CN203119825U - Voice-operated direct-current brushless motor driver - Google Patents
Voice-operated direct-current brushless motor driver Download PDFInfo
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- CN203119825U CN203119825U CN2013200373633U CN201320037363U CN203119825U CN 203119825 U CN203119825 U CN 203119825U CN 2013200373633 U CN2013200373633 U CN 2013200373633U CN 201320037363 U CN201320037363 U CN 201320037363U CN 203119825 U CN203119825 U CN 203119825U
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Abstract
The utility model provides a voice-controlled brushless DC motor driver, which comprises a voice unit, a control unit, a display unit and a power module; the voice unit is in signal electric connection with the control unit; the display unit is in signal electrical connection with the control unit; the power supply module provides working power supply for the system; the voice unit comprises a microphone, a filter circuit, a singlechip, a power amplifier, a loudspeaker and a keyboard; the control unit comprises a DSP, an overvoltage and overcurrent detection circuit, a drive circuit, a current detection circuit, a Hall sensor and an IGBT inverter circuit. The utility model discloses can realize controlling brushless DC motor's corotation, reversal and states such as stop through voice command, circuit design is succinct, and stability is good, and speech recognition rate is high and the cost is lower, can extensively be used for use occasions such as electric bicycle, electric automobile, intelligent robot and industrial control, and the suitability is strong.
Description
Technical field
The utility model relates to the DC motor driver field, is specifically related to a kind of acoustic control driver for brushless DC motor.
Background technology
Along with the fast development of contemporary industry, motor is as final controlling element, and the effect of performance is increasing in producing and living.Present widely used motor is generally synchronous machine, asynchronous machine and direct current machine, comparatively speaking, synchronous machine has speed governing difficulty, deficiency such as wayward, asynchronous machine has shortcomings such as startup is difficult, power factor is low, and direct current machine has advantages such as mechanical property is good, easy speed governing, and along with birth and the development of dc brushless motor, adopt electronic commutator to solve traditional direct current machine and adopt mechanical commutation and produce problems such as mechanical friction, spark, make brshless DC motor in types of applications, be extensive use of.Need corresponding controller to control in the dc brushless motor use, common controller has three kinds of controllers of employing microprocessor (MCU), application-specific integrated circuit (ASIC) (ASIC), digital signal processor (DSP), these three kinds of controllers all do not have voice control function, and it is convenient inadequately to use.
The utility model content
The purpose of this utility model is: overcome the deficiencies in the prior art, provide that a kind of circuit structure is simple, good operating stability, phonetic recognization rate is high and lower-cost acoustic control driver for brushless DC motor.
The technical solution of the utility model is: acoustic control driver for brushless DC motor of the present utility model, and its design feature is: comprise voice unit, control unit, display unit and power module; Above-mentioned voice unit is electrically connected with the control unit signal; Display unit is electrically connected with the control unit signal; Power module is for providing the module of working power to system.
Further scheme is: above-mentioned voice unit comprises microphone, filter circuit, single-chip microcomputer, power amplifier, loudspeaker and keyboard; Single-chip microcomputer is provided with 2 sound control signal outputs; Microphone is electrically connected with the single-chip microcomputer signal by filter circuit; Keyboard, power amplifier are electrically connected with the single-chip microcomputer signal respectively; Loudspeaker are electrically connected with power amplifier.
Further scheme is: above-mentioned control unit comprises DSP, over-voltage and over-current testing circuit, drive circuit, current detection circuit, Hall element and IGBT inverter circuit; DSP has first and second I/O end, XINTI end, PWM end, PDPINT end, CAP end and SPI end; Over-voltage and over-current testing circuit, drive circuit and current detection circuit are provided with signal input part and signal output part respectively; Hall element is provided with signal output part; The IGBT inverter circuit is provided with power end, signal input part and three-phase output end, and the power end of IGBT inverter circuit has positive pole and negative pole, and the three-phase output end of IGBT inverter circuit is respectively live wire end, zero line side and ground terminal; The I/O end of DSP is electrically connected with a sound control signal output of the single-chip microcomputer of voice unit; The 2nd I/O end of DSP is electrically connected with another sound control signal output of the single-chip microcomputer of voice unit; The SPI end of DSP is electrically connected with the display unit signal; The SINTI end of DSP is electrically connected with the signal output part of over-voltage and over-current testing circuit; The signal input part of over-voltage and over-current testing circuit is electrically connected with the positive pole of the power end of IGBT inverter circuit; The signal input part of drive circuit is electrically connected with the PWM of DSP end; The signal output part of drive circuit is electrically connected with the signal input part of IGBT inverter circuit; The signal output part of current detection circuit is electrically connected with the PDPINT of DSP end; The signal input part of current detection circuit is electrically connected with the live wire end of the three-phase output end of IGBT inverter circuit; The power end of IGBT inverter circuit is electrically connected with power module; The CAP end of DSP is electrically connected with the signal output part of Hall element; During use, the three-phase output end of IGBT inverter circuit is distinguished corresponding electrical connection with the three phase mains end of brshless DC motor.
Further scheme also has: the model of above-mentioned single-chip microcomputer is SPCE061A; The model of DSP is TMS320F2806; Drive circuit is the driver of model IR2110.
The utlity model has positive effect: (1) acoustic control driver for brushless DC motor of the present utility model, can realize the operating state of just changeing, reversing and stopping of dc brushless motor is controlled by phonetic order, circuit design is succinct, good stability, phonetic recognization rate height and cost are lower.(2) acoustic control driver for brushless DC motor of the present utility model also is provided with the button of assisting usefulness, when controlling without voice, can control the operation of motor by operation push-button.(3) acoustic control driver for brushless DC motor of the present utility model can be widely used in use occasions such as electric bicycle, electric automobile, intelligent robot and Industry Control, and applicability is strong.
Description of drawings
Fig. 1 is the structured flowchart of acoustic control driver for brushless DC motor of the present utility model, has also shown the brshless DC motor that is electrically connected and is subjected to its control with it among the figure;
Fig. 2 is the FB(flow block) of the built-in voice software main program of the single-chip microcomputer among Fig. 1;
The FB(flow block) that Fig. 3 carries out speech recognition for the single-chip microcomputer among Fig. 1;
Fig. 4 carries out voice-operated FB(flow block) for the single-chip microcomputer among Fig. 1.
Reference numeral in the above-mentioned accompanying drawing is as follows:
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
(embodiment 1)
See Fig. 1, the acoustic control driver for brushless DC motor of present embodiment mainly is made up of voice unit 1, control unit 2, display unit 3 and power module 4.
In the present embodiment, the preferred model of single-chip microcomputer is the integrated chip of SPCE061A, selects the IOB8 of single-chip microcomputer and IOB9 end to be 2 sound control signal outputs of single-chip microcomputer; Microphone is electrically connected with the single-chip microcomputer signal by filter circuit; Keyboard, power amplifier are electrically connected with the single-chip microcomputer signal respectively; Loudspeaker are electrically connected with power amplifier.
Control unit 2 is mainly by the DSP(digital signal processor), over-voltage and over-current testing circuit, drive circuit, current detection circuit, Hall element and IGBT inverter circuit form.In the present embodiment, the preferred model of drive circuit is the driver of IR2110; The preferred model of DSP is the DSP of TMS320F2806, and this DSP has first and second I/O end, XINTI end, PWM end, PDPINT end, CAP end and SPI end at least; Over-voltage and over-current testing circuit, drive circuit and current detection circuit are provided with signal input part and signal output part respectively; Hall element is provided with signal output part; The IGBT inverter circuit is provided with power end, signal input part and three-phase output end, and the power end of IGBT inverter circuit has positive pole and negative pole, and the three-phase output end of IGBT inverter circuit is respectively live wire end, zero line side and ground terminal.
The I/O end of DSP is electrically connected with a sound control signal output (IOB8 end) of the single-chip microcomputer of voice unit 1; The 2nd I/O end of DSP is electrically connected with another sound control signal output (IOB9 end) of the single-chip microcomputer of voice unit 1; The SPI end of DSP is electrically connected with display unit 3 signals; The SINTI end of DSP is electrically connected with the signal output part of over-voltage and over-current testing circuit; The signal input part of over-voltage and over-current testing circuit is electrically connected with the positive pole of the power end of IGBT inverter circuit; The signal input part of drive circuit is electrically connected with the PWM of DSP end; The signal output part of drive circuit is electrically connected with the signal input part of IGBT inverter circuit; The signal output part of current detection circuit is electrically connected with the PDPINT of DSP end; The signal input part of current detection circuit is electrically connected with the live wire end of the three-phase output end of IGBT inverter circuit; The power end of IGBT inverter circuit is electrically connected with power module 4; The CAP end of DSP is electrically connected with the signal output part of Hall element; During use, the three-phase output end of IGBT inverter circuit is distinguished corresponding electrical connection with the three phase mains end of brshless DC motor.Hall element is installed on the rotor of brshless DC motor.
Power module 4 also provides working power to voice unit 1 and display unit 3.
Display unit 3 is used for showing the running status of motor.
See Fig. 2 and Fig. 3, the main program flow that single-chip microcomputer carries out speech recognition mainly comprises four major parts: initialization, training, identification and heavily instruction operation.Initialization operation is set to the sound control signal output respectively with IOB8 and the IOB9 of single-chip microcomputer, in order to DSP output control signal and then the control brshless DC motor to control unit 2; The training part is finished the work of setting up speech model: program judges at the beginning whether voice unit 1 was trained, if do not train then require it was trained, model with training after training stores in the flash memory (Flash) of single-chip microcomputer, does not need when using afterwards to train again; Train successfully the back or formerly enter in next step the recognition mode with regard to the voice signal of training.
Speech recognition mainly is divided into " training " and " identification " two stages.In the training stage, DSP carries out analyzing and processing to the speech samples that collects, and therefrom extracts phonetic feature information, sets up a characteristic model; At cognitive phase, DSP carries out similar analyzing and processing to the speech samples that collects, and extracts the characteristic information of voice, then this characteristic information model and existing characteristic model is compared, if the two has reached certain matching degree, then Shu Ru voice are identified.
When entering identification division, if identification result is name, stops current action and enter armed state, wait for action command then.If identification result for just change, during action command such as counter-rotating, voice unit 1 sends corresponding signal to control unit 2, carry out corresponding actions by control unit 2, in the motion running, can make motor out of service by the instruction of calling out " name ", as shown in Figure 4.
Heavily instruct operation part and be used for training again when last time voice training is unsuccessful, heavily instruct operation part by the training again in the keyboard by key control, press in case detect this key, then begin voice training again.
DSP in the control unit 2 is responsible for handling the data that collect and sends control command.DSP is installed in the pulse signal that the Hall element of brushless DC motor rotor position sends by seizure, judge rotor-position, and export suitable driving logic level and give drive circuit, the conducting order of corresponding change IGBT inverter circuit realizes the control to motor speed.In the motor operation course, the over-voltage and over-current testing circuit in the control unit 2 and current detection circuit detect the running status of current system in real time, if occur the over-voltage and over-current phenomenon in the system, then cut off the operation of motor.
Above embodiment is the explanation to embodiment of the present utility model; but not to restriction of the present utility model; person skilled in the relevant technique is under the situation that does not break away from spirit and scope of the present utility model; can also make various conversion and obtain the corresponding technical scheme that is equal to variation, so all technical schemes that are equal to all should be included into scope of patent protection of the present utility model.
Claims (4)
1. an acoustic control driver for brushless DC motor is characterized in that: comprise voice unit (1), control unit (2), display unit (3) and power module (4); Described voice unit (1) is electrically connected with control unit (2) signal; Display unit (3) is electrically connected with control unit (2) signal; Power module (4) is for providing the module of working power to system.
2. acoustic control driver for brushless DC motor according to claim 1, it is characterized in that: described voice unit (1) comprises microphone, filter circuit, single-chip microcomputer, power amplifier, loudspeaker and keyboard; Single-chip microcomputer is provided with 2 sound control signal outputs; Microphone is electrically connected with the single-chip microcomputer signal by filter circuit; Keyboard, power amplifier are electrically connected with the single-chip microcomputer signal respectively; Loudspeaker are electrically connected with power amplifier.
3. acoustic control driver for brushless DC motor according to claim 2, it is characterized in that: described control unit (2) comprises DSP, over-voltage and over-current testing circuit, drive circuit, current detection circuit, Hall element and IGBT inverter circuit; DSP has first and second I/O end, XINTI end, PWM end, PDPINT end, CAP end and SPI end; Over-voltage and over-current testing circuit, drive circuit and current detection circuit are provided with signal input part and signal output part respectively; Hall element is provided with signal output part; The IGBT inverter circuit is provided with power end, signal input part and three-phase output end, and the power end of IGBT inverter circuit has positive pole and negative pole, and the three-phase output end of IGBT inverter circuit is respectively live wire end, zero line side and ground terminal; The I/O end of DSP is electrically connected with a sound control signal output of the single-chip microcomputer of voice unit (1); The 2nd I/O end of DSP is electrically connected with another sound control signal output of the single-chip microcomputer of voice unit (1); The SPI end of DSP is electrically connected with display unit (3) signal; The SINTI end of DSP is electrically connected with the signal output part of over-voltage and over-current testing circuit; The signal input part of over-voltage and over-current testing circuit is electrically connected with the positive pole of the power end of IGBT inverter circuit; The signal input part of drive circuit is electrically connected with the PWM of DSP end; The signal output part of drive circuit is electrically connected with the signal input part of IGBT inverter circuit; The signal output part of current detection circuit is electrically connected with the PDPINT of DSP end; The signal input part of current detection circuit is electrically connected with the live wire end of the three-phase output end of IGBT inverter circuit; The power end of IGBT inverter circuit is electrically connected with power module (4); The CAP end of DSP is electrically connected with the signal output part of Hall element; During use, the three-phase output end of IGBT inverter circuit is distinguished corresponding electrical connection with the three phase mains end of brshless DC motor.
