CN109340133A - With the centrifugal water pump for automatically controlling anti-dry tap function - Google Patents
With the centrifugal water pump for automatically controlling anti-dry tap function Download PDFInfo
- Publication number
- CN109340133A CN109340133A CN201811486567.9A CN201811486567A CN109340133A CN 109340133 A CN109340133 A CN 109340133A CN 201811486567 A CN201811486567 A CN 201811486567A CN 109340133 A CN109340133 A CN 109340133A
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- China
- Prior art keywords
- water
- water pump
- pump cover
- pipe
- electric machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 166
- 239000013589 supplement Substances 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 241000237858 Gastropoda Species 0.000 claims 1
- 239000007789 gas Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
- F04D15/0209—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid
- F04D15/0218—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid the condition being a liquid level or a lack of liquid supply
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of with the centrifugal water pump for automatically controlling anti-dry tap function, including water pump body, the water pump body includes water pump cover, pump cover, sealed impeller, impeller shaft and rotating electric machine, the inside of the water pump cover is equipped with spiral case flume, the front end face of the water pump cover opens up water inlet, the top end face of the water pump cover opens up water outlet, the outer side covering of the water inlet and the water outlet is connected with the pump cover, the inside of the spiral case flume is vertically equipped with the sealed impeller, the front end of the impeller shaft is through the connection sealed impeller, the impeller shaft rear end exports from the rear end face of the water pump cover and connects the rotating electric machine, the side of the water pump cover vertically connects upwardly a supplement water pipe.By the above-mentioned means, the present invention can automatically detect the case where draining and in time control water pump stop working avoid occur cavitation phenomenons.
Description
Technical field
The present invention relates to water pump fields, more particularly to a kind of with the centrifugal water pump for automatically controlling anti-dry tap function.
Background technique
Centrifugal pump is to be rotated using impeller and make water that centrifugal movement occur come work, and water pump is before activation, it is necessary to make to pump
It is full of water in shell and suction hose, then starts motor, pump shaft impeller and water is made to do high speed rotary motion, centrifugation fortune occurs for water
It is dynamic, it is thrown toward impeller outer edge, the runner through volute pump case flows into the pressure pipe road of water pump, and there can be no the work of dry tap for centrifugal pump
If there is bulk gas is drawn into inside water pump cavitation phenomenons will occur for situation, and cavitation phenomenons refer to centrifugal pump mounting height
When raising, pump pressure reduction will lead to, pump pressure minimum point is usually located near any of impeller blade import later, liquid
Body rushes at bubble center from surrounding with very big speed, generates the impact that frequency is very high, instantaneous pressure is very big, and this phenomenon is known as
Cavitation phenomenons, when cavitation, are transmitted to the shock wave for endangering impeller and pump case, in addition the oxygen of oligodynamical is to metallochemistry in liquid
The collective effect of corrosion can make its surface spot and crack occur, or even gradually fall off in spongy after a certain time, hair
When raw cavitation, noise can be also issued, and then vibrate the pump housing, simultaneously because the generation of steam is so that under the apparent density of liquid
Drop, then liquid actual flow, outlet pressure and efficiency all decline, and can lead to when serious and are unable to output liquid completely, lead to water
Allomeric function is pumped to lose.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of with the centrifugal water pump for automatically controlling anti-dry tap function, energy
Enough automatically detect the case where draining and in time control water pump stop working avoid occur cavitation phenomenons.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: it provides a kind of anti-with automatically controlling
The centrifugal water pump of dry tap function, including water pump body, the water pump body include water pump cover, pump cover, sealed impeller, impeller
Transmission shaft and rotating electric machine, the inside of the water pump cover are equipped with spiral case flume, the front end face of the water pump cover open up into
The mouth of a river, the top end face of the water pump cover open up water outlet, and the water inlet connects with the outer side covering of the water outlet
State pump cover, the inside of the spiral case flume is vertically equipped with the sealed impeller, before the impeller shaft
Through the sealed impeller is connected, the impeller shaft rear end exports from the rear end face of the water pump cover and connects institute at end
Rotating electric machine is stated, vertically a piece supplement water pipe of connection, the lower end of the supplement water pipe are led upwardly for the side of the water pump cover
Enter the inside of the water pump cover and be connected to the side inner wall of the spiral case flume, the top connection of the supplement water pipe is anti-
Dry supplement tank, the internal side wall of the anti-dry supplement tank are equipped with liquid level sensor, and the top of the anti-dry supplement tank connects electricity
Water control valve, a piece water supplying pipe of the electric control water valve connection, the front end horizontal connection water inlet pipe of the water inlet, the water inlet pipe
Intermediate upper surface sets an aperture, and the upper vertical of the aperture connects one section of water pressure sensing pipe, peace inside the water pressure sensing pipe
Equipped with hydraulic pressure sensor, the rear upper side of the water pump cover connects electric control module, peace inside the electric control module
Equipped with microcontroller chip and electric machine controller.
In a preferred embodiment of the present invention, the supplement water pipe is connected to the opening connection of the spiral case flume
There is one-way valve.
In a preferred embodiment of the present invention, the liquid level sensor and the hydraulic pressure sensor output end are all connected with institute
Microcontroller chip is stated, the output end of the microcontroller chip connects the electric control water valve and the electric machine controller, the motor
Controller connects the rotating electric machine.
In a preferred embodiment of the present invention, the outer end of the water inlet pipe is connected with the sebific duct that draws water.
The beneficial effects of the present invention are: the water pump that the present invention designs, which has the function of detecting automatically, drains phenomenon, in water pump
Front end water inlet pipe at be equipped with hydraulic pressure detection sensor, while water pump is continued working, if Target moisture is drained
Without switching off the pump in time, bulk gas will detect before pouring in water pump from drinking-water pipe by hydraulic pressure sensor, sensing
Device send information to control module control motor stalling, protects inside air pump not by the destruction of cavitation phenomenons.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is the structural schematic diagram that the present invention has one preferred embodiment of centrifugal water pump for automatically controlling anti-dry tap function;
Fig. 2 is the electrical block diagram that the present invention has one preferred embodiment of centrifugal water pump for automatically controlling anti-dry tap function;
The components in the drawings are labeled as follows: 1, water pump body;2, water pump cover;3, pump cover;4, sealed impeller;5, impeller passes
Moving axis;6, rotating electric machine;7, spiral case flume;8, water inlet;9, water outlet;10, water pipe is supplemented;11, prevent dry supplement tank;12,
Liquid level sensor;13, electric control water valve;14, water inlet pipe;15, aperture;16, water pressure sensing pipe;17, hydraulic pressure sensor;18, electrical
Control module;19, microcontroller chip;20, electric machine controller.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Fig. 1 and Fig. 2 are please referred to, the embodiment of the present invention includes:
A kind of centrifugal water pump with the anti-dry tap function of automatic control, including water pump body 1, the water pump body 1 include water pump
Draw equipped with spiral case the inside of shell 2, pump cover 3, sealed impeller 4, impeller shaft 5 and rotating electric machine 6, the water pump cover 2
Water chamber 7, the front end face of the water pump cover 2 open up water inlet 8, and the top end face of the water pump cover 2 opens up water outlet 9, described
The outer side covering of water inlet 8 and the water outlet 9 is connected with the pump cover 3, and the inside of the spiral case flume 7 is vertically
The sealed impeller 4 is installed, the front end of the impeller shaft 5 is passed through the sealed impeller 4, the impeller is connected
5 rear end of moving axis exports from the rear end face of the water pump cover 2 and connects the rotating electric machine 6, the side end face of the water pump cover 2
Vertically a piece supplement water pipe 10 of connection, the lower end of the supplement water pipe 10 import inside and the connection of the water pump cover 2 upwards
To the side inner wall of the spiral case flume 7, the anti-dry supplement tank 11 of the top connection of the supplement water pipe 10, the anti-dry supplement
The internal side wall of tank 11 is equipped with liquid level sensor 12, and the top of the anti-dry supplement tank 11 connects electric control water valve 13, the electricity
Water control valve 13 connects a water supplying pipe, the front end horizontal connection water inlet pipe 14 of the water inlet 8, on the centre of the water inlet pipe 14
End face sets an aperture 15, and the upper vertical of the aperture 15 connects one section of water pressure sensing pipe 16, inside the water pressure sensing pipe 16
Hydraulic pressure sensor 17 is installed, the rear upper side of the water pump cover 2 connects electric control module 18, the electric control module
Microcontroller chip 19 and electric machine controller 20 are installed inside 18.
In addition, the opening that the supplement water pipe 10 is connected to the spiral case flume 7 is connected with one-way valve.
In addition, the liquid level sensor 12 and 17 output end of the hydraulic pressure sensor are all connected with the microcontroller chip 19,
The output end of the microcontroller chip 19 connects the electric control water valve 13 and the electric machine controller 20, the electric machine controller 20
Connect the rotating electric machine 6.
In addition, the outer end of the water inlet pipe 8 is connected with the sebific duct that draws water.
The operation principle of the present invention is that water pump body 1 includes water pump cover 2, pump cover 3, sealed impeller 4, impeller shaft
5 and rotating electric machine 6, the inside of water pump cover 2 is equipped with spiral case flume 7, and the front end face of water pump cover 2 opens up water inlet 8, water pump
The top end face of shell 2 opens up water outlet 9, and the outer side covering of water inlet 8 and water outlet 9 is connected with pump cover 3, spiral case flume 7
Inside is vertically equipped with sealed impeller 4, and the front end of impeller shaft 5 is driven through sealed impeller 4, impeller is connected
5 rear end of axis exports from the rear end face of water pump cover 2 and connects rotating electric machine 6.
Vertically a piece supplement water pipe 10 of connection, the lower end of supplement water pipe 10 import water pump upwardly for the side of water pump cover 2
The inside of shell 2 and the side inner wall for being connected to spiral case flume 7, supplement water pipe 10 are connected to the opening of spiral case flume 7
It is connected with one-way valve, one-way valve effectively prevents the reverse irrigation of the pressurized water in flume and nourishes in charging pipe 10, supplement water pipe 10
The anti-dry supplement tank 11 of top connection, prevents that the internal side wall of dry supplement tank 11 is equipped with liquid level sensor 12, prevents dry supplement tank 11
Top connects electric control water valve 13, prevents that dry supplement tank 11 can keep the full of internal water to water body is supplemented inside water pump booster cavity
Degree, prevents air and causes cavitation phenomenons.
Electric control water valve 13 connects a water supplying pipe, the front end horizontal connection water inlet pipe 14 of water inlet 8, the outer end of water inlet pipe 8
It is connected with the sebific duct that draws water, the intermediate upper surface of water inlet pipe 14 sets an aperture 15, and the upper vertical of aperture 15 connects one section of hydraulic pressure inspection
Test tube 16, hydraulic pressure sensor 17 is equipped with inside water pressure sensing pipe 16, and the rear upper side of water pump cover 2 connects electric control module
18, microcontroller chip 19 and electric machine controller 20, liquid level sensor 12 and hydraulic pressure sensing are installed inside electric control module 18
17 output end of device is all connected with microcontroller chip 19, the output end connection electric control water valve 13 and electric machine controller of microcontroller chip 19
20, electric machine controller 20 connects rotating electric machine 6.
While water pump is continued working, if Target moisture has been drained without switching off the pump in time, largely
Gas will be detected before pouring in water pump from drinking-water pipe by hydraulic pressure sensor 17, and sensor send information to control module control
Motor stalling, protects inside air pump not by the destruction of cavitation phenomenons.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (4)
1. a kind of with the centrifugal water pump for automatically controlling anti-dry tap function, including water pump body, which is characterized in that the water pump sheet
Body includes water pump cover, pump cover, sealed impeller, impeller shaft and rotating electric machine, and the inside of the water pump cover is equipped with snail
Shell flume, the front end face of the water pump cover open up water inlet, and the top end face of the water pump cover opens up water outlet, it is described into
The outer side covering of the mouth of a river and the water outlet is connected with the pump cover, and the inside of the spiral case flume is vertically equipped with
The sealed impeller, the front end of the impeller shaft is through the connection sealed impeller, the impeller shaft rear end
The rotating electric machine, the vertical connection upwardly of the side of the water pump cover are exported and connected from the rear end face of the water pump cover
The lower end of a piece supplement water pipe, the supplement water pipe imports the inside of the water pump cover and is connected to the spiral case flume
The internal side wall of side inner wall, the anti-dry supplement tank of the top connection of the supplement water pipe, the anti-dry supplement tank is equipped with liquid level
The top of sensor, the anti-dry supplement tank connects electric control water valve, and the electric control water valve connects a water supplying pipe, the water inlet
Front end horizontal connection water inlet pipe, the intermediate upper surface of the water inlet pipe sets an aperture, the upper vertical connection one of the aperture
Section water pressure sensing pipe, hydraulic pressure sensor is equipped with inside the water pressure sensing pipe, and the rear upper side of the water pump cover connects electricity
Gas control module is equipped with microcontroller chip and electric machine controller inside the electric control module.
2. the centrifugal pump according to claim 1 with rotor balancing degree detection function, which is characterized in that the supplement water
The opening that pipe is connected to the spiral case flume is connected with one-way valve.
3. the centrifugal pump according to claim 1 with rotor balancing degree detection function, which is characterized in that the liquid level passes
Sensor and the hydraulic pressure sensor output end are all connected with the microcontroller chip, described in the output end connection of the microcontroller chip
Electric control water valve and the electric machine controller, the electric machine controller connect the rotating electric machine.
4. the centrifugal pump according to claim 1 with rotor balancing degree detection function, which is characterized in that the water inlet pipe
Outer end be connected with the sebific duct that draws water.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811486567.9A CN109340133A (en) | 2018-12-06 | 2018-12-06 | With the centrifugal water pump for automatically controlling anti-dry tap function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811486567.9A CN109340133A (en) | 2018-12-06 | 2018-12-06 | With the centrifugal water pump for automatically controlling anti-dry tap function |
Publications (1)
Publication Number | Publication Date |
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CN109340133A true CN109340133A (en) | 2019-02-15 |
Family
ID=65303071
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811486567.9A Withdrawn CN109340133A (en) | 2018-12-06 | 2018-12-06 | With the centrifugal water pump for automatically controlling anti-dry tap function |
Country Status (1)
Country | Link |
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CN (1) | CN109340133A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104612982A (en) * | 2015-01-20 | 2015-05-13 | 湖南山源安自控系统有限公司 | Dry pumping prevention and burning prevention automatic protection device and method for mine stainless steel multistage pump |
CN104712561A (en) * | 2015-01-22 | 2015-06-17 | 晋州市水泵厂 | Automatic immersible pump water shortage protection control device and application method |
CN105987005A (en) * | 2015-12-18 | 2016-10-05 | 安徽南方化工泵业有限公司 | Leakage-prevention type centrifugal pump |
CN208184996U (en) * | 2018-05-02 | 2018-12-04 | 江苏优普保鲜技术有限公司 | A kind of self priming pump with automatic water supplement function |
CN209483621U (en) * | 2018-12-06 | 2019-10-11 | 无锡市海星船舶动力有限公司 | With the centrifugal water pump for automatically controlling anti-dry tap function |
-
2018
- 2018-12-06 CN CN201811486567.9A patent/CN109340133A/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104612982A (en) * | 2015-01-20 | 2015-05-13 | 湖南山源安自控系统有限公司 | Dry pumping prevention and burning prevention automatic protection device and method for mine stainless steel multistage pump |
CN104712561A (en) * | 2015-01-22 | 2015-06-17 | 晋州市水泵厂 | Automatic immersible pump water shortage protection control device and application method |
CN105987005A (en) * | 2015-12-18 | 2016-10-05 | 安徽南方化工泵业有限公司 | Leakage-prevention type centrifugal pump |
CN208184996U (en) * | 2018-05-02 | 2018-12-04 | 江苏优普保鲜技术有限公司 | A kind of self priming pump with automatic water supplement function |
CN209483621U (en) * | 2018-12-06 | 2019-10-11 | 无锡市海星船舶动力有限公司 | With the centrifugal water pump for automatically controlling anti-dry tap function |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190215 |
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WW01 | Invention patent application withdrawn after publication |