CN109639184A - A kind of magnetic suspension system that voice control space is mobile - Google Patents
A kind of magnetic suspension system that voice control space is mobile Download PDFInfo
- Publication number
- CN109639184A CN109639184A CN201811589445.2A CN201811589445A CN109639184A CN 109639184 A CN109639184 A CN 109639184A CN 201811589445 A CN201811589445 A CN 201811589445A CN 109639184 A CN109639184 A CN 109639184A
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- magnetic suspension
- magnetic
- suspension
- circuit
- controller
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N15/00—Holding or levitation devices using magnetic attraction or repulsion, not otherwise provided for
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/28—Constructional details of speech recognition systems
- G10L15/30—Distributed recognition, e.g. in client-server systems, for mobile phones or network applications
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- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Control Of Linear Motors (AREA)
Abstract
A kind of magnetic suspension system that voice control space is mobile, is equipped with network server, controller, constant-current drive circuit, multichannel magnetic levitation system and magnetic suspension suspension；Controller is connected with constant-current drive circuit；Controller sets embedded microprocessor, wifi module, microphone, audio power amplifier circuit and loudspeaker；Constant-current drive circuit sets D/A converting circuit and voltage-current converter circuit, and D/A converting circuit is connected with voltage-current converter circuit, and constant-current drive circuit is connected with multichannel magnetic levitation system；Multichannel magnetic levitation system is equipped with 4 groups of magnetic suspension modules, and magnetic suspension module is equipped with massive coil and small coil；Magnetic suspension suspension center is equipped with annular permanent magnet；Controller parses verbal instructions and sends current data, constant-current drive circuit output constant current to constant-current drive circuit；It drives multichannel magnetic levitation system and controls the magnetic field strength of each coil of magnetic suspension module, so that magnetic suspension suspension moves in multichannel magnetic levitation system, and be finally suspended in target magnetic suspension module.
Description
Technical field
The present invention relates to magnetic suspension systems, more particularly, to a kind of mobile magnetic suspension system in voice control space.
Background technique
With the development of magnetic levitation technology, derives a variety of magnetic suspension reading lamps etc. and be based on small-sized maglev product.
The magnetic levitation system as disclosed in Chinese patent CN201610329845, uses magnetic-repellent suspension device, and pedestal outer layer is to generate
The annular magnet of fixed magnetic field, inside are multiple groups coil, are only able to achieve single group closed loop in pedestal and control, can not be from one
Closed-loop system is moved to another closed-loop control system, lacks flexibility.
And speech recognition accuracy has reached high levels, but reality of the temporarily no-trump magnetic suspension in conjunction with voice control at present
Example.
Summary of the invention
For disadvantages mentioned above, the present invention is intended to provide magnetic suspension suspension can be controlled by voice control constant-current source in sky
Between middle movement a kind of mobile magnetic suspension system in voice control space.
The present invention is equipped with network server, controller, constant-current drive circuit, multichannel magnetic levitation system and magnetic suspension suspension；
The controller is connected with constant-current drive circuit；The controller is equipped with embedded microprocessor, wifi module, microphone, sound
Frequency power amplifier and loudspeaker；The constant-current drive circuit is equipped with D/A converting circuit and voltage-current converter circuit, the number
Analog conversion circuit is connected with voltage-current converter circuit, and the constant-current drive circuit is connected with multichannel magnetic levitation system and provides electricity
Stream；The multichannel magnetic levitation system is equipped with 4 groups of magnetic suspension modules, and the magnetic suspension module is equipped with 1 massive coil and at least four
Small coil；Magnetic suspension suspension center is equipped with annular permanent magnet；The controller is identified and is parsed by network server
Verbal instructions simultaneously send current data, constant-current drive circuit output constant current to constant-current drive circuit；Drive multichannel magnetic levitation system
And the magnetic field strength of each coil of magnetic suspension module is controlled, so that magnetic suspension suspension moves in multichannel magnetic levitation system, and most
It is suspended in target magnetic suspension module eventually.
The embedded microprocessor of the controller is as master control, with wifi module, microphone and audio power amplifier circuit phase
Connection；Controller sends picked up audio signal to network server by wifi module and receives the identification knot of network server
Fruit.
