CN114336516A - Control method and system of intelligent air switch - Google Patents
Control method and system of intelligent air switch Download PDFInfo
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- CN114336516A CN114336516A CN202111609260.5A CN202111609260A CN114336516A CN 114336516 A CN114336516 A CN 114336516A CN 202111609260 A CN202111609260 A CN 202111609260A CN 114336516 A CN114336516 A CN 114336516A
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Abstract
The invention discloses a control method and a system of an intelligent air switch, wherein the control method comprises the following steps: step S10, monitoring the circuit in real time to obtain the voltage change condition in the circuit; step S11, when the voltage in the circuit is detected to be abnormal, the type of the abnormal voltage is judged; step S12, according to the type of the abnormal condition, the distribution condition of the voltage in the circuit is adjusted by controlling the power-on and power-off states of one or more intelligent air switches; and step S13, storing the acquired voltage value change condition and uploading the voltage value change condition to a database. The invention can regulate and control the power-on and power-off conditions of a plurality of air switches in the circuit, so that part of electric appliances can still work normally, and when the voltage abnormal condition occurs in the circuit, the voltage abnormal condition is sent to the monitoring end and the maintenance end in time, so that the abnormal condition in the circuit can be informed to related working personnel in time, and the circuit and the electric appliances can be monitored and maintained at the first time.
Description
Technical Field
The invention belongs to the technical field of power equipment, and particularly relates to a control method and a control system of an intelligent air switch.
Background
An air switch, also known as an air circuit breaker, is a switch which can be automatically switched off as long as the current in the circuit exceeds the rated current, and when the current in the circuit generates an overvoltage or undervoltage state, the power is automatically switched off, so that the electric appliance in use is protected, and the damage of the electric appliance is avoided. It integrates control and multiple protection functions. Besides the contact and the disconnection of the circuit, the protection device can also protect the short circuit, serious overload, undervoltage and the like of the circuit or electrical equipment. Air switches are typically deployed at home electricity meters or by electrical distribution boxes in the corridor.
To the promotion of modern demand, can't satisfy the demand to the power consumption safety in the daily life gradually in the function of traditional air switch, traditional air switch only possesses the protection to circuit excessive pressure or undervoltage, and is limited to the electrical apparatus guard action of connecting in circuit and the circuit, can not be fine carry out reasonable distribution with the voltage in the circuit when excessive pressure or undervoltage to can not take notes to the condition that takes place in the circuit, can not in time inform the user with the unexpected situation of circuit.
Disclosure of Invention
The invention aims to solve the technical problem of providing a control method and a control system of an intelligent air switch so as to realize reasonable distribution of voltage in a circuit when overvoltage or undervoltage occurs.
In order to solve the technical problem, the invention provides a control method of an intelligent air switch, which comprises the following steps:
step S10, monitoring the circuit in real time to obtain the voltage change condition in the circuit;
step S11, when the voltage in the circuit is detected to be abnormal, the type of the abnormal voltage is judged;
step S12, according to the type of the abnormal condition, the distribution condition of the voltage in the circuit is adjusted by controlling the power-on and power-off states of one or more intelligent air switches;
and step S13, storing the acquired voltage value change condition and uploading the voltage value change condition to a database.
Further, the step S11 specifically includes:
step S110, extracting a voltage value in the circuit at each preset fixed time period, and continuously recording the voltage value;
step S111, calculating fluctuation conditions of a plurality of voltages before the current time point;
step S112, when the fluctuation of a plurality of voltages is irregular, sending a voltage instability message to the monitoring terminal to remind the monitoring terminal to timely close the sensitive electric appliance;
step S113, when the voltage value exceeds a preset high value and a plurality of voltages are in a rising state all the time, judging that the current abnormal state is an overlarge voltage, and calculating the growth rates of the plurality of voltages;
step S114, predicting the time point when the voltage exceeds the electric appliance bearing critical value according to the increase rate;
step S115, sending the time point and the early warning information to a monitoring end to remind the monitoring end of closing the damaged electric appliance before the time point; the early warning information comprises the coding information of the air switch with the voltage abnormal condition and the judged voltage abnormal condition type.
