CN203444274U - Liquid crystal display stepping motor driver based on ARM - Google Patents
Liquid crystal display stepping motor driver based on ARM Download PDFInfo
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- CN203444274U CN203444274U CN201320530996.8U CN201320530996U CN203444274U CN 203444274 U CN203444274 U CN 203444274U CN 201320530996 U CN201320530996 U CN 201320530996U CN 203444274 U CN203444274 U CN 203444274U
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Abstract
The utility model provides a liquid crystal display stepping motor driver based on ARM, which comprises a voice control unit, a microphone, a loudspeaker, an embedded single chip microcomputer, a driver, a liquid crystal display and a power module; the microphone and the loudspeaker are in signal electrical connection with the voice control unit; the embedded single chip microcomputer is respectively electrically connected with the voice control unit and the driver in a bidirectional signal manner; the liquid crystal display is electrically connected with the embedded single chip microcomputer through signals; the power supply module provides a working power supply for the system; when in use, the controlled stepping motor is electrically connected with a driver control signal. The utility model discloses can realize controlling step motor's operating condition through voice command, circuit design is succinct, and the cost is lower, and speech recognition rate is high, and job stabilization nature is good, and operating personnel can clearly conveniently master step motor's running state through LCD.
Description
Technical field
The utility model relates to motor driver technical field, is specifically related to a kind of liquid crystal display stepper motor driver based on ARM.
Background technology
Motor is as actuating unit, and the effect of bringing into play in current industrial and agricultural production and daily life is increasing.Current widely used motor is generally direct current generator and alternating current generator.A kind of as in direct current generator of stepper motor, is bringing into play irreplaceable effect in a lot of occasions.Current most of step motor control system is basis mainly with single-chip microcomputer, and effector's order realizes by key-press input, as presses certain key and make motor open/stop, press certain key make motor just/reversion etc.Although button control mode simplicity of design, human-computer interaction, intelligent level are poor, and, the place that the person had to injury severe at a few thing environment particularly, under the environment such as underground, deep water and radiation, high temperature, is difficult to operation by button; And current controllor for step-by-step motor does not possess Presentation Function conventionally, the state of a control of the motor of current operation and motor operating state are grasped to inconvenience.
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 the liquid crystal display stepper motor driver based on ARM that can show in real time the state of a control of motor operation.
The technical solution of the utility model is: the liquid crystal display stepper motor driver based on ARM of the present utility model, and its design feature is: comprise voice control module, microphone, loudspeaker, embedded scm, driver, liquid crystal display and power module;
Above-mentioned voice control module is provided with microphone signal input end, audible warning output terminal, voice control signal end; Microphone is provided with voice signal output terminal; Loudspeaker are provided with audio signal input end; Embedded scm is provided with first signal end, secondary signal end and liquid crystal display signal output part; Driver is provided with control signal input end and control signal output terminal; Liquid crystal display is provided with display input end;
The microphone signal input end of voice control module is electrically connected to the voice signal output end signal of microphone; The audio signal input end of loudspeaker is electrically connected to the audible warning output end signal of voice control module; The first signal end of embedded scm is electrically connected to the voice control signal end two-way signaling of voice control module; The control signal input end of driver is electrically connected to the secondary signal end two-way signaling of embedded scm; The display input end of liquid crystal display is electrically connected to the liquid crystal display signal output part signal of embedded scm; Power module provides working power for system.
Further scheme is: the core devices of above-mentioned voice control module is Ling Yang SPCE061A microprocessor; Embedded scm is the embedded microcontroller of LMS1138 model; Driver is the integrated chip of TA8435H model; Liquid crystal display is is the liquid crystal display of 12864C-1 model.
