CN207542976U - A kind of brshless DC motor - Google Patents
A kind of brshless DC motor Download PDFInfo
- Publication number
- CN207542976U CN207542976U CN201721572982.7U CN201721572982U CN207542976U CN 207542976 U CN207542976 U CN 207542976U CN 201721572982 U CN201721572982 U CN 201721572982U CN 207542976 U CN207542976 U CN 207542976U
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- CN
- China
- Prior art keywords
- casing
- stator
- shaft
- rotor
- protective shell
- 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.)
- Expired - Fee Related
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- Motor Or Generator Frames (AREA)
- Brushless Motors (AREA)
Abstract
The utility model discloses a kind of brshless DC motors, including shaft, stator, flabellum, casing and installing plate, protective shell is installed on the outside of the casing, and cushion pad is equipped between protective shell and casing, the both sides of the protective shell are equipped with two groups of fixed baffles, the central position of the drive end bearing bracket is equipped with the shaft through casing by bearing, rotor is installed in the shaft of the drive end bearing bracket side, the outside of the rotor is equipped with permanent magnet, stator is installed in casing at the rotor outer fix, the stator is equipped with the stator coil for extending to stator both sides close to the side of rotor, the support plate is equipped with flabellum in the shaft far from stator side, the side far from drive end bearing bracket is equipped with rear end cap in the casing.The utility model is designed reasonably, utilization rate of electrical is high, and installation is simple, by being equipped with flabellum in shaft, directly chassis cavity is purged, reduces the temperature of rotor and stator, heat dissipation effect is notable.
Description
Technical field
The utility model is related to technical field of motors, specially a kind of brshless DC motor.
Background technology
Brushless motor refers to the motor of brushless and commutator (or collector ring), also known as commutatorless machine, brushless direct-current
Motor is made of motor body and driver, is a kind of typical electromechanical integrated product, using transistor commutating circuit generation
For brush and commutator, motor is lost in itself without excitation loss and carbon brush, eliminates multi-stage speed-reducing consumption, but now use brushless
Direct -current electric motor performance is not high, still remains the problem of heat dissipation effect is bad, and coil service life is low, and vibrations of jolting are larger.
Utility model content
The purpose of this utility model is to provide a kind of brshless DC motor, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides following technical solution：A kind of brshless DC motor, including shaft,
Stator, flabellum, casing and installing plate are equipped with protective shell on the outside of the casing, and buffering are equipped between protective shell and casing
Pad, the both sides of the protective shell are equipped with two groups of fixed baffles, and the both sides of fixed baffle bottom protective shell are equipped with installing plate,
The power knob extended on the outside of protective shell is installed, in the casing on the casing at the fixed baffle top center position
Side drive end bearing bracket is installed, the central position of the drive end bearing bracket is equipped with the shaft through casing by bearing, before described
Rotor is installed, the outside of the rotor is equipped with permanent magnet, the casing at the rotor outer fix in the shaft of end cap sidewall
Stator is inside installed, the stator is equipped with the stator coil for extending to stator both sides close to the side of rotor, and the stator is remote
Support plate in the casing from drive end bearing bracket side is installed, bearing is installed in the support plate at the shaft outer fix, it is described
Support plate is equipped with flabellum in the shaft far from stator side, transverter is equipped in the casing of the flabellum lower position,
Driver is installed, the side far from drive end bearing bracket is equipped with rear end cap, and in rear end cap in the casing above the flabellum
The central position of side wall is equipped with hall sensing circuit board, and the central position of the rear end cap lateral wall is equipped with connection jaws.
Preferably, the both sides of the casing are equipped with Air Filter.
Preferably, the outside of the stator is equipped with insulating layer.
Preferably, three groups of mounting holes are evenly distributed on the installing plate.
Preferably, the drive end bearing bracket, support plate and rear end cap are equipped with ventilation hole.