Further, after the step S110, the method further includes:
step S30, when the voltage value is smaller than the preset low value and the plurality of voltages are in a descending state all the time, judging that the current abnormal state is the voltage too small, and calculating the descending rate of the plurality of voltages;
step S31, according to the descending rate, predicting the time point when the voltage is lower than the lowest low voltage of the electric appliance;
and step S32, sending the time point and the early warning information to the monitoring terminal, and reminding the monitoring terminal to adjust and close the electric appliance which is difficult to maintain to operate in advance before the time point.
Further, the step S12 specifically includes:
step S40, according to the growth rate, calculating the predicted value to which the voltage will grow in the specified predicted time according to the current growth rate;
step S41, calculating the difference between the predicted value and the preset high value;
step S42, picking up the voltage division capability value of each non-working electric appliance;
step S43, locating the voltage dividing capacity value closest to the difference value;
and step S44, controlling an air switch of a circuit where the electric appliance is located corresponding to the partial pressure capacity value to be opened according to the positioned partial pressure capacity value.
Further, the step S12 specifically includes:
step S45, calculating a predicted value to which the voltage will drop according to the current drop rate within a predetermined time according to the drop rate; calculating a difference value between the predicted value and a preset low value;
step S46, picking up the voltage division capability value of each electric appliance in the current working state and the working importance level of the electric appliance;
step S47, locating the electric appliance partial pressure capacity value which is closest to the difference value in a plurality of electric appliances with the lowest current importance level;
and step S48, according to the positioned partial pressure capacity value, controlling the air switch in the circuit of the electric appliance corresponding to the partial pressure capacity value to be switched off.
Further, the step S13 specifically includes:
step S20, encoding a plurality of air switches; the code is pasted on the air switch;
and step S21, when the voltage value change condition of the circuit where each air switch is located is monitored and stored, storing the data of the code and the voltage value change condition in a one-to-one correspondence manner.
Further, the control method further includes:
step S14, sending the voltage abnormal condition to the monitoring terminal, and sending the information of the regulation and control action to be executed aiming at the abnormal condition to the monitoring terminal;
and step S15, when the emergency solution corresponding to the voltage abnormal condition relates to maintenance information, sending the maintenance information and the voltage abnormal condition to a maintenance terminal.
Further, the step S11 specifically includes:
step S60, when the shell of the air switch is detected to be electrified, the electrified leakage voltage on the shell is measured and extracted;
step S61, when the leakage voltage exceeds the safe voltage, sending leakage reminding information to the monitoring terminal and controlling the air switch to be switched off;
and step S62, sending the coded information of the leakage air switch to the maintenance end, and sending the maintenance time limit specified by the monitoring end to the maintenance end.
Further, the control method further includes:
step S70, acquiring timing setting information sent by the mobile terminal, and switching the working state of the air switch at regular time;
step S71, counting down the working time of the air switch according to the timing setting information;
step S72, when the countdown remaining time reaches the reminding time, sending confirmation information to the mobile terminal;
step S73, when the countdown cancellation information fed back by the mobile terminal is received, the countdown switching command of the air switch is cancelled;
step S74, when the countdown cancellation information fed back by the mobile terminal is not received, counting down continues;
and step S75, controlling the air switch to switch the working state between open and closed when the working time reaches the time length specified in the timing setting information.
The invention also provides a control system of the intelligent air switch, which is used for implementing the control method and comprises the following steps:
the monitoring module is used for monitoring the circuit in real time to obtain the voltage change condition in the circuit;
the analysis module is used for judging the type of the voltage abnormal condition when the voltage in the circuit is monitored to be abnormal;
the control module is used for adjusting the distribution condition of voltage in the circuit by controlling the power-on and power-off states of one or more intelligent air switches according to the types of the abnormal conditions;
and the storage module is used for storing the acquired voltage value change condition and uploading the voltage value change condition to a database.
The implementation of the invention has the following beneficial effects: the protection of the traditional air switch on the overvoltage or undervoltage condition of the circuit can be realized, and the power on-off conditions of a plurality of air switches in the circuit can be regulated and controlled under the overvoltage or undervoltage condition, so that part of electric appliances can still work normally, a certain production working capacity is maintained, and all the electric appliances are not required to be powered off; the acquired voltage value change condition is stored and uploaded to a database; when a voltage abnormal condition occurs in the circuit, the voltage abnormal condition is sent to the monitoring end in time, and meanwhile, the information of the regulation and control action to be executed aiming at the abnormal condition is sent to the monitoring end; when maintenance information is related to the emergency solution corresponding to the voltage abnormal condition, the maintenance information and the voltage abnormal condition are sent to a maintenance end; the abnormal condition in the circuit can be timely notified to related workers, so that the circuit and the electric appliance can be monitored and maintained at the first time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a control method of an intelligent air switch according to an embodiment of the present invention.
Fig. 2 is a schematic analysis flow chart according to a first embodiment of the present invention.
Fig. 3 is a schematic diagram of a regulation flow in the first embodiment of the present invention.
Fig. 4 is a timing flow diagram according to a first embodiment of the invention.
Fig. 5 is a functional block diagram of a control system of an intelligent air switch according to a second embodiment of the present invention.
Detailed Description
The following description of the embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments in which the invention may be practiced.
Referring to fig. 1, a method for controlling an intelligent air switch according to an embodiment of the present invention includes:
step S10, monitoring the circuit in real time to obtain the voltage change condition in the circuit;
step S11, when the voltage in the circuit is detected to be abnormal, the type of the abnormal voltage is judged;
step S12, according to the type of the abnormal condition, the distribution condition of the voltage in the circuit is adjusted by controlling the power-on and power-off states of one or more intelligent air switches;
and step S13, storing the acquired voltage value change condition and uploading the voltage value change condition to a database.
Specifically, referring to fig. 2, step S11 specifically includes:
step S110, extracting a voltage value in the circuit at each preset fixed time period, and continuously recording the voltage value;
setting the voltage extraction interval period, which can vary, enables the circuit to be monitored while reducing the number of samples.
Step S111, calculating fluctuation conditions of a plurality of voltages before the current time point;
step S112, when the fluctuation of a plurality of voltages is irregular, sending a voltage instability message to the monitoring terminal to remind the monitoring terminal to timely close the sensitive electric appliance;
because some sensitive appliances have a small tolerance range for voltage fluctuation, the voltage fluctuation will cause the burning of the appliances, and the appliances need to be monitored specially.
Step S113, when the voltage value exceeds a preset high value and a plurality of voltages are in a rising state all the time, judging that the current abnormal state is an overlarge voltage, and calculating the growth rates of the plurality of voltages;
step S114, predicting the time point when the voltage exceeds the electric appliance bearing critical value according to the increase rate;
step S115, sending the time point and the early warning information to a monitoring end to remind the monitoring end of closing the damaged electric appliance before the time point; the early warning information comprises the coding information of the air switch with the voltage abnormal condition and the judged voltage abnormal condition type.
It is understood that, in the present embodiment, the abnormal conditions include an excessive voltage, an insufficient voltage, a severe voltage fluctuation, and a leakage.
Further, in one case of the present embodiment, after the step S110, the method further includes:
step S30, when the voltage value is smaller than the preset low value and the plurality of voltages are in a descending state all the time, judging that the current abnormal state is the voltage too small, and calculating the descending rate of the plurality of voltages;
step S31, according to the descending rate, predicting the time point when the voltage is lower than the lowest low voltage of the electric appliance;
and step S32, sending the time point and the early warning information to the monitoring terminal, and reminding the monitoring terminal to adjust and close the electric appliance which is difficult to maintain to operate in advance before the time point.
As shown in fig. 3, step S12 specifically includes:
step S40, according to the growth rate, calculating the predicted value to which the voltage will grow in the specified predicted time according to the current growth rate;
step S41, calculating the difference between the predicted value and the preset high value;
step S42, picking up the voltage division capability value of each non-working electric appliance;
step S43, locating the voltage dividing capacity value closest to the difference value;
and step S44, controlling an air switch of a circuit where the electric appliance is located corresponding to the partial pressure capacity value to be opened according to the positioned partial pressure capacity value.
In one case of this embodiment, step S12 specifically includes:
step S45, calculating a predicted value to which the voltage will drop according to the current drop rate within a predetermined time according to the drop rate; calculating a difference value between the predicted value and a preset low value;
step S46, picking up the voltage division capability value of each electric appliance in the current working state and the working importance level of the electric appliance;
step S47, locating the electric appliance partial pressure capacity value which is closest to the difference value in a plurality of electric appliances with the lowest current importance level;
and step S48, according to the positioned partial pressure capacity value, controlling the air switch in the circuit of the electric appliance corresponding to the partial pressure capacity value to be switched off.
In one case of this embodiment, step S13 specifically includes:
step S20, encoding a plurality of air switches; the code is pasted on the air switch;
and step S21, when the voltage value change condition of the circuit where each air switch is located is monitored and stored, storing the data of the code and the voltage value change condition in a one-to-one correspondence manner.
In order to facilitate the handling of the abnormal condition, the present embodiment further includes:
and step S14, sending the voltage abnormal condition to the monitoring terminal, and sending the information of the regulating action to be executed aiming at the abnormal condition to the monitoring terminal.
The regulation and control action information is derived from an emergency solution which is stored in a database in advance, and the emergency solution comprises a voltage abnormal condition and regulation and control action information which is correspondingly executed when the voltage abnormal condition occurs.
And step S15, when the emergency solution corresponding to the voltage abnormal condition relates to maintenance information, sending the maintenance information and the voltage abnormal condition to a maintenance terminal.
The maintenance information is used for reminding the maintenance end to timely carry out on-site maintenance, corresponding to a required maintenance tool during maintenance and an electric appliance name required to be replaced, so that the abnormal condition in the circuit can be timely notified to relevant workers, and the circuit and the electric appliance can be monitored and maintained in the first time.
In one case of this embodiment, step S11 specifically includes:
step S60, when the shell of the air switch is detected to be electrified, the electrified leakage voltage on the shell is measured and extracted;
step S61, when the leakage voltage exceeds the safe voltage, sending leakage reminding information to the monitoring terminal and controlling the air switch to be switched off;
and step S62, sending the coded information of the leakage air switch to the maintenance end, and sending the maintenance time limit specified by the monitoring end to the maintenance end.
Referring to fig. 4 again, the present embodiment further includes a timing process, which specifically includes the following steps:
step S70, acquiring timing setting information sent by the mobile terminal, and switching the working state of the air switch at regular time;
step S71, counting down the working time of the air switch according to the timing setting information;
step S72, when the countdown remaining time reaches the reminding time, sending confirmation information to the mobile terminal;
step S73, when the countdown cancellation information fed back by the mobile terminal is received, the countdown switching command of the air switch is cancelled;
step S74, when the countdown cancellation information fed back by the mobile terminal is not received, counting down continues;
and step S75, controlling the air switch to switch the working state between open and closed when the working time reaches the time length specified in the timing setting information.
Corresponding to the control method of the intelligent air switch in the first embodiment of the present invention, as shown in fig. 5, the second embodiment of the present invention provides a control system of an intelligent air switch, for implementing the control method in the first embodiment of the present invention, the control system includes: :
the monitoring module 100 is used for monitoring the circuit in real time to obtain the voltage change condition in the circuit;
the analysis module 200 is used for judging the type of the voltage abnormal condition when the voltage in the circuit is monitored to be abnormal;
the control module 300 is used for adjusting the distribution condition of voltage in the circuit by controlling the power-on and power-off states of one or more intelligent air switches according to the types of abnormal conditions;
and the saving module 400 is configured to save the obtained voltage value change condition and upload the voltage value change condition to a database.
It is understood that, in the present embodiment, the abnormal conditions include an excessive voltage, an insufficient voltage, a severe voltage fluctuation, and a leakage.
