CN110474488A - Motor skeleton, motor and electrical equipment - Google Patents
Motor skeleton, motor and electrical equipment Download PDFInfo
- Publication number
- CN110474488A CN110474488A CN201910758781.3A CN201910758781A CN110474488A CN 110474488 A CN110474488 A CN 110474488A CN 201910758781 A CN201910758781 A CN 201910758781A CN 110474488 A CN110474488 A CN 110474488A
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- motor
- segment
- mounting hole
- iron core
- lug plate
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 61
- 238000010276 construction Methods 0.000 claims abstract description 40
- 238000009434 installation Methods 0.000 claims description 7
- 238000004378 air conditioning Methods 0.000 claims description 4
- 210000000988 bone and bone Anatomy 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
- H02K11/02—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for suppression of electromagnetic interference
-
- 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
- H02K11/30—Structural association with control circuits or drive circuits
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Motor Or Generator Frames (AREA)
Abstract
This application discloses a kind of motor skeleton, motor and electrical equipments.Wherein motor includes iron core and controller, and the controller has PGND terminal；The motor skeleton includes two skeletons for being oppositely arranged on the iron core both ends；In described two skeletons, one of them is provided with the first wiring construction；First wiring construction, for the PGND terminal to be electrically connected with the iron core.PGND terminal can be electrically connected on the iron core of motor by the first wiring construction, so, the earth is acted as by iron core, to which reliably the interference signal in controller be introduced in iron core, realize internal consumption, rather than it is discharged into outside, the electromagnetic interference between the external world is avoided, EMC anti-interference ability is improved.
Description
Technical field
This application involves technical field of motors more particularly to a kind of motor skeletons, motor and electrical equipment.
Background technique
Motor has been widely used for the electrical equipments such as air-conditioning, dehumidifier, warm-air drier, air purifier.
In the related technology, it is provided with controller in some motors, which can play infomation detection, feedback, logic
The effects of processing, control, driving.Generally, to the Electro Magnetic Compatibility of electrical equipment (Electro Magnetic
Compatibility, EMC) there is stringent national standard, for the motor for being provided with controller, different controllers
The plan of establishment has different influences to the EMC test result of motor load complete machine, during the test, the motor with controller
EMC test failure quantity it is more, i.e., it is enabled from circuit-board laying-out, increase or to change electronic component, increase magnet ring etc.
Aspect is improved, but effect is bad, and EMC anti-interference ability is not strong.
Summary of the invention
The purpose of the application is to provide a kind of motor skeleton, motor and electrical equipment, to solve motor in the related technology
The not strong problem of EMC anti-interference ability.
The purpose of the application is achieved through the following technical solutions:
A kind of motor skeleton is applied in motor, and the motor includes iron core and controller, and the controller has PGND
Terminal；
The motor skeleton includes two skeletons for being oppositely arranged on the iron core both ends；
In described two skeletons, one of them is provided with the first wiring construction；
First wiring construction, for the PGND terminal to be electrically connected with the iron core.
Optionally, first wiring construction includes lug plate, the mounting hole with lug plate cooperation；
The mounting hole is provided on the skeleton；
The lug plate is installed in the mounting hole, for the PGND terminal to be electrically connected with the iron core.
Optionally, the lug plate includes first segment, second segment, third section；
The first segment is located at the mounting hole far from the iron core side, for connecting with the PGND terminal；
The second segment is located in the mounting hole, for installing the fixed lug plate；
The third section is located at the mounting hole close to the iron core side, is used for and the iron core conductive contact.
Optionally, the second segment is provided with buckle close to the side of the third section；The buckle and the mounting hole
Hole wall offset with the fixation lug plate.
Optionally, the width of the third section is greater than the width of the first segment, the second segment；
The lug plate is inserted by the mounting hole close to the iron core side, when being installed in place, by the third section
Limit is fixed.
Optionally, the width of the first segment is respectively smaller than the width of the second segment and the width of the third section.
Optionally, the third section protrudes from the mounting hole.
Optionally, the thickness of the third section is respectively greater than the thickness of the second segment and the thickness of the first segment.
Optionally, the first segment and the second segment are arranged along same straight line, and the third section intersects at described respectively
First segment and the second segment.
Optionally, the lug plate is T shape lug plate, and the mounting hole is T shape mounting hole；
Alternatively, the lug plate is L shape lug plate, the mounting hole is L shape mounting hole.
Optionally, the skeleton is ring skeleton；
Axial direction setting of the mounting hole along the skeleton.
Optionally, it is provided on the skeleton of first wiring construction and is additionally provided with the second wiring construction；
Second wiring construction, for connecting the phase line of the motor.
A kind of motor, the motor include iron core, controller, and the controller has PGND terminal；The motor also wraps
Include the motor skeleton as described in any of the above item.
A kind of electrical equipment, including motor as described above.
Optionally, the electrical equipment is air-conditioning, warm-air drier, fan, kitchen ventilator or air purifier.
The application uses above technical scheme, has the following beneficial effects:
Generally, motor includes iron core and controller, and PGND terminal is all had in controller, the end PGND be protecting field, one
As be connected on the shell of motor, be based on this, in the scheme of the application, provide a kind of new motor skeleton, the motor skeleton
Including two skeletons, two skeletons are oppositely arranged on iron core both ends, and iron core is stuck in centre, one of them in two skeletons
It is additionally arranged the first wiring construction on skeleton, PGND terminal can be electrically connected to the iron core of motor by first wiring construction
On, and be no longer attached on the shell of motor, in this way, the earth is acted as by iron core, thus reliably will be dry in controller
It disturbs signal to introduce in iron core, realizes internal consumption, rather than be discharged into outside, the electromagnetism avoided between the external world is dry
It disturbs, improves EMC anti-interference ability.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram for motor skeleton that the application one embodiment provides.
Fig. 2 is a kind of decomposition texture schematic diagram for motor skeleton that the application one embodiment provides.
Fig. 3 is a kind of schematic diagram of circuit connection structure that the application one embodiment provides.
Fig. 4 is that region shown in the first dotted line frame connects along the direction AA ' first in Fig. 1 of another embodiment of the application offer
The schematic cross-section of cable architecture.
Fig. 5 is the structural schematic diagram of the mounting hole of the first wiring construction in Fig. 4 of another embodiment of the application offer.
Fig. 6 is the structural schematic diagram of the lug plate in the first wiring construction that another embodiment of the application provides.
Fig. 7 be in Fig. 1 that another embodiment of the application provides region shown in the second dotted line frame along the second wiring of the direction BB '
The schematic cross-section of structure.
Fig. 8 is the structural schematic diagram of the mounting groove of the second wiring construction in Fig. 7 of another embodiment of the application offer.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, the technical solution of the application will be carried out below
Detailed description.Obviously, described embodiments are only a part of embodiments of the present application, instead of all the embodiments.Base
Embodiment in the application, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the application is protected.
Embodiment
It is a kind of structural schematic diagram for motor skeleton that the application one embodiment provides referring to Fig. 1, Fig. 1.
Referring to fig. 2, Fig. 2 is a kind of decomposition texture schematic diagram for motor skeleton that the application one embodiment provides.
It is a kind of schematic diagram of circuit connection structure that the application one embodiment provides referring to Fig. 3, Fig. 3.
As shown in Figure 1, Figure 2, Figure 3 shows, the present embodiment provides a kind of motor skeletons, are applied in motor, motor includes iron core 1
With controller 2, controller 2 has PGND terminal 21；
Motor skeleton includes two skeletons 3 for being oppositely arranged on 1 both ends of iron core；
In two skeletons 3, one of them is provided with the first wiring construction 4；
First wiring construction 4, for PGND terminal 21 to be electrically connected with iron core 1.
In implementation, two skeletons 3 can opposite clamping, iron core 1 is stuck in centre, then carried out on two skeletons 3 around
Line can specifically refer to the relevant technologies, and details are not described herein again.
Above-mentioned motor can be direct current generator, such as brshless DC motor.
Above-mentioned motor can also be plastic packaging motor.
Since motor includes iron core and controller, PGND terminal is all had in controller, which is protecting field, generally
It is connected on the shell of motor, is based on this, in the scheme of the application, provide a kind of new motor skeleton, the motor skeleton packet
Two skeletons are included, two skeletons are oppositely arranged on iron core both ends, iron core is stuck in centre, one of bone in two skeletons
It is additionally arranged the first wiring construction on frame, PGND terminal can be electrically connected to the iron core of motor by first wiring construction
On, and be no longer attached on the shell of motor, in this way, the earth is acted as by iron core, thus reliably will be dry in controller
It disturbs signal to introduce in iron core, realizes internal consumption, rather than be discharged into outside, the electromagnetism avoided between the external world is dry
It disturbs, improves EMC anti-interference ability.
Generally, can be arranged in controller Y capacitance realize it is anti-interference, PGND terminal can be connected with one end of Y capacitance, pass through by
PGND terminal is connected with iron core, the extremely low circuit of impedance between iron core can be provided for Y capacitance, to will reliably do
It disturbs signal and introduces iron core, from circuit is constituted, to improve EMC anti-interference ability.
In addition, reducing due to just improving EMC anti-interference ability by this simple wiring construction in circuit board cloth
Office increases or changes electronic component, increases magnet ring etc. improved investment, substantially increases production efficiency, reduces
Manpower consumption, reduces motor cost.
Referring to fig. 4, Fig. 4 be in Fig. 1 that another embodiment of the application provides region shown in the first dotted line frame 40 along AA '
The schematic cross-section of the first wiring construction of direction.
It is the structure of the mounting hole of the first wiring construction in Fig. 4 of another embodiment of the application offer referring to Fig. 5, Fig. 5
Schematic diagram.
It is the structural representation of the lug plate in the first wiring construction of another embodiment of the application offer referring to Fig. 6, Fig. 6
Figure.
Due to the particularity of core structure, mostly smooth surface, without connecting terminal, the PGND terminal difficulty of controller with
Iron core realizes electrical connection, to solve this problem, inventor provides following scheme: as shown in Fig. 1, Fig. 4, Fig. 5, Fig. 6, above-mentioned the
One wiring construction 4 includes lug plate 41, the mounting hole 42 with lug plate cooperation；Mounting hole is provided on skeleton 3；Lug plate 41 is pacified
Loaded in mounting hole 42, for PGND terminal 21 to be electrically connected with iron core 1.The shape of mounting hole and the shape of lug plate are consistent.
In this way, having opened up mounting hole in skeleton structure, lug plate is mounted in mounting hole, and PGND terminal can be passed through peace by lug plate
Dress hole is electrically connected with the iron core for being stuck in centre by two skeletons.
There are many specific structures of above-mentioned lug plate.In some embodiments, as shown in Fig. 4, Fig. 5, Fig. 6, lug plate
Specific structure includes first segment 411, second segment 412, third section 413；First segment 411 is located at mounting hole 42 far from 1 side of iron core,
For being connect with PGND terminal 21；Second segment 412 is located in mounting hole 42, for installing link piece 41；Third section 413
In mounting hole 42 close to 1 side of iron core, it is used for and 1 conductive contact of iron core.Similarly, since the particularity of core structure, for convenience
It realizes and is electrically connected, in the present embodiment, lug plate realizes electrical connection by way of contact, and then installation is fixed, to guarantee to contact
Well.
Fixed stability is installed in order to increase, prevents lug plate backing out from mounting hole, as shown in figs. 4 and 6,
Above-mentioned second segment 412 is provided with buckle 414 close to the side of third section 413；The hole wall of buckle 414 and mounting hole 42 offsets with solid
Determine lug plate 41.Fig. 6 shows under non-installation condition the state of buckle 414, when installation, by lug plate from mounting hole close to iron
The insertion of core side, when being installed in place, the hole wall of lug plate and mounting hole offsets, to realize fixed installation, plays anti-dropout
Effect.First wiring construction design provided in this embodiment is simple, easy for installation.
In some embodiments, the width of above-mentioned third section 413 is greater than the width of above-mentioned first segment 411, second segment 412
Width；Lug plate 41 is inserted by mounting hole 42 close to 1 side of iron core, when being installed in place, is limited and is fixed by third section 413.Such as
Shown in Fig. 6, direction shown in CC ' is the direction of lug plate width.Since mounting hole is matched with lug plate, the two shape one
It causes, after lug plate is installed in place, is limited by the width of third section, lug plate can not just be further continued for inserting, to play
Fixed effect is limited, avoids insertion excessively, lug plate is deviate from from mounting hole, can not be with iron core conductive contact.
In order to which further such that lug plate and iron core have good conductive contact, above-mentioned third section 413 protrudes from mounting hole
42.The third section 413 of lug plate is protruded into setting, it is ensured that lug plate 41 can come into full contact with iron core 1.
It is understood that the area that lug plate is contacted with iron core is bigger, contact is the better, in order to increase lug plate and iron
The contact area of core, there are many specific structures of lug plate, for example, the thickness of above-mentioned third section 413 can be respectively greater than second
412 thickness of section and the thickness of first segment 411, in this way, increasing lug plate 41 by way of the thickness for increasing third section 413
With the contact area of iron core 1.
Since above-mentioned first segment 411 is connected for convenience for connecting with PGND terminal 21, above-mentioned first segment 411
Width can be respectively smaller than the width of second segment 412 and the width of third section 413, in this way, passing through the side of refinement first segment 411
Formula is facilitated and is connect by conducting wire with PGND terminal 21.
In some embodiments, above-mentioned first segment 411 and second segment 412 are arranged along same straight line, and third section 413 distinguishes phase
Meet at first segment 411 and second segment 412, that is to say, that first segment 411, second segment 412 on one wire, in this way, can be very suitable
The insertion mounting hole of benefit, third section 413 and first segment 411,412 place straight line intersection of second segment, so as to be inserted into peace
After filling hole to a certain degree, block main limit.
In implementation, third section 413 can be perpendicular to first segment 411 and second segment 412.For example, lug plate can with but it is unlimited
In for T shape lug plate or L shape lug plate.Correspondingly, the shape of mounting hole is consistent with the shape of lug plate, mounting hole can be
T shape mounting hole or L shape mounting hole.Illustrated in Fig. 5 with T shape mounting hole, with the progress of T shape lug plate in Fig. 1, Fig. 4, Fig. 6
Signal.
Generally, as depicted in figs. 1 and 2, above-mentioned skeleton is ring skeleton, and space is bigger in the axial direction of skeleton, then, on
Stating mounting hole can be arranged along the axial direction of skeleton, correspondingly, lug plate is axially inserted into mounting hole, be arranged more convenient.
It is understood that motor, there are also U, W, V triple line, being provided on the skeleton of the first wiring construction can also be arranged
There is the second wiring construction；Second wiring construction, for connecting the phase line of motor.First wiring construction and the second wiring construction are all set
It sets on the same skeleton, the skeleton of not set wiring construction then can be used as the skeleton of the circuit board close to fixed motor, side
Just it fixes.
It is that region shown in the second dotted line frame 50 is square along BB ' in Fig. 1 of another embodiment of the application offer referring to Fig. 7, Fig. 7
To the schematic cross-section of the second wiring construction.
It is the structure of the mounting groove of the second wiring construction in Fig. 7 of another embodiment of the application offer referring to Fig. 8, Fig. 8
Schematic diagram.
As shown in figs. 1,7 and 8, above-mentioned second wiring construction includes that lug plate 51 for connecting phase line and installation connect
The mounting groove 52 of line piece.Since phase line is not connect with iron core, which is different from the mounting hole in the first wiring construction, peace
Skeleton has been run through in dress hole, has extended to core side, and mounting groove does not run through skeleton then.
Based on same design, another embodiment of the application also provides a kind of motor, and motor includes iron core, controller,
Controller has PGND terminal；Motor further includes the motor skeleton such as any of the above embodiment.
The specific embodiment of motor provided by the embodiments of the present application can be with reference to the reality of the motor skeleton of any of the above example
Mode is applied, details are not described herein again.
Based on same design, another embodiment of the application also provides a kind of electrical equipment, including as any of the above is real
Apply the motor of example.
Optionally, above-mentioned electrical equipment can be, but not limited to as air-conditioning, warm-air drier, fan, kitchen ventilator or air cleaning
Device.
The specific embodiment of electrical equipment provided by the embodiments of the present application can refer to the motor skeleton of any of the above example
Embodiment, details are not described herein again.
It is understood that same or similar part can mutually refer in the various embodiments described above, in some embodiments
Unspecified content may refer to the same or similar content in other embodiments.
It should be noted that term " first ", " second " etc. are used for description purposes only in the description of the present application, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present application, unless otherwise indicated, the meaning of " multiple "
Refer at least two.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the application.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although embodiments herein has been shown and described above, it is to be understood that above-described embodiment is example
Property, it should not be understood as the limitation to the application, those skilled in the art within the scope of application can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (15)
1. a kind of motor skeleton, which is characterized in that be applied in motor, the motor includes iron core and controller, the control
Device has PGND terminal；
The motor skeleton includes two skeletons for being oppositely arranged on the iron core both ends；
In described two skeletons, one of them is provided with the first wiring construction；
First wiring construction, for the PGND terminal to be electrically connected with the iron core.
2. motor skeleton according to claim 1, which is characterized in that first wiring construction includes lug plate and institute
State the mounting hole of lug plate cooperation；
The mounting hole is provided on the skeleton；
The lug plate is installed in the mounting hole, for the PGND terminal to be electrically connected with the iron core.
3. motor skeleton according to claim 2, which is characterized in that the lug plate includes first segment, second segment, third
Section；
The first segment is located at the mounting hole far from the iron core side, for connecting with the PGND terminal；
The second segment is located in the mounting hole, for installing the fixed lug plate；
The third section is located at the mounting hole close to the iron core side, is used for and the iron core conductive contact.
4. motor skeleton according to claim 3, which is characterized in that the second segment is set close to the side of the third section
It is equipped with buckle；The hole wall of the buckle and the mounting hole offsets with the fixation lug plate.
5. motor skeleton according to claim 3, which is characterized in that the width of the third section be greater than the first segment,
The width of the second segment；
The lug plate is inserted by the mounting hole close to the iron core side, when being installed in place, is limited by the third section
It is fixed.
6. motor skeleton according to claim 3, which is characterized in that the width of the first segment is respectively smaller than described second
The width of section and the width of the third section.
7. motor skeleton according to claim 3, which is characterized in that the third section protrudes from the mounting hole.
8. motor skeleton according to claim 3, which is characterized in that the thickness of the third section is respectively greater than described second
The thickness of section and the thickness of the first segment.
9. according to the described in any item motor skeletons of claim 3~8, which is characterized in that the first segment and the second segment
It is arranged along same straight line, the third section intersects at the first segment and the second segment respectively.
10. motor skeleton according to claim 9, which is characterized in that the lug plate is T shape lug plate, the installation
Hole is T shape mounting hole；
Alternatively, the lug plate is L shape lug plate, the mounting hole is L shape mounting hole.
11. motor skeleton according to claim 2, which is characterized in that the skeleton is ring skeleton；
Axial direction setting of the mounting hole along the skeleton.
12. motor skeleton according to claim 1, which is characterized in that be provided with the bone of first wiring construction
The second wiring construction is additionally provided on frame；
Second wiring construction, for connecting the phase line of the motor.
13. a kind of motor, which is characterized in that the motor includes iron core, controller, and the controller has PGND terminal；Institute
Stating motor further includes such as the described in any item motor skeletons of claim 1~12.
14. a kind of electrical equipment, which is characterized in that including motor as claimed in claim 13.
15. electrical equipment according to claim 14, which is characterized in that the electrical equipment is air-conditioning, warm-air drier, wind
Fan, kitchen ventilator or air purifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910758781.3A CN110474488A (en) | 2019-08-16 | 2019-08-16 | Motor skeleton, motor and electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910758781.3A CN110474488A (en) | 2019-08-16 | 2019-08-16 | Motor skeleton, motor and electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110474488A true CN110474488A (en) | 2019-11-19 |
Family
ID=68510204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910758781.3A Pending CN110474488A (en) | 2019-08-16 | 2019-08-16 | Motor skeleton, motor and electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110474488A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099018A (en) * | 2014-05-09 | 2015-11-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor insulating framework and motor having the framework |
| CN208190467U (en) * | 2018-03-20 | 2018-12-04 | 瑞智精密股份有限公司 | Plastic packaging motor with earth-return circuit |
| CN109038911A (en) * | 2018-09-18 | 2018-12-18 | 珠海凯邦电机制造有限公司 | Plastic packaging motor |
| CN210405005U (en) * | 2019-08-16 | 2020-04-24 | 珠海凯邦电机制造有限公司 | Motor skeleton, motor and electrical equipment |
-
2019
- 2019-08-16 CN CN201910758781.3A patent/CN110474488A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099018A (en) * | 2014-05-09 | 2015-11-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor insulating framework and motor having the framework |
| CN208190467U (en) * | 2018-03-20 | 2018-12-04 | 瑞智精密股份有限公司 | Plastic packaging motor with earth-return circuit |
| CN109038911A (en) * | 2018-09-18 | 2018-12-18 | 珠海凯邦电机制造有限公司 | Plastic packaging motor |
| CN210405005U (en) * | 2019-08-16 | 2020-04-24 | 珠海凯邦电机制造有限公司 | Motor skeleton, motor and electrical equipment |
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