CN114336516B - Control method and system of intelligent air switch - Google Patents
Control method and system of intelligent air switch Download PDFInfo
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- CN114336516B CN114336516B CN202111609260.5A CN202111609260A CN114336516B CN 114336516 B CN114336516 B CN 114336516B CN 202111609260 A CN202111609260 A CN 202111609260A CN 114336516 B CN114336516 B CN 114336516B
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000002159 abnormal effect Effects 0.000 claims abstract description 67
- 238000012544 monitoring process Methods 0.000 claims abstract description 52
- 238000012423 maintenance Methods 0.000 claims abstract description 38
- 238000009826 distribution Methods 0.000 claims abstract description 9
- 230000001276 controlling effect Effects 0.000 claims description 18
- 230000005856 abnormality Effects 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000001788 irregular Effects 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 1
Abstract
The invention discloses a control method and a control system of an intelligent air switch, wherein the control method comprises the following steps: step S10, monitoring a circuit in real time to acquire the voltage change condition in the circuit; step S11, judging the type of the voltage abnormal condition when the abnormal condition of the voltage in the circuit is monitored; step S12, according to the type of the abnormal condition, the distribution condition of the voltage in the circuit is adjusted by controlling the on-off state of one or more intelligent air switches; and step S13, the obtained voltage value change condition is saved and uploaded to a database. The invention can regulate the on-off condition of a plurality of air switches in the circuit, so that part of electric appliances can still work normally, when the voltage abnormal condition occurs in the circuit, the voltage abnormal condition is timely sent to the monitoring end and the maintenance end, and the abnormal condition in the circuit can be timely notified to related staff, so that the circuit and the electric appliances can be supervised and maintained for 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
The air switch, also called air breaker, is a switch which can be automatically opened as long as the current in the circuit exceeds the rated current, and when the current in the circuit generates overvoltage or undervoltage state, the power is automatically started to cut off, so as to protect the electric appliance in use and avoid the damage of the electric appliance. It integrates control and several protection functions. Besides the contact and breaking of the circuit, the circuit or the electric equipment can be protected from short circuit, serious overload, undervoltage and the like. Air switches are typically deployed at home electric meters or beside electrical boxes in the corridor.
For the promotion of modern demand, traditional air switch can't satisfy the demand to the electrical safety in daily life gradually in the function, and traditional air switch only possesses the protection to circuit excessive pressure or undervoltage, and is limited to the electrical apparatus guard action that connects 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 inform the unexpected situation of circuit in time for the user.
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 during overvoltage or undervoltage.
In order to solve the technical problems, the invention provides a control method of an intelligent air switch, which comprises the following steps:
step S10, monitoring a circuit in real time to acquire the voltage change condition in the circuit;
step S11, judging the type of the voltage abnormal condition when the abnormal condition of the voltage in the circuit is monitored;
step S12, according to the type of the abnormal condition, the distribution condition of the voltage in the circuit is adjusted by controlling the on-off state of one or more intelligent air switches;
and step S13, the obtained voltage value change condition is saved and uploaded to a database.
Further, the step S11 specifically includes:
step S110, extracting the voltage value in the circuit in 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, a voltage instability message is sent to a monitoring end, and the monitoring end is reminded to close a sensitive electrical appliance in time;
step S113, when the voltage value exceeds a preset high value and the voltages always show rising states, judging the current abnormal state as overlarge voltage, and calculating the increasing rate of the voltages;
step S114, predicting a time point when the voltage exceeds the electrical appliance bearing critical value according to the growth rate;
step S115, the time point and the early warning information are sent to a monitoring end, and the monitoring end is reminded of closing an electric appliance which is damaged before the time point; the early warning information comprises coding information of an air switch with voltage abnormality and judged voltage abnormality types.
Further, the step S110 further includes:
step S30, when the voltage value is smaller than a preset low value and the voltages always show a falling state, judging that the current abnormal state is too small in voltage, and calculating the falling rate of the voltages;
step S31, predicting a time point when the voltage is lower than the lowest running voltage of the electric appliance according to the reduction rate;
and step S32, sending the time point and the early warning information to a monitoring end, reminding the monitoring end of adjusting the electric appliance which is difficult to maintain to run before the time point, and closing in advance.
Further, the step S12 specifically includes:
step S40, calculating a predicted value to which the voltage will increase within a specified predicted time according to the current growth rate according to the growth rate;
step S41, calculating a difference value between the predicted value and a preset high value;
step S42, picking up the partial pressure capability value of each non-working electric appliance;
step S43, locating the partial pressure capacity value closest to the difference value;
and S44, controlling the air switch of the circuit where the electric appliance corresponding to the partial pressure capability value is positioned to be opened according to the positioned partial pressure capability value.
Further, the step S12 specifically includes:
step S45, calculating a predicted value to which the voltage is reduced according to the current reduction rate in a specified time according to the reduction rate; calculating a difference between the predicted value and a preset low value;
step S46, picking up the voltage division capacity value of each electrical appliance in the current working state and the working importance level of the electrical appliance;
step S47, locating the voltage dividing capability value of the electric appliance closest to the difference value in the plurality of electric appliances with the lowest current importance level;
and step S48, controlling the opening of an air switch in a circuit where the electric appliance corresponding to the voltage division capacity value is positioned according to the positioned voltage division capacity value.
Further, the step S13 specifically includes:
step S20, encoding a plurality of air switches; the code is stuck on the air switch;
and S21, when the voltage value change condition of the circuit where each air switch is positioned is monitored and stored, storing the codes in one-to-one correspondence with the data of the voltage value change condition.
Further, the control method further includes:
step S14, the abnormal voltage condition is sent to the monitoring end, and meanwhile, the regulation and control action information to be executed aiming at the abnormal voltage condition is sent to the monitoring end;
and step S15, when the 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.
Further, the step S11 specifically includes:
step S60, when detecting that the shell of the air switch is electrified, measuring and extracting the electrified leakage voltage on the shell;
step S61, when the leakage voltage exceeds the safety voltage, sending out leakage reminding information to the monitoring end and controlling the air switch to be disconnected;
and step S62, the coded information of the leakage air switch is sent to the maintenance end, and the maintenance time limit regulated by the monitoring end is sent to the maintenance end.
Further, the control method further includes:
step S70, acquiring timing setting information sent by a mobile terminal, and switching the working state of an air switch at fixed 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, acknowledgement information is sent to the mobile terminal;
step S73, when receiving countdown cancellation information fed back by the mobile terminal, canceling the countdown switching command of the air switch;
step S74, when the countdown cancellation information fed back by the mobile terminal is not received, the countdown is continued;
and step S75, when the working time length reaches the time length specified in the timing setting information, controlling the air switch to switch the working state between opening and closing.
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 and acquiring the voltage change condition in the circuit;
the analysis module is used for judging the type of the voltage abnormal condition when the abnormal condition of the voltage in the circuit is monitored;
the control module is used for adjusting the distribution condition of the voltage in the circuit by controlling the on-off state of one or more intelligent air switches according to the types of abnormal conditions;
the storage module is used for storing the obtained voltage value change condition and uploading the obtained voltage value change condition to the database.
The implementation of the invention has the following beneficial effects: the protection of the traditional air switch to the overvoltage or undervoltage condition of the circuit can be realized, and the on-off condition 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 electric appliances are not required to be powered off; the obtained voltage value change condition is stored and uploaded to a database; when the voltage abnormal condition occurs in the circuit, the voltage abnormal condition is timely sent to the monitoring end, and meanwhile, regulation and control action information 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 conditions in the circuit can be timely notified to related staff, so that the circuit and the electric appliance can be supervised and maintained at the first time.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flow chart of a control method of an intelligent air switch according to an embodiment of the invention.
Fig. 2 is a schematic diagram of an analysis flow in the first embodiment of the invention.
Fig. 3 is a schematic diagram of a control flow in the first embodiment of the invention.
Fig. 4 is a timing flow diagram in a first embodiment of the invention.
Fig. 5 is a schematic diagram of a functional module of a control system of an intelligent air switch according to a second embodiment of the present invention.
Detailed Description
The following description of embodiments refers to the accompanying drawings, which illustrate specific embodiments in which the invention may be practiced.
Referring to fig. 1, a first embodiment of the present invention provides a control method of an intelligent air switch, including:
step S10, monitoring a circuit in real time to acquire the voltage change condition in the circuit;
step S11, judging the type of the voltage abnormal condition when the abnormal condition of the voltage in the circuit is monitored;
step S12, according to the type of the abnormal condition, the distribution condition of the voltage in the circuit is adjusted by controlling the on-off state of one or more intelligent air switches;
and step S13, the obtained voltage value change condition is saved and uploaded to a database.
Specifically, referring to fig. 2, step S11 specifically includes:
step S110, extracting the voltage value in the circuit in each preset fixed time period, and continuously recording the voltage value;
setting a voltage extraction interval period that can be varied allows 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, a voltage instability message is sent to a monitoring end, and the monitoring end is reminded to close a sensitive electrical appliance in time;
because some relatively sensitive appliances are less tolerant to voltage fluctuations, slight voltage fluctuations can cause the appliances to burn out, which require special monitoring.
Step S113, when the voltage value exceeds a preset high value and the voltages always show rising states, judging the current abnormal state as overlarge voltage, and calculating the increasing rate of the voltages;
step S114, predicting a time point when the voltage exceeds the electrical appliance bearing critical value according to the growth rate;
step S115, the time point and the early warning information are sent to a monitoring end, and the monitoring end is reminded of closing an electric appliance which is damaged before the time point; the early warning information comprises coding information of an air switch with voltage abnormality and judged voltage abnormality types.
It can be appreciated that in this embodiment, the abnormal conditions include excessive voltage, severe voltage fluctuation, and leakage.
Further, in one case of the present embodiment, step S110 further includes:
step S30, when the voltage value is smaller than a preset low value and the voltages always show a falling state, judging that the current abnormal state is too small in voltage, and calculating the falling rate of the voltages;
step S31, predicting a time point when the voltage is lower than the lowest running voltage of the electric appliance according to the reduction rate;
and step S32, sending the time point and the early warning information to a monitoring end, reminding the monitoring end of adjusting the electric appliance which is difficult to maintain to run before the time point, and closing in advance.
As shown in fig. 3, step S12 specifically includes:
step S40, calculating a predicted value to which the voltage will increase within a specified predicted time according to the current growth rate according to the growth rate;
step S41, calculating a difference value between the predicted value and a preset high value;
step S42, picking up the partial pressure capability value of each non-working electric appliance;
step S43, locating the partial pressure capacity value closest to the difference value;
and S44, controlling the air switch of the circuit where the electric appliance corresponding to the partial pressure capability value is positioned to be opened according to the positioned partial pressure capability value.
In one case of the present embodiment, step S12 specifically includes:
step S45, calculating a predicted value to which the voltage is reduced according to the current reduction rate in a specified time according to the reduction rate; calculating a difference between the predicted value and a preset low value;
step S46, picking up the voltage division capacity value of each electrical appliance in the current working state and the working importance level of the electrical appliance;
step S47, locating the voltage dividing capability value of the electric appliance closest to the difference value in the plurality of electric appliances with the lowest current importance level;
and step S48, controlling the opening of an air switch in a circuit where the electric appliance corresponding to the voltage division capacity value is positioned according to the positioned voltage division capacity value.
In one case of the present embodiment, step S13 specifically includes:
step S20, encoding a plurality of air switches; the code is stuck on the air switch;
and S21, when the voltage value change condition of the circuit where each air switch is positioned is monitored and stored, storing the codes in one-to-one correspondence with the data of the voltage value change condition.
In order to facilitate handling of the abnormal situation that occurs, this embodiment further includes:
step S14, the abnormal voltage condition is sent to the monitoring end, and meanwhile, the regulation and control action information to be executed aiming at the abnormal voltage condition is sent to the monitoring end.
The regulation action information is derived from an emergency solution stored in a database in advance, and the emergency solution comprises regulation action information correspondingly executed when the voltage abnormal condition occurs.
And step S15, when the 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 maintenance information is used for reminding a maintenance end of timely reaching on-site maintenance, corresponding to a required maintenance tool and an electrical appliance name needing to be replaced, so that abnormal conditions in the circuit can be timely notified to related staff, and the circuit and the electrical appliance can be monitored and maintained at the first time.
