CN110112829A - Low pressure bank electricity safety protecting method with intelligent sound guidance - Google Patents
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Abstract
Low pressure bank electricity safety protecting method disclosed by the invention with intelligent sound guidance; it is to be realized by the safety system with voice guidance function; the system includes shore connection box system, control system, voice controller, speech synthesis and processing module; wherein; shore connection box system is mounted in harbour bank offshore place, and control system, voice controller, speech synthesis and processing module are communicated by MOD-BUS communication system.The present invention can monitor temperature and humidity in real time to carry out the functions such as overload alarm, the fluctuation of system power supply security parameter is caused securely and reliably to monitor in real time to what bank electricity was gone on board using external disturbance, and voice guidance is carried out to safety failure processing using anomalous discrimination decision-making technique, to realize the voice guidance function of bank electricity low-voltage intelligent protection；Various failures are capable of handling, shore connection box is reduced using the probability to malfunction during that, keeps entire shore connection box system more perfect, the practicability of lifting system protects the operation safety of operator.
Description
Technical field
The present invention relates to low pressure bank electricity technical field of safety protection, especially a kind of low pressure bank with intelligent sound guidance
Electric safety protecting method.
Background technique
In previous traditional power supply technique, electricity consumption for the ship that reaches port, the ship relatively mostly used itself is provided, this is not
But the weight of ship itself is increased, but also since the outmoded of generation technology causes the serious pollution of neighbouring atmosphere.And show
Modern each Port starts using a kind of completely new, energy-saving power supply technique --- ship shore electric technology, which is to utilize land
On power grid power to the ship that will pull in shore.This completely new power supply technique can not only use boat and only significantly reduce combustion
The weight bearing of oil, and atmosphere pollution can be reduced, increase the time limit that ship generator uses.
Advanced power technology is the guarantee for implement of ship shore electric technology.
There are many kinds of the fortune in order to realize shipping shore power system safety and stability for the implementation of variable-frequency power sources in the world at present
Row, for the corresponding intelligent monitoring system of the system configuration, can monitor the operating condition etc. of ship bank system in real time, and
The case where bank electricity device on ship is with the device associated work simultaneously of harbour bank electricity is considered, special safety interlocking is devised
Device.
The present invention has carried out review paper to the application background and its current situation of shipping shore power system, illustrates ship bank
The system composition of electricity, designs the hardware and software of system.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of low pressure bank electricity security protection side with voice guidance
Method makes low pressure bank electricity system have security protection voice prompting, to preferably ensure that entire bank electricity system is more preferable to realize
Operation.
The present invention solves its technical problem, and the following technical solution is employed:
Low pressure bank electricity safety protecting method provided by the invention with intelligent sound guidance, is by with voice guidance function
What the safety system of energy was realized, which includes shore connection box system, control system, voice controller, voice
Synthesis and processing module, wherein shore connection box system is mounted in harbour bank offshore place, control system, voice controller, speech synthesis
It is communicated with processing module by MOD-BUS communication system.
The shore connection box system is by shore connection box and mounted in the intracorporal blower of the case of shore connection box, humiture transducer, three-phase
Electrical measuring meter, ID card reader composition.
The blower uses centrifugal fan in power plant, for adjusting humidity and temperature, when its variable speed is to adjust operating condition,
Efficiency is almost unchanged, when load is lower than 80%, is just declined slightly.
In the above method, data of the Temperature and Humidity module can be transmitted to control system by way of I2C bus, and by control system
It controls voice module and completes prompt facility.
The humiture transducer causes material electrical properties measure of the change temperature and wet using environment temperature, humidity variation
Degree, electric measuring instrument measures electrical parameter fluctuation, and the data of the temperature and humidity measured are transmitted to control system, control system
Voice module is controlled according to current temperature and humidity state, if exceeding range of normal value, just matches the diagnosis case in fault diagnosis library,
And it passes to voice module and carries out audio alert.At the same time, the failure being diagnosed to be and the solution phase in solution library
Matching carries out voice guidance.
The control system with anomalous discrimination decision-making technique is mounted in shore connection box face behind the door, for controlling entire voice system
The logic of system, the control system are made of SIEMENS PLC model S7-S1200 and graphic control panel, in which: S7-S1200 passes through
Data line is connected with three-phase voltage meter, Temperature Humidity Sensor, voice controller, for receiving data-signal.In control system
Fault diagnosis library and solution library are write by the SCL voice of S7-S1200PLC.
The voice controller is mounted in beside the intracorporal humiture transducer of case of shore connection box system.
The safety system using ISD1700 speech chip carry out audio alert, by control system control simultaneously
And output phase answers voice.
In the above method, for making voice under line, two modules pass through UBS- for voice synthetic module, speech processing module
RS485 is transferred to voice controller.
It, can be using a kind of low pressure bank electricity safety prevention measure with intelligent sound guidance, the protection in the above method
Measure includes voice production module, safety feedback voice cue module and operating procedure voice cue module；Voice makes module
Production including audio, the conversion of audio format, and it is most sub after by UBS-RS485 by voice transfer to voice controller realization
The production of voice, voice controller realize that the branch of voice controls using contact；Safety feedback prompt includes before shore connection box starts
The detection of condition include temperature and humidity, voltage and current and interface whether correspond to detection start to power if all reaching supply standard, if
Do not reach, audio alert simultaneously prompts corresponding steps；Operating procedure voice cue module includes operating process voice prompting step,
And whether checking procedure is completed；Warning note is prompted if step is not by process.
The present invention has the advantages that following main compared with prior art:
Humiture transducer used by 1., in conjunction with digital hygro sensor measure temperature and humidity when have quickly, make
The features such as with simplicity, causes material electrical properties variation to realize and carries out in fact to temperature and humidity also with environment temperature, humidity variation
When monitor, to carry out the functions such as overload alarm.
2. control system has anomalous discrimination decision-making technique, according to the temperature and humidity value and electrical parameter data of detection, using letter
It number extracts and processes, the system failure is differentiated, failure is reminded in time by voice.
3. voice makes module on the basis of control system fault distinguishing, by logic control, output is instructed at failure
The voice guidance of reason, the production including audio, the conversion of audio format, by UBS-RS485 by voice transfer to voice control
Device realizes the production of voice, and voice controller realizes that the branch of voice controls using contact；Can be fast, clearly, explicitly
Staff is prompted, shore connection box is greatly reduced using the probability to malfunction during that, adds entire shore connection box system more
It is kind, the practicability of system is greatly promoted, the operation safety of operator is protected.
Detailed description of the invention
Fig. 1 is the safety system figure with voice prompting function of present example.
Fig. 2 is detection operation process chart of the invention.
Fig. 3 is logical algorithm flow chart of the invention.
Fig. 4 is that control system has anomalous discrimination decision-making technique figure.
Specific embodiment
Low pressure bank electricity safety protecting method disclosed by the invention with intelligent sound guidance, is by with voice guidance
For the safety system of function come what is realized, which includes shore connection box system, control system, voice controller, speech synthesis
And processing module, wherein shore connection box system be mounted in harbour bank offshore place, intelligent sound instruct system include control system,
Voice controller, speech synthesis and processing module composition, they are communicated by MOD-BUS communication system.The present invention utilizes
Ambient environment temperature, humidity variation cause material electrical properties variation to realize to be monitored temperature and humidity to transfinite in real time
The functions such as alarm cause the fluctuation of system power supply security parameter securely and reliably to be supervised in real time to what bank electricity was gone on board using external disturbance
Control, and voice guidance is carried out to safety failure processing using anomalous discrimination decision-making technique, so that it is low more effectively to realize bank electricity
Press the voice guidance function of intelligent protection；Can be fast, clearly, explicitly how prompt staff handles various failures,
Shore connection box is greatly reduced using the probability to malfunction during that, keeps entire shore connection box system more perfect, greatly promotes and is
The practicability of system protects the operation safety of operator.
Below with reference to embodiment and attached drawing, the invention will be further described, but does not limit the present invention.
Low pressure bank electricity safety protecting method provided by the invention with intelligent sound guidance, is by with voice reminder function
Can safety system realize that the structure of the safety system is as shown in Figure 1, include shore connection box system, charging interface,
Voice controller, voice synthetic module and speech processing module.
The shore connection box system facilitates Spread Personnel to be consulted and paid the fees mounted in harbour bank offshore place, and have it is special
Shell is for dustproof and waterproof and effectively reduces shore connection box internal temperature, while guaranteeing low-power consumption.The shore connection box system is by bank
Electronic box, and the intracorporal blower of case mounted in shore connection box, humiture transducer, three-phase electrical measuring meter, ID card reader composition.
The shore connection box is that a kind of temperature control principle of shore connection box outside the harbour room based on air circulation designs, case
It is also equipped with ID card reader in vivo to be placed in the cabinet of shore connection box, blower, humiture transducer, three-phase electrical measuring meter, voice control
Device, control system and ID card reader are communicated by MOD-BUS communication system.
The blower (when load is lower than 80%, is just slightly had using variable speed come when adjusting operating condition, efficiency is almost unchanged
Decline), compressor flow is declined with revolving speed by first power rule, and the shaft power of blower then presses the decline of cube rule.Therefore, from
Heart blower is best using the economy of gearshift adjustment.Meanwhile after adjusting using variable speed, the noise of blower can be also reduced, is mitigated
The abrasion of air-introduced machine, mill exhauster impeller, prolongs its service life.So the best regulative mode of centrifugal fan in power plant is to become to turn
Velocity modulation section, for adjusting humidity and temperature.
The humiture transducer combination digital hygro sensor measures the features such as temperature and humidity is quick, using simplicity, benefit
Material electrical properties variation is caused to realize with environment temperature, humidity variation to be monitored temperature and humidity to carry out the report that transfinites in real time
The functions such as alert.The charging interface, can be using the dedicated bank electricity mating interface of market purchase, and imperial bank electricity is built in for example, Jiangsu
Mating interface.
The humiture transducer that the present invention designs, structure include software program and hardware circuit.The design of software program
Use C language.Hardware circuit includes humiture collection circuit, single chip machine controlling circuit, warning circuit, display circuit, in which: temperature
Humidity collection circuit is made of SHT10 sensor, and the indoor temperature and humidity of SHT10 acquisition temperature exports calibrated by sensor
Digital quantity；Single chip machine controlling circuit by STCW204s singlechip group at；Warning circuit is made of passive buzzer and LED light,
The middle PD1 mouth met LED in single chip machine controlling circuit；Display circuit is made of liquid crystal display and is used for displays temperature and humidity, with
Convenient for personnel's observation, it is connected to singlechip controller PB4, PB5 pin.
The humiture transducer function is monitored in real time to temperature and humidity to carry out overload alarm.For measure temperature and
Humidity, and the data of the temperature and humidity of its measurement are transmitted to control system.Humiture transducer is adopted by data of the Temperature and Humidity module
Collection, by highly integrated Temperature Humidity Sensor chip, provides the numeral output demarcated entirely, which includes with conversion
Capacitive character condensate hygrometric sensing element, a temperature element made of gap material, moisture measurement range: 0~100%
RH；- 40~+123.8 DEG C of moisture measurement range；Moisture measurement precision ± 3.0.%RH；Temperature measurement accuracy ± 0.2 DEG C；Response
Time < 4s；Low-power consumption (typ.30 μ W), can be totally submerged.Principle is to cause material electrical properties using environment temperature, humidity variation
Variation.Use following formula:
Temperature=d1+d2Sot (this is actual temperature value) (1)
In formula: d1 is selected according to supply voltage, d1, and d2 is temperature resolution；Sot is sampling A/D data value,
Temperature sampling resolution ratio uses 14bit, so d20.01 is selected herein.
In order to compensate for the non-linear to obtain accurate data of humidity sensor, equally have following humidity operational formula (2) and
(3):
RHlinear=C1+C2.SORH+C3SORH 2 (2)
In formula: RHlinearFor the relative humidity Jing Guo temperature-compensating, C1, C2, C3 are respectively humidity resolution ratio, SORHTo read
Temperature value out,
C1,C2,C3Select following (selecting according to adopted humidity A/D digit):
RHtrue=(TC-25) * (t1+t2SORH)+RHl (3)
In formula: RHtrueFor actual humidity value, TC is temperature, t1、t2Respectively time, SORHFor the temperature value of reading,
RHlFor last moment actual humidity value.
t1,t2, parameter selection is as follows: the sampling of A/D optional 8 and 12 humidity sampling resolutions use 12bit, herein
C1Select -4, C2Selection 0.0405, C3Selection -2.8*10-6, t1 selection 0.01, t2Selection 0.00008 (note: temperature influences,
The relative humidity of gas, is largely dependent upon temperature.Therefore, when measuring humidity, it should guarantee humidity sensor as far as possible
Device works at the same temperature).Temperature display 4, be hundred respectively, ten, a position, and one decimal place.Humidity display two
Position, is hundred, ten respectively.Key part: it is people to machine input data and to the basic equipment that system is intervened, is used for
Input data and order show operating status, order and the calculated result of CPU.Top of the key part in bank electricity box body
Place.
The voice controller carries out what voice alarm circuit formed by ISD1700 speech chip, becomes mounted in temperature and humidity
It send beside device, which has the function of intelligently guiding, can be carried out according to current operation status to next operating procedure
Prompt.ISD1700 sequence of speech chip is a kind of high integration, high performance chip, there is preferable sound quality and power-off storage function
Can, Multitake recording may be implemented, can satisfy system requirements.The P1.0 of single-chip microcontroller meets chip select pin/SS of ISD1700, control
Whether chip gates；P1.1 meets the serial clock pin SLCK of ISD1700；P1；P2 connect ISD1700 serial input pin MOSI from
The address of pin reading record/playback；P1.3 meets the serial output pin MISO of ISD1700.
Then resource file address table is established to inquire for play function.Voice, by the control of control system and defeated
Corresponding voice out.
The control system is mounted in shore connection box face behind the door, for controlling the logic of entire voice system, the control system by
SIEMENS PLC model S7-1200 and graphic control panel composition, in which: S7-1200 and three-phase voltage meter, Temperature Humidity Sensor, language
Sound controller etc. is connected, for receiving data-signal.Graphic control panel is connected response data with S7-1200, and can be convenient behaviour
It is operated as personnel.
The voice synthetic module, speech processing module are transmitted for making voice, two modules under line by UBS-RS485
To voice controller.Voice synthetic module synthesizes voice using the automatic wheat software of speech space, and speech processing module is adopted
Voice is handled with Gold Wave software.
Low pressure bank electricity safety protecting method provided by the invention with intelligent sound guidance uses a kind of with intelligence
The low pressure bank electricity safety prevention measure of voice reminder, the measure include voice production module, safety feedback voice cue module and
Operating procedure voice cue module.Voice production module includes the production of audio, the conversion of audio format, and it is most sub after pass through
Voice transfer to voice controller is realized the production of voice by UBS-RS485, and voice controller realizes point of voice using contact
Road control.Safety feedback prompt includes the detection of shore connection box starting precondition includes whether temperature and humidity, voltage and current and interface are right
It should detect and start to power if all reaching supply standard, if not reaching audio alert and prompting corresponding steps.Operating procedure language
Sound cue module includes whether operating process voice prompting step and checking procedure are completed.If step not presses process progress
Prompt warning note.The control flow of the low pressure bank electricity safety prevention measure reminded with intelligent sound is as shown in Figure 2.
S1: determining required voice prompting content, produces audio and is converted into compatible format.
Above-mentioned production speech audio includes the following steps:
S1.1: corresponding speech audio is gone out by voice recording software development.
S1.2: being converted into audio is MP3 format.
S2: by USB-RS485 converter, voice is copied in voice controller
S3: being admitted to after controller, realizes that the alarm of voice and guides using control system.
Above-mentioned voice reminder movement includes the following steps:
S3.1: using the contact in voice controller, the branch control of voice is realized.And broadcasting per voice all the way is set
Put mode.
S3.2: control system is passed information to using the sensor of each mechanism, control system detects whether to take power supply to
Condition
Above-mentioned determination strategy includes the following steps:
S3.2.1: control system, the regulation of combination temperature and humidity are sent to using temperature sensor and humidity sensor
Range carries out audio alert if higher than the upper limit or lower than the upper limit, and system carries out feedback regulation, and voice carries out mentioning for safety measure
Show, and starts blower.
S3.2.2: the temperature and humidity of control system, combination temperature are sent to using temperature sensor and humidity sensor
With the modification scope of humidity, if temperature and humidity does not reach normal range (NR) still, audio alert blower is damaged.
S3.2.3: the Current Voltage transmitted using three-phase electrical measuring meter, in conjunction with the working range of Current Voltage, if going beyond the scope
But the upper limit then corresponding safety operation of voice prompting is not reached, voice prompting adds voice signal alarm to and guide if going beyond the scope.
S3.2.4: examining whether interface docks success, and voice reminder interface has docked if success, if unsuccessful prompt
Undocked success, and reason is prompted to be instructed.
S3.3: after reaching condition of power supply postcondition, by step voice prompting powered operation, if failing payment, system
Automatically it checks and reason is prompted to be instructed.
The algorithm logic flow chart for the low pressure bank electricity safety prevention measure reminded as shown in Figure 3 with intelligent sound.
S1: the algorithm logic of the audio alert prompt facility of diagnostic work condition
It is by three contact x (0 or 1), y (0 or 1) in this example, z (0 or 1) represents the work under three kinds of varying environments
Condition:
Voltage and current, temperature humidity, interface docking.1 representative closure expression condition is normal, and 0 represents folding expression condition not
It please normally check.10 system numbers i.e. VA=x*10 is converted by triad number2+ y*10+z*1, controller differentiate that VA's is big
Small, VA is that different phonetic is controlling trigger value therein, and corresponding voice is controlled according to the size of VA.It is controlled with branch, most
The voice operating prompt facility of diagnostic work condition is realized eventually.
Include the following steps:
S1.1 controller obtains data xyz by detecting the closure of contact.
S1.2 controller, which is fallen into a trap, to count according to VA=x*102+y*10+z*1
S1.3 controller controls the broadcasting of voice according to the different trigger values of VA.
S2: the sound prompt function of step monitoring
It is the voice prompting monitored the step of realization by the cooperation of contact and timer in this example.Designing VBn is not
With the trigger value of voice in the controller, first step operation is completed in closure contact after control machine receives the value of VB1, and timer is at this time
Start timing, if completing operation in five minutes, VB2+1 is transmitted to controller, voice prompt operation succeeds and prompts down
Single stepping restarts if the operation for completing next step not in five points returns to the first step.
Include the following steps:
S2.1 controller judges that VB value is closed corresponding contacts.
S2.2 starts timer timing, the VB2=VB1+1 if completing in 5min to a step, triggering voice behaviour at this time
Succeed, and prompts next step.First step VBn=VB1. is returned until completing all steps if completion no in 5min
Suddenly.
Claims (10)
1. a kind of low pressure bank electricity safety protecting method with intelligent sound guidance, it is characterized in that by with voice guidance function
What safety system was realized, which includes shore connection box system, control system, voice controller, speech synthesis
And processing module, wherein shore connection box system is mounted in harbour bank offshore place, control system, voice controller, speech synthesis and place
Reason module is communicated by MOD-BUS communication system.
2. low pressure bank electricity safety protecting method according to claim 1, it is characterized in that shore connection box system is by shore connection box and dress
In the intracorporal blower of the case of shore connection box, humiture transducer, three-phase electrical measuring meter, ID card reader composition.
3. low pressure bank electricity safety protecting method according to claim 2, it is characterized in that the blower is centrifuged wind using power plant
Machine, for adjusting humidity and temperature, when its variable speed is to adjust operating condition, efficiency is almost unchanged, when load is lower than 80%,
Just it is declined slightly.
4. low pressure bank electricity safety protecting method according to claim 2, it is characterized in that data of the Temperature and Humidity module passes through I2C bus
Mode is transmitted to control system, and completes prompt facility by control system control voice module.
5. low pressure bank electricity safety protecting method according to claim 2, it is characterized in that humiture transducer utilizes environment temperature
Degree, humidity variation cause material electrical properties measure of the change temperature and humidity, and electric measuring instrument measures electrical parameter fluctuation, and is measured
Data be transmitted to control system, control system controls voice module according to current temperature and humidity state, if exceeding range of normal value
Then carry out audio alert.
6. low pressure bank electricity safety protecting method according to claim 1, it is characterized in that described have anomalous discrimination decision-making party
The control system of method is mounted in shore connection box face behind the door, and for controlling the logic of entire voice system, the control system is by SIEMENS PLC
Model S7-S1200 and graphic control panel composition, in which: S7-S1200 passes through data line and three-phase voltage meter, temperature and humidity sensing
Device, voice controller are connected, for receiving data-signal.
7. the low pressure bank electricity safety protecting method stated according to claim 1, it is characterized in that the voice controller, which is mounted in, is located at bank
Beside the intracorporal humiture transducer of the case of electronic box system.
8. low pressure bank electricity safety protecting method according to claim 1, it is characterized in that the safety system uses
ISD1700 speech chip carries out audio alert, and voice is answered in control and output phase by control system.
9. low pressure bank electricity safety protecting method according to claim 1, it is characterized in that voice synthetic module, speech processes mould
Block is used to make voice under line, and two modules are transferred to voice controller by UBS-RS485.
10. -9 any low pressure bank electricity safety protecting method according to claim 1, it is characterized in that there is intelligence using a kind of
The low pressure bank electricity safety prevention measure of voice guidance, the measure include voice production module, safety feedback voice cue module and
Operating procedure voice cue module；Voice production module includes the production of audio, the conversion of audio format, and it is most sub after pass through
Voice transfer to voice controller is realized the production of voice by UBS-RS485, and voice controller realizes point of voice using contact
Road control；Safety feedback prompt includes the detection of shore connection box starting precondition includes whether temperature and humidity, voltage and current and interface are right
It should detect and start to power if all reaching supply standard, if not reaching audio alert and prompting corresponding steps；Operating procedure language
Sound cue module includes whether operating process voice prompting step and checking procedure are completed；If step not presses process progress
Prompt warning note.
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| CN116527737A (en) * | 2023-07-05 | 2023-08-01 | 英孚康（浙江）工业技术有限公司 | Multi-input single-output network connection control method for PLC single-threaded system in industrial control environment |
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Application publication date: 20190809 |