CN203466685U - 24V direct current brushless motor - Google Patents
24V direct current brushless motor Download PDFInfo
- Publication number
- CN203466685U CN203466685U CN201320462869.9U CN201320462869U CN203466685U CN 203466685 U CN203466685 U CN 203466685U CN 201320462869 U CN201320462869 U CN 201320462869U CN 203466685 U CN203466685 U CN 203466685U
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- CN
- China
- Prior art keywords
- motor
- brushless motor
- rotor core
- rotating shaft
- fixed core
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- Expired - Lifetime
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Abstract
The utility model relates to a 24V direct current brushless motor, and belongs to the technical field of motors. The 24V direct current brushless motor comprises an accommodating cavity, a fixed core, a rotor core, magnetic steel and a rotating shaft, wherein the accommodating cavity is formed by a front end cover, a case and a rear end cover, the fixed core is arranged in the accommodating cavity, the rotor core is arranged at the center of the fixed core, the magnetic steel is arranged outside the rotor core, the rotating shaft is fixedly connected with the rotor core, and the rotating shaft is provided with a temperature sensing and rotating speed controller in a sleeved mode. The 24V direct current brushless motor is simple in structure and reasonable in design, and the temperature sensing and rotating speed controller is additionally arranged in the motor, thereby enabling the motor to have the following beneficial effects that: the application range of the motor is expanded, and applications of the motor under multiple requirements are satisfied; when the operating temperature is monitored to exceed the standard, the motor is powered off automatically, thereby prolonging the service life of the motor, and improving the safety of the motor in use; and the rotating speed of the motor is regulated finely according to temperature rise in the motor, thereby enabling the motor to keep running within an appropriate temperature.
Description
Technical field
The utility model belongs to technical field of motors, is specifically related to 24V DC brushless motor.
Background technology
DC brushless motor is a kind of of synchronous machine, and the rotating speed of rotor is subject to the speed of motor stator rotating magnetic field and the impact of rotor number of poles (P): n=60* f/P.Under rotor number of poles fixation case, the frequency that changes stator rotating magnetic field just can change the rotating speed of rotor.DC brushless motor is that synchronous machine is added to electronic type controls (driver), controls the frequency of stator rotating magnetic field and the rotating speed of rotor is feedback to control centre and repeatedly proofreaied and correct, to reaching the mode that approaches direct current machine characteristic.Be that DC brushless motor can still can be controlled rotor and maintains certain rotating speed within the scope of nominal load when load variations.
Existing DC brushless motor inside does not arrange temperature sense and the rotational speed governor of control and monitor temperature and rotating speed, when the operating temperature in motor surpasses normal temperature, motor is still in running, cause the load operation of motor, reduced the useful life of motor, increased motor and used potential safety hazard.
Utility model content
The problem existing for prior art, the purpose of this utility model is that design provides the technical scheme of 24V DC brushless motor.
Described 24V DC brushless motor, comprise the accommodating cavity being formed by front end housing, casing and rear end cap, be arranged on the fixed core in accommodating cavity, be arranged on the rotor core at fixed core center, the rotating shaft that is arranged on the magnet steel outside rotor core and is fixedly connected with rotor core, is characterized in that in described rotating shaft, being socketed set temperature responds to and rotational speed governor.
Described 24V DC brushless motor, is characterized in that described casing is fixedly installed between front end housing and rear end cap.
Described 24V DC brushless motor, is characterized in that being fixedly installed back shroud in the middle of described rear end cap, is fixedly installed front shroud in the middle of described front end housing.
Described 24V DC brushless motor, is characterized in that described rotating shaft front end is provided with bearing II, and rear end is provided with bearing I, and described bearing II is fixedly installed in front end housing, and described bearing I is fixedly installed in rear end cap.
Described 24V DC brushless motor, is characterized in that described fixed core is provided with front skeleton towards one end of front end housing, and described fixed core backwards one end of end cap is provided with back skeleton.
Described 24V DC brushless motor, is characterized in that described temperature sense and rotational speed governor two ends are fixedly installed on back skeleton.
Above-mentioned 24V DC brushless motor, simple in structure, reasonable in design, at motor internal, set up temperature sense and rotational speed governor, make it reach following beneficial effect:
1) by the rotational speed governor in temperature sense and rotational speed governor, control rotating speed, expand motor application scope, meet the use of motor under multiple requirement;
2), by the temperature sense controller controlling run temperature in temperature sense and rotational speed governor, when the operating temperature monitoring exceeds standard, auto-breaking, extends motor useful life, improves motor and uses safety;
3) by the rotational speed governor in temperature sense and rotational speed governor and temperature sense controller, control, according to electric machine temperature rise automatic fine tuning motor speed, make motor remain on operation in suitable temperature.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1-power line; 2-rear end cap; 3-back shroud; 4-bearing I; 5-magnet steel; 6-back skeleton; 7-casing; 8-fixed core; Skeleton before 9-; 10-front end housing; 11-rotating shaft; 12-front shroud; 13-bearing II.
Embodiment
Below in conjunction with Figure of description, further illustrate the utility model.
As shown in the figure, 24V DC brushless motor comprises the accommodating cavity that front end housing 10, casing 7 and rear end cap 2 form, and wherein casing 7 is fixedly installed between front end housing 10 and rear end cap 2, is provided with front shroud 12 in the middle of front end housing 10, is provided with back shroud 3 in the middle of rear end cap 2.In accommodating cavity, be provided with fixed core 8, fixed core 8 is provided with front skeleton 9 towards one end of front end housing 10, and fixed core 8 backwards one end of end cap 2 is provided with back skeleton 6.Fixed core 8 centers are provided with rotor core, and rotor core is provided with magnet steel 5 outward, the rotating shaft 11 that rotor core is fixedly connected with.Rotating shaft 11 front ends are provided with bearing II 13, and rear end is provided with bearing I 4, and its middle (center) bearing II 13 is fixedly installed in front end housing 10, and bearing I 4 is fixedly installed in rear end cap 2.
In order to control rotating speed and the temperature in motor, in rotating shaft 11, be socketed set temperature induction and rotational speed governor 14, and temperature sense and rotational speed governor 14 two ends are fixedly installed on back skeleton 6.Temperature sense controller and rotational speed governor that temperature sense and rotational speed governor 14 are integrated.
The utility model is controlled rotating speed by the rotational speed governor in temperature sense and rotational speed governor 14, expands motor application scope, meets the use of motor under multiple requirement; By the temperature sense controller controlling run temperature in temperature sense and rotational speed governor 14, when the operating temperature monitoring exceeds standard, auto-breaking, extends motor useful life, improves motor and uses safety; By the rotational speed governor in temperature sense and rotational speed governor 14 and temperature sense controller, control, according to electric machine temperature rise automatic fine tuning motor speed, make motor remain on operation in suitable temperature.
Shown in the above and figure is only preferred implementation of the present utility model.It should be pointed out that for the person of ordinary skill of the art, not departing under the prerequisite of the utility model principle, can also make some modification and improvement, these also should be considered as belonging to protection range of the present utility model.
Claims (6)
1.24V DC brushless motor, comprise the accommodating cavity being formed by front end housing (10), casing (7) and rear end cap (2), be arranged on the fixed core (8) in accommodating cavity, be arranged on the rotor core at fixed core (8) center, the rotating shaft (11) that is arranged on the magnet steel (5) outside rotor core and is fixedly connected with rotor core, is characterized in that the upper socket of described rotating shaft (11) set temperature induction and rotational speed governor (14).
2. 24V DC brushless motor as claimed in claim 1, is characterized in that described casing (7) is fixedly installed between front end housing (10) and rear end cap (2).
3. 24V DC brushless motor as claimed in claim 1, is characterized in that being fixedly installed back shroud (3) in the middle of described rear end cap (2), is fixedly installed front shroud (12) in the middle of described front end housing (10).
4. 24V DC brushless motor as claimed in claim 1, it is characterized in that described rotating shaft (11) front end is provided with bearing II (13), rear end is provided with bearing I (4), described bearing II (13) is fixedly installed in front end housing (10), and described bearing I (4) is fixedly installed in rear end cap (2).
5. 24V DC brushless motor as claimed in claim 1, is characterized in that described fixed core (8) is provided with front skeleton (9) towards one end of front end housing (10), and described fixed core (8) backwards one end of end cap (2) is provided with back skeleton (6).
6. 24V DC brushless motor as claimed in claim 5, is characterized in that described temperature sense and rotational speed governor (14) two ends are fixedly installed on back skeleton (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320462869.9U CN203466685U (en) | 2013-07-31 | 2013-07-31 | 24V direct current brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320462869.9U CN203466685U (en) | 2013-07-31 | 2013-07-31 | 24V direct current brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203466685U true CN203466685U (en) | 2014-03-05 |
Family
ID=50179022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320462869.9U Expired - Lifetime CN203466685U (en) | 2013-07-31 | 2013-07-31 | 24V direct current brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203466685U (en) |
-
2013
- 2013-07-31 CN CN201320462869.9U patent/CN203466685U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220818 Address after: 311401 Building 2, No.12, No.6 Road, Dongzhou industrial functional zone, Dongzhou street, Fuyang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Xinli Electrical Technology Co.,Ltd. Address before: Minlian Village, Dongzhou Street, Fuyang City, Hangzhou City, Zhejiang Province 311401 Patentee before: HANGZHOU AOTAI ELECTRICAL Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140305 |