engine of towboat are often integrated.The cooling system of this towboat is directly the water suction in the rivers,lakes and seas, discharges in rivers,lakes and seas through taking away heat behind the subcooler again.Because of rivers,lakes and seas seriously polluted, the cooling system that floating thing and various algae are drawn into towboat constantly causes equipment failure, though the intake of cooling system has filter screen, also can only remove bigger foreign material, and less foreign material filtering can only rely on fine filtrator is installed in the pipeline.In order to guarantee the normal operation of cooling system, general maintainer will regularly carry out the disintegration cleaning of cooling system and safeguard that this moment, towboat can only be stopped using, and wasted time and energy very much.In the entire job process of towboat, owing to constantly will adjust the load of engine, answer back to, beat about the bush etc. such as push-and-pull, little when big during the throttle of engine, low when high in the rotating speed of engine is also followed, so the circulating water flow of cooling system is little when big also the time, fluctuate, allow the maintainer can't accurately judge the situation of cooling system flow circuit, spot check is usually come back after a vain attempt, and efficient is lower.
Also usually this thing happens in other various filter plants, the plugged filter degree often is difficult to judge, usually all be manually to disintegrate termly to unpick and wash, need the operation of arrestment this moment, and this kind blindness is unpicked and washed and is wasted time and energy, and often be that filtrator has been unpicked and washed nonclogging the time, stop up and but do not unpick and wash when serious, have a strong impact on operation stability of equipment.Therefore how to judge accurately that the plugged filter situation becomes important topic.
The utility model content
The purpose of this utility model is to provide a kind of plugged filter warning device, can accurately send the sound in plugged filter to a certain degree the time and report to the police, and can avoid the wrong report that causes because of the water flow pressure fluctuation simultaneously again.
The utility model is achieved in that a kind of plugged filter warning device, comprise water inlet pipe, rising pipe and filtrator, the filtrator front end is a water inlet pipe, the rear end is a rising pipe, it is characterized in that: described plugged filter warning device also comprises pressure difference signal harvester and alarm unit, the pressure difference signal harvester is made up of pressure difference sensing chamber and conversion of signals chamber, wherein:
The pressure difference sensing chamber interior is a through cavity, its left end links by a front end intake pipe and water inlet pipe, its right-hand member links by a rear end intake pipe and rising pipe, left end is set with a lining in the cavity of pressure difference sensing chamber, and lining central authorities offer waterway, and the lining right-hand member has a valve seat, one corresponding valve is arranged on the valve seat limit, valve top is fixedly connected with a lever, and the lever left end becomes hinge connection with lining, and the right section of lever has angle with valve;
The conversion of signals chamber includes a case, case is fixedly installed on the pressure difference sensing chamber, be provided with a push rod in the case, this push rod lower end is stretched into from the 3rd aperture on the pressure difference sensing chamber, contact with the right section of lever, the inner push rod hypomere of case is provided with spring stop, the lower spring baffle plate is provided with a spring, spring is provided with a upper spring baffle plate, stretch out from the 5th aperture on this upper spring baffle plate the push rod upper end, the push rod upper end is provided with a moving contact, and described moving contact top is provided with the static contact of two mutual insulatings, and two static contacts are connected with alarm unit by lead.
Offer first through hole on the described case, offer on the upper spring baffle plate and first through hole corresponding the 4th screw up and down, correspondence is provided with first bolt in first through hole, the 4th screw, and first bolt is fixed by the 4th screw and upper spring plate; The first bolt epimere has an annular slot, and annular slot is provided with a stop card, and the stop card is fixedly installed on the case.
Offer second screw on the described case, this second screw connects second bolt, and the second bolt lower end is set with a fixed head, fixedly installs two binding posts on the fixed head, and two static contacts are fixedlyed connected respectively with two binding posts.
Described alarm unit comprises power supply, chronotron, hummer, contact-making switch, contact-making switch connects two indoor static contacts of conversion of signals through lead, one normally opened contact is arranged on the chronotron, the normally opened contact of hummer and chronotron is connected in series in both ends of power, is connected in parallel on both ends of power after chronotron and the contact-making switch series connection.
Described front end intake pipe is all fixedlyed connected with the left and right end in pressure difference sensing chamber respectively by a spiral interface with the rear end intake pipe; Respectively be provided with a tensimeter on described front end intake pipe and the rear end intake pipe; It is indoor that described lining is fixed on pressure difference sensing by dogbolt; Angle between its right section of described lever and the valve is 60 to spend to 90 degree; Be provided with O-ring seal in described the 3rd aperture; One wire guide is arranged on the described case, be provided with rubber band in the wire guide, lead passes in this rubber band.
Operation logic of the present utility model is: when filtrator does not stop up or stops up when not serious, the filtrator pressure at two ends is more or less the same, the valve closing that pressure difference sensing is indoor or its aperture are very little, the moving contact and the static contact of push rod upper end are in off-state, promptly disconnect, the chronotron no power causes normally opened contact to be in off-state, thereby the hummer no power can not send alarm sound; As the pressure surge effect, the water inlet pipe internal pressure is greater than rising pipe pressure, though this moment, moving contact was connected closure with static contact, shorter owing to being, because of the effect of chronotron, normally opened contact still is in off-state, and hummer does not send the sound; When because of the pressure surge effect, when causing rising pipe pressure greater than water inlet pipe, valve and valve seat are in closed condition automatically, prevent aqueous reflux.When reaching certain chocking-up degree in the filtrator, valve opening is bigger, and through leverage, push rod makes the moving contact closure that contacts with static contact, the chronotron energising, and behind certain hour, the normally opened contact closure, hummer begins to send alarm sound.After filtrator cleaned, the filtrator pressure at two ends was basic identical, and valve, push rod fall after rise, and contact-making switch disconnects, and normally opened contact disconnects, and hummer stops to report to the police.
Regulate first bolt or second bolt, or regulate both simultaneously, and change the upper-lower position of spring force, static contact, just scalable moving contact and static contact engage required valve opening, also be filtrator two ends pressure reduction conditions, thereby send alarm sound when various different chocking-up degree is set.
What filter in the filtrator can be water, also can be other liquid or gas.
After adopting this device,, do not need the special messenger at every moment to stare at filtrator owing to adopted alarm unit, can accurately judge stopping state in the filtrator, the maintenance of filtrator has had specific aim, has overcome blindness, greatly reduce the equipment operation cost, alleviate working strength, save manpower; Alarm unit has adopted chronotron, thereby moving contact must have contacting of certain hour that hummer is given the alarm with static contact, has prevented that the water flow pressure fluctuation from making moving contact and static contact short-time contact and causing the wrong report of hummer; Adopt first bolt and second bolt of regulating usefulness, sent alerting signal in the time of can conveniently being set in the various chocking-up degree of filtrator.
Description of drawings
Fig. 1 is the utility model plugged filter warning device structural representation;
Fig. 2 is a pressure difference signal harvester synoptic diagram;
Fig. 3 is the first bolt synoptic diagram;
Fig. 4 is the synoptic diagram of first bolt, stop timing on chip;
Fig. 5 is the alarm unit circuit diagram.
Among the figure, 1 filtrator, 2 water inlet pipes, 3 rising pipes, 4 pressure difference signal harvesters, 5 alarm units, 6 front end intake pipes, 7 rear end intake pipes, pressure difference sensing chambers 8,9 linings, 10 dogbolts, 11 waterways, 12 valve seats, 13 valves, 14 levers, conversion of signals chambers 15,16 cases, 17 push rods, 18 the 3rd apertures, 19 lower spring baffle plates, 20 springs, 21 upper spring baffle plates, 22 tensimeters, 23 spiral interfaces, 24 O-ring seals, 25 the 5th apertures, 26 first bolts, 27 first through holes, 28 the 4th screws, 29 annular slots, 30 stop cards, 31 moving contacts, 32 static contacts, 33 second screws, 34 second bolts, 35 fixed heads, 36 binding posts, 37 wire guides, 38 rubber bands; The T chronotron, the normally opened contact of T1 chronotron, K
PContact-making switch, Z hummer, E power supply.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1, Fig. 2, a kind of plugged filter warning device comprises filtrator 1, water inlet pipe 2, rising pipe 3, pressure difference signal harvester 4 and alarm unit 5.Filtrator 1 front end is a water inlet pipe 2, and the rear end is a rising pipe 3.
