CN204041408U - A kind of water pump water shortage protective device - Google Patents
A kind of water pump water shortage protective device Download PDFInfo
- Publication number
- CN204041408U CN204041408U CN201420488442.0U CN201420488442U CN204041408U CN 204041408 U CN204041408 U CN 204041408U CN 201420488442 U CN201420488442 U CN 201420488442U CN 204041408 U CN204041408 U CN 204041408U
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- China
- Prior art keywords
- power supply
- water pump
- connecting tube
- regulated power
- electric capacity
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- Expired - Fee Related
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- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model relates to a kind of water pump water shortage protective device.This water pump water shortage protective device comprises connecting tube, lower support frame, push rod, pressure bladder, upper bracket and a control circuit; Connecting tube there are import and export, through hole; Lower support frame and connecting tube are connected, and it have a port; Push rod is placed in the passage port of lower support frame, and push rod is hinged on lower support frame, and on top, position also heads on the left side of pressure bladder; Pressure bladder is placed in the through hole on connecting tube, connected tube and upper bracket compression fit, and its left side contacts with position on the top of push rod, and right side communicates with the hole of upper bracket; Porose on upper bracket; Control circuit has sensitive switch, and the actuation button of sensitive switch faces pressure bladder; Control circuit comprises D.C. regulated power supply, electric capacity C2, electric capacity C3, resistance R1, sensitive switch, NE555P timer, water pump relay K M and signal relay KM1.Use this device in water-stressed conditions can automatic closing water pump.
Description
Art
The utility model relates to a kind of protecting device for water pump, specifically a kind of water pump water shortage protective device.
Background technique
Water pump is when drainage works, and when the water in pond or well is taken out to the greatest extent, water pump can lack of water dally, and not only wastes electricity, and greatly affects the life-span of water pump.
Summary of the invention
The purpose of this utility model is to provide a kind of water pump water shortage protective device, in water-stressed conditions, and automatic closing water pump.
The technical solution adopted in the utility model: this water pump water shortage protective device comprises connecting tube, lower support frame, push rod, pressure bladder, upper bracket and a control circuit, described connecting tube there are import and export, for connecting the outlet pipe of water pump, connecting tube also have through hole, described lower support frame and connecting tube are connected, and it have a port, described push rod is placed in the passage port of lower support frame, and push rod is hinged on lower support frame, and push rod has upper position, top, on top, position is placed in the through hole on connecting tube, and on top, position also heads on the left side of pressure bladder, described pressure bladder is placed in the through hole on connecting tube, and is placed between connecting tube and upper bracket, connected tube and upper bracket compression fit, and its left side contacts with position on the top of push rod, and right side communicates with the hole of upper bracket, described upper bracket is connected on connecting tube, porose on it, described control circuit has sensitive switch, and sensitive switch is connected in the hole of upper bracket, and the actuation button of sensitive switch faces pressure bladder, described control circuit comprises the D.C. regulated power supply of transformer, triode D1-D4, electric capacity C1 composition, also comprises electric capacity C2, electric capacity C3, resistance R1, sensitive switch, NE555P timer, water pump relay K M and signal relay KM1, electric capacity C2 connects with resistance R1 and accesses D.C. regulated power supply, wherein electric capacity C2 termination enters the positive pole of D.C. regulated power supply, resistance R1 termination enters the negative pole of D.C. regulated power supply, electric capacity C2 and the branch of connecting of resistance R1 are accessed the trigger pin 2 of NE555P timer, threshold values pin 6, the normally-closed contact of water pump relay K M and signal relay KM1 is connected and is accessed D.C. regulated power supply, wherein water pump relay K M termination enters the positive pole of D.C. regulated power supply, the normally-closed contact termination of signal relay KM1 enters the negative pole of D.C. regulated power supply, the normally opened contact of sensitive switch is in parallel with the normally-closed contact of signal relay KM1, the reset pin 4 of NE555P timer, power pins 8 all accesses the positive pole of D.C. regulated power supply, the grounding pin 1 of NE555P timer accesses the negative pole of D.C. regulated power supply, the control pin 5 of NE555P timer accesses the negative pole of D.C. regulated power supply through electric capacity C3, the output pin 3 of NE555P timer accesses the negative pole of D.C. regulated power supply through signal relay KM1.
The beneficial effects of the utility model: in water-stressed conditions, automatic closing water pump.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described.
Fig. 1 is the overall structure schematic diagram of a kind of water pump water shortage protective device of the utility model.
Fig. 2 is the control circuit wiring diagram of a kind of water pump water shortage protective device of the utility model.
