CN204186606U - Submersible pump - Google Patents
Submersible pump Download PDFInfo
- Publication number
- CN204186606U CN204186606U CN201420605352.5U CN201420605352U CN204186606U CN 204186606 U CN204186606 U CN 204186606U CN 201420605352 U CN201420605352 U CN 201420605352U CN 204186606 U CN204186606 U CN 204186606U
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- CN
- China
- Prior art keywords
- receiving cavity
- actuating motor
- submersible pump
- pressure
- microcontroller
- 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.)
- Expired - Fee Related
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- Structures Of Non-Positive Displacement Pumps (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The utility model relates to a kind of submersible pump, comprise housing, actuating motor, impeller shaft and bearing, housing comprises actuating motor receiving cavity, impeller shaft receiving cavity and filtering plug, in the actuating motor receiving cavity that actuating motor and impeller shaft are arranged at housing respectively and impeller shaft receiving cavity, housing arranges water intake, and filtering plug is arranged at water inlet.Submersible pump also comprises automatic valve and control system, automatic valve is arranged at water inlet and is positioned at inside filtering plug, control system comprises: the relay be connected with actuating motor, the pressure transducer being arranged at water inlet, the eliminator be connected with pressure transducer, the A/D converter be connected with eliminator, and the microcontroller of output terminal with A/D converter, described automatic valve and relay are all connected with the output terminal of microcontroller.The beneficial effects of the utility model are: achieve and close water intake and the running of stopping actuating motor in time when there being muddy water to enter the pump housing.
Description
Technical field
The utility model relates to the design and manufacturing technology field of water pump, particularly relates to a kind of submersible pump.
Background technique
Submersible pump is the visual plant of deep-well water lift.Use is that whole unit pulls the plug work.Underground water is extracted earth's surface, is domestic water, speedily carry out rescue work in mine, industry cools, field irrigation, seawater lift, steamer adjust carry etc. requisite equipment, also can be used for fountain view.
The most volume of existing submersible pump is comparatively large, is difficult to effective use in the place that some spaces are less, and youngster adopts less motor, then its power is difficult to meet people and uses needs.In use, because the water in well is very shallow, shaft bottom siltation, the water that then submersible pump extracts can with silt, and this is not the water that people want.People cannot control again the running of motor in time, stop entering of muddy water simultaneously.
Model utility content
The technical problem that the utility model mainly solves is to provide a kind of submersible pump, achieves and closes water intake and the running of stopping actuating motor in time when there being muddy water to enter the pump housing.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is: provide a kind of submersible pump, comprise housing, actuating motor, impeller shaft and bearing, described housing comprises actuating motor receiving cavity, impeller shaft receiving cavity and filtering plug, in the actuating motor receiving cavity that described actuating motor and impeller shaft are arranged at housing respectively and impeller shaft receiving cavity, described housing arranges water intake, and described filtering plug is arranged at water inlet.Described submersible pump also comprises automatic valve and control system, and described automatic valve is arranged at water inlet and is positioned at inside filtering plug, and described control system comprises:
The relay be connected with actuating motor, for controlling the stopping/startup of actuating motor;
Be arranged at the pressure transducer of water inlet, for detecting the pressure of water inlet in real time and obtaining pressure simulation signal;
The eliminator be connected with pressure transducer, for carrying out filtering process to the pressure simulation signal received and obtaining pressure filtering signal;
The A/D converter be connected with eliminator, for being converted into pressure on the number signal by the pressure received filtering signal;
With the microcontroller of the output terminal of A/D converter, described automatic valve and relay are all connected with the output terminal of microcontroller, and described microcontroller is used for controlling automatic valve and relay according to receiving pressure on the number signal.
Further, described control system also comprises alarm, and described alarm is connected with the output terminal of microcontroller.
Further, described alarm is a buzzer.
Further, described housing also comprises circuit receiving cavity, and described eliminator, A/D converter, relay and microcontroller are all arranged in circuit receiving cavity.
Further, described alarm is arranged on the surface of circuit receiving cavity.
Further, described A/D converter is ADC0809 model chip.
The utility model submersible pump, adopt control system and automatic valve, this control system is by detecting the pressure of water intake, thus whether judge to enter the liquid of water intake muddy, thus achieve the function of automatically closing automatic valve and actuating motor when troubled liquor being detected in real time in time.Also be provided with alarm simultaneously, point out the liquid of current extraction to be muddy.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the better embodiment of the utility model submersible pump.
Fig. 2 is the structured flowchart of control system in Fig. 1.
Embodiment
Below in conjunction with drawings and embodiments, the utility model is described in detail.
For setting forth working principle of the present utility model better, first to this model utility based on principle be described, according to Bernoulli's equation:
In formula, p is pressure, and ρ is the density of liquid, and v is flow rate of liquid, and g is gravity accleration, and h is plumb height, and c is constant.When flow rate of liquid v is constant, the density p of liquid becomes large, and pressure p is simultaneously along with change is large.For in submersible pump, because rated power work pressed by actuating motor 1, thus make the flow rate of liquid v entered in the pump housing inconvenient, when entering troubled liquor in the pump housing, the density p of corresponding liquid becomes large, causes making pressure p become large, thus unit area internal pressure also becomes large.Therefore by the size carrying out detected pressures with pressure transducer 103, the utility model judges whether the liquid extracted is troubled liquor.
Please refer to shown in Fig. 1 and Fig. 2, the utility model submersible pump comprises control system, actuating motor 1, housing 2, impeller 3, impeller shaft 4, bearing 5 and automatic valve 6.
Particularly, described housing 2 comprises motor receiving cavity 21, impeller receiving cavity 22, oil cylinder 23, water intake 24, filtering plug 26 and water outlet 25, and described oil cylinder 23 is arranged between motor receiving cavity 21 and impeller receiving cavity 22.At described oil cylinder 23, the joint of impeller receiving cavity 22 is provided with water intake 24, the free end of described impeller receiving cavity 22 is provided with water outlet 25, and described filtering plug 26 is arranged on water intake 24, and described filtering plug 26 is reticular structure.Described impeller 3 is arranged at one end of impeller shaft 4, and the other end of described impeller shaft 4 is connected with the rotatingshaft of actuating motor 1 by bearing 5.
Described automatic valve 6 is electropneumatic servo valve.
Described control system comprises relay 107, pressure transducer 103, eliminator 104, A/D converter 105, microcontroller 106 and alarm 108.Described pressure transducer 103 is for detecting the pressure at water intake 24 place and delivery pressure analogue signal, described eliminator 104 is connected with pressure transducer 103, described eliminator 104 carries out filtering process to the pressure simulation signal received and obtains pressure filtering signal, described A/D converter 105 is connected with eliminator 104, pressure filtering signal is converted to pressure on the number signal by described A/D converter 105, and the output terminal of described A/D converter 105 is connected with microcontroller 106.Meanwhile, described relay 107, alarm 108 and automatic valve 6 are all connected with the output terminal of microcontroller 106.Described microcontroller 106 is for receiving pressure on the number signal and according to the running of pressure on the number signal and inner setting value control relay 107 and automatic valve 6.Described relay 107 is connected with actuating motor 1, and described relay 107 controls the running of actuating motor 1 when receiving control signal.Described automatic valve 6 is for closing/opening water intake 24.When the pressure on the number signal that microcontroller 106 receives is greater than preset value, described alarm 108 work sends alarm signal.
In the present embodiment, described pressure transducer 107 is MD-D model.Described first A/D converter 104 and the second A/D converter 108 are ADC0809 model chip.Described alarm 108 is a buzzer.
Generally, described housing 2 is also provided with circuit receiving cavity 27, described circuit receiving cavity 27 is arranged at the movable end of motor receiving cavity 21, described eliminator 104, A/D converter 105, relay 107 and microcontroller 106 collection is contained in circuit receiving cavity 27, and described alarm 108 is installed on the surface of circuit receiving cavity 27.Described pressure transducer 103 is arranged at water intake 24 place of housing 2.Described automatic valve 6 is arranged at water intake 24 place and is positioned at the rear of filtering plug 26.
The utility model operationally, under the control of microcontroller 106, automatic valve 6 is opened, make water intake 24 be in open mode, meanwhile, relay 107 triggers actuating motor 1 and rotates, the rotatingshaft impeller axle 4 of actuating motor 1 rotates, impeller 3 rotates, and water is entered from water intake 24, and submersible pump normally works.Described pressure transducer 107 detects the pressure of the water of water intake in real time, when there being muddy water to enter water intake 24, the pressure on the number signal and preset value that come from pressure transducer 107 contrast by described microcontroller 106, the force value of this preset value to be the water entering water intake be normal liquid, thus judge it is that troubled liquor enters submersible pump, now, described microcontroller 106 is to relay 107, alarm 108 and automatic valve 6 send control signal, described relay 107 reception control signal makes actuating motor 1 decommission, described automatic valve 6 reception control signal closes water intake 24, described alarm 108 reception control signal sends alarm signal.Thus stopped the running of actuating motor 1 in time, close water intake 24, muddy water is not entered in the pump housing.
These are only mode of execution of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. a submersible pump, comprise housing, actuating motor, impeller shaft and bearing, described housing comprises actuating motor receiving cavity, impeller shaft receiving cavity and filtering plug, in the actuating motor receiving cavity that described actuating motor and impeller shaft are arranged at housing respectively and impeller shaft receiving cavity, described housing arranges water intake, described filtering plug is arranged at water inlet, it is characterized in that, described submersible pump also comprises automatic valve and control system, described automatic valve is arranged at water inlet and is positioned at inside filtering plug, and described control system comprises:
The relay be connected with actuating motor, for controlling the stopping/startup of actuating motor;
Be arranged at the pressure transducer of water inlet, for detecting the pressure of water inlet in real time and obtaining pressure simulation signal;
The eliminator be connected with pressure transducer, for carrying out filtering process to the pressure simulation signal received and obtaining pressure filtering signal;
The A/D converter be connected with eliminator, for being converted into pressure on the number signal by the pressure received filtering signal;
With the microcontroller of the output terminal of A/D converter, described automatic valve and relay are all connected with the output terminal of microcontroller, and described microcontroller is used for controlling automatic valve and relay according to receiving pressure on the number signal.
2. submersible pump according to claim 1, is characterized in that, described control system also comprises alarm, and described alarm is connected with the output terminal of microcontroller.
3. submersible pump according to claim 2, is characterized in that, described alarm is a buzzer.
4. submersible pump according to claim 3, is characterized in that, described housing also comprises circuit receiving cavity, and described eliminator, A/D converter, relay and microcontroller are all arranged in circuit receiving cavity.
5. submersible pump according to claim 4, is characterized in that, described alarm is arranged on the surface of circuit receiving cavity.
6. submersible pump according to claim 1, is characterized in that, described A/D converter is ADC0809 model chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420605352.5U CN204186606U (en) | 2014-10-20 | 2014-10-20 | Submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420605352.5U CN204186606U (en) | 2014-10-20 | 2014-10-20 | Submersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204186606U true CN204186606U (en) | 2015-03-04 |
Family
ID=52618615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420605352.5U Expired - Fee Related CN204186606U (en) | 2014-10-20 | 2014-10-20 | Submersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204186606U (en) |
-
2014
- 2014-10-20 CN CN201420605352.5U patent/CN204186606U/en not_active Expired - Fee Related
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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: 20150304 Termination date: 20151020 |
|
| EXPY | Termination of patent right or utility model |