Referring to Fig. 2, pressure difference signal harvester 4 comprises: pressure difference sensing chamber 8 and conversion of signals chamber 15,8 inside, pressure difference sensing chamber are a through cavity, its left end links by front end intake pipe 6 and water inlet pipe 2, its right-hand member links by rear end intake pipe 7 and rising pipe 3, and front end intake pipe 6 is all fixedlyed connected with pressure difference sensing chamber 8 left and right ends respectively by a spiral interface 23 with rear end intake pipe 7.Respectively be provided with a tensimeter 22 on front end intake pipe 6 and the rear end intake pipe 7; Left end is set with a lining 9 in 8 cavitys of pressure difference sensing chamber, one dogbolt 10 is arranged on pressure difference sensing chamber 8 and the lining 9, this dogbolt 10 prevents that lining 9 from moving in pressure difference sensing chamber 8, lining 9 central authorities offer waterway 11, lining 9 right-hand members have a valve seat 12, and a corresponding valve 13 is arranged on valve seat 12 limits, and valve 13 tops are fixedly connected with a lever 14,9 one-tenth hinge connections of lever 14 left ends and lining, 13 one-tenth 90 degree of lever 14 right sections and valve angle.
Conversion of signals chamber 15 comprises a case 16, case 16 is fixedly installed on the pressure difference sensing chamber 8, is provided with a push rod 17 in the case 16, and these push rod 17 lower ends are stretched into from the 3rd aperture 18 on the pressure difference sensing chamber 8, contact with lever 14 right sections, be provided with O-ring seal 24 in the 3rd aperture 18.Push rod 17 hypomeres are provided with spring stop 19 in the case 16, lower spring baffle plate 19 is provided with a spring 20, spring 20 is provided with a upper spring baffle plate 21, and stretch out from the 5th aperture 25 on this upper spring baffle plate 21 push rod 17 upper ends, and push rod 17 upper spring baffle plate 21 relatively moves up and down.Offer first through hole 27 on the case 16, offer on the upper spring baffle plate 21 and first through hole, 27 corresponding the 4th screws 28, correspondence is provided with first bolt 26 in first through hole 27, the 4th screw 28, first bolt, 26 hypomeres have screw thread, and first bolt 26 is fixing with upper spring plate 21 by the 4th screw 28.Referring to Fig. 3, Fig. 4, first bolt, 26 epimeres have an annular slot 29, and annular slot 29 is provided with a stop card 30, and stop card 30 is fixedly installed on the case 16, by rotating first bolt 26, can change the upper-lower position of upper spring baffle plate 21.Push rod 17 upper ends are provided with a moving contact 31, and moving contact 31 tops are provided with the static contact 32 of two mutual insulatings.One second screw 33 is arranged on the case 16, second screw 33 connects second bolt 34, second bolt 34 can carry out moving up and down with respect to case 16 by rotation, second bolt, 34 lower ends are fixedly connected with a fixed head 35, fixed head 35 is an insulcrete, be set with two binding posts 36 on the fixed head 35, two static contacts 32 that are positioned at fixed head 35 belows are connected with two binding posts 36 respectively.One wire guide 37 is arranged on the described case 16, be provided with rubber band 38 in the wire guide 37, lead one end connects binding post 36 backs and passes in this rubber band 38, and the lead other end connects contact-making switch K
P
Referring to Fig. 5, alarm unit 5 comprises power supply E, chronotron T, hummer Z, contact-making switch K
P, contact-making switch K
PTwo static contacts 32 in lead connects conversion of signals chamber 15 have a normally opened contact T1 on the chronotron T, the normally opened contact T1 of hummer Z and chronotron is connected in series in power supply E two ends, chronotron T and contact-making switch K
PBe connected in parallel on power supply E two ends after the series connection.
When filtrator 1 does not stop up or stops up when not serious, filtrator 1 pressure at two ends is more or less the same, the valves 13 in the pressure difference sensing chamber 8 close or its aperture very little, the moving contact 31 and the static contact 32 of push rod 17 upper ends are in off-state, i.e. K
PDisconnect, chronotron T no power causes normally opened contact T1 to be in off-state, thereby hummer Z no power can not send alarm sound; As the pressure surge effect, water inlet pipe 2 internal pressures are greater than rising pipe 3 pressure, though this moment, moving contact 31 was connected closure with static contact 32, shorter owing to being, because of the effect of chronotron T, normally opened contact T1 still is in off-state, and hummer Z does not send the sound; When because of the pressure surge effect, when causing rising pipe 3 pressure greater than water inlet pipe 2, valve 13 is in closed condition automatically with valve seat 12, prevents aqueous reflux.When reaching certain chocking-up degree in the filtrator 1, valve 13 apertures are bigger, and through lever 14 effect, push rod 17 makes moving contact 31 closure that contacts with static contact 32, contact-making switch K
PClosure, chronotron T energising, behind certain hour, the normally opened contact T1 closure of chronotron, hummer Z begins to send alarm sound.After filtrator 1 cleaned, filtrator 1 pressure at two ends was basic identical, and valve 13, push rod 17 fall contact-making switch K after rise
PDisconnect, normally opened contact T1 disconnects, and hummer Z stops to report to the police.
Regulate first bolt 26 or second bolt 34, or regulate both simultaneously, can change the upper-lower position of spring 20 elastic force or static contact 32, thereby change moving contact 31 and required valve 13 apertures of static contact 32 joints, also be filtrator 1 two ends pressure reduction condition, thus the alarm sound that sends when various different chocking-up degree can be set.
More than by embodiment embodiment of the present utility model has been described; but it should be understood that; here concrete description should not be construed as the qualification to essence of the present utility model and scope; the various modifications that the one of ordinary skilled in the art makes the foregoing description after reading this instructions all belong to the scope that the utility model is protected.
Claims (10)
1. plugged filter warning device, comprise water inlet pipe, rising pipe and filtrator, the filtrator front end is a water inlet pipe, the rear end is a rising pipe, it is characterized in that: described plugged filter warning device also comprises pressure difference signal harvester and alarm unit, the pressure difference signal harvester is made up of pressure difference sensing chamber and conversion of signals chamber, wherein:
The pressure difference sensing chamber interior is a through cavity, its left end links by a front end intake pipe and water inlet pipe, its right-hand member links by a rear end intake pipe and rising pipe, left end is set with a lining in the cavity of pressure difference sensing chamber, and lining central authorities offer waterway, and the lining right-hand member has a valve seat, one corresponding valve is arranged on the valve seat limit, valve top is fixedly connected with a lever, and the lever left end becomes hinge connection with lining, and the right section of lever has angle with valve;
The conversion of signals chamber includes a case, case is fixedly installed on the pressure difference sensing chamber, be provided with a push rod in the case, this push rod lower end is stretched into from the 3rd aperture on the pressure difference sensing chamber, contact with the right section of lever, the inner push rod hypomere of case is provided with spring stop, the lower spring baffle plate is provided with a spring, spring is provided with a upper spring baffle plate, stretch out from the 5th aperture on this upper spring baffle plate the push rod upper end, the push rod upper end is provided with a moving contact, and described moving contact top is provided with the static contact of two mutual insulatings, and two static contacts are connected with alarm unit by lead.
2. plugged filter warning device according to claim 1, it is characterized in that: offer first through hole on the described case, offer on the upper spring baffle plate and first through hole corresponding the 4th screw up and down, correspondence is provided with first bolt in first through hole, the 4th screw, and first bolt is fixed by the 4th screw and upper spring plate; The first bolt epimere has an annular slot, and annular slot is provided with a stop card, and the stop card is fixedly installed on the case.