The utlity model has positive effect: (1) liquid crystal display stepper motor driver based on ARM of the present utility model, can realize the duty of stepper motor is controlled by phonetic order, circuit design is succinct, and cost is lower.(2) the liquid crystal display stepper motor driver based on ARM of the present utility model, phonetic recognization rate is high, good operating stability.(3) the liquid crystal display stepper motor driver based on ARM of the present utility model, by liquid crystal display is set, can show in real time actions such as the start/stop of controlled stepper motor, forward/reversion, acceleration/deceleration, operating personnel can know by liquid crystal display the running status of grasping easily stepper motor.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model, has also shown the stepper motor that is electrically connected to and is subject to its control with it in figure;
Fig. 2 is the voice-operated theory diagram of realizing of voice control module in Fig. 1.
Reference numeral in above-mentioned accompanying drawing is as follows:
Voice control module 1,
Microphone 2,
Loudspeaker 3,
Embedded scm 4,
Driver 5,
Liquid crystal display 6,
Power module 7,
Stepper motor 8.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
(embodiment 1)
See Fig. 1, the liquid crystal display stepper motor driver based on ARM of the present embodiment, is mainly comprised of voice control module 1, microphone 2, loudspeaker 3, embedded scm 4, driver 5, liquid crystal display 6 and power module 7; It is controlled for stepper motor 8 being realized to voice.
Voice control module 1 is provided with microphone signal input end, audible warning output terminal, voice control signal end; Microphone 2 is provided with voice signal output terminal; Loudspeaker 3 are provided with audio signal input end; Embedded scm 4 is provided with first signal end, secondary signal end and liquid crystal display signal output part; Driver 5 is provided with control signal input end and control signal output terminal; Liquid crystal display 6 is provided with display input end; Power module 7 provides working power for system.Stepper motor 8 has control signal input end.
The microphone signal input end of voice control module 1 is electrically connected to the voice signal output end signal of microphone 2; The audio signal input end of loudspeaker 3 is electrically connected to the audible warning output end signal of voice control module 1; The first signal end of embedded scm 4 is electrically connected to the voice control signal end two-way signaling of voice control module 1; The control signal input end of driver 5 is electrically connected to the secondary signal end two-way signaling of embedded scm 4; The display input end of liquid crystal display 6 is electrically connected to the liquid crystal display signal output part signal of embedded scm 4; During use, the control signal output terminal of driver 5 is electrically connected to the control signal input end signal of stepper motor 8.
The core devices of voice control module 1 is the microprocessor of 16 bit of Ling Yang SPCE061A, this type microprocessor is compared with SPCE500A, aspect memory resource, consider the demand of the less resource of user and be convenient to the functions such as program debug, the flash memory of embedded 32K byte (FLASH) only in SPCE061A.Higher processing speed can be processed complicated voice digital signal easily, rapidly.Compare with SPCE500A, SPCE061A microcontroller is a kind of most economical selection that is applicable to spoken digit recognition application product.
Microphone 2 is for realizing the input of controlling voice.
Loudspeaker 3 are for the voice training of voice control module 1.
The embedded microcontroller (ARM) that the model that preferably adopts Luminary Micro company in embedded scm 4 the present embodiment is LMS1138.
The integrated chip that the model that preferably adopts Toshiba in driver 5 the present embodiment is TA8435H, this type integrated chip is that a circuit is simple, reliable operation for driving the special chip of two-phase stepper motor.
In liquid crystal display 6 the present embodiment, preferably adopting model is 12864C-1 liquid crystal display.This type liquid crystal display hardware circuit and display routine are more succinct, economical and practical.
The principle of work of the liquid crystal display stepper motor driver based on ARM of the present embodiment is summarized as follows:
The voice of the liquid crystal display stepper motor driver based on ARM of the present embodiment are controlled design and are based upon on isolated word, little word table, specific speaker recognition basis.
Referring to Fig. 2, the principle that speech processes realizes in system is as follows: control voice and input after voice control modules 1 by microphone 2, first analog voice signal is carried out to pre-service, if desired the simulating signal of microphone input is done to the processing such as pre-emphasis, automatic gain control, by A/D conversion equipment, complete the conversion of mould/number (being A/D) signal, realize the digitizing of voice signal; Then to encoding through pretreated voice digital signal, set up speech data model bank required while identifying and store, this process is also referred to as " training " and relevant information is stored; According to the characteristic parameter of input signal and the speech model storehouse of having set up of calling, carry out pattern match comparison afterwards, thereby complete identification; Finally recognition result is decoded, after the conversion of D/A (being D/A) signal, export control signal again, control signal outputs to follow-up embedded scm 4,4 pairs of control signals of embedded scm carry out exporting to driver 5 after respective handling, finally by driver 5, according to voice control command, stepper motor 8 are implemented to the controls such as start/stop, forward/reversion, acceleration/deceleration.Loudspeaker 3 are realized the real-time broadcasting of controlling voice.The real-time status of 6 pairs of controlled stepper motors of liquid crystal display shows, make operating personnel to the running status of stepper motor cheer and bright grasp.
In sum, the liquid crystal display stepper motor driver based on ARM of the present embodiment, can be realized the duty of stepper motor is controlled by phonetic order, and circuit design is succinct, and cost is lower; Phonetic recognization rate is high, good operating stability; By liquid crystal display is set, can show in real time actions such as the start/stop of controlled stepper motor, forward/reversion, acceleration/deceleration, operating personnel can know by liquid crystal display the running status of grasping easily stepper 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 not in the situation that departing from spirit and scope of the present utility model; can also make various conversion and variation and obtain the corresponding technical scheme being equal to, therefore all technical schemes that are equal to all should be included into scope of patent protection of the present utility model.
Claims (2)
1. the liquid crystal display stepper motor driver based on ARM, is characterized in that: comprise voice control module (1), microphone (2), loudspeaker (3), embedded scm (4), driver (5), liquid crystal display (6) and power module (7);
Described voice control module (1) is provided with microphone signal input end, audible warning output terminal, voice control signal end; Microphone (2) is provided with voice signal output terminal; Loudspeaker (3) are provided with audio signal input end; Embedded scm (4) is provided with first signal end, secondary signal end and liquid crystal display signal output part; Driver (5) is provided with control signal input end and control signal output terminal; Liquid crystal display (6) is provided with display input end;
The microphone signal input end of voice control module (1) is electrically connected to the voice signal output end signal of microphone (2); The audio signal input end of loudspeaker (3) is electrically connected to the audible warning output end signal of voice control module (1); The first signal end of embedded scm (4) is electrically connected to the voice control signal end two-way signaling of voice control module (1); The control signal input end of driver (5) is electrically connected to the secondary signal end two-way signaling of embedded scm (4); The display input end of liquid crystal display (6) is electrically connected to the liquid crystal display signal output part signal of embedded scm (4); Power module (7) provides working power for system.
2. the liquid crystal display stepper motor driver based on ARM according to claim 1, is characterized in that: the core devices of described voice control module (1) is Ling Yang SPCE061A microprocessor; Embedded scm (4) is the embedded microcontroller of LMS1138 model; Driver (5) is the integrated chip of TA8435H model; Liquid crystal display (6) is is the liquid crystal display of 12864C-1 model.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320530996.8U CN203444274U (en) | 2013-08-28 | 2013-08-28 | Liquid crystal display stepping motor driver based on ARM |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320530996.8U CN203444274U (en) | 2013-08-28 | 2013-08-28 | Liquid crystal display stepping motor driver based on ARM |
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| CN203444274U true CN203444274U (en) | 2014-02-19 |
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| CN201320530996.8U Expired - Fee Related CN203444274U (en) | 2013-08-28 | 2013-08-28 | Liquid crystal display stepping motor driver based on ARM |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107288183A (en) * | 2017-08-02 | 2017-10-24 | 佛山科学技术学院 | A kind of tap with voice control function |
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2013
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107288183A (en) * | 2017-08-02 | 2017-10-24 | 佛山科学技术学院 | A kind of tap with voice control function |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20170828 |
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| CF01 | Termination of patent right due to non-payment of annual fee |