CN208489701U - A kind of plastic packaging motor reducing shaft voltage - Google Patents
A kind of plastic packaging motor reducing shaft voltage Download PDFInfo
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- CN208489701U CN208489701U CN201821330017.3U CN201821330017U CN208489701U CN 208489701 U CN208489701 U CN 208489701U CN 201821330017 U CN201821330017 U CN 201821330017U CN 208489701 U CN208489701 U CN 208489701U
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- plastic packaging
- full circle
- shaft voltage
- stator
- grounding pin
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Abstract
The utility model relates to the plastic packaging motors that one kind can reduce shaft voltage, including casing, the plastic packaging stator assembly being fixed in casing, the rotor assembly being rotatably assorted with plastic packaging stator assembly, plastic packaging stator assembly includes plastic packaging shell and is placed in the intracorporal stator module of plastic packaging shell, stator module includes full circle stator core, multipair preceding insulation framework and rear insulation framework, the enameled wire of solderless wrapped connection, it further include conductive end cap, grounding pin, ground line, grounding pin jack is set on plastic packaging shell, the tail end of grounding pin is placed in grounding pin jack and is in contact with full circle stator core, the front end of grounding pin is in contact with the inner wall of conductive end cap, it is grounded and is connected with the outer wall of conductive end cap, so that the shaft voltage generated on full circle stator core can access ground return circuit by ground line.
Description
Technical field
The utility model relates to motor device technical field, especially a kind of plastic packaging motor that can reduce shaft voltage.
Background technique
Plastic packaging motor is that the stator core of motor, winding etc. are carried out whole envelope with engineering plastics using plastic package technology
Dress, can cancel the metal chassis of traditional motor stator insulated treatment process and ordinary motor.This small and special electric machine dust catcher,
The household electrical appliance such as smoke exhaust ventilator, air-conditioning, washing machine and instrument are applied on blower.Both at home and abroad to the development and production of plastic packaging motor
Increasingly pay attention to, its promise well due to having metal shell motor unexistent series of advantages；Since plastic packaging motor uses plastic packaging knot
Structure, plastic packaging rear surface are non-magnet material, and cutting stator after p-m rotor operating generates the induced voltage of different frequency, these
Voltage does not have circuit that can not flow into the earth in non-magnetic structure, more non-uniform magnetic field occurs in magnetic circuit, constantly in magnetic circuit
Middle alternation cutting, generates voltage, i.e. shaft voltage between motor reel both ends or between shaft and bearing block.Generate shaft voltage
The main reason for be due to caused by uneven around the magnetic circuit of motor reel, this unbalanced magnetic flux cuts shaft, just exists
The both ends of axis induce shaft voltage.Shaft voltage not only influences the service life of bearing by shaft, while also will affect motor
How noise specification reduces the shaft voltage of plastic packaging motor, is those skilled in the art's technical problem urgently to be solved.
Utility model content
The technical problem to be solved by the present invention is to provide the plastic packaging motors that a kind of structure can simply reduce shaft voltage.
In order to solve the above technical problems, the plastic packaging motor provided by the utility model for reducing shaft voltage, comprising: casing,
The plastic packaging stator assembly being fixed in the casing, the rotor assembly being rotatably assorted with the plastic packaging stator assembly are described
Plastic packaging stator assembly includes plastic packaging shell and is placed in the intracorporal stator module of plastic packaging shell, and the stator module includes that full circle is fixed
The enameled wire of sub- iron core, multipair preceding insulation framework and rear insulation framework, solderless wrapped connection, further includes conductive end cap, grounding pin, ground line,
Grounding pin jack is set on the plastic packaging shell, the tail end of the grounding pin be placed in the grounding pin jack and with the full circle
Stator core is in contact, and the front end of the grounding pin is in contact with the inner wall of the conductive end cap, the ground line and conducting end
The outer wall of lid is connected, so that the shaft voltage generated on full circle stator core can access ground return circuit by ground line, is reduced with reaching
The purpose of shaft voltage.
Further, if the full circle stator core is formed by dry plate stator punching riveted；The stator punching includes full circle
Outside outer ring plate, multiple radially connected be evenly arranged on the inside of full circle outer ring plate, each radially connected outboard end and the full circle
Ring plate is connected, ring plate in each radially connected inside setting arc, and there are gaps between adjacent arc inner ring piece.
