CN203589859U - Novel slotless brushless motor - Google Patents
Novel slotless brushless motor Download PDFInfo
- Publication number
- CN203589859U CN203589859U CN201320736635.9U CN201320736635U CN203589859U CN 203589859 U CN203589859 U CN 203589859U CN 201320736635 U CN201320736635 U CN 201320736635U CN 203589859 U CN203589859 U CN 203589859U
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- Prior art keywords
- electric machine
- machine casing
- motor
- stator
- rotating shaft
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- Expired - Fee Related
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- 238000004804 winding Methods 0.000 claims abstract description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 239000000498 cooling water Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 abstract 1
- 238000009736 wetting Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Iron Core Of Rotating Electric Machines (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a novel slotless brushless motor, which comprises a motor casing, a stator and a rotor, wherein the stator and the rotor are installed in the motor casing. The improvement is that the stator is composed of a hollow circular winding and a circular iron core formed by winding a long silicon steel sheet on the hollow circular winding. The circular iron core of the novel slotless brushless motor is formed by winding, rolling, welding and fixing the elongated silicon steel sheet without any complex processing thereafter, the structure is simple in process, and the cost in very low. In addition, the manufactured stator does not have a toothed groove structure or a toothed groove effect, the efficiency of the motor is improved, and the running is more stable. The motor casing is internally provided with a cooling water channel system passing through the internal part of a rotating shaft, thereby greatly improving a cooling effect for the rotating shaft of the rotor. The cooling water also has a good wetting effect for a part between the rotating shaft and a shaft sleeve, and the service life of the shaft sleeve is prolonged. A driving circuit of the motor is arranged in an external control box, thereby enabling the internal part of the motor body to not have any easily damaged parts such as electronic components and the like, and greatly prolonging the service life of the motor.
Description
[technical field]
The utility model relates to a kind of motor, particularly a kind of for the novel brushless slotless motor as water pump.
[background technology]
On market, existing brushless motor stator structure has been generally teeth groove circle ring iron core, and coiling forms winding on teeth groove, and on stator, worn Hall drive circuit and motor and formed one, this spline structure has following shortcoming: 1, the iron core of stator is to use stamping die that silicon steel sheet material is struck out after required form to multi-disc to laminate and make, iron core real material utilance after making is low, generally be no more than 60%, and processing technology is complicated, manufacturing cost is high; 2, in the circle ring iron core of stator, there is tooth slot structure, can produce slot effect, cause electric efficiency to reduce and produce vibration; 3, on the stator of Hall driving circuit device motor body inside, because drive circuit is easy-to-damage element, under the hot environment running up at motor, can make the electronic devices and components lost of life, once there be the so whole motor of damage to scrap, form waste; 4, in the time of on being applied to water pump, although be provided with waterway cooling system in motor, but the rotating shaft of rotor is solid, when rotor runs up, the rotating shaft of rotor is the parts of caloric value maximum, the cooling effect of the cooling water countershaft of existing waterway cooling system is low, causes the friction noise between rotating shaft and axle sleeve large, and shorten the useful life of axle sleeve.
[summary of the invention]
The purpose of this utility model is to overcome deficiency of the prior art, and a kind of simple in structure, easily manufactured, novel brushless slotless motor that cost is low and stable is provided.
The purpose of this utility model is achieved in that it comprises electric machine casing, is arranged on stator and rotor in electric machine casing, and its improvements are: described stator is wrapped in by hollow ring winding and a long silicon steel sheet circle ring iron core forming on described hollow ring winding and forms.
In said structure, also include a protecgulum being arranged on electric machine casing front end, in described protecgulum, be provided with an impeller, on protecgulum, be provided with water inlet and delivery port; The rotating shaft of described rotor is fixed in electric machine casing by two axle sleeves, and its front end stretches out in electric machine casing and is connected with described impeller.
In said structure, described rotating shaft is tubular structure, and two ends have respectively the through hole being interconnected; In described electric machine casing, be provided with a cooling duct, one end, described cooling duct is communicated with the through hole of described rotating shaft rear end, and the other end is arranged at the front end of electric machine casing and corresponding to the water outlet of protecgulum.
In said structure, described electric machine casing is connected with power supply by wire, and a control box is set between described electric machine casing and power supply, is provided with for controlling motor rotation, stops and the drive circuit of rotating speed in described control box.
In said structure, all electronic units of described motor are all arranged in control box, and by being connected with the stator in electric machine casing with water joint power line.
Compared with prior art, the beneficial effects of the utility model are: the stator of motor is comprised of circular coil and the strip silicon steel sheet that is wrapped in outside circular coil, strip silicon steel sheet rolls rear formation circle shape iron core, after its winding rolls by being welded and fixed, thereafter without any complicated processing, structural manufacturing process is simple, and cost is extremely low, and stator slotless structure, the slotless effect made, electric efficiency improves and moves more steady; Adopt annular winding, magnetic force is more evenly distributed; In the rotating shaft of rotor, be provided with the through hole of cooling water process, greatly improved the cooling effect to rotor shaft, cooling water has also played good water profit effect, the useful life of having improved axle sleeve between countershaft and axle sleeve; To in outside control box, make motor body interior without consumable accessorys such as any electronic devices and components by the drive circuit of motor is external, greatly improved electrical machinery life, even if drive circuit damages, only need to change an i.e. control box, motor main body still can be used, and greatly reduces maintenance and replacement cost.
[accompanying drawing explanation]
Fig. 1 is the blast structural representation of this practicality;
Fig. 2 is cross-sectional view of the present utility model;
Fig. 3 is overall structure schematic diagram of the present utility model;
Fig. 4 is the structural representation of the utility model stator core;
Fig. 5 is the structural representation of the utility model hollow ring winding;
Fig. 6 is the cross-sectional structure schematic diagram of Fig. 5;
Fig. 7 is the structural representation of another embodiment cross section of hollow ring winding;
Fig. 8 is the structural representation of an embodiment cross section again of hollow ring winding.
[embodiment]
Below in conjunction with the drawings and the specific embodiments, the utility model is further described:
As shown in Figures 1 to 4, novel brushless slotless motor of the present utility model, it comprises electric machine casing 1, is arranged on stator 2 and rotor 3 in electric machine casing 1, and described stator 2 is comprised of hollow ring winding 21 and circle ring iron core 22; As shown in Figure 5 and Figure 6, described hollow ring winding 21 is circular coil, and the magnetic force that stator is produced is more even and stable, and it also can adopt hollow ring winding construction as shown in Figure 7 and Figure 8; Described circle ring iron core 22 adopts and rolls iron core, is that a strip silicon steel sheet is wrapped in outside hollow ring winding 21 and is made, and silicon steel sheet end is fixed by welding on itself; After the circle ring iron core 22 of the stator of the utility model motor rolls and is welded and fixed without any complicated processing, structural manufacturing process is simple, low cost of manufacture, iron core utilization reaches 100%, and roll circle ring iron core 22 and hollow ring winding 21 slotless structures, slotless effect, electric efficiency improves, operation is more steady.
Wherein, motor application of the present utility model, when water pump field, also includes a protecgulum 4 being arranged on electric machine casing 1 front end, is provided with an impeller 5 in described protecgulum 4, is provided with water inlet 41 and delivery port 42 on protecgulum 4; The rotating shaft 31 of described rotor 3 is fixed in electric machine casing 1 by two axle sleeves 11, its front end stretches out in electric machine casing 1 and is connected with described impeller 5, described impeller 5 can adopt the brush impeller of pin or other common impellers, and it faces the water inlet 41 of protecgulum 4, and described delivery port 42 is positioned at the top of protecgulum 4.Further, described rotating shaft 31 is tubular structure, and two ends have respectively the through hole being interconnected; In described electric machine casing 1, be provided with a cooling duct 12,12 one end, described cooling duct are communicated with the through hole of described rotating shaft 31 rear ends, the other end is cooling water outlet mouth 13, and described cooling water outlet mouth 13 is arranged on the front end of electric machine casing 1, and corresponding to delivery port 41 places of protecgulum 4.Like this, when concrete use, the water inlet of protecgulum 4 41 is connected with outlet pipe with water inlet pipe respectively with delivery port 42, then after motor being switched on power, stator 2 produces field drives rotor 3 and rotates, rotating shaft 31 impeller 5 rotations of rotor 3, thereby drive water to enter from water inlet 41, then from delivery port 42, go out, and be expelled to high water level place by outlet pipe, now current enter into impeller direction from water inlet 41, during impeller 5 rotation, the pressure ratio edge of center is little, mineralization pressure is poor, therefore, wherein the water of a part enters from the front end through hole of rotor shaft 31, then through cooling water channel 12, from cooling water outlet mouth 13, be expelled in the delivery port 42 of protecgulum 4, finally by outlet pipe, discharge, form cooling system, arrow in Fig. 2 refers to the path of flow of cooling water, the cooling water of this structure has improved the cooling effect to rotor greatly, and between countershaft and axle sleeve, has played good water profit effect, the useful life of having improved axle sleeve.
Further, described electric machine casing 1 is connected with power supply 7 by wire 6, one control box 8 is set on the wire 6 between described electric machine casing 1 and power supply 7, in described control box 8, be provided with for controlling motor rotation, stop and drive circuit and other all electronic devices and components of rotating speed, described wire 6 band water joint power lines, described drive circuit and electronic devices and components are connected with the stator in electric machine casing by wire 6; This structure, by the drive circuit exteriorization of motor, makes motor interior without easy-to-damage elements such as any electronic devices and components, has greatly improved electrical machinery life, even if drive circuit damages, only need to change a control box, motor main body still can be used, and greatly reduces maintenance and replacement cost.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also carry out suitable change and modification to above-mentioned execution mode.Therefore, the utility model is not limited to embodiment disclosed and described above, to modifications and changes more of the present utility model, also should fall in the protection range of claim of the present utility model.In addition,, although used some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (5)
1. a novel brushless slotless motor, comprises electric machine casing, is arranged on stator and rotor in electric machine casing, it is characterized in that: described stator is wrapped in by hollow ring winding and a long silicon steel sheet circle ring iron core forming on described hollow ring winding and forms.
2. novel brushless slotless motor according to claim 1, is characterized in that: also include a protecgulum being arranged on electric machine casing front end, be provided with an impeller in described protecgulum, be provided with water inlet and delivery port on protecgulum; The rotating shaft of described rotor is fixed in electric machine casing by two axle sleeves, and its front end stretches out in electric machine casing and is connected with described impeller.
3. novel brushless slotless motor according to claim 2, is characterized in that: described rotating shaft is tubular structure, and two ends have respectively the through hole being interconnected; In described electric machine casing, be provided with a cooling duct, one end, described cooling duct is communicated with the through hole of described rotating shaft rear end, and the other end is arranged at the front end of electric machine casing and corresponding to the water outlet of protecgulum.
4. novel brushless slotless motor according to claim 1, it is characterized in that: described electric machine casing is connected with power supply by wire, one control box is set between described electric machine casing and power supply, in described control box, is provided with for controlling motor rotation, stops and the drive circuit of rotating speed.
5. novel brushless slotless motor according to claim 4, is characterized in that: all electronic units of described motor are all arranged in control box, and by being connected with the stator in electric machine casing with water joint power line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320736635.9U CN203589859U (en) | 2013-11-20 | 2013-11-20 | Novel slotless brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320736635.9U CN203589859U (en) | 2013-11-20 | 2013-11-20 | Novel slotless brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203589859U true CN203589859U (en) | 2014-05-07 |
Family
ID=50587709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320736635.9U Expired - Fee Related CN203589859U (en) | 2013-11-20 | 2013-11-20 | Novel slotless brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203589859U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105680586A (en) * | 2016-02-29 | 2016-06-15 | 锦州汉拿电机有限公司 | Winding motor iron core and fabrication method thereof |
| CN111162623A (en) * | 2020-02-20 | 2020-05-15 | 河南科技大学 | In-wheel motor |
| CN111416467A (en) * | 2020-04-23 | 2020-07-14 | 嘉兴学院 | Vibration noise suppression device for permanent magnet brushless DC motor |
-
2013
- 2013-11-20 CN CN201320736635.9U patent/CN203589859U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105680586A (en) * | 2016-02-29 | 2016-06-15 | 锦州汉拿电机有限公司 | Winding motor iron core and fabrication method thereof |
| CN105680586B (en) * | 2016-02-29 | 2018-06-08 | 锦州汉拿电机有限公司 | Takeup type iron core of electric motor and its manufacturing method |
| CN111162623A (en) * | 2020-02-20 | 2020-05-15 | 河南科技大学 | In-wheel motor |
| CN111162623B (en) * | 2020-02-20 | 2021-06-11 | 河南科技大学 | In-wheel motor |
| CN111416467A (en) * | 2020-04-23 | 2020-07-14 | 嘉兴学院 | Vibration noise suppression device for permanent magnet brushless DC motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SHENZHEN HONYA AQUARIUM EQUIPMENTS MANUFACTURER Co.,Ltd. Assignor: Zhang Xiaojun Contract record no.: 2014440020382 Denomination of utility model: Novel slotless brushless motor Granted publication date: 20140507 License type: Exclusive License Record date: 20141125 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 |