CN204761264U - Motor - Google Patents
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- CN204761264U CN204761264U CN201520431306.2U CN201520431306U CN204761264U CN 204761264 U CN204761264 U CN 204761264U CN 201520431306 U CN201520431306 U CN 201520431306U CN 204761264 U CN204761264 U CN 204761264U
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- rotor core
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- motor
- permanent magnet
- commutator
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Abstract
The utility model discloses a motor, the brushless motor comprises a stator and a rotor, the stator includes brush, metal cylinder, metal end cover and fixed permanent magnet to this metal cylinder inner wall, the rotor includes pivot, fixed rotor core to this pivot, fixedly is connected to the coil of this commutator to this pivot and with this brush sliding contact's commutator and winding to this rotor core and electricity, the thickness of permanent magnet is selected at 3.8mm-5.4mm within range, rotor core's diameter is selected at 27.8mm-31mm within range, the beneficial effects of the utility model reside in that, for ordinary 42 high voltage direct current motor, owing to improved permanent magnet and rotor core, motor's power obviously promotes, the temperature reduces.
Description
Technical field
The utility model belongs to machine field, particularly a kind of high voltage direct current motor.
Background technology
The magnetic shoe thickness of common 42 high voltage direct current motors is 5.5m, the diameter of rotor core is 27.5mm, this ordinary high pressure direct current machine power is in the running generally between 20 ~ 220W, 220W can not be played, the temperature of motor is generally at 110 ~ 165 degree, can be suitable for when the motor of this power and temperature is general, but in some special occasion, need the 42 high voltage direct current motors using higher-wattage and lower temperature.
Utility model content
The purpose of this utility model is: low for the common 42 high voltage direct current powers of motor of prior art, the deficiency of temperature height, and provides a kind of power higher, the 42 high voltage direct current motors that temperature is lower.
To achieve these goals, the utility model adopts following technical scheme:
A kind of motor, comprising:
Stator, it permanent magnet comprising brush, metal cylinder, metal end and be fixed to this metal cylinder inwall;
And the rotor be contained in this stator, it comprises rotating shaft, be fixed to the rotor core of this rotating shaft, be fixed to this rotating shaft and with the commutator of this brush sliding contact and be wound to this rotor core and be electrically connected to the coil of this commutator;
The thickness of described permanent magnet is selected within the scope of 3.8mm ~ 5.4mm, and the diameter of described rotor core is selected within the scope of 27.8mm ~ 31mm.
One as the utility model motor is improved: also comprise cooling fan blade, described cooling fan blade is fixed to rotating shaft, between rotor core and commutator.
One as the utility model motor is improved: also comprise the first Windmill stand and the second Windmill stand, and described first Windmill stand and the second Windmill stand are fixed on rotor core rear and front end, on described coil winding to the first Windmill stand, rotor core and the second Windmill stand.
One as the utility model motor is improved: also comprise the Jiao Gai be fixed between metal cylinder and metal end, and described brush one end connects Jiao Gai by spring.
One as the utility model motor is improved: also comprise and protect magnetosphere, described in protect magnetosphere and be sleeved on outside described metal cylinder.
One as the utility model motor is improved: described permanent magnet is magnetic shoe.
The beneficial effects of the utility model are, relative to common 42 high voltage direct current motors, owing to improving described permanent magnet and rotor core, the power of motor obviously promotes, and temperature reduces.
Accompanying drawing explanation
Fig. 1 is the structural representation of entirety of the present utility model.
Fig. 2 is structural representation after decomposition of the present utility model.
Embodiment
Below in conjunction with embodiment, the utility model and beneficial effect thereof are described in further detail, but execution mode of the present utility model is not limited to this.
Embodiment 1
As depicted in figs. 1 and 2, the present embodiment 1 comprises stators and rotators, and described stator comprises brush 11, metal cylinder 121, metal end 122 and is fixed to the permanent magnet 13 of this metal cylinder 121 inwall; Described rotor comprises rotating shaft 21, be fixed to the rotor core 22 of this rotating shaft 21, be fixed to this rotating shaft 21 and and the commutator 23 of this brush 11 sliding contact, be fixed to rotating shaft 21 and cooling fan 24 between rotor core 22 and commutator 23, be fixed on the first Windmill stand 25 and the second Windmill stand 26 of rotor core 22 rear and front end, and be wound to this first Windmill stand 25, rotor core 22 and the second Windmill stand 26 and be electrically connected to the coil 27 of this commutator 23; The thickness of described permanent magnet 13 is 4.6mm, and the diameter of described rotor core 22 is 29.4mm; Described brush 11 one end is connected to glue lid 16 by spring 15, and described brush 11 other end elasticity is pressed on commutator 23, and described end cap 122, by glue lid 16 connection metal cylindrical shell 121, is set with outside described metal cylinder 121 and protects magnetosphere 14.
