CN206640412U - Rotor punching, rotor, induction machine and compressor - Google Patents
Rotor punching, rotor, induction machine and compressor Download PDFInfo
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- CN206640412U CN206640412U CN201720474199.0U CN201720474199U CN206640412U CN 206640412 U CN206640412 U CN 206640412U CN 201720474199 U CN201720474199 U CN 201720474199U CN 206640412 U CN206640412 U CN 206640412U
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- rotor
- punching
- rotor punching
- induction machine
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Abstract
It the utility model is related to induction machine field, and disclose a kind of rotor punching, a kind of rotor, a kind of induction machine and a kind of compressor, rotor punching (1) is the circular ring plate with central through hole (3), be provided with the anchor ring of rotor punching axially through and circumferentially spaced uniform multiple rotor slots (2), each rotor slot includes inside groove (4), lead-over groove (5) and the water jacket (6) being sequentially communicated along the radial direction of rotor punching, and wherein inside groove, lead-over groove and the respective cross-sectional area of water jacket are respectively Si、SlAnd So, and meet：0.15≤So/Si≤0.35；0.08≤Sl/Si≤0.2.Rotor punching of the present utility model can preferably lift the startability of induction machine.
Description
Technical field
Induction machine field is the utility model is related to, in particular it relates to a kind of rotor punching, a kind of rotor, a kind of sensing
Motor and a kind of compressor.
Background technology
Either common electric machine or induction machine to startability (startability of motor include detent torque, open
Streaming current etc.) there is certain requirement.Refrigerant soak makes rotor be in cold conditions, and then is brought more to the normal startup of induction machine
Big challenge, when induction machine is applied on compressor, the startability of induction machine directly affects the reliable of compressor
Property, therefore, the startability for improving induction machine is particularly significant.The solution of the startability of the raising induction machine used at present
One of scheme is to increase the number of turn of rotor resistance or machine winding, so as to improve the detent torque of induction machine, and then is improved
The startability of induction machine, but this kind of technology have one it is obvious the defects of, that is, reduce the efficiency of motor.
Utility model content
The purpose of this utility model is to provide a kind of rotor punching and a kind of rotor, to improve the startability of induction machine
Energy.
In addition, another purpose of the present utility model is to provide a kind of induction machine and a kind of compressor, the induction machine
It is good with the startability of compressor and efficiency is higher.
To achieve these goals, the utility model provides a kind of rotor punching, and the rotor punching is to lead to center
The circular ring plate in hole, be provided with the anchor ring of the rotor punching axially through and circumferentially spaced uniform multiple rotor slots,
Each rotor slot includes inside groove, lead-over groove and the water jacket being sequentially communicated along the radial direction of the rotor punching, wherein,
The inside groove, the lead-over groove and the respective cross-sectional area of the water jacket are respectively Si、SlAnd So, and meet：0.15≤So/Si≤
0.35；0.08≤Sl/Si≤0.2。
Preferably, N is provided with the anchor ring of the rotor punchingrThe individual rotor slot, the radius of the rotor punching are
Rr, and meet：0.15≤Nr*(Si+So+Sl)/πRr 2≤0.3。
Preferably, the distance between the center of the lead-over groove and the center of the rotor punching are Lz, and meet：Lz=
0.85-0.95Rr。
Preferably, the rotor slot and the lead-over groove are respectively L in the length in the radial direction of the rotor punching
And L1, and meet：0.25≤Ll/L≤0.35。
Preferably, the minimum range between the outer peripheral face of the rotor slot and the rotor punching is more than or equal to 0.2mm.
Preferably, the inside groove, the lead-over groove and the water jacket are respectively rectangular channel, rectangular channel and circular trough.
In addition, the utility model also provides a kind of rotor, the rotor includes the rotor core with rotor slot rotor slot
And the sliver in the rotor slot rotor slot is arranged on, the rotor core is by multiple rotor punchings described in the utility model
Laminate to be formed.
In addition, the utility model also provides a kind of induction machine, the induction machine includes stator and the utility model institute
The rotor stated.
Preferably, the external diameter of the rotor is DW, the external diameter of the stator is DN, and meet：0.5≤DW/DN≤0.7。
In addition, the utility model also provides a kind of compressor, the compressor includes induced electricity described in the utility model
Machine.
Rotor punching of the present utility model by rotor slot due to being arranged to three parts (i.e. inside groove, lead-over groove and water jacket) simultaneously
It is the area more than water jacket by the area design of inside groove, therefore the induction machine being assembled to form by rotor punching of the present utility model
Kelvin effect can be made full use of, on startup, main being located at by sliver (in a usual rotor slot set a sliver)
Part cutting magnetic field in water jacket, due to kelvin effect, the part being located in water jacket of sliver has larger resistance, thus provides
High torque (HT), and then improve the startability of induction machine；After start completion, the resistance of rotor is by water jacket, inside groove and transition
Sliver parallel connection in groove obtains, and because inside groove area is big, the part being located in inside groove of sliver has less resistive, so that
The all-in resistance of rotor is less than the resistance of the part being located in inside groove of sliver, thereby guarantees that motor has higher efficiency, and because
This enables induction machine of the present utility model smoothly to start in low temperature, refrigerant soak.It can be seen that rotor of the present utility model
Punching and rotor can improve the startability of induction machine；Induction machine and compressor of the present utility model have startability
The advantages of good and efficiency is higher.
Other features and advantages of the utility model will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is to be further understood for providing to of the present utility model, and a part for constitution instruction, and following
Embodiment be used to explain the utility model together, but do not form to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is the front view according to the embodiment of rotor punching of the present utility model；
Fig. 2 is the zoomed-in view of a-quadrant in Fig. 1；
Fig. 3 is the zoomed-in view of the rotor slot of the rotor punching in Fig. 1；
Fig. 4 is the front view according to the stator punching of rotor of the present utility model and the embodiment of rotor punching.
Description of reference numerals
1st, rotor punching 2, rotor slot
3rd, central through hole 4, inside groove
5th, lead-over groove 6, water jacket
7th, open slot 8, stator punching
Embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein
Described embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.
The utility model provides a kind of rotor punching, specifically, as shown in Figure 1 to Figure 3, the rotor punching 1 be with
The circular ring plate of central through hole 3, be provided with the anchor ring of the rotor punching 1 axially through and it is circumferentially spaced uniform multiple
Rotor slot 2, each rotor slot 2 include inside groove 4, the lead-over groove 5 being sequentially communicated along the radial direction of the rotor punching 1
With water jacket 6, wherein, the inside groove 4, the lead-over groove 5 and 6 respective cross-sectional area of the water jacket are respectively Si、SlAnd So, and
Meet：0.15≤So/Si≤0.35；0.08≤Sl/Si≤0.2。
Rotor punching 1 of the present utility model by rotor slot 2 due to being arranged to three parts (i.e. inside groove 4, lead-over groove 5 and outer
Groove 6) and be the area more than water jacket 6 by the area design of inside groove 4, therefore be assembled to form by rotor punching 1 of the present utility model
Induction machine can make full use of kelvin effect, on startup, mainly by sliver (in a usual rotor slot 2 set one
Sliver) be located at water jacket 6 in part cutting magnetic field, due to kelvin effect, sliver be located at water jacket 6 in part have it is larger
Resistance, high torque (HT) is thus provided, and then improve the startability of induction machine；After start completion, the resistance of rotor is by water jacket
6th, the sliver parallel connection in inside groove 4 and lead-over groove 5 obtains, because the area of inside groove 4 is big, the part being located in inside groove 4 tool of sliver
There is less resistive, so that the all-in resistance of rotor is less than the resistance of the part being located in inside groove 4 of sliver, thereby guarantee that motor
With higher efficiency, and hence in so that induction machine of the present utility model can smoothly start in low temperature, refrigerant soak.
It should be noted that the specific size of inside groove 4, the concrete shape of lead-over groove 5 and water jacket 6 and central through hole 3 is equal
It can be arranged as required to, these are belonged within range of the technology design of the present utility model.Below by with specific embodiment
Mode illustrates the concrete form of features described above.
In rotor punching 1 of the present utility model, specifically, N is provided with the anchor ring of the rotor punching 1rIt is individual described
Rotor slot 2, the radius of the rotor punching 1 is Rr, and meet：0.15≤Nr*(Si+So+Sl)/πRr 2≤ 0.3, so as to further
The ratio of the occupied area in rotor punching 1 of rotor slot 2 is limited, to limit the sectional area of sliver.
In rotor punching 1 of the present utility model, more specifically, the center of the lead-over groove 5 and the rotor punching 1
The distance between center is Lz, and meet：Lz=0.85-0.95Rr, so as to define the particular location of lead-over groove 5, and then limit
Positioned at the inside groove 4 of lead-over groove 5 both sides and the particular location of water jacket 6.
In rotor punching 1 of the present utility model, further specifically, the rotor slot 2 is outer with the rotor punching 1
Minimum range between side face is more than or equal to 0.2mm, so as to which rotor slot 2 is arranged on as close to the periphery of rotor punching 1
The position in face, and then the sliver that is installed in rotor slot 2 can be caused as close to the outer peripheral face of rotor, it is possible thereby to ensure
The torque of induction machine.
In rotor punching 1 of the present utility model, it is preferable that the inside groove 4, the lead-over groove 5 and the water jacket 6 are distinguished
For rectangular channel, rectangular channel and circular trough, so as to reduce the manufacture difficulty of rotor punching 1 and sliver.
It is understood that the concrete shape of inside groove 4, lead-over groove 5 and water jacket 6 is not limited in above shape, for example, interior
Groove 4, lead-over groove 5 and water jacket 6 can be respectively circular trough, elliptical slot and rectangular channel, as long as their own area meets
0.15≤So/Si≤0.35；0.08≤Sl/Si≤ 0.2.
In rotor punching 1 of the present utility model, it is highly preferred that each rotor slot 2 is included along the rotor respectively
The radial direction of punching 1 penetrates into the open slot 7 of the water jacket 6 from the outer peripheral face of the rotor punching 1, and (open slot 7 is preferably
Rectangle), to reduce leakage reactance.
In addition, the utility model also provides a kind of rotor, the rotor include with the rotor core for laminating rotor slot with
And it is arranged on the sliver laminated in rotor slot (sliver can be that aluminium sliver or copper are led made of cast aluminium or cast copper
Bar, but it is not limited only to this), the rotor core is formed by multiple laminated according to rotor punching described in the utility model, institute
State to laminate rotor slot and laminated by the rotor slot on multiple rotor punchings and formed.
Rotor of the present utility model can improve induction machine due to therefore having including rotor punching of the present utility model
Startability the advantages of.
In addition, the utility model also provides a kind of induction machine, the induction machine is new including stator and according to this practicality
Rotor described in type.
Induction machine of the present utility model due to including rotor of the present utility model therefore with startability is good and efficiency
The advantages of higher.
In induction machine of the present utility model, it is preferable that the stator is included by multiple stator punchings 8 (such as Fig. 4 institutes
Show) laminate the stator core to be formed, the outer diameter D of the rotorWIt is the radius R of rotor punching 1rTwice, the external diameter of the stator
DNIt is the radius R of stator punching 8sTwice, and meet：0.5≤DW/DN≤ 0.7, thus limit the relatively large of stator and rotor
Small relation (preferably, 0.55≤DW/DN≤0.7)。
In addition, the utility model also provides a kind of compressor, the compressor is included according to sense described in the utility model
Answer motor.
Compressor of the present utility model due to including induction machine of the present utility model therefore with startability is good, efficiency
The advantages of higher and combination property is preferable.
Preferred embodiment of the present utility model, still, the utility model and unlimited is described in detail above in association with accompanying drawing
Detail in above-mentioned embodiment, can be to skill of the present utility model in range of the technology design of the present utility model
Art scheme carries out a variety of simple variants, and these simple variants belong to the scope of protection of the utility model.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means, in order to avoid unnecessary repetition, the utility model is to each
The possible combination of kind no longer separately illustrates.
In addition, it can also be combined between a variety of embodiments of the present utility model, as long as it is not disobeyed
Thought of the present utility model is carried on the back, it should equally be considered as content disclosed in the utility model.
Claims (10)
1. a kind of rotor punching, it is characterised in that the rotor punching (1) is the circular ring plate with central through hole (3), described turn
Be provided with the anchor ring of sub- punching (1) axially through and circumferentially spaced uniform multiple rotor slots (2), each rotor
Groove (2) includes inside groove (4), lead-over groove (5) and the water jacket (6) being sequentially communicated along the radial direction of the rotor punching (1), its
In, the inside groove (4), the lead-over groove (5) and the water jacket (6) respective cross-sectional area are respectively Si、SlAnd So, and meet：
0.15≤So/Si≤0.35；0.08≤Sl/Si≤0.2。
2. rotor punching according to claim 1, it is characterised in that be provided with N in the anchor ring of the rotor punching (1)rIt is individual
The rotor slot (2), the radius of the rotor punching (1) is Rr, and meet：0.15≤Nr*(Si+So+Sl)/πRr 2≤0.3。
3. rotor punching according to claim 1, it is characterised in that the center of the lead-over groove (5) rushes with the rotor
The distance between center of piece (1) is Lz, and meet：Lz=0.85-0.95Rr。
4. rotor punching according to claim 1, it is characterised in that the rotor slot (2) and the lead-over groove (5) are in institute
The length in the radial direction for stating rotor punching (1) is respectively L and L1, and meet：0.25≤Ll/L≤0.35。
5. rotor punching according to claim 1, it is characterised in that the rotor slot (2) and the rotor punching (1)
Minimum range between outer peripheral face is more than or equal to 0.2mm.
6. rotor punching as claimed in any of claims 1 to 5, it is characterised in that the inside groove (4), the mistake
Aqueduct (5) and the water jacket (6) are respectively rectangular channel, rectangular channel and circular trough.
7. a kind of rotor, the rotor includes with the rotor core for laminating rotor slot and is arranged on described laminate in rotor slot
Sliver, it is characterised in that the rotor core is by multiple rotor punchings as claimed in any of claims 1 to 6
Laminate to be formed.
8. a kind of induction machine, it is characterised in that the induction machine includes stator and rotor according to claim 7.
9. induction machine according to claim 8, it is characterised in that the external diameter of the rotor is DW, the external diameter of the stator
For DN, and meet：0.5≤DW/DN≤0.7。
10. a kind of compressor, it is characterised in that the compressor includes the induction machine according to claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720474199.0U CN206640412U (en) | 2017-04-28 | 2017-04-28 | Rotor punching, rotor, induction machine and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720474199.0U CN206640412U (en) | 2017-04-28 | 2017-04-28 | Rotor punching, rotor, induction machine and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206640412U true CN206640412U (en) | 2017-11-14 |
Family
ID=60246875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720474199.0U Active CN206640412U (en) | 2017-04-28 | 2017-04-28 | Rotor punching, rotor, induction machine and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206640412U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972656A (en) * | 2017-04-28 | 2017-07-21 | 广东美芝制冷设备有限公司 | Rotor punching, rotor, induction machine and compressor |
-
2017
- 2017-04-28 CN CN201720474199.0U patent/CN206640412U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972656A (en) * | 2017-04-28 | 2017-07-21 | 广东美芝制冷设备有限公司 | Rotor punching, rotor, induction machine and compressor |
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