CN208797700U - A kind of asynchronous starting synchronous operation well pump motor - Google Patents
A kind of asynchronous starting synchronous operation well pump motor Download PDFInfo
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- CN208797700U CN208797700U CN201821520263.5U CN201821520263U CN208797700U CN 208797700 U CN208797700 U CN 208797700U CN 201821520263 U CN201821520263 U CN 201821520263U CN 208797700 U CN208797700 U CN 208797700U
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Abstract
The utility model discloses a kind of asynchronous startings to run simultaneously well pump motor, including stator and rotor, stator press-loading is in staggered relatively with rotor in pump housing shell, the centre bore that the shaft of the rotor passes through rotor core passes through in rotor core, rotor slot is provided with along rotor core circumference, rotor slot runs through entire rotor core, aluminium conducting bar is cast in rotor slot, end ring is cast outside rotor slot constitutes totally-enclosed mouse cage, mouse cage is cast aluminium, trapezoidal empty slot is provided on the inside of rotor slot, permanent magnet is studded in trapezoidal empty slot, permanent magnet runs through entire rotor core, permanent magnet in trapezoidal empty slot presses magnetic the two poles of the earth arrangement, adjacent two pieces of permanent magnet N are extremely placed outward, other two pieces of permanent magnet Ss are extremely placed outward, stator slot is provided with along stator core circumference, stator slot runs through entire stator core.The utility model is compared with traditional induction conductivity, other than the general advantage with rare-earth permanent-magnet electric machine, also has wider economical operation range.
Description
Technical field
The utility model relates to a kind of synchronous motor, in particular to a kind of asynchronous starting synchronous operation well pump is with electronic
Machine.
Background technique
Deep well pump uses common asynchronous induction motor at present, which is made of stator, rotor and upper and lower seat,
But asynchronous induction motor has the disadvantage that vulnerable to load effect and revolving speed is caused to decline, actual speed is lower than synchronous rotational speed,
Using when efficiency it is relatively low, entire product electricity loss in life cycle is larger, and the motor cost of high energy efficiency is very high, practical
Application range is simultaneously little；For the operation reliably and with long-term of electric pump, many users use low load with strong power, work as asynchronous induction motor
When absorbing lag reactive power from power grid, since power factor is low, cause power grid utilization rate poor；At present using frequency converter, control
Device causes control system complicated, higher cost to cooperate electric pump to use.
Utility model content
The purpose of the utility model is to provide a kind of asynchronous startings to run simultaneously well pump motor, solves common at present different
Walk actual speed existing for induction conductivity and be lower than synchronous rotational speed, efficiency, power factor are lower, and control system is complicated, cost compared with
The defects of high.
To solve the above problems, the utility model uses following technical scheme:
A kind of asynchronous starting runs simultaneously well pump motor, including stator and rotor, stator press-loading in pump housing shell with
Rotor is staggered relatively, and the centre bore that the shaft of the rotor passes through rotor core passes through in rotor core, along rotor core circle
Rotor slot is provided in week, rotor slot runs through entire rotor core, is cast with aluminium conducting bar in rotor slot, end ring is cast outside rotor slot
Totally-enclosed mouse cage is constituted, mouse cage is cast aluminium, and trapezoidal empty slot is provided on the inside of rotor slot, and the trapezoidal empty slot is the trapezoidal knot of three-stage
Structure, permanent magnet is equipped in trapezoidal empty slot, and permanent magnet runs through entire rotor core, one section of placement, two blocks of permanent magnetism among trapezoidal empty slot
Body, two pieces of permanent magnets press magnetic the two poles of the earth arrangement, and N is extremely placed outward, and other two sections of trapezoidal empty slot is respectively equipped with one piece of permanent magnet,
And the S of permanent magnet is extremely placed outward, and stator slot is provided with along stator core circumference, stator slot runs through entire stator core.
Further, stainless steel material can be used in shaft, and it is made that ordinary carbon steel can also be used.
Further, the rotor slot is equipped with 18, and evenly distributed along rotor core circumference.
Further, trapezoidal empty slot is equipped with 6, and evenly distributed along rotor core circumference.
Further, trapezoidal empty slot length is longer than put permanent magnet width, and the trapezoidal empty slot both ends after placing permanent magnet are stayed
There is gap to be formed every magnetic gap.
Further, stop device is housed on the rotor of permanent magnet both ends, there is enough every magnetic design between permanent magnet and shaft
Distance.
Further, the stator slot is equipped with 24, and evenly distributed along stator core circumference.
Further, the stator core edge, which is uniformly distributed, is provided with 4 limiting slots, and the limiting slot is wide in inside
The narrow trapezium structure in outside is equipped with 1 locating slot between the adjacent limiting slot of two of them.
The utility model has the beneficial effects that
1, when steady-state operation, motor speed is constant, is not influenced by load variation, air gap is larger, and mouse cage aluminium conducting bar is not cut
Magnetic field is cut, there is no rotor resistances to be lost, and efficiency is higher.
2, winding mouse cage aluminium conducting bar is started due to being provided on the rotor of motor, to have in a certain voltage and frequency
Self start ability under rate, simultaneously stable operation can be started by being directly accessed power grid, be not necessarily to control device convenience flexible in application.
3, only the power in 60%-100% loading range is higher for asynchronous induction motor, and nearby efficiency is fast for 35% nominal load
Speed decline, when 25% nominal load power factor from 0.85 drop to 0.5 hereinafter, and permanent magnet synchronous motor in 25%-120% power
Factor still can reach 0.9 or more, and greater efficiency and high power factor are kept in very wide loading range, have wider warp
Ji range of operation, entire product is obvious in life cycle energy-saving effect, and use cost is greatly reduced.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
In figure: 1. stator cores, 2. stator slots, 3. rotor slots, 4. rotor cores, 5. permanent magnets, 6. shafts, 7. limits
Slot, 8. locating slots.
Specific embodiment
The utility model is done below with reference to embodiment and attached drawing and is further explained.The following example is merely to illustrate
The utility model, but be not used to limit the scope of the utility model.
A kind of asynchronous starting runs simultaneously well pump motor, including stator and rotor, stator press-loading in pump housing shell with
Rotor is staggered relatively, and the centre bore that the shaft 6 of the rotor passes through rotor core 4 passes through in rotor core 4, and shaft 6 can adopt
With stainless steel material, it can also be used that ordinary carbon steel is made, and the rotor core 4 is stacked by silicon steel punched chip, along rotor iron
Rotor slot 3 is provided in 4 circumference of core, the rotor slot 3 is equipped with 18, and evenly distributed along 4 circumference of rotor core, rotor slot 3
Through entire rotor core 4, it is cast with aluminium conducting bar in rotor slot 3, end ring is cast outside rotor slot 3 and constitutes totally-enclosed mouse cage, mouse
Cage is cast aluminium, and when well pump steady-state operation, motor speed is constant, is not influenced by load variation, air gap is larger, mouse cage aluminium conducting bar
Not cutting magnetic field, there is no rotor resistances to be lost, and efficiency is higher；Simultaneously because on the rotor of motor be provided with start around
Group mouse cage aluminium conducting bar, to have the self start ability under a certain voltage and frequency, being directly accessed power grid can be started simultaneously
Stable operation is not necessarily to control device convenience flexible in application.
Trapezoidal empty slot is provided on the inside of rotor slot 3, trapezoidal empty slot is equipped with 6, and evenly distributed along 4 circumference of rotor core,
Permanent magnet 5 is installed, permanent magnet 5 is made of rare earth metal neodymium iron boron (NdFeB) material, and the trade mark can be according to design in trapezoidal empty slot
Parameter request is chosen, and trapezoidal empty slot length is longer than put 5 width of permanent magnet, the trapezoidal empty slot both ends after placing permanent magnet 5 there are
Gap is formed every magnetic gap, and the trapezoidal empty slot is three-stage trapezium structure, is equipped with permanent magnet 5, permanent magnet 5 in trapezoidal empty slot
Through entire rotor core 4, one section of placement, two pieces of permanent magnets 5 among trapezoidal empty slot, two pieces of permanent magnets 5 press magnetic the two poles of the earth arrangement,
And N is extremely placed outward, other two sections of trapezoidal empty slot is respectively equipped with one piece of permanent magnet 5, and the S of permanent magnet 5 is extremely placed outward, permanent magnetism
Body 5 runs through entire rotor core 4, and stop device is housed on 5 both ends rotor of permanent magnet, and design has foot between permanent magnet 5 and shaft 6
Enough that stator slot 2 is provided with along 1 circumference of stator core every magnetic distance, stator slot 2 runs through entire stator core 1, the stator slot 2
Equipped with 24, and it is evenly distributed along 1 circumference of stator core.Permanent magnet synchronous motor still can reach in 25%-120% power factor
0.9 or more, greater efficiency and high power factor are kept in very wide loading range, and there is wider economical operation range,
Entire product is obvious in life cycle energy-saving effect, and use cost is greatly reduced.
1 edge of stator core, which is uniformly distributed, is provided with 4 limiting slots 7, and the limiting slot 7 is narrow in the wide outside in inside
Trapezium structure, wherein limiting slot 7 is used for cabling above, on the one hand setting limiting slot 7 is saved material, is not needed using nail
Other fixing elements such as son, another aspect stable connection；1 locating slot 8, institute are equipped between the adjacent limiting slot 7 of two of them
Stating locating slot 8 makes the installation of pump housing shell and stator core 1 there was only a kind of mode, avoids the occurrence of engaging mistake.
Claims (8)
1. a kind of asynchronous starting runs simultaneously well pump motor, including stator and rotor, stator press-loading in pump housing shell with turn
Son is staggered relatively, it is characterised in that: the centre bore that the shaft of the rotor passes through rotor core passes through in rotor core, and edge turns
Rotor slot is provided in sub- iron core circumference, rotor slot runs through entire rotor core, aluminium conducting bar is cast in rotor slot, outside rotor slot
It casts end ring and constitutes totally-enclosed mouse cage, mouse cage is cast aluminium, and trapezoidal empty slot is provided on the inside of rotor slot, and the trapezoidal empty slot is three-stage
Trapezium structure is equipped with permanent magnet in trapezoidal empty slot, and permanent magnet runs through entire rotor core, places two for one section among trapezoidal empty slot
Block permanent magnet, two pieces of permanent magnets press magnetic the two poles of the earth arrangement, and N is extremely placed outward, and other two sections of trapezoidal empty slot is respectively equipped with one piece
Permanent magnet, and the S of permanent magnet is extremely placed outward, and stator slot is provided with along stator core circumference, stator slot runs through entire stator iron
Core.
2. a kind of asynchronous starting according to claim 1 runs simultaneously well pump motor, it is characterised in that: shaft can adopt
With stainless steel material, it is made that ordinary carbon steel can also be used.
3. a kind of asynchronous starting according to claim 1 runs simultaneously well pump motor, it is characterised in that: the rotor
Slot is equipped with 18, and evenly distributed along rotor core circumference.
4. a kind of asynchronous starting according to claim 1 runs simultaneously well pump motor, it is characterised in that: trapezoidal empty slot
Equipped with 6, and it is evenly distributed along rotor core circumference.
5. a kind of asynchronous starting according to claim 1 runs simultaneously well pump motor, it is characterised in that: trapezoidal empty slot
Length is longer than put permanent magnet width, and there are gaps to be formed every magnetic gap for the trapezoidal empty slot both ends after placing permanent magnet.
6. a kind of asynchronous starting according to claim 1 runs simultaneously well pump motor, it is characterised in that: in permanent magnet
Stop device is housed, there is enough every magnetic distance design between permanent magnet and shaft on the rotor of both ends.
7. a kind of asynchronous starting according to claim 1 runs simultaneously well pump motor, it is characterised in that: the stator
Slot is equipped with 24, and evenly distributed along stator core circumference.
8. a kind of asynchronous starting according to claim 1 runs simultaneously well pump motor, it is characterised in that: the stator
Iron core edge, which is uniformly distributed, is provided with 4 limiting slots, the limiting slot trapezium structure narrow in the wide outside in inside, two of them
1 locating slot is equipped between adjacent limiting slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821520263.5U CN208797700U (en) | 2018-09-18 | 2018-09-18 | A kind of asynchronous starting synchronous operation well pump motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821520263.5U CN208797700U (en) | 2018-09-18 | 2018-09-18 | A kind of asynchronous starting synchronous operation well pump motor |
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| Publication Number | Publication Date |
|---|---|
| CN208797700U true CN208797700U (en) | 2019-04-26 |
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ID=66209872
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821520263.5U Active CN208797700U (en) | 2018-09-18 | 2018-09-18 | A kind of asynchronous starting synchronous operation well pump motor |
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| Country | Link |
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| CN (1) | CN208797700U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114362466A (en) * | 2021-12-06 | 2022-04-15 | 中车永济电机有限公司 | Rotor structure of asynchronous starting permanent magnet synchronous motor |
-
2018
- 2018-09-18 CN CN201821520263.5U patent/CN208797700U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114362466A (en) * | 2021-12-06 | 2022-04-15 | 中车永济电机有限公司 | Rotor structure of asynchronous starting permanent magnet synchronous motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200219 Address after: On the south side of the town of Boulder Highway in Wenling city of Taizhou City, Zhejiang province 317525 Patentee after: Zhejiang Dongyin Technology Co., Ltd. Address before: On the south side of the town of Boulder Highway in Wenling city of Taizhou City, Zhejiang province 317525 Patentee before: Zhejiang Dongyin Pump Co., Ltd. |
|
| TR01 | Transfer of patent right |