CN207184181U - Motor and compressor - Google Patents
Motor and compressor Download PDFInfo
- Publication number
- CN207184181U CN207184181U CN201721112311.2U CN201721112311U CN207184181U CN 207184181 U CN207184181 U CN 207184181U CN 201721112311 U CN201721112311 U CN 201721112311U CN 207184181 U CN207184181 U CN 207184181U
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- motor
- lead
- coil group
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Abstract
The utility model discloses a kind of motor and compressor, wherein, motor includes motor stator and rotor, and motor stator includes：Stator core, coil group and motor down-lead group, stator core has multiple limits stator groove gap along its circumferentially spaced stator tooth, two neighboring stator tooth；The quantity of coil group is multiple, and each coil group includes multiple coils being wound in stator tooth, the end of incoming cables and leading-out terminal that each coil group tool is made up of the joint of identical quantity；The quantity of motor down-lead group is two, there are each motor down-lead group more to be used to connect the joint of coil group and the motor down-lead of circuit for controlling motor, the total radical of motor down-lead in each motor down-lead group is equal with the quantity of coil group, and every motor down-lead is connected with an end of incoming cables of a coil group or a leading-out terminal.The utility model improves the structure of motor, improves the operating efficiency of motor.
Description
Technical field
It the utility model is related to Compressor Technology field, more particularly to a kind of motor and compressor.
Background technology
In the existing rotary DC frequency-changeable compressor using magneto, because the excitation field of magneto is non-adjustable
Section, therefore, its speed adjustable range is smaller, usually 30rps-90rps.Rotating speed to lift the motor by force, then can cause electricity
Machine enters weak magnetic area, and then the coil current of motor is raised rapidly, thus, the temperature of coil can be caused significantly to raise, caused
The insulation ag(e)ing of motor wire, influences motor reliability and motor performance.
In order to avoid there is above mentioned problem, a kind of method used at present is that the negative d-axis of the coil group injection to motor is electric
Stream, to carry out degaussing to permanent magnet, so as to reduce back-emf, reach the purpose of extension motor operating range.But using to electricity
The method for the direct-axis current that the coil input of machine is born can make it that the operating efficiency of motor operation in high frequency is relatively low.
Utility model content
Main purpose of the present utility model is to provide a kind of motor, it is intended to improves the operating efficiency of motor.
To achieve the above object, the utility model proposes a kind of motor, the motor to include motor stator and rotor,
The motor stator includes：
Stator core, the stator core have it is multiple along its circumferentially spaced stator tooth, it is two neighboring described
Stator tooth limits stator groove gap；
Multiple coil groups, each coil group include multiple coils being wound in the stator tooth, each described
Coil group has the end of incoming cables being made up of the joint of identical quantity and leading-out terminal；
Two motor down-lead groups, each motor down-lead group have the more joints and electricity for being used to connect the coil group
The motor down-lead of machine control circuit, the total radical of motor down-lead and the quantity phase of the coil group in each motor down-lead group
It is connected Deng, the every motor down-lead with an end of incoming cables of coil group or a leading-out terminal.
Preferably, the motor meets relational expression：5.18×10-7≤T×Di-3×TPV-1≤1.17×10-6, wherein, T
For the nominal torque of the motor, its unit is Nm, and Di is the minimum diameter of the stator core, and its unit is mm, and TPV is
The torque per unit volume of the rotor, its unit are kNmm-3, and 5kNmm-3≤TPV≤45kN·m·m-3。
Preferably, the motor stator also includes multiple plug connectors, and the more motors in each motor down-lead group draw
Line passes through at least one plug connector and circuit for controlling motor grafting.
Preferably, the quantity of the plug connector is two, and the more motor down-leads in each motor down-lead group pass through
One plug connector and circuit for controlling motor grafting.
Preferably, the quantity of the plug connector is corresponding with the quantity of the more motor down-leads, and with the more motors
Lead connects one to one.
Preferably, each coil group has the 2n joints, and wherein n is positive integer, and the 2n joints are divided into n
The outlet joint of the lead-in line joint of the individual composition end of incoming cables and the n composition leading-out terminal, one in two plug connectors and
A motor down-lead connection of n lead-in line joints is connected, another institute be connected the individual outlet joints of n
State motor down-lead connection.
Preferably, the quantity of the coil group is 3, and there is each coil group a lead-in line joint and an outlet to connect
Head.
Preferably, the rated speed of the motor is more than or equal to 6000 revs/min.
Preferably, the maximum (top) speed of the motor is more than or equal to 9000 revs/min.
The utility model also proposes a kind of compressor, and the compressor includes motor as described above, and the motor includes electricity
Machine stator and rotor, the motor stator include：
Stator core, the stator core have it is multiple along its circumferentially spaced stator tooth, it is two neighboring described
Stator tooth limits stator groove gap；
Multiple coil groups, each coil group include multiple coils being wound in the stator tooth, each described
Coil group has the end of incoming cables being made up of the joint of identical quantity and leading-out terminal；
Two motor down-lead groups, each motor down-lead group have the more joints and electricity for being used to connect the coil group
The motor down-lead of machine control circuit, the total radical of motor down-lead and the quantity phase of the coil group in each motor down-lead group
It is connected Deng, the every motor down-lead with an end of incoming cables of coil group or a leading-out terminal.
It is every in two groups of motor down-lead groups of the utility model by the way that circuit for controlling motor and multiple coil groups will be connected
A piece motor down-lead electrically connects with a joint in a coil group, circuit for controlling motor is run according to the difference of motor
Situation switches to the corresponding coil group mode of connection, so as to improve the operating efficiency of motor.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the radial structure schematic diagram of the embodiment of the utility model motor stator one；
Fig. 2 is the axial arrangement schematic diagram of the embodiment of the utility model motor stator one；
Fig. 3 is the dimensional structure diagram of the embodiment of the utility model motor stator one；
Fig. 4 is the structural representation of another embodiment of the utility model motor stator；
Fig. 5 is the structural representation of the embodiment of the utility model compressor one.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 10 | Motor stator | 101 | Stator core |
| 20 | Rotor | 101a | Stator groove gap |
| 30 | Shell | 101b | Stator tooth |
| 31 | Accommodating chamber | 102 | Coil |
| 40 | Bent axle | 102a | Lead-in line joint |
| 50 | Cylinder | 102b | Outlet joint |
| 51 | Compression chamber | 103 | Motor down-lead group |
| 60 | Piston | 103a | Motor down-lead |
| 70 | Base bearing | 104 | Plug connector |
| 80 | Supplementary bearing | 104a | Plug connector |
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not paying creative work premise
Lower obtained every other embodiment, belong to the scope of the utility model protection.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation under a certain particular pose (as shown in drawings) between each part, motion conditions etc., such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes therewith.
In addition, the description for being related to " first ", " second " etc. in the utility model is only used for describing purpose, without being understood that
To indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the technical side between each embodiment
Case can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical scheme
Occur conflicting or will be understood that the combination of this technical scheme is not present when can not realize, also not in the requires of the utility model
Protection domain within.
The utility model proposes a kind of compressor, the compressor has motor.Wherein, the motor can be magneto,
Threephase asynchronous machine etc., the present embodiment is not restricted.
Referring to figs. 1 to Fig. 3, the motor includes motor stator 10 and rotor 20, and motor stator 10 includes stator core
101 and multiple coil groups, stator core 101 have it is multiple along its circumferentially spaced stator tooth 101b, it is two neighboring fixed
Sub- double wedge 101b limits stator groove gap 101a；Each coil group include it is multiple be wound in stator tooth 101b coils 102, and
Each coil group has the end of incoming cables being made up of the joint of identical quantity and leading-out terminal.
It is understood that because each coil group has multiple coils 102, when multiple coils in a coil group
When 102 wholes are connected in series, then the coil group has two joints, now, end of incoming cables of the joint as the coil group, and separately
One is used as leading-out terminal；When multiple coils 102 in a coil group are not connected in series all, then piece-ups of the coil group
Amount can be more than two, and be even number, now, the end of incoming cables for typically forming the coil group of joint total amount, second half composition outlet
End.
With continued reference to Fig. 1 to Fig. 3, the motor stator 10 also includes two motor down-lead groups 103, each motor down-lead group
103 have the more motor down-lead 103a for being used to connect circuit for controlling motor (not shown) and the joint of coil group, wherein, each
Motor down-lead 103a sums in motor down-lead group 103 are equal with the quantity of coil group, also, every motor down-lead 103a and one
One end of incoming cables of individual coil group or leading-out terminal connection.
It is understood that due to motor down-lead 103a sums and the quantity of coil group in each motor down-lead group 103
It is equal, and every motor down-lead 103a is connected with the terminals that one or more joints of a coil group are formed, so that
Circuit for controlling motor can switch over according to the working condition of motor to the mode of connection of multiple coil groups in motor.Such as：
Circuit for controlling motor controls the mode to be linked together between multiple coil groups in end of incoming cables according to the different operating frequency of motor
Or switch over two-by-two between mode that the end of incoming cables of coil group is connected with there is end, so as to take into account motor in high and low frequency
Under work efficiency.
In the present embodiment, in order that motor with compressor preferably with being adapted to, motor can be made to meet formula：5.18×
10-7≤T×Di-3×TPV-1≤1.17×10-6, wherein, T is the nominal torque of motor, and its unit is Nm；Di is stator iron
The minimum diameter of core 101, namely：As shown in Fig. 2 multiple stator tooth 101b of stator core 101 are towards stator core 101
One end end of centerline direction encloses the diameter of a circle to be formed, wherein, Di unit is mm；TPV is the unit of rotor 20
Volumetric torque, its unit are kNmm-3, and 5kNmm-3≤TPV≤45kN·m·m-3。
Certainly, above-mentioned motor can be also used for other fields, depending on the model and size of motor.
In order to which quickly and easily the motor down-lead 103a in each motor down-lead group 103 is connected with circuit for controlling motor,
In the present embodiment, motor stator 10 can also include multiple plug connectors, more motor down-leads in each motor down-lead group 103
103a passes through at least one plug connector and circuit for controlling motor grafting.
Wherein, the plug connector can use the structure of plug connector 104 shown in Fig. 1 to Fig. 3, can also use shown in Fig. 4
Plug connector 104a structures.Plug connector 104 shown in Fig. 1 to Fig. 3 is junction box structure, and the plug connector 104 is more suitable for and more motors
Lead 103a connections, the plug connector 104a conductive insert structures shown in Fig. 4, each plug connector 104a are more suitable for drawing with a motor
Line 103a connections.Certainly, plug connector can also use other structures, and the present embodiment is not restricted.
In the present embodiment, as shown in Figure 1 to Figure 3, the quantity that can allow plug connector 104 is two, and each motor draws
More motor down-lead 103a in line group 103 are by a plug connector 104 and circuit for controlling motor grafting, so as to improve two electricity
The efficiency that machine lead wire set 103 is connected with circuit for controlling motor.
In the present embodiment, each coil group has 2n joint, and wherein n is positive integer, and 2n joint can be divided into n composition
The lead-in line joint 102a of end of incoming cables and n composition leading-out terminal outlet joint 102b, one in two plug connectors 104 is with being connected
A n lead-in line joint 102a motor down-lead 103a connection, another draws with being connected a n outlet joint 102b motor
Line 103a connections, so that the connection of the joint and circuit for controlling motor of coil group is more convenient.
In the present embodiment, the coil group quantity in motor depending on the model of motor, such as：The number of coil group can be made
Measure as 3, also, multiple coils in each coil group are connected in series, then and each coil group has a lead-in line joint
102a and outlet joint 102b, to simplify the structure of coil group, improve control effect of the circuit for controlling motor to motor.
In the present embodiment, as shown in figure 4, plug connector 104a quantity and more motor down-lead 103a quantity can also be made
It is corresponding, and multiple plug connector 104a and more motor down-lead 103a connect one to one so that each motor down-lead group 103 and
The connection of circuit for controlling motor is more flexible.
Certainly, the quantity of plug connector can be more than or equal to two, and the sum less than or equal to motor down-lead 103a, this
Place repeats no more.
In the present embodiment, when the specified running speed of motor is more than or equal to 6000 revs/min, or, when motor
When maximum running speed is more than or equal to 9000 revs/min, using every motor down-lead 103a in two motor down-lead groups 103
The mode being connected with a joint of a coil group is higher to the improved efficiency of motor.
In the present embodiment, as shown in figure 5, compressor include shell 30, bent axle 40, cylinder 50, piston 60, base bearing 70,
Supplementary bearing 80 and motor as described above.
Wherein, shell 30 is cylindrical in shape setting, and it has along its axially extending accommodating chamber 31, bent axle 40 and is located at accommodating chamber
In 31 and along the axial arranged of shell 30, the lower end of bent axle 40 passes through cylinder 50, also, bent axle 40 stretches into the part shape of cylinder 50
Piston 60 is set with into eccentric part and thereon, base bearing 70 and supplementary bearing 80 are set in song from the top and bottom of bent axle 40 respectively
On axle 40, and it is fixedly connected with the upper and lower ends of cylinder 50 and is sealed with the compression chamber 51 to cylinder 50, motor is arranged on outer
In the accommodating chamber 31 of shell 30, also, the rotor core 20 of motor is connected with the upper end of bent axle 40.
In the present embodiment, the control circuit that motor is arranged on the inwall of the accommodating chamber 31 of compressor can be connected
Binding post, binding post grafting corresponding with the plug connector of motor, so as to which motor down-lead 103a and circuit for controlling motor is electric
Connection.
In the present embodiment, binding post can be multiple binding post structures for being connected with plug connector, the quantity of the binding post
Depending on the joint quantity of multiple coil groups of motor.Because the winding quantity of motor is typically without departing from three, often
Individual coil group has an end of incoming cables and a leading-out terminal, therefore, can set at least six binding posts on the compressor, so that
Compressor can be adapted to the motor of more polytypic.
It should be noted that the utility model be based in two motor down-lead groups 103 motor down-lead 103a sum with
Twice of all coils group quantity is equal, so that every motor down-lead 103a can be with one or more joints of a coil group
The terminals connection formed, so as to realize circuit for controlling motor according to the working condition of motor easily to multiple lines in motor
The purpose that the mode of connection of circle group switches over.On this basis, the side that more motor down-lead 103a electrically connect with control circuit
Formula is not limited to above-described embodiment, and in order to improve motor down-lead 103a and circuit for controlling motor joint efficiency, can increase it
It is similar to the structure of plug connector, it is of course also possible to which the structure based on above-mentioned plug connector slightly deforms, the utility model does not limit
System.
It is understood that due to the utility model proposes compressor including above-mentioned motor all embodiments it is all
Scheme, therefore, at least have with the motor identical technique effect, do not illustrate one by one herein.
Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model,
Every equivalent structure under utility model of the present utility model design, made using the utility model specification and accompanying drawing content
Conversion, or directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of motor, it is characterised in that the motor includes motor stator and rotor, and the motor stator includes：
Stator core, the stator core have multiple along its circumferentially spaced stator tooth, the two neighboring stator
Double wedge limits stator groove gap；
Multiple coil groups, each coil group include multiple coils being wound in the stator tooth, each coil
Group is with the end of incoming cables and leading-out terminal being made up of the joint of identical quantity；
Two motor down-lead groups, each motor down-lead group have more joint and the motor controls for being used to connect the coil group
The motor down-lead of circuit processed, each the total radical of motor down-lead in the motor down-lead group is equal with the quantity of the coil group,
The every motor down-lead is connected with an end of incoming cables of coil group or a leading-out terminal.
2. motor as claimed in claim 1, it is characterised in that the motor meets relational expression：5.18×10-7≤T×Di-3×
TPV-1≤1.17×10-6, wherein, T is the nominal torque of the motor, and its unit be Nm, Di for the stator core most
Small internal diameter, its unit are mm, and TPV is the torque per unit volume of the rotor, and its unit is kNmm-3, and 5kNmm-3
≤TPV≤45kN·m·m-3。
3. motor as claimed in claim 2, it is characterised in that the motor stator also includes multiple plug connectors, each motor
The more motor down-leads in lead wire set pass through at least one plug connector and circuit for controlling motor grafting.
4. motor as claimed in claim 3, it is characterised in that the quantity of the plug connector is two, each motor down-lead group
In the more motor down-leads pass through a plug connector and circuit for controlling motor grafting.
5. motor as claimed in claim 3, it is characterised in that the quantity of the plug connector and the number of the more motor down-leads
Amount is corresponding, and is connected one to one with the more motor down-leads.
6. motor as claimed in claim 4, it is characterised in that each coil group has the 2n joints, and wherein n is
Positive integer, the outlet that the 2n joints are divided into the lead-in line joint and the n composition leading-out terminal of the n composition end of incoming cables connect
Head, a motor down-lead with being connected the n lead-in line joints in two plug connectors connect, and another is with being connected
A piece motor down-lead connection of the n outlet joints.
7. motor as claimed in claim 6, it is characterised in that the quantity of the coil group is 3, and each coil group has one
Individual lead-in line joint and an outlet joint.
8. the motor as described in claim 1 to 7 any one, it is characterised in that the rated speed of the motor be more than or
Equal to 6000 revs/min.
9. the motor as described in claim 1 to 7 any one, it is characterised in that the maximum (top) speed of the motor be more than or
Equal to 9000 revs/min.
10. a kind of compressor, it is characterised in that including the motor described in claim 1 to 9 any one, on the compressor
It is provided with least six binding posts for being used to be connected with the motor down-lead.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721112311.2U CN207184181U (en) | 2017-08-31 | 2017-08-31 | Motor and compressor |
| JP2019566575A JP2020522226A (en) | 2017-08-31 | 2018-05-28 | Electric motor and compressor |
| PCT/CN2018/088650 WO2019041915A1 (en) | 2017-08-31 | 2018-05-28 | Motor and compressor |
| EP18850551.5A EP3644476A4 (en) | 2017-08-31 | 2018-05-28 | Motor and compressor |
| US16/741,878 US11545864B2 (en) | 2017-08-31 | 2020-01-14 | Electric motor and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721112311.2U CN207184181U (en) | 2017-08-31 | 2017-08-31 | Motor and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207184181U true CN207184181U (en) | 2018-04-03 |
Family
ID=61741803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721112311.2U Active CN207184181U (en) | 2017-08-31 | 2017-08-31 | Motor and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207184181U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107465279A (en) * | 2017-08-31 | 2017-12-12 | 广东美芝制冷设备有限公司 | Motor and compressor |
-
2017
- 2017-08-31 CN CN201721112311.2U patent/CN207184181U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107465279A (en) * | 2017-08-31 | 2017-12-12 | 广东美芝制冷设备有限公司 | Motor and compressor |
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