CN206144803U - Energy -efficient little miniature centrifugal water pump - Google Patents
Energy -efficient little miniature centrifugal water pump Download PDFInfo
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- CN206144803U CN206144803U CN201621100183.5U CN201621100183U CN206144803U CN 206144803 U CN206144803 U CN 206144803U CN 201621100183 U CN201621100183 U CN 201621100183U CN 206144803 U CN206144803 U CN 206144803U
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Abstract
The utility model provides an energy -efficient little miniature centrifugal water pump, include permanent magnet brushless DC motor (1) and receive permanent magnet brushless DC motor (1) the driven pump body (2), permanent magnet brushless DC motor (1) is provided with photo -electric control component or hall controlling element (17), configuration rectifier bridge in photo -electric control component or hall controlling element (17), the rectifier bridge turns into the direct current with the alternating current, rotor (14) of permanent magnet brushless DC motor (1) self contain high magnetic flux density's magnetically hard material, and stator (15) are including the several coil winding, the several coil winding of hall controlling element (17) control stators (15) forms rotating field according to the the direction of current flow of law switch -on direct current in order to change the coil winding, and rotating field attracts rotor (14) rotatory thereupon, and impeller (22) of final drive pump (2) are rotatory. The utility model discloses an energy -efficient little miniature centrifugal water pump can improve the whole efficiency of pump, practices thrift the energy consumption.
Description
Technical field
The utility model is related to pump technology field, more particularly to a kind of energy-efficient little Minitype centrifugal water pump.
Background technology
Water pump (Pump) be it is a kind of be to fluid acting machinery, for increasing the pressure of liquid, make liquid transport flow.
In industrial production and daily life, water pump is used for conveying the liquid of clear water and other physics, chemical property similar to water, its
Using relatively broad, such as public waterworks, Air-conditioning Cycle Hydraulic Projects, boiler water supply, pressurized water supply, spraying system of fire fighting, irrigation,
The fields such as power station, industrial water supply system, shipping industry and petroleum refining industry.
Water pump is divided into multiclass according to operation principle, wherein just including centrifugal water pump.Before centrifugal water pump starts, first by pump chamber and
Water inlet pipe fills water, and after operating, in the presence of the centrifugal force for rotating at a high speed in impeller and producing, the water in impeller channel is thrown toward
Surrounding, impeller eye forms vacuum, and extraneous water is inhaled into along water inlet pipe supplements this space at atmosheric pressure, inhales then
The water for entering is thrown away by impeller and enters outlet pipe again, therefore centrifugal water pump rotates at a high speed the effect of produced centrifugal force in impeller
Under, can continuously absorb water, press water, complete the conveying to water.
According to JBT9804-2014 technical standards, centrifugal pump of the input power less than (containing) 3KW is little Minitype centrifugal water pump.
The structure of traditional little Minitype centrifugal water pump including AC induction motor 100 and by AC induction motor 100 as shown in figure 1, drive
The dynamic pump housing 200.The AC induction motor 100 includes shell 110, the main shaft 120 in shell 110, supports main shaft 120
Bearing 130, the rotor 140 that is set on main shaft 120 and be surrounded on the periphery of rotor 140 and be fixed on the inner peripheral surface of shell 110
On stator 150；The pump housing 200 is including pump case 210, in the interior impeller being set on the end of the main shaft 120 of pump case 210
The mechanical sealing member 230 in gap between 220 and sealing main shaft 120 and impeller 220.
The course of work of little Minitype centrifugal water pump is shown in Fig. 1：The copper cash of stator 150 produces magnetic field, rotor 140 after being powered
Rotate under the influence of a magnetic field, drive main shaft 120 to rotate, and then rotated by the impeller 220 of main shaft 120, by the water in pump chamber
Continuously send.
Above-mentioned traditional little Minitype centrifugal water pump has the drawback that：Due to the alternating current impression of little Minitype centrifugal water pump configuration
The efficiency of motor is low, causes the whole efficiency of pump relatively low.
Utility model content
The purpose of this utility model is to provide a kind of little Minitype centrifugal water pump, it is possible to increase the whole efficiency of pump, saving energy consumption.
For achieving the above object, the utility model provides a kind of energy-efficient little Minitype centrifugal water pump, including DC
Brushless electric machine and the pump housing driven by non-brush permanent-magnet DC motor；
The non-brush permanent-magnet DC motor include shell, the main shaft located inside the shell, the rotor being set on main shaft, surround
In rotor periphery and be fixed on shell inner peripheral surface stator, located inside the shell and with stator be electrically connected with photoelectric control components
Or the Wiring circuit board of Hall control element and electric connection photoelectric control components or Hall control element；The photoelectric control
Rectifier bridge is configured in element processed or Hall control element；The Wiring circuit board external AC power supply, the rectifier bridge will be exchanged
Electricity is converted into direct current；The rotor itself contains the permanent-magnet material of high magnetic flux density；The stator includes several coil windings,
Several coil windings of the Hall control element control stator are connected direct current to change the electric current side of coil windings by rule
To formation rotating excitation field；
The pump housing includes pump case, the impeller being set in pump case on the main shaft end.
The non-brush permanent-magnet DC motor is also including the bearing of supports main shaft；The pump housing also includes sealing main shaft and impeller
Between gap mechanical sealing member.
The permanent-magnet material of the high magnetic flux density is neodymium, iron, the heap stack combination of boron.
The stator includes three coil windings, and three coil windings adopt Y-connection, constitute six grades of three-phase；
The Hall control element controls three coil windings and connects direct current by rule；Often walk three coil windings
In, a winding inflow current a, winding flows out electric current, and a remaining winding is not turned on, and often changes a step only one
Coil windings are by commutation.
The rotating excitation field that stator is formed often walks 60 degree of rotation, rotates a circle per 6 steps.
The Hall control element controls the galvanic order of three coil windings connection：The first step, First Line
Circle winding inflow current, second coil winding flows out electric current；Second step, tertiary coil winding inflow current, second coil winding
Flow out electric current；3rd step, tertiary coil winding inflow current, first coil winding flows out electric current；4th step, second coil winding
Inflow current, first coil winding flows out electric current；5th step, second coil winding inflow current, tertiary coil winding flows out electricity
Stream；6th step, first coil winding inflow current, tertiary coil winding flows out electric current.
Optionally, the energy-efficient little Minitype centrifugal water pump adopts horizontal installation, and the bearing of trend of the main shaft is parallel
In horizontal plane.
Optionally, the energy-efficient little Minitype centrifugal water pump adopts vertical installation, and the bearing of trend of the main shaft is vertical
In horizontal plane；The pump case is fixed on flange.
The beneficial effects of the utility model：A kind of energy-efficient little Minitype centrifugal water pump that the utility model is provided, adopts
Non-brush permanent-magnet DC motor replaces small-sized AC induction motor to drive the pump housing, due to identical output in the case of, minitype permanent magnetism is straight
The efficiency of stream brushless electric machine is higher than the efficiency of small-sized AC induction motor, and the corresponding whole efficiency of pump is improved, and input power is reduced, energy
Consumption is reduced.
Description of the drawings
In order to be able to be further understood that feature of the present utility model and technology contents, refer to new below in connection with this practicality
The detailed description of type and accompanying drawing, but accompanying drawing only provides with reference to and illustrates to use, not for being any limitation as to the utility model.
In accompanying drawing,
Fig. 1 is the half-sectional structural representation of traditional little Minitype centrifugal water pump；
Fig. 2 is the half-sectional structural representation of the little Minitype centrifugal water pump of Horizontal high efficient energy saving in the utility model；
Fig. 3 is the half-sectional structural representation of the little Minitype centrifugal water pump of vertical high-efficiency energy-saving in the utility model；
Fig. 4 is the structural representation of the stator of motor and rotor in energy-efficient little Minitype centrifugal water pump of the present utility model
Figure；
Fig. 5 is the schematic diagram of motor operation principle in energy-efficient little Minitype centrifugal water pump of the present utility model.
Specific embodiment
Further to illustrate technological means and its effect that the utility model taken, below in conjunction with of the present utility model
Preferred embodiment and its accompanying drawing are described in detail.
Please refer to Fig. 2, Fig. 4 and Fig. 5, or Fig. 3, Fig. 4 and Fig. 5, the utility model provides a kind of energy-efficient
Little Minitype centrifugal water pump, the energy-efficient little Minitype centrifugal water pump wherein shown in Fig. 2 adopts horizontal installation, efficient shown in Fig. 3
The little Minitype centrifugal water pump of energy-conservation adopts vertical installation.
As shown in Fig. 2 or Fig. 3, no matter using horizontal installation or vertical installation, it is of the present utility model energy-efficient little micro-
The pump housing 2 that type centrifugal water pump includes non-brush permanent-magnet DC motor 1 and driven by non-brush permanent-magnet DC motor 1.
The non-brush permanent-magnet DC motor 1 includes shell 11, the main shaft 12 in shell 11, the bearing of supports main shaft 12
13rd, the rotor 14 that is set on main shaft 12, be surrounded on the periphery of rotor 14 and be fixed on the inner peripheral surface of shell 11 stator 15, be located at
The photoelectric control components being electrically connected with shell 11 and with stator 15 or Hall control element 17 and electric connection photo-electric control
The Wiring circuit board 19 of element or Hall control element 17.
The pump housing 2 includes pump case 21, leads in the interior impeller 22 being set on the end of the main shaft 12 of pump case 21 and sealing
The mechanical sealing member 23 in gap between axle 12 and impeller 22.
For shown in Fig. 2 adopt horizontally-mounted energy-efficient little Minitype centrifugal water pump, the bearing of trend of the main shaft 12
Parallel to horizontal plane；For the energy-efficient little Minitype centrifugal water pump shown in Fig. 3 using vertical installation, the extension of the main shaft 12
Direction is perpendicular to horizontal plane, and the pump case 21 is fixed on flange 25.
Emphasis it should be noted that：The external AC power supply of the Wiring circuit board 19, the photoelectric control components or Hall
Rectifier bridge (not shown) is configured in control element 17, AC conversion is direct current by the rectifier bridge.The rotor 14 contains itself
Have the permanent-magnet material of high magnetic flux density, further, the permanent-magnet material of the high magnetic flux density be preferably neodymium (Nd), iron (Fe),
The heap stack combination of boron (B), it is of course also possible to from other suitable materials with high magnetic flux density.The stator 15 includes number
Individual coil windings, several coil windings of the control of Hall control element 17 stator 15 are connected direct current to change line by rule
The sense of current of circle winding, forms rotating excitation field, is a pair of magnetic because rotor 14 itself contains the permanent-magnet material of high magnetic flux density
Pole, rotor field produces pulling force and rotor 14 is rotated with the rotating excitation field interaction of stator, and rotor 14 drives main shaft 12 to revolve
Turn, the impeller 22 coaxial with rotor 14 is driven in rotation, and pump working continuously sends the water in pump chamber.
The stator 15 can be, but not limited to include three coil windings, can also be four or five coil windings.Such as
Shown in Fig. 4, so that stator 15 includes three coil windings A, B, C as an example, it is similar to that the stator of AC three-phase motor, described
Three coil windings A, B, C adopt Y-connection, first coil winding A to be serially connected by intermediate terminal a, most terminating
The sub- COM of common terminal, second coil winding B is serially connected by intermediate terminal b, most terminating common terminal
COM, tertiary coil winding C is serially connected by intermediate terminal c, most the sub- COM of terminating common terminal, constitutes three-phase six
Level.
As shown in figure 5, the Hall control element 17 controls three coil windings A, B, C connects direct current by rule
To change the sense of current of coil windings, rotating excitation field is formed.The sense of current is changed and be once referred to as a step, often walk three coils
In winding A, B, C, a winding inflow current, winding flows out electric current, and a remaining winding is not turned on, and often changes one
Step only one coil windings are by commutation.For including three coil windings A, B, the stators 15 of C, its rotating excitation field for being formed
60 degree of often step rotation, rotates a circle per 6 steps.Specifically, the Hall control element 17 controls three coil windings A, B, the C
Connecting galvanic order is：The first step, first coil winding A inflow currents, second coil winding B flows out electric current, is labeled as A
+B-；Second step, tertiary coil winding C inflow currents, second coil winding B flows out electric current, is labeled as C+B-；3rd step, the 3rd
Coil windings C inflow current, first coil winding A flows out electric current, is labeled as C+A-；4th step, second coil winding B flows into electricity
Stream, first coil winding A flows out electric current, is labeled as B+A-；5th step, second coil winding B inflow current, tertiary coil winding
C flows out electric current, is labeled as B+C-；6th step, first coil winding A inflow currents, tertiary coil winding C flows out electric current, mark
For A+C-.With the change of the sense of current of each coil windings, stator field rotation, attract rotor 14 to rotate with, drive same
The impeller 22 of axle rotates, and water pump is operated.
In the case of identical output, the efficiency of non-brush permanent-magnet DC motor higher than AC induction motor efficiency 30% with
On, its input power is just corresponding to reduce by more than 30%, and power consumption accordingly reduces by more than 30%.It is of the present utility model energy-efficient little micro-
Motor is configured and changed with for after non-brush permanent-magnet DC motor by AC induction motor by type centrifugal water pump, it is possible to increase the whole efficiency of pump,
Reach the purpose of energy-conservation.
In sum, energy-efficient little Minitype centrifugal water pump of the present utility model, is replaced using non-brush permanent-magnet DC motor
Small-sized AC induction motor drives the pump housing, and in the case of identical output, the efficiency of minitype permanent magnetism DC brushless motor is higher than
The efficiency of small-sized AC induction motor, the corresponding whole efficiency of pump is improved, and input power is reduced, and energy consumption is reduced.
The above, for the person of ordinary skill of the art, can according to the technical solution of the utility model and
Technology design makes other various corresponding changes and deformation, and all these changes and deformation should all belong to the utility model power
The protection domain that profit is required.
Claims (8)
1. a kind of energy-efficient little Minitype centrifugal water pump, it is characterised in that including non-brush permanent-magnet DC motor (1) and by permanent magnetism
The pump housing (2) that DC brushless motor (1) drives；
The non-brush permanent-magnet DC motor (1) including shell (11), the main shaft (12) in shell (11), be set in main shaft
(12) rotor (14) on, be surrounded on rotor (14) periphery and be fixed on shell (11) inner peripheral surface stator (15), located at outer
The photoelectric control components being electrically connected with shell (11) and with stator (15) or Hall control element (17) and electric connection photoelectricity
The Wiring circuit board (19) of control element or Hall control element (17)；The photoelectric control components or Hall control element (17)
Middle configuration rectifier bridge；AC conversion is direct current by Wiring circuit board (19) external AC power supply, the rectifier bridge；Institute
State the permanent-magnet material that rotor (14) itself contains high magnetic flux density；The stator (15) is including several coil windings, the Hall
Several coil windings of control element (17) control stator (15) are connected direct current to change the electric current side of coil windings by rule
To formation rotating excitation field；
The pump housing (2) is including pump case (21), in the interior impeller (22) being set on the main shaft (12) end of pump case (21).
2. energy-efficient little Minitype centrifugal water pump as claimed in claim 1, it is characterised in that the non-brush permanent-magnet DC motor
(1) also including the bearing (13) of supports main shaft (12)；Between the pump housing (2) also includes between sealing main shaft (12) and impeller (22)
The mechanical sealing member (23) of gap.
3. energy-efficient little Minitype centrifugal water pump as claimed in claim 1, it is characterised in that the permanent magnetism of the high magnetic flux density
Material is neodymium, iron, the heap stack combination of boron.
4. energy-efficient little Minitype centrifugal water pump as claimed in claim 1, it is characterised in that the stator (15) is including three
Coil windings (A, B, C), three coil windings (A, B, C) adopt Y-connection, constitute six grades of three-phase；
The Hall control element (17) controls three coil windings (A, B, C) and connects direct current by rule；Often walk three
In coil windings (A, B, C), a winding inflow current a, winding flows out electric current, and a remaining winding is not turned on, and often
Change a step only one coil windings by commutation.
5. energy-efficient little Minitype centrifugal water pump as claimed in claim 4, it is characterised in that the rotary magnetic that stator (15) is formed
60 degree of field often step rotation, rotates a circle per 6 steps.
6. energy-efficient little Minitype centrifugal water pump as claimed in claim 5, it is characterised in that the Hall control element (17)
Control three coil windings (A, B, C) and connect galvanic order be：The first step, first coil winding (A) inflow current,
Second coil winding (B) flows out electric current；Second step, tertiary coil winding (C) inflow current, second coil winding (B) flows out electricity
Stream；3rd step, tertiary coil winding (C) inflow current, first coil winding (A) flows out electric current；4th step, second coil winding
(B) inflow current, first coil winding (A) flows out electric current；5th step, second coil winding (B) inflow current, tertiary coil around
Group (C) flows out electric current；6th step, first coil winding (A) inflow current, tertiary coil winding (C) flows out electric current.
7. the energy-efficient little Minitype centrifugal water pump as described in any one of claim 1 to 6, it is characterised in that using horizontal peace
Dress, the bearing of trend of the main shaft (12) is parallel to horizontal plane.
8. the energy-efficient little Minitype centrifugal water pump as described in any one of claim 1 to 6, it is characterised in that using vertical peace
Dress, the main shaft (12) extends perpendicularly to horizontal plane；The pump case (21) is fixed on flange (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621100183.5U CN206144803U (en) | 2016-09-30 | 2016-09-30 | Energy -efficient little miniature centrifugal water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621100183.5U CN206144803U (en) | 2016-09-30 | 2016-09-30 | Energy -efficient little miniature centrifugal water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206144803U true CN206144803U (en) | 2017-05-03 |
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ID=58621255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621100183.5U Active CN206144803U (en) | 2016-09-30 | 2016-09-30 | Energy -efficient little miniature centrifugal water pump |
Country Status (1)
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| CN (1) | CN206144803U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194770A (en) * | 2016-09-30 | 2016-12-07 | 克奥兹泵业（深圳）有限公司 | Little Minitype centrifugal water pump |
| CN114400841A (en) * | 2022-01-24 | 2022-04-26 | 芜湖清川电气有限公司 | Servo motor stator wiring device and process |
-
2016
- 2016-09-30 CN CN201621100183.5U patent/CN206144803U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194770A (en) * | 2016-09-30 | 2016-12-07 | 克奥兹泵业（深圳）有限公司 | Little Minitype centrifugal water pump |
| CN106194770B (en) * | 2016-09-30 | 2019-05-07 | 克奥兹泵业（深圳）有限公司 | Small Minitype centrifugal water pump |
| CN114400841A (en) * | 2022-01-24 | 2022-04-26 | 芜湖清川电气有限公司 | Servo motor stator wiring device and process |
| CN114400841B (en) * | 2022-01-24 | 2024-02-13 | 芜湖清川电气有限公司 | Servo motor stator wiring device and process |
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