CN101220811B - Automatic vacuum detection system of water feeding pump - Google Patents
Automatic vacuum detection system of water feeding pump Download PDFInfo
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- CN101220811B CN101220811B CN200710072948.8A CN200710072948A CN101220811B CN 101220811 B CN101220811 B CN 101220811B CN 200710072948 A CN200710072948 A CN 200710072948A CN 101220811 B CN101220811 B CN 101220811B
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- pump
- vacuum
- water
- diversion
- water pump
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- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention provides a water pump vacuum automatic detection system, comprising a successful water diversion detection device which is used for detecting the water diversion situation of the water pump when the vacuum pump is started and the water pump is vacuumized and outputting a successful water diversion detection signal, and a water pump on/off automatic control system which is used for starting the water pump and closing the vacuum pump according to the successful water diversion detection signal. By adopting the successful water diversion detection device, the invention achieves automatic detection by vacuuming the water pump with the vacuum pump before the water pump is started, implements the starting or closing of the water pump under the control of the water pump on/off automatic control system, avoids manual operation in-situ, and realizes unmanned control of a pump room. Furthermore, the invention has the advantages of extremely little system investment, simple and visible principle, stable and reliable operation, and extremely good application value and social benefits.
Description
Technical field
The present invention relates to tap water feedwater field, relate in particular to a kind of automatic vacuum detection system of water feeding pump.
Background technique
At present, waterworks clear water reserviors are all built in below ground, and the conveying pump in most conveying pumps room all adopts liquid above formula conveying pump, and the prerequisite that liquid above formula conveying pump starts is that conveying pump and water inlet pipe thereof need be full of water (without air).Please refer to shown in Fig. 1, this conveying pump 1 need to be by operator's manual unlocking vacuum valve 4 before startup, open vacuum pump 2, conveying pump 1 and water inlet pipe 3 thereof are vacuumized, water lower than the conveying pump 1 entrance water surface is introduced in conveying pump 1, and see that by site operation personnel the waste pipe 6 of vacuum pump 2 emits that after water, (now conveying pump 1 and water inlet pipe 3 thereof have all been full of water, vacuum forms), manually boot just now conveying pump 1, then stop vacuum pump 2, close vacuum valve 4.
This scheme needs cumbersome artificial on-site manual operation, and need Field Force to witness after waste pipe 6 is emitted water and could determine that vacuum forms, not only waste of manpower, and also whole workflow cannot realize automated operation.
Summary of the invention
The technical problem that the embodiment of the present invention will solve is, overcome the deficiency that above-mentioned prior art exists, a kind of automatic vacuum detection system of water feeding pump is provided, cumbersome operation is manually become to automatic control operation, thereby realize conveying pump room unmanned, automatically operation.
For solving the problems of the technologies described above, the embodiment of the present invention provides a kind of automatic vacuum detection system of water feeding pump, comprising:
Diversion success detection device, detects the diversion situation of conveying pump when conveying pump is vacuumized for starting at vacuum pump, and exports diversion success testing signal; And
Automatic control system left/stops by water pump, for opening conveying pump and close vacuum pump according to described diversion success testing signal;
Wherein diversion success detection device is arranged on vacuum pump drainage pipe end, comprises collecting annulus and water level detection switch, and described collecting annulus bottom is provided with discharge orifice, for discharging the water of collecting annulus;
When the water level in described collecting annulus reaches predetermined value, described water level detection switch is closed and send diversion success testing signal and open/stop automatic control system to described water pump; After described collecting annulus discharges water, described water level detection switch disconnects and resets;
Wherein, described collecting annulus have one communicate with atmosphere uncovered.
The embodiment of the present invention has following useful effect: by diversion success detection device is set, before conveying pump starts, using vacuum pump to vacuumize to realize automatically to it detects, and under automatic controlling system is opened/stopped to conveying pump, complete conveying pump startup or close down, remove on-the-spot manual operation from, realized the unmanned of pump house.And system investment seldom, principle is simple and clear, and stable and reliable operation has good using value and social benefit.
Accompanying drawing explanation
Fig. 1 is existing conveying pump operating structure schematic diagram.
Fig. 2 is conveying pump operating structure schematic diagram in the embodiment of the present invention.
Fig. 3 is the structural drawing of diversion success detection device in the embodiment of the present invention.
Fig. 4 is the schematic diagram that in the embodiment of the present invention, automatic control system left/stopped by water pump.
Fig. 5 is the control principle drawing of conveying pump in the embodiment of the present invention.
Fig. 6 is the control principle drawing of embodiment of the present invention intermediate pump.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of the present invention is described in detail.
Please refer to shown in Fig. 2, embodiment of the present invention automatic vacuum detection system of water feeding pump mainly comprises that water pump leaves/stop automatic control system and diversion success detection device.
Please be simultaneously in conjunction with shown in Fig. 3, diversion success detection device is arranged on the draining grain 9 of waste pipe 6 (diameter 50mm) end that is arranged in vacuum pump 2, can receive the water of waste pipe 6 discharges.Draining grain 9 is of a size of long 400mm, wide 400mm, high 550mm.Diversion success detection device comprises collecting annulus 10 and water level detection switch 11, diversion success, water level detection switch 11 closures; After collecting annulus 10 discharges water, water level detection switch 11 disconnects and resets, so that next vacuum pump 2 becomes the detection of function signal while starting to diversion.Collecting annulus 10 is of a size of long 200mm, wide 400mm, high 300mm.Discharge orifice 13 (diameter 5mm) automatic draining automatically reseting by collecting annulus 10 bottoms completes.The water displacement of vacuum pump 2 is far longer than the water displacement of aperture 13.Vacuum pump 2 is opened, and after diversion success, collecting annulus 10 is no more than 4 seconds from the time that starts water inlet and overflow to full water; Vacuum pump 2 stops, and collecting annulus 10 is discharged into the slack tank time used by full water and is no more than 15 seconds (automatically reseting the time).Vacuum system detects and completely satisfied requirement of producing resetting time.
For guaranteeing that vacuum forms really, vacuum checking device 7 is also provided in the embodiment of the present invention, it is mounted in the electric contact vacuum gauge on vacuum pump 2 intake pipes 5, for the vacuum formation situation of conveying pump and water inlet pipe thereof is detected, and export Vacuum testing signal and open/stop automatic control system to described water pump.Vacuum forms, and (vacuum formation signal is sent to water pump and opens/stop automatic control system electric contact closure; Vacuum does not form, and electric contact disconnects (cut-off signal is sent to water pump and opens/stop automatic control system).
Please more simultaneously with reference to shown in Fig. 4, water pump leaves/stops automatic control system and is electrically connected with described diversion success detection device, conveying pump and vacuum pump respectively, for controlling the unlatching of conveying pump 1 and vacuum pump 2 and closing down, can become function signal and vacuum to form signal according to diversion, automatically open conveying pump 1, close vacuum pump 2, close vacuum solenoid 8.Automatic control process be by programmable controller (PLC) water pump operation system, vacuum system, vacuum are formed detect and diversion success detection system chain, to guarantee the safety automation operation of system, this control system adopts the control principle of manual intelligent, according to the size of water factory's water consumption, by PLC automatic control system, export corresponding control law, determine the number of units of conveying pump working time and operation, thereby realize the unmanned in conveying pump room.
Please, again in conjunction with shown in Fig. 5, Fig. 6, according to the PRODUCTION STATUS of water factory, when needs are opened conveying pump 1, water pump leaves/stops automatic control system and automatically starts vacuum pump 2, opens 8 pairs of pipelines of vacuum solenoid and vacuumizes.Water in water intake well enters conveying pump 1, then in the collecting annulus 10 that is discharged to diversion success detection device by waste pipe 6 via vacuum pump 2.When the water level in collecting annulus 10 reaches predetermined value, water level detection switch 11 closures, become function signal to be transferred to automatic control system diversion.Water pump leaves/stops automatic control system and becomes function signal and vacuum to form signal according to the diversion receiving, and automatically opens conveying pump 1, stops vacuum pump 2, closes vacuum solenoid 8.After this waste pipe 6 no longer includes water, and water in collecting annulus 10 is discharged in rhone 9 by discharge orifice 13, and finally by gutter 12, discharged, so the water level of collecting annulus 10 reduces gradually, water level detection switch 11 is disconnected and reset, so that next vacuum pump 2 becomes the detection of function signal while starting to diversion.Manual vacuum valve 4 as the supplementing of vacuum solenoid 8, if vacuum solenoid 8 breaks down, is enabled manual vacuum valve 4 in the present embodiment.
The embodiment of the present invention is by arranging diversion success detection device, before conveying pump starts, using vacuum pump to vacuumize to realize automatically to it detects, and under automatic controlling system is opened/stopped to conveying pump, complete conveying pump startup or close down, removed on-the-spot manual operation from, realize the unmanned of pump house.And system investment seldom, principle is simple and clear, and stable and reliable operation has good using value and social benefit.