The network server receives the voice signal that identification controller is sent, and issues recognition result to controller.
The D/A converting circuit receives the data that controller is sent, and output voltage is to voltage-current converter circuit.
The data-in port of the D/A converting circuit can be used multi-disc parallel way and be connected, the piece of D/A converting circuit
Signal input port is selected independently to draw, embedded microprocessor provides one group of data-out port and multiple groups piece selects output port,
The analog-digital chip sent by the selection of chip select terminal mouth.
The multichannel magnetic levitation system can be equipped with multiple magnetic suspension modules, and magnetic suspension suspension can move between magnetic suspension module
It is dynamic.
4 groups of magnetic suspension modules can be used in the multichannel magnetic levitation system, are equipped with one in 1 group of magnetic suspension module and provide vertically
The big coil in the magnetic field in the earth's core direction is dispersed at least 4 around center in the big coil in magnetic field in vertical the earth's core direction with isogonism
A small coil for being used to space inclination angle.
The present invention has the advantages that
1) the magnetic suspension module includes 1 massive coil and at least four small coil, and small coil is in the form of isogonism
It is distributed in the surrounding of massive coil inner hub location；
2) massive coil provides downward attraction for magnetic suspension suspension after constant current drives；The small coil
After constant current drives, upward attraction is provided for magnetic suspension suspension, by changing the size of current of small coil, to change magnetic
The inclination angle of suspension suspension；
3) pass through the big coil of adjacent two-way magnetic suspension module and the electricity of small coil in the change multichannel magnetic levitation system
Flow valuve can make magnetic suspension suspension be moved to another magnetic suspension module from a magnetic suspension module.
Detailed description of the invention
Fig. 1 is the system block diagram of the embodiment of the present invention.
Fig. 2 is the structural schematic diagram of one embodiment of the present invention.
Fig. 3 is the annular permanent magnet schematic diagram that the magnetic suspension suspension center of the embodiment of the present invention includes.
Specific embodiment
Following embodiment will the present invention is further illustrated in conjunction with attached drawing.
As shown in Figures 1 to 3, the embodiment of the present invention is equipped with network server 1, controller, constant-current drive circuit, multichannel magnetcisuspension
Floating device 4 and magnetic suspension suspension 5；The controller is connected with constant-current drive circuit；The controller is equipped with wifi module 21, embedding
Enter microsever 22, microphone 23, audio power amplifier circuit 24 and loudspeaker 25；The constant-current drive circuit is equipped with digital-to-analogue conversion
Circuit 31 and voltage-current converter circuit 32, the D/A converting circuit 31 are connected with voltage-current converter circuit 32, the perseverance
Stream driving circuit is connected with multichannel magnetic levitation system 4 and provides electric current；The multichannel magnetic levitation system 4 is equipped with 4 groups of magnetic suspension moulds
Block 41~44, the magnetic suspension module are equipped with 1 massive coil 45 and at least four small coil 46；In the magnetic suspension suspension 5
The heart is equipped with annular permanent magnet 51；The controller identifies and parses verbal instructions by network server 1 and drives electricity to constant current
Road sends current data, and constant-current drive circuit output constant current drives multichannel magnetic levitation system 4 and controls 4 groups of magnetic suspension modules 41
The magnetic field strength of~44 each coil, so that magnetic suspension suspension 5 moves in multichannel magnetic levitation system 4, and is finally suspended in mesh
It marks in magnetic suspension module.
The embedded microprocessor 22 of the controller is used as master control, with wifi module 21, microphone 23 and audio frequency power amplifier
Circuit 24 is connected；Controller sends picked up audio signal to network server 1 by wifi module 21 and receives network service
The recognition result of device 1.
The network server 1 receives the voice signal that identification controller is sent, and issues recognition result to controller.
The D/A converting circuit 31 receives the data that controller is sent, and output voltage is to voltage-current converter circuit
32。
The data-in port of the D/A converting circuit 31 is connected using multi-disc parallel way, D/A converting circuit 31
Chip selection signal input port is independently drawn, and embedded microprocessor 22 provides one group of data-out port and multiple groups piece selects output end
Mouthful, the analog-digital chip sent by the selection of chip select terminal mouth.
The multichannel magnetic levitation system 4 is equipped with multiple magnetic suspension modules, and magnetic suspension suspension can move between magnetic suspension module
It is dynamic.
The multichannel magnetic levitation system 4 uses 4 groups of magnetic suspension modules, is equipped with 1 in 1 group of magnetic suspension module and provides vertically
The massive coil in the magnetic field in heart direction, in the big coil in magnetic field in vertical the earth's core direction, around center with isogonism be dispersed with to
Few 4 for regulating and controlling the small coil at space inclination angle.
Under original state, system connects network by wifi module, and in multichannel magnetic levitation system, dimensional orientation is magnetic suspension
Module 41 is opened, and magnetic suspension suspension is placed in magnetic suspension module 41, system will adjust one group big in this group of magnetic suspension module
The size of current of coil 45 and small coil 46, and then its magnetic field strength is adjusted, the magnetic field that big coil 45 generates will hang magnetic suspension
Piece generates a downward attraction, and the magnetic field that the small coil 46 of 4 isogonism distributions generates will generate one to magnetic suspension suspension
Upward repulsion, magnetic suspension suspension can keep balance in the magnetic suspension space.
When user issues verbal instructions, embedded microprocessor, by the audio pickup, passes through network service by microphone
Device identification voice simultaneously parses, and then embedded microprocessor 22 sends the corresponding DAC electricity of each road current value to D/A converting circuit
Press digital quantity, D/A converting circuit output voltage to voltage-current converter circuit, to provide different electricity for different coils
Flow valuve.Change the corresponding magnetic field strength of coil, and then changes coil to the magnetic force of magnetic suspension suspension.
When user issues verbal instructions " being moved to 01 orientation ", according to target bearing, system will first by present orientation with
It is compared, and obtains shortest path and mobile number, then learns that current need to only move to the longitudinal axis moves a step, then the system can reduce magnetic
The big coil current of suspending module 41 improves the height of magnetic suspension suspension, and instantaneously improves the 41 3 small lines in lower section of magnetic suspension module
The electric current of circle 46, the instantaneous electric current for reducing the 41 3 small coil 46 in top of magnetic suspension module, to generate the thrust to the longitudinal axis,
Magnetic suspension suspension is pushed to the direction of magnetic suspension module 42.Meanwhile the electric current of the big coil 45 of magnetic suspension module 42 is improved, it generates
The electric current of the 42 3 small coil 36 in lower section of magnetic suspension module is gradually increased, so that magnetic suspension suspension falls into this in one downward suction
Magnetic suspension module and will not land, followed by the electric current for improving the 3 small coil 26 in the top of magnetic suspension module 42, then common adjustment
The current value of 4 small coil 46, makes magnetic suspension suspension quickly keep balancing.
The mobile orientation completed in final system voice broadcast space.
Claims (7)
1. a kind of mobile magnetic suspension system in voice control space, it is characterised in that be equipped with network server, controller, constant current drive
Dynamic circuit, multichannel magnetic levitation system and magnetic suspension suspension；The controller is connected with constant-current drive circuit；The controller is equipped with
Embedded microprocessor, wifi module, microphone, audio power amplifier circuit and loudspeaker；The constant-current drive circuit is equipped with digital-to-analogue
Conversion circuit and voltage-current converter circuit, the D/A converting circuit are connected with voltage-current converter circuit, and the constant current is driven
Dynamic circuit is connected with multichannel magnetic levitation system and provides electric current；The multichannel magnetic levitation system is equipped with 4 groups of magnetic suspension modules, described
Magnetic suspension module is equipped with 1 massive coil and at least four small coil；Magnetic suspension suspension center is equipped with annular permanent magnet；
The controller is identified and is parsed by network server verbal instructions and sends current data to constant-current drive circuit, and constant current is driven
Dynamic circuit output constant current drives multichannel magnetic levitation system and controls the magnetic field strength of each coil of magnetic suspension module, so that magnetcisuspension
Floating suspension moves in multichannel magnetic levitation system, and is finally suspended in target magnetic suspension module.
2. the mobile magnetic suspension system in a kind of voice control space as described in claim 1, it is characterised in that the controller
Embedded microprocessor is connected as master control with wifi module, microphone and audio power amplifier circuit；Controller passes through wifi mould
Block sends picked up audio signal to network server and receives the recognition result of network server.
3. the mobile magnetic suspension system in a kind of voice control space as described in claim 1, it is characterised in that the network service
Device receives the voice signal that identification controller is sent, and issues recognition result to controller.
4. the mobile magnetic suspension system in a kind of voice control space as described in claim 1, it is characterised in that the digital-to-analogue conversion
Circuit receives the data sent of controller, and output voltage is to voltage-current converter circuit.
5. the mobile magnetic suspension system in a kind of voice control space as described in claim 1, it is characterised in that the digital-to-analogue conversion
The data-in port of circuit is connected using multi-disc parallel way, and chip selection signal input port is independently drawn, embedded micro process
Device provides one group of data-out port and multiple groups piece selects output port, the analog-digital chip sent by the selection of chip select terminal mouth.
6. the mobile magnetic suspension system in a kind of voice control space as described in claim 1, it is characterised in that the multichannel magnetcisuspension
Floating device is equipped with multiple magnetic suspension modules, and magnetic suspension suspension moves between magnetic suspension module.
7. the mobile magnetic suspension system in a kind of voice control space as described in claim 1, it is characterised in that the multichannel magnetcisuspension
Floating device uses 4 groups of magnetic suspension modules, and 1 big molded line for providing the magnetic field in vertical the earth's core direction is equipped in 1 group of magnetic suspension module
Circle is dispersed at least four for regulating and controlling space inclination angle with isogonism around center in the big coil in magnetic field in vertical the earth's core direction
Small coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811589445.2A CN109639184B (en) | 2018-12-25 | 2018-12-25 | Magnetic suspension system for controlling space movement by voice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811589445.2A CN109639184B (en) | 2018-12-25 | 2018-12-25 | Magnetic suspension system for controlling space movement by voice |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109639184A true CN109639184A (en) | 2019-04-16 |
| CN109639184B CN109639184B (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811589445.2A Active CN109639184B (en) | 2018-12-25 | 2018-12-25 | Magnetic suspension system for controlling space movement by voice |
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| CN (1) | CN109639184B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113331815A (en) * | 2020-03-02 | 2021-09-03 | 哈尔滨医科大学 | Multi-core radio frequency coil transceiving and ultrasonic array unit synchronous control device and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4341661C2 (en) * | 1992-12-07 | 1997-05-22 | Toshiba Kawasaki Kk | Magnetic levitation system |
| JP3577596B1 (en) * | 2004-03-31 | 2004-10-13 | 株式会社テスラ | Induction repulsion device |
| CN107482955A (en) * | 2017-08-28 | 2017-12-15 | 清华大学 | The planar motor structure and its thrust calculation method of a kind of tandem drive |
| CN108551614A (en) * | 2018-06-25 | 2018-09-18 | 广东工业大学 | A kind of magnetic suspension sound box |
-
2018
- 2018-12-25 CN CN201811589445.2A patent/CN109639184B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4341661C2 (en) * | 1992-12-07 | 1997-05-22 | Toshiba Kawasaki Kk | Magnetic levitation system |
| JP3577596B1 (en) * | 2004-03-31 | 2004-10-13 | 株式会社テスラ | Induction repulsion device |
| CN107482955A (en) * | 2017-08-28 | 2017-12-15 | 清华大学 | The planar motor structure and its thrust calculation method of a kind of tandem drive |
| CN108551614A (en) * | 2018-06-25 | 2018-09-18 | 广东工业大学 | A kind of magnetic suspension sound box |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113331815A (en) * | 2020-03-02 | 2021-09-03 | 哈尔滨医科大学 | Multi-core radio frequency coil transceiving and ultrasonic array unit synchronous control device and method |
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| Publication number | Publication date |
|---|---|
| CN109639184B (en) | 2020-06-26 |
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