CN205986352U - Direct current motor and electronic tail -gate driver - Google Patents
Direct current motor and electronic tail -gate driver Download PDFInfo
- Publication number
- CN205986352U CN205986352U CN201620915092.0U CN201620915092U CN205986352U CN 205986352 U CN205986352 U CN 205986352U CN 201620915092 U CN201620915092 U CN 201620915092U CN 205986352 U CN205986352 U CN 205986352U
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- rotor
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- direct current
- current generator
- casing
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Abstract
The utility model provides a direct current motor and electronic tail -gate driver, this direct current motor carries out the optimal design through the structure of antitrochanter and stator, and messenger outer diameter of the stator and rotor effective length's ratio approaches rotor diameter and outer diameter of the stator's ratio and a number of poles by the stator, the number of poles of rotor and the value sum that the direct current motor number of pole -pairs is confirmed, can reduce direct current motor's volume and weight guaranteeing that direct current motor satisfies under the prerequisite of same working property, and the product suitability promotes.
Description
Technical field
This utility model is related to technical field of motors, more particularly, to a kind of direct current generator and electric tail gate driver.
Background technology
Direct current generator (direct current machine) is that one kind enables direct current energy and the mutual phase transformation of mechanical energy
Motor.Direct current generator both can be used as motor and also had been used as electromotor, was dc motor when it makees motor running, energy
Enough convert electrical energy into mechanical energy, be DC generator when it makees generator operation, electric energy can be converted mechanical energy into.Directly
Stream motor has the advantages that speed adjustable range is wide, speed governing is convenient, smooth speed control, has good speed adjusting performance, simultaneously direct current generator
Overload capacity is stronger, starts and the torque of braking is larger, can bear frequent impact load, realize frequently speed and open, brake and inversely
Rotation, meets the characteristic requirements of various mechanical loads.
Existing direct current generator generally includes stationary part and rotor portion, and the stationary part of direct current generator is used for producing magnetic
, and direct current generator is played with the effect that machinery is supported, and the rotor portion of direct current generator is used for induced potential, thus realizing energy
Amount conversion, stationary part generally includes casing and is fixed on magnet in casing, and magnet includes some main poles, typically by ferrum oxygen
The material such as body and rare-earth magnet makes, and rotor portion generally includes iron core and is wound in winding in rotor core, on iron core
Generally comprise polyphase windings, every phase winding all includes multiple parallel branches.
DC electrode structure design is carried out using traditional theory, when the performance of motor will meet particular requirement, or producing
The external diameter of product is very big, or length is very long, so that the overall dimensions of electrode and weight is greatly increased, this can increase products application in little
Difficulty under space and light weight environment, reduces the suitability of product.
Therefore, need a kind of New Type of Direct-current Machine badly to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of direct current generator, on the premise of ensureing service behaviour, small volume, and weight
Amount is light, and the product suitability is lifted.
Another object of the present utility model is to provide a kind of electric tail gate driver, can reduce electric tail gate driver
In direct current generator volume and weight, lifting electric tail gate driver performance.
For achieving the above object, this utility model provides a kind of direct current generator, including：Stator and be placed in described stator
Internal rotor；
Described direct current generator meets following condition：
0.9(K1+K2)≤K3≤1.1(K1+K2)；
Wherein, K1=D1/D2, D1 are the external diameter of rotor, and D2 is the external diameter of stator；
K2=(Ns+Nr-1/P)/(Ns+Nr+1/P), Ns are the number of poles of stator, and Nr is the number of poles of rotor, and P is direct current generator
Number of pole-pairs；
K3=D2/L, L are the effective length of rotor.
Described direct current generator meets：
K3=K1+K2.
Described stator includes casing and the stator magnet located at described casing inner peripheral surface；
Described rotor includes rotating shaft located at case axis, the rotor core being sheathed in described rotating shaft and located at institute
State the rotor windings in rotor core；
The two ends of described rotating shaft are placed on outside casing, and the outer peripheral face of described rotor core is provided with some rotors stretching out
Tooth, is formed with rotor recesses between two adjacent rotor tooths, described rotor windings are wound on each rotor tooth.
The material of described stator magnet is ferrite or rare-earth magnet.
Described stator includes casing, the stator core located at described casing inner peripheral surface and in described stator core
Stator winding；
Described stator core inner peripheral surface is provided with some stator tooths extending internally, and is formed between two adjacent stator tooths
Stator groove, described stator winding is wound on stator tooth；
Described rotor includes located at the rotating shaft of case axis and is sheathed on rotor magnet in described rotating shaft, described rotating shaft
Two ends be placed on outside casing.
The material of described rotor magnet is ferrite or rare-earth magnet.
Described rotor also includes the diverter being sheathed in described rotating shaft.
Also include：Away from one end of described diverter and it is fixedly connected the clutch shaft bearing of casing, fixation located at described rotating shaft
Be connected to the carbon brush system component that described casing contacts away from clutch shaft bearing one end and with the outer peripheral face of described diverter, located at institute
State the rotating shaft other end and be fixedly connected the second bearing of carbon brush system component, located at carbon brush system component away from casing side and set
Signal feedback circuit assembly in described rotating shaft, and it is sheathed on away from casing side located at described signal feedback circuit assembly
Magneticss in described rotating shaft and away from casing side and coat described signal feedback located at described signal feedback circuit assembly
Circuit unit and the protection cap of magneticss.
This utility model also provides a kind of electric tail gate driver, including above-mentioned direct current generator.
The beneficial effects of the utility model：A kind of direct current generator that this utility model provides, by rotor and stator
Structure is optimized design, makes the ratio of the ratio of stator outer diameter and rotor effective length close to rotor diameter and stator outer diameter
The value sum being determined by the number of poles of stator, the number of poles of rotor and direct current generator number of pole-pairs with one, can ensure direct current generator
On the premise of meeting same service behaviour, reduce volume and the weight of direct current generator, the product suitability is lifted.This utility model
A kind of electric tail gate driver providing, including above-mentioned direct current generator, it has the direct current generator small volume of employing, lightweight
Advantage.
Brief description
In order to be able to be further understood that feature of the present utility model and technology contents, refer to new below in connection with this practicality
The detailed description of type and accompanying drawing, but accompanying drawing only provides and uses with reference to explanation, is not used for this utility model is any limitation as.
In accompanying drawing,
Fig. 1 is the decomposition texture schematic diagram of direct current generator of the present utility model；
Fig. 2 is the cross section structure diagram of the first embodiment of direct current generator of the present utility model；
Fig. 3 is the rotor of the first embodiment of direct current generator of the present utility model and the structural representation of stator；
Fig. 4 is the cross section structure diagram of the second embodiment of direct current generator of the present utility model；
Fig. 5 is the rotor of the second embodiment of direct current generator of the present utility model and the structural representation of stator.
Specific embodiment
For further illustrating the technological means and its effect that this utility model taken, below in conjunction with of the present utility model
Preferred embodiment and its accompanying drawing are described in detail.
Refer to Fig. 1 and Fig. 2, this utility model provides a kind of direct current generator, including：Stator 1 and be placed in described stator
Internal rotor 2；
Described direct current generator meets following condition：
0.9(K1+K2)≤K3≤1.1(K1+K2)；
Wherein, K1=D1/D2, D1 are the external diameter of rotor 2, and D2 is the external diameter of stator 1；
K2=(Ns+Nr-1/P)/(Ns+Nr+1/P), Ns are the number of poles of stator 1, and Nr is the number of poles of rotor 2, and P is unidirectional current
The number of pole-pairs of machine；
K3=D2/L, L are the effective length of rotor.
Refer to Fig. 2 and combine Fig. 3, in first embodiment of the present utility model, described stator 1 include casing 11 and
Stator magnet 12 located at described casing 11 inner peripheral surface；
Described rotor 2 include rotating shaft 21 located at casing 11 axle center, the rotor core 22 being sheathed in described rotating shaft 21, with
And the rotor windings 23 in described rotor core 22；
The two ends of described rotating shaft 21 are placed on outside casing 11, and the outer peripheral face of described rotor core 22 is provided with and some stretches out
Rotor tooth 222, be formed with rotor recesses 221 between two adjacent rotor tooths 222, described rotor windings 23 are wound in each
On rotor tooth 222.
Specifically, refer to Fig. 2, described rotor 2 also includes the diverter 24 being sheathed in described rotating shaft 21.
Specifically, refer to Fig. 2, described direct current generator is also included located at described rotating shaft 21 away from the one of described diverter 24
End and be fixedly connected casing 11 clutch shaft bearing 31, be fixedly connected on described casing 11 away from clutch shaft bearing 31 one end and with described
The carbon brush system component 4 of outer peripheral face contact of diverter 24, located at described rotating shaft 21 other end and be fixedly connected carbon brush system group
The second bearing 32 of part 4, located at carbon brush system component 4 away from casing 11 side and be sheathed in described rotating shaft 21 signal feedback
Circuit unit 5, located at described signal feedback circuit assembly 5 away from casing 11 side and be sheathed in described rotating shaft 21 magnetic unit
Part 6 and away from casing 11 side and coat described signal feedback circuit assembly 5 and magnetic located at described signal feedback circuit assembly 5
The protection cap 7 of property element 6.
Preferably, described direct current generator meets：K3=K1+K2.
Specifically, described direct current generator also can meet：0.9 (K1+K2)≤K3 ＜ K1+K2.
It is noted that when the remanent flux density of the stator magnet 12 of described direct current generator increases or rotor core 22
When iron loss and eddy-current loss reduce, described direct current generator also can meet：K1+K2 ＜ K3≤1.1 (K1+K2).
Specifically, the material of described stator magnet 12 is the permanent magnet material such as ferrite or rare-earth magnet.
Above-mentioned direct current generator, by being optimized design to the structure of rotor 2 and stator 1, makes stator 1 external diameter and rotor 2 have
The ratio of external diameter close to external diameter and the stator 1 of rotor 2 for the ratio of effect length and one by the number of poles of stator 1, rotor 2 pole
Number and the value sum of direct current generator number of pole-pairs determination, direct current generator can be made to meet same service behaviour on the premise of, body
The like product volume reduction 40% of long-pending ratio, weight reduces 26%, can greatly promote the adaptability of product.
Specifically, with rotating speed as 6500rpm, as a example moment of torsion is the direct current generator of 300mN m, reached using prior art
Above-mentioned performance, needs the casing external diameter arranging this direct current generator to be at least up to 30mm, length is at least up to 53mm, and utilizes basis
The technical scheme of the application is optimized to it, in the condition of its satisfaction 0.9 (K1+K2)≤K3≤1.1 (K1+K2), direct current
Motor case length can reduce to 38mm, and equally can reach rotating speed for 6500rpm, and moment of torsion is that the performance of 300mN m will
Ask, greatly reduce small product size and weight, improve the adaptability of product.
It is understood that the scope of application of the present utility model be not limited to stator be permanent magnet, rotor be winding straight
Stream motor, its to stator be winding, rotor be permanent magnet direct current generator equally applicable, for example, refer to Fig. 4 and Fig. 5, this
In the second embodiment of the direct current generator of utility model, described stator 1 includes casing 11, determining located at described casing 11 inner peripheral surface
Son unshakable in one's determination 12 ' and the stator winding 13 ' in described stator core 12 '；Described stator core 12 ' inner peripheral surface is provided with some
The stator tooth 122 ' extending internally, is formed with stator groove 121 ' between two adjacent stator tooths 122 ', described stator winding
13 ' are wound on stator tooth 122 '；Described rotor 2 includes the rotating shaft 21 located at casing 11 axle center and is sheathed on described rotating shaft 21
On rotor magnet 22 ', the two ends of described rotating shaft 21 are placed on outside casing 11.Preferably, the material of described rotor magnet 22 ' is
The permanent magnet material such as ferrite or rare-earth magnet.In addition it is adaptable to the technical characteristic of first embodiment, also all equally applicable
In second embodiment, here is omitted.
Based on above-mentioned direct current generator, this utility model also provides a kind of electric tail gate driver, including above-mentioned unidirectional current
Machine, can reduce the volume and weight of the direct current generator in electric tail gate driver, the performance of lifting electric tail gate driver.?
This no longer repeats to the structure of direct current generator.
In sum, direct current generator of the present utility model, by being optimized design to the structure of rotor and stator, it is fixed to make
The ratio of sub- external diameter and rotor effective length is close to the ratio of rotor diameter and stator outer diameter and one by the number of poles of stator, rotor
Number of poles and direct current generator number of pole-pairs determine value sum, same service behaviour can be met ensureing direct current generator
Under the premise of, reduce volume and the weight of direct current generator, the product suitability is lifted.Electric tail gate driver of the present utility model, bag
Include above-mentioned direct current generator, it has the direct current generator small volume of employing, lightweight advantage.
The above, for the person of ordinary skill of the art, can according to the technical solution of the utility model and
Technology design is made other various corresponding changes and is deformed, and all these change and deformation all should belong to this utility model power
The protection domain that profit requires.
Claims (9)
1. a kind of direct current generator is it is characterised in that include：Stator (1) and the rotor (2) being placed in described stator (1) inside；
Described direct current generator meets following condition：
0.9(K1+K2)≤K3≤1.1 (K1+K2)；
Wherein, K1=D1/D2, D1 are the external diameter of rotor (2), and D2 is the external diameter of stator (1)；
K2=(Ns+Nr-1/P)/(Ns+Nr+1/P), Ns are the number of poles of stator (1), and Nr is the number of poles of rotor (2), and P is unidirectional current
The number of pole-pairs of machine；
K3=D2/L, L are the effective length of rotor (2).
2. direct current generator as claimed in claim 1 is it is characterised in that described direct current generator meets：
K3=K1+K2.
3. direct current generator as claimed in claim 1 is it is characterised in that described stator (1) includes casing (11) and located at described
The stator magnet (12) of casing (11) inner peripheral surface；
Described rotor (2) includes rotating shaft (21) located at casing (11) axle center, the rotor core being sheathed in described rotating shaft (21)
(22) rotor windings (23) and in described rotor core (22)；
The two ends of described rotating shaft (21) are placed on casing (11) outward, the outer peripheral face of described rotor core (22) be provided with some to extension
The rotor tooth (222) stretched, is formed with rotor recesses (221), described rotor windings (23) between two adjacent rotor tooths (222)
It is wound on each rotor tooth (222).
4. direct current generator as claimed in claim 3 is it is characterised in that the material of described stator magnet (12) is ferrite or dilute
Native magnet.
5. direct current generator as claimed in claim 1 is it is characterised in that described stator (1) includes casing (11), located at described machine
The stator core (12 ') of shell (11) inner peripheral surface and the stator winding (13 ') on described stator core (12 ')；
Described stator core (12 ') inner peripheral surface is provided with some stator tooths (122 ') extending internally, adjacent two stator tooths
It is formed with stator groove (121 '), described stator winding (13 ') is wound on stator tooth (122 ') between (122 ')；
Described rotor (2) includes the rotating shaft (21) located at casing (11) axle center and is sheathed on the rotor magnetic in described rotating shaft (21)
Body (22 '), the two ends of described rotating shaft (21) are placed on casing (11) outward.
6. direct current generator as claimed in claim 5 it is characterised in that described rotor magnet (22 ') material be ferrite or
Rare-earth magnet.
7. the direct current generator as described in claim 3 or 5 is it is characterised in that described rotor (2) also includes being sheathed on described rotating shaft
(21) diverter (24) on.
8. direct current generator as claimed in claim 7 is it is characterised in that also include：Change away from described located at described rotating shaft (21)
To one end of device (24) and be fixedly connected the clutch shaft bearing (31) of casing (11), be fixedly connected on described casing (11) away from first
Bearing (31) one end and contact with the outer peripheral face (24) of described diverter carbon brush system component (4), located at described rotating shaft (21)
The other end and be fixedly connected the second bearing (32) of carbon brush system component (4), located at carbon brush system component (4) away from casing (11)
Side and be sheathed on signal feedback circuit assembly (5) in described rotating shaft (21), remote located at described signal feedback circuit assembly (5)
Disembark shell (11) side and the magneticss (6) that are sheathed in described rotating shaft (21) and located at described signal feedback circuit assembly
(5) away from casing (11) side and coat the protection cap (7) of described signal feedback circuit assembly (5) and magneticss (6).
9. a kind of electric tail gate driver is it is characterised in that include direct current generator as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620915092.0U CN205986352U (en) | 2016-08-19 | 2016-08-19 | Direct current motor and electronic tail -gate driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620915092.0U CN205986352U (en) | 2016-08-19 | 2016-08-19 | Direct current motor and electronic tail -gate driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205986352U true CN205986352U (en) | 2017-02-22 |
Family
ID=58032562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620915092.0U Withdrawn - After Issue CN205986352U (en) | 2016-08-19 | 2016-08-19 | Direct current motor and electronic tail -gate driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205986352U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253502A (en) * | 2016-08-19 | 2016-12-21 | 深圳市德立威汽车部件有限公司 | Direct current generator and electric tail gate driver |
| CN110752681A (en) * | 2018-12-08 | 2020-02-04 | 韦翔 | U-shaped pole permanent magnet motor |
-
2016
- 2016-08-19 CN CN201620915092.0U patent/CN205986352U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253502A (en) * | 2016-08-19 | 2016-12-21 | 深圳市德立威汽车部件有限公司 | Direct current generator and electric tail gate driver |
| CN110752681A (en) * | 2018-12-08 | 2020-02-04 | 韦翔 | U-shaped pole permanent magnet motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170222 Effective date of abandoning: 20181019 |