CN209448594U - A kind of protective device of the DC brushless motor of no Hall sensor - Google Patents
A kind of protective device of the DC brushless motor of no Hall sensor Download PDFInfo
- Publication number
- CN209448594U CN209448594U CN201822216430.3U CN201822216430U CN209448594U CN 209448594 U CN209448594 U CN 209448594U CN 201822216430 U CN201822216430 U CN 201822216430U CN 209448594 U CN209448594 U CN 209448594U
- Authority
- CN
- China
- Prior art keywords
- water jacket
- hall sensor
- brushless motor
- protective device
- electric machine
- 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
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- 238000001816 cooling Methods 0.000 claims abstract description 41
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims abstract description 7
- 238000003491 array Methods 0.000 claims abstract description 4
- 241000883990 Flabellum Species 0.000 claims description 19
- 230000001050 lubricating effect Effects 0.000 claims description 15
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 13
- 238000005461 lubrication Methods 0.000 claims description 9
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 5
- 239000003921 oil Substances 0.000 description 17
- 238000009434 installation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model provides a kind of protective device of the DC brushless motor of no Hall sensor.The protective device of the DC brushless motor of the no Hall sensor includes electric machine structure；Radiator structure, the radiator structure is connected to the outside of the electric machine structure, the radiator structure includes water jacket, cooling fin, fixing sleeve and water storehouse, the water jacket of the cylindrical structure of boring is socketed in the outside of the electric machine structure, the water storehouse be set to the water jacket inside, the cooling fin be equipped with it is multiple, multiple cooling fin circular arrays are distributed in the outside of the water jacket, and the cooling fin is serpentine structure, the fixing sleeve is set to the outside of the cooling fin；Air feed structure, the air feed structure are set to one end of the electric machine structure.The protective device of the DC brushless motor of no Hall sensor provided by the utility model has the advantages that thermal diffusivity is good.
Description
Technical field
The utility model relates to technical field of motors more particularly to a kind of guarantors of the DC brushless motor of no Hall sensor
Protection unit.
Background technique
No Hall sensor DC brushless motor is made of motor body and driver, is a kind of typical electromechanical
Change product.Brushless motor refers to the motor of brushless and commutator (or collector ring), also known as commutatorless machine.It records early in 19
When birth motor, the practicability motor of generation is exactly brushless form, i.e. mouse cage AC formula asynchronous motor, this motor
It is widely used.But there are many defects that can not be overcome for asynchronous motor, so that motor technology develops slowly.On
Middle of century has been born transistor, thus replaces the DC brushless motor of brush and commutator just to answer using transistor commutating circuit
It transports and life.This novel brushless motor is known as electronically commutated direct current generator, it overcomes the defect of first generation brushless motor.
However the DC brushless motor of traditional no Hall sensor is in use, often will appear motor itself mistake
Heat, the case where causing motor damage.
Therefore, it is necessary to which the protective device for providing a kind of new DC brushless motor without Hall sensor solves above-mentioned skill
Art problem.
Utility model content
The technical issues of the utility model solves is to provide a kind of brush DC electricity of good no Hall sensor of thermal diffusivity
The protective device of machine.
In order to solve the above technical problems, the protection of the DC brushless motor of no Hall sensor provided by the utility model fills
Setting includes: electric machine structure；Radiator structure, the radiator structure are connected to the outside of the electric machine structure, the radiator structure packet
Water jacket, cooling fin, fixing sleeve and water storehouse are included, the water jacket of the cylindrical structure of boring is socketed in the electric machine structure
Outside, the water storehouse is set to the inside of the water jacket, and the cooling fin is equipped with multiple, multiple cooling fins battle array in a ring
Column distribution is in the outside of the water jacket, and the cooling fin is serpentine structure, and the fixing sleeve is set to the outer of the cooling fin
Portion；Air feed structure, the air feed structure are set to one end of the electric machine structure.
Preferably, the electric machine structure includes motor housing and main shaft, and the motor housing is set to the inside of the water jacket,
The main axis is connected to the inside of the motor housing.
Preferably, the air feed structure includes protective shell and flabellum, and the flabellum is equipped with multiple, and multiple flabellums are in ring
Shape array distribution is in the outside of the main shaft, and the protective shell is fixed on one end of the fixing sleeve, and the protective shell is leakage
Bucket-shaped structure.
Preferably, the water jacket is connected and fixed structure away from one end of the protective shell, and the fixed structure includes limit
Set and tie down screw, the limit sleeve be set to the water jacket deviate from the protective shell one end, the tie down screw be equipped with it is multiple,
Multiple tie down screw circular array distributions, and the tie down screw through the limit sleeve and extends to the water jacket
It is internal.
Preferably, the motor housing includes profit away from the fixed lubrication system in one end of the flabellum, the lubrication system
Sliding sleeve, oil inlet and oil storage cabin, the lubricating sleeve are fixed on one end that the motor housing deviates from the flabellum, the oil inlet
Set on one end of the lubricating sleeve, the oil storage cabin is set to the inside of the lubricating sleeve.
Preferably, the outer dia of the lubricating sleeve is less than the outer dia of the motor housing, and the oil storage cabin is cut
Face is funnel-shaped structure.
Preferably, the bottom end of the fixing sleeve is connected with mounting structure, and the mounting structure includes attachment base, pedestal and peace
Hole is filled, the attachment base is removably connected to the outside of the fixing sleeve, and the pedestal, which is fixedly connected on the attachment base, to deviate from
One end of the fixing sleeve, the mounting hole are set to the pedestal.
Compared with the relevant technologies, the protective device of the DC brushless motor of no Hall sensor provided by the utility model
It has the following beneficial effects:
The utility model provides a kind of protective device of the DC brushless motor of no Hall sensor, in the electric machine structure
Outside be socketed with the water jacket, the taking-up and installation of the electric machine structure can be facilitated, the inside of the water jacket be equipped with use
Preliminary cooling can be carried out, in institute to the electric machine structure by the setting of the water storehouse in the water storehouse of water storage
Multiple cooling fins are distributed in the external circular array for stating water jacket, can be to the water by the setting of the cooling fin
Water inside set is cooled down, and the cooling fin is serpentine structure, is capable of increasing the contact surface of the cooling fin and air
Product, in the external fixed fixing sleeve of the cooling fin, plays the role of protection to reach better heat dissipation effect,
One end of the fixing sleeve is connected with the air feed structure, by the setting of the air feed structure, can to the cooling fin into
The further radiating treatment of row, keeps the water jacket higher to the thermal diffusivity of the electric machine structure, motor can be effectively prevent because of height
The case where temperature damage, reach the service life for extending motor.
Detailed description of the invention
Fig. 1 is a kind of preferable reality of the protective device of the DC brushless motor of no Hall sensor provided by the utility model
Apply the structural schematic diagram of example；
Fig. 2 is the portion A shown in FIG. 1 enlarged diagram；
Fig. 3 is the attachment structure schematic diagram of electric machine structure shown in FIG. 1 and radiator structure.
Figure label: 1, electric machine structure, 11, motor housing, 12, main shaft, 2, radiator structure, 21, water jacket, 22, cooling fin,
23, fixing sleeve, 24, water storehouse, 3, fixed structure, 31, limit sleeve, 32, tie down screw, 4, lubrication system, 41, lubricating sleeve, 42,
Oil inlet, 43, oil storage cabin, 5, mounting structure, 51, attachment base, 52, pedestal, 53, mounting hole, 6, air feed structure, 61, protective shell,
62, flabellum.
Specific embodiment
The utility model is described in further detail with embodiment with reference to the accompanying drawing.
Please refer to Fig. 1, Fig. 2 and Fig. 3, wherein Fig. 1 be no Hall sensor provided by the utility model direct current without
A kind of structural schematic diagram of preferred embodiment of the protective device of brush motor；Fig. 2 is the portion A shown in FIG. 1 enlarged diagram；Fig. 3
For the attachment structure schematic diagram of electric machine structure shown in FIG. 1 and radiator structure.The guarantor of DC brushless motor without Hall sensor
Protection unit includes: electric machine structure 1；Radiator structure 2, the radiator structure 2 is connected to the outside of the electric machine structure 1, described to dissipate
Heat structure 2 includes water jacket 21, cooling fin 22, fixing sleeve 23 and water storehouse 24, the water jacket of the cylindrical structure of boring
21 are socketed in the outside of the electric machine structure 1, and the water storehouse 24 is set to the inside of the water jacket 21, and the cooling fin 22 is equipped with
Multiple, multiple 22 circular arrays of cooling fin are distributed in the outside of the water jacket 21, and the cooling fin 22 is serpentine knot
Structure, the fixing sleeve 23 are set to the outside of the cooling fin 22；Air feed structure 6, the air feed structure 6 are set to the electric machine structure
1 one end.
The electric machine structure 1 includes motor housing 11 and main shaft 12, and the motor housing 11 is set to the interior of the water jacket 21
Portion, the main shaft 12 are rotationally connected with the inside of the motor housing 11, in order to guarantee the integrality of motor.
The air feed structure 6 include protective shell 61 and flabellum 62, the flabellum 62 be equipped with it is multiple, multiple flabellums 62 are in
Annular array is distributed in the outside of the main shaft 12, and the protective shell 61 is fixed on one end of the fixing sleeve 23, and the guarantor
Protective case 61 is that funnel-shaped structure can carry out at further heat dissipation the cooling fin 22 by the setting of the flabellum 62
Reason, keeps the water jacket 21 higher to the thermal diffusivity of motor, can effectively prevent the case where motor is because of high temperature damage, reach extension electricity
The service life of machine.
The water jacket 21 is connected and fixed structure 3 away from one end of the protective shell 61, and the fixed structure 3 includes limit sleeve
31 and tie down screw 32, the limit sleeve 31 is set to one end that the water jacket 21 deviates from the protective shell 61, the tie down screw
32 are equipped with multiple, multiple 32 circular array of tie down screw distributions, and the tie down screw 32 runs through the limit sleeve 31
And the inside of the water jacket 21 is extended to, by the setting of the limit sleeve 31, the motor housing 11 can be locked
It is fixed.
The motor housing 11 includes lubrication away from the fixed lubrication system 4 in one end of the flabellum 62, the lubrication system 4
Set 41, oil inlet 42 and oil storage cabin 43, the lubricating sleeve 41 are fixed on one end that the motor housing 11 deviates from the flabellum 62,
The oil inlet 42 is set to one end of the lubricating sleeve 41, and the oil storage cabin 43 is set to the inside of the lubricating sleeve 41, passes through institute
The setting of oil storage cabin 43 is stated, the main shaft 12 can be lubricated, prevents the main shaft 12 from corroding, and the main shaft can be made
12 rotate more smooth.
The outer dia of the lubricating sleeve 41 is less than the outer dia of the motor housing 11, the section of the oil storage cabin 43
For funnel-shaped structure, it is funnel-shaped structure by the section of the oil storage cabin 43, can guarantees the profit inside the oil storage cabin 43
Lubricating oil will not be omitted too fast.
The bottom end of the fixing sleeve 23 is connected with mounting structure 5, and the mounting structure 5 includes attachment base 51,52 and of pedestal
Mounting hole 53, the attachment base 51 are removably connected to the outside of the fixing sleeve 23, and the pedestal 52 is fixedly connected on described
Attachment base 51 deviates from one end of the fixing sleeve 23, and the mounting hole 53 is set to the pedestal 52, passes through 51 He of attachment base
The fixing sleeve 23 is detachably connected, and can be conveniently applicable in different installation sites, be facilitated the installation of motor.
The working principle of the protective device of the DC brushless motor of no Hall sensor provided by the utility model is as follows:
When in use, the pedestal 52 is mounted on drive position first, in the fixed company in the top of the pedestal 52
Joint chair 51 is removably connected with the fixing sleeve 23 away from one end of the pedestal 52 in the attachment base 51, passes through the company
Being detachably connected for joint chair 51 and the fixing sleeve 23, can conveniently be applicable in different installation sites, facilitate the installation of motor,
The outside of the motor housing 11 is socketed with the water jacket 21, can facilitate the taking-up and installation of the motor housing 11, in institute
The inside for stating water jacket 21 is equipped with the water storehouse 24 for water storage, by the setting of the water storehouse 24, can to motor into
The preliminary cooling of row, is distributed with multiple cooling fins 22 in the external circular array of the water jacket 21, passes through the heat dissipation
The setting of piece 22 can cool down the water inside the water jacket 21, and the cooling fin 22 is serpentine structure, Neng Gouzeng
The contact area of the big cooling fin 22 and air, thus reach better heat dissipation effect, it is solid in the outside of the cooling fin 22
The fixed fixing sleeve 23, plays the role of protection, the protective shell 61 is connected in one end of the fixing sleeve 23, in the guarantor
The inside of protective case 61,62 circular array of flabellum are distributed in the outside of the main shaft 12, by the setting of the flabellum 62,
Further radiating treatment can be carried out to the cooling fin 22, keep the water jacket 21 higher to the thermal diffusivity of motor, Neng Gouyou
Effect prevents the case where motor is because of high temperature damage, reaches the service life for extending motor, passes through in one end of the water jacket 21 described
Tie down screw 32 is fixed with the limit sleeve 31, by the setting of the limit sleeve 31, can carry out the motor housing 11
Limit is fixed, and prevents the motor housing 11 from skidding off the water jacket 21, in the fixed lubrication in one end of the motor housing 11
Set 41, being equipped with the oil storage cabin 43 in the inside of the lubricating sleeve 41 can be to the master by the setting of the oil storage cabin 43
Axis 12 is lubricated, and prevents the main shaft 12 from corroding, and the main shaft 12 can be made to rotate more smooth.
Compared with the relevant technologies, the protective device of the DC brushless motor of no Hall sensor provided by the utility model
It has the following beneficial effects:
The utility model provides a kind of protective device of the DC brushless motor of no Hall sensor, in the electric machine structure
1 outside is socketed with the water jacket 21, can facilitate the taking-up and installation of the electric machine structure 1, in the inside of the water jacket 21
The electric machine structure 1 can be carried out tentatively equipped with the water storehouse 24 for water storage by the setting of the water storehouse 24
Cooling, multiple cooling fins 22 are distributed in the external circular array of the water jacket 21, pass through the cooling fin 22
Setting, can cool down the water inside the water jacket 21, and the cooling fin 22 is serpentine structure, be capable of increasing described
The contact area of cooling fin 22 and air, to reach better heat dissipation effect, described in the external fixation of the cooling fin 22
Fixing sleeve 23, plays the role of protection, is connected with the air feed structure 6 in one end of the fixing sleeve 23, passes through the air feed
The setting of structure 6 can carry out further radiating treatment to the cooling fin 22, make the water jacket 21 to the electric machine structure
1 thermal diffusivity is higher, can effectively prevent the case where motor is because of high temperature damage, reach the service life for extending motor.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other relevant technical fields, are also included in the patent protection scope of the utility model.
Claims (7)
1. a kind of protective device of the DC brushless motor of no Hall sensor characterized by comprising
Electric machine structure；
Radiator structure, the radiator structure are connected to the outside of the electric machine structure, and the radiator structure includes water jacket, heat dissipation
Piece, fixing sleeve and water storehouse, the water jacket of the cylindrical structure of boring is socketed in the outside of the electric machine structure, described
Water storehouse be set to the water jacket inside, the cooling fin be equipped with it is multiple, multiple cooling fin circular arrays are distributed in institute
The outside of water jacket is stated, and the cooling fin is serpentine structure, the fixing sleeve is set to the outside of the cooling fin；
Air feed structure, the air feed structure are set to one end of the electric machine structure.
2. the protective device of the DC brushless motor of no Hall sensor according to claim 1, which is characterized in that described
Electric machine structure includes motor housing and main shaft, and the motor housing is set to the inside of the water jacket, and the main axis is connected to
The inside of the motor housing.
3. the protective device of the DC brushless motor of no Hall sensor according to claim 2, which is characterized in that described
Air feed structure includes protective shell and flabellum, and the flabellum is equipped with multiple, and multiple flabellum circular arrays are distributed in the master
The outside of axis, the protective shell is fixed on one end of the fixing sleeve, and the protective shell is funnel-shaped structure.
4. the protective device of the DC brushless motor of no Hall sensor according to claim 3, which is characterized in that described
Water jacket is connected and fixed structure away from one end of the protective shell, and the fixed structure includes limit sleeve and tie down screw, the limit
Position be sheathed on the water jacket deviate from the protective shell one end, the tie down screw be equipped with it is multiple, multiple tie down screws are in
Annular array distribution, and the tie down screw runs through the limit sleeve and extends to the inside of the water jacket.
5. the protective device of the DC brushless motor of no Hall sensor according to claim 3, which is characterized in that described
For motor housing away from the fixed lubrication system in one end of the flabellum, the lubrication system includes lubricating sleeve, oil inlet and oil storage cabin,
The lubricating sleeve is fixed on one end that the motor housing deviates from the flabellum, and the oil inlet is set to the one of the lubricating sleeve
End, the oil storage cabin are set to the inside of the lubricating sleeve.
6. the protective device of the DC brushless motor of no Hall sensor according to claim 5, which is characterized in that described
The outer dia of lubricating sleeve is less than the outer dia of the motor housing, and the section of the oil storage cabin is funnel-shaped structure.
7. the protective device of the DC brushless motor of no Hall sensor according to claim 1, which is characterized in that described
The bottom end of fixing sleeve is connected with mounting structure, and the mounting structure includes attachment base, pedestal and mounting hole, and the attachment base is removable
The outside for being connected to the fixing sleeve is unloaded, the pedestal is fixedly connected on one end that the attachment base deviates from the fixing sleeve, institute
Mounting hole is stated set on the pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822216430.3U CN209448594U (en) | 2018-12-27 | 2018-12-27 | A kind of protective device of the DC brushless motor of no Hall sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822216430.3U CN209448594U (en) | 2018-12-27 | 2018-12-27 | A kind of protective device of the DC brushless motor of no Hall sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209448594U true CN209448594U (en) | 2019-09-27 |
Family
ID=68016430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822216430.3U Expired - Fee Related CN209448594U (en) | 2018-12-27 | 2018-12-27 | A kind of protective device of the DC brushless motor of no Hall sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209448594U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115483796A (en) * | 2022-10-29 | 2022-12-16 | 梁小旗 | New energy automobile motor |
| CN117829030A (en) * | 2024-01-24 | 2024-04-05 | 哈尔滨理工大学 | Method for reducing thermal error of electric spindle and cooling water flow rate by using super-hydrophobic structure |
-
2018
- 2018-12-27 CN CN201822216430.3U patent/CN209448594U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115483796A (en) * | 2022-10-29 | 2022-12-16 | 梁小旗 | New energy automobile motor |
| CN117829030A (en) * | 2024-01-24 | 2024-04-05 | 哈尔滨理工大学 | Method for reducing thermal error of electric spindle and cooling water flow rate by using super-hydrophobic structure |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190927 |