CN110364157A - A kind of narrowband Internet of Things water meter and its control method - Google Patents
A kind of narrowband Internet of Things water meter and its control method Download PDFInfo
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- CN110364157A CN110364157A CN201910747244.9A CN201910747244A CN110364157A CN 110364157 A CN110364157 A CN 110364157A CN 201910747244 A CN201910747244 A CN 201910747244A CN 110364157 A CN110364157 A CN 110364157A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/06—Indicating or recording devices
- G01F15/065—Indicating or recording devices with transmission devices, e.g. mechanical
-
- 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
- G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
-
- 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
- G10L2015/223—Execution procedure of a spoken command
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Quality & Reliability (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephonic Communication Services (AREA)
Abstract
The invention discloses a kind of narrowband Internet of Things water meter and its control method, when normal work, user or staff pass through the work of Internet of Things water meter central controller controls base table;After communication system failure, user or staff can be switched to sound control mode, send control instruction to Internet of Things water meter central controller by voice control system, control the work of base table, such as supplement and understand fault message with money, convenient and practical.
Description
Technical field
The present invention relates to water meter fields, particularly, are related to a kind of narrowband Internet of Things water meter and its control method.
Background technique
With the development of narrowband technology of Internet of things, narrowband Internet of Things water meter facilitates water utilities company using more and more extensive
Meter reading and management, played important function in the construction of smart city.But narrowband Internet of Things water meter only considered at present
The convenience of meter reading has ignored the maintenance of local water meter and the use of end user.Although narrowband Internet of Things water meter provides local
The interactive interface of water meter, but terminal user does not have professional equipment that can not check at all, and part water pump composite environment is uncomfortable
Conjunction is checked, causes user that can not learn water amount information by local water meter.
It is that it is narrow to safeguard that user of service understands by cell phone application that user, which understands the mode of narrowband Internet of Things water meter information, at present
Mode with Internet of Things water meter information is backstage or dedicated interface.When narrowband, there is communication failure in Internet of Things water meter, dimension
The personnel of repairing are not easy to grasp the fault message of water meter, and user timely can not carry out recharging and paying to water meter.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention, which is provided after a kind of guarantee communication system breaks down, will appreciate that water
Table fault message and the narrowband Internet of Things water meter and its control method that recharging and paying can be carried out to water meter in time.
The technical solution adopted by the present invention to solve the technical problems is:
On the one hand,
A kind of narrowband Internet of Things water meter, including base table, logistics net water meter central controller and voice control system, it is described
Base table described in Internet of Things water meter central controller controls;The voice control system and the Internet of Things water meter central controller connect
It connects.
Further, stating voice control system includes:
Sound acquisition module obtains voice signal for acquiring acoustic information;
Sound recognition module obtains identification signal, is also used to institute for being handled and being identified the voice signal
Identification signal is stated to compare with preset signals;
Control processor is used for when the identification signal is identical as the preset signals, in Xiang Suoshu Internet of Things water meter
Controller is entreated to send the corresponding control instruction of the preset signals.
Further, the sound acquisition module includes sensor, noise filter, amplifier, and the voice signal is
The acoustic information becomes analog signals after sound acquisition module.
Further, the sound recognition module includes:
Sound processing module, the voice signal for obtaining the sound signal processing to meet normal person, and by described
The voice signal for meeting normal person obtains the identification signal;
Sound comparison module, for comparing the identification signal and the preset signals.
On the other hand,
A kind of control method of narrowband Internet of Things water meter, comprising the following steps:
When detecting communication system failure, into sound control mode pre-switch state, the sound control mode is pre-
Switching state for etc. dynamic password to be received;
It receives the dynamic password and the dynamic password is verified, the reception dynamic password does not pass through institute
State communication system;
After being proved to be successful, it is switched to sound control mode;
Execute sound control instruction.
Further, the execution sound control instruction includes:
Receive acoustic information;
The acoustic information is converted into voice signal;
Sound control instruction is obtained by the voice signal;
Execute the sound control instruction.
Further, described sound control instruction is obtained by the voice signal to include:
It is compared after the voice signal is handled with preset sound control instruction;
If identical as the preset sound control instruction, sound control instruction is obtained.
Further, it is described the voice signal is handled after with preset sound control instruction compare packet
It includes:
The acoustic signal in specified range is obtained by the acoustic signal;
Amplitude sample value is obtained by the acoustic signal of the specified range of acquisition;
Level is carried out to the amplitude sample value to quantify to obtain discrete integer value;
The integer value is encoded, is compared with the coding of preset sound control instruction.
Further, described acoustic signal in specified range is obtained by the acoustic signal to include:
Sound characteristic is extracted to the acoustic signal, the acoustic feature includes the amplitude and frequency of the acoustic signal
Rate;
The amplitude of acoustic signal in the amplitude of the acoustic signal and frequency and specified range and frequency are carried out
Comparison;
Obtain the acoustic signal of amplitude and frequency all within the specified range.
Further, the acoustic signal of the specified range by acquisition obtains amplitude sample value and includes:
The acoustic signal for extracting the specified range of the acquisition at set time intervals obtains amplitude sample pulse;
The amplitude sample value is obtained by the amplitude sample pulse.
The utility model has the advantages that
Technical solution of the present invention provides a kind of narrowband Internet of Things water meter and its control method, when normal work, Yong Huhuo
Person staff passes through the work of Internet of Things water meter central controller controls base table;After communication system failure, user or work
Sound control mode can be switched to by making personnel, sent control to Internet of Things water meter central controller by voice control system and referred to
It enables, controls the work of base table, such as supplement and understand fault message with money, it is convenient and practical.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of narrowband Internet of Things water meter provided in an embodiment of the present invention;
Fig. 2 is a kind of structural schematic diagram of voice control system provided in an embodiment of the present invention;
Fig. 3 is a kind of flow chart of the control method of narrowband Internet of Things water meter provided in an embodiment of the present invention;
Fig. 4 is a kind of flow chart of the specific control method of narrowband Internet of Things water meter provided in an embodiment of the present invention;
Fig. 5 is a kind of circuit diagram of sound acquisition module provided in an embodiment of the present invention;
Fig. 6 is a kind of circuit diagram of sound recognition module provided in an embodiment of the present invention.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Referring to Fig.1, the embodiment of the invention provides in a kind of narrowband Internet of Things water meter, including base table 11, logistics net water meter
Controller 12 and voice control system 13 are entreated, Internet of Things water meter central controller 12 controls base table 11;Voice control system 13
It is connect with Internet of Things water meter central controller 11.
A kind of narrowband Internet of Things water meter provided in an embodiment of the present invention, when normal work, user or staff pass through
The work of Internet of Things water meter central controller controls base table;After communication system failure, user or staff can pass through
Voice control system sends control instruction to Internet of Things water meter central controller, controls the work of base table, such as supplements with money and understand
Fault message, it is convenient and practical.
It further remarks additionally as to above-described embodiment, the present invention also provides another narrowband Internet of Things water meters
Embodiment, including base table, logistics net water meter central controller and voice control system, Internet of Things water meter central controller controls
Base table;Voice control system is connect with Internet of Things water meter central controller.
As a kind of preferred implementation of the embodiment of the present invention, as shown in Fig. 2, voice control system includes:
Sound acquisition module 21 obtains voice signal for acquiring acoustic information;
It should be noted that sound acquisition module includes sensor, noise filter, amplifier, voice signal is sound
Information becomes analog signals after sound acquisition module.
Sound recognition module 22 obtains identification signal for handling voice signal, be also used to by identification signal with
Preset signals compare;
In some embodiments, sound recognition module 22 includes:
Sound processing module 221, the voice signal for obtaining sound signal processing to meet normal person, and by meeting just
The voice signal of ordinary person obtains identification signal;
Sound comparison module 222, for comparing identification signal and preset signals.
Control processor 23, for being sent out to Internet of Things water meter central controller when identification signal is identical as preset signals
Send preset signals corresponding control instruction.
Another kind narrowband Internet of Things water meter provided in an embodiment of the present invention, voice control system include sound acquisition module,
Sound recognition module and control processor, sound acquisition module acquires acoustic information, and is converted to voice signal;Voice recognition
Module handles voice signal, obtains identification signal, while identification signal and preset signals being compared;Control processing
Device sends the corresponding control of preset signals to Internet of Things water meter central controller and refers to when identification signal is identical as institute's preset signals
It enables.It can be realized and controlled by sound in this way, and the voice signal of exclusive PCR.It is more accurate convenient.
In one embodiment, the present invention also provides a kind of control methods of narrowband Internet of Things water meter, comprising the following steps:
S1: when detecting communication system failure, into sound control mode pre-switch state, sound control mode pre-cut
Change state for etc. dynamic password to be received;
It should be noted that the external world can also send control mode switch by communication system when communication system is intact
Instruction, narrowband Internet of Things water meter enter sound control mode pre-switch state.
S2: receiving dynamic password and verify to dynamic password, receives dynamic password and does not pass through communication system;
In some embodiments, narrowband Internet of Things water meter receives the mode of dynamic password, for by being independently arranged in water meter
Wireless receiving module, receive dynamic password.When sending dynamic password, using the device of similar remote controler to narrowband Internet of Things water
Table sends dynamic password, and narrowband Internet of Things water meter passes through the wireless receiving module being independently arranged, receives the dynamic password.
Digital keys are equipped in other embodiments, outside narrowband Internet of Things water meter or can show the touch screen of number,
Dynamic password is manually entered by maintenance personal or user.
It should be noted that dynamic password is generated by certain rule, within the specific period, maintenance personal or
User can not needed narrowband Internet of Things water meter by communication system and be sent to backstage by learning dynamic password from the background.
S3: after being proved to be successful, it is switched to sound control mode;
S4: sound control instruction is executed.
Preferably, executing sound control instruction includes:
Receive acoustic information;
Acoustic information is converted into voice signal;
Sound control instruction is obtained by voice signal;
It should be noted that obtaining sound control instruction by voice signal and including:
It is compared after voice signal is handled with preset sound control instruction;
Wherein, it is compared after voice signal being handled with preset sound control instruction and includes:
The acoustic signal in specified range is obtained by acoustic signal;
Optionally, obtaining the acoustic signal in specified range by acoustic signal includes:
Sound characteristic is extracted to acoustic signal, acoustic feature includes the amplitude and frequency of acoustic signal;
The amplitude of acoustic signal and frequency and the amplitude and frequency of the acoustic signal in specified range are compared;
Obtain the acoustic signal of amplitude and frequency all within the specified range.
Amplitude sample value is obtained by the acoustic signal of the specified range of acquisition;
Optionally, obtaining amplitude sample value by the acoustic signal of the specified range of acquisition includes:
The acoustic signal for extracting the specified range of acquisition at set time intervals obtains amplitude sample pulse;
Amplitude sample value is obtained by amplitude sample pulse.
Level is carried out to amplitude sample value to quantify to obtain discrete integer value;
It should be noted that quantized level is depending on required precision.
Integer value is encoded, is compared with the coding of preset sound control instruction.
If identical as preset sound control instruction, sound control instruction is obtained.
Execute sound control instruction.
A kind of control method of narrowband Internet of Things water meter provided in an embodiment of the present invention, in communication system failure, water meter
It into control model pre-switch state, waits dynamic password to be received and verifies, after being proved to be successful, be switched to sound control mould
Formula can receive acoustic information and execute sound control signal.It ensure that narrowband Internet of Things water meter, can in communication system failure
With by sound come normal use.
As the further explanation to above-described embodiment, the present invention also provides a kind of narrowband Internet of Things water meters specifically to control
Method processed, as shown in figure 4, after being switched to sound control mode, voice controller starting detection, and require maintenance personal's verification dynamic
State password.Password check success after, audibled instruction by maintenance personal, sound instruction through identification after and control processor
Prepositioned instruction compare, and operated according to prepositioned instruction.
Illustratively, sound instruction includes but is not limited to: "Yes", "No", " reporting failure " and " supplementing 100 yuan with money ".
Such as Fig. 5, shown in Fig. 6, the present invention provides the circuit diagrams of a kind of sound acquisition module and sound recognition module
Embodiment.Microphone selects Electret condenser microphone, and bias voltage is provided by the VMIC of SPCE061A.SPCE061A has a voice defeated
Enter channel, it is built-in dedicated for speech signal samples by being built-in with the input of automatic gain control amplifier microphone channel
Digital analog converter samples the audio signal of input, and is encoded, decoded, stored according to audio coding formats, compares,
Realize language process function.
A kind of specific control method of narrowband Internet of Things water meter provided in an embodiment of the present invention, the narrowband Internet of Things of sound control
When net water meter can guarantee that communication failure occurs in narrowband Internet of Things water meter, maintenance personal refers to water meter sending after checking dynamic password
It enables, water meter feedback information, information includes water meter address, water meter operating status and fault message etc..Maintenance personal can pass through sound
Control system carries out breakdown judge to water meter, is supplemented with money directly around communication system to water meter, the operation such as switch valve.
It is understood that same or similar part can mutually refer in the various embodiments described above, in some embodiments
Unspecified content may refer to the same or similar content in other embodiments.
It should be noted that term " first ", " second " etc. are used for description purposes only in the description of the present application, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present application, unless otherwise indicated, the meaning of " multiple "
Refer at least two.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the application includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be by the application
Embodiment person of ordinary skill in the field understood.
It should be appreciated that each section of the application can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
It, can also be in addition, can integrate in a processing module in each functional unit in each embodiment of the application
It is that each unit physically exists alone, can also be integrated in two or more units in a module.Above-mentioned integrated mould
Block both can take the form of hardware realization, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized and when sold or used as an independent product in the form of software function module, also can store in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the application.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although embodiments herein has been shown and described above, it is to be understood that above-described embodiment is example
Property, it should not be understood as the limitation to the application, those skilled in the art within the scope of application can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of narrowband Internet of Things water meter, it is characterised in that: including base table, logistics net water meter central controller and sound control
System, base table described in the Internet of Things water meter central controller controls;In the voice control system and the Internet of Things water meter
Entreat controller connection.
2. Internet of Things water meter in narrowband according to claim 1, it is characterised in that: the voice control system includes:
Sound acquisition module obtains voice signal for acquiring acoustic information;
Sound recognition module obtains identification signal, is also used to the identification signal for handling the voice signal
It is compared with preset signals;
Control processor, for when the identification signal is identical as the preset signals, the Internet of Things water meter center Xiang Suoshu to be controlled
Device processed sends the corresponding control instruction of the preset signals.
3. Internet of Things water meter in narrowband according to claim 2, it is characterised in that: the sound acquisition module be include Mike
The circuit of wind, the voice signal are that the acoustic information becomes analog signals after sound acquisition module.
4. Internet of Things water meter in narrowband according to claim 2, it is characterised in that: the sound recognition module includes:
Sound processing module, the voice signal for obtaining the sound signal processing to meet normal person, and met by described
The voice signal of normal person obtains the identification signal;
Sound comparison module, for comparing the identification signal and the preset signals.
5. a kind of control method of narrowband Internet of Things water meter, which comprises the following steps:
When detecting communication system failure, into sound control mode pre-switch state, the sound control mode pre-switch
State for etc. dynamic password to be received;
It receives the dynamic password and the dynamic password is verified, the reception dynamic password does not pass through described logical
Letter system;
After being proved to be successful, it is switched to sound control mode;
Execute sound control instruction.
6. according to the method described in claim 5, it is characterized by: the execution sound control instruction includes:
Receive acoustic information;
The acoustic information is converted into voice signal;
Sound control instruction is obtained by the voice signal;
Execute the sound control instruction.
7. according to the method described in claim 6, it is characterized by: described obtain sound control instruction packet by the voice signal
It includes:
It is compared after the voice signal is handled with preset sound control instruction;
If identical as the preset sound control instruction, sound control instruction is obtained.
8. according to the method described in claim 7, it is characterized by: it is described the voice signal is handled after with it is preset
Sound control instruction, which compares, includes:
The acoustic signal in specified range is obtained by the acoustic signal;
Amplitude sample value is obtained by the acoustic signal of the specified range of acquisition;
Level is carried out to the amplitude sample value to quantify to obtain discrete integer value;
The integer value is encoded, is compared with the coding of preset sound control instruction.
9. according to the method described in claim 8, it is characterized by: described obtained in specified range by the acoustic signal
Acoustic signal includes:
Sound characteristic is extracted to the acoustic signal, the acoustic feature includes the amplitude and frequency of the acoustic signal;
The amplitude of the acoustic signal and frequency and the amplitude and frequency of the acoustic signal in specified range are compared;
Obtain the acoustic signal of amplitude and frequency all within the specified range.
10. according to the method described in claim 8, it is characterized by: the acoustic signal of the specified range by acquisition obtains
Include: to amplitude sample value
The acoustic signal for extracting the specified range of the acquisition at set time intervals obtains amplitude sample pulse;
The amplitude sample value is obtained by the amplitude sample pulse.
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