Compared with prior art, the beneficial effects of the utility model are：The brshless DC motor reasonable design, utilization of power
Rate is high, and installation is simple, by being equipped with flabellum in shaft, directly chassis cavity is purged, reduces the temperature of rotor and stator
Degree, heat dissipation effect is notable, by the both sides being installed on drive end bearing bracket and rear end cap in casing, while is extended by protective shell top
Design, prevents rainwater from entering in casing, realizes certain water-proof function, can prevent dust from entering casing by being equipped with Air Filter
It is interior, the service life of motor is extended, insulating layer is equipped with by the outside of stator, reduces the leakage field on stator, improves motor effect
Rate can facilitate installation, and motor installation can be made more firm by being equipped with fixed baffle by being equipped with installing plate, pass through guarantor
Cushion pad is equipped between protective case and casing can reduce vibrations.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the front view of the utility model；
Fig. 3 is the side view of the utility model.
In figure：1- shafts；2- stator coils；3- insulating layers；4- stators；5- rotors；6- bearings；7- transverters；8- flabellums；
9- rear end caps；10- drive end bearing brackets；11- protective shells；12- cushion pads；13- casings；14- permanent magnets；15- support plates；16- drivers；
17- hall sensing circuit boards；18- connection jaws；19- power knobs；20- fixed baffles；21- installing plates.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, a kind of embodiment provided by the utility model：A kind of brshless DC motor including shaft 1, is determined
Son 4, flabellum 8, casing 13 and installing plate 21, the both sides of casing 13 are equipped with Air Filter, prevent dust from entering in casing 13, casing
13 outside is equipped with protective shell 11, and cushion pad 12 is equipped between protective shell 11 and casing 13, reduces motor vibrations, protective shell
11 both sides are equipped with two groups of fixed baffles 20, and the both sides of 20 bottom protective shell 11 of fixed baffle are equipped with installing plate 21, peace
It is evenly distributed with three groups of mounting holes in loading board 21, is equipped on the casing 13 at 20 top center position of fixed baffle and extends to guarantor
The power knob 19 in the outside of protective case 11, the side in casing 13 are equipped with drive end bearing bracket 10, and the central position of drive end bearing bracket 10 passes through
Bearing 6 is equipped with the shaft 1 through casing 13, and rotor 5 is equipped in the shaft 1 of 10 side of drive end bearing bracket, and the outside of rotor 5 is equipped with
Permanent magnet 14 is equipped with stator 4 in the casing 13 at 5 outer fix of rotor, and the outside of stator 4 is equipped with insulating layer 3, and stator 4 leans on
The side of nearly rotor 5 is equipped with the stator coil 2 for extending to 4 both sides of stator, in casing 13 of the stator 4 far from 10 side of drive end bearing bracket
Support plate 15 is installed, bearing 6 is installed in the support plate 15 at 1 outer fix of shaft, support plate 15 is far from 4 side of stator
Flabellum 8 is installed, drive end bearing bracket 10, support plate 15 and rear end cap 9 are equipped with ventilation hole, can band when shaft 1 rotates in shaft 1
Dynamic flabellum 8 rotates, and 13 inner cavity of casing is purged, and reduces the temperature of rotor 5 and stator 4, the casing of 8 lower position of flabellum
Transverter 7 in 13 is installed, during work, first passes through transverter 7 DC voltage is changed into 3 phase voltages and enter stator coil 2, then
2 excitation current of stator coil generates magnetic field, drives 5 cutting magnetic induction line of rotor by electromagnetic induction, rotates shaft 1, flabellum 8
Top driver 16 is installed, be made of power electronic device and integrated circuit etc., receive the startup, stopping, system of motor
Dynamic signal, to control the startup of motor, stopping and braking, receives position sensor signal and positive and negative rotaring signal, for controlling
The break-make of each power tube of inverter bridge generates continuous torque, receives speed command and feedback speed signal, turns for controlling and adjusting
Speed etc., the side far from drive end bearing bracket 10 is equipped with rear end cap 9, and the central position installation of 9 madial wall of rear end cap in casing 13
There is hall sensing circuit board 17, detect the polarity of rotor 5, the central position of 9 lateral wall of rear end cap is equipped with connection jaws 18, is convenient for
External power supply and conducting wire.
