CN111555559A - Hall plate assembly and motor - Google Patents
Hall plate assembly and motor Download PDFInfo
- Publication number
- CN111555559A CN111555559A CN202010445710.0A CN202010445710A CN111555559A CN 111555559 A CN111555559 A CN 111555559A CN 202010445710 A CN202010445710 A CN 202010445710A CN 111555559 A CN111555559 A CN 111555559A
- Authority
- CN
- China
- Prior art keywords
- hall plate
- sealing ring
- motor
- assembly
- power line
- 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.)
- Pending
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention provides a Hall plate assembly and a motor, wherein the Hall plate assembly comprises a Hall plate, a power line and a sealing ring, the power line is connected with the Hall plate and used for providing current for the Hall plate, the sealing ring is sleeved on one end of the power line close to the Hall plate, when the sealing ring is arranged in a groove of a stator assembly of the motor, the sealing ring protrudes out of the groove, a sealing end cover of the motor is pressed on the stator assembly of the motor, so that the sealing ring is tightly matched with the groove, and the sealing ring is made of flexible materials. According to the invention, the power line is tightly matched with the sealing end cover by additionally arranging the sealing ring, so that the power line is limited, and the integral sealing property of the motor is enhanced.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a Hall plate assembly and a motor.
Background
Among the prior art, the lead wire of hall plate in the motor is drawn forth from the lead wire groove of stator, there is the clearance between the lead wire of hall plate and the lead wire groove of stator (normally mould plastics the lead wire groove width of stator at 6mm, the hall linewidth is at 4.5mm, there is 0.75 mm's clearance on one side), can't carry on spacingly to the lead wire, in assembling process, operating personnel need taut lead wire, put partially or skew lead wire groove in order to avoid pressfitting in-process lead wire, and the end cover that leads to appears the lead wire pressure break at the in-process of impressing, the condition of crushing wound, the existence in clearance also can lead to insects such as ant to get into the motor simultaneously, cause the motor performance.
Aiming at the problems, the invention designs the Hall plate assembly and the motor, which enable the power line to be tightly matched with the sealing end cover by additionally arranging the sealing ring, thereby limiting the power line and enhancing the whole sealing performance of the motor.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the Hall plate assembly and the motor, and the power line is tightly matched with the sealing end cover by additionally arranging the sealing ring, so that the power line is limited, and the whole sealing performance of the motor is enhanced.
In a first aspect, the invention discloses a hall plate assembly, which comprises a hall plate, a power line and a sealing ring, wherein the power line is connected with the hall plate and used for providing current for the hall plate, the sealing ring is sleeved on one end, close to the hall plate, of the power line, when the sealing ring is arranged in a groove of a stator assembly of a motor, the sealing ring protrudes out of the groove, a sealing end cover of the motor is pressed on the stator assembly of the motor, so that the sealing ring is tightly matched with the groove, and the sealing ring is made of a flexible material.
In one embodiment, the power line is further sleeved with a heat shrink tube, and the sealing ring is sleeved on the heat shrink tube.
The beneficial effects of adopting the above embodiment are: the heat shrinkable tube is arranged to protect the power line.
In one embodiment, the hall plate is provided with a first through hole.
The beneficial effects of adopting the above embodiment are: the rotating shaft of the rotor assembly can penetrate through the first through hole and then is connected to the sealing end cover in a rotating mode.
In one embodiment, the sealing ring is made of a silicon rubber material.
The beneficial effects of adopting the above embodiment are: the silicon rubber material has good toughness.
In a second aspect, the invention also discloses a motor which comprises the Hall plate assembly.
In one embodiment, the sealing device further comprises a stator assembly, a rotor assembly and a sealing end cover, wherein a groove for accommodating the sealing ring and the power line is formed in one end face of the stator assembly, the rotor assembly is arranged in the stator assembly in a matched mode, the sealing end cover is connected with the stator assembly in a matched mode to form a cavity for accommodating the hall plate, and a rotating shaft of the rotor assembly penetrates through the first through hole.
The beneficial effects of adopting the above embodiment are: the Hall plate component is arranged for sensing Hall signals and detecting the rotating speed of the motor.
In one embodiment, the end closure is of a frustoconical configuration.
The beneficial effects of adopting the above embodiment are: for receiving the hall plate and the shaft portion of the rotor assembly.
Compared with the prior art, the invention has the advantages that:
(1) the sealing washer card is established in the recess, has realized spacing to the power cord, has avoided because the skew of power cord, leads to causing the pressure to break or press the wound to the power cord at end cover pressfitting in-process.
(2) The sealing washer card is established in the recess, has stopped up the clearance between power cord and the recess, has increased the holistic leakproofness of motor, can effectively avoid insects such as ant to get into the motor, causes the motor performance harmfully.
The features mentioned above can be combined in various suitable ways or replaced by equivalent features as long as the object of the invention is achieved.
Drawings
The invention will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings. Wherein:
FIG. 1 shows a top view of a Hall plate assembly;
FIG. 2 shows a front view of a Hall plate assembly;
FIG. 3 shows a motor shaft in perspective view;
FIG. 4 shows an exploded view of the motor;
FIG. 5 shows a side view of the motor;
FIG. 6 shows a partial cross-sectional view of the motor at plane A-A;
in the drawings, like parts are provided with like reference numerals. The drawings are not to scale.
10-a hall plate assembly; 11-a Hall plate; 13-a power line; 15-sealing ring; 17-heat shrink tube; 19-a first via; 20-a motor; 21-a stator assembly; 23-a rotor assembly; 25-sealing end cap, 251-clamping part; 253-an accommodating cavity; 255-a second via; 27-grooves.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
As shown in fig. 1 and fig. 2, a hall plate assembly 10 includes a hall plate 11, a power line 13 and a sealing ring 15, where the power line 13 is connected to the hall plate 11 and is used for providing current to the hall plate 11, the sealing ring 15 is sleeved on one end of the power line 13 close to the hall plate 11, when the sealing ring 15 is disposed in a groove 27 of a stator assembly 21 of a motor 20, the sealing ring 15 protrudes out of the groove 27, and a sealing end cover 25 of the motor 20 is pressed on the stator assembly 21 of the motor 20 to realize tight fit between the sealing ring 15 and the groove 27, where the sealing ring 15 is made of a flexible material.
Wherein, still overlap on the power cord 13 and be equipped with pyrocondensation pipe 17, the sealing washer 15 is established on pyrocondensation pipe 17, is equipped with first through-hole 19 on the hall board 11, and sealing washer 15 adopts silicon rubber material to make.
Specifically, in this embodiment, the hall plate 11 is an annular sheet structure, and a first through hole 19 penetrating through the circular structure of the hall plate 11 is provided at a central position of the hall plate 11. One end of the power line 13 is connected to the hall plate 11 for supplying current to the hall plate 11. The power line 13 is sleeved with a heat shrink tube 17, and the heat shrink tube 17 is used for bundling a plurality of power lines 13 together and protecting the power lines 13. The sealing ring 15 is sleeved on the heat shrink tube 17 and is positioned at one end of the power line 13 close to the Hall plate 11. The sealing ring 15 is made of a silicon rubber material, and is specifically made of a silicon rubber material (high-temperature vulcanized silicon rubber or room-temperature vulcanized silicon rubber) through thermal injection molding (the silicon rubber is that a main chain is formed by silicon and oxygen atoms alternately, so that the sealing ring has very good chemical stability, mechanical strength, high-temperature performance and thermal stability, and has good insulating performance).
In one embodiment, the hall plate 11 is further provided with a protrusion, and when the sealing end cover 25 of the motor 20 is pressed on the stator assembly 21 of the motor 20, the protrusion on the hall plate 11 is clamped on the sealing end cover 25.
As shown in fig. 3 to 6, the present invention also discloses a motor 20, which comprises the hall plate assembly 10, a stator assembly 21, a rotor assembly 23 and a seal cover 25. The stator assembly 21 is provided with a groove 27 for accommodating the sealing ring 15 and the power line 13 on one end surface, the rotor assembly 23 is arranged in the stator assembly 21 in a matching way, the sealing end cover 25 is connected with the stator assembly 21 in a matching way to form a cavity for accommodating the hall plate 11, and the rotating shaft of the rotor assembly 23 penetrates through the first through hole 19.
The seal end cover 25 and the stator assembly 21 are connected by a snap-fit connection.
Specifically, in this embodiment, the stator assembly 21 is a cylindrical structure with openings at both ends, and the stator assembly 21 is formed by injection molding of the combined stator (winding and iron core) through unsaturated polyester glass fiber reinforced molding compound.
The hall plate assembly 10 is clamped on one end face of the stator assembly 21, one rotating shaft of the rotor assembly 23 penetrates through the first through hole 19 in the hall plate 11 and then is connected to the sealing end cover 25 in a rotating mode, the sealing end cover 25 is arranged on the end face, provided with the hall plate assembly 10, of the stator assembly 21 in a clamping mode, and the hall plate 11 is completely accommodated in the sealing end cover 25.
The end face of the hall plate assembly 10 on the stator assembly 21 is provided with a through groove, when the sealing end cover 25 of the motor 20 is pressed on the stator assembly 21 of the motor 20, one end of the through groove is located inside the sealing end cover 25, and the other end of the through groove is located outside the sealing end cover 25, so that the inside and outside communication of the sealing end cover 25 is realized. The end of the power line 13 close to the hall plate 11 is sleeved with a sealing ring 15, the sealing ring 15 is clamped at the end of the through groove close to the sealing end cover 25, and the rest part of the power line 13 extends out of the sealing end cover 25 along the groove 27. When the sealing end cover 25 of the motor 20 is pressed on the stator assembly 21 of the motor 20, the sealing ring 15 is tightly matched with the through groove and the sealing end cover 25, so that the power line 13 is limited, the sealing ring 15 can completely block the wire outlet, and the problem that insects such as ants enter the motor 20 to cause poor performance of the motor 20 is avoided.
Wherein, the sealing end cover 25 is a frustum structure.
Specifically, in this embodiment, the sealing end cover 25 is a frustum-shaped structure, and an opening is formed at a larger end of the sealing end cover 25, and a clamping portion 251 is formed at the opening end for realizing the matching clamping with the end of the stator assembly 21. The inside of the end cover 25 is provided with a receiving cavity 253 for receiving the hall plate 11 and the rotating shaft on the rotor assembly 23. The center of the end face of the smaller end of the sealing end cover 25 is provided with a second through hole 255, and the rotating shaft at one end of the rotor assembly 23 penetrates through the first through hole 19 of the hall plate 11 and then is rotatably connected to the second through hole 255 of the sealing end cover 25, so as to support the rotor assembly 23.
In one embodiment, the other end of the stator assembly 21 is provided with an end cap, and the rotating shaft at the other end of the rotor assembly 23 is rotatably connected to the end cap.
In one embodiment, one end of the sealing ring 15 is flush with the notch of the through slot close to the sealing end cover 25, and the other end of the sealing ring is exposed (about 5mm) after the sealing end cover 25 is pressed on the stator assembly 21, so that the phenomenon that the power line 13 is broken and crushed in the pressing process of the sealing end cover 25 is avoided.
In the invention, the limit of the power line 13 is realized by the sealing ring 15, so that an operator can cancel the action of pulling the power line 13 by hand in the assembling process, thereby reducing the labor intensity of the operator.
According to the invention, the sealing ring 15 is additionally arranged, so that the gap between the groove 27 and the power line 13 is effectively made up, and the problem that insects such as ants enter the motor 20 along the gap to cause poor performance of the motor 20 is avoided. Meanwhile, the sealing ring 15 limits the power line 13, and avoids the phenomenon that the power line 13 is broken and crushed in the pressing process of the sealing end cover 25 due to the fact that the power line 13 is pressed and damaged in the deviation generated by the looseness of the power line 13.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.
Claims (8)
1. A Hall plate assembly for an electric machine, comprising:
a Hall plate;
the power line is connected with the Hall plate and is used for providing current for the Hall plate; and
the sealing ring is sleeved on one end, close to the Hall plate, of the power line, and when the sealing ring is arranged in a groove of a stator assembly of the motor, the sealing ring protrudes out of the groove, and a sealing end cover of the motor is pressed on the stator assembly of the motor, so that the sealing ring is tightly matched with the groove;
wherein, the sealing ring is made of flexible material.
2. The Hall plate assembly of claim 1, wherein a heat shrink tube is further sleeved on the power line, and the sealing ring is sleeved on the heat shrink tube.
3. The hall plate assembly of claim 1 or 2, wherein the hall plate is provided with a first through hole.
4. The hall plate assembly of any one of claims 1-3 wherein the seal ring is formed from a silicone rubber material.
5. An electric machine comprising a hall-plate assembly according to any one of claims 1-4.
6. The electric machine of claim 5, further comprising:
the stator assembly is provided with a groove used for accommodating the sealing ring and the power line on one end face;
a rotor assembly cooperatively disposed within the stator assembly; and
the sealing end cover is matched and connected with the stator assembly to form a cavity for accommodating the Hall plate;
wherein, the rotating shaft of the rotor assembly passes through the first through hole.
7. The electric machine of claim 6, wherein the seal end cap is connected to the stator assembly by a snap fit.
8. An electric machine as claimed in claim 6 or 7, wherein the end seal is of frustoconical configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010445710.0A CN111555559A (en) | 2020-05-22 | 2020-05-22 | Hall plate assembly and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010445710.0A CN111555559A (en) | 2020-05-22 | 2020-05-22 | Hall plate assembly and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111555559A true CN111555559A (en) | 2020-08-18 |
Family
ID=72006648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010445710.0A Pending CN111555559A (en) | 2020-05-22 | 2020-05-22 | Hall plate assembly and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111555559A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109660075A (en) * | 2018-12-21 | 2019-04-19 | 珠海凯邦电机制造有限公司 | Hall Plate component, plastic packaging motor and processing method |
| CN209150928U (en) * | 2018-11-27 | 2019-07-23 | 珠海凯邦电机制造有限公司 | Mounting structure, stator module and plastic packaging motor |
| CN110690767A (en) * | 2019-09-17 | 2020-01-14 | 合肥凯邦电机有限公司 | Motor structure and motor of encapsulation stator |
-
2020
- 2020-05-22 CN CN202010445710.0A patent/CN111555559A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209150928U (en) * | 2018-11-27 | 2019-07-23 | 珠海凯邦电机制造有限公司 | Mounting structure, stator module and plastic packaging motor |
| CN109660075A (en) * | 2018-12-21 | 2019-04-19 | 珠海凯邦电机制造有限公司 | Hall Plate component, plastic packaging motor and processing method |
| CN110690767A (en) * | 2019-09-17 | 2020-01-14 | 合肥凯邦电机有限公司 | Motor structure and motor of encapsulation stator |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200818 |
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| RJ01 | Rejection of invention patent application after publication |