Further, v-notch is arranged in the inside of ring plate in the arc, so that the stator punching riveted is at full circle stator
V-type locating slot is formed in the inner sidewall of full circle stator core after iron core, mitigates full circle stator core weight.
Further, the radially connected both ends are respectively arranged to the rivet hole of insertion riveted nail, the rivet hole
It is rounded, convenient for multiple stator punchings are carried out riveting fixation.
Further, the preceding insulation framework is nested in the front end of the full circle stator core, and rear insulation framework is nested in institute
The rear end of full circle stator core is stated, enameled wire solderless wrapped connection is in forward and backward insulation framework.
Further, it is set between the tail end and the casing of the plastic packaging shell, between the conductive end cap and the casing
Shock absorbing ring is set, to improve the stability of plastic packaging motor.
Further, ring-shaped step is arranged in the leading inside of the plastic packaging shell, and the ring-shaped step and conducting end are covered and set
Multiple compatible threaded connection holes are set, so that the conducting wire end cap and the plastic packaging shell can be connected through external copper screw cap
It connects, is easily installed.
Further, the grounding pin jack extends to plastic packaging along the side wall of the ring-shaped step by the front end face of plastic packaging shell
In shell, it is in contact so that the grounding pin can be inserted into plastic packaging shell along the side wall of ring-shaped step with full circle stator core.
Further, the plastic packaging motor that can reduce shaft voltage further includes conductive seat, and the casing setting is at the conductive bottom
On seat, the ground line is connected with the conductive seat, and the conductive seat and ground face contact are easy to fill to be grounded
Match.
The technical effect of utility model: the plastic packaging motor for reducing shaft voltage of the utility model, compared with the existing technology,
It is connected to the earth by the way that the grounding pin being in contact with full circle stator core is arranged, and by conductive end cap, ground line, whole
It is formed into a loop between circle stator core and the earth, can effectively reduce the shaft voltage on full circle stator core；Grounding pin jack is along ring
The side wall of shape step is arranged, so that grounding pin can be inserted into plastic packaging shell along its side wall, convenient for assembly, while by side wall to grounding pin
Support is formed, sound construction is easy to grounding pin carrying out contact with conductive end cap to be connected, can prevent grounding pin from connecing with conductive end cap
It touches bad.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings of the specification:
Fig. 1 is the schematic diagram of the section structure for the plastic packaging motor that the utility model can reduce shaft voltage；
Fig. 2 is the right view for the plastic packaging motor that the utility model can reduce shaft voltage；
Fig. 3 is the schematic perspective view of the plastic packaging stator assembly of the utility model；
Fig. 4 is the schematic diagram of the section structure of the plastic packaging stator assembly of the utility model；
Fig. 5 is the configuration schematic diagram of the plastic packaging stator assembly of the utility model；
Fig. 6 is the schematic perspective view of the full circle stator core of the utility model.
In figure: casing 1, rotor assembly 2, rotor 21, full circle stator core 3, around line chamber 30, full circle outer ring plate 31 is radial
Connection sheet 32, ring plate 33 in arc, preceding insulation framework 34, rear insulation framework 35, contact pin mounting plate 36, contact pin 37, plastic packaging shell
4, grounding pin jack 41, ring-shaped step 42, threaded connection hole 43, grounding pin 44, conductive seat 5, axis hole BB lid 6, ball bearing
7, shock absorbing ring 8, conductive end cap 9, ground line 91.
Specific embodiment
Embodiment 1
As shown in Figure 1 to Figure 2, the plastic packaging motor for reducing shaft voltage of the present embodiment includes plastic packaging stator assembly, rotor
Assembly 2, casing 1, conductive end cap 9, grounding pin 44, ground line 91.
