CN203674947U - Minitype brushless direct current motor - Google Patents
Minitype brushless direct current motor Download PDFInfo
- Publication number
- CN203674947U CN203674947U CN201320748316.XU CN201320748316U CN203674947U CN 203674947 U CN203674947 U CN 203674947U CN 201320748316 U CN201320748316 U CN 201320748316U CN 203674947 U CN203674947 U CN 203674947U
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- Prior art keywords
- bonnet
- brushless direct
- current motor
- bearing
- rotor assembly
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Abstract
The utility model provides a minitype brushless direct current motor. The minitype brushless direct current motor comprises a housing, a stator assembly, a rotor assembly, a rear cover, a front cover bearing and a rear cover bearing, and a sensor assembly. The housing comprises a front cover and an outer housing. The outer housing is a hollow cylinder. The stator assembly is disposed in the outer housing. The rotor assembly is rotatably sleeved on the middle part of the stator assembly. The rear cover is connected with the tail end of the outer housing through an insulating sheet. The front cover bearing and the rear cover bearing are respectively disposed on the middle parts of a front cover and a rear cover. The sensor assembly is disposed on the rear cover. The rotor assembly is a rotor assembly comprising a fan. Through arranging the fan which is used to radiate heat, the motor is advantaged by good heat radiation effect and long service life, and strength of the motor is effectively enhanced, and energy consumption is effectively reduced.
Description
Technical field
The utility model relates to a kind of direct current machine, relates in particular to a kind of structure of miniature brushless direct-current motor.
Background technology
Brshless DC motor is the one of permanent magnetic synchronous electrical motor, and is not real direct current machine, the English BLDC that is called for short.Be different from brushless motor, brshless DC motor does not use mechanical brushgear, adopt square wave autocontrol permagnetic synchronous motor, replace carbon brush commutator with Hall element, permanent magnetic material using neodymium iron boron as rotor, in performance, comparing general traditional direct current machine and have great advantage, is current optimal buncher.
Brshless DC motor is made up of motor body and driver, is a kind of typical electromechanical integrated product.The stator winding of motor is made three-phase symmetrical star connection more, quite similar with threephase asynchronous.On the rotor of motor, be stained with the permanent magnet having magnetized, in order to detect the polarity of motor rotor, at the in-built position sensor of motor.Driver is made up of power electronic device and integrated circuit etc., and its function is: accept motor startup, stop, brake signal, with control motor startup, stop and braking; Accept position sensor signal and rotating signal, be used for controlling the break-make of the each power tube of inverter bridge, produce continuous torque; Accept speed command and feedback speed signal, be used for controlling and adjustment rotating speed; Protection is provided and shows etc.
But the brshless DC motor of prior art is due to the reason such as radiating effect is poor, cause it to have the deficiency of limited, the aspect such as radiating effect is poor, energy consumption is high in useful life.
Summary of the invention
In view of there is the deficiency of limited, the aspect such as radiating effect is poor, energy consumption is high in useful life in brshless DC motor in prior art.The purpose of this utility model is to provide one fan to be installed for heat radiation, has good heat dissipation effect, can effectively strengthen the dynamics of motor, and long service life, can effectively lower the miniature brushless direct-current motor of the aspect advantages such as energy consumption.
For realizing above-mentioned purpose of the present utility model, the utility model provides a kind of miniature brushless direct-current motor, and described miniature brushless direct-current motor comprises: a housing, and described housing comprises a protecgulum and a shell, described shell is the cylindrical body of a hollow; Stator group part, is installed in described shell; One rotor assembly, the rotating middle part that is sheathed on described stator module; One bonnet, described bonnet is connected to the tail end of described shell by an insulating trip; One Front Cover Bearing and a bonnet bearing, described Front Cover Bearing and bonnet bearing are arranged at respectively the middle part of described protecgulum and bonnet; One sensor cluster, described sensor cluster is arranged on described bonnet; Described rotor assembly is the rotor assembly that includes fan.
According to above-mentioned design of the present utility model, described rotor assembly comprises that a rotating shaft and order are socketed on a fan, a balance weight and the magnet in described rotating shaft.
According to above-mentioned design of the present utility model, the two ends of described rotating shaft are socketed on respectively on described Front Cover Bearing and bonnet bearing.
According to above-mentioned design of the present utility model, described sensor cluster comprises the transducer link that is linked in sequence, and a transducer is adjusted swivelling cover and a transducer tightening cover.
According to above-mentioned design of the present utility model, described sensor cluster is connected on described bonnet and housing by screw and screw rod.
Advantage of the present utility model and beneficial effect are: be used for heat radiation by provided with fan, have good heat dissipation effect, can effectively strengthen the dynamics of motor, long service life, can effectively lower the aspect advantages such as energy consumption.
Accompanying drawing explanation
The perspective view of Fig. 1 miniature brushless direct-current motor of the present utility model;
The decomposition texture schematic diagram of Fig. 2 miniature brushless direct-current motor of the present utility model.
Embodiment
In order to further illustrate principle of the present utility model and structure, now by reference to the accompanying drawings preferred embodiment of the present utility model is elaborated, but described embodiment is only for furnishing an explanation and the use of explaining, can not be used for limiting scope of patent protection of the present utility model.
As shown in Figures 1 and 2 be a kind of miniature brushless direct-current motor of the present utility model, described miniature brushless direct-current motor comprises: a housing 1, described shell 1 body comprises a protecgulum 11 and a shell 12, described shell 12 is the cylindrical body of a hollow; Stator group part 2, is installed in described shell 12; One rotor assembly 3, the rotating middle part that is sheathed on described stator module 2; One bonnet 4, described bonnet 4 is connected to the tail end of described shell 12 by an insulating trip 5; One Front Cover Bearing 6 and a bonnet bearing 7, described Front Cover Bearing 6 and bonnet bearing 7 are arranged at respectively the middle part of described protecgulum 11 and bonnet 4; One sensor cluster 8, described sensor cluster 8 is arranged on described bonnet 4; Described rotor assembly 3 is for including the rotor assembly of fan.
According to above-mentioned design of the present utility model, described rotor assembly 3 comprises that a rotating shaft 31 and order are socketed on a fan 32, a balance weight 33 and the magnet 34 in described rotating shaft 31.
According to above-mentioned design of the present utility model, the two ends of described rotating shaft 31 are socketed on respectively on described Front Cover Bearing 6 and bonnet bearing 7.
According to above-mentioned design of the present utility model, described sensor cluster 8 comprises transducer link 81, one transducers adjustment swivelling cover 82 and transducer tightening covers 83 that are linked in sequence.
According to above-mentioned design of the present utility model, described sensor cluster 8 is connected on described bonnet 4 and housing 1 by screw 9 and screw rod 10.
Advantage of the present utility model and beneficial effect are: be used for heat radiation by provided with fan, have good heat dissipation effect, can effectively strengthen the dynamics of motor, long service life, can effectively lower the aspect advantages such as energy consumption.
Foregoing is only preferred embodiment of the present utility model and the variant that exemplifies; be not used for limiting the utility model; every within spirit of the present utility model and principle; any modification and the improvement that need not creative thinking done, within all should being included in protection range of the present utility model.
Claims (5)
1. a miniature brushless direct-current motor, is characterized in that:
Described miniature brushless direct-current motor comprises:
One housing, described housing comprises a protecgulum and a shell, described shell is the cylindrical body of a hollow;
Stator group part, is installed in described shell;
One rotor assembly, the rotating middle part that is sheathed on described assembly;
One bonnet, described bonnet is connected to the tail end of described shell by an insulating trip;
One Front Cover Bearing and a bonnet bearing, described Front Cover Bearing and bonnet bearing are arranged at respectively the middle part of described protecgulum and bonnet;
One sensor cluster, described sensor cluster is arranged on described bonnet;
Described rotor assembly is the rotor assembly that includes fan.
2. miniature brushless direct-current motor according to claim 1, is characterized in that:
Described rotor assembly comprises that a rotating shaft and order are socketed on a fan, a balance weight and the magnet in described rotating shaft.
3. miniature brushless direct-current motor according to claim 2, is characterized in that:
The two ends of described rotating shaft are socketed on respectively on described Front Cover Bearing and bonnet bearing.
4. miniature brushless direct-current motor according to claim 1, is characterized in that:
Described sensor cluster comprises the transducer link that is linked in sequence, and a transducer is adjusted swivelling cover and a transducer tightening cover.
5. miniature brushless direct-current motor according to claim 4, is characterized in that:
Described sensor cluster is connected on described bonnet and housing by screw and screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320748316.XU CN203674947U (en) | 2013-11-25 | 2013-11-25 | Minitype brushless direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320748316.XU CN203674947U (en) | 2013-11-25 | 2013-11-25 | Minitype brushless direct current motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203674947U true CN203674947U (en) | 2014-06-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320748316.XU Expired - Fee Related CN203674947U (en) | 2013-11-25 | 2013-11-25 | Minitype brushless direct current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203674947U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393733A (en) * | 2014-12-03 | 2015-03-04 | 上海电动工具研究所 | Integral high-speed permanent-magnet brushless direct-current motor for electric tool |
| CN105763014A (en) * | 2016-04-07 | 2016-07-13 | 温州的可电器有限公司 | Micro brushless DC motor |
| CN105827059A (en) * | 2016-05-13 | 2016-08-03 | 陈浩骏 | Micro high-frequency vibration motor |
| CN105871161A (en) * | 2016-04-07 | 2016-08-17 | 温州的可电器有限公司 | Miniature brushless DC motor |
| CN113783346A (en) * | 2021-08-24 | 2021-12-10 | 芜湖德力电机有限公司 | Brushless DC motor heat radiation structure |
| CN114337119A (en) * | 2021-06-19 | 2022-04-12 | 深圳市天技电子技术有限公司 | Three-phase brushless motor driven non-inductive control motor driving circuit |
-
2013
- 2013-11-25 CN CN201320748316.XU patent/CN203674947U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393733A (en) * | 2014-12-03 | 2015-03-04 | 上海电动工具研究所 | Integral high-speed permanent-magnet brushless direct-current motor for electric tool |
| CN105763014A (en) * | 2016-04-07 | 2016-07-13 | 温州的可电器有限公司 | Micro brushless DC motor |
| CN105871161A (en) * | 2016-04-07 | 2016-08-17 | 温州的可电器有限公司 | Miniature brushless DC motor |
| CN105827059A (en) * | 2016-05-13 | 2016-08-03 | 陈浩骏 | Micro high-frequency vibration motor |
| CN114337119A (en) * | 2021-06-19 | 2022-04-12 | 深圳市天技电子技术有限公司 | Three-phase brushless motor driven non-inductive control motor driving circuit |
| CN113783346A (en) * | 2021-08-24 | 2021-12-10 | 芜湖德力电机有限公司 | Brushless DC motor heat radiation structure |
| CN113783346B (en) * | 2021-08-24 | 2024-02-02 | 芜湖德力电机有限公司 | Brushless direct current motor heat radiation structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 523000 Guangdong province Dongguan city Humen town gate five MINCHANG road two Lane 5 Patentee after: Guangdong Li Ding long Power Technology Co Ltd Address before: 523000 Guangdong province Dongguan city Humen town gate five MINCHANG road two Lane 5 Patentee before: Five metals plasthetics Co., Ltd of Dongguan City auspicious section |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20191125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |