CN205986515U - Heat protection brushless motor - Google Patents
Heat protection brushless motor Download PDFInfo
- Publication number
- CN205986515U CN205986515U CN201621016027.0U CN201621016027U CN205986515U CN 205986515 U CN205986515 U CN 205986515U CN 201621016027 U CN201621016027 U CN 201621016027U CN 205986515 U CN205986515 U CN 205986515U
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- China
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- electric machine
- rotating shaft
- brushless electric
- thermal protection
- machine according
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Abstract
The utility model belongs to the technical field of the motor technique and specifically relates to a heat protection brushless motor, including pivot, cover establish in the pivot and with pivot fixed connection's rotor assembly, cover on the rotor assembly and with rotor assembly swivelling joint's stator assembly, casing and hall board subassembly, the stator assembly includes stator core and stator winding, circumference evenly is equipped with two at least temperature protectors in the stator winding, evenly is equipped with two at least temperature protectors through circumference in stator winding, sets up the temperature protector inside stator winding, detects and more prepares, and set up the temperature protector more than two, and the scope of detection is bigger, and the protection effect is better.
Description
Technical field
This utility model is related to technical field of motors, especially a kind of Thermal protection brushless electric machine.
Background technology
Motor, as a kind of driving equipment converting electrical energy into kinetic energy, is widely used in industry-by-industry every field, is
Prevent that motor operating temperature is too high to be caused to damage, general brushless electric machine all adopt directly setting Thermal protection on the winding of motor
Device, this mode is arranged on winding surface due to thermal protector, the temperature of the machine winding detecting and real electrical machinery winding
Temperature there is error, lead to detection do not prepare it is easy to cause the long-time hot operation of motor to lead to burn out, and due to protection
Device detects for point type, and the scope of detection is little.
Utility model content
The technical problems to be solved in the utility model is：In order to solve the motor that existing brushless electric machine thermal protector detects
The temperature of the temperature of winding and real electrical machinery winding there is error and detection range is little, and this utility model provides one
Plant Thermal protection brushless electric machine, by being uniformly provided with least two temperature protectors in stator winding inner circumferential, by temperature protector
It is arranged on inside stator winding, detection more prepares, and plural temperature protector is set, the scope of detection is bigger, protection
Effect is more preferable.
This utility model solves its technical problem and be employed technical scheme comprise that：A kind of Thermal protection brushless electric machine, including turn
Axle, the rotor assembly being set in rotating shaft and being fixedly connected with rotating shaft, it is enclosed within rotor assembly and is rotatably connected with rotor assembly
Field frame assembly, casing and Hall board component, described field frame assembly includes stator core and stator winding, in described stator winding
Circumference is uniformly provided with least two temperature protectors.
Specifically, described temperature protector is closed type temperature protector, connects between wherein each temperature protector, as long as
The temperature of one of temperature protector detection reaches the cut off value of temperature protector, will disconnect power supply circuits, stop to electricity
Machine is powered, and can reduce the lead-out wire of line outlet.
Wherein said temperature protector is 3,4,5 or 6 it is ensured that detection range is bigger, detection is more accurate.
Specifically, described rotor assembly includes rotor core and is set in cylindrical permanent-magnet body on rotor core, described turn
Sub- iron core is set in rotating shaft and is fixedly connected with rotating shaft, and described permanent magnet is hot pressing neodymium iron boron.
Preferably, described casing includes drive end bearing bracket, housing and rear end cap, described rotating shaft pass through bearing respectively with drive end bearing bracket
Rotate with rear end cap and connect.
Wherein said rear end cap is provided with the fixing blind hole of fixing bearing, and described fixing blind via bottom is provided with corrugated gasket,
Prevent rotating shaft from axial displacement occurring.
Preferably, described Hall board component includes magnet ring, circuit board and Hall element, described magnet ring is set in rotating shaft
On, described circuit board is fixedly connected on rear end cap, and described Hall element connects on circuit boards, the magnetic field that described magnet ring produces
Pass perpendicularly through Hall element, the angular displacement that detection motor rotates.
Wherein said housing is provided with line outlet, and described line outlet is provided with wire bushing, protects lead-out wire, prevents lead-out wire
Long-time contact with housing is damaged.
The beneficial effects of the utility model are：This utility model provides a kind of Thermal protection brushless electric machine, can be accurate
Check the temperature in machine winding, disconnect power supply when temperature exceedes the cut off value of temperature protector, protect motor, prevent
Only motor damages, and the multiple temperature protectors of setting can carry out many point protections to machine winding, as long as some temperature are too high, supplies
Power supply will disconnect so that protecting more accurately, protection is higher, and the scope of protection motor is bigger.
Brief description
With reference to the accompanying drawings and examples this utility model is further illustrated.
Fig. 1 is a kind of structural representation of Thermal protection brushless electric machine of the present utility model；
In figure：1. rotating shaft；2. stator core；3. stator winding；4. temperature protector；5. rotor core；6. protect
Line set；7. permanent magnet；8. drive end bearing bracket；9. housing；10. rear end cap；11. corrugated gaskets；12. magnet rings；13. circuit boards；
14. Hall elements.
Specific embodiment
Presently in connection with accompanying drawing, this utility model is described in further detail.These accompanying drawings are the schematic diagram of simplification,
Basic structure of the present utility model is only described in a schematic way, therefore it only shows the composition relevant with this utility model.
As shown in figure 1, a kind of Thermal protection brushless electric machine, including rotating shaft 1, it is set in rotating shaft 1 and is fixedly connected with rotating shaft 1
Rotor assembly, the field frame assembly being enclosed within rotor assembly and being rotatably connected with rotor assembly, casing and Hall board component, stator
Assembly includes stator core 2 and stator winding 3, and stator winding 3 inner circumferential is uniformly provided with least two temperature protectors 4.
Preferably, temperature protector 4 is closed type temperature protector 4, connect between wherein each temperature protector 4.
Wherein temperature protector 4 is 3,4,5,6,8,9 or 10.
In a kind of specific embodiment, rotor assembly includes rotor core 5 and is set in cylindrical permanent-magnet on rotor core 5
Body 7, rotor core 5 is set in rotating shaft 1 and is fixedly connected with rotating shaft 1, and permanent magnet 7 is hot pressing neodymium iron boron.
Wherein casing includes drive end bearing bracket 8, housing 9 and rear end cap 10, rotating shaft 1 pass through bearing respectively with drive end bearing bracket 8 and rear end
Lid 10 rotates and connects, and rear end cap 10 is provided with the fixing blind hole of fixing bearing, and fixing blind via bottom is provided with corrugated gasket 11.
Preferably, Hall board component includes magnet ring 12, circuit board 13 and Hall element 14, magnet ring 12 is set in rotating shaft 1
On, circuit board 13 is fixedly connected on rear end cap 10, and Hall element 14 is connected on circuit board 13, hangs down in the magnetic field that magnet ring 12 produces
Direct puncture crosses Hall element 14.
Wherein housing 9 is provided with line outlet, and line outlet is provided with wire bushing 6.
In describing the invention it is to be understood that term " " center ", " on ", D score, "front", "rear", " left ",
The orientation of instruction or the position such as " right ", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " axial ", " radially ", " circumferential "
Relation is based on orientation shown in the drawings or position relationship, is for only for ease of the description present invention and simplifies description, rather than refers to
Show or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not manage
Solve as limitation of the present invention.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, related work people
Member can carry out various change and modification completely in the range of without departing from this utility model technological thought.This reality
The content being not limited in description with new technical scope it is necessary to determine its technology according to right
Property scope.
Claims (8)
1. a kind of Thermal protection brushless electric machine, including rotating shaft（1）, be set in rotating shaft（1）Go up and and rotating shaft（1）The rotor being fixedly connected
Assembly, the field frame assembly being enclosed within rotor assembly and being rotatably connected with rotor assembly, casing and Hall board component, its feature exists
In：Described field frame assembly includes stator core（2）And stator winding（3）, described stator winding（3）Inner circumferential is uniformly provided with least
Two temperature protectors（4）.
2. a kind of Thermal protection brushless electric machine according to claim 1 it is characterised in that：Described temperature protector（4）For normal
Closed form temperature protector（4）, wherein each temperature protector（4）Between connect.
3. a kind of Thermal protection brushless electric machine according to claim 2 it is characterised in that：Described temperature protector（4）For 3
Individual, 4,5 or 6.
4. a kind of Thermal protection brushless electric machine according to claim 1 it is characterised in that：Described rotor assembly includes rotor ferrum
Core（5）Be set in rotor core（5）Upper cylindrical permanent-magnet body（7）, described rotor core（5）It is set in rotating shaft（1）Upper and with
Rotating shaft（1）It is fixedly connected, described permanent magnet（7）For hot pressing neodymium iron boron.
5. a kind of Thermal protection brushless electric machine according to claim 4 it is characterised in that：Described casing includes drive end bearing bracket（8）、
Housing（9）And rear end cap（10）, described rotating shaft（1）By bearing respectively with drive end bearing bracket（8）And rear end cap（10）Rotate and connect.
6. a kind of Thermal protection brushless electric machine according to claim 5 it is characterised in that：Described rear end cap（10）It is provided with solid
The fixing blind hole that dead axle holds, described fixing blind via bottom is provided with corrugated gasket（11）.
7. a kind of Thermal protection brushless electric machine according to claim 5 it is characterised in that：Described Hall board component includes magnet ring
（12）, circuit board（13）And Hall element（14）, described magnet ring（12）It is set in rotating shaft（1）On, described circuit board（13）Fixing
It is connected to rear end cap（10）On, described Hall element（14）It is connected to circuit board（13）On, described magnet ring（12）The magnetic field producing
Pass perpendicularly through Hall element（14）.
8. a kind of Thermal protection brushless electric machine according to claim 5 it is characterised in that：Described housing（9）It is provided with outlet
Mouthful, described line outlet is provided with wire bushing（6）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621016027.0U CN205986515U (en) | 2016-08-31 | 2016-08-31 | Heat protection brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621016027.0U CN205986515U (en) | 2016-08-31 | 2016-08-31 | Heat protection brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205986515U true CN205986515U (en) | 2017-02-22 |
Family
ID=58039682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621016027.0U Active CN205986515U (en) | 2016-08-31 | 2016-08-31 | Heat protection brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205986515U (en) |
-
2016
- 2016-08-31 CN CN201621016027.0U patent/CN205986515U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 213102, Jiangsu Changzhou District, Wujin Province remote view of the town to build rural areas Patentee after: Changzhou Yunkong Electronic CO., Ltd. Address before: 213000 Wujin District, Jiangsu City, the town of remote rural construction Patentee before: Changzhou Yun Kong electronics limited company |
|
| CP03 | Change of name, title or address |