4. acoustic control driver for brushless DC motor according to claim 3, it is characterized in that: the model of described single-chip microcomputer is SPCE061A; The model of DSP is TMS320F2806; Drive circuit is the driver of model IR2110.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200373633U CN203119825U (en) | 2013-01-21 | 2013-01-21 | Voice-operated direct-current brushless motor driver |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200373633U CN203119825U (en) | 2013-01-21 | 2013-01-21 | Voice-operated direct-current brushless motor driver |
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| CN203119825U true CN203119825U (en) | 2013-08-07 |
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| CN2013200373633U Expired - Fee Related CN203119825U (en) | 2013-01-21 | 2013-01-21 | Voice-operated direct-current brushless motor driver |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692927A (en) * | 2013-12-12 | 2014-04-02 | 大连天元电机股份有限公司 | Motor drive control system of electric vehicle |
| CN104270048A (en) * | 2014-10-20 | 2015-01-07 | 奉化市兴宇特种电机制造有限公司 | Brushless direct current motor controlling device for tapping |
| CN107086839A (en) * | 2017-05-26 | 2017-08-22 | 浙江大学 | The intelligent controller and its method supplied water for constant pressure frequency conversion |
| CN108556986A (en) * | 2018-03-28 | 2018-09-21 | 上海乐愚智能科技有限公司 | A kind of central control system and vehicle |
| CN109903768A (en) * | 2019-04-26 | 2019-06-18 | 长安大学 | A kind of intelligent motor control system and method for speech recognition |
| CN110266169A (en) * | 2019-06-28 | 2019-09-20 | 常逸坤 | A kind of acoustic control DC brushless motor |
| CN110336248A (en) * | 2019-08-19 | 2019-10-15 | 浙江继智自动化技术有限公司 | A kind of intelligent safety driver for brushless DC motor |
| CN110350827A (en) * | 2019-08-16 | 2019-10-18 | 浙江继智自动化技术有限公司 | A kind of acoustic control driver for brushless DC motor |
| CN113783367A (en) * | 2021-09-09 | 2021-12-10 | 芜湖德力电机有限公司 | Intelligent voice-controlled brushless direct current motor |
| CN114123868A (en) * | 2021-12-06 | 2022-03-01 | 哈尔滨理工大学 | Direct current brushless motor driver |
-
2013
- 2013-01-21 CN CN2013200373633U patent/CN203119825U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692927A (en) * | 2013-12-12 | 2014-04-02 | 大连天元电机股份有限公司 | Motor drive control system of electric vehicle |
| CN103692927B (en) * | 2013-12-12 | 2015-10-28 | 大连天元电机股份有限公司 | Motor drive control system of electric vehicle |
| CN104270048A (en) * | 2014-10-20 | 2015-01-07 | 奉化市兴宇特种电机制造有限公司 | Brushless direct current motor controlling device for tapping |
| CN107086839A (en) * | 2017-05-26 | 2017-08-22 | 浙江大学 | The intelligent controller and its method supplied water for constant pressure frequency conversion |
| CN108556986A (en) * | 2018-03-28 | 2018-09-21 | 上海乐愚智能科技有限公司 | A kind of central control system and vehicle |
| CN109903768A (en) * | 2019-04-26 | 2019-06-18 | 长安大学 | A kind of intelligent motor control system and method for speech recognition |
| CN110266169A (en) * | 2019-06-28 | 2019-09-20 | 常逸坤 | A kind of acoustic control DC brushless motor |
| CN110350827A (en) * | 2019-08-16 | 2019-10-18 | 浙江继智自动化技术有限公司 | A kind of acoustic control driver for brushless DC motor |
| CN110336248A (en) * | 2019-08-19 | 2019-10-15 | 浙江继智自动化技术有限公司 | A kind of intelligent safety driver for brushless DC motor |
| CN110336248B (en) * | 2019-08-19 | 2022-02-11 | 浙江继智自动化技术有限公司 | Intelligent safety type direct current brushless motor driver |
| CN113783367A (en) * | 2021-09-09 | 2021-12-10 | 芜湖德力电机有限公司 | Intelligent voice-controlled brushless direct current motor |
| CN114123868A (en) * | 2021-12-06 | 2022-03-01 | 哈尔滨理工大学 | Direct current brushless motor driver |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20180121 |