CN202579214U - High-flow portable permanent magnet variable-frequency submersible pump - Google Patents
High-flow portable permanent magnet variable-frequency submersible pump Download PDFInfo
- Publication number
- CN202579214U CN202579214U CN 201220187242 CN201220187242U CN202579214U CN 202579214 U CN202579214 U CN 202579214U CN 201220187242 CN201220187242 CN 201220187242 CN 201220187242 U CN201220187242 U CN 201220187242U CN 202579214 U CN202579214 U CN 202579214U
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- China
- Prior art keywords
- motor
- submersible pump
- main shaft
- frequency
- permanent magnet
- 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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- 230000005389 magnetism Effects 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 239000012530 fluid Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000012279 drainage procedure Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a high-flow portable permanent magnet variable-frequency submersible pump, belongs to a blade type pump in fluid machinery, and aims to solve the problems of limited suitability range and inconvenience in carrying of the conventional submersible pump. The high-flow portable permanent magnet variable-frequency submersible pump comprises a motor and a main shaft connected with an output shaft of the motor, wherein a blade wheel is arranged on the main shaft; the motor is a permanent magnet variable-frequency motor; and a water feeding section which is arranged on the main shaft and is fixedly connected with the permanent magnet variable-frequency motor is arranged between the permanent magnet variable-frequency motor and the blade wheel. By the high-flow portable permanent magnet variable-frequency submersible pump, the size and the weight of a water pump are reduced, and the rotating speed of the pump is increased; and therefore, the size and the weight of the submersible pump are greatly reduced, and the requirement on the usability can be also met.
Description
Technical field
The utility model relates to the vane type oil pump in a kind of fluid machinery, is used for carrying clear water and a small amount of silt sewage, rainwater.
Background technique
General blade submersible pump owing to adopt the traditional fabrication method, adopts cast iron, materials such as cast steel, and common submersible motor is vertical working, just can not trouble free service when the depth of water is not enough to flood motor, the work using scope is limited, can not in time drain the water away.And big flow submersible pump, because motor and traditional waterpower piece volumes are big, weight is big, causes to use carrying, uses inconvenience.
The model utility content
There is restricted application in order to overcome existing submersible pump, or the deficiency that is not easy to carry, the utility model aims to provide a kind of big flow portable permanent frequency conversion submersible pump, and this submersible pump can solve an above-mentioned problem well.
To achieve these goals, the technological scheme that the utility model adopted is:
A kind of big flow portable permanent frequency conversion submersible pump comprises motor, with the main shaft that motor output shaft links, on this main shaft impeller is housed; Its structural feature is, said motor is the permanent magnetism variable-frequency motor, is provided with between said permanent magnetism variable-frequency motor and the impeller to be contained on the main shaft and the inlet segment that is fixedly connected with the permanent magnetism variable-frequency motor.
Said impeller is preferably half-opened impeller.
Fastening linking to each other between said inlet segment and the diffuser.
Fastening linking to each other between said inlet segment and the sealed member.
By said structure, big flow portable permanent frequency conversion submersible pump mainly partly is made up of permanent magnetism variable-frequency motor, inlet segment, sealed member, main shaft, half-opened impeller, diffuser, sliding bearing.
The effect of permanent magnetism variable-frequency motor is that electric energy is produced driving torque, as the power source of water pump, permanent magnet pole is installed on the rotor, and permanent magnet pole is installed on the rotor iron core circumferential surface.According to the magnetic resistance minimum principle; Just magnetic flux is always closed along the minimum path of magnetic resistance; Utilize the rotation of magnetic pull pulling rotor, rotate synchronously so p-m rotor will be followed the rotating magnetic field of stator generation, this permanent magnet synchronous motor is used in the frequency control of motor speed occasion more; The frequency variator output frequency rises to frequency of okperation since 0 during startup, and motor is then followed the frequency variator output frequency and rotated synchronously.
The sealed member that prevents that liquid from revealing along main shaft is housed on the said main shaft, and inlet segment is fixed on the permanent magnetism variable-frequency motor, and it mainly acts on is as follows:
1. as the electric motor end cap supports main shaft and be loaded on the rotary blade on the main shaft and bear axial force;
2. as performance of over current component of water pump to current through the row guide functions;
3. forming the sealed cavity sealed member as the mechanical seal cavity with sealed member seals and prevents that outside liquid from leaking along main shaft the main shaft of rotation.
The effect of main shaft is that the mechanical energy with the permanent magnetism variable-frequency motor passes to impeller, the effect of half-opened impeller be the mechanical energy with the permanent magnetism variable-frequency motor convert to be transferred medium pressure can with the speed ability, be displaced in the pipeline then
Further; Be equipped with on the said main shaft and be used for reducing the diffuser of medium in the rotation of pipeline; Diffuser is flow passage components of forming pump with inlet segment, and effect is that the medium water conservancy diversion that half-opened impeller is carried is reduced the rotation of medium in pipeline, reduces line loss.
Between said main shaft and the diffuser sliding bearing is housed, sliding bearing part links to each other with diffuser main shaft is played a supportive role, and guarantees pump safe, steady when moving.
Working principle of the utility model and process: drive the permanent magnetism variable-frequency motor by frequency variator, along with the lifting impeller rotation of frequency, after medium got into impeller inlet from inlet segment, quilt is guide vane wheel equably.The impeller of rotation drives medium and rotates synchronously, and simultaneously because the blade rotation, the velocity of medium on blade top will increase, and the flow velocity of bottom will reduce, and according to bernoulli's equation, the local pressure that flow velocity is big is little, and the little local pressure of flow velocity is big.Because the variation of this speed and pressure has just produced the thrust that makes progress a kind of around the blade, this power is called lift.Medium is then along with this strand lift gets in the pipe network.
Compared with prior art; The beneficial effect of the utility model is: big flow portable permanent frequency conversion submersible pump has adopted aerolite and permanent magnetism variable-frequency motor; When reducing water pump volume and weight, improve the rotating speed of pump; Make submersible pump volume and weight alleviate greatly and can satisfy usability equally that adopt lateral recumbent posture to lay during big flow portable permanent frequency conversion submersible pump work, depth of immersion is little; And the submersible pump performance can be adjusted pump performance through the control of frequency variator drive motor in motor operation range.With 15KW conventional diving pump under the same sex parameter is example, its highly about 1.5 meters, and weight 520KG; The big flow portable permanent of the 15KW of the utility model frequency conversion submersible pump, highly about 0.65 meter, the about 35KG of weight); Made things convenient for use greatly; Reduce equipment labor intensity has been installed, be particularly suitable for emergent draining, the application of emergency repair aspect.This product is with converter technique, and variable-frequency motor is combined into a kind of small and exquisite and practical product with high-power submerged pump, has broken through pump series products outward appearance heaviness in the past, awkward general layout.Diversion irrigation when mainly being applicable to the ponding that causes because of typhoon, heavy rain, flood etc. and drought resisting, fire-fighting water intaking etc.
Below in conjunction with accompanying drawing and embodiment the utility model is done further to set forth.
Description of drawings
Fig. 1 is a kind of embodiment's of the utility model a structure principle chart.
In the drawings
1-permanent magnetism variable-frequency motor; The 2-inlet segment; The 3-sealed member; The 4-main shaft;
The 5-half-opened impeller; The 6-diffuser; The 7-sliding bearing.
Embodiment
A kind of big flow portable permanent frequency conversion submersible pump, as shown in Figure 1, mainly form by permanent magnetism variable-frequency motor 1, inlet segment 2, sealed member 3, main shaft 4, half-opened impeller 5, diffuser 6, sliding bearing 7 parts.
As shown in Figure 1, the assembly relation of the utility model with the order as follows:
A, inlet segment 2 is through at is contained on the main shaft 4 on the permanent magnetism variable-frequency motor 1 and fastening;
B, sealed member 3 is through on the main shaft 4 and connects with inlet segment 2 and fastening;
C, half-opened impeller 5 is through on the main shaft 4;
D, diffuser 6 is through on the main shaft 4, and connects fastening with inlet segment 2;
E, sliding bearing 7 parts are installed on the diffuser 6 and fastening good.
Big flow portable permanent frequency conversion submersible pump of the utility model and common submersible pump difference are the structural design optimized, and common submersible pump adopts cast iron, cast steel; And common submersible motor, volume is big and heavyly be difficult for carrying, because motor is in last structural design; The water surface must flood motor during use, in the practicality of controlling flood and draining flooded fields, and particularly inconvenience; When drawdown to below the motor being just cisco unity malfunction, like burn-down of electric motor, bearing heating etc.Can not drain the water away in time, and the generation dirt winding easily in drainage procedure less than normal of volute pump runner, the superpower situation of motor caused.Then there is the big carrying inconvenience of volume in common submersible pump, uses the site factors influence, and inconvenience is applied to emergent draining.Gu above two kinds of common blade formula submersible pumps all are not easy to emergent draining.
The permanent magnetism of the utility model becomes submersible pump and has that volume is little, in light weight, advantages of simple structure and simple; Rotor partly adopts the very big weight that has alleviated motor of permanent magnet, and conventional motor 15KW is 170KG, is 17KG through 15KW permanent magnetism variable-frequency motor after the optimal design; The inlet segment of compact structure is fixed on the motor bearing (ball) cover; The mechanical seal chamber, and the runner of medium is integrated the hydraulic model of higher specific speed; Have only under the volume situation of conventional hydraulic model 1/3 can be effectively with the mechanical energy of motor be converted into pressure can with the speed ability, thereby realized the output of big flow.
The content that the foregoing description is illustrated is to be understood that to these embodiments and only is used to be illustrated more clearly in the utility model; And be not used in the restriction the utility model scope; After having read the utility model, those skilled in the art all fall within the application's accompanying claims institute restricted portion to the modification of the various equivalent form of values of the utility model.
Claims (7)
1. one kind big flow portable permanent frequency conversion submersible pump comprises motor (1), and the main shaft (4) with motor (1) output shaft links is equipped with impeller (5) on this main shaft (4); It is characterized in that said motor (1) is the permanent magnetism variable-frequency motor, be provided with between said permanent magnetism variable-frequency motor (1) and the impeller (5) and be contained in the inlet segment (2) that main shaft (4) is gone up and is fixedly connected with permanent magnetism variable-frequency motor (1).
2. big flow portable permanent frequency conversion submersible pump according to claim 1 is characterized in that, is equipped with on the said main shaft (4) to be used for reducing the diffuser (6) of medium in the rotation of pipeline.
3. big flow portable permanent frequency conversion submersible pump according to claim 1 is characterized in that, the sealed member (3) that prevents that liquid from revealing along main shaft (4) is housed on the said main shaft (4).
4. big flow portable permanent frequency conversion submersible pump according to claim 1 is characterized in that said impeller (5) is a half-opened impeller.
5. big flow portable permanent frequency conversion submersible pump according to claim 2 is characterized in that, between said main shaft (4) and the diffuser (6) sliding bearing (7) is housed.
6. big flow portable permanent frequency conversion submersible pump according to claim 2 is characterized in that, fastening linking to each other between said inlet segment (2) and the diffuser (6).
7. big flow portable permanent frequency conversion submersible pump according to claim 3 is characterized in that, fastening linking to each other between said inlet segment (2) and the sealed member (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220187242 CN202579214U (en) | 2012-04-27 | 2012-04-27 | High-flow portable permanent magnet variable-frequency submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220187242 CN202579214U (en) | 2012-04-27 | 2012-04-27 | High-flow portable permanent magnet variable-frequency submersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202579214U true CN202579214U (en) | 2012-12-05 |
Family
ID=47248630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220187242 Ceased CN202579214U (en) | 2012-04-27 | 2012-04-27 | High-flow portable permanent magnet variable-frequency submersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202579214U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635558A (en) * | 2012-04-27 | 2012-08-15 | 长沙迪沃机械科技有限公司 | Large-flow portable permanent-magnet frequency-conversion submersible pump |
-
2012
- 2012-04-27 CN CN 201220187242 patent/CN202579214U/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635558A (en) * | 2012-04-27 | 2012-08-15 | 长沙迪沃机械科技有限公司 | Large-flow portable permanent-magnet frequency-conversion submersible pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20180803 Decision number of declaring invalidation: 36737 Granted publication date: 20121205 |