Embodiment
Fig. 1 represents the overall structure schematic diagram of a kind of water pump water shortage protective device of the utility model.Known by figure, this water pump water shortage protective device comprises connecting tube 1, lower support frame 2, push rod 4, pressure bladder 6, upper bracket 9 and a control circuit; Described connecting tube 1 there are import and export, for connecting the outlet pipe 11 of water pump, connecting tube 1 also have through hole 10; Described lower support frame 2 is connected with connecting tube 1, it has a port 3; Described push rod 4 is placed in port 3 place of lower support frame 2, and push rod 4 is hinged on lower support frame 2, and push rod 4 has upper position 5 place, top, on top, position 5 place is placed in through hole 10 place on connecting tube 1, and on top, position 5 place also heads on the left side of pressure bladder 6; Described pressure bladder 6 is placed in through hole 10 place on connecting tube 1, and is placed between connecting tube 1 and upper bracket 9, connected tube 1 and upper bracket 9 compression fit, and its left side contacts with position 5 place on the top of push rod 4, and right side communicates with the hole 8 of upper bracket 9; Described upper bracket 9 is connected on connecting tube 1, on it porose 8; Described control circuit has sensitive switch 7, sensitive switch 7 is connected in the hole 8 of upper bracket 9, and the actuation button of sensitive switch 7 faces pressure bladder 6.
Fig. 2 is the control circuit wiring diagram of a kind of water pump water shortage protective device of the utility model.Known by figure, described control circuit comprises the D.C. regulated power supply of transformer 12, triode D1-D4, electric capacity C1 composition, also comprises electric capacity C2, electric capacity C3, resistance R1, sensitive switch 7, NE555P timer 13, water pump relay K M and signal relay KM1, electric capacity C2 connects with resistance R1 and accesses D.C. regulated power supply, wherein electric capacity C2 termination enters the positive pole of D.C. regulated power supply, resistance R1 termination enters the negative pole of D.C. regulated power supply, electric capacity C2 and the branch of connecting of resistance R1 are accessed the trigger pin 2 of NE555P timer 13, threshold values pin 6, the normally-closed contact of water pump relay K M and signal relay KM1 is connected and is accessed D.C. regulated power supply, wherein water pump relay K M termination enters the positive pole of D.C. regulated power supply, the normally-closed contact termination of signal relay KM1 enters the negative pole of D.C. regulated power supply, the normally opened contact of sensitive switch 7 is in parallel with the normally-closed contact of signal relay KM1, the reset pin 4 of NE555P timer 13, power pins 8 all accesses the positive pole of D.C. regulated power supply, the grounding pin 1 of NE555P timer 13 accesses the negative pole of D.C. regulated power supply, the control pin 5 of NE555P timer 13 accesses the negative pole of D.C. regulated power supply through electric capacity C3, the output pin 3 of NE555P timer 13 accesses the negative pole of D.C. regulated power supply through signal relay KM1.
When the utility model is installed, connecting tube 1 is connected the outlet pipe 11 of water pump, water pump relay K M break-make controls the break-make of pump power, it is work like this: when electricity just plugged by water pump, the normally opened contact of sensitive switch 7 is opened, resistance R1 connects with electric capacity C2 and is in charged state, the voltage just having started electric capacity C2 two ends is zero, so that electric capacity C2 is high petential with the branch of connecting of resistance R1, the output pin 3 of NE555P timer 13 is low potential, signal relay KM1 not conducting, the normally-closed contact of signal relay KM1 closes, water pump relay K M is energized, the power end energising of water pump, if have water in pond or well, the import and export water flowing on connecting tube 1, push rod 4 is pushed open by water and is pushed up on pressure bladder 6, and the normally opened contact of sensitive switch 7 closes, and the power end of water pump is energized always, when lack of water in pond or well, import and export on connecting tube 1 are without water flowing, push rod 4 is not pushed open by water and is pushed up on pressure bladder 6, the normally opened contact of sensitive switch 7 is often opened, electric capacity C2 is charged to a certain degree, the voltage at its two ends is elevated to a certain degree, electric capacity C2 is made to be low potential with the branch of connecting of resistance R1, the output pin 3 of timer NE555P is high petential, signal relay KM1 conducting, the normally-closed contact of signal relay KM1 disconnects, water pump relay K M no electric circuit, make water pump power end no electric circuit in water-stressed conditions, pull out power supply.
In addition to the implementation, the present invention also has other mode of executions.All employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop in the protection domain of application claims.
Claims (1)
1. a water pump water shortage protective device, is characterized in that: this water pump water shortage protective device comprises connecting tube, lower support frame, push rod, pressure bladder, upper bracket and a control circuit, described connecting tube there are import and export, for connecting the outlet pipe of water pump, connecting tube also have through hole, described lower support frame and connecting tube are connected, and it have a port, described push rod is placed in the passage port of lower support frame, and push rod is hinged on lower support frame, and push rod has upper position, top, on top, position is placed in the through hole on connecting tube, and on top, position also heads on the left side of pressure bladder, described pressure bladder is placed in the through hole on connecting tube, and is placed between connecting tube and upper bracket, connected tube and upper bracket compression fit, and its left side contacts with position on the top of push rod, and right side communicates with the hole of upper bracket, described upper bracket is connected on connecting tube, porose on it, described control circuit has sensitive switch, and sensitive switch is connected in the hole of upper bracket, and the actuation button of sensitive switch faces pressure bladder, described control circuit comprises the D.C. regulated power supply of transformer, triode D1-D4, electric capacity C1 composition, also comprises electric capacity C2, electric capacity C3, resistance R1, sensitive switch, NE555P timer, water pump relay K M and signal relay KM1, electric capacity C2 connects with resistance R1 and accesses D.C. regulated power supply, wherein electric capacity C2 termination enters the positive pole of D.C. regulated power supply, resistance R1 termination enters the negative pole of D.C. regulated power supply, electric capacity C2 and the branch of connecting of resistance R1 are accessed the trigger pin 2 of NE555P timer, threshold values pin 6, the normally-closed contact of water pump relay K M and signal relay KM1 is connected and is accessed D.C. regulated power supply, wherein water pump relay K M termination enters the positive pole of D.C. regulated power supply, the normally-closed contact termination of signal relay KM1 enters the negative pole of D.C. regulated power supply, the normally opened contact of sensitive switch is in parallel with the normally-closed contact of signal relay KM1, the reset pin 4 of NE555P timer, power pins 8 all accesses the positive pole of D.C. regulated power supply, the grounding pin 1 of NE555P timer accesses the negative pole of D.C. regulated power supply, the control pin 5 of NE555P timer accesses the negative pole of D.C. regulated power supply through electric capacity C3, the output pin 3 of NE555P timer accesses the negative pole of D.C. regulated power supply through signal relay KM1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420488442.0U CN204041408U (en) | 2014-08-28 | 2014-08-28 | A kind of water pump water shortage protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420488442.0U CN204041408U (en) | 2014-08-28 | 2014-08-28 | A kind of water pump water shortage protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204041408U true CN204041408U (en) | 2014-12-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420488442.0U Expired - Fee Related CN204041408U (en) | 2014-08-28 | 2014-08-28 | A kind of water pump water shortage protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204041408U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436827A (en) * | 2016-11-21 | 2017-02-22 | 湘潭大学 | Domestic tap water storing and pressurizing tank device |
| CN107588013A (en) * | 2017-07-02 | 2018-01-16 | 胡君分 | A kind of immersible pump with anti-jamming function |
| CN109917686A (en) * | 2019-04-11 | 2019-06-21 | 赵华勇 | A kind of control circuit board and control system of medical rubber hose dipping machine |
| CN110451262A (en) * | 2019-08-20 | 2019-11-15 | 赵华勇 | A kind of control circuit board of medical rubber hose dipping machine |
| CN110966155A (en) * | 2019-12-24 | 2020-04-07 | 赵华勇 | Double-purpose straight-flow pump |
-
2014
- 2014-08-28 CN CN201420488442.0U patent/CN204041408U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436827A (en) * | 2016-11-21 | 2017-02-22 | 湘潭大学 | Domestic tap water storing and pressurizing tank device |
| CN106436827B (en) * | 2016-11-21 | 2018-09-11 | 湘潭大学 | A kind of household tap water water storage pressurization tank arrangement |
| CN107588013A (en) * | 2017-07-02 | 2018-01-16 | 胡君分 | A kind of immersible pump with anti-jamming function |
| CN109917686A (en) * | 2019-04-11 | 2019-06-21 | 赵华勇 | A kind of control circuit board and control system of medical rubber hose dipping machine |
| CN109917686B (en) * | 2019-04-11 | 2020-12-11 | 六安市匠心信息科技有限公司 | Control circuit board and control system of medical rubber tube immersion machine |
| CN110451262A (en) * | 2019-08-20 | 2019-11-15 | 赵华勇 | A kind of control circuit board of medical rubber hose dipping machine |
| CN110966155A (en) * | 2019-12-24 | 2020-04-07 | 赵华勇 | Double-purpose straight-flow 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: 20141224 Termination date: 20150828 |
|
| EXPY | Termination of patent right or utility model |