Operation principle：Place to be used is needed in use, first passing through installing plate 21 and being mounted on the brshless DC motor, is led to
18 external wire of connection jaws is crossed to connect power supply, powers on motor by power knob 19, passes through 5 cutting magnetic induction line of rotor
Shaft 1 is driven to rotate, shaft 1 can drive flabellum 8 to rotate while rotation, to rotor 5 and the purging heat dissipation of stator 4.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that by containing in the equivalent requirements of the claims is fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (5)
1. a kind of brshless DC motor, special including shaft (1), stator (4), flabellum (8), casing (13) and installing plate (21)
Sign is：Protective shell (11) on the outside of the casing (13) is installed, and buffering is equipped between protective shell (11) and casing (13)
It pads (12), the both sides of the protective shell (11) are equipped with two groups of fixed baffles (20), and fixed baffle (20) bottom protective shell
(11) both sides are equipped with installing plate (21), are equipped with and prolong on the casing (13) at fixed baffle (20) the top center position
Extend to the power knob (19) on the outside of protective shell (11), the side in the casing (13) is equipped with drive end bearing bracket (10), before described
The central position of end cap (10) is equipped with the shaft (1) through casing (13), drive end bearing bracket (10) side by bearing (6)
Shaft (1) on rotor (5) is installed, the outside of the rotor (5) is equipped with permanent magnet (14), rotor (5) outer fix
Stator (4) is installed, the stator (4) is equipped with close to the side of rotor (5) and extends to stator (4) two in the casing (13) at place
The stator coil (2) of side, the stator (4) are equipped with support plate (15), institute in the casing (13) far from drive end bearing bracket (10) side
It states and bearing (6) is installed in the support plate (15) at shaft (1) outer fix, the support plate (15) is far from stator (4) side
Shaft (1) on flabellum (8) is installed, transverter (7), institute are installed in the casing (13) of flabellum (8) lower position
It states and driver (16) is installed above flabellum (8), the side far from drive end bearing bracket (10) is equipped with rear end in the casing (13)
It covers (9), and the central position of rear end cap (9) madial wall is equipped with hall sensing circuit board (17), rear end cap (9) outside
The central position of wall is equipped with connection jaws (18).
2. a kind of brshless DC motor according to claim 1, it is characterised in that：The both sides of the casing (13) are equipped with
Air Filter.
3. a kind of brshless DC motor according to claim 1, it is characterised in that：The outside of the stator (4) is equipped with exhausted
Edge layer (3).
4. a kind of brshless DC motor according to claim 1, it is characterised in that：It is uniformly distributed on the installing plate (21)
There are three groups of mounting holes.
5. a kind of brshless DC motor according to claim 1, it is characterised in that：The drive end bearing bracket (10), support plate
(15) and rear end cap (9) is equipped with ventilation hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721572982.7U CN207542976U (en) | 2017-11-22 | 2017-11-22 | A kind of brshless DC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721572982.7U CN207542976U (en) | 2017-11-22 | 2017-11-22 | A kind of brshless DC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207542976U true CN207542976U (en) | 2018-06-26 |
Family
ID=62614628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721572982.7U Expired - Fee Related CN207542976U (en) | 2017-11-22 | 2017-11-22 | A kind of brshless DC motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207542976U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311505A (en) * | 2019-07-19 | 2019-10-08 | 长沙如洋环保科技有限公司 | A kind of motor |
| CN110535294A (en) * | 2019-09-23 | 2019-12-03 | 义乌市驭马机电设备有限公司 | A kind of integrated motor |
| CN113300522A (en) * | 2021-05-11 | 2021-08-24 | 张涵宇 | Electric machine |
-
2017
- 2017-11-22 CN CN201721572982.7U patent/CN207542976U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311505A (en) * | 2019-07-19 | 2019-10-08 | 长沙如洋环保科技有限公司 | A kind of motor |
| CN110535294A (en) * | 2019-09-23 | 2019-12-03 | 义乌市驭马机电设备有限公司 | A kind of integrated motor |
| CN113300522A (en) * | 2021-05-11 | 2021-08-24 | 张涵宇 | Electric machine |
| CN113300522B (en) * | 2021-05-11 | 2022-07-12 | 江苏锡安达防爆股份有限公司 | Electric machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180626 Termination date: 20181122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |