CN110966155A - Double-purpose straight-flow pump - Google Patents
Double-purpose straight-flow pump Download PDFInfo
- Publication number
- CN110966155A CN110966155A CN201911344674.2A CN201911344674A CN110966155A CN 110966155 A CN110966155 A CN 110966155A CN 201911344674 A CN201911344674 A CN 201911344674A CN 110966155 A CN110966155 A CN 110966155A
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- CN
- China
- Prior art keywords
- current
- direct
- direct current
- alternating current
- circuit
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
- H02K23/64—Motors specially adapted for running on DC or AC by choice
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention relates to a double-purpose straight-flow pump. The double-purpose direct current pump comprises a pump shell, a handle and two power lines, wherein the handle is fixedly connected to the upper surface of the pump shell, the upper surface of the pump shell is provided with two electric wire through holes, the two power lines are an alternating current power line and a direct current power line respectively, the two power lines penetrate through the two electric wire through holes respectively and are connected with a motor in the pump shell, and the two electric wire through holes are sealed; the circuit of the double-purpose direct current pump comprises an alternating current power line, a direct current motor, an alternating current-to-direct current circuit, a diode D1, a diode D2 and an alternating current starting circuit; the dual-purpose direct current pump can use both an alternating current power supply and a direct current power supply.
Description
Technical Field
The invention relates to a direct current pump, in particular to a dual-purpose direct current pump.
Background
The submerged pump is usually adopted for watering crops in the field, and as the alternating-current submerged pump needs to be connected with an alternating-current power supply, a long electric wire needs to be connected to the field from a place with commercial power, which is troublesome and has high purchase price; the direct current pump 1 is provided with a pump shell 2, a handle 4 and a power line as shown in figure 1, the upper surface of the pump shell 2 is provided with an electric wire through hole 3, the handle 4 is fixedly connected with the upper surface of the pump shell 2, the power line penetrates through the electric wire through hole 3 to be connected with a motor inside the pump shell 2, the outer surface of the power line is provided with an eraser, the eraser is provided with a step, the eraser step is positioned at the electric wire through hole 3, an iron plate is positioned on the step, the iron plate is fixedly connected with a bolt of the pump shell, and the eraser step is pressed by the; the direct current pump 1 is used only by driving the storage battery car to a field with the direct current pump 1, the direct current pump 1 is connected with a storage battery on the storage battery car to be used, but some problems also exist, for example, the direct current pump is sometimes used in a field far away from an alternating current power supply and also needs to be used in a place close to the alternating current power supply, the direct current pump cannot be used if the electric quantity of the storage battery is insufficient or the storage battery is damaged, the alternating current power supply needs to be used, the alternating current power supply is used if a switching power supply is adopted to convert the alternating current power supply into a current power supply, wiring is needed when the alternating current power supply is used, then wiring is needed when the direct current power supply is used, the switching power supply is exposed outside in the using process and water can enter possibly, and the alternating current and direct current power supply dual-.
Disclosure of Invention
The invention aims to provide a dual-purpose direct current pump capable of being used by both an alternating current power supply and a direct current power supply.
The invention is realized by the following steps: the dual-purpose direct current pump comprises a pump shell, a handle and two power lines, wherein the handle is fixedly connected to the upper surface of the pump shell, the upper surface of the pump shell is provided with two electric wire through holes, the two power lines are an alternating current power line and a direct current power line respectively, the two power lines penetrate through the two electric wire through holes respectively to be connected with a motor inside the pump shell, and the two electric wire through holes are sealed (in a sealing mode the same as that of a common direct current pump); the circuit of the double-purpose direct current pump comprises an alternating current power line, a direct current motor, an alternating current-to-direct current circuit, a diode D1, a diode D2 and an alternating current starting circuit; the direct current motor, the alternating current-to-direct current circuit, the diode D1, the diode D2 and the alternating current starting circuit are all positioned on the inner side of the pump shell; the alternating current power line is connected with an alternating current input end of the alternating current to direct current conversion circuit (the alternating current to direct current conversion circuit can select a circuit module on the market); the alternating current starting circuit comprises a resistor R1, a resistor R2, a capacitor C1, a capacitor C2, an NE555P timer, a coil of a relay KM and a normally closed contact of the relay KM, a resistor R2 and a capacitor C1 are connected in series and are connected to a direct current output end of an alternating current-to-direct current circuit, a resistor R2 is connected to an anode of the direct current output end of the alternating current-to-direct current circuit, a capacitor C1 is connected to a cathode of the direct current output end of the alternating current-to-direct current circuit, a resistor R2 and a capacitor C1 are connected in series at a branch point to a trigger pin 2 and a threshold pin 6 of an NE555P timer, a reset pin 4 and a power supply pin 8 of an NE555P timer are connected to an anode of the direct current output end of the alternating current-to-direct current circuit, a ground pin 1 of the NE P timer is connected to a cathode of the direct current output end of the alternating current-to a direct current output end of the alternating current-to direct current circuit, a control pin 5 of the NE555P timer is connected to a cathode of the direct current, the normally closed contact of the relay KM is connected with a resistor R1 in parallel, one end of the normally closed contact of the relay KM is connected with the anode of the direct-current output end of the alternating-current to direct-current conversion circuit, the other end of the normally closed contact of the relay KM is connected with the anode of a diode D2, the cathode of a diode D2 is connected with the anode of a direct-current motor, the cathode of the direct-current output end of the alternating-current to direct-current conversion circuit is connected with the cathode of the direct-current motor, the anode wiring of a direct-current power line is connected with the anode of a diode D1, the cathode of the diode D1 is connected with.
The invention has the beneficial effects that: a dual-purpose DC pump which can be used by both AC power supply and DC power supply.
Drawings
The invention is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic view of an external appearance of a conventional direct flow pump.
Fig. 2 is a schematic external view of the dual use dc pump of the present invention.
Fig. 3 is an overall circuit schematic of the present invention.
In the figure:
1: and (3) direct current pump 2: the pump housing 3: wire through hole 4: and (5) a handle: ac power supply line 6: dc power supply line 7: the direct current motor 8: NE555P timer 9: an AC to DC converter circuit.
Detailed Description
Fig. 2 is a schematic external view of the dual use dc pump of the present invention. As shown in the figure, the dual-purpose direct current pump comprises a pump shell 2, a handle 4 and power lines, wherein the handle 4 is fixedly connected to the upper surface of the pump shell 2, two electric wire through holes 3 are formed in the upper surface of the pump shell 2, two power lines are respectively an alternating current power line 5 and a direct current power line 6, the two power lines respectively penetrate through the two electric wire through holes 3 to be connected with a motor inside the pump shell 2, and the two electric wire through holes 3 are sealed (in a sealing mode the same as that of a common direct current pump); the circuit of the double-purpose direct current pump comprises an alternating current power line 5, a direct current power line 6, a direct current motor 7, an alternating current-to-direct current circuit 9, a diode D1, a diode D2 and an alternating current starting circuit; the direct current motor 7, the alternating current-to-direct current circuit 9, the diode D1, the diode D2 and the alternating current starting circuit are all positioned on the inner side of the pump shell 2; the alternating current power line 5 is connected with an alternating current input end of an alternating current-to-direct current circuit 9 (the alternating current-to-direct current circuit 9 can select a circuit module on the market); the alternating current starting circuit comprises a resistor R1, a resistor R2, a capacitor C1, a capacitor C2, an NE555P timer 8, a coil of a relay KM and a normally closed contact of the relay KM, wherein the resistor R2 and the capacitor C1 are connected in series and are connected into a direct current output end of an alternating current-to-direct current circuit 9, a resistor R2 is connected into the positive electrode of the direct current output end of the alternating current-to-direct current circuit 9, a capacitor C1 is connected into the negative electrode of the direct current output end of the alternating current-to-direct current circuit 9, the series connection point of a resistor R2 and a capacitor C1 is connected into a trigger pin 2 and a threshold pin 6 of the NE555P timer 8, a reset pin 4 of the NE555P timer 8 and a power supply pin 8 are connected into the positive electrode of the direct current output end of the alternating current-to-direct current circuit 9, a grounding pin 1 of the NE555P timer 8 is connected into the negative electrode of the direct current output end of the alternating current-to, an output pin 3 of the NE555P timer 8 is connected with a cathode of a direct-current output end of the alternating-current to direct-current circuit 9 through a coil of the relay KM, a normally closed contact of the relay KM is connected with a resistor R1 in parallel, one end of the normally closed contact of the relay KM is connected with an anode of the direct-current output end of the alternating-current to direct-current circuit 9, the other end of the normally closed contact of the relay KM is connected with an anode of a diode D2, a cathode of a diode D2 is connected with an anode of the direct-current motor 7, a cathode of the direct-current output end of the alternating-current to direct-current circuit 9 is connected with a cathode of the direct-current motor 7, an anode wire of the direct-current power line 6 is connected with an anode of the diode D1.
The dual-purpose straight-flow pump of the invention works as follows: when a direct-current power supply such as a storage battery is used, the positive connection wire of the direct-current power supply wire 6 is directly connected with the positive electrode of the direct-current power supply, the negative connection wire of the direct-current power supply wire 6 is connected with the negative electrode of the direct-current power supply, and thus the direct-current power supply directly drives the direct-current motor 7; if an alternating current power supply is used, an alternating current power supply line 5 is connected with an alternating current power supply, the current power supply is converted into direct current through an alternating current to direct current circuit, when the alternating current power supply is connected, the direct current output end of an alternating current to direct current circuit 9 is electrified, a capacitor C1 starts charging, when the alternating current power supply is started, the voltage at the serial branch point of C1 and R2 is low voltage, a trigger pin 2 and a threshold pin 6 of an NE555P timer 8 are low potential, an output pin 3 of the NE555P timer 8 is high voltage, a coil of a relay KM is electrified, a normally closed contact of the relay KM is disconnected, the positive electrode current of the direct current output end of the alternating current to direct current circuit 9 flows through a resistor R1 (the starting current is large, the alternating current to direct current circuit module with large power is needed, the size of the alternating current to direct current circuit module is also large, the influence of being placed in a pump shell 2, the starting of a series, the current flows into the negative electrode of the direct current output end of the alternating current-to-direct current circuit 9 through the negative electrode of the direct current motor 7, the direct current motor 7 is started, after a period of time, C1 is charged to a certain degree, the voltage at the point of the serial connection of C1 and R2 is high voltage, the trigger pin 2 and the threshold pin 6 of the NE555P timer 8 are high potential, the output pin 3 of the NE555P timer 8 is low voltage, the coil of the relay KM is powered off, the normally closed contact of the relay KM is closed, the positive electrode current of the direct current output end of the alternating current-to-direct current circuit 9 flows through the normally closed contact of the relay KM and then flows into the positive electrode of the direct current motor 7 through the diode D2, the current flows into the negative electrode of the direct current output end of the alternating current-to-direct current circuit.
For a low-power direct-current pump, the alternating-current starting circuit can be removed, at this time, the positive electrode of the direct-current output end of the alternating-current to direct-current circuit 9 is connected to the positive electrode of the diode D2, the negative electrode of the diode D2 is connected to the positive electrode of the direct-current motor 7, and the negative electrode of the direct-current output end of the alternating-current to direct-current circuit 9 is connected to the negative electrode of the direct-current motor 7.
The ac power line 5 in the above technical solution is connected to a power plug, which can be distinguished from a dc power line.
In addition to the above embodiments, the present invention has other embodiments. All technical equivalents and equivalents which may be substituted for one another are intended to fall within the scope of the claims.
Claims (2)
1. The utility model provides a straight flow pump of double-purpose, includes pump case, handle and power cord, and the handle links firmly the upper surface at the pump case, its characterized in that: the upper surface of the pump shell is provided with two electric wire through holes, two power wires are provided and are respectively an alternating current power wire and a direct current power wire, the two power wires respectively penetrate through the two electric wire through holes to be connected with a motor in the pump shell, and the two electric wire through holes are sealed; the circuit of the double-purpose direct current pump comprises an alternating current power line, a direct current motor, an alternating current-to-direct current circuit, a diode D1, a diode D2 and an alternating current starting circuit; the direct current motor, the alternating current-to-direct current circuit, the diode D1, the diode D2 and the alternating current starting circuit are all positioned on the inner side of the pump shell; the alternating current power line is connected with an alternating current input end of the alternating current-to-direct current circuit; the alternating current starting circuit comprises a resistor R1, a resistor R2, a capacitor C1, a capacitor C2, an NE555P timer, a coil of a relay KM and a normally closed contact of the relay KM, a resistor R2 and a capacitor C1 are connected in series and are connected to a direct current output end of an alternating current-to-direct current circuit, a resistor R2 is connected to an anode of the direct current output end of the alternating current-to-direct current circuit, a capacitor C1 is connected to a cathode of the direct current output end of the alternating current-to-direct current circuit, a resistor R2 and a capacitor C1 are connected in series at a branch point to a trigger pin 2 and a threshold pin 6 of an NE555P timer, a reset pin 4 and a power supply pin 8 of an NE555P timer are connected to an anode of the direct current output end of the alternating current-to-direct current circuit, a ground pin 1 of the NE P timer is connected to a cathode of the direct current output end of the alternating current-to a direct current output end of the alternating current-to direct current circuit, a control pin 5 of the NE555P timer is connected to a cathode of the direct current, the normally closed contact of the relay KM is connected with a resistor R1 in parallel, one end of the normally closed contact of the relay KM is connected with the anode of the direct-current output end of the alternating-current to direct-current conversion circuit, the other end of the normally closed contact of the relay KM is connected with the anode of a diode D2, the cathode of a diode D2 is connected with the anode of a direct-current motor, the cathode of the direct-current output end of the alternating-current to direct-current conversion circuit is connected with the cathode of the direct-current motor, the anode wiring of a direct-current power line is connected with the anode of a diode D1, the cathode of the diode D1 is connected with.
2. A dual use direct flow pump according to claim 1, wherein: the alternating current power line in the technical scheme is connected with a power plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344674.2A CN110966155A (en) | 2019-12-24 | 2019-12-24 | Double-purpose straight-flow pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344674.2A CN110966155A (en) | 2019-12-24 | 2019-12-24 | Double-purpose straight-flow pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110966155A true CN110966155A (en) | 2020-04-07 |
Family
ID=70036272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911344674.2A Withdrawn CN110966155A (en) | 2019-12-24 | 2019-12-24 | Double-purpose straight-flow pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110966155A (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2150366Y (en) * | 1993-01-19 | 1993-12-22 | 袁巨龙 | AC/DC two-purpose portable pump for liquid |
| CN2356444Y (en) * | 1998-12-02 | 1999-12-29 | 郭长信 | Motor protector with delay automatic starter |
| CN102566610A (en) * | 2012-02-18 | 2012-07-11 | 黄勇 | Water level controller made of NE555 integrated circuit |
| CN202402248U (en) * | 2011-11-14 | 2012-08-29 | 宁波展望电器有限公司 | DC-AC (direct current-alternating current) inflating pump |
| CN104218551A (en) * | 2013-05-30 | 2014-12-17 | 海洋王（东莞）照明科技有限公司 | Lamp surge protection circuit and lamp |
| CN204041408U (en) * | 2014-08-28 | 2014-12-24 | 胡君分 | A kind of water pump water shortage protective device |
| CN104377972A (en) * | 2014-12-03 | 2015-02-25 | 安徽士华机电设备科技有限公司 | Direct-current and alternating-current dual-purpose water pump |
| CN204771062U (en) * | 2015-07-08 | 2015-11-18 | 苏州能华节能环保科技有限公司 | Electric welding electricity -saving appliance |
| CN205172973U (en) * | 2015-10-27 | 2016-04-20 | 余雷 | High -efficient low consumption solar pump |
| CN205389127U (en) * | 2016-03-22 | 2016-07-20 | 东北石油大学 | Nickel cadmium cell charger |
| CN205945510U (en) * | 2016-08-12 | 2017-02-08 | 浙江威盾机械科技有限公司 | Can realize electronic lubricant pump of conversion between alternating current and direct current |
| CN206272494U (en) * | 2016-12-20 | 2017-06-20 | 上海和宗焊接设备制造有限公司 | A kind of converter circuit based on NE555 chips |
| CN107370408A (en) * | 2017-08-30 | 2017-11-21 | 湖北天禾立方智能科技发展有限公司 | Inverter power circuit |
| CN107607856A (en) * | 2017-09-20 | 2018-01-19 | 胡君分 | A kind of circuit board for testing intelligent self priming pump circuit board |
| CN109905948A (en) * | 2017-12-11 | 2019-06-18 | 成都熠辉科技有限公司 | A kind of light energy-saving control system |
-
2019
- 2019-12-24 CN CN201911344674.2A patent/CN110966155A/en not_active Withdrawn
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2150366Y (en) * | 1993-01-19 | 1993-12-22 | 袁巨龙 | AC/DC two-purpose portable pump for liquid |
| CN2356444Y (en) * | 1998-12-02 | 1999-12-29 | 郭长信 | Motor protector with delay automatic starter |
| CN202402248U (en) * | 2011-11-14 | 2012-08-29 | 宁波展望电器有限公司 | DC-AC (direct current-alternating current) inflating pump |
| CN102566610A (en) * | 2012-02-18 | 2012-07-11 | 黄勇 | Water level controller made of NE555 integrated circuit |
| CN104218551A (en) * | 2013-05-30 | 2014-12-17 | 海洋王（东莞）照明科技有限公司 | Lamp surge protection circuit and lamp |
| CN204041408U (en) * | 2014-08-28 | 2014-12-24 | 胡君分 | A kind of water pump water shortage protective device |
| CN104377972A (en) * | 2014-12-03 | 2015-02-25 | 安徽士华机电设备科技有限公司 | Direct-current and alternating-current dual-purpose water pump |
| CN204771062U (en) * | 2015-07-08 | 2015-11-18 | 苏州能华节能环保科技有限公司 | Electric welding electricity -saving appliance |
| CN205172973U (en) * | 2015-10-27 | 2016-04-20 | 余雷 | High -efficient low consumption solar pump |
| CN205389127U (en) * | 2016-03-22 | 2016-07-20 | 东北石油大学 | Nickel cadmium cell charger |
| CN205945510U (en) * | 2016-08-12 | 2017-02-08 | 浙江威盾机械科技有限公司 | Can realize electronic lubricant pump of conversion between alternating current and direct current |
| CN206272494U (en) * | 2016-12-20 | 2017-06-20 | 上海和宗焊接设备制造有限公司 | A kind of converter circuit based on NE555 chips |
| CN107370408A (en) * | 2017-08-30 | 2017-11-21 | 湖北天禾立方智能科技发展有限公司 | Inverter power circuit |
| CN107607856A (en) * | 2017-09-20 | 2018-01-19 | 胡君分 | A kind of circuit board for testing intelligent self priming pump circuit board |
| CN109905948A (en) * | 2017-12-11 | 2019-06-18 | 成都熠辉科技有限公司 | A kind of light energy-saving control system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200407 |
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| WW01 | Invention patent application withdrawn after publication |