Claims (4)
1. an automatic vacuum detection system of water feeding pump, is characterized in that: comprising:
Diversion success detection device, detects the diversion situation of conveying pump when conveying pump is vacuumized for starting at vacuum pump, and exports diversion success testing signal; And
Automatic control system left/stops by water pump, for opening conveying pump and close vacuum pump according to described diversion success testing signal;
Wherein diversion success detection device is arranged on vacuum pump drainage pipe end, comprises collecting annulus and water level detection switch, and described collecting annulus bottom is provided with discharge orifice, for discharging the water of collecting annulus;
When the water level in described collecting annulus reaches predetermined value, described water level detection switch is closed and send diversion success testing signal and open/stop automatic control system to described water pump; After described collecting annulus discharges water, described water level detection switch disconnects and resets;
Wherein, described collecting annulus have one communicate with atmosphere uncovered.
2. system according to claim 1, is characterized in that: described water pump is opened/stopped automatic control system and comprises programmable controller, is electrically connected respectively with described diversion success detection device, conveying pump and vacuum pump.
3. system according to claim 1, it is characterized in that: also comprise vacuum checking device, be arranged on vacuum pump intake pipe, for the vacuum formation situation to conveying pump and water inlet pipe thereof, detect, and export Vacuum testing signal and open/stop automatic control system to described water pump.
4. system according to claim 3, is characterized in that: described vacuum checking device is electric contact vacuum gauge, and vacuum forms, and electric contact is closed; Vacuum does not form, and electric contact disconnects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710072948.8A CN101220811B (en) | 2007-01-12 | 2007-01-12 | Automatic vacuum detection system of water feeding pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710072948.8A CN101220811B (en) | 2007-01-12 | 2007-01-12 | Automatic vacuum detection system of water feeding pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101220811A CN101220811A (en) | 2008-07-16 |
| CN101220811B true CN101220811B (en) | 2014-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710072948.8A Expired - Fee Related CN101220811B (en) | 2007-01-12 | 2007-01-12 | Automatic vacuum detection system of water feeding pump |
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| Country | Link |
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| CN (1) | CN101220811B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102839290B (en) * | 2012-09-25 | 2013-12-11 | 山西龙镁伟业科技有限公司 | Peer sectional vacuum apparatus of reducing tanks and method |
| CN108150399A (en) * | 2016-12-06 | 2018-06-12 | 辽宁招金白云黄金矿业有限公司 | A kind of water pump priming device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2231330Y (en) * | 1994-06-17 | 1996-07-17 | 张庆玉 | Air extractor for water pump without base valve |
| CN2286776Y (en) * | 1996-05-22 | 1998-07-29 | 胡官元 | Full-pressure-closed water supply device for high building |
| CN2408262Y (en) * | 1999-01-29 | 2000-11-29 | 刘文斌 | Automatic water filler for water pump |
| CN1441128A (en) * | 2003-04-04 | 2003-09-10 | 李永官 | Automatic vacuum pump-free water supply equipment |
| CN2578813Y (en) * | 2002-11-25 | 2003-10-08 | 赵连环 | Sewage measuring samplers |
| CN2797701Y (en) * | 2005-06-21 | 2006-07-19 | 卢景云 | Automatic water filling device for pump |
-
2007
- 2007-01-12 CN CN200710072948.8A patent/CN101220811B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2231330Y (en) * | 1994-06-17 | 1996-07-17 | 张庆玉 | Air extractor for water pump without base valve |
| CN2286776Y (en) * | 1996-05-22 | 1998-07-29 | 胡官元 | Full-pressure-closed water supply device for high building |
| CN2408262Y (en) * | 1999-01-29 | 2000-11-29 | 刘文斌 | Automatic water filler for water pump |
| CN2578813Y (en) * | 2002-11-25 | 2003-10-08 | 赵连环 | Sewage measuring samplers |
| CN1441128A (en) * | 2003-04-04 | 2003-09-10 | 李永官 | Automatic vacuum pump-free water supply equipment |
| CN2797701Y (en) * | 2005-06-21 | 2006-07-19 | 卢景云 | Automatic water filling device for pump |
Non-Patent Citations (1)
| Title |
|---|
| 同上. |
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| Publication number | Publication date |
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| CN101220811A (en) | 2008-07-16 |
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Effective date of registration: 20160920 Address after: 518000 Guangdong Province, Shenzhen city Nanshan District District Science Park Keyuan Road Kexing Science Park Building 2 unit B No. 1202 Patentee after: SHENZHEN JINLING AUTOMATION SYSTEM CO., LTD. Address before: 810 room 3079, Hong Tao building, 518001 South Baoan Road, Guangdong, Shenzhen Patentee before: Zhang Zhuoli Patentee before: Gao Mazhong |
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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: 20140409 Termination date: 20190112 |