CN203627174U - Protection system for submersible pump for well - Google Patents
Protection system for submersible pump for well Download PDFInfo
- Publication number
- CN203627174U CN203627174U CN201320790684.0U CN201320790684U CN203627174U CN 203627174 U CN203627174 U CN 203627174U CN 201320790684 U CN201320790684 U CN 201320790684U CN 203627174 U CN203627174 U CN 203627174U
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- China
- Prior art keywords
- water level
- well
- submersible pump
- control device
- level gauge
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- 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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- Control Of Non-Positive-Displacement Pumps (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model discloses a protection system for a submersible pump for a well. The protection system comprises an electric control switch, a logic control device and an ultrasonic water level gauge, wherein the electric control switch is connected in series in a power supply circuit of the submersible pump; the ultrasonic water level gauge is arranged at the mouth of the well; the output end of the ultrasonic water level gauge is connected with the logic control device; the logic control device controls the electric control switch. The water level of the well is monitored by the ultrasonic water level gauge arranged at the mouth of the well, so that the working condition of the submersible pump is controlled and the safe operation of the submersible pump is protected. All parts of the protection system are arranged at the mouth of the well and in a control room, faults are easily found and the parts are easily maintained; the water level monitoring accuracy is high.
Description
Technical field
The utility model relates to automatic control technology field, is specifically related to a kind of protective system for water well diving pump.
Background technique
At the vast the northern region of China, because groundwater level is very low, conventionally adopt submersible pump for the device of deep-well pumping.The protective system of submersible pump generally has overcurrent protection and overtemperature protection, and overcurrent protection is for monitoring the overload conditions of pump motor, and overtemperature protection is for monitoring the overheating conditions of submersible pump.In pump process, if well discharge reduction, submersible pump surfaces, and will cause that submersible pump is overheated, and submersible pump is damaged.Solution can adopt thermal sensor system monitoring submersible pump temperature, thereby controls the working state of submersible pump.If the underwater portion of thermal sensor system breaks down, must go into the well and check or entirety taking-up, exist and find fault and the large defect of maintenance difficulty.In addition, there is a kind of contact-type Level monitor taking water as conductor, thereby rely on the monitoring of water level to control the working state of submersible pump, also have maintenance difficulty greatly and the low defect of water level monitoring precision.
Model utility content
For the deficiencies in the prior art, the utility model provides a kind of protective system for water well diving pump.This protective system is to utilize the ultrasonic water level gauge monitoring well water level that is arranged on well well head, thereby controls the working state of submersible pump, the safe operation of protection submersible pump.All parts of protective system are all arranged on well head and control room, are easy to find fault and maintenance, and have high water level monitoring precision.
The technical solution of the utility model is as described below.
For a protective system for water well diving pump, comprise electrically switchable grating, logic control device, described electrically switchable grating is connected in the power supply line of submersible pump; Also comprise ultrasonic water level gauge, described ultrasonic water level gauge is arranged in well well head, and the output terminal of ultrasonic water level gauge connects logic control device, described logic control device control electrically switchable grating.
Described protective system also comprises display unit, and described display unit is connected to logic control device.
The motor overcurrent protection device of also having connected in the power supply line of described submersible pump.
Brief description of the drawings
Fig. 1 is a kind of protective system electrical block diagram for water well diving pump.
In Fig. 1: 1. submersible pump power supply; 2. electrically switchable grating; 3. motor overcurrent protection device; 4. submersible pump; 5. well; 6. ultrasonic water level gauge; 7. display unit; 8. logic control device.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
For a protective system for water well diving pump, comprise electrically switchable grating 2, logic control device 8, described electrically switchable grating 2 is connected in the power supply line of submersible pump 4; Also comprise ultrasonic water level gauge 6, described ultrasonic water level gauge 6 is arranged in well well head, and the output terminal of ultrasonic water level gauge 6 connects logic control device 8, and described logic control device 8 is controlled electrically switchable grating 2.
In this example, electrically switchable grating 2 is selected relay, and logic control device 8 is selected 51 serial kernel single-chip microcomputers, the P1.0 of 51 kernel single-chip microcomputers, the output terminal that P1.1 pin is connected to ultrasonic water level gauge, and the P2.0 pin of 51 kernel single-chip microcomputers is connected to relay.In addition, be connected to display unit according to the signal end of the serial kernel single-chip microcomputer of known technology 51, in order to dynamic demonstration well water level.As the overload protection of pump motor, a set of known motor overcurrent protection device of connecting in the power supply line of submersible pump.
Set the parameter of ultrasonic water level gauge according to the mounting point of submersible pump, after well water level is lower than setting value, logic control device control relay cuts off pump motor power supply, avoids the submersible pump idle running of surfacing, and reaches and avoids submersible pump to cross the object of cause thermal damage because of idle running.After well water level is higher than another setting value, restarts submersible pump and draw water.
Claims (5)
1. for a protective system for water well diving pump, comprise electrically switchable grating, logic control device, described electrically switchable grating is connected in the power supply line of submersible pump; It is characterized in that: also comprise ultrasonic water level gauge, described ultrasonic water level gauge is arranged in well well head, the output terminal of ultrasonic water level gauge connects logic control device, described logic control device control electrically switchable grating.
2. protective system according to claim 1; it is characterized in that: described logic control device is 51 serial kernel single-chip microcomputers; the P1.0 of described 51 kernel single-chip microcomputers, the output terminal that P1.1 pin is connected to ultrasonic water level gauge, the P2.0 pin of 51 kernel single-chip microcomputers is connected to electrically switchable grating.
3. protective system according to claim 2, is characterized in that: described electrically switchable grating is relay.
4. according to the protective system described in claim 1 or 2 or 3, it is characterized in that: described protective system also comprises display unit, described display unit is connected to logic control device.
5. protective system according to claim 4, is characterized in that: the motor overcurrent protection device of also having connected in the power supply line of described submersible pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320790684.0U CN203627174U (en) | 2013-12-05 | 2013-12-05 | Protection system for submersible pump for well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320790684.0U CN203627174U (en) | 2013-12-05 | 2013-12-05 | Protection system for submersible pump for well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203627174U true CN203627174U (en) | 2014-06-04 |
Family
ID=50813659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320790684.0U Expired - Fee Related CN203627174U (en) | 2013-12-05 | 2013-12-05 | Protection system for submersible pump for well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203627174U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194688A (en) * | 2016-08-23 | 2016-12-07 | 重庆市伟岸测器制造股份有限公司 | Agriculture fills metering control system and control method thereof |
-
2013
- 2013-12-05 CN CN201320790684.0U patent/CN203627174U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194688A (en) * | 2016-08-23 | 2016-12-07 | 重庆市伟岸测器制造股份有限公司 | Agriculture fills metering control system and control method thereof |
| CN106194688B (en) * | 2016-08-23 | 2017-11-21 | 重庆市伟岸测器制造股份有限公司 | Agriculture fills metering control system and its control method |
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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: 20140604 Termination date: 20141205 |
|
| EXPY | Termination of patent right or utility model |