CN101753095B - Talking frequency changer and frequency changer system - Google Patents
Talking frequency changer and frequency changer system Download PDFInfo
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Abstract
The invention discloses a talking frequency changer and a frequency changer system. The frequency changer comprises a mobile controller, a voice signal processing module, a voice controller and a frequency changer host. The interphone in the mobile controller sends a voice command to the voice signal processing module remotely, and receives the voice information of the voice signal processing module; the voice signal processing module analyzes and compares to finish voice identification, inputs the identification result to the voice controller and outputs the feedback voice organized by the voice controller; the voice controller communicates with the frequency changer host, receives the identification result sent by the voice signal processing module, converts the identification content into the command for controlling the frequency changer host, controls and sets or inquires the running state of the frequency changer host, and organizes frequency changer host act result or state information into the feedback voice information to send to the voice signal processing module. The invention enhances interaction between human and machine and intellectuality of frequency changer, and improves working conditions of administrative staff.
Description
[technical field]
The present invention relates to the Frequency Converter Control technology, especially a kind of sociable frequency converter and frequency convertor system.
[background technology]
Frequency converter is the electric actuator for frequency conversion and speed regulation of AC motor, is widely used in the national economy industry-by-industry.Through the development of decades, be tending towards ripe, frequency converter is also perfect in the communication interface of miscellaneous equipment.Frequency converter is motor speed adjusting equipment, also is the human-computer interaction device.The human-machine interactive information exchange of traditional frequency conversion device realizes by frequency-changer operation panel.Operating personnel send various work orders by the button that operates on this panel to frequency converter, and check the actual working state of frequency converter from the LCD display of this panel, such as operation, fault, speed, electric current etc.
The related signal processing of speech recognition technology, pattern recognition, probability theory and information theory, sound generating mechanism and hearing mechanism, artificial intelligence etc. field, along with generation and the development of contiguous alphabet speech recognition technology, speech recognition is more and more wider in the utilization of industrial control field.
Frequency converter uses guidance panel to have the defectives such as man-machine interaction is relatively poor, personnel must could realize man-machine interactive operation on frequency converter next door, when personnel are far away apart from frequency converter, and can't complete operation, can not understand the actual motion state of frequency converter, it is not very convenient that frequency converter is managed.
When having many frequency converters to use simultaneously, the workload of equipment maintenance and management is larger, causes easily maintenance work to incur loss through delay.
[summary of the invention]
The technical problem to be solved in the present invention is for the dissatisfactory problem of present frequency converter man-machine interaction effect, and a kind of frequency converter that can realize with voice man-machine information exchange is provided, thereby realizes that the remote voice that use manage frequency converter.
Another technical problem that will solve of the present invention is the problem that is difficult for management maintenance for present many frequency converters, provides a kind of administrative staff a position, can realize frequency convertor system that many frequency converters are carried out man-machine information exchange with voice.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is, a kind of sociable frequency converter, comprise mobile controller, voice signal processing module, voice controller and frequency converter main frame, described mobile controller comprises intercom, intercom sends voice command at a distance to voice signal processing module, and the voice messaging of received speech signal processing module; Voice signal processing module is finished speech recognition by analyses and comparison, and recognition result is inputted voice controller, and the feedback voice output that voice controller is organized; Described voice controller and frequency converter main-machine communication, the recognition result that voice controller received speech signal processing module sends, the content of identification is converted into the order of control frequency converter main frame, control, the running status of frequency converter main frame or inquiry frequency converter main frame is set, and frequency converter main frame the result of the action or state information are organized into the feedback voice messaging send to voice signal processing module.
Above-described sociable frequency converter, described voice signal processing module comprises intercom, A/D convertor circuit, DA change-over circuit, dsp processor and memory, the intercom of described intercom and mobile controller carries out voice communication, the voice that intercom receives are inputted dsp processor after the A/D convertor circuit conversion, the audio digital signals of dsp processor is exported from intercom after the conversion of DA change-over circuit; Described dsp processor is responsible for speech recognition, encoding and decoding speech reaches the read-write control to memory.
Above-described sociable frequency converter comprises microphone and loud speaker, and the phonetic entry of microphone is inputted dsp processor after the A/D convertor circuit conversion, and the audio digital signals of dsp processor is exported from loud speaker after the conversion of DA change-over circuit.
Above-described sociable frequency converter, described voice signal processing module comprise that 1 learning-oriented wireless receiving module, described wireless receiving module comprise the first button and study button and the first level output end; The first level output valve by key control the first level output end, study enters learning state by the key control wireless receiving module; Described mobile controller comprises remote controller, described remote controller comprises wireless transmitter module and the first control button, the first control is by key control wireless transmitter module emissioning controling signal, described remote controller is related by code and wireless receiving module are set up, and the first control is by the level output valve of key control the first level output end; Described the first level output end connects dsp processor the first control signal input.
Above-described sociable frequency converter, described voice controller comprises embedded computer, keyboard, display, described embedded computer receives the voice identification result that dsp processor sends, and be responsible for and the frequency converter main-machine communication, tissue feedback voice messaging sent to dsp processor after communication was finished.
A kind of technical scheme of frequency convertor system is, comprises at least 2 above-mentioned frequency converters, and all frequency converters share 1 mobile controller.
Above-described frequency convertor system, described voice signal processing module comprises intercom, A/D convertor circuit, DA change-over circuit, dsp processor and memory, the intercom of described intercom and mobile controller carries out voice communication, the voice that intercom receives are inputted dsp processor after the A/D convertor circuit conversion, the audio digital signals of dsp processor is exported from intercom after the conversion of DA change-over circuit; Described dsp processor is responsible for speech recognition, encoding and decoding speech reaches the read-write control to memory.
Above-described frequency convertor system, each voice signal processing module comprise that 1 learning-oriented wireless receiving module, described wireless receiving module comprise the first button, the second button and study button and the first level output end, second electrical level output; The first level output valve by key control the first level output end, the second level output valve by key control second electrical level output; Study enters learning state by the key control wireless receiving module; Described 2 level output ends connect respectively 2 control signal inputs of dsp processor.
Above-described frequency convertor system, described mobile controller comprises remote controller, described remote controller comprises wireless transmitter module, the second control button and the first control button identical with wireless receiving module quantity; Each control is by the different transmitter code of key control wireless transmitter module emission, described remote controller is by setting up related to code with wireless receiving module, the second control is by the same level value of second electrical level output output of all wireless receiving modules of key control, and each first control is by the level output valve of the first level output end of 1 wireless receiving module of key control.
Above-described frequency convertor system, described voice controller comprises embedded computer, keyboard, display, described embedded computer receives the voice identification result that dsp processor sends, and be responsible for and the frequency converter main-machine communication, tissue feedback voice messaging sent to dsp processor after communication was finished.
The sociable frequency converter of the present invention comes the frequency converter main frame is handled and controlled by the intercom of mobile controller, can realize using at a distance voice that frequency converter is managed, improved the intelligent of man-machine interaction and frequency converter, improve administrative staff's condition of work, alleviated administrative staff's labour intensity.
[description of drawings]
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Fig. 1 is the theory diagram of the single sociable frequency converter of the embodiment of the invention.
Fig. 2 is the theory diagram of embodiment of the invention frequency convertor system.
Fig. 3 is the theory diagram of embodiment of the invention frequency converter voice signal processing module.
Fig. 4 is the schematic diagram of the learning-oriented wireless receiving module of the embodiment of the invention.
Fig. 5 is the theory diagram of embodiment of the invention voice controller.
[embodiment]
The frequency converter embodiment that the present invention as shown in Figure 1 speaks comprises mobile controller, voice signal processing module, voice controller and frequency converter main frame, mobile controller comprises intercom, intercom sends voice command at a distance to voice signal processing module, and the voice messaging of received speech signal processing module; Voice signal processing module is finished speech recognition by analyses and comparison, and recognition result is inputted voice controller, and the feedback voice output that voice controller is organized; Voice controller and frequency converter main-machine communication, the recognition result that voice controller received speech signal processing module sends, the content of identification is converted into the order of control frequency converter main frame, control, the running status of frequency converter main frame or inquiry frequency converter main frame is set, and frequency converter main frame the result of the action or state information are organized into the feedback voice messaging send to voice signal processing module.
Phonetic entry output: mobile controller is remote management equipment, is comprised of high sensitivity intercom and high-power remote controller.The high sensitivity intercom is responsible for sending voice command and receiving on-the-spot voice messaging at a distance, high-power remote controller be responsible for frequency converter number and speech pattern selected.On-the-spot speech input output device comprises loud speaker and microphone.
Voice signal is processed: voice signal processing module gathers the external voice order, finishes speech recognition by analyses and comparison, and recognition result is inputted voice controller; The feedback voice output that voice signal processing module is also organized voice controller.
Voice control: the recognition result that voice controller received speech signal processing module sends, according to identification content and inverter communication, control, frequency converter or inquiry frequency converter running status are set, and frequency converter the result of the action or state information are organized into the feedback voice messaging send to voice signal processing module.
As shown in Figure 2, the frequency converter that the present invention speaks can form frequency convertor system, and frequency convertor system can be made of N platform frequency converter, N=8 in the present embodiment, and the whole frequency converters in the system share 1 mobile controller.
1. voice signal processing module and mobile controller:
Voice signal processing module comprises highly sensitive intercom, 5V remote control module, filter, DA converter, AD converter, dsp processor, memory.Its structure as shown in Figure 3.
Mobile controller is comprised of high-power remote controller, highly sensitive intercom and battery.Remote controller has 9 buttons, and wherein front 8 can be used code with the A road of 8 two-way 5V remote control modules respectively, and the 9th while uses code with the B road of each remote control module.When pressing first button, the 5V level is connected on the A road of first remote control module, presses the 9th button, and the 5V level is connected on the B road of all remote control modules.
Voice signal processing module and the explanation of mobile controller principle:
Highly sensitive intercom coupling passage on highly sensitive intercom on the mobile controller and the voice signal processing module uses, and is used for the remote speech input and output.During input, intercom receives intercom voice messaging in the mobile controller in the voice signal processing module, through inputting dsp processor after band-pass filter and the A/D conversion.During output, voice messaging is sent to the intercom of mobile controller by D/A conversion and filter by intercom in the voice signal processing module.
Remote control module is learning-oriented wireless receiving module, receives the remote signal of mobile controller, and input dsp processor when power on/off is plain, in remote control module A, B two-way, have 1 the tunnel to connect, during the output high level, this voice signal processing module is in mode of learning, otherwise is recognition mode.Each mobile controller can be managed 8 frequency converters.
2. frequency converter recognition mode:
In the operational system that many sociable frequency converters form, frequency converter can artificially be numbered, and numbering is kept at the embedded computer configuration file the inside of voice controller.Sociable frequency converter recognition mode (when normally moving) is exemplified below:
(1) on-site identification pattern
Take " No. 1 frequency converter starts " voice as example:
Operating personnel are to on-the-spot microphone propaganda directed to communicate " No. 1 frequency converter start ", after voice signal processing module receives the analoging sound signal of microphone, enter dsp processor by the numeral after filtering, the A/D conversion, dsp processor extracts the digital signal feature, relatively and after some subsequent treatment draw recognition result with the reference template storehouse, recognition result sends to embedded computer in the voice controller by the RS232 mouth.
Embedded computer receives the order of " No. 1 frequency converter starts ", at first judges in the machine configuration file whether be " No. 1 ".If not " No. 1 ", do not do response; If " No. 1 ", embedded computer sends initiation message by the RS485 mouth to the frequency converter main frame, and message is the standard MODBUS protocol message that the frequency converter main frame can be identified.After waiting for certain hour, embedded computer sends to frequency converter and reads the message of starting state, if start, embedded computer will be exported to the user to the voice messaging that voice signal processing module is fed back " No. 1 frequency converter starts "; If do not start the voice messaging of feedback " No. 1 frequency converter starts unsuccessfully " to the user.
