CN209434984U - Rotor and magneto with automatic weak-magnetic structure - Google Patents
Rotor and magneto with automatic weak-magnetic structure Download PDFInfo
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- CN209434984U CN209434984U CN201822189968.XU CN201822189968U CN209434984U CN 209434984 U CN209434984 U CN 209434984U CN 201822189968 U CN201822189968 U CN 201822189968U CN 209434984 U CN209434984 U CN 209434984U
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- magnetic conduction
- conduction powder
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- permanent magnet
- magnetic
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Abstract
The utility model relates to magneto technical fields, more particularly, to a kind of rotor and magneto with automatic weak-magnetic structure；Turntable unit is installed including multiple permanent magnets set of successively folding；Permanent magnet installation turntable unit is equipped with multiple permanent magnets and installs through-hole and magnetic conduction powder accommodating cavity；Adjacent two permanent magnet installs and compensates channel connection by magnetic conduction powder between through-hole；Each magnetic conduction powder compensation channel is connected to the magnetic conduction powder accommodating cavity, and connectivity part is equipped with critical switch valve；When rotor high-speed rotation, leakage magnetic flux increases, and the magnetic flux across air gap reduces, and realizes weak magnetic；Revolving speed reduces, and the centrifugal force that magnetic conduction powder is subject to gradually decreases, and when magnetic conduction powder compensation channel moves to highest point, magnetic conduction powder returns to the magnetic conduction powder accommodating cavity, and the magnetic flux value across breath returns to normal condition；Automatic weak-magnetic expansion speed is realized, is easy to motor control, while electric efficiency and power density can be improved.
Description
Technical field
The utility model relates to magneto technical field, more particularly, to a kind of rotor with automatic weak-magnetic structure and
Magneto.
Background technique
Permanent magnet synchronous motor is widely applied because its good working performance advantage is now subjected to, especially built-in type permanent-magnet
Body is because d axis is different from q axle inductance, and there are reluctance torques, can effectively promote the power density of motor.However, magneto is also deposited
In drawback, i.e., weak magnetic is needed in high speed, current main technological means is to increase d armature axis winding current to reduce excitation magnetic
Logical, such that q shaft current component reduces, torque is reduced when high speed, and electric current is not efficiently used, while motor is damaged
Consumption increases, and efficiency reduces.Under the premise of power supply capacity is certain, realize that the above weak magnetism speed expansion of base speed is not easy to realize, while to electricity
Machine controller is put forward higher requirements, and therefore, it is necessary to seek new solution.
Therefore, the utility model is badly in need of providing a kind of new rotor with automatic weak-magnetic structure and forever regarding to the issue above
Magneto.
Utility model content
The purpose of this utility model is to provide a kind of new rotors and magneto with automatic weak-magnetic structure, pass through
The magnetic conduction powder compensation channel and the critical switch valve, to solve the skill that weak magnetism speed expansion existing in the prior art is not easy to realize
Art problem.
A kind of rotor with automatic weak-magnetic structure provided by the utility model successively folds the permanent magnet set peace including multiple
Fill turntable unit；It is circumferential uniformly distributed multiple for installing permanent magnet unit along the periphery of each permanent magnet installation turntable unit
Permanent magnet install through-hole；Adjacent two permanent magnet installs and compensates channel connection by magnetic conduction powder between through-hole；It is described forever
Magnet, which is installed, is equipped with multiple magnetic conduction powder accommodating cavities for containing magnetic conduction powder in turntable unit；Each magnetic conduction powder compensation channel is connected to
At least one described magnetic conduction powder accommodating cavity；Each magnetic conduction powder accommodating cavity and the connectivity part in magnetic conduction powder compensation channel are equipped with
Critical switch valve；The permanent magnet in each permanent magnet installation turntable unit installs through-hole and corresponds connection, and is formed
Permanent magnet installs through slot, and each permanent magnet, which installs to correspond on through slot, is coated with permanent magnet unit.
It further, further include that controller and multiple pressure being set in each magnetic conduction powder accommodating cavity that respectively correspond pass
Sensor；The critical switch valve is motor-driven valve；Each pressure sensor and each critical switch valve respectively with the control
Device electrical connection.
Further, the permanent magnet unit includes positive permanent magnet and negative permanent magnet；The permanent magnet installs through-hole
Spaced first, which installs through-hole and second, installs through-hole；Each positive permanent magnet installs that through-hole is corresponding to be worn with each described first
Dress, each negative permanent magnet install that through-hole is corresponding to be installed with each described second；The both ends in magnetic conduction powder compensation channel respectively with
Described first, which installs through-hole, installs through-hole with described second and is connected to.
Further, each magnetic conduction powder accommodating cavity is correspondingly arranged in center and the institute in each magnetic conduction powder compensation channel
It states on the line between the center of circle of permanent magnet installation turntable unit.
Further, magnetic conduction powder compensation channel includes installing the first magnetic conduction powder that through-hole is connected to described first to fill powder
Hole installs the second magnetic conduction powder that through-hole is connected to described second and fills powder hole, fills powder hole and described with the first magnetic conduction powder is connected to
Second magnetic conduction powder fills the conductance slot in powder hole；The conductance slot is connected to the magnetic conduction powder accommodating cavity, and the critical switch valve is set
It is placed on the conductance slot.
Further, it described first installs through-hole and described second and installs the angled setting of through-hole.
Further, the volume of the magnetic conduction powder accommodating cavity is greater than the volume in magnetic conduction powder compensation channel.
Further, the magnetic conduction powder accommodating cavity is spherical shape.
Further, shaft is equipped in the middle part of each permanent magnet installation turntable unit install through-hole, each shaft
It installs that through-hole is corresponding to be formed through shaft and install through slot, is coated with shaft on the shaft through slot.
A kind of magneto that the utility model also provides, including as above any turn with automatic weak-magnetic structure
Son.
The utility model has following progress compared with prior art:
It includes multiple permanent magnet peaces successively folded and set that rotor provided by the utility model with automatic weak-magnetic structure, which uses,
Fill turntable unit；The permanent magnet installation turntable unit is equipped with multiple permanent magnets and installs through-hole and contain the magnetic conduction powder of magnetic conduction powder
Accommodating cavity；Adjacent two permanent magnet installs and compensates channel connection by magnetic conduction powder between through-hole；Each magnetic conduction powder compensation is logical
Road is connected at least one described magnetic conduction powder accommodating cavity；The connection of each magnetic conduction powder accommodating cavity and magnetic conduction powder compensation channel
Place is equipped with critical switch valve；The permanent magnet in each permanent magnet installation turntable unit, which installs through-hole and corresponds, to be connected
It is logical, and form permanent magnet and install through slot, each permanent magnet installs the corresponding design for being coated with permanent magnet unit on through slot；?
Permanent magnet installation turntable unit is folded set after formed rotor high-speed rotation when, the critical switch valve is opened, the magnetic conduction
Powder compensates the connection between channel and the magnetic conduction powder accommodating cavity, effect of the magnetic conduction powder in the magnetic conduction powder accommodating cavity in centrifugal force
It is lower to enter magnetic conduction powder compensation channel, it is mounted on the permanent magnet unit leakage magnetic flux that the permanent magnet installs on through slot and increases, wear
The magnetic flux for crossing air gap reduces, and reaches weak magnetic purpose；When rotor speed gradually decreases, the centrifugal force that the magnetic conduction powder is subject to is small
In the gravity of its own, when magnetic conduction powder compensation channel moves to highest point, magnetic conduction powder returns to the magnetic conduction powder accommodating cavity, wears
The magnetic flux value for crossing breath returns to normal condition；The utility model realizes automatic weak-magnetic expansion speed, is easy to motor control, while can
To improve electric efficiency and power density.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram (main view) of the rotor described in the utility model with automatic weak-magnetic structure；
Fig. 2 is the structural schematic diagram (left view) of the rotor described in the utility model with automatic weak-magnetic structure；
Fig. 3 is the structural schematic diagram (section view of A-A in Fig. 1 that permanent magnet described in the utility model installs turntable unit
Figure)；
To have the structural schematic diagram of the rotor of automatic weak-magnetic structure described in the utility model, (B-B's cuts open Fig. 4 in Fig. 2
View)；
Schematic diagram (C in Fig. 3 when Fig. 5 is the rotor low-speed running described in the utility model with automatic weak-magnetic structure
Partial enlarged view)；
Fig. 6 is that the schematic diagram when rotor described in the utility model with automatic weak-magnetic structure runs at high speed (locally shows
It is intended to)；
Fig. 7 is that the electric appliance of the utility model connects block diagram.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Turn referring to what is shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, provided in the present embodiment with automatic weak-magnetic structure
Son installs turntable unit 1 including multiple permanent magnets set of successively folding；Periphery along each permanent magnet installation turntable unit is circumferential
Uniformly distributed multiple permanent magnets for installing permanent magnet unit 3 install through-hole 11；Adjacent two permanent magnet install through-hole it
Between by magnetic conduction powder compensate channel 4 be connected to；Multiple magnetic conductions for containing magnetic conduction powder are equipped in permanent magnet installation turntable unit
Powder accommodating cavity 2；Each magnetic conduction powder compensation channel is connected at least one described magnetic conduction powder accommodating cavity；Each magnetic conduction powder accommodating
The connectivity part in chamber and magnetic conduction powder compensation channel is equipped with critical switch valve 401, and the critical switch valve is used to turn in rotor
The magnetic conduction powder compensation channel and the magnetic conduction powder accommodating cavity is connected in speed when being higher than critical speed threshold value, be lower than in rotor speed and face
The magnetic conduction powder compensation channel and the magnetic conduction powder accommodating cavity are truncated when boundary's rotary speed threshold value；Each permanent magnet installs turntable unit
On the permanent magnet install through-hole correspond connection, and formed permanent magnet install through slot, each permanent magnet installs through slot
On correspondence be coated with permanent magnet unit；The magnetic conduction powder accommodating cavity is spherical shape.
It includes multiple permanent magnet peaces successively folded and set that rotor provided by the utility model with automatic weak-magnetic structure, which uses,
Fill turntable unit；The permanent magnet installation turntable unit is equipped with multiple permanent magnets and installs through-hole and contain the magnetic conduction powder of magnetic conduction powder
Accommodating cavity；Adjacent two permanent magnet installs and compensates channel connection by magnetic conduction powder between through-hole；Each magnetic conduction powder compensation is logical
Road is connected at least one described magnetic conduction powder accommodating cavity；The connection of each magnetic conduction powder accommodating cavity and magnetic conduction powder compensation channel
Place is equipped with critical switch valve；The permanent magnet in each permanent magnet installation turntable unit, which installs through-hole and corresponds, to be connected
It is logical, and form permanent magnet and install through slot, each permanent magnet installs the corresponding design for being coated with permanent magnet unit on through slot；?
Permanent magnet installation turntable unit is folded set after formed rotor high-speed rotation when, the critical switch valve is opened, the magnetic conduction
Powder compensates the connection between channel and the magnetic conduction powder accommodating cavity, effect of the magnetic conduction powder in the magnetic conduction powder accommodating cavity in centrifugal force
It is lower to enter magnetic conduction powder compensation channel, it is mounted on the permanent magnet unit leakage magnetic flux that the permanent magnet installs on through slot and increases, wear
The magnetic flux for crossing air gap reduces, and reaches weak magnetic purpose；When rotor speed gradually decreases, the centrifugal force that the magnetic conduction powder is subject to is small
In the gravity of its own, when magnetic conduction powder compensation channel moves to highest point, magnetic conduction powder returns to the magnetic conduction powder accommodating cavity, wears
The magnetic flux value for crossing breath returns to normal condition；The utility model realizes automatic weak-magnetic expansion speed, is easy to motor control, while can
To improve electric efficiency and power density.
Referring to shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, the present embodiment further includes that controller and multiple respectively correspond are set to
Pressure sensor 402 in each magnetic conduction powder accommodating cavity；The critical switch valve is motor-driven valve；Each pressure sensor and
Each critical switch valve is electrically connected with the controller respectively.
Hold referring to shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, pressure sensor 402 described in the present embodiment is set to the magnetic conduction powder
On the bottom wall for setting chamber 2, with gradually decreasing for rotor speed, the centrifugal force that magnetic conduction powder is subject to is gradually become smaller, when the weight of magnetic conduction powder
When power is greater than centrifugal force, when which turns to the upper end of the permanent magnet installation turntable unit, magnetic conduction powder is by weight
The effect of power can flow back to the magnetic conduction powder accommodating cavity, and magnetic conduction powder is pressed on the pressure sensor in the magnetic conduction powder accommodating cavity, and
With the reduction of rotor speed, the magnetic conduction powder for flowing back to the magnetic conduction powder accommodating cavity is gradually increased, when reaching a certain amount (generally
90% or more) when, when the pressure that the pressure sensor is subject to reaches closing pressure, the controller controls the pressure sensor
The corresponding critical switch valve is closed, and magnetic conduction powder is limited in the magnetic conduction powder accommodating cavity.
Referring to fig. 2, shown in Fig. 3, Fig. 5, Fig. 6, permanent magnet unit described in the present embodiment includes positive permanent magnet 31 and bears forever
Magnet 32；It includes spaced first installing through-hole 101 and second and installing through-hole 102 that the permanent magnet, which installs through-hole,；Each institute
It states positive permanent magnet and installs that through-hole is corresponding to be installed with each described first, it is corresponding that each negative permanent magnet with each described second installs through-hole
It installs；The both ends in magnetic conduction powder compensation channel install through-hole and described second with described first respectively and install through-hole and be connected to；Respectively
The positive permanent magnet and each negative permanent magnet interleaved are arranged.
Referring to shown in Fig. 3, Fig. 5, Fig. 6, each magnetic conduction powder accommodating cavity is correspondingly arranged in each described lead in the present embodiment
Magnetic powder compensates on the line between the center in channel and the center of circle of permanent magnet installation turntable unit, to facilitate magnetic conduction powder smooth
It flows into corresponding magnetic conduction powder compensation channel；Each magnetic conduction powder accommodating cavity and the permanent magnet install turntable unit
The distance between center of circle is identical, and magnetic conduction powder of critical switch valve when opening in each magnetic conduction powder accommodating cavity can enter simultaneously
The magnetic conduction powder compensates channel, realizes effective weak magnetic.
Referring to shown in Fig. 3, Fig. 5, Fig. 6, the compensation of magnetic conduction powder described in the present embodiment channel include installed with described first it is logical
First magnetic conduction powder of hole connection fills powder hole 41, installs the second magnetic conduction powder that through-hole is connected to described second and fills powder hole 42, and is connected to
The first magnetic conduction powder fills powder hole and the second magnetic conduction powder fills the conductance slot 43 in powder hole；The conductance slot and the magnetic conduction powder hold
Chamber connection is set, and the critical switch valve is set on the conductance slot；The first magnetic conduction powder fill powder hole and second install it is logical
Kong Jun is obliquely installed, in favor of the circulation of magnetic conduction powder.
Referring to fig. 2, shown in Fig. 3, Fig. 5, Fig. 6, first installs through-hole and described second and installs through-hole described in the present embodiment
Angled setting, to generate larger air gap flux density.
The volume of the accommodating cavity of magnetic conduction powder described in the present embodiment is greater than the volume in magnetic conduction powder compensation channel；To ensure to infuse
Enter the magnetic conduction powder capacity in each magnetic conduction powder compensation channel.
Referring to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, it is all provided in the middle part of each permanent magnet installation turntable unit in the present embodiment
There is shaft to install through-hole 112, each shaft installs that through-hole is corresponding to be formed through shaft and install through slot, wears on the shaft through slot
Equipped with shaft 111.
Controller described in the present embodiment is that the permanent magnet motor controller of think of difficult to understand source brand ASY-240 type or Shanghai electricity drive
The controller of the 35KW drive system of dynamic limited liability company；Listed herein is only its selectable brand and model, not to it
Brand signal is defined, and those skilled in the art can arbitrarily select according to actual needs, is no longer excessively repeated herein.
Pressure sensor described in the present embodiment is the pressure sensor of MT brand BF350 model, and listed herein is only it
Selectable brand and model is not defined its brand signal, and those skilled in the art can be any according to actual needs
Selection, no longer excessively repeats herein.
Critical switch valve described in the present embodiment be the prior art, structure and function be all it is well known, herein not after
It repeats more.
Each pressure sensor and each critical switch valve are wirelessly connected with the controller in the present embodiment, electricity
Control valve and controller are wirelessly connected this as the prior art, no longer excessively repeat herein；Pressure sensor and controller are wirelessly connected
This is the prior art, is no longer excessively repeated herein
Magnetic conduction powder described in the present embodiment is iron-nickel-based amorphous alloy or cobalt base amorphous alloy；Iron-nickel-based amorphous alloy and cobalt
The characteristics of base noncrystal alloy all has magnetic conduction and is not attracted by magnetic force.
Each controller controls the time of the opening of each critical switch valve to work as E in the present embodiment0=UNWhen,
In, E0For back-emf value, UNFor input rated voltage.
The present embodiment also provides a kind of magneto, which is characterized in that including having automatic weak-magnetic structure as described above
Rotor.
The method for realizing weak magnetic to the rotor with automatic weak-magnetic structure that the present embodiment also provides below, is simply retouched
It states:
When the back-emf value of the rotor of magneto provided by the utility model reaches input rated voltage；The control
Device processed sends open instructions to each critical switch valve, and each critical switch valve is connected magnetic conduction powder compensation channel and leads with described
Magnetic powder accommodating cavity, magnetic conduction powder enter magnetic conduction powder compensation channel, and magnetic flux leakage increases between adjacent two positive permanent magnet and negative permanent magnet, realizes
Weak magnetic；
With gradually decreasing for rotor speed, the centrifugal force that magnetic conduction powder is subject to is gradually become smaller, when the gravity of magnetic conduction powder is greater than
When centrifugal force, when which turns to the upper end of the permanent magnet installation turntable unit, work of the magnetic conduction powder by gravity
With that can flow back to the magnetic conduction powder accommodating cavity, magnetic conduction powder is pressed on the pressure sensor in the magnetic conduction powder accommodating cavity, and with turn
The reduction of rotor speed, the magnetic conduction powder for flowing back to the magnetic conduction powder accommodating cavity gradually increase, when reach a certain amount (generally 90% with
On) when, when the pressure that the pressure sensor is subject to reaches closing pressure, the controller is controlled corresponding to the pressure sensor
The critical switch valve close, magnetic conduction powder is limited in the magnetic conduction powder accommodating cavity.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of rotor with automatic weak-magnetic structure, which is characterized in that install turntable including multiple permanent magnets set of successively folding
Unit；It is circumferential uniformly distributed multiple for installing the permanent magnetism of permanent magnet unit along the periphery of each permanent magnet installation turntable unit
Body installs through-hole；Adjacent two permanent magnet installs and compensates channel connection by magnetic conduction powder between through-hole；Pacify in the permanent magnet
It fills and is equipped with multiple magnetic conduction powder accommodating cavities for containing magnetic conduction powder in turntable unit；Each magnetic conduction powder compensation channel is connected at least one
A magnetic conduction powder accommodating cavity；Each magnetic conduction powder accommodating cavity and the connectivity part in magnetic conduction powder compensation channel are equipped with critical open
Close valve；The permanent magnet in each permanent magnet installation turntable unit installs through-hole and corresponds connection, and forms permanent magnet
Through slot is installed, each permanent magnet, which installs to correspond on through slot, is coated with permanent magnet unit.
2. according to claim 1 with the rotor of automatic weak-magnetic structure, which is characterized in that further include controller and multiple points
The pressure sensor not being correspondingly arranged in each magnetic conduction powder accommodating cavity；The critical switch valve is motor-driven valve；Each pressure
Force snesor and each critical switch valve are electrically connected with the controller respectively.
3. according to claim 2 with the rotor of automatic weak-magnetic structure, which is characterized in that the permanent magnet unit includes just
Permanent magnet and negative permanent magnet；It includes spaced first installing through-hole and second and installing through-hole that the permanent magnet, which installs through-hole,；
Each positive permanent magnet installs that through-hole is corresponding to be installed with each described first, and each negative permanent magnet and each described second installs through-hole
Correspondence installs；The both ends in magnetic conduction powder compensation channel install through-hole and described second with described first respectively and install through-hole company
It is logical.
4. according to claim 3 with the rotor of automatic weak-magnetic structure, which is characterized in that each magnetic conduction powder accommodating cavity is equal
The line being correspondingly arranged between the center in each magnetic conduction powder compensation channel and the center of circle of permanent magnet installation turntable unit
On.
5. according to claim 4 with the rotor of automatic weak-magnetic structure, which is characterized in that magnetic conduction powder compensation channel packet
It includes and installs the first magnetic conduction powder that through-hole is connected to described first and fill powder hole, install the second magnetic conduction powder that through-hole is connected to described second
Powder hole is filled, and is connected to the conductance slot that the first magnetic conduction powder fills powder hole and the second magnetic conduction powder fills powder hole；The conductance slot with
The magnetic conduction powder accommodating cavity connection, and the critical switch valve is set on the conductance slot.
6. according to claim 5 with the rotor of automatic weak-magnetic structure, which is characterized in that described first installs through-hole and institute
It states second and installs the angled setting of through-hole.
7. according to claim 6 with the rotor of automatic weak-magnetic structure, which is characterized in that the appearance of the magnetic conduction powder accommodating cavity
Product is greater than the volume in magnetic conduction powder compensation channel.
8. according to claim 7 with the rotor of automatic weak-magnetic structure, which is characterized in that the magnetic conduction powder accommodating cavity is ball
Shape.
9. according to claim 8 with the rotor of automatic weak-magnetic structure, which is characterized in that each permanent magnet installs turntable
It is equipped with shaft in the middle part of unit and installs through-hole, each shaft installs that through-hole is corresponding to be formed through shaft and install through slot, described
Shaft is coated on shaft through slot.
10. a kind of magneto, which is characterized in that including as described in any in claim 1-9 with automatic weak-magnetic structure
Rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822189968.XU CN209434984U (en) | 2018-12-25 | 2018-12-25 | Rotor and magneto with automatic weak-magnetic structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822189968.XU CN209434984U (en) | 2018-12-25 | 2018-12-25 | Rotor and magneto with automatic weak-magnetic structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209434984U true CN209434984U (en) | 2019-09-24 |
Family
ID=67973629
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822189968.XU Active CN209434984U (en) | 2018-12-25 | 2018-12-25 | Rotor and magneto with automatic weak-magnetic structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209434984U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450137A (en) * | 2018-12-25 | 2019-03-08 | 北斗航天汽车（北京）有限公司 | Rotor and magneto with automatic weak-magnetic structure |
-
2018
- 2018-12-25 CN CN201822189968.XU patent/CN209434984U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450137A (en) * | 2018-12-25 | 2019-03-08 | 北斗航天汽车（北京）有限公司 | Rotor and magneto with automatic weak-magnetic structure |
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