Embodiment 2
The structure collectivity structure of the present embodiment 2 is identical with embodiment 1, and difference is, the thickness of the permanent magnet of the present embodiment 2 is 3.8mm, and the diameter of the rotor core of the present embodiment 2 is 31mm.
Embodiment 3
The structure collectivity structure of the present embodiment 3 is identical with embodiment 1, and difference is, the thickness of the permanent magnet of the present embodiment 3 is 5.4mm, and the diameter of the rotor core of the present embodiment 3 is 27.8mm.
The present embodiment 1, the present embodiment 2, the present embodiment 3 carry out power and temperature test with common electric machine, and every test data is as following table:
| Common electric machine (magnetic shoe thickness 5.5mm, rotor core diameter 27.5mm) | The present embodiment 1(magnetic shoe thickness 3.8mm, rotor core diameter 31.0mm) | The present embodiment 2(magnetic shoe thickness 4.6mm, rotor core diameter 29.4mm) | The present embodiment 3(magnetic shoe thickness 5.4mm, rotor core diameter 27.8mm) | |
| Power (W) | 20-220 | 20-240 | 20-260 | 20-240 |
| Temperature (DEG C) | 110-165 | 100-160 | 100-155 | 100-160 |
The motor of the present embodiment 1 ~ 3 is compared with existing common electric machine, the power peak of common electric machine is 220W, and the power of motor of the present embodiment 1 ~ 3 rises to 240 ~ 260W, power ascension 9% ~ 18%, the temperature peak of common electric machine is 165 DEG C, the motor temperature peak value of the present embodiment 1 ~ 3 is 155 ~ 160 DEG C, reduces 3% ~ 6% on year-on-year basis.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change above-mentioned execution mode and revise.Therefore, the utility model is not limited to embodiment disclosed and described above, also should fall in the protection range of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (6)
1. a motor, comprising:
Stator, it permanent magnet comprising brush, metal cylinder, metal end and be fixed to this metal cylinder inwall;
And the rotor be contained in this stator, it comprises rotating shaft, be fixed to the rotor core of this rotating shaft, be fixed to this rotating shaft and with the commutator of this brush sliding contact and be wound to this rotor core and be electrically connected to the coil of this commutator;
It is characterized in that: the thickness of described permanent magnet is selected within the scope of 3.8mm ~ 5.4mm, the diameter of described rotor core is selected within the scope of 27.8mm ~ 31mm.
2. motor according to claim 1, is characterized in that: also comprise cooling fan blade, described cooling fan blade is fixed to rotating shaft, between rotor core and commutator.
3. motor according to claim 1, it is characterized in that: also comprise the first Windmill stand and the second Windmill stand, described first Windmill stand and the second Windmill stand are fixed on rotor core rear and front end, on described coil winding to the first Windmill stand, rotor core and the second Windmill stand.
4. motor according to claim 1, is characterized in that: also comprise the Jiao Gai be fixed between metal cylinder and metal end, and described brush one end connects Jiao Gai by spring.
5. motor according to claim 1, is characterized in that: also comprise and protect magnetosphere, described in protect magnetosphere and be sleeved on outside described metal cylinder.
6. motor according to claim 1, is characterized in that: described permanent magnet is magnetic shoe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520431306.2U CN204761264U (en) | 2015-06-19 | 2015-06-19 | Motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520431306.2U CN204761264U (en) | 2015-06-19 | 2015-06-19 | Motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204761264U true CN204761264U (en) | 2015-11-11 |
Family
ID=54475933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520431306.2U Active CN204761264U (en) | 2015-06-19 | 2015-06-19 | Motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204761264U (en) |
-
2015
- 2015-06-19 CN CN201520431306.2U patent/CN204761264U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 523000 Guangdong province Dongguan city Fenggang town of Bamboo Village Ma Po Ao Industrial Zone Patentee after: Guangdong Jinba Intelligent Technology Co., Ltd. Address before: 523000, Guangdong Province, Fenggang Town, Dongguan village, Ma Po Tong Po Industrial Zone Patentee before: Dongguan Jinba Electrical Machinery Manufacturing Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 523000, Guangdong Province, Fenggang Town, Dongguan village, Ma Po Tong Po Industrial Zone Patentee after: Guangdong Jinba Intelligent Technology Co., Ltd. Address before: 523000 Guangdong province Dongguan city Fenggang town of Bamboo Village Ma Po Ao Industrial Zone Patentee before: Guangdong Jinba Intelligent Technology Co., Ltd. |