CN109209911B - Water pump system - Google Patents
Water pump system Download PDFInfo
- Publication number
- CN109209911B CN109209911B CN201811139749.9A CN201811139749A CN109209911B CN 109209911 B CN109209911 B CN 109209911B CN 201811139749 A CN201811139749 A CN 201811139749A CN 109209911 B CN109209911 B CN 109209911B
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- Prior art keywords
- circuit
- voltage
- power supply
- motor
- water pump
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P4/00—Arrangements specially adapted for regulating or controlling the speed or torque of electric motors that can be connected to two or more different electric power supplies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The invention discloses a water pump system, which comprises: a pump device, a motor circuit; the motor circuit includes: a power supply circuit; a drive circuit; the secondary circuit is used for driving the driving circuit by a secondary power supply which is derived from a power supply which is connected with the power supply circuit and has a first voltage or a second voltage and has a third voltage; a control circuit; the power circuit includes a first connection port having a first connection terminal, a second connection terminal, and a third connection terminal; a detection circuit; and the switch circuit is used for selectively connecting the first potentiometer or the second potentiometer to the control circuit. The water pump system has the advantage that the provided water pump system can adapt to various voltages.
Description
Technical Field
The invention relates to a water pump system.
Background
The power supply voltage of different regions of the world is different, and in order to adapt to different voltages, the conventional water pump system is usually provided with different motors to adapt to the changed voltage, so that the cost of the equipment is improved, and the complexity of the structure of the equipment and the weight of the whole equipment are increased.
Disclosure of Invention
To overcome the deficiencies of the prior art, the present invention provides a water pump system that solves the above problems.
In order to achieve the above object, the present invention adopts the following technical solutions:
a water pump system, the water pump system comprising: a pump device for transferring a fluid; the motor is used for driving the pump device to operate; the motor circuit is used for outputting electric energy to the motor; the motor circuit includes: the power supply circuit is used for connecting a power supply with a first voltage or a second voltage; a drive circuit for driving the motor; the secondary circuit is used for driving the driving circuit by a secondary power supply which is derived from a power supply which is connected with the power supply circuit and has a first voltage or a second voltage and has a third voltage; the control circuit is used for controlling the driving circuit to drive the motor according to a user operation instruction; the power supply circuit includes a first connection port having a first connection terminal, a second connection terminal, and a third connection terminal for accessing a power supply having a first voltage or a second voltage; the detection circuit is used for detecting a terminal accessed by a power supply accessed to the first connection port; the switch circuit is used for selectively connecting a first potentiometer or a second potentiometer for adjusting the rotating speed of the motor to the control circuit according to a terminal connected with a power supply connected to the first connecting port and detected by the detection circuit; when the detection circuit detects that the power supply connected to the first connecting port is connected to the power supply circuit through the first connecting terminal and the second connecting terminal, the switch circuit connects the first potentiometer to the control circuit; when the detection circuit detects that the power supply connected to the first connecting port is connected to the power supply circuit through the second connecting terminal and the third connecting terminal, the switch circuit connects the second potentiometer to the control circuit.
Further, when the power supply with the first voltage or the second voltage connected to the first connection port is connected to the power circuit through the first connection terminal and the second connection terminal, the rotation speed of the motor is greater than or equal to the rotation speed of the motor when the power supply is connected to the power circuit through the second connection terminal and the third connection terminal.
Further, the first potentiometer can adjust the rotating speed range of the motor to be 1801-3600 revolutions; the second potentiometer can adjust the rotating speed range of the motor to be 0-1800 revolutions.
Further, the water pump system also comprises a time-sharing controller; a power supply having a first voltage or a second voltage is connected to the first connection port through the time sharing controller.
Further, the water pump system also comprises a control box arranged on the outer surface of the motor, the motor circuit is arranged in the control box, and the first connecting port, the first potentiometer and the second potentiometer are arranged in the control box.
Further, the power supply circuit also comprises a second connection port with a fourth connection terminal and a fifth connection terminal for accessing a power supply with the first voltage or the second voltage.
Further, the protection level of the first potentiometer and the second potentiometer is IP 66.
Further, the first voltage is greater than the second voltage.
Further, the first voltage is 230V, and the second voltage is 115V.
Further, the second voltage is equal to the third voltage.
The water pump system has the advantage that the provided water pump system can adapt to various voltages.
Drawings
FIG. 1 is a schematic diagram of a water pump system of the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and the embodiments.
As shown in fig. 1, a water pump system includes: a pump device for delivering a fluid, a motor 1 for driving the pump device in operation and a motor circuit 2 for outputting electrical energy to the motor 1.
Specifically, the pump device generally has a suction port, a discharge port, and a rotary impeller to which a motor 1 shaft of the motor 1 is connected for driving the rotary impeller.
The motor circuit 2 includes: a power supply circuit 21, a drive circuit 22, a secondary circuit 23, a control circuit 24, a detection circuit 25, and a switch circuit 26. The power circuit 21 is used for connecting a power supply with a first voltage or a second voltage, and the driving circuit 22 is used for driving the motor 1; the secondary circuit 23 is used for driving the driving circuit 22 by a secondary power supply which is derived from a power supply with a first voltage or a second voltage and is connected with the power supply circuit 21 and has a third voltage, and the control circuit 24 is used for controlling the driving circuit 22 according to a user operation instruction so as to drive the motor 1. In this embodiment, the first voltage of the power source connected to the power circuit 21 is 230V, the second voltage is 115V, and the third voltage of the secondary circuit 23 is 115V.
Specifically, the power supply circuit 21 includes a first connection port 211 having a first connection terminal Hv-s for connecting to a power supply having a first voltage or a second voltage, a second connection terminal C, and a third connection terminal Lv-s. In the embodiment of the invention, the first connecting terminal Hv-s, the second connecting terminal C and the third connecting terminal Lv-s are a high-speed terminal Hv-s, a common terminal C and a low-speed terminal Lv-s respectively. When the motor 1 is required to work in a high rotation speed interval, the power supply is connected to the power supply circuit 21 through the high-speed terminal Hv-s and the common terminal C, and when the motor 1 is required to work in a low rotation speed interval, the power supply is connected to the power supply circuit 21 through the low-speed terminal Lv-s and the common terminal C.
The detection circuit 25 is used for detecting a terminal connected with a power supply connected to the first connection port 211, and the detection circuit 25 judges whether the motor 1 needs to work in a high rotation speed interval or in a low rotation speed interval by detecting whether the power supply is connected to the power supply circuit 21 through the high-speed terminal Hv-s and the common terminal C or the low-speed terminal Hv-s and the common terminal C is connected to the power supply circuit 21.
The switch circuit 26 is used for selectively connecting a first potentiometer Hs or a second potentiometer Ls for adjusting the rotating speed of the motor 1 to the control circuit 24 according to the terminal connected with the power supply connected to the first connection port 211 detected by the detection circuit 25. When the detection circuit 25 detects that the power supply connected to the first connection port 211 is connected to the power supply circuit 21 through the first connection terminal Hv-s and the second connection terminal C, the switch circuit 26 connects the first potentiometer Hs to the control circuit 24. When the detection circuit 25 detects that the power supply connected to the first connection port 211 is connected to the power supply circuit 21 through the second connection terminal C and the third connection terminal Lv-s, the switch circuit 26 connects the second potentiometer to the control circuit 24.
Specifically, the first potentiometer Hs is a high-speed potentiometer Hs, the second potentiometer Ls is a low-speed potentiometer Ls, and the protection levels of the high-speed potentiometer Hs and the low-speed potentiometer Ls are both IP 66. When the detection circuit 25 detects that the power is connected to the power circuit 21 through the high-speed terminal Hv-s and the common terminal C, the control switch circuit 26 is connected to the high-speed potentiometer Hs, and the user can adjust the motor 1 to work at different high speeds by adjusting the high-speed potentiometer Hs. When the detection circuit 25 detects that the power is connected to the power circuit 21 through the low-speed terminal Lv-s and the common terminal C, the control switch circuit 26 turns on the low-speed potentiometer Ls, and similarly, the user can adjust the operation of the motor 1 at different low speeds by adjusting the low-speed potentiometer Ls.
As a preferred embodiment, the first potentiometer can adjust the rotation speed of the motor 1 within the range of 1801 to 3600 revolutions. The second potentiometer can adjust the rotating speed range of the motor 1 to be 0-1800 revolutions.
Specifically, in the present embodiment, the motor 1 can operate between 0 and 3600 revolutions, and when power is supplied to the power circuit 21 through the high speed terminal Hv-s and the common terminal C, the motor 1 can operate between 1801 and 3600 revolutions by adjusting the high speed potentiometer Hs, and when power is supplied to the power circuit 21 through the low speed terminal Lv-s and the common terminal C, the motor 1 can operate between 0 and 1800 revolutions by adjusting the low speed potentiometer Ls.
As a preferred embodiment, the water pump system further comprises a time-sharing controller 3. The power source with the first voltage or the second voltage is connected to the first connection port 211 through the time-sharing controller 3.
Specifically, the time-sharing controller 3 has three ports matching with the high-speed terminal Hv-s, the common terminal C, and the low-speed terminal Lv-s of the first connection port 211, the power is first connected to the connection port 31 of the time-sharing controller 3, the time-sharing controller 3 can supply the voltage of the power supplied to the time-sharing controller 3 to the high-speed terminal Hv-s and the common terminal C through two ports matching with the high-speed terminal Hv-s and the common terminal C or to the low-speed terminal Hv-s and the common terminal C through two ports matching with the low-speed terminal Hv-s and the common terminal C in time periods according to a user control instruction, and the control of the motor 1 at different rotation speeds in different high and low time periods is realized by the time-sharing controller 3. Specifically, when the ports 32, 33 and 34, 35 are turned on, the time-sharing controller 3 supplies a voltage to the motor circuit 2 through the low-speed terminal Hv-s and the common terminal C, at which time the motor 1 operates at a low rotation speed, and when the ports 36, 37 and 38, 39 are turned on, the time-sharing controller 3 supplies a voltage to the motor circuit 2 through the high-speed terminal Hv-s and the common terminal C, at which time the motor 1 operates at a high rotation speed.
As a preferred embodiment, the water pump system further includes a control box disposed on an outer surface of the motor 1, the motor circuit 2 is disposed in the control box, and the first connection port 211, the first potentiometer and the second potentiometer are disposed in the control box.
Specifically, a control box is fixedly attached to an outer surface of the motor 1, a motor circuit 2 for controlling the operation of the motor 1 is provided in the control box and electrically connected to the motor 1, and the high speed terminal Hv-s, the common terminal C, and the low speed terminal Lv-s of the first connection port 211, and the high rotation speed potentiometer Hs and the low rotation speed potentiometer Ls are provided on the control box for operation.
As an alternative embodiment, the power supply circuit 21 further comprises a second connection port having a fourth connection terminal and a fifth connection terminal for accessing a power supply having the first voltage or the second voltage.
Specifically, the second connection port has two connection terminals for directly connecting the power supply.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.
Claims (10)
1. A water pump system, comprising: a pump device for transferring a fluid; the motor is used for driving the pump device to operate; a motor circuit for outputting electric power to the motor; the motor circuit includes: the power supply circuit is used for connecting a power supply with a first voltage or a second voltage; a drive circuit for driving the motor; the secondary circuit is used for driving the driving circuit by a secondary power supply which is derived from a power supply with a first voltage or a second voltage and connected to the power supply circuit and has a third voltage; the control circuit is used for controlling the driving circuit according to a user operation instruction so as to drive the motor; the power supply circuit includes a first connection port having a first connection terminal, a second connection terminal, and a third connection terminal for accessing a power supply having a first voltage or a second voltage; a detection circuit for detecting a terminal to which a power supply connected to the first connection port is connected; the switch circuit is used for selectively connecting a first potentiometer or a second potentiometer for adjusting the rotating speed of the motor to the control circuit according to a terminal connected with a power supply connected to the first connecting port and detected by the detection circuit; when the detection circuit detects that the power supply connected to the first connecting port is connected to the power supply circuit through the first connecting terminal and the second connecting terminal, the switch circuit connects the first potentiometer to the control circuit; when the detection circuit detects that the power supply connected to the first connecting port is connected to the power supply circuit through the second connecting terminal and the third connecting terminal, the switch circuit connects the second potentiometer to the control circuit.
2. A water pump system as claimed in claim 1,
when the power supply with the first voltage or the second voltage which is connected to the first connecting port is connected to the power circuit through the first connecting terminal and the second connecting terminal, the rotating speed of the motor is larger than or equal to the rotating speed of the motor when the power supply is connected to the power circuit through the second connecting terminal and the third connecting terminal.
3. A water pump system as claimed in claim 2,
the rotating speed range of the first potentiometer adjustable motor is 1801-3600 revolutions; the second potentiometer can adjust the rotating speed range of the motor to be 0-1800 revolutions.
4. A water pump system as claimed in claim 1,
the water pump system further comprises a time-sharing controller; a power supply having a first voltage or a second voltage is connected to the first connection port through the time sharing controller.
5. A water pump system as claimed in claim 1,
the water pump system further comprises a control box arranged on the outer surface of the motor, the motor circuit is arranged in the control box, and the first connecting port, the first potentiometer and the second potentiometer are arranged in the control box.
6. A water pump system as claimed in claim 1,
the power circuit further comprises a second connection port having a fourth connection terminal and a fifth connection terminal for accessing a power source having a first voltage or a second voltage.
7. A water pump system as claimed in claim 1,
the protection grade of the first potentiometer and the second potentiometer is IP 66.
8. A water pump system as claimed in claim 1,
the first voltage is greater than the second voltage.
9. A water pump system as claimed in claim 8,
the first voltage is 230V, and the second voltage is 115V.
10. A water pump system as claimed in claim 8,
the second voltage is equal to the third voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811139749.9A CN109209911B (en) | 2018-09-28 | 2018-09-28 | Water pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811139749.9A CN109209911B (en) | 2018-09-28 | 2018-09-28 | Water pump system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109209911A CN109209911A (en) | 2019-01-15 |
| CN109209911B true CN109209911B (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811139749.9A Active CN109209911B (en) | 2018-09-28 | 2018-09-28 | Water pump system |
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| Country | Link |
|---|---|
| CN (1) | CN109209911B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101599660A (en) * | 2008-06-06 | 2009-12-09 | 深圳市海洋王照明科技股份有限公司 | A kind of alternating current is changing method and system at random |
| CN202906807U (en) * | 2012-07-07 | 2013-04-24 | 浙江利欧股份有限公司 | Dual-voltage automatic changeover switch |
| CN203827228U (en) * | 2014-05-23 | 2014-09-10 | 东莞基业电气设备有限公司 | Motor control circuit for dual power switching device |
| CN105848960A (en) * | 2013-12-25 | 2016-08-10 | 丰田自动车株式会社 | Power supply system with multiple batteries |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI371906B (en) * | 2009-03-09 | 2012-09-01 | Delta Electronics Inc | Two-stage switching power conversion circuit |
-
2018
- 2018-09-28 CN CN201811139749.9A patent/CN109209911B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101599660A (en) * | 2008-06-06 | 2009-12-09 | 深圳市海洋王照明科技股份有限公司 | A kind of alternating current is changing method and system at random |
| CN202906807U (en) * | 2012-07-07 | 2013-04-24 | 浙江利欧股份有限公司 | Dual-voltage automatic changeover switch |
| CN105848960A (en) * | 2013-12-25 | 2016-08-10 | 丰田自动车株式会社 | Power supply system with multiple batteries |
| CN203827228U (en) * | 2014-05-23 | 2014-09-10 | 东莞基业电气设备有限公司 | Motor control circuit for dual power switching device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109209911A (en) | 2019-01-15 |
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