(2) identify by mobile controller
The same with the on-site identification process by mobile controller identification, just voice signal sends by mobile controller.
3. frequency converter mode of learning (during debugging):
(1) work-place study
As shown in Figure 4, remote control module has 3 hand push button B and three LED light L, manually presses first button B1, A road output 5V level, and first indicator light L1 lights, and clicks button B1 again, and the A road is output as the 0V level, and indicator light L1 extinguishes.Manually press second button B2, B road output 5V level, second LED lamp L2 lights, and clicks button B2 again, and the B road is output as 0V, and indicator light L2 extinguishes.The 3rd button is learning remote control code button (to code time use), press first first button B1, L1 is bright for first indicator light, press again the 3rd button B3, begin to learn A road remote control mode, then press first remote controller buttons on the mobile controller, this moment, the 3rd indicator light L 3 flickers were 2 seconds, then automatically the output of A road is become 0V, A road indicator light extinguishes.Represent on A road and the mobile controller first button to the code success.Like this, just can be by the button on the mobile controller remote controller by A road output 0V or 5V level.B road or other remote control module learning process are identical.
Manually press A road or the B road button of remote control module, corresponding LED lamp is bright,, 5V is effective, and 0V is invalid.When detecting, DSP enters mode of learning when A road or B road all are 5V, need the voice signal of study by on-the-spot microphone input, dsp processor is with the original speech information preliminary treatment that receives, comprise the special processings such as preemphasis, minute frame, then each frame is done acoustic analysis, extract the characteristic vector in the voice signal, set up learning template and deposit RAM in.Simultaneously template is write FLASH learning section mould plate memory block.Also store standard form, the reference template storehouse when standard form and learning template form recognition mode jointly among the FLASH simultaneously.
After the voice of study are finished, manually press A road or B road button, output becomes 0V, and indicator light extinguishes.After DSP detects the saltus step of A road or B road level, send the message of a learning success to the voice controller embedded computer, the voice signal of feedback " XX frequency converter learning success " was exported to the user by voice signal processing module after embedded computer received.
(2) learn by mobile controller
The same with the work-place study process by the mobile controller learning process, just phonetic entry is by the mobile controller intercom, and remote controller is passed through in the control of the level on A road and B road.Front 8 buttons of mobile controller respectively with the A road of the remote control module of 8 frequency converters to code, the 9th button simultaneously with the B road of the remote control module of all frequency converters to code, any frequency converter on the A road or the output level on B road just enter mode of learning when being 5V.Also control 1 frequency converter by mobile controller like this and learn, also can control many simultaneously study, can also control whole frequency converters and learn.Any one that press in front 8 buttons can select the frequency converter of a correspondence to learn; Press the 9th button, make the B road output 5V level of whole frequency converter remote control modules, all frequency converter enters learning state; Press selectively a plurality of in front 8 buttons, can select many corresponding frequency converters to enter learning state.After study is finished, repeat to press aforesaid button, withdraw from learning state.
Under the mode of learning, dsp processor comprises the special processings such as preemphasis, minute frame with the original speech information preliminary treatment that receives, and then each frame is done acoustic analysis, extracts the characteristic vector in the voice signal, sets up learning template and deposits RAM in.Simultaneously template is write FLASH learning section mould plate memory block.Also store standard form, the reference template storehouse when standard form and learning template form recognition mode jointly among the FLASH simultaneously.
Learning content comprises:
1, " startup " 9, " deceleration "
2, " affirmation starts " 10, " stopping to slow down "
3, " shutdown " 11, " report condition "
4, " affirmation is shut down " 12, " report fault "
5, " forward preparation " 13, " parameter number "
6, " counter-rotating is prepared " 14, " parameter value "
7, " acceleration " 15, " 0123456789 "
8, " stop accelerate " 16, " X frequency converter ".
