CN203906322U - Deep-well pump control device beneficial for preventing no-load pumping - Google Patents
Deep-well pump control device beneficial for preventing no-load pumping Download PDFInfo
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- CN203906322U CN203906322U CN201420332075.5U CN201420332075U CN203906322U CN 203906322 U CN203906322 U CN 203906322U CN 201420332075 U CN201420332075 U CN 201420332075U CN 203906322 U CN203906322 U CN 203906322U
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- deep
- well pump
- sky
- pump control
- processor
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- Control Of Positive-Displacement Pumps (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The utility model discloses a deep-well pump control device beneficial for preventing no-load pumping. The deep-well pump control device comprises a current detection device (1), a water pressure detection device (2), a power supply switch (3), an alarm (4) and a processor (5); the water pressure detection device (2) is arranged on a water pump output pipe (63), and the water pressure detection device (2) is electrically connected with the power supply switch (3); the current detection device (1) is electrically connected with a motor (65) and the processor (5); the power supply switch (3) and the alarm (4) are respectively and electrically connected with the processor (5). The deep-well pump control device is controlled by a deep-well pump, operation circumstances of the water pump and the motor in a deep well can be controlled by monitoring current changes of the motor, the problems that the no-load fault of the water pump causes serious abrasion of blades of the water pump, and the over high temperature burns the motor out are solved. The deep-well pump control device reduces the operation fault rate of the deep-well pump, prolongs service life of the deep-well pump, and reduces maintaining cost.
Description
Technical field
The utility model belongs to deep-well pumping technical field, further belongs to air defense and takes out deep-well pump technical field, is specifically related to one and can effectively prevents that sky from taking out, and extends the working life of deep-well pump, the deep-well pump control gear that contributing to of reducing costs prevents that sky from taking out.
Background technique
200YQS series deep-well pump is the conventional deep-well pump of groundwater abstraction, and submerged depth is from tens meters to hundreds of rice.In the using process of deep-well pump, have a kind equipment fault: deep-well pump is moving but do not taking out water, i.e. so-called " sky is smoked " fault harm is maximum to be difficult to again observe; This fault, as do not got rid of in time, will cause water pump vane heavy wear after continuing for some time, and motor temperature is too high to be burnt out.Just there is repeatedly " sky is taken out " fault in 2010-2011 by the 3# of company deep-well pump in me, the personnel of drawing water fail to find in time reason to fix a breakdown, and cause deep-well pump impeller and impeller base heavy wear, and motor burns out.In repairing process, can not ensure because supplying water, produce and be also greatly affected.Through the simulation test of " sky is taken out " is repeatedly analyzed and done at the scene to this " sky is taken out " phenomenon of the failure, three kinds of states of this fault are determined: (1) conduit pipe seal rubber pad damages gas leakage; (2) motor and water pump coupler come off; (3) groundwater run off deficiency.According to the different characteristics of these three kinds of states, analyze the curent change trend of motor, change from motor current the surveillance method of seeking to prevent " sky is taken out " fault.
For this reason, develop a kind of simple in structure, can effectively prevent that sky from taking out, extend the deep-well pump life-span, contributing to of reducing costs, prevents that the deep-well pump control gear that sky is taken out from being the key addressing this problem.
Model utility content
The purpose of this utility model be to provide a kind of simple in structure, can effectively prevent that sky from taking out, extend the deep-well pump life-span, the deep-well pump control gear that contributing to of reducing costs prevents that sky from taking out.
The purpose of this utility model is achieved in that and comprises current detecting device, hydraulic pressure detector, power switch, alarm and processor; Described hydraulic pressure detector is arranged at water pump output tube, and hydraulic pressure detector is electrically connected at power switch; Described current detecting device is electrically connected with motor and processor respectively; Described power switch and alarm are electrically connected at respectively processor; Described processor is according to signal value control power switch and the alarm of current detecting device feedback; Described hydraulic pressure detector control power switch.
The utility model adopts and prevents the deep-well pump control gear that sky is taken out, by the monitoring that motor current is changed, can control deep water down-hole water pump, motor runnability, avoided the water pump vane heavy wear causing due to water pump " sky is taken out " fault, motor temperature is too high the problem such as burns out.The utility model has been broken traditional mode of thinking, by the monitoring that motor current is changed, can control deep water down-hole water pump, motor runnability, particularly water pump " sky is taken out " fault is control effectively, effectively solve " sky is taken out " fault that deep-well pump cannot directly be observed, avoided the water pump vane heavy wear causing due to water pump " sky is taken out " fault, motor temperature is too high the problem such as burns out.Reduce deep-well pump operation troubles rate simultaneously, in the working life of having improved deep-well pump, reduced maintenance cost.
Brief description of the drawings
Fig. 1 is the utility model theory diagram;
Fig. 2 is the structural representation of Fig. 1;
In figure: 1-current detecting device, 2-hydraulic pressure detector, 3-power switch, 4-alarm, 5-processor; 61-mounting flange, 62-attachment bolt, 63-conduit pipe, 64-water pump, 65-motor.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, but never in any form the present invention is limited, and any conversion of doing based on the utility model training centre, all falls into the utility model protection domain.
As shown in Figure 1, the utility model comprises current detecting device 1, hydraulic pressure detector 2, power switch 3, alarm 4 and processor 5; Described hydraulic pressure detector 2 is arranged at water pump output tube 63, and hydraulic pressure detector 2 is electrically connected at power switch 3; Described current detecting device 1 is electrically connected with motor 65 and processor 5 respectively; Described power switch 3 and alarm 4 are electrically connected at respectively processor 5; Signal value control power switch 3 and alarm 4 that described processor 5 feeds back according to current detecting device 1; Described hydraulic pressure detector 2 is controlled power switch 3.
Described current detecting device 1 detection range is from empty load of motor current value to 60% of motor load current value.
Described current detecting device 1 is current transformer or current measuring element.
Described hydraulic pressure detector 2 is physics power-off protection device.
Described hydraulic pressure detector 2 is water-pressure relay.
Described alarm 4 is audible-visual annunciator.
Power switch 3 controlled by described processor 5 and alarm 4 modes are the variable quantity of electric current within the unit time.
It is electrical signal mode that described processor 5 is controlled power switch 3 modes.
Described processor 5 is taken out signal after 3 minutes receiving current detecting device 1 sky, starts to start alarm 4.
Described processor 5 is taken out signal after 5 minutes receiving current detecting device 1 sky, controls motor power-off protection.
working principle of the present utility model and working procedure:
The deep-well pump control gear that the utility model adopts air defense to take out; press deep-well pump start button; motor access starts from lotus root starter; after having started, (about 40 seconds) automatically switch to operation; in running, anti-" sky is taken out " device detects the curent change of motor at any time by current mutual inductor special or current measuring element; and send into the contrast of PLC programming controller, in the time " sky is taken out " electric current being detected, send acoustooptic alarm signal and trip protection by the current value setting and time.A water-pressure relay is installed simultaneously, as the follow-up protection of anti-" sky is taken out " in well head end.
" sky is taken out " monitoring working procedure is detected and form by: current detecting, hydraulic pressure, and " sky is taken out " controlled by: PLC and gathered after current detection signal, hydraulic pressure testing signal according to the tripping operation of program control deep-well pump, protects water pump and motor not damaged.According to scene, the draw water current value of motor start-up in process, operation of deep-well pump is determined to startup, the working procedure of the normal work of deep-well pump send into PLC programming controller and confirm; The time of " sky is taken out " current range of finding out according to field observation, simulation and permission operation is write sound, light alert program, and delay tripping program is sent into the confirmation of PLC programming controller.In deep-well pump using process, by PLC programming controller, motor start-up, operation, acoustooptic alarm, delay protection tripping operation are controlled.
Claims (8)
1. contribute to a deep-well pump control gear that prevents that sky from taking out, comprise current detecting device (1), hydraulic pressure detector (2), power switch (3), alarm (4) and processor (5); It is characterized in that: described hydraulic pressure detector (2) is arranged at water pump output tube (63), and hydraulic pressure detector (2) is electrically connected at power switch (3); Described current detecting device (1) is electrically connected with motor (65) and processor (5) respectively; Described power switch (3) and alarm (4) are electrically connected at respectively processor (5); Described processor (5) is according to signal value control power switch (3) and the alarm (4) of current detecting device (1) feedback; Described hydraulic pressure detector (2) is controlled power switch (3).
2. the deep-well pump control gear that prevents that sky from taking out of contributing to according to claim 1, is characterized in that: described current detecting device (1) detection range is from empty load of motor current value to 60% of motor load current value.
3. the deep-well pump control gear that prevents that sky from taking out of contributing to according to claim 1 and 2, is characterized in that: described current detecting device (1) is current transformer or current measuring element.
4. the deep-well pump control gear that prevents that sky from taking out of contributing to according to claim 1, is characterized in that: described hydraulic pressure detector (2) is physics power-off protection device.
5. prevent according to contributing to described in claim 1 or 4 the deep-well pump control gear that sky is taken out, it is characterized in that: described hydraulic pressure detector (2) is water-pressure relay.
6. the deep-well pump control gear that prevents that sky from taking out of contributing to according to claim 1, is characterized in that: described alarm (4) is audible-visual annunciator.
7. the deep-well pump control gear that prevents that sky from taking out of contributing to according to claim 1, is characterized in that: described processor (5) is controlled power switch (3) and alarm (4) mode is the variable quantity of electric current within the unit time.
8. prevent according to contributing to described in claim 1 the deep-well pump control gear that sky is taken out, it is characterized in that: it is electrical signal mode that described processor (5) is controlled power switch (3) mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420332075.5U CN203906322U (en) | 2014-06-21 | 2014-06-21 | Deep-well pump control device beneficial for preventing no-load pumping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420332075.5U CN203906322U (en) | 2014-06-21 | 2014-06-21 | Deep-well pump control device beneficial for preventing no-load pumping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203906322U true CN203906322U (en) | 2014-10-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420332075.5U Expired - Fee Related CN203906322U (en) | 2014-06-21 | 2014-06-21 | Deep-well pump control device beneficial for preventing no-load pumping |
Country Status (1)
| Country | Link |
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| CN (1) | CN203906322U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454484A (en) * | 2014-11-20 | 2015-03-25 | 谢庆武 | Sunlight microcomputer intelligent water pump |
| CN105047240A (en) * | 2015-06-02 | 2015-11-11 | 深圳中广核工程设计有限公司 | Nuclear-grade pump intake filter screen differential pressure protector of PWR nuclear power plant |
| CN107327408A (en) * | 2017-08-28 | 2017-11-07 | 宁波德业变频技术股份有限公司 | Centrifugal water pump dry tap guard method |
| CN107829954A (en) * | 2017-09-29 | 2018-03-23 | 武汉船用机械有限责任公司 | A kind of dry running protection apparatus and method of motor-operated well pump |
-
2014
- 2014-06-21 CN CN201420332075.5U patent/CN203906322U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454484A (en) * | 2014-11-20 | 2015-03-25 | 谢庆武 | Sunlight microcomputer intelligent water pump |
| CN105047240A (en) * | 2015-06-02 | 2015-11-11 | 深圳中广核工程设计有限公司 | Nuclear-grade pump intake filter screen differential pressure protector of PWR nuclear power plant |
| CN107327408A (en) * | 2017-08-28 | 2017-11-07 | 宁波德业变频技术股份有限公司 | Centrifugal water pump dry tap guard method |
| CN107829954A (en) * | 2017-09-29 | 2018-03-23 | 武汉船用机械有限责任公司 | A kind of dry running protection apparatus and method of motor-operated well pump |
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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: 20141029 Termination date: 20180621 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |