CN102410231B - Pump device - Google Patents
Pump device Download PDFInfo
- Publication number
- CN102410231B CN102410231B CN201110300532.3A CN201110300532A CN102410231B CN 102410231 B CN102410231 B CN 102410231B CN 201110300532 A CN201110300532 A CN 201110300532A CN 102410231 B CN102410231 B CN 102410231B
- Authority
- CN
- China
- Prior art keywords
- protuberance
- salient pole
- pump
- face
- insulation division
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0606—Canned motor pumps
- F04D13/064—Details of the magnetic circuit
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention provides a pump device, which is capable of improving precision of a stator iron core and a magnetic sensor at the relative positions along the circumferential direction to be greater than a current precision. The pump device comprises: a stator iron core (24) forming a salient pole part (24b); a spaced wall member (28) of a spaced wall (28a) spacing apart a pump chamber and a stator (5); and a magnetic sensor (20) used for detecting a magnetic electrode formed at the outer periphery of a magnetic body for driving. An insulating member (25) installed at the stator iron core (24) comprises a front end side insulating part (25a) covering a part of the front end part of the salient pole part (24b). The outer periphery of the spaced wall (28a) is provided with a plurality of protruding parts (28h, 28j) preventing rotation of the stator (5). The lower end surface (28m) of the protruding part (28j) is formed at the upper side of the lower end surface (28k) of the protruding part (28h). The magnetic sensor is configured at the lower side of the protruding part (28j) between the front end side insulating part (25a) clamping the clamping part (28k), thereby positioning at the peripheral direction via the e front end side insulating part (25a).
Description
Technical field
The present invention relates to a kind of pump-unit utilizing DC Brushless Motor to make the vane rotary in pump chamber.
Background technique
At present, utilize DC Brushless Motor that the pump-unit of the vane rotary in pump chamber is being widely used.As this pump-unit, there will be a known the pump-unit that one is configured with partition (shell), the anti-fluid of this partition flows into and is configured with (such as with reference to patent documentation 1) between the pump chamber of impeller and rotor and the configuration position of stator.In the pump-unit described in this patent documentation 1, be configured with stator core at the outer circumferential side of the driving magnet forming rotor across partition.Partition is formed the positioning part unshakable in one's determination for positioning stator core position in a circumferential direction.In addition, this pump-unit comprises the magnetic quantity transducer for detecting the magnetic pole of the outer circumferential face being formed at driving magnet, and partition is formed the sensor localization portion for positioning magnetic quantity transducer position in a circumferential direction.
Like this, in the pump-unit described in patent documentation 1, owing to being formed with positioning part unshakable in one's determination and sensor localization portion on partition, stator core and magnetic quantity transducer relative positional accuracy in a circumferential direction therefore can be improved.Therefore, in this pump-unit, magnetic quantity transducer can be utilized to detect the relatively rotation place of rotor relative to stator core accurately, consequently, the performance of the DC Brushless Motor be made up of rotor and stator can be improved.
In the pump-unit described in patent documentation 1, the stator core with multiple salient pole portion is integrally formed, and assembles stator by the salient pole portion that the driving coil being wound in bobbin is inserted stator core from radially inner side.
Patent documentation 1: Japanese Patent Laid-Open 2007-97257 publication
Like this, if improve stator core and magnetic quantity transducer relative positional accuracy in a circumferential direction, magnetic quantity transducer then can be utilized to detect the relatively rotation place of rotor relative to stator core accurately, thus the performance of the DC Brushless Motor making vane rotary can be improved.
Summary of the invention
Therefore, technical problem of the present invention is to provide a kind of pump-unit utilizing DC Brushless Motor to make the vane rotary in pump chamber, and stator core and magnetic quantity transducer relative positional accuracy in a circumferential direction can be increased to more than existing precision by it.
For solving the problems of the technologies described above, the feature of pump-unit of the present invention comprises: impeller, rotor, installs impeller on the rotor and this rotor has driving magnet, stator, this stator arrangement is in the outer circumferential side of rotor, and there is driving coil, insulating component and stator core, wherein, above-mentioned insulating component is made up of Ins. ulative material, said stator iron core is formed multiple salient pole portion, this multiple salient pole portion is wound with driving coil across insulating component, pump chamber, is configured with impeller and rotor in this pump chamber, and fluid flows through this pump chamber, between wall member, this wall member has partition, and this partition is configured between stator and pump chamber, with the configuration position preventing fluid in pump chamber from flowing into stator, and magnetic quantity transducer, this magnetic quantity transducer is used for detecting the magnetic pole of the outer circumferential face being formed at driving magnet, salient pole portion gives prominence to towards the radially inner side of stator core, insulating component comprises forward end insulation division, a part for the front end in salient pole portion and salient pole front end covers with the contact preventing salient pole front end and driving coil by this forward end insulation division, partition is formed as the bottomed cylindrical with bottom and cylindrical part, and be configured to make cylindrical part cover the outer circumferential face of driving magnet, the outer circumferential face of cylindrical part is formed with multiple protuberance, this multiple protuberance can with the end face circumferentially at rotor of salient pole front end and/or forward end insulation division abut at the end face circumferentially of rotor the rotation preventing stator, protuberance extends from the opening side of partition towards the bottom side of partition, and be configured between multiple salient pole front end and/or forward end insulation division, at least one protuberance in multiple protuberance be the end face of the bottom side of protuberance formed than the end face of the bottom side of other protuberance closer to the first protuberance of the opening side of partition, magnetic quantity transducer is configured in than the first protuberance more by the position of bottom side between the salient pole front end clipping the first protuberance configuration and/or forward end insulation division, thus located in a circumferential direction by salient pole front end and/or forward end insulation division.
In pump-unit of the present invention, magnetic sensor configuration between the salient pole front end clipping the first protuberance configuration and/or forward end insulation division, thus is located in a circumferential direction by salient pole front end and/or forward end insulation division.That is, magnetic quantity transducer is by forming the salient pole front end of stator core and/or being located in a circumferential direction by the forward end insulation division that a part for salient pole front end covers.Therefore, compare with the pump-unit recorded in patent documentation 1, stator core and magnetic quantity transducer relative positional accuracy in a circumferential direction can be improved.Namely, in the pump-unit described in patent documentation 1, because of the positioning part unshakable in one's determination and sensor localization portion that are formed at partition relative positional accuracy and stator core and magnetic quantity transducer relative positional accuracy in a circumferential direction may be made to reduce, but in the present invention, by a part for stator core or the forward end insulation division that a part for stator core covered, magnetic quantity transducer is directly located in a circumferential direction, therefore, stator core and magnetic quantity transducer relative positional accuracy in a circumferential direction not easily reduces.Like this, in the present invention, stator core and magnetic quantity transducer relative positional accuracy in a circumferential direction can be increased to more than existing precision.Now, if the protuberance formed on the outer circumferential face of cylindrical part and the front end in adjacent one another are two salient pole portions and abutting at the end face circumferentially of rotor of salient pole front end, in order to being used in protuberance that the outer circumferential face of cylindrical part is formed to determine salient pole front end position in a circumferential direction, then can improve stator core and magnetic quantity transducer relative positional accuracy in a circumferential direction further.
In addition, in the present invention, the end face of the bottom side of the first protuberance is formed at the partition opening side of the bottom side end face of other protuberance, magnetic sensor configuration in the first protuberance bottom side and located in a circumferential direction by salient pole front end and/or forward end insulation division, therefore, without the need to being located at partition to the structure that magnetic quantity transducer positions in a circumferential direction by being used for.Therefore, in the present invention, the structure of partition can be simplified.
In the present invention, it is preferable that, magnetic sensor configuration between the forward end insulation division clipping the first protuberance configuration, thus is located in a circumferential direction by forward end insulation division.In this case, even if utilize the multiple segmentation iron cores be split to form by each salient pole portion to form stator core, magnetic quantity transducer also can be clamped in be located at two adjacent one another are segmentations insulating component unshakable in one's determination forward end insulation division between, thus to locate in a circumferential direction by forward end insulation division.Because insulating component is such as formed by resin, therefore, when adopting this kind of construction, the forward end insulation division damage magnetic quantity transducer that magnetic quantity transducer is positioned can be prevented.
In the present invention, it is preferable that, the width of magnetic quantity transducer is substantially equal with the width clipped between forward end insulation division that the first protuberance configures.When adopting this kind of construction, even if the shape of forward end insulation division not to be formed as the special shape for positioning magnetic quantity transducer, the end face in a circumferential direction of forward end insulation division also can be utilized to carry out magnetic quantity transducer location in a circumferential direction.Therefore, the structure of insulating component can be simplified.
In the present invention, it is preferable that, magnetic quantity transducer abuts with the end face of the bottom side of the first protuberance.When adopting this kind of construction, due to the end face of the first protuberance can be utilized to carry out the location axially of magnetic quantity transducer at rotor, therefore without the need to the structure for carrying out magnetic quantity transducer location in the axial direction.Therefore, the structure of pump-unit can be simplified.
In the present invention, it is preferable that, stator core is made up of the multiple segmentation iron cores be split to form by each salient pole portion.Specifically, stator core comprises: the circular annular portion forming the outer circumferential face of this stator core; And from this annular portion towards the inner side of radial direction outstanding multiple above-mentioned salient pole portion, unshakable in one's determination by the peripheral part forming above-mentioned annular portion is formed segmentation by each above-mentioned salient pole portion segmentation.When adopting this kind of construction, compare with the situation of assembling stator by the salient pole portion driving coil being wound in bobbin being inserted the stator core be integrally formed from radially inner side as recorded in above-mentioned patent documentation 1, the windings of the driving coil being wound in salient pole portion can be increased.
In the present invention, it is preferable that, partition comprises from the opening side end of cylindrical part towards the lip part that the outside of radial direction expands, between wall member comprise cylindric periphery wall portion, this periphery wall portion is configured at the outer circumferential side of cylindrical part and erects towards bottom side from lip part, and the outer circumferential face of segmentation iron core contacts with the inner peripheral surface of periphery wall portion with the contact of regulation.When adopting this kind of construction, the periphery wall portion being formed at a wall member can be utilized to keep stator core.Therefore, without the need to arranging the component for keeping stator core separately, thus the structure of pump-unit can be simplified.
In the present invention, it is preferable that, insulating component is unshakable in one's determination one-body molded with segmentation.When adopting this kind of construction, insulating component can be utilized to cover segmentation surface unshakable in one's determination accurately.In addition, in the present invention, it is preferable that, for the substrate of the terminal of connection magnetic quantity transducer, be pre-formed fixing projection and location projection in the bottom of partition, wherein, above-mentioned fixing is used for aforesaid substrate to be fixed on a wall member by projection, above-mentioned location projection is used for positioning aforesaid substrate, and substrate is fixed on the bottom of partition under the state of being located by fixing projection and location projection.
As mentioned above, in pump-unit of the present invention, stator core and magnetic quantity transducer relative positional accuracy in a circumferential direction can be increased to more than existing precision.
Accompanying drawing explanation
Fig. 1 is the sectional view of the pump-unit of embodiment of the present invention.
From underside side, Fig. 2 represents that the stator shown in Fig. 1 is fixed on the stereogram of the state of a wall member.
Fig. 3 be the stator shown in Fig. 1 be fixed on a wall member state under worm's eye view.
Fig. 4 is the exploded perspective view representing the state after the stator shown in Fig. 2, a wall member and magnetic quantity transducer being decomposed.
Fig. 5 is the stereogram of the stator shown in Fig. 4.
Fig. 6 represents the stereogram being wound with the state of driving coil on the segmentation iron core shown in Fig. 5.
Fig. 7 is the stereogram of the segmentation iron core shown in Fig. 6.
Fig. 8 is the E portion enlarged view of Fig. 3.
Fig. 9 is the F portion enlarged view of Fig. 8.
Figure 10 is the sectional view in the G-G cross section of Fig. 3.
The stereogram of wall member between Figure 11 represents shown in Fig. 4 from other direction.
(symbol description)
1 pump-unit
2 impellers
4 rotors
5 stators
9 pump chambers
14 driving magnets
20 magnetic quantity transducers
23 driving coils
24 stator cores
24b salient pole portion
24c splits iron core
24e salient pole front end
The end face in a circumferential direction of 24n salient pole front end
25 insulating components
25a forward end insulation division
The end face in a circumferential direction of 25d forward end insulation division
28 wall members
28a partition
28b periphery wall portion
28c cylindrical part
Bottom 28d
28e lip part
28h protuberance
The lower end surface (end face of the bottom side of protuberance) of 28k protuberance
28j protuberance (the first protuberance)
The lower end surface (end face of the bottom side of protuberance) of 28m protuberance
Embodiment
Below, with reference to accompanying drawing, embodiments of the present invention are described.
(schematic construction of pump-unit)
Fig. 1 is the sectional view of the pump-unit 1 of embodiment of the present invention.In the following description, the upside (side, Z1 direction) of Fig. 1 is set to " on " side, the downside (side, Z2 direction) of Fig. 1 is set to D score side.
The pump-unit 1 of present embodiment is the pump being called as sealing pump type, the DC Brushless Motor 3 (hereinafter referred to as " motor 3 ") comprising impeller 2 and this impeller 2 is rotated.Motor 3 is made up of rotor 4 and stator 5.Impeller 2 and motor 3 are configured at by shell 6 and the inside of housing that formed by the upper shell 7 that the top of shell 6 covers.Shell 6 and upper shell 7 are fixed to one another by screw 8.
Upper shell 7 is formed the sucting 7a of fluid and the discharge portion 7b of fluid.Between shell 6 and upper shell 7, be formed with pump chamber 9, this pump chamber 9 flows through towards discharge portion 7b for the fluid sucked from sucting 7a.In addition, the anastomosis part between shell 6 and upper shell 7 is configured with the sealing component (O shape ring) 10 of the sealing for guaranteeing pump chamber 9.
Rotor 4 comprises: driving magnet 14, cylindric sleeve 15, the retaining member 16 kept driving magnet 14 and sleeve 15.Retaining member 16 is formed as flanged roughly cylindric.Driving magnet 14 is fixed on the outer circumferential side of retaining member 16, and sleeve 15 is fixed on the inner circumferential side of retaining member 16.The lip part 16a of retaining member 16 being configured at upside is fixed with impeller 2.Impeller 2 and rotor 4 are configured at the inside of pump chamber 9.
Rotor 4 axle 17 that is fixed is supported to and can rotates.Stationary axle 17 using above-below direction as axially configuring.That is, above-below direction is the axis of rotor 4.The upper end of stationary axle 17 is held in upper shell 7, and the lower end of stationary axle 17 is held in shell 6.Stationary axle 17 inserts the inner circumferential side of sleeve 15.In addition, stationary axle 17 is provided with two thrust-bearing components 18 in the mode of clamping sleeve 15 along the vertical direction.In the present embodiment, sleeve 15 works as the radial bearing of rotor 4, and sleeve 15 and thrust-bearing component 18 work as the thrust-bearing of rotor 4.
In addition, pump-unit 1 comprises the magnetic quantity transducer 20 (with reference to Fig. 4) for detecting the magnetic pole of the outer circumferential face being formed at driving magnet 14.Below, the configuration of the structure of stator 5, the structure of shell 6 and magnetic quantity transducer 20 is described.
(structure of stator)
From underside side, Fig. 2 represents that the stator 5 shown in Fig. 1 is fixed on the stereogram of the state of a wall member 28.Fig. 3 be the stator 5 shown in Fig. 1 be fixed on a wall member 28 state under worm's eye view.Fig. 4 is the exploded perspective view representing the state after the stator 5 shown in Fig. 2, a wall member 28 and magnetic quantity transducer 20 being decomposed.Fig. 5 is the stereogram of the stator 5 shown in Fig. 4.Fig. 6 is the stereogram being wound with the state of driving coil 23 on the 24c unshakable in one's determination of the segmentation shown in Fig. 5.Fig. 7 is the stereogram of the segmentation 24c unshakable in one's determination shown in Fig. 6.Fig. 8 is the E portion enlarged view of Fig. 3.Fig. 9 is the F portion enlarged view of Fig. 8.
Stator 5 comprises driving coil 23, stator core 24, the insulating component (insulator) 25 that is made up of Ins. ulative material, and entirety is formed as roughly cylindric.Stator 5 is configured at the outer circumferential side of rotor 4 across aftermentioned partition 28a.Below, the radial direction of rotor 4 and stator 5 is set to " radial direction ", the circumferencial direction of rotor 4 and stator 5 is set to " circumferencial direction ".
Stator core 24 is the stacked and laminate cores formed of the thin magnetic sheet that is made up of magnetic material.This stator core 24 comprises: the roughly circular annular portion 24a forming the outer circumferential face of stator core 24; And from annular portion 24a towards the inner side of radial direction outstanding multiple salient pole portion 24b.In addition, stator core 24 is made up of the multiple segmentations 24c unshakable in one's determination be split to form by each salient pole portion 24b.The stator core 24 of present embodiment is made up of six segmentation 24c unshakable in one's determination.
As shown in Figure 7, split 24c unshakable in one's determination to be made up of salient pole portion 24b and the peripheral part 24d of the part forming annular portion 24a.Salient pole portion 24b by salient pole portion 24b front end and salient pole front end 24e and the linking department 24f that salient pole front end 24e and peripheral part 24d links together is formed, when observing from above-below direction, the shape of salient pole portion 24b is roughly T-shaped shape.More specifically, salient pole front end 24e is formed as the roughly arc-shaped that the both sides from the medial extremity of the linking department 24f being formed as straight line shape towards circumferencial direction expand.The inner peripheral surface of salient pole portion 24e is relative with the outer circumferential face of driving magnet 14 across aftermentioned partition 28a.
Peripheral part 24d is formed as roughly arc-shaped.In addition, salient pole portion 24b gives prominence to from the approximate centre position in a circumferential direction of peripheral part 24d towards the inner side of radial direction.As shown in Figure 7, be formed with the engaging protuberance 24h protruding outside towards circumferencial direction in a circumferential direction end face 24g of outer circumferential face 24, be formed with the engaging recessed part 24k caved in the inner side towards circumferencial direction at another end face 24j in a circumferential direction of outer circumferential face 24d.As shown in Figure 8, Figure 9, the outer circumferential face of the core in a circumferential direction of peripheral part 24d is formed as roughly orthogonal with the projected direction of salient pole portion 24b plane.That is, the plane planar surface portion 24m roughly orthogonal with the projected direction of salient pole portion 24d is formed with at the outer circumferential face of the core in a circumferential direction of peripheral part 24d.
Insulating component 25 is formed by the resin material with insulating properties.In addition, insulating component 25 is one-body molded with segmentation 24c unshakable in one's determination.The inner circumferential side of the outer circumferential side of salient pole front end 24e, linking department 24f, peripheral part 24d covers for preventing the contact of driving coil 23 and segmentation 24c unshakable in one's determination by this insulating component 25.Namely, as shown in Fig. 1, Fig. 6, insulating component 25 is made up of forward end insulation division 25a, outer circumferential side insulation division 25b and link insulation division 25c, wherein, the other parts of the salient pole front end 24e except the inner peripheral surface of salient pole front end 24e and both end sides in a circumferential direction cover by above-mentioned forward end insulation division 25a, a part for the inner peripheral surface of peripheral part 24d and upper and lower both ends of the surface covers by above-mentioned outer circumferential side insulation division 25b, and above-mentioned link insulation division 25c covers linking department 24f and also linked together by forward end insulation division 25a and outer circumferential side insulation division 25b.
When observing from above-below direction, the shape of forward end insulation division 25a is roughly arc-shaped.In addition, forward end insulation division 25a extends from salient pole front end 24e towards upper and lower both sides upwards.The end face 24n in a circumferential direction of salient pole front end 24e gives prominence to than the end face 25d in a circumferential direction of forward end insulation division 25a.When observing from above-below direction, the shape of outer circumferential side insulation division 25b is roughly arc-shaped.In addition, outer circumferential side insulation division 25b extends from peripheral part 24d towards upper and lower both sides upwards.End face 24g, 24j in a circumferential direction of peripheral part 24d give prominence to than the end face 25e of outer circumferential side insulation division 25b.
Link the roughly square tube shape that insulation division 25c is formed as linking department 24f to cover, be wound with driving coil 23 at the outer circumferential side linking insulation division 25c.That is, driving coil 23 is wound with at the outer circumferential side of linking department 24f across link insulation division 25c.The two end part of driving coil 23 are wound in terminal pins 26, and this terminal pins 26 is fixed on the lower surface of outer circumferential side insulation division 25b.
Multiple segmentations 24c unshakable in one's determination under the state being wound with driving coil 23 to abut with another end face 24j splitting 24c unshakable in one's determination with the end face 24g of circumferentially adjacent one segmentation 24c unshakable in one's determination and the mode that an engaging protuberance 24h splitting 24c unshakable in one's determination is engaged with another engaging recessed part 24k splitting 24c unshakable in one's determination is combined into roughly cylindrical shape, and is fixed on the inner circumferential side of aftermentioned periphery wall portion 28b.
(structure of shell and the configuration of magnetic quantity transducer)
Figure 10 is the sectional view in the G-G cross section of Fig. 3.The stereogram of wall member 28 between Figure 11 represents shown in Fig. 4 from other direction.
As shown in Figure 1, shell 6 comprises a wall member 28 and resinous resin component element 29, wherein, above-mentioned wall member 28 has partition 28a, this partition 28a is configured between pump chamber 9 and stator 5 in mode pump chamber 9 and stator 5 separated, and the lower surface of a wall member 28 and side cover by above-mentioned resin component element 29.Between wall member 28 formed by resin.In addition, except partition 28a, a wall member 28 also comprises the roughly cylindric periphery wall portion 28b of the outer circumferential side being configured at partition 28a.
Partition 28a is formed as flanged roughly bottomed cylindrical, comprises cylindrical part 28c, bottom 28d, lip part 28e.Cylindrical part 28c is formed as cylindric, and is configured to the outer circumferential face of driving magnet 14 to cover.It is discoideus that bottom 28d is formed as the lower end closed of cylindrical part 28c.Lip part 28e expands from the upper end as opening side of cylindrical part 28c towards the outside of radial direction.As shown in Figure 1, the inner side of partition 28a and upside are pump chamber 9, and impeller 2 and rotor 4 are configured at inner side and the upside of partition 28a.Partition 28a serves the function preventing the fluid in pump chamber 9 from flowing into the configuration position of stator 5.
Be formed with the fixing projection 28f for substrate 30 being fixed on a wall member 28 at the lower surface of bottom 28d and be used for location projection 28g that substrate 30 is positioned.As shown in Figure 1, substrate 30 is in the lower face side being threaded under the state with projection 28f and location projection 28g location and fixing and be fixed on bottom 28d with the screw 31 of projection 28f that is fixed.Substrate 30 is connected with the terminal of magnetic quantity transducer 20.In addition, substrate 30 is connected with terminal pins 26, supplies electric current from substrate 30 towards driving coil 23.In the present embodiment, after stator 5 is fixed on a wall member 28, the substrate 30 under the state being provided with magnetic quantity transducer 20 is fixed on bottom 28d.
As shown in Fig. 4, Figure 11, be formed with multiple protuberance 28h, the 28j protruding outside towards radial direction at the outer circumferential face of cylindrical part 28c.In the present embodiment, six protuberance 28h, 28j equiangularly spacing formation.It is elongated rectangular-shaped that protuberance 28h, 28j are formed as extending in the vertical direction.Length on the above-below direction of three protuberance 28h in six protuberances 28h, 28j is longer than the length on the above-below direction of remaining three protuberance 28j.Specifically, protuberance 28h is formed at the whole region of upper end to the lower end from cylindrical part 28c.On the other hand, protuberance 28j is formed from the upper end of cylindrical part 28c, but is not formed to the lower end of cylindrical part 28c.That is, the lower end surface 28m of protuberance 28j is configured at the upside of the lower end surface 28k of protuberance 28h.In addition, three protuberance 28h and three protuberance 28j are formed by the order of three protuberance 28h, three protuberance 28j in a circumferential direction.The protuberance 28j of present embodiment is the first protuberance that its lower end surface 28m (i.e. the end face of 28d side, bottom) is configured at the upside (i.e. the opening side of partition 28a) of the lower end surface 28k of other protuberance 28h.
Periphery wall portion 28b is formed as roughly cylindric, is configured at the outer circumferential side of cylindrical part 28c.This periphery wall portion 28b is from lip part 28e is edge-on down.The height (length on above-below direction) of periphery wall portion 28b is lower than the height of cylindrical part 28c.The internal diameter of periphery wall portion 28b is larger than the external diameter of cylindrical part 28c, is configured with stator 5 outside between the inner peripheral surface of surrounding wall portion 28b and the outer circumferential face of cylindrical part 28c.The inner peripheral surface of surrounding wall portion 28b is formed with the circular step surface 28n abutted with the upper-end surface of the annular portion 24a of stator core 24 outside.As shown in Figure 10, longer than the length L2 in the vertical direction of stator core 24 to the distance L1 of the lower end of periphery wall portion 28b from step surface 28n.Between before assemble pump device 1 in wall member 28, the inner peripheral surface of the underpart of periphery wall portion 28b is along with towards downside towards the plane of inclination 28p that radial outside expands.
The internal diameter being positioned at the downside of step surface 28n of periphery wall portion 28b is less than the external diameter of the annular portion 24a of stator core 24.In the present embodiment, by the multiple segmentations 24c unshakable in one's determination under the state being wound with driving coil 23 to be pressed into the inner circumferential side of periphery wall portion 28b with the state being combined into roughly cylindrical shape, thus making stator 5 be fixed on a wall member 28, the outer circumferential face of stator core 24 is contacted by pressure with the inner peripheral surface of periphery wall portion 28b with the contact of regulation.In addition, under the state that stator 5 is fixed on a wall member 28, the upper-end surface of the annular portion 24a of stator core 24 abuts with step surface 28n, and stator 5 is located in the vertical direction by step surface 28n.
As mentioned above, the inner peripheral surface of the underpart of periphery wall portion 28b is plane of inclination 28p.Therefore, in the present embodiment, easily the multiple segmentations 24c unshakable in one's determination be combined under roughly cylindric state is pressed into the inner circumferential side of periphery wall portion 28b.In addition, in the present embodiment, as mentioned above, longer than the length L2 of stator core 24 to the distance L1 of the lower end of periphery wall portion 28b from step surface 28n, after stator 5 is fixed in a wall member 28, the underpart of periphery wall portion 28b and the annular portion 24a of stator core 24 are welded together.That is, as shown in Figure 1, after stator core 24 is fixed in a wall member 28, the underpart of periphery wall portion 28b becomes weld part 28r.The underpart of periphery wall portion 28b is welded on the position except planar surface portion 24m of annular portion 24a.That is, weld part 28r is formed at the position except planar surface portion 24m of annular portion 24a.In addition, a weld part 28r is at least formed to the peripheral part 24d of a segmentation 24c unshakable in one's determination.
Under multiple segmentations 24c unshakable in one's determination under the state being wound with driving coil 23 is combined into roughly cylindric state in the mode that the end face 24g of adjacent in a circumferential direction one segmentation 24c unshakable in one's determination abuts with another end face 24j splitting 24c unshakable in one's determination, as shown in Fig. 3, Fig. 5, gap is formed between the end face 24n of salient pole front end 24e adjacent in a circumferential direction, in addition, also gap is formed with between the end face 25d of adjacent in a circumferential direction forward end insulation division 25a.As mentioned above, the end face 24n of salient pole front end 24e gives prominence to than the end face 25d of forward end insulation division 25a, and the gap be formed between end face 24n adjacent is in a circumferential direction narrower and small than the gap be formed between end face 25d adjacent in a circumferential direction.Protuberance 28h, 28j are relative with the end face 24n of adjacent two salient pole front end 24e.That is, if the end face 24n being configured to two adjacent salient pole front end 24e abuts with protuberance 28h, 28j, then the position in a circumferential direction of salient pole front end 24e can be determined.
In the present embodiment, when stator 5 being fixed on wall member 28, in the gap be formed between circumferentially adjacent end face 24n and the gap being formed between circumferentially adjacent end face 25d, be configured with protuberance 28h, 28j.That is, protuberance 28h, 28j is configured between multiple salient pole front end 24e and between forward end insulation division 25a.Specifically, protuberance 28h is configured between circumferentially adjacent salient pole front end 24e and between the part being formed at the upper and lower both sides of salient pole front end 24e of forward end insulation division 25a.In addition, protuberance 28j be configured between circumferentially adjacent salient pole front end 24e and forward end insulation division 25a the part being formed on the upside of salient pole front end 24e between.Abutted with the end face 24n of salient pole front end 24e by protuberance 28h, 28j, serve the function preventing stator 5 from rotating relative to a wall member 28.That is, protuberance 28h, 28j is the spline part of stator 5.In addition, the gap be formed between circumferentially adjacent end face 24n is larger than the width in a circumferential direction of protuberance 28h, 28j.Therefore, at least one end face in the end face in the circumference of protuberance 28h, 28j does not contact with end face 24n, but when stator 5 rotates, the end face in the circumference of protuberance 28h, 28j can abut with end face 24n.
As mentioned above, the plane planar surface portion 24m roughly orthogonal with the projected direction of salient pole portion 24d is formed with at the outer circumferential face of stator core 24.Therefore, when stator 5 is fixed in wall member 28, as shown in Figure 9, between the inner peripheral surface and planar surface portion 24m of periphery partition 28b, gap S is formed with.
The motor 1 of present embodiment is three-phase brushless motor, comprises three magnetic quantity transducers 20.In motor 1, the testing result according to magnetic quantity transducer 20 controls the electric current being supplied to driving coil 23.Magnetic quantity transducer 20 is configured at the downside of protuberance 28j.Specifically, magnetic quantity transducer 20 be configured at clip protuberance 28j configure forward end insulation division 25a between.More specifically, magnetic quantity transducer 20 be configured at clip the forward end insulation division 25a that protuberance 28j configures the part being formed on the downside of salient pole front end 24e between, magnetic quantity transducer 20 is located in a circumferential direction by abutting with the end face 25d of the part be formed on the downside of salient pole front end 24e clipping the forward end insulation division 25a that protuberance 28j configures.In the present embodiment, the terminal of magnetic quantity transducer 20 abuts with the end face 25d of the part be formed on the downside of salient pole front end 24e.In addition, the upper-end surface of magnetic quantity transducer 20 abuts with the lower end surface 28m of protuberance 28j, and magnetic quantity transducer 20 is located in the vertical direction by lower end surface 28m.The width of magnetic quantity transducer 20 and the width in a circumferential direction of protuberance 28j roughly equal.
Resin component element 29 is for covering driving coil 23 and substrate 30 etc. completely and establishing.This resin component element 29 by towards be fixed with stator 5 and under the state being fixed with substrate 30 between wall member 28 resin material injection formed, this substrate 30 is provided with magnetic quantity transducer 20.That is, resin component element 29 and be fixed with stator 5 and after being fixed with substrate 30 between wall member 28 one-body molded.In the present embodiment, resin component element 29 is formed as roughly bottomed cylindrical, is covered completely in the underpart of the side of wall member 28 between except lip part 28e and underpart, stator 5 and substrate 30.
(main efficacy results of present embodiment)
As mentioned above, in the present embodiment, magnetic quantity transducer 20 be configured at clip the forward end insulation division 25a that protuberance 28j configures the part being formed on the downside of salient pole front end 24e between, magnetic quantity transducer 20 is located in a circumferential direction by abutting with the end face 25d of the part be formed on the downside of salient pole front end 24e clipping the forward end insulation division 25a that protuberance 28j configures.That is, magnetic quantity transducer 20 is located in a circumferential direction by a forward end insulation division 25a part of the salient pole front end 24e of stator core 24 covered.Therefore, in the present embodiment, the situation being formed with sensor localization portion with the pump-unit as recorded in patent documentation 1 on partition compares, and can improve stator core 24 and magnetic quantity transducer 20 relative positional accuracy in a circumferential direction.
In addition, in the present embodiment, because insulating component 25 is formed by resin, the situation end face 25d of the forward end insulation division 25a that magnetic quantity transducer 20 positions being damaged to magnetic quantity transducer 20 can therefore be prevented.In addition, in the present embodiment, owing to being located in a circumferential direction by the end face 25d of forward end insulation division 25a, therefore, even if the shape of forward end insulation division 25a is not formed as the special shape for positioning magnetic quantity transducer 20, utilize the end face 25d of forward end insulation division 25a like this, also can carry out magnetic quantity transducer 20 location in a circumferential direction.Therefore, in the present embodiment, the structure of insulating component 25 can be simplified.
In addition, in the present embodiment, magnetic quantity transducer 20 abuts with the end face 25d of the part be formed on the downside of salient pole front end 24e clipping the forward end insulation division 25a that protuberance 28j configures and is clamped by it, thus locate in a circumferential direction, therefore, without the need to the structure being used for orientation magnetic sensor 20 is in a circumferential direction located at partition 28a.Therefore, in the present embodiment, the structure of partition 28a can be simplified.
In the present embodiment, magnetic quantity transducer 20 is located in the vertical direction by abutting with the lower end surface 28m of protuberance 28j.That is, in the present embodiment, magnetic quantity transducer 20 is located in the vertical direction by the protuberance 28j worked as the spline part of stator 5.Therefore, without the need to arranging the structure for carrying out magnetic quantity transducer 20 location in the vertical direction separately.Consequently, in the present embodiment, the structure of pump-unit 1 can be simplified.
In addition, in the present embodiment, magnetic quantity transducer 20 is located in a circumferential direction by the forward end insulation division 25a clipping protuberance 28j configuration, and is located in the vertical direction by protuberance 28j.Therefore, even if by be fixed with stator 5 and under the state being fixed with substrate 30 between wall member 28 resin material injection form resin component element 29, also position deviation, the inclination (toppling over) of the magnetic quantity transducer 20 caused because of injection pressure during resin material injection can be prevented, wherein, aforesaid substrate 30 is provided with magnetic quantity transducer 20.
In the present embodiment, stator core 24 is made up of the multiple segmentations 24c unshakable in one's determination be split to form by each salient pole portion 24b.Therefore, compare with the situation of assembling stator by the salient pole portion driving coil being wound in bobbin being inserted the stator core be integrally formed from radially inner side as recorded in above-mentioned patent documentation 1, in the present embodiment, the windings of the driving coil 23 being wound in salient pole portion 24b can be increased.
In the present embodiment, by the multiple segmentations 24c unshakable in one's determination under the state being wound with driving coil 23 to be pushed down into the inner circumferential side of periphery wall portion 28b in the state being combined into roughly cylindrical shape, thus stator 5 is made to be fixed on a wall member 28.That is, stator core 24 is maintained at and is formed on the periphery wall portion 28b of a wall member 28.Therefore, in the present embodiment, without the need to arranging the component for keeping stator core 24 separately, thus the structure of pump-unit 1 can be simplified.
In the present embodiment, insulating component 25 is one-body molded with segmentation 24c unshakable in one's determination.Therefore, insulating component 25 can be utilized to cover the part on the surface of segmentation 24c unshakable in one's determination accurately.
(other mode of execution)
Above-mentioned mode of execution is the example in the preferred embodiment of the present invention, but the present invention is not limited thereto, and can carry out various distortion enforcement not changing in the scope of the inventive concept.
In the above-described embodiment, magnetic quantity transducer 20 be configured at clip the forward end insulation division 25a that protuberance 28j configures the part being formed on the downside of salient pole front end 24e between, and to be located in a circumferential direction by the end face 25d of the part be formed on the downside of salient pole front end 24e clipping the forward end insulation division 25a that protuberance 28j configures.In addition, such as, also can configure a part for magnetic quantity transducer 20 between the salient pole front end 24e clipping protuberance 28j configuration, by the end face 24n clipping the salient pole front end 24e that protuberance 28j configures, magnetic quantity transducer be located in a circumferential direction.
In the above-described embodiment, the gap between the end face 24n being formed at circumferentially adjacent salient pole front end 24e is narrower and small than the gap between the end face 25d being formed at circumferentially adjacent forward end insulation division 25a.In addition, also insulating component 25 can be formed in the mode being formed at gap between circumferentially adjacent end face 24n equal with the gap be formed between circumferentially adjacent end face 25d.In this case, protuberance 28h, 28j abut with end face 24n and end face 25d, thus play the function preventing stator 5 from rotating relative to a wall member 28.In addition, in this case, if configure the part of magnetic quantity transducer 20 clipping between the salient pole front end 24e that protuberance 28j configures, then locate in a circumferential direction to make magnetic quantity transducer 20 by the end face 25d being formed at the part on the downside of salient pole front end 24e that clips the forward end insulation division 25a that protuberance 28j configures and the end face 24n that clips the salient pole front end 24e that protuberance 28j configures.
In addition, also insulating component 25 can be formed in the mode being formed at gap between circumferentially adjacent end face 24n larger than the gap be formed between circumferentially adjacent end face 25d.In this case, protuberance 28h, 28j abut with end face 25d, thus play the function preventing stator 5 from rotating relative to a wall member 28.
In the above-described embodiment, the gap be formed between circumferentially adjacent end face 24n is larger than the width in a circumferential direction of protuberance 28h, 28j.In addition, such as, also can make to be formed at the gap between circumferentially adjacent end face 24n identical with the width in a circumferential direction of protuberance 28h, 28j to be pressed into protuberance 28h, 28j gently.
In the above-described embodiment, the width of magnetic quantity transducer 20 and the width in a circumferential direction of protuberance 28j roughly equal.In addition, such as, the width of magnetic quantity transducer 20 both can be larger than the width in a circumferential direction of protuberance 28j, also can be less than this width.In these cases, as long as the width in a circumferential direction of setting forward end insulation division 25a, with the end face 25d being formed at the part on the downside of salient pole front end 24e by clipping the forward end insulation division 25a that protuberance 28j configures, to make magnetic quantity transducer 20, positioning instant can in a circumferential direction.Or, also can clip the depressed part that the part being formed on the downside of salient pole front end 24e of the forward end insulation division 25a that protuberance 28j configures is formed in circumferentially outstanding protuberance or caves in a circumferential direction, and by this protuberance or depressed part, magnetic quantity transducer 20 located in a circumferential direction.
In the above-described embodiment, be that the terminal of magnetic quantity transducer 20 abuts with the end face 25d of the part be formed on the downside of salient pole front end 24e.In addition, such as, also can be that the sensor part of magnetic quantity transducer 20 abuts with the end face 25d of the part be formed on the downside of salient pole front end 24e.In addition, can also be that the terminal of magnetic quantity transducer 20 and sensor part all abut with the end face 25d of the part be formed on the downside of salient pole front end 24e.
In the above-described embodiment, longer than the length L2 of stator core 24 to the distance L1 of the lower end of periphery wall portion 28b from step surface 28n.In addition, such as, both can be equal with the length L2 of stator core 24 to the distance L1 of the lower end of periphery wall portion 28b from step surface 28n, also can be shorter than the length L2 of stator core 24.
In the above-described embodiment, a wall member 28 is formed with periphery wall portion 28b, but also can form periphery wall portion 28b on a wall member 28.In this case, as long as arrange the component for making multiple segmentation 24c integration unshakable in one's determination separately, and this component is utilized to make multiple segmentation 24c integration unshakable in one's determination.In addition, in the above-described embodiment, insulating component 25 is one-body molded with segmentation 24c unshakable in one's determination, but also the insulating component 25 formed with segmentation 24c split unshakable in one's determination can be installed on and split 24c unshakable in one's determination.
In the above-described embodiment, stator core 24 is made up of multiple segmentation 24c unshakable in one's determination, but stator core 24 also can be the one iron core be integrally formed.Stator is assembled in such as, salient pole portion in this case, by the driving coil being wound in bobbin to be inserted the stator core be integrally formed from radially inner side.In addition, in this case, such as, magnetic quantity transducer 20 is located in a circumferential direction by the end face in a circumferential direction for the bobbin of driving coil winding.When magnetic quantity transducer 20 is along the circumferential direction located by the end face in a circumferential direction of bobbin, a part for a bobbin part for the front end in salient pole portion covered is forward end insulation division.
In the above-described embodiment, motor 1 comprises three magnetic quantity transducers 20, but when motor 1 is two-phase brushless motor, as long as motor 1 comprises two magnetic quantity transducers 20.
Claims (14)
1. a pump-unit, is characterized in that, comprising:
Impeller;
Rotor, installs described impeller on the rotor, and this rotor has driving magnet;
Stator, this stator arrangement is in the outer circumferential side of described rotor, and there is driving coil, insulating component and stator core, wherein, described insulating component is made up of Ins. ulative material, described stator core is formed multiple salient pole portion, this multiple salient pole portion is wound with described driving coil across described insulating component;
Pump chamber, be configured with described impeller and described rotor, and fluid flows through this pump chamber in this pump chamber;
Between wall member, this wall member has partition, and this partition is configured between described stator and described pump chamber with the configuration position preventing the fluid in described pump chamber from flowing into described stator; And
Magnetic quantity transducer, this magnetic quantity transducer is used for detecting the magnetic pole of the outer circumferential face being formed at described driving magnet,
Described salient pole portion gives prominence to towards the radially inner side of described stator core,
Described insulating component comprises forward end insulation division, and a part for the front end in described salient pole portion and salient pole front end covers with the contact preventing described salient pole front end and described driving coil by this forward end insulation division,
Described partition is formed as the bottomed cylindrical with bottom and cylindrical part, and is configured to make described cylindrical part cover the outer circumferential face of described driving magnet,
The outer circumferential face of described cylindrical part is formed multiple protuberance, this multiple protuberance can with the end face circumferentially at described rotor of described salient pole front end and/or described forward end insulation division abut at the end face circumferentially of described rotor the rotation preventing described stator
The described bottom side of described protuberance from the opening side of described partition towards described partition extends, and is configured between multiple described salient pole front end and/or described forward end insulation division,
At least one protuberance in multiple described protuberance be the end face of the described bottom side of described protuberance formed than the end face of the described bottom side of protuberance described in other closer to the first protuberance of the opening side of described partition,
Described magnetic quantity transducer is configured in than described first protuberance more by the position of described bottom side between the described salient pole front end clipping described first protuberance configuration and/or described forward end insulation division, thus is circumferentially located described by described salient pole front end and/or described forward end insulation division.
2. pump-unit as claimed in claim 1, is characterized in that,
Described magnetic sensor configuration between the described forward end insulation division clipping described first protuberance configuration, thus is circumferentially located described by described forward end insulation division.
3. pump-unit as claimed in claim 2, is characterized in that,
The width of described magnetic quantity transducer is substantially equal with the width clipped between described forward end insulation division that described first protuberance configures.
4. pump-unit as claimed in claim 3, is characterized in that,
Described magnetic quantity transducer abuts with the end face of the described bottom side of described first protuberance.
5. pump-unit as claimed in claim 2, is characterized in that,
The described protuberance that the outer circumferential face of described cylindrical part is formed and the front end in described two described salient pole portions adjacent one another are and abutting at the end face circumferentially of described rotor of salient pole front end, thus determine described salient pole front end in described position circumferentially.
6. pump-unit as claimed in claim 1, is characterized in that,
Described stator core is made up of the multiple segmentation iron cores be split to form by each described salient pole portion.
7. pump-unit as claimed in claim 6, is characterized in that,
Described partition comprises from the opening side end of described cylindrical part towards the lip part that the outside of described radial direction expands,
Described wall member comprises cylindric periphery wall portion, and this periphery wall portion is configured at the outer circumferential side of described cylindrical part and erects towards described bottom side from described lip part,
The outer circumferential face of described stator core is contacted by pressure with the inner peripheral surface of described periphery wall portion.
8. pump-unit as claimed in claim 6, is characterized in that,
Described insulating component and described split unshakable in one's determination one-body molded.
9. pump-unit as claimed in claim 7, is characterized in that,
Described stator core comprises: the circular annular portion forming the outer circumferential face of this stator core; And from this annular portion towards the inner side of radial direction outstanding multiple described salient pole portion,
It is unshakable in one's determination by the peripheral part forming described annular portion is formed described segmentation by each described salient pole portion segmentation.
10. pump-unit as claimed in claim 9, is characterized in that,
Described magnetic sensor configuration between the described forward end insulation division clipping described first protuberance configuration, thus is circumferentially located described by described forward end insulation division.
11. pump-units as claimed in claim 9, is characterized in that,
Described magnetic quantity transducer is clamped between the described forward end insulation division of the described insulating component be located on two described segmentation iron cores adjacent one another are, thus is circumferentially located described by described forward end insulation division.
12. pump-units as claimed in claim 9, is characterized in that,
The described protuberance that the outer circumferential face of described cylindrical part is formed and the front end in described two described salient pole portions adjacent one another are and abutting at the end face circumferentially of described rotor of salient pole front end, thus determine described salient pole front end in described position circumferentially.
13. pump-units as claimed in claim 12, is characterized in that,
Described magnetic quantity transducer abuts with the end face of the described bottom side of described first protuberance.
14. pump-units according to any one of claim 1 to 13, is characterized in that,
Fixing projection and location projection is formed in the bottom of described partition, wherein, described fixing be used for the substrate of the terminal connecting described magnetic quantity transducer to be fixed on by projection described between wall member, described location projection is used for positioning described substrate, and described substrate is fixed on the bottom of described partition under the state of being located by described fixing projection and described location projection.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-212417 | 2010-09-22 | ||
| JP2010212417A JP5564377B2 (en) | 2010-09-22 | 2010-09-22 | Pump device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102410231A CN102410231A (en) | 2012-04-11 |
| CN102410231B true CN102410231B (en) | 2015-07-22 |
Family
ID=45912496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110300532.3A Expired - Fee Related CN102410231B (en) | 2010-09-22 | 2011-09-21 | Pump device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5564377B2 (en) |
| CN (1) | CN102410231B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI686539B (en) | 2018-12-07 | 2020-03-01 | 大陸商深圳興奇宏科技有限公司 | Thin type pump structure |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9929614B2 (en) * | 2013-07-02 | 2018-03-27 | Nidec Corporation | Motor with integrated slot liner and bobbin with guides for conductor coils |
| JP6556580B2 (en) * | 2015-09-30 | 2019-08-07 | 日本電産サンキョー株式会社 | Motor and motor manufacturing method |
| JP6576773B2 (en) | 2015-09-30 | 2019-09-18 | 日本電産サンキョー株式会社 | Pump device |
| US11193493B2 (en) | 2016-07-04 | 2021-12-07 | Amotech Co., Ltd. | Water pump |
| KR101968162B1 (en) * | 2016-07-04 | 2019-04-11 | 주식회사 아모텍 | Water pump |
| WO2018008896A1 (en) * | 2016-07-04 | 2018-01-11 | 주식회사 아모텍 | Water pump |
| KR101926474B1 (en) * | 2016-07-04 | 2018-12-07 | 주식회사 아모텍 | Water pump |
| JP2018046613A (en) * | 2016-09-13 | 2018-03-22 | 日本電産サンキョー株式会社 | Motor and pump device |
| JP6382476B1 (en) | 2017-02-24 | 2018-08-29 | 三菱電機株式会社 | Electric motor |
| WO2019167155A1 (en) * | 2018-02-28 | 2019-09-06 | 三菱電機株式会社 | Electric blower, electric vacuum cleaner and hand dryer |
| JP2019193537A (en) * | 2018-04-27 | 2019-10-31 | 日本電産株式会社 | Stator unit, motor, and blower |
| US11035366B2 (en) | 2018-12-17 | 2021-06-15 | Asia Vital Components (China) Co., Ltd. | Thin type pump structure |
| JP6824334B2 (en) * | 2019-06-05 | 2021-02-03 | 三菱電機株式会社 | Stator and motor |
| JP2024031253A (en) * | 2022-08-26 | 2024-03-07 | ニデック株式会社 | pump |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101064444A (en) * | 2006-04-28 | 2007-10-31 | 日本电产株式会社 | Motor and pump having magnetic sensor, connecting method between circuit board having magnetic sensor and stator, and manufacturing method of motor and pump |
| CN101599682A (en) * | 2008-06-02 | 2009-12-09 | 日本电产三协株式会社 | Electronic device and manufacture method thereof |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH081189B2 (en) * | 1985-02-05 | 1996-01-10 | 三洋電機株式会社 | pump |
| JP3112216B2 (en) * | 1993-03-02 | 2000-11-27 | 日本サーボ株式会社 | Canned motor pump |
| JPH09317684A (en) * | 1996-05-30 | 1997-12-09 | Asmo Co Ltd | Fluid pump |
| JPH10108436A (en) * | 1996-09-27 | 1998-04-24 | Hitachi Ltd | Brushless motor and brushless motor pump |
| JP2002153039A (en) * | 2000-11-08 | 2002-05-24 | Toshiba Corp | Permanent magnet type of motor and vacuum cleaner |
| JP2006067729A (en) * | 2004-08-27 | 2006-03-09 | Aisin Seiki Co Ltd | Electric pump |
| JP2007097257A (en) * | 2005-09-27 | 2007-04-12 | Nidec Sankyo Corp | Canned motor and canned pump |
| JP2008022652A (en) * | 2006-07-13 | 2008-01-31 | Nippon Densan Corp | Motor and pump |
| JP5065997B2 (en) * | 2008-05-23 | 2012-11-07 | パナソニック株式会社 | pump |
-
2010
- 2010-09-22 JP JP2010212417A patent/JP5564377B2/en not_active Expired - Fee Related
-
2011
- 2011-09-21 CN CN201110300532.3A patent/CN102410231B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101064444A (en) * | 2006-04-28 | 2007-10-31 | 日本电产株式会社 | Motor and pump having magnetic sensor, connecting method between circuit board having magnetic sensor and stator, and manufacturing method of motor and pump |
| CN101599682A (en) * | 2008-06-02 | 2009-12-09 | 日本电产三协株式会社 | Electronic device and manufacture method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI686539B (en) | 2018-12-07 | 2020-03-01 | 大陸商深圳興奇宏科技有限公司 | Thin type pump structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012067659A (en) | 2012-04-05 |
| CN102410231A (en) | 2012-04-11 |
| JP5564377B2 (en) | 2014-07-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102410231B (en) | Pump device | |
| CN102410230B (en) | Pump-unit | |
| CN102454641B (en) | Pump-unit | |
| JP5360473B2 (en) | Motor and blower fan using the same | |
| CN103812257B (en) | Motor | |
| US9976557B2 (en) | Pump having an integrated electronically commutated direct current motor | |
| US8622722B2 (en) | Fuel pump | |
| CN103004059B (en) | Brushless electric machine and manufacture method thereof | |
| CN101494399B (en) | Motor and motor integrated pump with the motor | |
| US20160013697A1 (en) | Motor | |
| JP6521217B2 (en) | Motor and method of manufacturing motor | |
| JP7293680B2 (en) | motor and blower | |
| JP2013024217A (en) | Pump device | |
| JP5755561B2 (en) | Electric motor and fluid pump | |
| JP2008022652A (en) | Motor and pump | |
| CN110603713A (en) | Electric motor for pressurized fluid environments | |
| US20130154406A1 (en) | Switched reluctance motor assembly | |
| JP5712899B2 (en) | Stator fixing structure | |
| CN114320937B (en) | Pump device | |
| CN110323878A (en) | Motor | |
| CN108292872B (en) | Rotor, motor, air conditioner, and method for manufacturing rotor | |
| JP5048365B2 (en) | Vortex pump | |
| JP2005207320A (en) | Fuel pump | |
| JP3972251B2 (en) | Electric motor and fuel pump using the same | |
| CN116896211A (en) | stator and motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20150722 Termination date: 20200921 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |