CN109356869B - Alternating current cross-flow fan - Google Patents
Alternating current cross-flow fan Download PDFInfo
- Publication number
- CN109356869B CN109356869B CN201811423124.5A CN201811423124A CN109356869B CN 109356869 B CN109356869 B CN 109356869B CN 201811423124 A CN201811423124 A CN 201811423124A CN 109356869 B CN109356869 B CN 109356869B
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- China
- Prior art keywords
- welding
- pin
- fixed
- rotor
- synchronous motor
- Prior art date
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000004804 winding Methods 0.000 claims abstract description 16
- 238000003466 welding Methods 0.000 claims abstract description 14
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims abstract description 4
- 230000003044 adaptive effect Effects 0.000 claims description 6
- 238000012858 packaging process Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 5
- 239000003990 capacitor Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007547 defect Effects 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
- 238000009826 distribution Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Manufacture Of Motors, Generators (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention relates to the field of motors, in particular to an alternating current cross-flow fan, which comprises a fan and a synchronous motor, wherein the fan comprises a shell and an impeller, the synchronous motor comprises a rotor component and a stator component, a stator framework comprises two winding brackets and a pin holder, a plurality of groups of pin slots are formed in the pin holder, and each pin slot comprises a welding-free pin slot and a manual welding slot; the stator framework is fixed on the U-shaped iron core, a rotor cavity is formed in the inner side of the U-shaped iron core, and the permanent magnet rotor is movably arranged in the rotor cavity; an L-shaped mounting structure is fixed on one side of the shell, and a wiring board is fixed on the edge of the L-shaped mounting structure; the synchronous motor is fixed on the L-shaped mounting structure, the rotating shaft penetrates into the shell and is connected with the impeller, and the wiring board is electrically connected with the coil winding through the lead wire through the welding-free contact pin or the welding wire contact pin. The invention adopts the synchronous motor directly using alternating current input, does not need a rectifying and brushless direct current driving module, has higher efficiency than a shaded pole motor or a capacitor motor, has low noise and low cost, and has objective production benefit.
Description
Technical Field
The invention relates to the field of motors, in particular to an alternating current cross-flow fan.
Background
The synchronous motor has the advantages of high power factor, high running efficiency, good stability and the like, and is mainly applied to a generator, a motor and a compensator. The existing cross-flow fan generally adopts a shaded pole motor or a capacitor motor, has the defects of high noise and low conversion efficiency, and part of the fans adopt brushless direct-current motors, but the brushless direct-current motors need a power rectifying module and a brushless direct-current motor for driving, so that the cost is very high, and the production requirement is difficult to meet. The issued patent with publication number CN205304558U provides a synchronous motor, which improves the structure of the existing synchronous motor, optimizes the production process, but still has room for improvement.
Disclosure of Invention
The invention aims to overcome the defects of large noise, low conversion efficiency and the like of the traditional cross-flow fan under the condition that the production cost is not greatly increased, improve the traditional synchronous motor and improve the production benefit.
The technical scheme of the invention is as follows:
The utility model provides an alternating current cross flow fan, includes fan and synchronous machine, and the fan includes the casing and locates the impeller in the casing, and synchronous machine includes rotor subassembly and stator module, and rotor subassembly includes permanent magnet rotor and pivot thereof, and stator module includes stator skeleton and U type iron core. The stator framework comprises two hollow bobbins and pin holders positioned at the bottoms of the bobbins, coil windings are arranged on the peripheries of the bobbins, a plurality of groups of pin slots are formed in the pin holders, each pin slot comprises a welding-free pin slot and a manual welding slot, an adaptive welding-free pin is arranged in each welding-free pin slot, and an adaptive welding wire pin is arranged in each manual welding slot. The stator framework is sleeved and fixed on the U-shaped iron core, wherein a rotor cavity which is adapted to the permanent magnet rotor is arranged on the inner side of the U-shaped iron core, and the permanent magnet rotor is movably arranged in the rotor cavity.
An L-shaped mounting structure is fixed on one side of the shell, and a wiring board is fixed on the edge of the L-shaped mounting structure; the synchronous motor is fixed on the L-shaped mounting structure, the rotating shaft penetrates into the shell and is connected with the impeller, and the wiring board is electrically connected with the winding through the lead wire through the welding-free contact pin or the welding wire contact pin.
Preferably, the winding frame is provided with a connecting buckle capable of being bent movably along the edge, and the winding frame is connected through the connecting buckle.
Preferably, the wire winding enameled wire is buried in the welding-free contact pin groove, and the welding-free contact pin is provided with a wire clamping seam for clamping and breaking the insulating sheath of the enameled wire.
Preferably, the two ends of the rotor cavity are respectively fixed with a rear end cover and a front end cover with a fixed bracket, and the two ends of the rotating shaft respectively penetrate through a front bearing chamber of the front end cover and a rear bearing chamber of the rear end cover.
Further, one side of the front end cover and the rear end cover, which is close to the U-shaped iron core, is provided with a positioning boss embedded in the rotor cavity.
Preferably, the wiring board is provided with a wiring terminal for externally connecting alternating current, and the wiring terminal is fixed on the wiring board through a plastic packaging process.
The invention has the beneficial effects that: the synchronous motor directly using alternating current input is adopted to drive the fan, a rectifying and brushless direct current motor driving module is not needed, the efficiency is higher than that of the shaded pole motor or the capacitor motor, the noise is low, the cost is low, and objective production benefits are achieved.
Drawings
Fig. 1: the structure of the invention is schematically shown.
Fig. 2: the invention is a schematic plan view.
Fig. 3: an explosion diagram of the synchronous motor.
Fig. 4: schematic diagram of pin slot position distribution.
Fig. 5: and a U-shaped iron core plane schematic diagram.
Fig. 6: the structure of the soldering-free contact pin is shown in the schematic diagram.
In the figure: 1. a blower; 2. a synchronous motor; 3. a housing; 4. an impeller; 5. a rotor; 6. a rotating shaft; 7. a stator skeleton; 7-1, a winding frame; 7-2, a pin holder; 7-2-1, a welding-free contact pin groove; 7-2-2, bonding wire pin grooves; 8. a U-shaped iron core; 9. a welding-free contact pin; 10. a bonding wire pin; 11. a rotor cavity; 12. an L-shaped mounting structure; 13. a wiring board; 14. a connecting buckle; 15. a thread clamping seam; 16. a rear end cover; 17. a front end cover; 17-1, a fixed bracket; 18. positioning the boss; 19. and (5) a binding post.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more clear, the present invention will be further described with reference to the embodiments and the accompanying drawings.
Examples
1-3, An alternating current cross-flow fan comprises a fan 1 and a synchronous motor 2, wherein the fan 1 comprises a shell 3 and an impeller 4 arranged in the shell 3, the synchronous motor 2 comprises a rotor assembly and a stator assembly, the rotor assembly comprises a permanent magnet rotor 5 and a rotating shaft 6 thereof, and the stator assembly comprises a stator framework 7 and a U-shaped iron core 8. As shown in fig. 5, the stator framework 7 includes two hollow bobbins 7-1 and a pin holder 7-2 located at the bottom of the bobbins 7-1, a coil winding is arranged at the periphery of the bobbins 7-1, a plurality of groups of pin slots are formed in the pin holder 7-2, each pin slot includes a welding-free pin slot 7-2-1 and a manual welding slot 7-2-2, an adaptive welding-free pin 9 is arranged in the welding-free pin slot 7-2-1, and an adaptive welding wire pin 10 is arranged in the manual welding slot 7-2-2. The stator framework 7 is sleeved and fixed on the U-shaped iron core 8, wherein a rotor cavity 11 which is adapted to the permanent magnet rotor 5 is arranged on the inner side of the U-shaped iron core 8, and the permanent magnet rotor 5 is movably arranged in the rotor cavity 11. An L-shaped mounting structure 12 is fixed on one side of the shell 3, and a wiring board 13 is fixed on the edge of the L-shaped mounting structure 12; the synchronous motor is fixed on the L-shaped mounting structure 13, the rotating shaft penetrates into the shell 3 to be connected with the impeller 4, and the wiring board 13 is electrically connected with the winding through the welding-free contact pin 9 or the welding wire contact pin 9 by a lead wire.
As a preferred solution, in order to omit the process of producing the welded and fixed bobbin 9 on the basis of the above embodiment, a movable bendable connecting buckle 14 is provided on the bobbin 7-1 along the edge, and the bobbins 7-1 are joined by the connecting buckle 14.
As a preferred technical solution, on the basis of the above embodiment, as shown in fig. 4 and 6, the welding-free pin slot 7-2-1 is embedded with the enameled wire of the coil winding, and the welding-free pin 9 is provided with a wire clamping slot 15 for clamping and breaking the insulating skin of the enameled wire. The wire clamping slot 15 on the welding-free contact pin 9 is matched with the wire diameter of the enameled wire, and the welding-free contact pin 9 is inserted into the welding-free contact pin groove 7-2-1 to directly clamp the insulating skin of the enameled wire, so that the electric connection is realized.
As a preferred technical solution, in order to reduce noise generated during operation of the motor, the two ends of the rotor cavity 11 are respectively fixed with a rear end cover 16 and a front end cover 17 with a fixing bracket 17-1, and the two ends of the rotating shaft 6 respectively pass through a front bearing chamber of the front end cover 17 and a rear bearing chamber of the rear end cover 16. The front end cover 17 and the rear end cover 16 are respectively provided with a positioning boss 18 embedded in the rotor cavity 11 at one side close to the U-shaped iron core 8. The positioning boss 20 is embedded between the gap between the permanent magnet rotor 5 and the rotor cavity 17, so that the end cover is better fixed, and vibration generated by the end cover due to rotation of the rotor is reduced when the motor works, and motor noise is reduced.
As a preferred technical solution, on the basis of the above embodiment, the wiring board is provided with a wiring terminal 19 for externally connecting alternating current, and the wiring terminal 19 is fixed on the wiring board 13 through a plastic packaging process. The wiring board 14 is integrally connected with the wiring post 21, and when the wiring is connected, the wiring port can be directly inserted into a reserved hole site on the wiring post 21, so that the production efficiency can be improved.
The cross-flow fan provided by the invention is provided with the synchronous motor which is different from the existing cross-flow fan, can directly use alternating voltage, does not need a rectifying and brushless direct current motor driving module, and has higher efficiency than that of a shaded pole motor and a capacitor motor; meanwhile, the synchronous motor is improved in a series, and the synchronous motor comprises a positioning boss arranged on an end cover, a stator framework adopts an integrated double-winding-frame structure and the like, so that the production efficiency can be improved, and the production cost can be saved.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or that equivalents may be substituted for part of the technical features thereof. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (1)
1. The utility model provides an alternating current cross flow fan, includes fan (1) and synchronous motor (2), fan (1) include casing (3) and locate impeller (4) in casing (3), synchronous motor (2) include rotor subassembly and stator module, its characterized in that: the rotor assembly comprises a permanent magnet rotor (5) and a rotating shaft (6) thereof, and the stator assembly comprises a stator framework (7) and a U-shaped iron core (8); the stator framework (7) comprises two hollow bobbins (7-1) and pin holders (7-2) positioned at the bottoms of the bobbins (7-1), coil windings are arranged on the peripheries of the bobbins (7-1), a plurality of groups of pin grooves are formed in the pin holders (7-2), each pin groove comprises a welding-free pin groove (7-2-1) and a manual welding groove (7-2-2), an adaptive welding-free pin (9) is arranged in each welding-free pin groove (7-2-1), and an adaptive welding wire pin (10) is arranged in each manual welding groove (7-2-2); the stator framework (7) is sleeved and fixed on the U-shaped iron core (8), a rotor cavity (11) which is adapted to the permanent magnet rotor (5) is arranged on the inner side of the U-shaped iron core (8), and the permanent magnet rotor (5) is movably arranged in the rotor cavity (11); an L-shaped mounting structure (12) is fixed on one side of the shell (3), and a wiring board (13) is fixed on the edge of the L-shaped mounting structure (12); the synchronous motor is fixed on an L-shaped mounting structure (12), the rotating shaft penetrates into the shell (3) and is connected with the impeller (4), and the wiring board (13) is electrically connected with the winding through the lead wire through the welding-free contact pin (9) or the welding wire contact pin (10); a connecting buckle (14) capable of being bent is arranged on the upper edge of the winding frame (7-1), and the winding frame (7-1) is connected through the connecting buckle (14); the welding-free contact pin groove (7-2-1) is internally embedded with an enameled wire of a coil winding, and the welding-free contact pin (9) is provided with a wire clamping slot (15) for clamping and breaking the insulating skin of the enameled wire; a rear end cover (16) and a front end cover (17) with a fixed bracket (17-1) are respectively fixed at two ends of the rotor cavity (11), and two ends of the rotating shaft (6) respectively penetrate through a front bearing chamber of the front end cover (17) and a rear bearing chamber of the rear end cover (16); one side of the front end cover (17) and one side of the rear end cover (16) close to the U-shaped iron core (8) are respectively provided with a positioning boss (18) embedded in the rotor cavity (11); the wiring board is provided with a wiring terminal (19) for externally connecting alternating current, and the wiring terminal (19) is fixed on the wiring board (13) through a plastic packaging process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811423124.5A CN109356869B (en) | 2018-11-26 | 2018-11-26 | Alternating current cross-flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811423124.5A CN109356869B (en) | 2018-11-26 | 2018-11-26 | Alternating current cross-flow fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109356869A CN109356869A (en) | 2019-02-19 |
| CN109356869B true CN109356869B (en) | 2024-06-11 |
Family
ID=65343009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811423124.5A Active CN109356869B (en) | 2018-11-26 | 2018-11-26 | Alternating current cross-flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109356869B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ2022334A3 (en) * | 2022-08-11 | 2023-09-27 | LIVING CZ spol. s r.o. | A brushless DC electric motor |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2270281Y (en) * | 1996-05-22 | 1997-12-10 | 管佩君 | Terminal structure with thin slit |
| CN103023262A (en) * | 2011-09-27 | 2013-04-03 | 浙江三花股份有限公司 | Direct current brushless motor pump, motor, stator assembly, and method for assembling motor |
| CN205260378U (en) * | 2015-12-24 | 2016-05-25 | 佛山市顺德区伊默特电机有限公司 | Cross flow fan |
| CN205304558U (en) * | 2015-12-28 | 2016-06-08 | 东明机电（深圳）有限公司 | Synchronous motor |
| CN106208567A (en) * | 2016-09-23 | 2016-12-07 | 常州市诚利电子有限公司 | The production technology of p-m step motor |
| CN106968987A (en) * | 2017-04-12 | 2017-07-21 | 深圳市上羽科技有限公司 | A kind of special cross flow fan for radiating and noise being reduced of air-conditioning |
| CN206469213U (en) * | 2017-01-19 | 2017-09-05 | 深圳市众耀光电有限公司 | A kind of LED exempts from solder plug |
| CN208939704U (en) * | 2018-11-26 | 2019-06-04 | 佛山市顺德区伊默特电机有限公司 | A kind of modified form motor skeleton |
| CN209053817U (en) * | 2018-11-26 | 2019-07-02 | 佛山市顺德区伊默特电机有限公司 | A kind of exchange cross flow fan |
| CN209170089U (en) * | 2019-01-29 | 2019-07-26 | 佛山市顺德区伊默特电机有限公司 | Brushless noninductive direct current generator |
-
2018
- 2018-11-26 CN CN201811423124.5A patent/CN109356869B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2270281Y (en) * | 1996-05-22 | 1997-12-10 | 管佩君 | Terminal structure with thin slit |
| CN103023262A (en) * | 2011-09-27 | 2013-04-03 | 浙江三花股份有限公司 | Direct current brushless motor pump, motor, stator assembly, and method for assembling motor |
| CN205260378U (en) * | 2015-12-24 | 2016-05-25 | 佛山市顺德区伊默特电机有限公司 | Cross flow fan |
| CN205304558U (en) * | 2015-12-28 | 2016-06-08 | 东明机电（深圳）有限公司 | Synchronous motor |
| CN106208567A (en) * | 2016-09-23 | 2016-12-07 | 常州市诚利电子有限公司 | The production technology of p-m step motor |
| CN206469213U (en) * | 2017-01-19 | 2017-09-05 | 深圳市众耀光电有限公司 | A kind of LED exempts from solder plug |
| CN106968987A (en) * | 2017-04-12 | 2017-07-21 | 深圳市上羽科技有限公司 | A kind of special cross flow fan for radiating and noise being reduced of air-conditioning |
| CN208939704U (en) * | 2018-11-26 | 2019-06-04 | 佛山市顺德区伊默特电机有限公司 | A kind of modified form motor skeleton |
| CN209053817U (en) * | 2018-11-26 | 2019-07-02 | 佛山市顺德区伊默特电机有限公司 | A kind of exchange cross flow fan |
| CN209170089U (en) * | 2019-01-29 | 2019-07-26 | 佛山市顺德区伊默特电机有限公司 | Brushless noninductive direct current generator |
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| Publication number | Publication date |
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| CN109356869A (en) | 2019-02-19 |
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Effective date of registration: 20240425 Address after: 528000, Unit 3A, Building 6, No. 2 Zhi'an North Road, Jun'an Community, Jun'an Town, Shunde District, Foshan City, Guangdong Province Applicant after: Guangdong Imote Intelligent Technology Co.,Ltd. Country or region after: China Address before: 528000 No.8 No.2 Industrial Avenue, Shapu Village, Jun'an Town, Shunde District, Foshan City, Guangdong Province Applicant before: FOSHAN SHUNDE E-MOTOR MACHINERY Co.,Ltd. Country or region before: China |
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