CN209483621U - 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
- CN209483621U CN209483621U CN201822041052.XU CN201822041052U CN209483621U CN 209483621 U CN209483621 U CN 209483621U CN 201822041052 U CN201822041052 U CN 201822041052U CN 209483621 U CN209483621 U CN 209483621U
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- water
- water pump
- pump cover
- pipe
- electric machine
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Abstract
The utility model 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 utility model can automatically detect the case where draining and in time control water pump stop working avoid occur cavitation phenomenons.
Description
Technical field
The utility model relates to water pump fields, more particularly to a kind of with the centrifugal water for automatically controlling anti-dry tap function
Pump.
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.
Utility model content
The utility model is mainly solving the technical problems that provide a kind of with the centrifugal water for automatically controlling anti-dry tap function
Pump, can 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, the technical solution that the utility model uses is: providing a kind of with automatic control
Make the centrifugal water pump of anti-dry tap function, including water pump body, the water pump body include water pump cover, pump cover, sealed impeller,
The inside of impeller shaft and rotating electric machine, the water pump cover is equipped with spiral case flume, and the front end face of the water pump cover is opened
If water inlet, the top end face of the water pump cover opens up water outlet, and the water inlet is connected with the outer side covering of the water outlet
There is the pump cover, the inside of the spiral case flume is vertically equipped with the sealed impeller, the impeller shaft
Front end through the sealed impeller is connected, the impeller shaft rear end exports and connects from the rear end face of the water pump cover
The rotating electric machine is connect, the side of the water pump cover faces upward and vertically connects a supplement water pipe, under the supplement water pipe
End imports the inside of the water pump cover and is connected to the side inner wall of the spiral case flume, and the top of the supplement water pipe connects
Dry supplement tank is taken over control, the internal side wall of the anti-dry supplement tank is equipped with liquid level sensor, and the top of the anti-dry supplement tank connects
Electric control water valve is connect, the electric control water valve connects a water supplying pipe, the front end horizontal connection water inlet pipe of the water inlet, the water inlet
The intermediate upper surface of pipe sets an aperture, and the upper vertical of the aperture connects one section of water pressure sensing pipe, in the water pressure sensing pipe
Portion is equipped with hydraulic pressure sensor, and the rear upper side of the water pump cover connects electric control module, in the electric control module
Portion is equipped with microcontroller chip and electric machine controller.
In one preferred embodiment of the utility model, the supplement water pipe is connected to the opening of the spiral case flume
It is connected with one-way valve.
In one preferred embodiment of the utility model, the liquid level sensor and the hydraulic pressure sensor output end connect
The microcontroller chip is connect, the output end of the microcontroller chip connects the electric control water valve and the electric machine controller, described
Electric machine controller connects the rotating electric machine.
In one preferred embodiment of the utility model, the outer end of the water inlet pipe is connected with the sebific duct that draws water.
The beneficial effects of the utility model are: the function that there is the water pump of the utility model design automatic detection to drain phenomenon
Can, hydraulic pressure detection sensor is equipped at the front end water inlet pipe of water pump, while water pump is continued working, if target water
Divide and be drained without switching off the pump in time, bulk gas will be examined before pouring in water pump from drinking-water pipe by hydraulic pressure sensor
It surveys, sensor send information to control module control motor stalling, protects inside air pump not by the destruction of cavitation phenomenons.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings, in which:
Fig. 1 is the structural representation that the utility model has one preferred embodiment of centrifugal water pump for automatically controlling anti-dry tap function
Figure；
Fig. 2 is the circuit structure that the utility model has one preferred embodiment of centrifugal water pump for automatically controlling anti-dry tap function
Schematic diagram；
The components in the drawings are labeled as follows: 1, water pump body；2, water pump cover；3, pump cover；4, sealed impeller；5, leaf
Wheel shaft；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, electric
Gas control module；19, microcontroller chip；20, electric machine controller.
Specific embodiment
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on the implementation in the utility model
Example, all other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Fig. 1 and Fig. 2 are please referred to, the utility model embodiment includes:
It is a kind of to include with the centrifugal water pump for automatically controlling anti-dry tap function, including water pump body 1, the water pump body 1
The inside of water pump cover 2, pump cover 3, sealed impeller 4, impeller shaft 5 and rotating electric machine 6, the water pump cover 2 is equipped with snail
Shell flume 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,
The outer side covering of the 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 along vertical
Direction is equipped with the sealed impeller 4, and the front end of the impeller shaft 5 is through the connection sealed impeller 4, the leaf
5 rear end of wheel shaft exports from the rear end face of the water pump cover 2 and connects the rotating electric machine 6, the side of the water pump cover 2
End face upwards vertically connect a supplement water pipe 10, it is described supplement water pipe 10 lower end import the water pump cover 2 inside and
It is connected 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 is described anti-dry
The internal side wall for supplementing 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, institute
It states electric control water valve 13 and connects a water supplying pipe, the front end horizontal connection water inlet pipe 14 of the water inlet 8, in the water inlet pipe 14
Between upper surface set an aperture 15, the upper vertical of the aperture 15 connects one section of water pressure sensing pipe 16, the water pressure sensing pipe 16
Inside is equipped with hydraulic pressure sensor 17, and the rear upper side of the water pump cover 2 connects electric control module 18, the electrical control
Microcontroller chip 19 and electric machine controller 20 are installed inside module 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 working principle of the utility model is that water pump body 1 includes water pump cover 2, pump cover 3, sealed impeller 4, impeller biography
The inside of moving axis 5 and rotating electric machine 6, 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,
The top end face of water pump cover 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 through the sealed impeller 4 of connection, impeller
5 rear end of transmission shaft 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 the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Using equivalent structure or equivalent flow shift made by the utility model description, it is applied directly or indirectly in other phases
The technical field of pass, is also included in the patent protection scope of the utility model.
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. according to claim 1 have the centrifugal water pump for automatically controlling anti-dry tap function, which is characterized in that the supplement
The opening that water pipe is connected to the spiral case flume is connected with one-way valve.
3. according to claim 1 have the centrifugal water pump for automatically controlling anti-dry tap function, which is characterized in that the liquid level
Sensor and the hydraulic pressure sensor output end are all connected with the microcontroller chip, and the output end of the microcontroller chip connects institute
Electric control water valve and the electric machine controller are stated, the electric machine controller connects the rotating electric machine.
4. according to claim 1 have the centrifugal water pump for automatically controlling anti-dry tap function, which is characterized in that the water inlet
The outer end of pipe is connected with the sebific duct that draws water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822041052.XU CN209483621U (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 |
|---|---|---|---|
| CN201822041052.XU CN209483621U (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 |
|---|---|
| CN209483621U true CN209483621U (en) | 2019-10-11 |
Family
ID=68118001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822041052.XU Expired - Fee Related CN209483621U (en) | 2018-12-06 | 2018-12-06 | With the centrifugal water pump for automatically controlling anti-dry tap function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209483621U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340133A (en) * | 2018-12-06 | 2019-02-15 | 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 CN201822041052.XU patent/CN209483621U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340133A (en) * | 2018-12-06 | 2019-02-15 | 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191011 Termination date: 20201206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |