CN207039418U - Compressor magneto and there is its compressor - Google Patents
Compressor magneto and there is its compressor Download PDFInfo
- Publication number
- CN207039418U CN207039418U CN201720625115.9U CN201720625115U CN207039418U CN 207039418 U CN207039418 U CN 207039418U CN 201720625115 U CN201720625115 U CN 201720625115U CN 207039418 U CN207039418 U CN 207039418U
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- magneto
- compressor
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- permanent magnet
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Abstract
The utility model discloses a kind of compressor magneto and there is its compressor, the magneto includes rotor, and the rotor has rotor core and permanent magnet, stator, and the stator includes：Stator core stator winding, the stator winding is three-phase, there are two groups of coil taps per phase winding, one group coil tap of the every group of coil tap with other phase windings per phase winding is connected on same root lead-out wire, the every lead-out wire is connected with drawing line terminals, rated speed n >=5000rpm of the magneto, the magneto is under 1000rpm rotating speeds, and maximum voltage effective value Um meets between two back-emf virtual value E drawn between line terminals and the two extraction line terminals provided to the magneto：Um/E≥5.According to compressor magneto of the present utility model, speed-regulating range width, can in wide frequency ranges reliability service.
Description
Technical field
It the utility model is related to Compressor Technology field, more particularly to a kind of compressor magneto and there is its pressure
Contracting machine.
Background technology
Related high speed motor reliability service in very wide frequency range, then require that the back emf coefficient of motor is low.
Therefore, it is however generally that, the electric current of high-speed electric expreess locomotive is big.To ensure motor reliability requirement, stator winding is needed with thick conductor even
Several paralleled conductor is set.And thick conductor and several paralleled conductor can cause manufacturing to be deteriorated；Meanwhile the kelvin effect of high-speed electric expreess locomotive winding
Become apparent from, thick conductor is because kelvin effect causes AC resistance to increase, so as to reduce electric efficiency.
Utility model content
The utility model is intended to one of technical problem at least solving in correlation technique to a certain extent.Therefore, this reality
With a kind of compressor magneto of new proposition, the magneto can realize high speed reliability operation and speed adjustable range
It is wide.
The utility model also proposed a kind of compressor with above-mentioned compressor magneto.
According to the compressor magneto of the utility model first aspect embodiment, including rotor, the rotor has
Rotor core and permanent magnet, stator, the stator include：Stator core stator winding, the stator winding are three-phase, per mutually around
Group has two groups of coil taps, and one group coil tap of the every group of coil tap per phase winding with other phase windings is connected to together
On a piece lead-out wire, the every lead-out wire is connected with drawing line terminals, rated speed n >=5000rpm of the magneto,
The magneto is under 1000rpm rotating speeds, two back-emf virtual value E drawn between line terminals and to the Permanent Magnet and Electric
Maximum voltage effective value Um meets between two extraction line terminals that machine provides：Um/E≥5.
According to compressor magneto of the present utility model, the line footpath of stator winding can be smaller, realizes high copper factor, real
The high efficiency of existing motor, improves the manufacturing process of motor, and can high-speed small-size the characteristics of, speed-regulating range width.Meanwhile can have
Effect reduces the kelvin effect of stator winding at high speeds, reduces AC resistance, lifting motor efficiency, and can ensure the height of motor
Degree effectively operation so that motor can in wide frequency ranges reliability service.
In addition, technical characteristic additional as follows can also be had according to compressor magneto of the present utility model：
According to some embodiments of the utility model, maximum (top) speed N >=9000rpm of the magneto.
According to some embodiments of the utility model, the peak power Pm and the Um of the magneto meet：Pm/Um
≤ 50。
According to some embodiments of the utility model, the rotor of the magneto is embedded permanent magnet structure.
According to some embodiments of the utility model, the rotor of the magneto is permanent magnet surface-mount type structure.
According to some embodiments of the utility model, the permanent magnet is multiple, and multiple permanent magnets are along the rotor
Circumferentially-spaced open up of iron core is put.
According to some embodiments of the utility model, the permanent magnet is annular permanent magnet, and the permanent magnet is located at described
On rotor core.
According to some embodiments of the utility model, there is multiple coils, one end structure of multiple coils per phase winding
Into one group of coil tap, the other end of multiple coils forms another group of coil tap.
Include the compressor magneto of above-described embodiment according to the compressor of the utility model second aspect.
Because the compressor magneto according to the utility model above-described embodiment has above-mentioned technique effect, therefore,
The compressor of the utility model embodiment also has above-mentioned technique effect, i.e., according to the compressor of the utility model embodiment, leads to
The compressor magneto that above-described embodiment is set is crossed, so as to improve the overall performance of compressor.
According to some embodiments of the utility model, the compressor also includes：Frequency converter, the frequency converter with it is described forever
Magneto is connected to be powered to the magneto.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Fig. 1 is according to the compressor magneto of the utility model embodiment and the structural representation of frequency converter；
Fig. 2 is the structural representation according to the stator of the compressor magneto of the utility model embodiment；
Fig. 3 is the structural representation according to the rotor of the compressor magneto of the utility model one embodiment；
Fig. 4 is the structural representation according to the rotor of the compressor magneto of the utility model another embodiment；
Fig. 5 is the structural representation of the rotor according to the utility model and the compressor magneto of embodiment；
Fig. 6 is the structural representation according to the compressor of the utility model embodiment.
Reference：
1000：Compressor；
100：The stator of compressor magneto；
10：Stator core, 11：Stator tooth, 12：Stator slot；
20：Stator winding, 21：Coil tap；
30：Lead-out wire, 31：Draw line terminals；
200：Rotor, 201：Rotor core, 202：Permanent magnet, 203：Permanent magnet trough；
300：Bent axle；
400：Base bearing；
500：Cylinder；
600：Piston；
700：Supplementary bearing；
800：Frequency converter.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings.Below by
The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that new to this practicality
The limitation of type.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, such as two
It is individual, three etc., unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect or can communicate each other；Can be joined directly together, the indirect phase of intermediary can also be passed through
Even, can be two element internals connection or two elements interaction relationship, limited unless otherwise clear and definite.For this
For the those of ordinary skill in field, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
Below with reference to the accompanying drawings compressor magneto according to the utility model embodiment is described.
As shown in figs 1 to 6, rotor 200 can be included according to the utility model embodiment compressor magneto and determined
Son 100.
Specifically, rotor 200 has the iron core of rotor 200 and permanent magnet 202, and permanent magnet 202 is located on the iron core of rotor 200.
Stator 100 includes stator core 10 and stator winding 20, and as depicted in figs. 1 and 2, stator core 10 is provided with stator
Groove 12, it is connected between stator slot 12 formed with stator tooth 11, stator winding 20 is by stator slot 12 around being located on stator tooth 11.
Stator winding 20 is three-phase, has two groups of coil taps per phase winding, often every group of coil tap group of phase winding with other phases
One group of coil tap 21 of winding is connected on same root lead-out wire 30, and the coil tap 21 of three-phase windings is connected can be formed two-by-two
For triangle.Three-phase windings coil tap 21 can be connected with three lead-out wires 30 respectively after connecting.
For example, can include first group of coil tap 21 and second group of coil tap 21 per phase winding, three-phase can be respectively A
The coil tap 21 of phase, B phases and C phases, wherein A phase windings can be first group of coil tap a and second group of coil tap a, B
The coil tap 21 of phase winding can be first group of coil tap b and second group of coil tap b, thus, first group of coil tap
A is connected with second group of coil tap b and is connected to same lead-out wire 30, first group of coil tap b and second group of coil tap
C is connected and is connected on another lead-out wire 30, and first group of coil tap c is connected with second group of coil tap a and be connected to same
On a piece lead-out wire 30.
Every lead-out wire 30 is connected with drawing line terminals 31, and specifically, one end of lead-out wire 30 is connected with stator winding 20,
The other end of lead-out wire 30 is connected with drawing line terminals 31, and is connected with external circuit.The rated speed n of magneto >=
5000rpm, magneto is under 1000rpm rotating speeds, two back-emf virtual value E drawn between line terminals 31 and to magneto
Maximum voltage effective value Um meets between two extraction line terminals 31：Um/E≥5.In other words, any two draws line terminals 31
Between to the voltage effective value of maximum be Um and two to draw the back-emf virtual value between line terminals 31 be E, the utility model
Rated speed n >=5000 rev/min of magneto and the motor Um and E at 1000 revs/min meet：Um/E≥5.Now,
Using the above-mentioned mode of connection, can have the characteristics of high-speed small-size, speed-regulating range width.Meanwhile it can effectively reduce stator winding
20 kelvin effect at high speeds, reduce AC resistance, lifting motor efficiency, and can ensure that the height of motor is effectively transported
OK so that motor can in wide frequency ranges reliability service.
Thus, according to the compressor magneto of the utility model embodiment, by specified turn that limits magneto
Fast n >=5000rpm, magneto under 1000rpm rotating speeds, two draw line terminals 31 between back-emf virtual value E and to forever
Maximum voltage effective value Um meets between two extraction line terminals 31 of magneto：Um/E >=5, one group of coil of the winding of adjacent phase
Tap 21 is connected with another coil tap 21 of other windings, and thus, the line footpath of stator winding 20 can be smaller, realizes that high groove is expired
Rate, realize the high efficiency of motor, improve the manufacturing process of motor, and can high-speed small-size the characteristics of, speed-regulating range width.Together
When, the kelvin effect of stator winding 20 at high speeds can be effectively reduced, reduces AC resistance, lifting motor efficiency, and can protect
Card motor height effectively run so that motor can in wide frequency ranges reliability service.
For Um and E ratio, can be realized by changing the structure of compressor, for example, can be by adjusting magneto
The winding mode of coil turn or winding is realized.
Alternatively, maximum (top) speed N >=9000rpm of magneto.In other words, the maximum of magneto of the present utility model
Rotating speed is more than or equal to 9000 rev/min and rated speed is more than or equal to 5000 revs/min, thus, so as to further
Enable magneto reliability service in the range of broadband under height, while the reliability of motor can be ensured, with reality
The miniature high-speed of existing magneto, while the efficiency of motor can be improved.
In some embodiments of the utility model, the peak power Pm and Um of magneto can meet：Pm/Um≤
50.Thus, so as to prevent the electric current of magneto excessive, motor is caused to be damaged, while can also reduce stator winding 20
Coil number, while motor reliability service is ensured, be also convenient for stator winding 20 winding displacement wiring, simplify magneto knot
Structure, improve manufacturing.
In some embodiments of the utility model, the rotor 200 of magneto can be 202 embedded knot of permanent magnet
Structure, thus permanent magnet 202 be located inside rotor 200 so that the structure of rotor 200 is simple, high mechanical strength and manufacturing cost are low,
And under surface loss, while reluctance torque can be effectively utilized, to improve the torque density of motor and efficiency.In this practicality
In other new embodiments, the rotor 200 of magneto can be the surface-mount type structure of permanent magnet 202.Permanent magnet 202 is located at
In the outer radial periphery of the iron core of rotor 200, it is simple in construction and it is convenient manufacture, alternatively, permanent magnet 202 can by it is gluing,
The mode such as tie up, be spacing to be fixed.
For permanent magnet 202, as shown in Figure 3 and Figure 4, permanent magnet 202 can be multiple, multiple edges of permanent magnet 202
Circumferentially-spaced open up of the iron core of rotor 200 is put.In example as shown in Figure 3, the iron core of rotor 200 is provided with multiple permanent magnet troughs
203, multiple permanent magnet troughs 203 are put along circumferentially-spaced open up of permanent magnet 202, and each permanent magnet trough 203 is in the iron core of rotor 200
Axle extend upward through the iron core of rotor 200, multiple permanent magnet troughs 203 are arranged in multiple permanent magnet troughs 203.
In other examples of the present utility model, permanent magnet 202 can be formed as multistage, and every section of permanent magnet 202 is formed
For arc, multistage arc-shaped permanent magnet 202 is circumferentially spaced setting, so as to convenient installation.
In other embodiments of the present utility model, permanent magnet 202 can be annular permanent magnet 202, and permanent magnet 202 is set
On the iron core of rotor 200.As shown in figure 5, permanent magnet 202 can be formed as integral annular, annular permanent magnet 202 and rotor 200
Iron core, and without the danger that flies out under height, so as to further improve the security of magneto High Level operation and can
By property.
In other embodiments of the present utility model, there are multiple coils per phase winding, one end of multiple coils is formed
One group of coil tap 21, the other end of multiple coils form another group of coil tap 21.Thus, it is possible to simplify structure, it is easy to connect
Line.For example, every phase winding in stator winding 20 includes n coil, each coil respectively has two coil taps 21, i.e., per phase
Winding has 2n coil tap 21.Preferably, the individual sub- coils from parallel connection of coils inside every phase winding is set, and every group of coil is led by single
Some circles of line coiling.I.e. parallel branch number is n, and one end of n coil in every phase winding forms a group coil tap
21, and the other end forms another group of coil tap 21.
In addition, the utility model also proposed a kind of compressor 100 with the compressor magneto.
Because the compressor magneto according to the utility model above-described embodiment has above-mentioned technique effect, therefore,
The compressor of the utility model embodiment also has above-mentioned technique effect, i.e., according to the compressor of the utility model embodiment
1000, by setting the magneto of above-described embodiment, so as to improve the overall performance of compressor so that compressor 100
Being capable of Effec-tive Function.
In some embodiments of the utility model, as shown in figure 1, compressor can also include frequency converter 800, frequency converter
800 are connected with magneto to be powered to magneto.Thus, input of the output of frequency converter 800 as magneto, i.e.,
The virtual value for the maximum voltage that frequency conversion 800 exports is Um, and the voltage effective value of the outlet side of frequency converter 800 is U≤Um.It is described forever
Magneto back-emf virtual value between 1000rpm lower terminals is set as E, then meets：Um/E≥5.
As shown in fig. 6, according to other compositions of the compressor 1000 of the utility model embodiment such as cylinder 500, main shaft
It is all for those of ordinary skills to hold 400, supplementary bearing 700, piston 600 and bent axle 300 etc. and operation
Know, be not detailed herein.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature
Can be that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.
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 the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff the different embodiments or example and the feature of different embodiments or example described in this specification can be entered
Row combines and combination.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (10)
- A kind of 1. compressor magneto, it is characterised in that including：Rotor, the rotor have rotor core and permanent magnet,Stator, the stator include：Stator coreStator winding, the stator winding are three-phase, have two groups of coil taps per phase winding, every group of coil per phase winding is taken out One group coil tap of the head with other phase windings is connected on same root lead-out wire, and the every lead-out wire is with drawing line terminals It is connected, rated speed n >=5000rpm of the magneto, the magneto draws under 1000rpm rotating speeds described in two Maximum voltage between back-emf virtual value E between outlet terminal and two extraction line terminals to magneto offer Virtual value Um meets：Um/E≥5.
- 2. compressor magneto according to claim 1, it is characterised in that the maximum (top) speed N of the magneto ≥9000rpm。
- 3. compressor magneto according to claim 1, it is characterised in that the peak power Pm of the magneto Meet with the Um：Pm/Um≤50.
- 4. compressor magneto according to claim 1, it is characterised in that the rotor of the magneto is permanent magnetism Internal embedded structure.
- 5. compressor magneto according to claim 1, it is characterised in that the rotor of the magneto is permanent magnetism The mounted structure of body surface.
- 6. compressor magneto according to claim 1, it is characterised in that the permanent magnet is multiple, Duo Gesuo Permanent magnet is stated to put along circumferentially-spaced open up of the rotor core.
- 7. compressor magneto according to claim 1, it is characterised in that the permanent magnet is annular permanent magnet, The permanent magnet is located on the rotor core.
- 8. compressor magneto according to claim 1, it is characterised in that there are multiple coils per phase winding, it is more One end of the individual coil forms one group of coil tap, and the other end of multiple coils forms another group of coil tap.
- 9. a kind of compressor, its spy is being：Include the magneto any one of claim 1-8.
- 10. compressor according to claim 9, in addition to：Frequency converter, the frequency converter be connected with the magneto with Powered to the magneto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720625115.9U CN207039418U (en) | 2017-05-31 | 2017-05-31 | Compressor magneto and there is its compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720625115.9U CN207039418U (en) | 2017-05-31 | 2017-05-31 | Compressor magneto and there is its compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207039418U true CN207039418U (en) | 2018-02-23 |
Family
ID=61470810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720625115.9U Active CN207039418U (en) | 2017-05-31 | 2017-05-31 | Compressor magneto and there is its compressor |
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| Country | Link |
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| CN (1) | CN207039418U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108539943A (en) * | 2018-06-19 | 2018-09-14 | 安徽美芝精密制造有限公司 | Permanent magnet synchronous motor and compressor |
| CN109812500A (en) * | 2019-02-21 | 2019-05-28 | 珠海格力电器股份有限公司 | The termination and compressor and refrigeration equipment of a kind of magnetic suspension bearing |
| CN110768431A (en) * | 2018-07-27 | 2020-02-07 | 广东美芝制冷设备有限公司 | Stator for motor, permanent magnet motor with same and compressor |
-
2017
- 2017-05-31 CN CN201720625115.9U patent/CN207039418U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108539943A (en) * | 2018-06-19 | 2018-09-14 | 安徽美芝精密制造有限公司 | Permanent magnet synchronous motor and compressor |
| CN108539943B (en) * | 2018-06-19 | 2024-03-29 | 广东威灵汽车部件有限公司 | Permanent magnet synchronous motor and compressor |
| CN110768431A (en) * | 2018-07-27 | 2020-02-07 | 广东美芝制冷设备有限公司 | Stator for motor, permanent magnet motor with same and compressor |
| CN110768431B (en) * | 2018-07-27 | 2021-08-31 | 广东美芝制冷设备有限公司 | Stator for motor, permanent magnet motor with same and compressor |
| CN109812500A (en) * | 2019-02-21 | 2019-05-28 | 珠海格力电器股份有限公司 | The termination and compressor and refrigeration equipment of a kind of magnetic suspension bearing |
| CN109812500B (en) * | 2019-02-21 | 2024-05-03 | 珠海格力电器股份有限公司 | Wiring device of magnetic suspension bearing, compressor and refrigeration equipment |
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