3. plugged filter warning device according to claim 1, it is characterized in that: offer second screw on the described case, this second screw connects second bolt, the second bolt lower end is set with a fixed head, fixedly install two binding posts on the fixed head, two static contacts are fixedlyed connected respectively with two binding posts.
4. plugged filter warning device according to claim 1, it is characterized in that: described alarm unit comprises power supply, chronotron, hummer, contact-making switch, contact-making switch connects two indoor static contacts of conversion of signals through lead, one normally opened contact is arranged on the chronotron, the normally opened contact of hummer and chronotron is connected in series in both ends of power, is connected in parallel on both ends of power after chronotron and the contact-making switch series connection.
5. plugged filter warning device according to claim 1 is characterized in that: described front end intake pipe is all fixedlyed connected with the left and right end in pressure difference sensing chamber respectively by a spiral interface with the rear end intake pipe.
6. plugged filter warning device according to claim 5 is characterized in that: respectively be provided with a tensimeter on described front end intake pipe and the rear end intake pipe.
7. plugged filter warning device according to claim 1 is characterized in that: it is indoor that described lining is fixed on pressure difference sensing by dogbolt.
8. plugged filter warning device according to claim 1 is characterized in that: the angle between its right section of described lever and the valve is 60 to spend to 90 degree.
9. plugged filter warning device according to claim 1 is characterized in that: be provided with O-ring seal in described the 3rd aperture.
10. plugged filter warning device according to claim 1 is characterized in that: a wire guide is arranged on the described case, be provided with rubber band in the wire guide, lead passes in this rubber band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200703604U CN201047791Y (en) | 2007-05-29 | 2007-05-29 | Filter clogging alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200703604U CN201047791Y (en) | 2007-05-29 | 2007-05-29 | Filter clogging alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201047791Y true CN201047791Y (en) | 2008-04-16 |
Family
ID=39300379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200703604U Expired - Fee Related CN201047791Y (en) | 2007-05-29 | 2007-05-29 | Filter clogging alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201047791Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100587436C (en) * | 2008-05-06 | 2010-02-03 | 中国人民解放军军事医学科学院卫生装备研究所 | Overpressure and negative-pressure protecting device monitoring and alarm system |
| 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 |
| CN104454128A (en) * | 2013-09-24 | 2015-03-25 | 宝山钢铁股份有限公司 | Wharf tug air cooler pneumatic pressure difference control alarming device |
| CN107328698A (en) * | 2017-06-15 | 2017-11-07 | 北京零壹空间科技有限公司 | A kind of system and method for detecting the change of pneumatic filter pressure difference |
| CN109276938A (en) * | 2017-07-19 | 2019-01-29 | 青岛经济技术开发区海尔热水器有限公司 | The judgment method in water purifier and its RO membrane filter service life |
| CN113758628A (en) * | 2021-08-27 | 2021-12-07 | 苏州尚科洁净技术有限公司 | Pollution warning device with reset function |
-
2007
- 2007-05-29 CN CNU2007200703604U patent/CN201047791Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100587436C (en) * | 2008-05-06 | 2010-02-03 | 中国人民解放军军事医学科学院卫生装备研究所 | Overpressure and negative-pressure protecting device monitoring and alarm system |
| 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 |
| CN104454128A (en) * | 2013-09-24 | 2015-03-25 | 宝山钢铁股份有限公司 | Wharf tug air cooler pneumatic pressure difference control alarming device |
| CN107328698A (en) * | 2017-06-15 | 2017-11-07 | 北京零壹空间科技有限公司 | A kind of system and method for detecting the change of pneumatic filter pressure difference |
| CN109276938A (en) * | 2017-07-19 | 2019-01-29 | 青岛经济技术开发区海尔热水器有限公司 | The judgment method in water purifier and its RO membrane filter service life |
| CN113758628A (en) * | 2021-08-27 | 2021-12-07 | 苏州尚科洁净技术有限公司 | Pollution warning device with reset function |
| CN113758628B (en) * | 2021-08-27 | 2023-12-22 | 苏州尚科洁净技术有限公司 | Pollution warning device with reset function |
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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: 20080416 Termination date: 20150529 |
|
| EXPY | Termination of patent right or utility model |