CN110161947A - A kind of detection prevention system and method for wall current - Google Patents
A kind of detection prevention system and method for wall current Download PDFInfo
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- CN110161947A CN110161947A CN201910301915.9A CN201910301915A CN110161947A CN 110161947 A CN110161947 A CN 110161947A CN 201910301915 A CN201910301915 A CN 201910301915A CN 110161947 A CN110161947 A CN 110161947A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/11—Plc I-O input output
- G05B2219/1103—Special, intelligent I-O processor, also plc can only access via processor
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Abstract
The invention discloses a kind of detection prevention systems and method for wall current, the detection prevention system includes system control module, detection module, input module, executing agency and alarm module, the present invention is scientific and reasonable, it is safe and convenient to use, the real time temperature in the wall current course of work is detected using temperature sensor, real-time timing is carried out to the duration that wall current works using timer, it is calculated in the operating condition using formula, the rate that wall hanging power source temperature rises in unit time, the trend and percentage number that wall hanging power source temperature rises in future time are calculated further according to temperature rate-of-rise, effectively the temperature change in wall current future time section is judged, cooperate alarm module, it can effectively prevent wall current and enter hot operation state, extend the service life of wall current, together When, the bring threat that works under wall current hot environment is avoided, so that the use of wall current is more safe and reliable.
Description
Technical field
The present invention relates to technical field of electricity, specifically a kind of detection prevention system and method for wall current.
Background technique
Wall current aims at low capacity system and designs, and switchette station, small user substation, system is suitble to use one
Body design philosophy is made of rectification module, monitoring module, pressure unit, power distribution unit and battery installs case, has volume
Small, structure is simple, independent the features such as constituting system, and monitoring module show using LCD menu Chinese character, certainly to system monitoring and battery
Dynamicization management function is perfect, has and connect four distant interfaces with automated system, provides RS232 and RS485 two kinds of communication interface choosings
It selects, provides RTU, CDT, MODBUS tri- kinds of communication protocol selections, existing wall current has the disadvantage in that existing when in use
If wall current work long hours, the temperature of wall current can be increased due to load appliance and constantly, also,
In the case where electric current is not above rated current, it can not judge that the temperature of wall current is whether to surpass in following period
The operating temperature range of wall current is crossed, so that wall current can damage in the unwitting situation of user, also, wall current
It works under the condition of high temperature for a long time, can also reduce the service life of wall current, so, people are badly in need of a kind of for wall hanging
The detection prevention system of power supply and method solve the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of detection prevention systems and method for wall current, to solve existing skill
Itd is proposed in art the problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of detection prevention system for wall current,
The detection prevention system includes system control module, detection module, input module, executing agency and alarm module；
The output end of the detection module and input module is electrically connected with the input terminal of system control module, the execution
The input terminal of mechanism and alarm module is electrically connected with the output end of system control module.
As optimal technical scheme, the system control module includes PLC controller, memory, data analysis and comparison
Submodule and timer；
The data analysis is electrically connected with the input terminal of PLC with the output end of comparison submodule and timer, the number
It is electrically connected with the input terminal of comparison submodule with the output end of memory according to analysis, the input terminal and PLC of the memory control
The output end of device is electrically connected；
The PLC controller is used for the control of whole system and the calculating of data, and the memory is entire for storing
The parameter of default, the data and system default parameter that the data analysis is used to acquire in real time with comparison submodule carry out
Analysis and comparison, and analysis and comparing result are transmitted to PLC controller, when the timer is used for the use to wall current
Between carry out timing.
As optimal technical scheme, the detection module includes temperature sensor, humidity sensor and dust sensor；
The output end of the temperature sensor, humidity sensor and dust sensor is analyzed with data and compares submodule
Input terminal electrical connection；
The temperature sensor is in real time detecting the temperature of wall current, and cooperation timer uses, based on
The rate that the temperature of wall current rises is calculated, for predicting that the working condition in wall current connect circuit future, the humidity pass
For detecting to the humidity inside wall current case, the dust sensor is used for the ash inside wall current case sensor
Dust concentration is detected.
As optimal technical scheme, the executing agency includes axial flow blower and breaker；
The input terminal of the axial flow blower and breaker is electrically connected with the output end of PLC controller；
The breaker accesses wall current institute in circuit, for carrying out to circuit where the wall current after prediction
Power-off protection, the axial flow blower are used for being cooled down inside wall current case, dehumidified and dedusting.
As optimal technical scheme, the alarm module includes warning lamp and buzzer；
The input terminal of the warning lamp and buzzer is electrically connected with the output end of PLC controller；
It is dense that the warning lamp and buzzer contribute to temperature inside call user's attention wall current, humidity and dust
Degree carries out cooling, dehumidifying and dedusting work inside wall current case.
As optimal technical scheme, the input module includes Fingerprint Identification Unit and input keyboard；
The input terminal that submodule was analyzed with data and compared to the Fingerprint Identification Unit and the output end of input keyboard is electrically connected
It connects；
The identity information for the operator that the Fingerprint Identification Unit for identification operates detection prevention system, it is described
Input keyboard is used to set the parameter of detection prevention system.
A kind of detection prevention method for wall current, method includes the following steps:
S1, it is set using parameters of the input module to detection prevention system；
S2, all data in itself and environment in the wall current course of work is acquired using detection module；
S3, parameters collected are compared and is calculated using system control module, after wall current
Service condition is predicted；
S4, it is worked using system control module control executing agency, the working environment of wall current is improved
And protection；
S5, alert notice is carried out using system control module control alarm module, informs that user pays attention to the fortune of wall current
Row state.
As optimal technical scheme, in the step S1, carried out using identity information of the Fingerprint Identification Unit to operator
Verifying and identification, when the fingerprint that the Fingerprint Identification Unit is identified and the consistent fingerprint stored in memory, operator
System can be operated, rise percentage parameter S, humidity parameter P using temperature of the input keyboard to detection prevention system
It is set with dust concentration parameter W.
As optimal technical scheme, in the step S2-S3, using humidity sensor to the humidity inside wall current case
P is detected, and be will test data and be transmitted to data analysis and comparison submodule, using dust sensor in wall current case
The dust concentration W in portion is detected, and be will test data and be transmitted to data analysis and comparison submodule, and temperature sensor pair is utilized
The real time temperature H of wall current is detected, and be will test data and be transmitted to data analysis and comparison submodule, and timer is utilized
Timing is carried out to the operating time T of wall current, sets rate that wall current rises within the unit time as Y, according to formula:
Calculate climbing speed of the wall current temperature within the unit time, wherein
YnIndicate the climbing speed of wall hanging power source temperature in a period, YnUnit be DEG C/min；
HnIndicate the temperature of the wall current at a time point；
H(n-1)It indicates in HnThe temperature of wall current when previous time point；
TnIndicate that in wall current temperature be HnWhen wall current work duration；
T(n-1)Indicate that in wall current temperature be H(n-1)When wall current work duration.
According to formula:
The temperature for calculating wall current rises percentage, according to calculated percentage size to next stage wall hanging electricity
The temperature rise in source is predicted, wherein
S indicates the wall current percentage parameter that temperature rises within the unit time；
YnIt indicates in TnTo T(n-1)The rate that wall hanging power source temperature rises in period；
Y(n-1)It indicates in T(n-1)To T(n-2)The rate that wall hanging power source temperature rises in period.
As S >=115%, predicting wall current in following operating temperature drop is more than that it appraises and decides operating temperature, wall hanging
Power supply can not work on；
As 105%≤S < 115%, wall current is predicted in the case where working long hours, and operating temperature can be more than
It appraises and decides operating temperature, and wall current can not devote oneself to work for a long time；
As S < 105%, it is smaller to predict wall current temperature rise in the case where working long hours, operating temperature
It is not exceeded in a short time and appraises and decides operating temperature, and wall current can devote oneself to work for a long time.
As optimal technical scheme, in the step S4-S5, humidity P and dust concentration W inside wall current case appoint
When one item data is more than given threshold, PLC controller control axial flow blower rotation, to leading to inside wall current case
Wind, meanwhile, to being dusted inside wall current case, when S >=115%, the PLC controller controls circuit breaker trip circuit,
Meanwhile warning lamp and buzzer work are controlled, and the working condition of call user's attention wall current, when 105%≤S < 115%,
The PLC controller control warning lamp and buzzer work, the working condition of call user's attention wall current, reduce wall hanging electricity
Source load, when S < 105%, wall current can normally come into operation.
Compared with prior art, the beneficial effects of the present invention are:
1, the real time temperature in the wall current course of work is detected using temperature sensor, using timer to wall
The duration for hanging power work carries out real-time timing, is calculated in the operating condition using formula, wall current in the unit time
The rate that temperature rises calculates wall hanging power source temperature in future time further according to the speedometer that temperature in the unit time rises and rises
Trend and percentage number, effectively the temperature change in wall current future time section can be judged, cooperation warning
Module can effectively prevent wall current and enter hot operation state, effectively extends the service life of wall current, together
When, the bring threat that works under wall current hot environment is effectively avoided, so that the use of wall current is more safe
Reliably.
2, using humidity sensor and dust sensor, the humidity and dust inside wall current case be can effectively prevent
Short circuit phenomenon caused by excessive concentration avoids damaging load appliance, and can effectively extend wall current uses the longevity
Life.
Detailed description of the invention
Fig. 1 is a kind of structure connection diagram of the detection prevention system for wall current of the present invention；
Fig. 2 is a kind of composed structure schematic diagram of the detection prevention system for wall current of the present invention；
Fig. 3 is a kind of step schematic diagram of the detection prevention method for wall current of the present invention；
Fig. 4 is a kind of flowage structure schematic diagram of the detection prevention method for wall current of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figs. 1-2, a kind of detection prevention system for wall current, the detection prevention system include system control
Module, detection module, input module, executing agency and alarm module；
The output end of detection module and input module is electrically connected with the input terminal of system control module, executing agency and police
Show that the input terminal of module is electrically connected with the output end of system control module.
According to the above technical scheme, system control module includes PLC controller, memory, data analysis and comparison submodule
Block and timer；
Data analysis be electrically connected with the input terminal of PLC with comparison submodule and the output end of timer, data analyze and
The input terminal of comparison submodule is electrically connected with the output end of memory, the input terminal of memory and the output end electricity of PLC controller
Connection；
PLC controller is used for the control of whole system and the calculating of data, and memory is for storing whole system setting
Parameter, data analysis with comparison submodule for the data acquired in real time to be analyzed and are compared with system default parameter,
And analysis and comparing result are transmitted to PLC controller, timer is used to carry out timing using the time to wall current.
According to the above technical scheme, detection module includes temperature sensor, humidity sensor and dust sensor；
The output end of temperature sensor, humidity sensor and dust sensor is analyzed with data defeated with comparison submodule
Enter end electrical connection；
Temperature sensor is in real time detecting the temperature of wall current, and cooperation timer uses, for calculating wall
The rate that the temperature of power supply rises is hung, for predicting the working condition in wall current connect circuit future, humidity sensor is used for
Humidity inside wall current case is detected, dust sensor is for examining the dust concentration inside wall current case
It surveys.
According to the above technical scheme, executing agency includes axial flow blower and breaker；
The input terminal of axial flow blower and breaker is electrically connected with the output end of PLC controller；
Breaker accesses wall current institute in circuit, for powering off to circuit where the wall current after prediction
Protection, axial flow blower are used for being cooled down inside wall current case, dehumidified and dedusting.
According to the above technical scheme, alarm module includes warning lamp and buzzer；
The input terminal of warning lamp and buzzer is electrically connected with the output end of PLC controller；
Warning lamp and buzzer contribute to temperature, humidity and dust concentration inside call user's attention wall current,
Carry out cooling, dehumidifying and the dedusting work inside wall current case.
According to the above technical scheme, input module includes Fingerprint Identification Unit and input keyboard；
The input terminal that submodule was analyzed with data and compared to Fingerprint Identification Unit and the output end of input keyboard is electrically connected；
The identity information for the operator that Fingerprint Identification Unit for identification operates detection prevention system, input keyboard
It is set for the parameter to detection prevention system.
As shown in Figure 3-4, a kind of detection prevention method for wall current, method includes the following steps:
S1, it is set using parameters of the input module to detection prevention system；
S2, all data in itself and environment in the wall current course of work is acquired using detection module；
S3, parameters collected are compared and is calculated using system control module, after wall current
Service condition is predicted；
S4, it is worked using system control module control executing agency, the working environment of wall current is improved
And protection；
S5, alert notice is carried out using system control module control alarm module, informs that user pays attention to the fortune of wall current
Row state.
According to the above technical scheme, it in step S1, is verified using identity information of the Fingerprint Identification Unit to operator
And when identification, the fingerprint that Fingerprint Identification Unit is identified and the consistent fingerprint stored in memory, operator can be to being
System is operated, and it is dense to rise percentage parameter S, humidity parameter P and dust using temperature of the input keyboard to detection prevention system
Degree parameter W is set.
According to the above technical scheme, in step S2-S3, using humidity sensor to the humidity P inside wall current case into
Row detection, and will test data be transmitted to data analysis with comparison submodule, using dust sensor to wall current case inside
Dust concentration W detected, and will test data be transmitted to data analysis with comparison submodule, using temperature sensor to wall
The real time temperature H for hanging power supply is detected, and be will test data and be transmitted to data analysis and comparison submodule, and timer pair is utilized
The operating time T of wall current carries out timing, sets rate that wall current rises within the unit time as Y, according to formula:
Calculate climbing speed of the wall current temperature within the unit time, wherein
YnIndicate the climbing speed of wall hanging power source temperature in a period, YnUnit be DEG C/min；
HnIndicate the temperature of the wall current at a time point；
H(n-1)It indicates in HnThe temperature of wall current when previous time point；
TnIndicate that in wall current temperature be HnWhen wall current work duration；
T(n-1)Indicate that in wall current temperature be H(n-1)When wall current work duration.
According to formula:
The temperature for calculating wall current rises percentage, according to calculated percentage size to next stage wall hanging electricity
The temperature rise in source is predicted, wherein
S indicates the wall current percentage parameter that temperature rises within the unit time；
YnIt indicates in TnTo T(n-1)The rate that wall hanging power source temperature rises in period；
Y(n-1)It indicates in T(n-1)To T(n-2)The rate that wall hanging power source temperature rises in period.
As S >=115%, predicting wall current in following operating temperature drop is more than that it appraises and decides operating temperature, wall hanging
Power supply can not work on；
As 105%≤S < 115%, wall current is predicted in the case where working long hours, and operating temperature can be more than
It appraises and decides operating temperature, and wall current can not devote oneself to work for a long time；
As S < 105%, it is smaller to predict wall current temperature rise in the case where working long hours, operating temperature
It is not exceeded in a short time and appraises and decides operating temperature, and wall current can devote oneself to work for a long time.
According to the above technical scheme, in step S4-S5, any one of humidity P and dust concentration W inside wall current case
When data are more than given threshold, PLC controller controls axial flow blower rotation, to being aerated inside wall current case, meanwhile, it is right
It is dusted inside wall current case, when S >=115%, PLC controller controls circuit breaker trip circuit, meanwhile, control warning lamp
It works with buzzer, the working condition of call user's attention wall current, as 105%≤S < 115%, PLC controller control police
Show lamp and buzzer work, the working condition of call user's attention wall current reduces wall current load, when S < 105%, wall
Hanging power supply can normally come into operation.
Embodiment 1: qualifications, humidity P are less than given threshold 30%RH, and dust concentration is less than given threshold 5mg/m3,
The temperature of temperature sensor wall current collected is respectively 21 DEG C, 21.31 DEG C, 21.52 DEG C and 21.74 DEG C, timer pair
The timing time answered is respectively 3min, 6min, 9min and 12min；
According to formulaCalculate Y1=0.07 DEG C/min, Y2=0.073 DEG C/min, according to formulaS=104.76% is calculated, less than the threshold value 105% of setting, predicts wall current when long
Between work in the case where temperature rise it is smaller, operating temperature does not exceed it in a short time and appraises and decides operating temperature, wall hanging electricity
Source can devote oneself to work for a long time.
Embodiment 2: qualifications, humidity P are greater than given threshold 30%RH, and dust concentration is less than given threshold 5mg/m3,
The temperature of temperature sensor wall current collected is respectively 21 DEG C, 21.31 DEG C, 21.52 DEG C and 21.74 DEG C, timer pair
The timing time answered is respectively 3min, 6min, 9min and 12min；
According to formulaCalculate Y1=0.07 DEG C/min, Y2=0.073 DEG C/min, according to formulaS=104.76% is calculated, less than the threshold value 105% of setting, predicts wall current when long
Between work in the case where temperature rise it is smaller, operating temperature does not exceed it in a short time and appraises and decides operating temperature, but wall hanging
Power supply box interior humidity is higher, controls axial flow blower by PLC controller and powers on, to leading to inside wall current case
Wind reduces the humidity inside wall current case.
Embodiment 3: qualifications, humidity P are less than given threshold 30%RH, and dust concentration is greater than given threshold 5mg/m3,
The temperature of temperature sensor wall current collected is respectively 21 DEG C, 21.31 DEG C, 21.52 DEG C and 21.74 DEG C, timer pair
The timing time answered is respectively 3min, 6min, 9min and 12min；
According to formulaCalculate Y1=0.07 DEG C/min, Y2=0.073 DEG C/min, according to formulaS=104.76% is calculated, less than the threshold value 105% of setting, predicts wall current when long
Between work in the case where temperature rise it is smaller, operating temperature does not exceed it in a short time and appraises and decides operating temperature, but wall hanging
Power supply box internal dust concentration is higher, controls axial flow blower by PLC controller and powers on, to progress inside wall current case
Ventilation reduces the dust concentration inside wall current case.
Embodiment 4: qualifications, humidity P are less than given threshold 30%RH, and dust concentration is less than given threshold 5mg/m3,
The temperature of temperature sensor wall current collected is respectively 21 DEG C, 21.31 DEG C, 21.52 DEG C and 21.76 DEG C, timer pair
The timing time answered is respectively 3min, 6min, 9min and 12min；
According to formulaCalculate Y1=0.07 DEG C/min, Y2=0.08 DEG C/min, according to formulaS=114.29% is calculated, the threshold value 105% more than or equal to setting is predicted less than 115%
Wall current temperature rise in the case where working long hours is higher, and operating temperature can be more than that it appraises and decides work in a long time
Temperature, at this point, controlling warning lamp by PLC controller connects circuit, the work of call user's attention wall current with buzzer
State.
Embodiment 5: qualifications, humidity P are less than given threshold 30%RH, and dust concentration is less than given threshold 5mg/m3,
The temperature of temperature sensor wall current collected is respectively 21 DEG C, 21.31 DEG C, 21.52 DEG C and 21.8 DEG C, and timer is corresponding
Timing time be respectively 3min, 6min, 9min and 12min；
According to formulaCalculate Y1=0.07 DEG C/min, Y2=0.094 DEG C/min, according to formulaS=133.3% is calculated, more than or equal to the threshold value 115% of setting, wall current is predicted and exists
Temperature rise is higher in the case that short time works, and operating temperature can appraise and decide operating temperature more than it in a short time, at this point,
Warning lamp, which is controlled, by PLC controller connects circuit with buzzer, the working condition of call user's attention wall current, meanwhile,
Breaker is controlled by PLC controller, and power-off protection is carried out to entire circuit.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (10)
1. a kind of detection prevention system for wall current, which is characterized in that the detection prevention system includes system control mould
Block, detection module, input module, executing agency and alarm module；
The output end of the detection module and input module is electrically connected with the input terminal of system control module, the executing agency
It is electrically connected with the output end of system control module with the input terminal of alarm module.
2. a kind of detection prevention system for wall current according to claim 1, it is characterised in that: the system control
Molding block includes PLC controller, memory, data analysis and comparison submodule and timer；
The data analysis is electrically connected with the input terminal of PLC with the output end of comparison submodule and timer, the data point
Analysis is electrically connected with the input terminal for comparing submodule with the output end of memory, the input terminal of the memory and PLC controller
Output end electrical connection；
The PLC controller is used for the control of whole system and the calculating of data, and the memory is for storing whole system
The parameter of setting, the data analysis are used to analyze the data acquired in real time with system default parameter with comparison submodule
And comparison, and analysis and comparing result are transmitted to PLC controller, the timer be used for wall current using the time into
Row timing.
3. a kind of detection prevention system for wall current according to claim 1, it is characterised in that: the detection mould
Block includes temperature sensor, humidity sensor and dust sensor；
The output end of the temperature sensor, humidity sensor and dust sensor is analyzed with data defeated with comparison submodule
Enter end electrical connection；
The temperature sensor is in real time detecting the temperature of wall current, and cooperation timer uses, for calculating wall
The rate that the temperature of power supply rises is hung, for predicting the working condition in wall current connect circuit future, the humidity sensor
For detecting to the humidity inside wall current case, the dust sensor is for dense to the dust inside wall current case
Degree is detected.
4. a kind of detection prevention system for wall current according to claim 1, it is characterised in that: the execution machine
Structure includes axial flow blower and breaker；
The input terminal of the axial flow blower and breaker is electrically connected with the output end of PLC controller；
The breaker accesses wall current institute in circuit, for powering off to circuit where the wall current after prediction
Protection, the axial flow blower are used for being cooled down inside wall current case, dehumidified and dedusting.
5. a kind of detection prevention system for wall current according to claim 1, it is characterised in that: the warning mould
Block includes warning lamp and buzzer；
The input terminal of the warning lamp and buzzer is electrically connected with the output end of PLC controller；
The warning lamp and buzzer contribute to temperature, humidity and dust concentration inside call user's attention wall current,
Carry out cooling, dehumidifying and the dedusting work inside wall current case.
6. a kind of detection prevention system for wall current according to claim 1, it is characterised in that: the input mould
Block includes Fingerprint Identification Unit and input keyboard；
The input terminal that submodule was analyzed with data and compared to the Fingerprint Identification Unit and the output end of input keyboard is electrically connected；
The identity information for the operator that the Fingerprint Identification Unit for identification operates detection prevention system, the input
Keyboard is used to set the parameter of detection prevention system.
7. a kind of detection prevention method for wall current, which is characterized in that method includes the following steps:
S1, it is set using parameters of the input module to detection prevention system；
S2, all data in itself and environment in the wall current course of work is acquired using detection module；
S3, parameters collected are compared and is calculated using system control module, to the use after wall current
Situation is predicted；
S4, it is worked using system control module control executing agency, the working environment of wall current is improved and protected
Shield；
S5, alert notice is carried out using system control module control alarm module, informs that user pays attention to the operation shape of wall current
State.
8. a kind of detection prevention method for wall current according to claim 7, it is characterised in that: the step S1
In, it verifies and identifies using identity information of the Fingerprint Identification Unit to operator, the finger that the Fingerprint Identification Unit is identified
When the fingerprint stored in line and memory is consistent, operator can operate system, using input keyboard to inspection
The temperature for surveying prevention system rises percentage parameter S, humidity parameter P and dust concentration parameter W and is set.
9. a kind of detection prevention method for wall current according to claim 7, it is characterised in that: the step
In S2-S3, the humidity P inside wall current case is detected using humidity sensor, and will test data and be transmitted to data
Analysis and comparison submodule, detect the dust concentration W inside wall current case using dust sensor, and will test number
It according to data analysis and comparison submodule is transmitted to, is detected using real time temperature H of the temperature sensor to wall current, and will
Detection data is transmitted to data analysis and comparison submodule, carries out timing using operating time T of the timer to wall current, if
Determining the rate that wall current rises within the unit time is Y, according to formula:
Calculate climbing speed of the wall current temperature within the unit time, wherein
YnIndicate the climbing speed of wall hanging power source temperature in a period, YnUnit be DEG C/min；
HnIndicate the temperature of the wall current at a time point；
H(n-1)It indicates in HnThe temperature of wall current when previous time point；
TnIndicate that in wall current temperature be HnWhen wall current work duration；
T(n-1)Indicate that in wall current temperature be H(n-1)When wall current work duration.
According to formula:
The temperature for calculating wall current rises percentage, according to calculated percentage size to next stage wall current
Temperature rise is predicted, wherein
S indicates the wall current percentage parameter that temperature rises within the unit time；
YnIt indicates in TnTo T(n-1)The rate that wall hanging power source temperature rises in period；
Y(n-1)It indicates in T(n-1)To T(n-2)The rate that wall hanging power source temperature rises in period.
As S >=115%, predicting wall current in following operating temperature drop is more than that it appraises and decides operating temperature, wall current
It can not work on；
As 105%≤S < 115%, wall current is predicted in the case where working long hours, and operating temperature can be more than its core
Determine operating temperature, wall current can not devote oneself to work for a long time；
As S < 105%, predict that wall current temperature rise in the case where working long hours is smaller, and operating temperature is short
It is not exceeded in time and appraises and decides operating temperature, and wall current can devote oneself to work for a long time.
10. a kind of detection prevention method for wall current according to claim 7, it is characterised in that: the step
In S4-S5, when humidity P and any item data of dust concentration W inside wall current case are more than given threshold, the PLC control
Device processed control axial flow blower rotation, to being aerated inside wall current case, meanwhile, to being dusted inside wall current case,
When S >=115%, the PLC controller controls circuit breaker trip circuit, meanwhile, warning lamp and buzzer work are controlled, reminds and uses
Family pays attention to the working condition of wall current, when 105%≤S < 115%, the PLC controller control warning lamp and buzzer work
Make, the working condition of call user's attention wall current, reduces wall current load, when S < 105%, wall current can be normal
Come into operation.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110838756A (en) * | 2019-11-04 | 2020-02-25 | 成都仙德科技有限公司 | Automatic power supply switching method for portable sound energy air conditioner |
| CN114235041A (en) * | 2021-12-09 | 2022-03-25 | 中科国微科技(深圳)有限公司 | Method, device and equipment for detecting environment of direct current stabilized power supply and storage medium |
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2019
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110838756A (en) * | 2019-11-04 | 2020-02-25 | 成都仙德科技有限公司 | Automatic power supply switching method for portable sound energy air conditioner |
| CN114235041A (en) * | 2021-12-09 | 2022-03-25 | 中科国微科技(深圳)有限公司 | Method, device and equipment for detecting environment of direct current stabilized power supply and storage medium |
| CN114235041B (en) * | 2021-12-09 | 2024-05-03 | 中科国微科技(深圳)有限公司 | DC stabilized power supply environment detection method, device, equipment and storage medium |
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Application publication date: 20190823 |