In one aspect of this embodiment, the method further includes:
the information calling and sending module 500 is used for sending the voltage abnormal condition to the monitoring terminal in time when the voltage abnormal condition occurs in the circuit, and sending the information of the regulating action to be executed aiming at the abnormal condition to the monitoring terminal; the regulation and control action information is derived from an emergency solution which is pre-stored in a database, and the emergency solution comprises a voltage abnormal condition and regulation and control action information which is correspondingly executed when the voltage abnormal condition occurs;
and the maintenance information sending module 600 is configured to send maintenance information and abnormal voltage conditions to the maintenance end when the maintenance information is related to the emergency solution corresponding to the abnormal voltage conditions, where the maintenance information is used to remind the maintenance end of timely arriving at a field for maintenance, corresponding required maintenance tools during maintenance, and names of electrical appliances needing to be replaced.
In a case of this embodiment, the saving module 400 specifically includes:
an encoding unit 410 for encoding a plurality of air switches; the code is pasted on the air switch;
and the corresponding storage unit 420 is used for storing the codes and the data of the voltage value change conditions in a one-to-one correspondence manner when monitoring and storing the voltage value change conditions of the circuit where each air switch is located.
As can be seen from the above description, the present invention provides the following advantageous effects: the protection of the traditional air switch on the overvoltage or undervoltage condition of the circuit can be realized, and the power on-off conditions of a plurality of air switches in the circuit can be regulated and controlled under the overvoltage or undervoltage condition, so that part of electric appliances can still work normally, a certain production working capacity is maintained, and all the electric appliances are not required to be powered off; the acquired voltage value change condition is stored and uploaded to a database; when a voltage abnormal condition occurs in the circuit, the voltage abnormal condition is sent to the monitoring end in time, and meanwhile, the information of the regulation and control action to be executed aiming at the abnormal condition is sent to the monitoring end; when maintenance information is related to the emergency solution corresponding to the voltage abnormal condition, the maintenance information and the voltage abnormal condition are sent to a maintenance end; the abnormal condition in the circuit can be timely notified to related workers, so that the circuit and the electric appliance can be monitored and maintained at the first time.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.
Claims (10)
1. A control method of an intelligent air switch is characterized by comprising the following steps:
step S10, monitoring the circuit in real time to obtain the voltage change condition in the circuit;
step S11, when the voltage in the circuit is detected to be abnormal, the type of the abnormal voltage is judged;
step S12, according to the type of the abnormal condition, the distribution condition of the voltage in the circuit is adjusted by controlling the power-on and power-off states of one or more intelligent air switches;
and step S13, storing the acquired voltage value change condition and uploading the voltage value change condition to a database.
2. The control method according to claim 1, wherein the step S11 specifically includes:
step S110, extracting a voltage value in the circuit at each preset fixed time period, and continuously recording the voltage value;
step S111, calculating fluctuation conditions of a plurality of voltages before the current time point;
step S112, when the fluctuation of a plurality of voltages is irregular, sending a voltage instability message to the monitoring terminal to remind the monitoring terminal to timely close the sensitive electric appliance;
step S113, when the voltage value exceeds a preset high value and a plurality of voltages are in a rising state all the time, judging that the current abnormal state is an overlarge voltage, and calculating the growth rates of the plurality of voltages;
step S114, predicting the time point when the voltage exceeds the electric appliance bearing critical value according to the increase rate;
step S115, sending the time point and the early warning information to a monitoring end to remind the monitoring end of closing the damaged electric appliance before the time point; the early warning information comprises the coding information of the air switch with the voltage abnormal condition and the judged voltage abnormal condition type.
3. The control method according to claim 2, wherein said step S110 is followed by further comprising:
step S30, when the voltage value is smaller than the preset low value and the plurality of voltages are in a descending state all the time, judging that the current abnormal state is the voltage too small, and calculating the descending rate of the plurality of voltages;
step S31, according to the descending rate, predicting the time point when the voltage is lower than the lowest low voltage of the electric appliance;
and step S32, sending the time point and the early warning information to the monitoring terminal, and reminding the monitoring terminal to adjust and close the electric appliance which is difficult to maintain to operate in advance before the time point.
4. The control method according to claim 3, wherein the step S12 specifically includes:
step S40, according to the growth rate, calculating the predicted value to which the voltage will grow in the specified predicted time according to the current growth rate;
step S41, calculating the difference between the predicted value and the preset high value;
step S42, picking up the voltage division capability value of each non-working electric appliance;
step S43, locating the voltage dividing capacity value closest to the difference value;
and step S44, controlling an air switch of a circuit where the electric appliance is located corresponding to the partial pressure capacity value to be opened according to the positioned partial pressure capacity value.
5. The control method according to claim 4, wherein the step S12 specifically includes:
step S45, calculating a predicted value to which the voltage will drop according to the current drop rate within a predetermined time according to the drop rate; calculating a difference value between the predicted value and a preset low value;
step S46, picking up the voltage division capability value of each electric appliance in the current working state and the working importance level of the electric appliance;
step S47, locating the electric appliance partial pressure capacity value which is closest to the difference value in a plurality of electric appliances with the lowest current importance level;
and step S48, according to the positioned partial pressure capacity value, controlling the air switch in the circuit of the electric appliance corresponding to the partial pressure capacity value to be switched off.
6. The control method according to claim 1, wherein the step S13 specifically includes:
step S20, encoding a plurality of air switches; the code is pasted on the air switch;
and step S21, when the voltage value change condition of the circuit where each air switch is located is monitored and stored, storing the data of the code and the voltage value change condition in a one-to-one correspondence manner.
7. The control method according to claim 1, characterized by further comprising:
step S14, sending the voltage abnormal condition to the monitoring terminal, and sending the information of the regulation and control action to be executed aiming at the abnormal condition to the monitoring terminal;
and step S15, when the emergency solution corresponding to the voltage abnormal condition relates to maintenance information, sending the maintenance information and the voltage abnormal condition to a maintenance terminal.
8. The control method according to claim 7, wherein the step S11 specifically includes:
step S60, when the shell of the air switch is detected to be electrified, the electrified leakage voltage on the shell is measured and extracted;
step S61, when the leakage voltage exceeds the safe voltage, sending leakage reminding information to the monitoring terminal and controlling the air switch to be switched off;
and step S62, sending the coded information of the leakage air switch to the maintenance end, and sending the maintenance time limit specified by the monitoring end to the maintenance end.
9. The control method according to claim 1, characterized by further comprising:
step S70, acquiring timing setting information sent by the mobile terminal, and switching the working state of the air switch at regular time;
step S71, counting down the working time of the air switch according to the timing setting information;
step S72, when the countdown remaining time reaches the reminding time, sending confirmation information to the mobile terminal;
step S73, when the countdown cancellation information fed back by the mobile terminal is received, the countdown switching command of the air switch is cancelled;
step S74, when the countdown cancellation information fed back by the mobile terminal is not received, counting down continues;
and step S75, controlling the air switch to switch the working state between open and closed when the working time reaches the time length specified in the timing setting information.
10. A control system of an intelligent air switch for implementing the control method according to any one of claims 1 to 9, characterized in that the control system comprises:
the monitoring module is used for monitoring the circuit in real time to obtain the voltage change condition in the circuit;
the analysis module is used for judging the type of the voltage abnormal condition when the voltage in the circuit is monitored to be abnormal;
the control module is used for adjusting the distribution condition of voltage in the circuit by controlling the power-on and power-off states of one or more intelligent air switches according to the types of the abnormal conditions;
and the storage module is used for storing the acquired voltage value change condition and uploading the voltage value change condition to a database.
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| CN107732864A (en) * | 2017-11-08 | 2018-02-23 | 盛世乐居（亚东）智能科技有限公司 | Intelligent air switch system, mobile terminal and server |
| CN210806714U (en) * | 2019-06-27 | 2020-06-19 | 浙江万胜智能科技股份有限公司 | Intelligent air switch |
| CN111306708A (en) * | 2019-11-25 | 2020-06-19 | 国网电力科学研究院武汉南瑞有限责任公司 | Air conditioner load demand response control device and method |
| CN211980528U (en) * | 2020-06-01 | 2020-11-20 | 江西明正智能电气有限公司 | Electronic control system of wisdom circuit breaker |
| CN111817255A (en) * | 2020-07-21 | 2020-10-23 | 昇辉控股有限公司 | Air switch collector and air switch device |
| CN113495199A (en) * | 2021-09-09 | 2021-10-12 | 深圳博润缘科技有限公司 | Power equipment safety monitoring method and system |
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