CN209571885U - The circular brushless motor stator of single line - Google Patents

Abstract

The utility model is；One bobbin is set on a wherein open end for the core body, and the bobbin includes a substrate and multiple convex blocks, and multiple convex block is set to a upper surface of the substrate；Multiple magnetic pole columns, are set on an inner ring surface of the core body；One electromagnetic coil, one line of energy is wound on the substrate, multiple convex block and multiple magnetic pole column, wherein one first line segment, a second line segment and a third line segment are respectively formed in three empty slots of the electromagnetic coil between convex block, the end U, the end V, the end W of contact motor are respectively corresponded, to reduce the spot welding number for being welded in a terminal plate.

Description

The circular brushless motor stator of single line

Technical field

A kind of brushless motor stator refers in particular to a kind of brushless motor stator that single line is circular.

Background technique

General brushless motor stator includes a stator core and multiple electromagnetic coils, and the inner ring surface of the stator core is equipped with A wherein opening for six groups of electromagnetism columns, the stator core is equipped with a bobbin.Multiple electromagnetic coil court is wound in this six groups On electromagnetism column and the bobbin.

It is all that multiple electromagnetic coil is sequentially wound in this six groups during making general brushless motor stator On multiple convex blocks on electromagnetism column and the bobbin, and make multiple electromagnetic coil be respectively formed between each convex block U phase, V phase, Equal three mains terminals of W.

When carrying out above-mentioned processing procedure, in order to touch equal three mains terminals of U phase, V phase, W with corresponding external terminal Short circuit, and each electromagnetic coil is allowed to be powered, it is necessary to each electromagnetic coil is respectively wound around on the corresponding electromagnetism column, and due to each Electromagnetic coil is entwined by an electromagnetism metal wire, and every electromagnetism metal wire has two-end-point, must be by every electromagnetism metal wire Two-end-point is welded to respectively on a terminal plate, then is powered by the route on external power supply butted line plate, after so that motor stator is powered Drive rotor rotation.

It but since the two-end-point of every electromagnetism metal wire all needs to be powered, be welded to the two-end-point of each electromagnetic coil must On the terminal plate, electric power is transmitted by the terminal plate, each endpoint is considerably time-consuming with terminal plate welding one by one, also hold The mistake being also easy to produce in welding.

Utility model content

For working hour and the process for reducing production brushless motor stator, the utility model proposes a kind of circular brushless horses of single line Three sections of electromagnetic coil line segments that up to stator, single electromagnetic coil is wound on stator core, and three end power supply lines will be formed A line pulls out respectively, reduces the number with the terminal plate spot welding.

To reach above-mentioned purpose, the circular brushless motor stator of the provided single line of the utility model includes:

One stator core includes:

One core body has two opposite open ends and opposite an outer ring surface and an inner ring surface；

One bobbin is set on a wherein open end for the core body, and the bobbin includes a substrate and multiple Convex block, multiple convex block are set to a upper surface of the substrate, form multiple empty slots between each convex block；

Multiple magnetic pole columns, are set on the inner ring surface of the core body；

One electromagnetic coil, a line are wound on the substrate, multiple convex block and multiple magnetic pole column, and by wherein three empty slot Three line segments are extended to form to the outer ring surface direction respectively, which is respectively the motor output line at the end U, the end V, the end W.

The circular brushless motor stator of single line as mentioned, puts altogether weld tabs wherein further including, which is set to Wherein in an empty slot, wherein one line of electromagnetic coil is wound in the substrate, multiple convex block, multiple magnetic pole column and pile warp and connects Touch the concurrent weld tabs.

The circular brushless motor stator of single line as mentioned, multiple convex block include one first convex block, one second convex block, one Third convex block, one the 4th convex block, one the 5th convex block, one the 6th convex block, one the 7th convex block and one the 8th convex block；First convex block, Second convex block, the third convex block, the 4th convex block, the 5th convex block, the 6th convex block, the 7th convex block and the 8th convex block It is sequentially arranged at intervals on the substrate in mode counterclockwise, makes to form one first sky between first convex block and second convex block Slot forms one second empty slot, forms one between the third convex block and the 4th convex block between second convex block and the third convex block Third empty slot.

The circular brushless motor stator of single line as mentioned wherein forms one the between first convex block and second convex block One empty slot forms one second empty slot, shape between the third convex block and the 4th convex block between second convex block and the third convex block At a third empty slot, one the 4th empty slot, the 7th convex block and the 8th convex block are formed between the 6th convex block and the 7th convex block Between formed one the 5th empty slot.

The circular brushless motor stator of single line as mentioned, multiple magnetic pole column include one first magnetic pole column, one second magnetic Pole, a third magnetic pole column, one the 4th magnetic pole column, one the 5th magnetic pole column and one the 6th magnetic pole column, the first magnetic pole column, this second Magnetic pole column, third magnetic pole column, the 4th magnetic pole column, the 5th magnetic pole column and the 6th magnetic pole column equispaced are set to the iron The inner ring surface of core ontology.

The circular brushless motor stator of single line as mentioned, the concurrent weld tabs are set in the 4th empty slot.

The circular brushless motor stator of single line as mentioned, the electromagnetic coil elder generation pile warp and contacts the concurrent weld tabs, and by 5th empty slot enters the inner ring surface of the core body, sequentially winds the first magnetic pole column, from first empty slot to the outer ring Face extend to form one first line segment, wind the 4th magnetic pole column, pile warp and contact the concurrent weld tabs, wind the second magnetic pole column, A second line segment is extended to form, the 5th magnetic pole column, pile warp are wound and is contacted concurrent weldering from second empty slot to the outer ring surface Piece winds the third magnetic pole column, extends to form a third line segment from the third empty slot to the outer ring surface, winds the 6th magnetic pole Column, pile warp and the concurrent weld tabs is contacted, finally again welds the electromagnetic coil and the concurrent weld tabs contact position and the concurrent weld tabs It connects.

The circular brushless motor stator of single line as mentioned, first line segment, the second line segment and third line segment difference For the motor output line at the end U of motor, the end V, the end W.

The circular brushless motor stator of single line as mentioned, each convex block have an opposite inner surface and an outer surface, In each convex block inner ring surface of the inner surface towards the core body, the outer ring surface of the outer surface of each convex block towards the core body； More than one ladder block is equipped on the outer surface of each convex block, which is strip block, and parallel It is set to the direction of winding of the electromagnetic coil, to demixing zone every the electromagnetic coil for being wound in each convex block.

The technological means that the electromagnetic coil of the utility model uses a line to wind, is wrapped in this for one line of electromagnetic coil Between multiple magnetic pole columns, multiple empty slot and multiple convex block, without separated winding electromagnetic coil to form the end U, the end V, the end W Output line, it is more convenient in production.

Further, the electromagnetic coil of the utility model directly extends the end U, the end V, the end W output line of corresponding motor First line segment, the second line segment and the third line segment, allow first line segment, the second line segment and the third line segment can be direct It is powered with three end in contact of motor, only needs that the electromagnetic coil partial line section of the common-battery weld tabs will be passed through when carrying out spot welding operation It is welded jointly using the concurrent weld tabs, spot welding quantity is greatly decreased.And first line segment, the second line segment and the third line segment by It is powered in directly contact, does not need to be powered after welding with terminal plate, also can be reduced the cost using terminal plate；Meanwhile it making The electromagnetic coil need not be cut in journey, it is only necessary to original electromagnetic coil is extended outwardly bracing wire in the specific empty slot, it can The output line for forming the end U, the end V, the end W, it is relatively simple in production.

Detailed description of the invention

Fig. 1: first stereo appearance figure of preferred embodiment of the utility model.

Fig. 2: the bobbin stereo appearance figure of the utility model preferred embodiment.

Fig. 3: the top view of the utility model preferred embodiment.

Fig. 4: the second stereo appearance figure of the utility model preferred embodiment.

Fig. 5: using the motor three-dimensional appearance schematic diagram of the utility model.

Specific embodiment

The preferred embodiment for cooperating schema and the utility model below, it is to reach to make a reservation in fact that the utility model, which is further described, The technological means taken with novel purpose.

Referring to Figure 1, the circular brushless motor stator of the utility model single line includes: a stator core 10 and an electromagnetic wire Circle 20.

The stator core 10 includes a core body 11, a bobbin 13 and multiple magnetic pole columns 15.The core body 11 is One hollow cylinder, and there is two opposite open ends and opposite an outer ring surface and an inner ring surface.

Please further referring to fig. 2, which is a cyclic annular frame body, and is set to wherein one opening for the core body 11 On mouth end.The bobbin 13 includes a substrate 139 and multiple convex blocks, which is in hollow and annular, and includes on opposite one Surface and a lower surface, the lower surface can be embedded on a wherein open end for the core body 11.Multiple convex block can be by this The upper surface of substrate 139 integrally extends to form, and multiple empty slots are formed between each convex block.In the preferred embodiment of the utility model In, multiple convex block may include one first convex block 131, one second convex block 132, a third convex block 133, one the 4th convex block 134, one 5th convex block 135, one the 6th convex block 136, one the 7th convex block 137 and one the 8th convex block 138.First convex block 131, this is second convex Block 132, the third convex block 133, the 4th convex block 134 and the 5th convex block 135, the 6th convex block 136, the 7th convex block 137 And the 8th convex block 138 be sequentially arranged at intervals on the substrate 139 in mode counterclockwise, make first convex block 131 and this One first empty slot 13A is formed between two convex blocks 132, and one second empty slot is formed between second convex block 132 and the third convex block 133 13B, forms a third empty slot 13C between the third convex block 133 and the 4th convex block 134, the 6th convex block 136 and the 7th convex One the 4th empty slot 13D is formed between block 137, and one the 5th empty slot 13E is formed between the 7th convex block 137 and the 8th convex block 138.

As shown in Figures 2 and 3, multiple 15 equispaced of magnetic pole column is set to the inner ring surface of the core body 11, In each magnetic pole column 15 include a teeth portion 151 and a boots portion 153.The teeth portion 151 can be by the inner ring surface one of the core body 11 It extends to form；The boots portion 153 is set in the teeth portion 151, so that the electromagnetic coil 20 is around fixation.The utility model compared with In good embodiment, include six magnetic pole columns 15, by taking the direction of Fig. 3 as an example, by counter clockwise direction rise be one first magnetic pole column 15A, One second magnetic pole column 15B, a third magnetic pole column 15C, one the 4th magnetic pole column 15D, one the 5th magnetic pole column 15E and one the 6th magnetic pole column 15F。

Shown in as shown in Figure 2, Figure 3 and Figure 4, which is wound in the substrate 139, multiple convex block and multiple In the teeth portion 151 of magnetic pole column 15.Wherein point weld tabs 30 altogether can be equipped in the 4th empty slot 13D；The concurrent weld tabs 30 is set It sets and is not limited with the 4th empty slot 13D, but also may be disposed in other empty slots.In the preferred embodiment of the utility model, in detail Thin winding sequence is as described below: the electromagnetic coil 20 by the right of Fig. 3 by the 4th empty slot 13D the concurrent weld tabs 30 Begin to wind, and is contacted with the concurrent weld tabs 30.Then the electromagnetic coil 20 enters the core body 11 by the 5th empty slot 13E The inner ring surface sequentially winds the first magnetic pole column 15A, extends from the first empty slot 13A to the outer ring surface of the core body 11 One first line segment 21 is formed, the 4th magnetic pole column 15D, pile warp is wound and contacts the concurrent weld tabs 30, winds the second magnetic pole column 15B, a second line segment 22 is extended to form from the second empty slot 13B to the outer ring surface of the core body 11, winds the 5th magnetic It pole 15E, pile warp and contacts the concurrent weld tabs 30, wind third magnetic pole column 15C, from the third empty slot 13C to the iron core sheet The outer ring surface of body 11 extends to form a third line segment 23, winds the 6th magnetic pole column 15F, pile warp and contact the concurrent weld tabs 30, and by the left outlet of Fig. 3, coiling is completed, finally again by the electromagnetic coil 20 and 30 contact position of concurrent weld tabs and this Concurrent weld tabs 30 welds.By above-mentioned spooling step it is found that the electromagnetic coil 20 multiple pile warp concurrent during winding welds Piece 30, in the preferred embodiment of the utility model, which has four times during winding welds by the concurrent Piece 30, that is, the concurrent weld tabs 30 has the four sections electromagnetic coil 20 by welding to form electrical connection.

Fig. 4 is referred to, in the preferred embodiment of the utility model, the electromagnetic coil 20 is in coiling through first empty slot 13A, the second empty slot 13B and when third empty slot 13C, which each extends over out first line segment 21 outward, should Second line segment 22 and the third line segment 23.First line segment 21, the second line segment 22 and the third line segment 23 each can represent horse The motor output line at the end U, the end V, the end W that reach does not need other terminal plate for first line segment 21, the second line segment 22 and is somebody's turn to do Third line segment 23 is welded and fixed.

Further, each convex block is respectively provided with opposite an inner surface and an outer surface, the inner surface direction of each convex block The inner ring surface of the core body 11, the outer ring surface of the outer surface of each convex block towards the core body 11.In the appearance of each convex block More than one ladder block 14 can be formed on face, which can be strip block, and be arranged in parallel in this The direction of winding of electromagnetic coil 20 avoids the electromagnetic coil 20 to make 20 layered windings of electromagnetic coil in multiple convex block It mutually winds and knots.More than one 14 quantity of ladder block on each convex block can not be identical, such as on first convex block 131 Equipped with a ladder block 14,133 are equipped with two ladder blocks 14, and the setting of two ladder block 14 interval on the third convex block.

Fig. 5 is referred to, is the three-dimensional appearance schematic diagram of a motor, which can be by a protective shell 40 and the utility model Stator is constituted, and wherein the protective shell 40 includes a carrier 41 and a upper cover 42.41 center of carrier forms an accommodating space, uses To place the utility model；The upper cover 42 can be locked on the carrier 41 with screw, and covers the stator.The side of the upper cover 42 Multiple perforation 425 can be formed, wherein a perforation 425 is to make the concurrent weld tabs 30 be exposed to the upper cover 42.The upper table of the upper cover 42 Multiple conductive sheets are arranged in face, and in the preferred embodiment of the utility model, the upper surface of the upper cover 42 is equipped with one first conductive sheet 421, one second conductive sheet 422 and a third conductive sheet 423, first conductive sheet 421, second conductive sheet 422 and the third Conductive sheet 423 can be locked in the upper surface of the upper cover 42 using screw, wherein first line segment 21, the second line segment 22 and this Three line segments 23 are electrically connected with the first conductive sheet 421, second conductive sheet 422 and the third conductive sheet 423 respectively, external to allow Power supply by first conductive sheet 421, second conductive sheet 422 and the third conductive sheet 423 to first line segment 21, this Two line segments 22 and the third line segment 23 power supply.Motor disclosed by Fig. 5 is upper identical as general motor in application, is mountable to electricity On the vehicle frame of motivation vehicle, or it is applied to various electronic, Pneumatic hand tools.

The above is only the preferred embodiment of the utility model, not does in any form to the utility model Limitation, although the utility model has been disclosed with preferred embodiment as above, is not intended to limit the utility model, any to be familiar with Professional and technical personnel, in the range of not departing from technical solutions of the utility model, when in the technology using the disclosure above Hold the equivalent embodiment made a little change or be modified to equivalent variations, but all without departing from technical solutions of the utility model Hold, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, still It is within the scope of the technical solutions of the present invention.

Claims (9)

1. a kind of brushless motor stator that single line is circular, characterized by comprising:

One stator core includes:

One core body has two opposite open ends and opposite an outer ring surface and an inner ring surface；

One bobbin is set on a wherein open end for the core body, and the bobbin includes a substrate and multiple convex blocks, Multiple convex block is set to a upper surface of the substrate, forms multiple empty slots between each convex block；

Multiple magnetic pole columns, are set on the inner ring surface of the core body；

One electromagnetic coil, a line are wound on the substrate, multiple convex block and multiple magnetic pole column, and are distinguished by wherein three empty slots Three line segments are extended to form to the outer ring surface direction, which is respectively the motor output line at the end U, the end V, the end W.

2. the circular brushless motor stator of single line according to claim 1, which is characterized in that wherein further include spot welding altogether Piece, the concurrent weld tabs are disposed therein in an empty slot, and wherein one line of electromagnetic coil is wound in the substrate, multiple convex block, is somebody's turn to do Multiple magnetic pole columns and pile warp and contact the concurrent weld tabs.

3. the circular brushless motor stator of single line according to claim 2, which is characterized in that multiple convex block includes one the One convex block, one second convex block, a third convex block, one the 4th convex block, one the 5th convex block, one the 6th convex block, one the 7th convex block and one 8th convex block；First convex block, the third convex block, the 4th convex block, the 5th convex block, the 6th convex block, is somebody's turn to do at second convex block 7th convex block and the 8th convex block are sequentially arranged at intervals on the substrate in mode counterclockwise.

4. the circular brushless motor stator of single line according to claim 3, which is characterized in that wherein first convex block with should One first empty slot is formed between second convex block, forms one second empty slot between second convex block and the third convex block, and the third is convex A third empty slot is formed between block and the 4th convex block, and one the 4th empty slot is formed between the 6th convex block and the 7th convex block, it should One the 5th empty slot is formed between 7th convex block and the 8th convex block.

5. the circular brushless motor stator of single line according to claim 4, which is characterized in that multiple magnetic pole column includes one First magnetic pole column, one second magnetic pole column, a third magnetic pole column, one the 4th magnetic pole column, one the 5th magnetic pole column and one the 6th magnetic pole column, The first magnetic pole column, the second magnetic pole column, third magnetic pole column, the 4th magnetic pole column, the 5th magnetic pole column and the 6th magnetic pole Column equispaced is set to the inner ring surface of the core body.

6. the circular brushless motor stator of single line according to claim 5, which is characterized in that the concurrent weld tabs is set to this In 4th empty slot.

7. the circular brushless motor stator of single line according to claim 6, which is characterized in that the electromagnetic coil elder generation pile warp and Contact the concurrent weld tabs, and enter the inner ring surface of the core body by the 5th empty slot, sequentially wind the first magnetic pole column, by First empty slot to the outer ring surface extend to form one first line segment, wind the 4th magnetic pole column, pile warp and contact the concurrent weld tabs, Wind the second magnetic pole column, from second empty slot to the outer ring surface extend to form a second line segment, wind the 5th magnetic pole column, around Through and contact the concurrent weld tabs, wind the third magnetic pole column, from the third empty slot to the outer ring surface extend to form a third line segment, It winds the 6th magnetic pole column, pile warp and contact to weld with the concurrent weld tabs, finally again connects the electromagnetic coil and the concurrent weld tabs It touches position and the concurrent weld tabs welds.

8. the circular brushless motor stator of single line according to claim 7, which is characterized in that first line segment, this second Line segment and the third line segment are respectively the motor output line at the end U of motor, the end V, the end W.

9. the circular brushless motor stator of single line according to claim 8, which is characterized in that each convex block has opposite one Inner surface and an outer surface, wherein inner ring surface of the inner surface of each convex block towards the core body, the outer surface direction of each convex block The outer ring surface of the core body；More than one ladder block, the more than one ladder are equipped on the outer surface of each convex block Block is strip block, and is arranged in parallel in the direction of winding of the electromagnetic coil, to demixing zone every the electricity for being wound in each convex block Magnetic coil.