Under the recognition mode, dsp processor extracts characteristic vector with the original speech information process preliminary treatment that receives.Call among the RAM in advance in reference model storehouse among the FLASH, then speech characteristic vector and reference model storehouse is carried out the similarity coupling and draw recognition result.And recognition result sent to voice controller by the RS232 interface.
3. voice controller:
Voice controller is comprised of embedded computer, keyboard, LCD display.The voice identification result that embedded computer sends by RS232 mouth received speech signal processing module, and be responsible for and the frequency converter host communication, tissue feedback voice messaging sent to voice signal processing module and is transferred to administrative staff after communication was finished.The structure of voice controller as shown in Figure 5.
Operation voice control software in the embedded computer, software is communicated by letter with speech recognition software among the DSP, obtains voice identification result.When recognition result is effective order, voice control software converts voice control command to standard MODBUS protocol command that the frequency converter main frame can be identified, send to the frequency converter main frame by the RS232/485 transducer, the frequency converter main frame is made respective response after receiving; After response was finished, embedded computer fed back statement according to order and response condition tissue, and the voice inquirement storehouse will be fed back statement and be converted digital speech information to and send to voice signal processing module feedback management personnel by the RS232 mouth.
For example receive the recognition result of " No. 1 frequency converter " " startup ", the embedded computer that is numbered " 1 " in the configuration file will become " startup " command translation the MODBUS protocol command to send to frequency converter, then the voice signal feedback management personnel of tissue " No. 1 frequency converter starts ".
Operation voice control software reads the frequency converter running status in real time in the embedded computer, organizes alarm voice information immediate feedback administrative staff when alarm generation is arranged.Keyboard is used for the input keyboard order, and LCD display is used for showing frequency converter running status and warning message.Alarm voice mainly contains:
1, " X XXX power cell has fault, bypass "
2, " X frequency converter generation overtemperature fault trips "
3, " receive the outside order of stopping in emergency for X number, shut down "
4, " X number generation over current fault shut down "
5, " X number generation overload fault shut down "
6, " X number generation overvoltage fault shut down "
7, " X number generation three-phase current unbalance fault shut down "
8, " the closed loop feedback signal fault that goes offline occurs for X number, shut down "
9, " the X high voltage cabinet door is opened, and is dangerous "
10, " X frequency converter temperature drift please notes "
11, " the X underrun please notes "
12, " the X time scheduled maintenance arrives, and I need cleaning, please as early as possible maintaining ".
Claims (8)
1. sociable frequency converter, it is characterized in that, comprise mobile controller, voice signal processing module, voice controller and frequency converter main frame, described mobile controller comprises intercom, intercom sends voice command at a distance to voice signal processing module, and the voice messaging of received speech signal processing module; Voice signal processing module is finished speech recognition by analyses and comparison, and recognition result is inputted voice controller, and the feedback voice output that voice controller is organized; Described voice controller and frequency converter main-machine communication, the recognition result that voice controller received speech signal processing module sends, the content of identification is converted into the order of control frequency converter main frame, control, the running status of frequency converter main frame or inquiry frequency converter main frame is set, and frequency converter main frame the result of the action or state information are organized into the feedback voice messaging send to voice signal processing module; Described voice signal processing module comprises intercom, A/D convertor circuit, DA change-over circuit, dsp processor and memory, the intercom of described intercom and mobile controller carries out voice communication, the voice that intercom receives are inputted dsp processor after the A/D convertor circuit conversion, the audio digital signals of dsp processor is exported from intercom after the conversion of DA change-over circuit; Described dsp processor is responsible for speech recognition, encoding and decoding speech reaches the read-write control to memory.
2. sociable frequency converter according to claim 1, it is characterized in that, comprise microphone and loud speaker, the phonetic entry of microphone is inputted dsp processor after the A/D convertor circuit conversion, and the audio digital signals of dsp processor is exported from loud speaker after the conversion of DA change-over circuit.
3. sociable frequency converter according to claim 2 is characterized in that, described voice signal processing module comprises that 1 learning-oriented wireless receiving module, described wireless receiving module comprise the first button and study button and the first level output end; The first level output valve by key control the first level output end, study enters learning state by the key control wireless receiving module; Described mobile controller comprises remote controller, described remote controller comprises wireless transmitter module and the first control button, the first control is by key control wireless transmitter module emissioning controling signal, described remote controller is related by code and wireless receiving module are set up, and the first control is by the level output valve of key control the first level output end; Described the first level output end connects dsp processor the first control signal input.
4. the described sociable frequency converter of arbitrary claim in 3 according to claim 1, it is characterized in that, described voice controller comprises embedded computer, keyboard, display, described embedded computer receives the voice identification result that dsp processor sends, and be responsible for and the frequency converter main-machine communication, tissue feedback voice messaging sent to dsp processor after communication was finished.
5. a frequency convertor system is characterized in that, comprises at least 2 frequency converters as claimed in claim 1, and all frequency converters share 1 mobile controller.
6. frequency convertor system according to claim 5, it is characterized in that each voice signal processing module comprises that 1 learning-oriented wireless receiving module, described wireless receiving module comprise the first button, the second button and study button and the first level output end, second electrical level output; The first level output valve by key control the first level output end, the second level output valve by key control second electrical level output; Study enters learning state by the key control wireless receiving module; Described 2 level output ends connect respectively 2 control signal inputs of dsp processor.
7. frequency convertor system according to claim 6 is characterized in that, described mobile controller comprises remote controller, and described remote controller comprises wireless transmitter module, the second control button and the first control button identical with wireless receiving module quantity; Each control is by the different transmitter code of key control wireless transmitter module emission, described remote controller is by setting up related to code with wireless receiving module, the second control is by the same level value of second electrical level output output of all wireless receiving modules of key control, and each first control is by the level output valve of the first level output end of 1 wireless receiving module of key control.
8. the described frequency convertor system of arbitrary claim in 7 according to claim 5, it is characterized in that, described voice controller comprises embedded computer, keyboard, display, described embedded computer receives the voice identification result that dsp processor sends, and be responsible for and the frequency converter main-machine communication, tissue feedback voice messaging sent to dsp processor after communication was finished.
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| CN106227498A (en) * | 2016-07-21 | 2016-12-14 | 乐视控股（北京）有限公司 | A kind of voice-operated method and apparatus |
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| CN2912147Y (en) * | 2006-07-07 | 2007-06-13 | 天津三星电子显示器有限公司 | TV remote controller controlled by smart voice |
| CN101430545A (en) * | 2008-12-08 | 2009-05-13 | 三一重工股份有限公司 | Remote voice control system and method used for engineering machinery |
| CN201237267Y (en) * | 2008-04-30 | 2009-05-13 | 杭州九阳小家电有限公司 | Voice-controlled electromagnetic stove |
| CN201278099Y (en) * | 2008-10-24 | 2009-07-22 | 青岛海信电器股份有限公司 | Voice controlled electrical appliance |
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| CN2912147Y (en) * | 2006-07-07 | 2007-06-13 | 天津三星电子显示器有限公司 | TV remote controller controlled by smart voice |
| CN201237267Y (en) * | 2008-04-30 | 2009-05-13 | 杭州九阳小家电有限公司 | Voice-controlled electromagnetic stove |
| CN201278099Y (en) * | 2008-10-24 | 2009-07-22 | 青岛海信电器股份有限公司 | Voice controlled electrical appliance |
| CN101430545A (en) * | 2008-12-08 | 2009-05-13 | 三一重工股份有限公司 | Remote voice control system and method used for engineering machinery |
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Effective date of registration: 20220915 Address after: 518000 3F, kumak building, Dongzhou community, Guangming Street, Guangming District, Shenzhen, Guangdong Patentee after: Shenzhen kumak Technology Co.,Ltd. Address before: 518000 Guangdong city of Shenzhen province Futian District Science Park Tairan Cangsong building, No. 706 North Block Patentee before: Shenzhen Cumark New Technology Co.,Ltd. |