CN209462233U - A kind of bimorph transducer composite rotors direct current generator - Google Patents
A kind of bimorph transducer composite rotors direct current generator Download PDFInfo
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- CN209462233U CN209462233U CN201920223788.0U CN201920223788U CN209462233U CN 209462233 U CN209462233 U CN 209462233U CN 201920223788 U CN201920223788 U CN 201920223788U CN 209462233 U CN209462233 U CN 209462233U
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- stator winding
- rotor assembly
- external stator
- direct current
- current generator
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Abstract
The utility model belongs to technical field of motors, is related to a kind of bimorph transducer composite rotors direct current generator, comprising: inner stator, external stator, inner stator winding, external stator winding and rotor assembly.Rotor assembly is between inner stator and external stator, and inner stator, rotor assembly and external stator are arranged concentrically；Inner stator winding and external stator winding are separately positioned on inner stator and external stator, inner stator winding and external stator windings in series normal thereto or compose in parallel a stator winding, and star or triangle connection are set as between stator winding；Rotor assembly is made of non-magnetic rotor rack and two magnetic inductive blocks.The utility model rotor assembly without winding, do not have to permanent magnet, therefore no current passes through, and rotor assembly does not generate heat；In addition, also having the advantages that easy to control, cheap, high-efficient, torque ripple and noise are small.
Description
Technical field
The invention belongs to technical field of motors, and in particular to a kind of bimorph transducer composite rotors direct current generator.
Background technique
Currently used motor has asynchronous machine, switched reluctance machines, common synchronization motor, common DC motor, rare earth
Non-brush permanent-magnet DC motor etc..Wherein, asynchronous machine, common synchronization motor and common DC motor rotor have electric current to pass through, turn
Son fever, while low efficiency.Switch reluctance machine rotor no current does not generate heat, but torque ripple is big, noise is big.Rare earth is forever
Magnetic brushless DC motor does not generate heat, is high-efficient, while torque ripple and noise are small, is a kind of ideal motor, but needs
Expensive rare earth permanent-magnetic material is used, motor cost is too high.
Utility model content
The purpose of the utility model is to overcome deficiencies in the prior art, provide a kind of bimorph transducer composite rotors direct current
Machine has the advantages that high efficiency, low cost, low torque fluctuation and low noise.
To achieve the above objectives, the present invention adopts the following technical solutions:
A kind of bimorph transducer composite rotors direct current generator, comprising: inner stator, external stator, inner stator winding, external stator winding and
Rotor assembly, rotor assembly is between inner stator and external stator, and inner stator, rotor assembly and external stator are arranged concentrically；It is interior
Stator winding is along the circumferential direction set in qually spaced on inner stator, and external stator winding is along the circumferential direction set in qually spaced in external stator
On, inner stator winding and external stator windings in series normal thereto or a stator winding is composed in parallel, is set between stator winding
It is set to star or triangle connection；Rotor assembly is made of non-magnetic rotor rack and two magnetic inductive blocks, there are two rotor rack is set
Opposite opening portion, two magnetic inductive blocks are respectively embedded into two opening portions；When direct current generator is powered, what inner stator winding generated
The external stator winding in magnetic field applies electromagnetic force and external stator winding is made to have what is rotated clockwise or counterclockwise to become always
Gesture, the rotating tendency of external stator winding apply reaction force to rotor assembly so that rotor assembly always along counterclockwise or
It is rotated clockwise.
Further, direct current generator be powered when, inner stator winding generate magnetic field always with external stator winding generate magnetic
Field is mutually perpendicular to.
Further, by being connect direct current generator with inverter and realizing rotor assembly by the control of inverter
Clockwise or counterclockwise.
Further, the suitable of rotor assembly is realized by connecting for inverter control inner stator winding and external stator winding
Hour hands or counterclockwise rotation.
Further, above-mentioned bimorph transducer composite rotors direct current generator further includes rotor-position sensor, the rotor-position
Sensor is used to sense the position of rotor, and the position signal sensed is sent to inverter.
Further, the inner stator winding is set as 12, and the external stator winding is set as 18.
Further, the rotor rack is made of plastics, aluminium or ceramics.
Compared with prior art, the utility model has following advantageous effects: the bimorph transducer of the utility model is compound
Rotor DC motor rotor without winding, do not have to permanent magnet, therefore no current passes through, and rotor does not generate heat.In addition, also having controlling party
Just, high-efficient, at low cost, torque ripple and the small advantage of noise.
Detailed description of the invention
Fig. 1 shows the structure of the rotor assembly of the utility model embodiment；
Fig. 2 shows the structures of the bimorph transducer composite rotors direct current generator of the utility model embodiment；
Fig. 3 shows two kinds of connection types of inner stator winding and external stator winding in the utility model embodiment；
Fig. 4 shows the bimorph transducer composite rotors direct current generator of the utility model embodiment and the circuit side connector of inverter
Formula；
Fig. 5 show when switch K2 is connected with K6 in the position and Fig. 4 of rotor assembly inner stator winding and external stator around
The magnetic field that group generates；
Fig. 6 show when switch K1 is connected with K6 in the position and Fig. 4 of rotor assembly inner stator winding and external stator around
The magnetic field that group generates；
Fig. 7 show when switch K1 is connected with K5 in the position and Fig. 4 of rotor assembly inner stator winding and external stator around
The magnetic field that group generates；
Fig. 8 show when switch K3 is connected with K5 in the position and Fig. 4 of rotor assembly inner stator winding and external stator around
The magnetic field that group generates；
Fig. 9 show when switch K3 is connected with K4 in the position and Fig. 4 of rotor assembly inner stator winding and external stator around
The magnetic field that group generates；
Figure 10 show when switch K2 is connected with K4 in the position and Fig. 4 of rotor assembly inner stator winding and external stator around
The magnetic field that group generates.
In figure, 1 rotor assembly；2 rotor racks；3 magnetic inductive blocks；4 inner stators；5 external stators.
Specific embodiment
The utility model is further described combined with specific embodiments below.Following embodiment is only used for clearly
Illustrate the technical solution of the utility model, and cannot be used as a limitation the limitation protection scope of the utility model.
The utility model is described further with reference to the accompanying drawings and examples.
As shown in Fig. 1 to 2, a kind of bimorph transducer composite rotors direct current generator, comprising: inner stator 4, external stator 5, inner stator around
Group A, B, C, external stator winding X, Y, Z, rotor-position sensor (not shown), rotor rack 2 and magnetic inductive block 3.Rotor rack 2 is led by non-
Magnetic material is made, such as plastics, aluminium or ceramics.Wherein rotor rack 2 and magnetic inductive block 3 constitute rotor assembly 1, specifically, rotor rack 2
If there are two opposite opening portion, magnetic inductive block 3 is set as two, is respectively embedded into two opening portions.Rotor assembly 1 is located at default
Between son 4 and external stator 5, inner stator 4, external stator 5 and rotor assembly 1 are installed with one heart.
Inner stator winding A, B, C are along the circumferential direction set in qually spaced on inner stator, the circumferentially side external stator winding X, Y, Z
To being set in qually spaced on external stator.Preferably, 5 inner surface of external stator is uniformly slotted with 4 outer surface of inner stator, external stator winding
X, Y, Z are embedded respectively in each slot of external stator 5, and inner stator winding A, B, C are embedded respectively in each slot of inner stator 4.
Inner stator winding A forms a stator winding together with external stator winding X serial or parallel connection normal thereto；
Inner stator winding B forms another stator winding together with external stator winding Y serial or parallel connection normal thereto；Inner stator
Winding C forms another stator winding together with external stator winding Z serial or parallel connection normal thereto, between stator winding
It is connected by star or triangle connection type, as shown in Figure 3.
When motor works, to be connect with inverter.In the present embodiment, stator winding and external stator windings in series are within
Example illustrates that the connection type of motor and inverter is as shown in Figure 4.Work below with reference to Fig. 4 to the motor of the utility model
Principle is illustrated.
When rotor assembly 1 is located at the position of Fig. 5, rotor-position sensor detects the position of rotor assembly 1, then gives
Inverter issues control signal, and inverter control switch K2 is connected with K6, and then inner stator winding A and external stator winding X is powered,
Electric current flows to external stator winding X by inner stator winding A, and inner stator winding A generates magnetic field in inner stator 4.Due to rotor assembly 1
It is made of non-magnetic rotor rack 2 and magnetic inductive block 3, so that the magnetic field that inner stator 4 generates can only be by magnetic inductive block 3, then through outer fixed
Son 5 forms flux loop, as shown in phantom in Figure 5.Electromagnetic force of the external stator winding X by magnetic field, rotate, together counterclockwise
When also give rotor assembly 1 one reaction forces so that rotor assembly 1 rotates clockwise.Since external stator winding X is fixed around outside
It on son, cannot rotate, so rotor assembly 1 rotates clockwise.
When rotor assembly 1 goes to the position of Fig. 6, switch K1 is connected with K6, and inner stator winding C and external stator winding Z are logical
Electricity, electric current flow to inner stator winding C by external stator winding Z, generate magnetic field as shown in phantom in Figure 6, external stator winding Z by
Electromagnetic force counterclockwise, reaction force of the rotor assembly 1 by external stator winding Z, continues to rotate clockwise.
When rotor assembly 1 goes to the position of Fig. 7, switch K1 is connected with K5, and inner stator winding B and external stator winding Y are logical
Electricity, electric current flow to inner stator winding B by external stator winding Y, generate magnetic field as shown in phantom in Figure 7, external stator winding Y by
Electromagnetic force counterclockwise, reaction force of the rotor assembly 1 by external stator winding Y, continues to rotate clockwise.
When rotor assembly 1 goes to the position of Fig. 8, switch K3 is connected with K5, and inner stator winding A and external stator winding X are logical
Electricity, electric current flow to inner stator winding A by external stator winding X, generate magnetic field as shown in phantom in Figure 8, external stator winding X by
Electromagnetic force counterclockwise, reaction force of the rotor assembly 1 by external stator winding X, continues to rotate clockwise.
When rotor assembly 1 goes to the position of Fig. 9, switch K3 is connected with K4, and inner stator winding C and external stator winding Z are logical
Electricity, electric current flow to external stator winding Z by inner stator winding C, generate magnetic field as shown in phantom in Figure 9, external stator winding Z is by inverse
The electromagnetic force of hour hands, reaction force of the rotor assembly 1 by external stator winding Z, continues to rotate clockwise.
When rotor assembly 1 goes to the position of Figure 10, switch K2 is connected with K4, and inner stator winding B and external stator winding Y are logical
Electricity, electric current flow to external stator winding Y by inner stator winding B, generate magnetic field as shown in phantom in Figure 10, external stator winding Y by
Electromagnetic force counterclockwise, reaction force of the rotor assembly 1 by external stator winding Y, continues to rotate clockwise, and goes to the shape of Fig. 5
State is further continued for rotating as above.
When needing to invert the steering of motor, inner stator winding or external stator winding need to be only reversely connected, can be achieved with motor
Reversion.
The utility model is disclosed with preferred embodiment above, so it is all to take not to limit the utility model
The scheme of equivalent substitution or equivalent transformation technical solution obtained, all falls in the protection scope of the utility model.
Claims (7)
1. a kind of bimorph transducer composite rotors direct current generator characterized by comprising inner stator, external stator, inner stator winding, outer
Stator winding and rotor assembly, rotor assembly is between inner stator and external stator, and inner stator, rotor assembly and external stator are same
Heart setting；Inner stator winding is along the circumferential direction set in qually spaced on inner stator, and external stator winding is along the circumferential direction equidistantly set
It sets on external stator, inner stator winding and external stator windings in series normal thereto or composes in parallel a stator winding, stator
Star or triangle connection are set as between winding；Rotor assembly is made of non-magnetic rotor rack and two magnetic inductive blocks, rotor
It sets up there are two opposite opening portion, two magnetic inductive blocks are respectively embedded into two opening portions；When direct current generator is powered, inner stator
The external stator winding application electromagnetic force in the magnetic field that winding generates, which makes external stator winding always, to be had along side clockwise or counterclockwise
To the trend of rotation, the rotating tendency of external stator winding applies reaction force to rotor assembly, so that rotor assembly is always
Edge is counterclockwise or is rotated clockwise.
2. bimorph transducer composite rotors direct current generator according to claim 1, which is characterized in that interior when direct current generator is powered
The magnetic field that the magnetic field that stator winding generates is generated with external stator winding always is mutually perpendicular to.
3. bimorph transducer composite rotors direct current generator according to claim 1, which is characterized in that by by direct current generator with it is inverse
Become device connection and realizes rotor assembly clockwise or counterclockwise by the control of inverter.
4. bimorph transducer composite rotors direct current generator according to claim 3, which is characterized in that default by inverter control
Sub- winding and external stator winding are connected to realize rotor assembly clockwise or counterclockwise.
5. bimorph transducer composite rotors direct current generator according to claim 3 or 4, which is characterized in that further include rotor-position
Sensor, the rotor-position sensor are used to sense the position of rotor, and the position signal sensed is sent to inverter.
6. bimorph transducer composite rotors direct current generator according to claim 1, which is characterized in that the inner stator winding setting
It is 12, the external stator winding is set as 18.
7. bimorph transducer composite rotors direct current generator according to claim 1, which is characterized in that the rotor rack by plastics,
Aluminium or ceramics are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920223788.0U CN209462233U (en) | 2019-02-22 | 2019-02-22 | A kind of bimorph transducer composite rotors direct current generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920223788.0U CN209462233U (en) | 2019-02-22 | 2019-02-22 | A kind of bimorph transducer composite rotors direct current generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209462233U true CN209462233U (en) | 2019-10-01 |
Family
ID=68046863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920223788.0U Active CN209462233U (en) | 2019-02-22 | 2019-02-22 | A kind of bimorph transducer composite rotors direct current generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209462233U (en) |
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2019
- 2019-02-22 CN CN201920223788.0U patent/CN209462233U/en active Active
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