Wherein plastic packaging stator assembly includes stator module and plastic packaging shell 4, and plastic packaging shell 4 is wrapped in outside stator module, fixed
Sub-component includes the enameled wire of full circle stator core 3, the preceding insulation framework 34 being arranged in pairs and rear insulation framework 35, solderless wrapped connection, such as
Shown in Fig. 6, if wherein full circle stator core 3 is formed by dry plate stator punching riveted；Stator punching include full circle outer ring plate 31,
Multiple radially connected 32 on the inside of full circle outer ring plate of cloth, each radially connected 32 outboard end and 31 phase of full circle outer ring plate
Connect, ring plate 33 in each radially connected 32 inside setting arc, there are gaps between adjacent arc inner ring piece 33；Arc inner ring
V-notch 38 is arranged in the inside of piece 33 so that stator punching riveted at after full circle stator core in the inside of full circle stator core 3
Wall forms V-type locating slot, mitigates 3 weight of full circle stator core；Radially connected 32 both ends are respectively arranged to insertion riveted
The rivet hole 39 of nail, rivet hole 39 is rounded, convenient for multiple stator punchings are carried out riveting fixation.
It is formed between adjacent radial connection sheet around line chamber 30 after stator punching riveting；Each preceding insulation framework 34 is nested in full circle
The front end of stator core 3, rear insulation framework 35 are nested in the rear end of full circle stator core 3, and enameled wire solderless wrapped connection is in preceding insulation framework
34, in line chamber 30, rear insulation framework 35, to form stator module.
As shown in Figures 3 to 5, when plastic packaging stator general assembly, stator module processes plastic packaging on its surface by injection molding machine
Shell 4, so that stator module is placed in plastic packaging shell 4；Ring-shaped step 42, ring-shaped step is arranged in the leading inside of plastic packaging shell 4
The contact pin connecting plate 36 for installing contact pin 37 is fixedly installed on 42, so that contact pin 37 can be conveniently installed at contact pin connecting plate 36
On, one end of contact pin 37 and external power electric connection, the other end are connected with enameled wire, so that enameled wire can after power supply conducting
Form hot-wire coil；Plastic packaging shell 4, which is equipped with, is suitable for the grounding pin jack 41 that grounding pin 44 passes through, and the grounding pin jack 41 is by moulding
The front end face of capsule body 4 extends in plastic packaging shell 4 along the side wall of ring-shaped step 42, so that grounding pin 41 can be along ring-shaped step 42
Side wall insertion plastic packaging shell 4 in be in contact with full circle stator core.
Plastic packaging stator assembly is placed in casing 1, and tail end sealing of the tail end of plastic packaging shell 4 through axis hole BB lid 6 Yu casing 1
The forward end seal of cooperation, conductive end cap 9 and casing 1 cooperates, and rotor assembly 2 includes rotor 21 and is fixed at 21 both ends of rotor
Shaft, the shaft of 21 front end of rotor is rotatably assorted through ball bearing 7 and conductive end cap 9, and the shaft of 21 tail end of rotor is through ball
Bearing 7 and axis hole BB lid 6 is rotatably assorted, so that rotor 21 is rotatably provided in plastic packaging stator assembly, and the shaft at both ends point
It Shen Chu not plastic packaging shell 4 and the conductive setting of end cap 9；The tail end of grounding pin 44 is inserted into plastic packaging shell 4 along grounding pin jack 41 and is arranged,
And the front end of grounding pin 44 is in contact with the inner wall of conductive end cap 9, ground line 91 is connected with the outer wall of conductive end cap 9, so that whole
The shaft voltage generated on circle stator core can be by 91 access ground return circuit of ground line, to achieve the purpose that reduce shaft voltage.
Preferably, 3 compatible threaded connection holes 43 are arranged on ring-shaped step 42 and conductive end cap 6, so that conducting wire
End cap 9 and plastic packaging shell 4 can be attached through external copper screw cap, be easily installed.
Preferably, shock absorbing ring 8 is set between the tail end and casing 1 of plastic packaging shell 4, between conductive end cap 9 and casing 1,
To improve the stability of plastic packaging motor.
Preferably, the plastic packaging motor that can reduce shaft voltage further includes conductive seat 5, casing 1 is arranged in conductive seat 5
On, ground line 91 is connected through Cross Recess Head Screw with conductive seat 5, conductive seat 5 and ground face contact, to be grounded,
It is easily assembled.
Obviously, above-described embodiment is merely examples for clearly illustrating the present invention, and is not to this reality
With the restriction of novel embodiment.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.And these
Belong to the spiritual changes and variations that derived from of the utility model still in the protection scope of the utility model
Among.
Claims (8)
1. the plastic packaging motor that one kind can reduce shaft voltage characterized by comprising casing is fixed in the casing
Plastic packaging stator assembly, the rotor assembly being rotatably assorted with the plastic packaging stator assembly, the plastic packaging stator assembly include plastic packaging shell
Body and it is placed in the intracorporal stator module of plastic packaging shell, the stator module includes full circle stator core, multipair preceding insulation framework
With the enameled wire of rear insulation framework, solderless wrapped connection, further includes conductive end cap, grounding pin, ground line, ground connection is set on the plastic packaging shell
Needle jack, the tail end of the grounding pin is placed in the grounding pin jack and is in contact with the full circle stator core, described to connect
The front end of ground needle is in contact with the inner wall of the conductive end cap, and the ground line is connected with the outer wall of conductive end cap, so that full circle
The shaft voltage generated on stator core can access ground return circuit by ground line.
2. the plastic packaging motor according to claim 1 for reducing shaft voltage, which is characterized in that the full circle stator core by
If dry plate stator punching riveted forms；The stator punching include full circle outer ring plate, be evenly arranged on it is multiple on the inside of full circle outer ring plate
Radially connected, each radially connected outboard end is connected with the full circle outer ring plate, and arc is arranged in each radially connected inside
Ring plate in shape, there are gaps between adjacent arc inner ring piece.
3. the plastic packaging motor according to claim 2 for reducing shaft voltage, which is characterized in that ring plate is interior in the arc
V-notch is arranged in side, so that the stator punching riveted forms V in the inner sidewall of full circle stator core at after full circle stator core
Type locating slot.
4. the plastic packaging motor according to claim 3 for reducing shaft voltage, which is characterized in that the two of described radially connected
End is respectively arranged to the rivet hole of insertion riveted nail, and the rivet hole is rounded.
5. the plastic packaging motor according to claim 4 for reducing shaft voltage, which is characterized in that the tail end of the plastic packaging shell
Shock absorbing ring is set between the casing, between the conductive end cap and the casing.
6. the plastic packaging motor according to claim 5 for reducing shaft voltage, which is characterized in that the front end of the plastic packaging shell
Ring-shaped step is arranged in inside, and the ring-shaped step and conducting end cover the multiple compatible threaded connection holes of setting.
7. the plastic packaging motor according to claim 6 for reducing shaft voltage, which is characterized in that the grounding pin jack is by moulding
The front end face of capsule body extends in plastic packaging shell along the side wall of the ring-shaped step, so that the grounding pin can be along ring-shaped step
Side wall insertion plastic packaging shell in be in contact with full circle stator core.
8. the plastic packaging motor according to claim 7 for reducing shaft voltage, which is characterized in that it further include conductive seat, institute
It states casing to be arranged on the conductive seat, the ground line is connected with the conductive seat, the conductive seat and ground
Contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821330017.3U CN208489701U (en) | 2018-08-16 | 2018-08-16 | A kind of plastic packaging motor reducing shaft voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821330017.3U CN208489701U (en) | 2018-08-16 | 2018-08-16 | A kind of plastic packaging motor reducing shaft voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208489701U true CN208489701U (en) | 2019-02-12 |
Family
ID=65247580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821330017.3U Active CN208489701U (en) | 2018-08-16 | 2018-08-16 | A kind of plastic packaging motor reducing shaft voltage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208489701U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110011484A (en) * | 2019-05-07 | 2019-07-12 | 嵊州市米格电机有限公司 | A kind of Full-plastics sealed motor with ground |
| CN110514999A (en) * | 2019-09-04 | 2019-11-29 | 青岛艾普智能仪器有限公司 | A kind of motor stator coil single-point damage testing method |
-
2018
- 2018-08-16 CN CN201821330017.3U patent/CN208489701U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110011484A (en) * | 2019-05-07 | 2019-07-12 | 嵊州市米格电机有限公司 | A kind of Full-plastics sealed motor with ground |
| CN110514999A (en) * | 2019-09-04 | 2019-11-29 | 青岛艾普智能仪器有限公司 | A kind of motor stator coil single-point damage testing method |
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