CN204186601U - A kind of pump integrated micro high-speed magnetic pump - Google Patents
A kind of pump integrated micro high-speed magnetic pump Download PDFInfo
- Publication number
- CN204186601U CN204186601U CN201420420810.8U CN201420420810U CN204186601U CN 204186601 U CN204186601 U CN 204186601U CN 201420420810 U CN201420420810 U CN 201420420810U CN 204186601 U CN204186601 U CN 204186601U
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- CN
- China
- Prior art keywords
- impeller
- pump
- spacer
- motor
- back shroud
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model provides a kind of pump integrated micro high-speed magnetic pump, comprise pump case, impeller, motor housing, staor winding, spacer, motor cover plate, driver circuit plate, magnet rotor, permanent magnet, the back shroud outer surface of impeller has annular groove, and permanent magnet is fixed in annular groove; The shaft core position of back shroud of impeller is fixedly connected with described spacer; Described spacer, motor housing and motor cover plate form airtight space, and described staor winding and driving circuit board are positioned at described confined space, and staor winding is centered around one week of permanent magnet; The back of pump case has the joint connecting motor housing; Motor housing is fixed on described joint.In the utility model, pump case is integrated with pump closure and the connection set being connected motor, and motor stationary components is connected with pump case; Impeller permanent magnet composition motor magnet rotor, decreases transmission part, reduces the volume and weight of Micro magnetic driving pump, make pump one.
Description
Technical field
The utility model relates to a kind of magnetic drive pump, is specifically related to the pump integrated micro high-speed magnetic pump of a kind of Micro-volume liquid for the field such as space flight, aviation conveying.
Background technique
High-speed magnetic pump has small flow, high-lift characteristic, simultaneously No leakage.After improving rotating speed, not only effectively can reduce the volume and weight of pump, the efficiency of pump can also be improved.High-speed magnetic pump is mainly used in the key areas such as Aeronautics and Astronautics, petrochemical industry.Existing high-speed magnetic pump often adopts AC motor and pump separation structure, and motor and pump have independently rotor separately, are connected between rotor and pump rotor by magnetic coupling, thus realizes the transmission of torque.Along with the upgrading of the field such as space flight, aviation overall technology, require that the volume of magnetic drive pump is less, weight is lighter, and there is stepless time adjustment performance.The high-speed magnetic pump of conventional pump separated type due to structure loosely, volume and weight is comparatively large, is difficult to the requirements at the higher level meeting space flight, aviation field technology upgrading.
Model utility content
In order to the pump separated type high-speed magnetic pump volume and weight overcoming the driving of existing AC motor is larger, be difficult to the problem meeting space flight and aviation field technology upgrading requirement, the utility model proposes a kind of volume little, lightweight pump integrated micro high-speed magnetic pump.
The utility model realizes above-mentioned technical purpose by following technological means.
A kind of pump integrated micro high-speed magnetic pump, it is characterized in that, comprise pump case, impeller, motor housing, staor winding, spacer, motor cover plate, driver circuit plate, magnet rotor, permanent magnet, the back shroud external peripheral surface of described impeller has annular groove, and described permanent magnet is fixed in described annular groove; The shaft core position of described back shroud of impeller is fixedly connected with described spacer by screw; Described spacer, motor housing and motor cover plate connect to form airtight space successively, and the staor winding be electrically connected to each other and driving circuit board are positioned at described confined space, and described staor winding is centered around one week of permanent magnet; The back of described pump case has the joint that can connect motor housing; Described motor housing is fixed on described joint by fastening piece.
Further, the shaft core position of described back shroud of impeller has a groove; Described spacer is " bow " shape, has the bump that can be embedded into back shroud of impeller, and be positioned on the axis of impeller in the groove that described bump embeds back shroud of impeller, back shroud of impeller is fixed on bump.
Further, also comprise positioning device, described positioning device is between described spacer and back shroud of impeller and be threaded connection and be fixed on the bump of spacer.
Further, the joint on described pump case is cylinder shape groove, and the edge of described cylinder shape groove has abducent flange.
Further, seal ring is provided with between described spacer and pump case.
In the utility model, described pump case is integrated with pump closure and the connection set being connected motor, motor housing, staor winding, motor cover plate and driver circuit plate composition motor stationary components, and motor stationary components is connected by fastening piece with pump case; Impeller and the permanent magnet composition magnet rotor be embedded on back shroud of impeller; The motor that described motor stationary components and magnet rotor are formed is DC brushless motor.Described magnet rotor is the rotor part of motor, is also the rotor part of described high-speed magnetic pump simultaneously, decreases transmission part, reduce the volume and weight of Micro magnetic driving pump.Make pump one, realize the object reducing high-speed magnetic pump volume and weight.In addition, adopt driven by Brush-Less DC motor magnetic drive pump, rely on drive circuit to change the current wave alternative frequency, waveform and the voltage that are input on brushless motor stator winding, stepless time adjustment can be realized to high-speed magnetic pump.
Described spacer and motor housing, motor cover plate connect to form airtight space successively, are kept apart by the conveying liquid of described miniature high-speed magnetic drive pump, make liquid not enter motor stator winding; Mechanical seal (motive sealing) is become seal ring static seal.Simultaneously at the end winding support screw of spacer by impeller inlet, prevent impeller toward importer to vibration.Stationary positioned device on spacer, to rotor radial location and axially locating, axially locating mainly prevents rotor toward motor drive direction vibration.In addition, the shaft core position of back shroud of impeller is arranged to groove structure, can weight reduction further.
Accompanying drawing explanation
Fig. 1 is the structural drawing of pump integrated micro high-speed magnetic pump one embodiment described in the utility model.
Description of reference numerals is as follows:
1-pump case, 2-impeller, 3-motor housing, 4-staor winding, 5-fastening piece, 6-motor cover plate, 7-permanent magnet, 8-driver circuit plate, 9-positioning device, 10-spacer, 11-screw, 12-pump inlet, 13-pump discharge.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is further described, but protection domain of the present utility model is not limited to this.
As shown in Figure 1, pump integrated micro high-speed magnetic pump described in the utility model, comprises pump case 1, impeller 2, motor housing 3, staor winding 4, spacer 10, motor cover plate 6, driver circuit plate 8, magnet rotor, permanent magnet 7.The back shroud external peripheral surface of described impeller 2 has annular groove, and described permanent magnet 7 is fixed in described annular groove.Impeller 2 and the permanent magnet 7 be embedded on impeller 2 back shroud form magnet rotor.The shaft core position of described impeller 2 back shroud has a groove; Described spacer 10 is " bow " shape, there is the bump that can be embedded into impeller 2 back shroud, be positioned on the axis of impeller 2 in the groove that described bump embeds impeller 2 back shroud, impeller 2 back shroud is fixed on bump by screw 11, prevents impeller 2 toward importer to vibration.The bump of spacer 10 is provided with the positioning device 9 be threaded connection with bump, described positioning device 9 is between described spacer 10 and impeller 2 back shroud, to rotor radial location and axially locating, axially locating mainly prevents rotor toward motor drive direction vibration.Described spacer 10, motor housing 3 and motor cover plate 6 connect to form airtight space successively, described in the staor winding 4 that is electrically connected to each other and driving circuit board be positioned at described confined space, and described staor winding 4 is centered around one week of permanent magnet 7.Seal ring is provided with between described spacer 10 and pump case 1.The conveying liquid of described miniature high-speed magnetic drive pump is kept apart by described spacer 10, makes liquid not enter motor stator winding 4; Motor-driven sealing is become seal ring static seal.The back of described pump case 1 arranges cylinder shape groove, and the edge of described cylinder shape groove has abducent flange, as the joint connecting motor housing 3.Described motor housing 3 is placed in cylinder shape groove.Described motor housing 3 one end fastener 5 is fixed on flange, and the other end has the prominent ring structure of inwardly expansion, and described bulge loop structure positions spacer 10 and staor winding 4 simultaneously.
Operationally, direct current is passed into driver circuit plate 8, by the regulating action of driver circuit plate 8, change the current wave alternative frequency and waveform that are input on brushless motor stator winding 4, around staor winding 4, form a rotating magnetic field around motor geometry axle center, rotating magnetic field drives the permanent magnet 7 in spacer 10 to rotate, permanent magnet 7 impeller 2 synchronous rotary, positioning device 9 pairs of impellers 2 play axis and radial location effect, ensure that impeller 2 normally runs.Meanwhile, fluid enters the internal cavity of impeller 2 from pump inlet 12, flows through the impeller 2 be rotating, and its kinetic energy and static energy increase, and then flow out from pump discharge 13.
Described embodiment is preferred embodiment of the present utility model; but the utility model is not limited to above-mentioned mode of execution; when not deviating from flesh and blood of the present utility model, any apparent improvement that those skilled in the art can make, replacement or modification all belong to protection domain of the present utility model.
Claims (5)
1. a pump integrated micro high-speed magnetic pump, it is characterized in that, comprise pump case (1), impeller (2), motor housing (3), staor winding (4), spacer (10), motor cover plate (6), driver circuit plate (8), magnet rotor, permanent magnet (7), the back shroud external peripheral surface of described impeller (2) has annular groove, and described permanent magnet (7) is fixed in described annular groove; The shaft core position of described impeller (2) back shroud is fixedly connected with described spacer (10) by screw (11); Described spacer (10), motor housing (3) and motor cover plate (6) connect to form airtight space successively, the staor winding (4) be electrically connected to each other and driving circuit board are positioned at described confined space, and described staor winding (4) is centered around one week of permanent magnet (7); The back of described pump case (1) has the joint that can connect motor housing (3); Described motor housing (3) is fixed on described joint by fastening piece (5).
2. miniature high-speed magnetic drive pump according to claim 1, is characterized in that, the shaft core position of described impeller (2) back shroud has a groove; Described spacer (10) is " bow " shape, there is the bump that can be embedded into impeller (2) back shroud, be positioned on the axis of impeller (2) in the groove that described bump embeds impeller (2) back shroud, impeller (2) back shroud is fixed on bump.
3. miniature high-speed magnetic drive pump according to claim 2, it is characterized in that, also comprise positioning device (9), described positioning device (9) to be positioned between described spacer (10) and impeller (2) back shroud and be threaded connection be fixed on spacer (10) bump on.
4. the miniature high-speed magnetic drive pump according to any one of claim 1-3, is characterized in that, the joint on described pump case (1) is cylinder shape groove, and the edge of described cylinder shape groove has abducent flange.
5. miniature high-speed magnetic drive pump according to claim 4, is characterized in that, is provided with seal ring between described spacer (10) and pump case (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420420810.8U CN204186601U (en) | 2014-07-29 | 2014-07-29 | A kind of pump integrated micro high-speed magnetic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420420810.8U CN204186601U (en) | 2014-07-29 | 2014-07-29 | A kind of pump integrated micro high-speed magnetic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204186601U true CN204186601U (en) | 2015-03-04 |
Family
ID=52618610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420420810.8U Withdrawn - After Issue CN204186601U (en) | 2014-07-29 | 2014-07-29 | A kind of pump integrated micro high-speed magnetic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204186601U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153999A (en) * | 2014-07-29 | 2014-11-19 | 江苏大学 | Motor-pump-integrated micro high-speed magnetic pump |
| GB2592747A (en) * | 2020-02-18 | 2021-09-08 | Shinano Kenshi Co | Blower |
-
2014
- 2014-07-29 CN CN201420420810.8U patent/CN204186601U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153999A (en) * | 2014-07-29 | 2014-11-19 | 江苏大学 | Motor-pump-integrated micro high-speed magnetic pump |
| GB2592747A (en) * | 2020-02-18 | 2021-09-08 | Shinano Kenshi Co | Blower |
| GB2592747B (en) * | 2020-02-18 | 2023-06-14 | Shinano Kenshi Co | Blower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150304 Effective date of abandoning: 20160831 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |