CN204707001U - Motor and comprise the car-mounted device of this motor - Google Patents
Motor and comprise the car-mounted device of this motor Download PDFInfo
- Publication number
- CN204707001U CN204707001U CN201520370074.4U CN201520370074U CN204707001U CN 204707001 U CN204707001 U CN 204707001U CN 201520370074 U CN201520370074 U CN 201520370074U CN 204707001 U CN204707001 U CN 204707001U
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- CN
- China
- Prior art keywords
- motor
- circuit board
- stator
- busbar retainer
- jut
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- Expired - Fee Related
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Abstract
Motor and comprise the car-mounted device of this motor, this motor comprises: according to the first aspect of the utility model embodiment, provides a kind of motor, and this motor comprises: rotor, and it has the axle centered by the central axis extended along the vertical direction; Stator, it surrounds rotor, and has the coil of coiled electrical conductor; Clutch shaft bearing, it is configured at the upside of stator, and bolster; Casing, it keeps stator and clutch shaft bearing, and in tubular; Busbar retainer, it is positioned at the inner side of casing; Circuit board, residing for circuit board, plane is crossing with above-below direction; Sensor-magnet, the face on the downside of sensor-magnet and circuit board are directly opposed; Wherein, busbar retainer keeps being configured at the downside of stator and the second bearing of bolster, and the busbar be electrically connected with stator, and circuit board is installed on the upside of busbar retainer.The utility model can reduce motor drive shaft to size, and the accuracy of detection of position of rotation can be improved.
Description
Technical field
The utility model relates to motor, particularly relates to a kind of motor and comprises the car-mounted device of this motor.
Background technology
In motor configuration in the past, the rotor of motor being equipped with sensor-magnet, the circuit board of motor being equipped with the Hall element for detecting rotor rotation position, and for the electronic component of the capacitance resistance that adjusts rotor speed etc.Hall element detects the magnetic force coming from sensor-magnet, thus detects the position of rotation of rotor.To the accuracy of detection of the position of rotation of rotor, depend on the position relationship of sensor-magnet and Hall element.
Fig. 1 is the motor configuration disclosed in list of references 1 (Japanese Unexamined Patent Publication 2007-228736A), and as shown in Figure 1, motor chassis, vertically towards the inner side bulging of motor 10, forms bulge 46, and is held on bulge 46 by bearing 38.As shown in Figure 1, sensor circuit board 42 is positioned on bulge 46, and transducer 44 is positioned on sensor circuit board 42, and thus, transducer 44 can near sensor-magnet 40, thus make position of rotation accuracy of detection improve.
Utility model content
Inventor of the present utility model finds, when adopting the structure of above-mentioned list of references 1, when arranging busbar so that the wire of stator is connected to external power source, need to arrange in addition the busbar retainer keeping busbar, this busbar retainer result in motor drive shaft to size become large.
The utility model provides a kind of motor and comprises the car-mounted device of this motor, bearing can be held in busbar retainer, and the circuit board being used for carrying Hall element is also arranged on busbar retainer, thus, compared with the scheme not only having arranged bulge with of the prior art but also arranged busbar retainer, the utility model effectively can save the axial space of motor.
According to the first aspect of the utility model embodiment, provide a kind of motor, this motor comprises: rotor, and it has the axle centered by the central axis extended along the vertical direction; Stator, it surrounds described rotor, and has the coil of coiled electrical conductor; Clutch shaft bearing, it is configured at the upside of described stator, and supports described axle; Casing, it keeps described stator and described clutch shaft bearing, and in tubular; Busbar retainer, it is positioned at the inner side of described casing; Circuit board, residing for described circuit board, plane is crossing with described above-below direction; Sensor-magnet, the face on the downside of described sensor-magnet and described circuit board directly opposed; Wherein, described busbar retainer keeps being configured at the downside of described stator and supports the second bearing of described axle, and the busbar be electrically connected with described stator, and described circuit board is installed on the upside of described busbar retainer.
According to the second aspect of the utility model embodiment, wherein, described rotor has: at least 2 main magnets; Laminated iron core, described laminated iron core has the iron core that at least two are laminated in above-below direction; Resin portion, it covers described main magnet at least partially; Described resin portion has: the first resin portion, the upside of at least 2 main magnets described in described first resin portion covers; And second resin portion, the downside of at least 2 main magnets described in described second resin portion covers.
According to the third aspect of the utility model embodiment, wherein, described motor also has the transducer yoke for fixing described sensor-magnet, described second resin portion has resinous first jut extended towards described transducer yoke, and described transducer yoke has the first through hole on the position overlapping with described first jut above-below direction; Described first jut has first and runs through insertion section and the first Fixed Division, and wherein, described first runs through insertion section runs through and insert and be housed inside described first through hole, and described transducer yoke is fixed in described first Fixed Division.
According to the fourth aspect of the utility model embodiment, wherein, described first jut and described first through hole are set at least 3 respectively.
According to the 5th aspect of the utility model embodiment, wherein, in the central authorities of described transducer yoke, be provided with the 3rd through hole that described axle is run through, be provided with at the edge of described 3rd through hole along the outstanding wall portion of described above-below direction, described wall portion is fixed on described axle.
According to the 6th aspect of the utility model embodiment, wherein, described busbar retainer is resin-made, the second jut extended along described above-below direction is provided with in the upside of described busbar retainer, described circuit board, in the position overlapping with described second jut above-below direction, there is the second through hole, described second jut has second and runs through insertion section and the second Fixed Division, described second runs through insertion section runs through and inserts and be housed inside described second through hole, and described circuit board is fixed in described second Fixed Division.
According to the 7th aspect of the utility model embodiment, wherein, described second through hole at least partially with described stator and described busbar retainer overlapping on described above-below direction.
According to the eighth aspect of the utility model embodiment, wherein, the end of described wire extends from described stator to described busbar retainer, described busbar retainer has the wire interconnecting piece be connected with the end of described wire, described wire interconnecting piece is exposed to described busbar retainer on described above-below direction, and described circuit board is provided with the circuit board breakthrough part that described wire is passed through on the position overlapping with described wire interconnecting piece above-below direction.
According to the 9th aspect of the utility model embodiment, provide a kind of car-mounted device, described car-mounted device comprises the motor according to any one of above-described embodiment first-eighth aspect.
The beneficial effects of the utility model are: can reduce motor drive shaft to size, and the accuracy of detection of position of rotation can be improved.
With reference to explanation hereinafter and accompanying drawing, disclose in detail particular implementation of the present utility model, specifying principle of the present utility model can adopted mode.Should be appreciated that, thus execution mode of the present utility model is not restricted in scope.In the spirit of claims and the scope of clause, execution mode of the present utility model comprises many changes, amendment and is equal to.
Accompanying drawing explanation
Included accompanying drawing is used to provide the further understanding to the utility model embodiment, which constituting a part for specification, for illustrating execution mode of the present utility model, and coming together to explain principle of the present utility model with text description.Apparently, the accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.In the accompanying drawings:
Fig. 1 is the cutaway view of the motor configuration in list of references 1;
Fig. 2 is the cutaway view of the motor configuration of the utility model embodiment;
Fig. 3 is a vertical view of the transducer yoke of the utility model embodiment;
Fig. 4 is schematic perspective view circuit board being installed on busbar retainer of the utility model embodiment;
Fig. 5 is a schematic top plan view of the busbar retainer of the utility model embodiment.
Embodiment
With reference to accompanying drawing, by specification below, aforementioned and further feature of the present utility model will become obvious.In the specification and illustrated in the drawings, specifically disclose particular implementation of the present utility model, which show the some embodiments that wherein can adopt principle of the present utility model, will be appreciated that, the utility model is not limited to described execution mode, on the contrary, the utility model comprises the whole amendments fallen in the scope of claims, modification and equivalent.
In addition, in following explanation of the present utility model, in order to the convenience illustrated, radial direction centered by axle is called " radial direction ", circumferencial direction centered by axle is called " circumference ", direction along axle is called " above-below direction ", wherein, in this above-below direction, circuit board is " upper direction " in the face of the direction of sensor-magnet, and the direction contrary with " upper direction " is " lower direction ", and, the side towards " upper direction " of motor and each component units thereof is called " upside ", and the side contrary with upside is called " downside ".It should be noted that, the convenience of the above-mentioned definition for upper direction, lower direction, upside and downside just in order to illustrate, do not limit when motor uses and manufactures towards.
Embodiment 1
The utility model embodiment provides a kind of motor, and this motor can comprise: rotor, stator, clutch shaft bearing, casing, busbar retainer, circuit board and sensor-magnet etc.
Fig. 2 is the cutaway view of this motor 200, and as shown in Figure 2,200a is the upside of this motor 200, and 200b is the downside of this motor 200.In the present embodiment, rotor 201 has axle 2011, and axle 2011 is centered by the central axis 2011a extended along the vertical direction; Stator 202 surrounds rotor 201, and has the coil 2021 of coiled electrical conductor; Clutch shaft bearing 203 is configured at the upside of stator 202, and bolster 2011; Casing 204 is tubular, for keeping stator 202 and clutch shaft bearing 203; Busbar retainer 205 is positioned at the inner side of casing 204; Plane residing for circuit board 206 is crossing with this above-below direction, this circuit board 206 can carry the electronic devices such as Hall element (scheming not shown); The face of the downside of sensor-magnet 207 and circuit board are directly opposed.
In the present embodiment, as shown in Figure 2, busbar retainer 205 can keep the second bearing 208 and busbar, and wherein, this second bearing 208 can be configured in the downside of stator 202 and for bolster 2011, this busbar can be electrically connected with stator 202; Further, circuit board 206 can be installed in the upside of busbar retainer 205.According to embodiment of the present utility model, for keeping the busbar retainer of busbar to be also used for maintenance second bearing, therefore, it is possible to reduce motor drive shaft to size; Further, the circuit board for carrying Hall element is arranged on busbar retainer, and sensor-magnet 207 and circuit board 206 directly opposed, therefore, it is possible to make the distance of Hall element and sensor-magnet close, thus improve the accuracy of detection of position of rotation.
In the present embodiment, as shown in Figure 2, rotor 201 can have at least 2 main magnets 2012a, 2012b, laminated iron core 2013 and resin portion 2014.
Wherein, in the profile shown in Fig. 2, these 2 main magnets 2012a, 2012b can have different polarity, and in addition, the quantity of this main magnet can more than 2.About the concrete configuration mode of main magnet, can with reference to prior art, the present embodiment repeats no more.
As shown in Figure 2, the iron core that laminated iron core 2013 can be laminated in above-below direction by least two is formed, and such as, laminated iron core can be laminated at above-below direction by least two lamellar iron cores.Laminated iron core 2013 can be arranged on the inner peripheral surface of casing 204, and opposed diametrically with main magnet.
In the present embodiment, resin portion 2014 can cover main magnet at least partially, such as, as shown in Figure 2, resin portion 2014 can comprise the first resin portion 2014a and the second resin portion 2014b, wherein, the first resin portion 2014a can cover all or part of of the upside of these at least 2 main magnet 2012a and 2012b, and the second resin portion 2014b can cover all or part of of the downside of these at least 2 main magnet 2012a and 2012b.Thus, by the covering of resin portion, can prevent the main magnet of rotor from dispersing.
Certainly, the present embodiment is not limited to this, resin portion 2014 also can cover the whole of main magnet, that is, resin portion 2014 can cover the whole of the upper side and lower side of these at least 2 main magnets, and the circumference of these at least 2 main magnets is whole, such as, the outside of the circumference of this laminated iron core 2013 is covered, thus, these at least 2 main magnets and laminated iron core all cover by resin portion, dispersing of main magnet and laminated iron core can be prevented.
In the present embodiment, resin portion 2014 can be formed by injection molding process, and certainly, the present embodiment is not limited to this, and other method also can be adopted to form this resin portion.
In the present embodiment, as shown in Figure 2, this motor 200 can also have the transducer yoke 210 for fixation of sensor magnet 207, wherein, this transducer yoke 210 can be arranged at the downside of the second resin portion 2014b, further, this second resin portion 2014b can have resinous first jut 2015 extended towards transducer yoke 210.
Fig. 3 is a vertical view of transducer yoke, and as shown in Figure 3, transducer yoke 210 has the first through hole 2101 on the position overlapping with the first jut 2015 above-below direction.In the present embodiment, by this first jut 2015 and this first through hole 2101, transducer yoke can be fixed on the downside of this second resin portion 2014b, first jut 2015 has first and runs through insertion section (scheming not shown) and the first Fixed Division (scheming not shown), such as, this first jut 2015 can run through this first through hole 2101 of insertion, when the end of this first jut 2015 accepts enough heats, the end of this first jut 2015 is melted and affixed with this transducer yoke 210, thus, this first jut 2015 runs through and to insert and the part being housed inside this first through hole becomes first runs through insertion section (scheming not shown), the part affixed with transducer yoke 210 of this first jut 2015 becomes the first Fixed Division (scheming not shown).
In the present embodiment, sensor-magnet 207 can be fixed in rotor 201 by transducer yoke 210 and the second resin portion 2014b, therefore, the situation of the rotation of rotor and the rotation mutual dislocation of sensor-magnet can not be there is, the accuracy of detection of the position of rotation to rotor can be improved.
In the present embodiment, this the first through hole 2101 and this first jut 2015 can be respectively set at least 3, such as, in figure 3,3 the first through holes 2101 can be set equally spacedly along the circumference of transducer yoke 210, and 3 the first jut (not shown) are set accordingly.Thereby, it is possible to when keeping the balance of transducer yoke fixation of sensor magnet, suppressing the sensor-magnet that produces by rotating toppling in the axial direction, consequently, the accuracy of detection of the position of rotation to rotor can be improved further.
In the present embodiment, as shown in Figure 2 and Figure 3, in the central authorities of transducer yoke 210, the 3rd through hole 2102 that axle 2011 is run through can be provided with, be provided with wall portion 2103 outstanding along the vertical direction at the edge of the 3rd through hole 2102, and this wall portion 2103 is fixed on axle 2011, such as, in fig. 2, this wall portion 2103 is outstanding to the downside of transducer yoke 210, certainly, this enforcement is not limited to this, and this wall portion 2103 can be outstanding to the upside of transducer yoke 210 in other implementations.By providing walls, the contact-making surface of transducer yoke and axle is increased, suppress sensor-magnet toppling in the axial direction, consequently, the accuracy of detection of the position of rotation to rotor can be improved further.
Fig. 4 is stereogram circuit board being installed on busbar retainer, and Fig. 5 is a schematic top plan view of busbar retainer.As shown in Figure 4, the second jut 2051 extended along the vertical direction can be provided with in the upside of busbar retainer 205; Circuit board 206 can have the second through hole 2061, and wherein, this second through hole 2061 is overlapping with the second jut 2051 above-below direction.
In the present embodiment, busbar retainer 205 can be that resin is made, and the quantity of this second jut 2051 and the second through hole 2061 can be respectively at least 2.
In the present embodiment, by this second jut 2051 and this second through hole 2061, circuit board can be fixed on the upside of this busbar retainer, second jut 2051 has second and runs through insertion section (scheming not shown) and the second Fixed Division (scheming not shown), such as, this second jut 2051 can run through this second through hole 2061 of insertion, when the end of this second jut 2051 accepts enough heats, the end of this second jut 2051 is melted and affixed with this circuit board, thus, this second jut 2051 runs through and to insert and the part being housed inside this second through hole is formed as second runs through insertion section (scheming not shown), the part affixed with circuit board of this second jut 2051 is formed as the second Fixed Division (scheming not shown).
In the present embodiment, after circuit board can being installed on busbar retainer, then be installed in casing 204, therefore, easily manufacture this motor.
In the present embodiment, as shown in Figure 2 and Figure 4, second through hole 2061 at least partially can with stator 202 and busbar retainer 205 overlapping in the vertical direction, thus, when fixing circuit board, easily circuit board is fixed on busbar retainer, and it is overlapping with axle to avoid circuit board fixed position.
As shown in Figure 4, this circuit board 206 can have circuit board breakthrough part 2062.As shown in Figure 5, this busbar retainer 205 can have wire interconnecting piece 2052, and this wire interconnecting piece 2052 is exposed to this busbar retainer 205 in the vertical direction.In the present embodiment, the position of this circuit board breakthrough part 2062 and wire interconnecting piece 2052 is overlapping at above-below direction, and this circuit board breakthrough part 2062 and wire interconnecting piece 2052 can be respectively more than 1.
In the present embodiment, the end (not shown) of the wire of coil 2021 can extend from stator 202 to busbar retainer 205, and the end of this wire can be connected with wire interconnecting piece 2052, thus, external power source (not shown) can be powered via wire interconnecting piece 2052 guiding line.
As shown in Figure 4, this circuit board breakthrough part 2062 is notch geometries, certainly, the present embodiment is not limited to this, this circuit board breakthrough part 2062 also can be poroid, or the circuit board breakthrough part of partial amt is notch geometry, and the circuit board breakthrough part of partial amt is poroid.
In the present embodiment, this circuit board breakthrough part can make this wire pass through, and thus, this wire of stator extends to wire interconnecting piece by the circuit board breakthrough part be arranged on circuit board.Due to the existence of circuit board breakthrough part, do not need in circuit board outer felt around wire, productivity is good, and, by circuit board breakthrough part and wire interconnecting piece overlapping in the axial direction, the axial space of end for welding leads and wire interconnecting piece can be guaranteed.
By the structure of motor of the present utility model, can reduce motor drive shaft to size, and the accuracy of detection of position of rotation can be improved.
Embodiment 2
The utility model embodiment 2 provides a kind of car-mounted device.This car-mounted device comprises the motor described in embodiment 1, and due in embodiment 1, be described in detail the structure of this motor, its content is incorporated in this, omits the description herein.
In the present embodiment, this car-mounted device can be used to all car-mounted devices such as EPS (electric booster system) or DCT (speed changer), but the present embodiment is not in this, as restriction, in other implementations, the motor of embodiment 1 also can as electric equipment, the motor of the indoor set of such as air conditioner, the off-premises station of air conditioner, water dispenser, washing machine, sweeper, compressor, forced draft fan, mixer etc. uses, further, the motor etc. that the motor also can installed as various information equipment, industrial equipment use is used.
By the structure of the motor of the electric equipment of the present embodiment, can reduce motor drive shaft to size, and the accuracy of detection of position of rotation can be improved, thus reduce the size of electric equipment, and improve the performance of electric equipment.
More than being described the utility model in conjunction with concrete execution mode, but it will be apparent to those skilled in the art that these descriptions are all exemplary, is not the restriction to the utility model protection range.Those skilled in the art can make various variants and modifications according to spirit of the present utility model and principle to the utility model, and these variants and modifications are also in scope of the present utility model.
Claims (9)
1. a motor, this motor possesses:
Rotor, it has the axle centered by the central axis extended along the vertical direction;
Stator, it surrounds described rotor, and has the coil of coiled electrical conductor;
Clutch shaft bearing, it is configured at the upside of described stator, and supports described axle;
Casing, it keeps described stator and described clutch shaft bearing, and in tubular;
Busbar retainer, it is positioned at the inner side of described casing;
Circuit board, residing for described circuit board, plane is crossing with described above-below direction;
Sensor-magnet, the face on the downside of described sensor-magnet and described circuit board directly opposed,
The feature of described motor is,
Described busbar retainer keeps being configured at the downside of described stator and supports the second bearing of described axle, and the busbar be electrically connected with described stator,
Described circuit board is installed on the upside of described busbar retainer.
2. motor according to claim 1, wherein, described rotor has:
At least 2 main magnets;
Laminated iron core, described laminated iron core has the iron core that at least two are laminated in above-below direction;
Resin portion, it covers described main magnet at least partially,
The feature of described motor is,
Described resin portion has:
First resin portion, the upside of at least 2 main magnets described in described first resin portion covers; And
Second resin portion, the downside of at least 2 main magnets described in described second resin portion covers.
3. motor according to claim 2, wherein,
Described motor also has the transducer yoke for fixing described sensor-magnet,
Described second resin portion has resinous first jut extended towards described transducer yoke,
Described transducer yoke has the first through hole on the position overlapping with described first jut above-below direction,
It is characterized in that,
Described first jut has first and runs through insertion section and the first Fixed Division,
Described first runs through insertion section, runs through and inserts and be housed inside described first through hole;
Described first Fixed Division, is fixed on described transducer yoke.
4. motor according to claim 3, is characterized in that,
Described first jut and described first through hole are set at least 3 respectively.
5. motor according to claim 4, wherein,
In the central authorities of described transducer yoke, be provided with the 3rd through hole that described axle is run through,
It is characterized in that,
Be provided with at the edge of described 3rd through hole along the outstanding wall portion of described above-below direction, described wall portion is fixed on described axle.
6. motor according to claim 4, wherein,
Described busbar retainer is resin-made, is provided with the second jut extended along described above-below direction in the upside of described busbar retainer,
Described circuit board, has the second through hole in the position overlapping with described second jut above-below direction,
It is characterized in that,
Described second jut has second and runs through insertion section and the second Fixed Division,
Described second runs through insertion section, runs through and inserts and be housed inside described second through hole;
Described second Fixed Division, is fixed on described circuit board.
7. motor according to claim 6, is characterized in that,
Described second through hole at least partially with described stator and described busbar retainer overlapping on described above-below direction.
8. motor according to claim 7, wherein,
The end of described wire extends from described stator to described busbar retainer,
Described busbar retainer has the wire interconnecting piece be connected with the end of described wire,
Described wire interconnecting piece is exposed to described busbar retainer on described above-below direction,
It is characterized in that,
Described circuit board is provided with the circuit board breakthrough part that described wire is passed through on the position overlapping with described wire interconnecting piece above-below direction.
9. a car-mounted device, is characterized in that, described car-mounted device comprises the motor described in any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520370074.4U CN204707001U (en) | 2015-06-02 | 2015-06-02 | Motor and comprise the car-mounted device of this motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520370074.4U CN204707001U (en) | 2015-06-02 | 2015-06-02 | Motor and comprise the car-mounted device of this motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204707001U true CN204707001U (en) | 2015-10-14 |
Family
ID=54286593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520370074.4U Expired - Fee Related CN204707001U (en) | 2015-06-02 | 2015-06-02 | Motor and comprise the car-mounted device of this motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204707001U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736654A (en) * | 2017-04-20 | 2018-11-02 | 博格华纳公司 | Secondary circuit board abuts the circuit board assemblies that at least one sensor is provided in primary circuit plate and secondary circuit board |
| CN109716628A (en) * | 2016-09-16 | 2019-05-03 | 日本电产株式会社 | Motor |
| CN111373636A (en) * | 2017-11-24 | 2020-07-03 | 日本电产株式会社 | Motor with a stator having a stator core |
| CN112018927A (en) * | 2019-05-31 | 2020-12-01 | 日本电产株式会社 | Motor and electric product |
-
2015
- 2015-06-02 CN CN201520370074.4U patent/CN204707001U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109716628A (en) * | 2016-09-16 | 2019-05-03 | 日本电产株式会社 | Motor |
| CN108736654A (en) * | 2017-04-20 | 2018-11-02 | 博格华纳公司 | Secondary circuit board abuts the circuit board assemblies that at least one sensor is provided in primary circuit plate and secondary circuit board |
| CN108736654B (en) * | 2017-04-20 | 2022-08-16 | 博格华纳公司 | Circuit board assembly and motor assembly |
| CN111373636A (en) * | 2017-11-24 | 2020-07-03 | 日本电产株式会社 | Motor with a stator having a stator core |
| CN112018927A (en) * | 2019-05-31 | 2020-12-01 | 日本电产株式会社 | Motor and electric product |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151014 Termination date: 20160602 |