CN204761355U - Flexible speed adjusting device of electromagnetic coupling - Google Patents
Flexible speed adjusting device of electromagnetic coupling Download PDFInfo
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- CN204761355U CN204761355U CN201520417869.6U CN201520417869U CN204761355U CN 204761355 U CN204761355 U CN 204761355U CN 201520417869 U CN201520417869 U CN 201520417869U CN 204761355 U CN204761355 U CN 204761355U
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Abstract
The utility model discloses a flexible speed adjusting device of electromagnetic coupling, including inner rotor and external rotor, its characterized in that still is equipped with current regulator and wireless communication device, the inner rotor is permanent magnet rotor, is connected with the input, the external rotor is the winding rotor, connects the output, and leaves the air gap between the permanent magnet rotor, current regulator and wireless communication device fixed mounting are on the spider of external rotor, the current regulator includes control module and current regulation circuit, and control module and wireless communication device are connected, current regulation circuit concatenate into in the coil circuit of winding rotor. The utility model has the advantages of the nothing is worn and torn, calorific capacity is little, the heat dissipation is fast, the saving cost, can effectively improve speed adjusting device's life.
Description
Technical field
The invention belongs to mechanical field, be specifically related to a kind of transmission device adopting magnetic coupling techniques.
Background technology
Existing electromagnetic coupled speed regulator utilizes variable-frequency motor principle to realize noncontact transmission and stepless speed regulation between two axles, but needs outside electric power network, and such as, application number is 200910076247.0 1 kinds of variable-frequency control electromagnetic torsion couplers.Above-mentioned speed regulator needs when outside electric power network to install collector ring and carbon brush, and between collector ring and carbon brush, wearing and tearing and heating are relatively more serious, and controller also exists fever phenomenon in addition, can the direct useful life affecting equipment.
Summary of the invention
Technical purpose of the present invention is for problems of the prior art, a kind of electromagnetic coupled flexible speed regulating device without the need to installing collector ring and carbon brush is provided, the faults such as the wearing and tearing that carbon brush and collector ring can be avoided to cause because of sliding friction, heating and loose contact, improve the radiating effect of controller, to improve the useful life of speed regulator simultaneously.
For realizing above-mentioned technical purpose, technical scheme provided by the invention is:
A kind of electromagnetic coupled flexible speed regulating device, comprise internal rotor and external rotor, it is characterized in that, be also provided with current regulator and radio communication device, described internal rotor is p-m rotor, is connected with input; Described external rotor is wound rotor, connects output, and leaves air gap between p-m rotor; Described current regulator and radio communication device are fixedly mounted on the rotor field spider of external rotor, described current regulator comprises control module and current regulating circuit, described control module is connected with radio communication device, and described current regulating circuit is connected in series in the coil circuit of described wound rotor.
On the basis of technique scheme, the technology contents improved further also comprises:
The rotor field spider of described external rotor comprises the casing of the forward and backward end cap of front end housing, rear end cap and connection, described front end housing forms the first wound rotor with the first winding be arranged on front end housing, iron core, described rear end cap forms the second wound rotor with the second winding be arranged on rear end cap, iron core, and described internal rotor is between the first wound rotor and the second wound rotor.
Described front end housing, rear end cap are arranged in described input rotating shaft by bearing, and described rear end cap is connected with decelerator by shaft coupling.
Described current regulating circuit preferably adopts rectification chopper circuit.
Described rectification chopper circuit is provided with rectifier and chopper, in described chopper, the output of described rectifier is connected to after one igbt, an electric capacity and a resistor coupled in parallel, inductance A is serially connected on the connection line of rectifier and igbt, one diode is serially connected on the connection line between described igbt and described electric capacity, and inductance B is serially connected on the connecting circuit of described electric capacity and resistance.
Described external rotor is provided with velocity transducer, and described velocity transducer is connected with the control module of described current regulator, by radio communication device, the rotary speed information of wound rotor is fed back to background control system.
Beneficial effect:
1) the large I of the induced current in external rotor is controlled by described current regulator, without the need to connecting external power source, eliminate the component such as collector ring, carbon brush, reduce manufacturing cost, the defects such as the heating simultaneously avoiding collector ring, carbon brush to cause because of wearing and tearing, contact fault and reduction in useful life;
2) described current regulator can adopt manual adjustments, or carries out information interaction by wireless communication module and background control system, automatically regulates according to the instruction that rear parametric controller sends;
3) electric energy governor motion and speed adjusting gear are designed to one, help the heat radiation of electric energy governor motion, than common speed regulator good heat dissipation effect, and without the need to external heat dissipation equipment by the rotation of rotor.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention;
Fig. 2 is the structural representation of current regulator and radio communication device;
Fig. 3 is the electrical block diagram of current regulator.
Embodiment
In order to illustrate technical scheme of the present invention and technical purpose, below in conjunction with drawings and the specific embodiments, the present invention is described further.
A kind of electromagnetic coupled flexible speed regulating device, is made up of components such as internal rotor 9, external rotor, current regulator 1 and radio communication devices 10.Described internal rotor 9 is p-m rotor, is connected with motor output shaft (i.e. input).Described external rotor is wound rotor, is connected with output.Electromagnetic coupled working gas gap is left between described internal rotor 9 and wound rotor.
For the execution mode shown in Fig. 1, the rotor field spider of described external rotor comprises front end housing 8, rear end cap 2, and described front end housing 8 is rigidly connected by casing 5 with the edge of rear end cap 2.Described front end housing 8 forms the first wound rotor with the first winding 6 be arranged on front end housing 8, iron core 7, described rear end cap 2 forms the second wound rotor with the second winding 4 be arranged on rear end cap 2, iron core 3, described internal rotor 9 between the first wound rotor and the second wound rotor, internal rotor 9 with the opposite face of the first wound rotor, the second wound rotor on be evenly equipped with permanent magnet 12.Described front end housing 8, rear end cap 2 are arranged in the rotating shaft of input respectively by bearing; Described rear end cap 2 is connected with shaft coupling 11 by bolt, and described shaft coupling 11 is connected with decelerator by key.
Described current regulator 1 is fixedly mounted on end cap 2 with radio communication device 10.Described current regulator 1 comprises control module and rectification chopper current regulating circuit, described control module is connected with radio communication device 10, described radio communication device 10 comprises sending module and receiver module, current regulator 1 is established a communications link by radio communication device 10 and background control system, the information of carrying out mutual, as shown in Figure 2.
Described current regulating circuit is connected with control module, and its body is connected in series in the coil circuit of described first winding 6, second winding 4.Described current regulating circuit is provided with rectifier and chopper, preferred implementation as shown in Figure 3, in described chopper, the output of described rectifier is connected to after one igbt, an electric capacity and a resistor coupled in parallel, inductance A is serially connected on the connection line of rectifier and igbt, one diode is serially connected on the connection line between described igbt and described electric capacity, and inductance B is serially connected on the connecting circuit of described electric capacity and resistance.
Described external rotor is provided with velocity transducer, and described velocity transducer is connected with the control module of described current regulator, for feeding back the output valve of wound rotor.
Operation principle:
When driven by motor internal rotor 9 rotates, the permanent magnet 12 on internal rotor 9 produces rotating magnetic field, produces induced current in the winding coil of external rotor, and current regulator 1 can the size of electric current in regulating winding.Radio communication device 10 can by information feed back such as wound rotor velocities of rotation to background control system, and current regulator 1 is passed in background control system regulating command, induced field is controlled by regulating the size of coil current on two wound rotors, regulate the slip of internal rotor 9 and external rotor, reach the object of speed governing.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and application claims protection range is defined by appending claims, specification and equivalent thereof.
Claims (6)
1. an electromagnetic coupled flexible speed regulating device, comprises internal rotor (9) and external rotor, it is characterized in that, be also provided with current regulator (1) and radio communication device (10), described internal rotor is p-m rotor, is connected with input; Described external rotor is wound rotor, connects output, and leaves air gap between p-m rotor; Described current regulator (1) and radio communication device (10) are fixedly mounted on the rotor field spider of external rotor, described current regulator (1) comprises control module and current regulating circuit, described control module is connected with radio communication device, and described current regulating circuit is connected in series in the coil circuit of described wound rotor.
2. a kind of electromagnetic coupled flexible speed regulating device according to claim 1, it is characterized in that, the rotor field spider of described external rotor comprises front end housing (8), rear end cap (2) and is connected the casing (5) of forward and backward end cap, described front end housing (8) forms the first wound rotor with the first winding (6) be arranged on front end housing (8), iron core (7), described rear end cap (2) forms the second wound rotor with the second winding (4) be arranged on rear end cap (2), iron core (3), and described internal rotor (9) is between the first wound rotor and the second wound rotor.
3. a kind of electromagnetic coupled flexible speed regulating device according to claim 2, is characterized in that, described front end housing (8), rear end cap (2) are arranged in input rotating shaft by bearing, and described rear end cap (2) is connected with decelerator by shaft coupling (11).
4. a kind of electromagnetic coupled flexible speed regulating device according to claim 1,2 or 3, is characterized in that, described current regulating circuit is rectification chopper circuit.
5. a kind of electromagnetic coupled flexible speed regulating device according to claim 4, it is characterized in that, described rectification chopper circuit is provided with rectifier and chopper, in described chopper, the output of described rectifier is connected to after one igbt, an electric capacity and a resistor coupled in parallel, inductance A is serially connected on the connection line of rectifier and igbt, one diode is serially connected on the connection line between described igbt and described electric capacity, and inductance B is serially connected on the connecting circuit of described electric capacity and resistance.
6. a kind of electromagnetic coupled flexible speed regulating device according to claim 2, is characterized in that, described external rotor is provided with velocity transducer, and described velocity transducer is connected with the control module of described current regulator (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520417869.6U CN204761355U (en) | 2015-06-17 | 2015-06-17 | Flexible speed adjusting device of electromagnetic coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520417869.6U CN204761355U (en) | 2015-06-17 | 2015-06-17 | Flexible speed adjusting device of electromagnetic coupling |
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| CN204761355U true CN204761355U (en) | 2015-11-11 |
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| CN201520417869.6U Active CN204761355U (en) | 2015-06-17 | 2015-06-17 | Flexible speed adjusting device of electromagnetic coupling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104967381A (en) * | 2015-06-17 | 2015-10-07 | 江苏磁谷科技股份有限公司 | Electromagnetic coupling flexible speed adjusting device |
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- 2015-06-17 CN CN201520417869.6U patent/CN204761355U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104967381A (en) * | 2015-06-17 | 2015-10-07 | 江苏磁谷科技股份有限公司 | Electromagnetic coupling flexible speed adjusting device |
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