In one case of the present embodiment, step S11 specifically includes:
step S60, when detecting that the shell of the air switch is electrified, measuring and extracting the electrified leakage voltage on the shell;
step S61, when the leakage voltage exceeds the safety voltage, sending out leakage reminding information to the monitoring end and controlling the air switch to be disconnected;
and step S62, the coded information of the leakage air switch is sent to the maintenance end, and the maintenance time limit regulated by the monitoring end is sent to the maintenance end.
Referring to fig. 4 again, the present embodiment further includes a timing flow, which is specifically as follows:
step S70, acquiring timing setting information sent by a mobile terminal, and switching the working state of an air switch at fixed 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, acknowledgement information is sent to the mobile terminal;
step S73, when receiving countdown cancellation information fed back by the mobile terminal, canceling the countdown switching command of the air switch;
step S74, when the countdown cancellation information fed back by the mobile terminal is not received, the countdown is continued;
and step S75, when the working time length reaches the time length specified in the timing setting information, controlling the air switch to switch the working state between opening and closing.
As shown in fig. 5, a second embodiment of the present invention provides a control system for an intelligent air switch, for implementing the control method according to the first embodiment of the present invention, where 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;
an analysis module 200, configured to determine a type of a voltage abnormal condition when an abnormal condition of a voltage in the circuit is detected;
the control module 300 is used for adjusting the distribution condition of the voltage in the circuit by controlling the on-off state of one or more intelligent air switches according to the type of the abnormal condition;
the storage module 400 is configured to store the obtained voltage value change condition, and upload the voltage value change condition to the database.
It can be appreciated that in this embodiment, the abnormal conditions include excessive voltage, severe voltage fluctuation, and leakage.
In one case of the present embodiment, further comprising:
the information calling and sending module 500 is configured to send the voltage abnormal condition to the monitoring end in time when the voltage abnormal condition occurs in the circuit, and send the regulation action information to be executed for the abnormal condition to the monitoring end at the same time; the regulation and control action information is derived from emergency solutions stored in a database in advance, and the emergency solutions comprise voltage abnormal conditions and regulation and control action information correspondingly executed when the voltage abnormal conditions occur;
the maintenance information sending module 600 is configured to send maintenance information and a voltage abnormal condition to a maintenance end when the maintenance information is related to an emergency solution corresponding to the voltage abnormal condition, where the maintenance information is used to remind the maintenance end of timely reaching a site for maintenance, and corresponding to a required maintenance tool and an appliance name that needs to be replaced when the maintenance end is maintained.
In one case of this embodiment, the saving module 400 specifically includes:
an encoding unit 410 for encoding a plurality of air switches; the code is stuck on the air switch;
and the corresponding storage unit 420 is used for storing the codes and the data of the voltage value change condition in a one-to-one correspondence manner when the voltage value change condition of the circuit where each air switch is located is monitored and stored.
From the above description, the beneficial effects of the invention are as follows: the protection of the traditional air switch to the overvoltage or undervoltage condition of the circuit can be realized, and the on-off condition 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 electric appliances are not required to be powered off; the obtained voltage value change condition is stored and uploaded to a database; when the voltage abnormal condition occurs in the circuit, the voltage abnormal condition is timely sent to the monitoring end, and meanwhile, regulation and control action information 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 conditions in the circuit can be timely notified to related staff, so that the circuit and the electric appliance can be supervised and maintained at the first time.
The foregoing disclosure is illustrative of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (9)
1. The control method of the intelligent air switch is characterized by comprising the following steps of:
step S10, monitoring a circuit in real time to acquire the voltage change condition in the circuit;
step S11, judging the type of the voltage abnormal condition when the abnormal condition of the voltage in the circuit is monitored;
step S12, according to the type of the abnormal condition, the distribution condition of the voltage in the circuit is adjusted by controlling the on-off state of one or more intelligent air switches;
step S13, the obtained voltage value change condition is saved and uploaded to a database;
the step S11 specifically includes:
step S110, extracting the voltage value in the circuit in 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, a voltage instability message is sent to a monitoring end, and the monitoring end is reminded to close a sensitive electrical appliance in time;
step S113, when the voltage value exceeds a preset high value and the voltages always show rising states, judging the current abnormal state as overlarge voltage, and calculating the increasing rate of the voltages;
step S114, predicting a time point when the voltage exceeds the electrical appliance bearing critical value according to the growth rate;
step S115, the time point and the early warning information are sent to a monitoring end, and the monitoring end is reminded of closing an electric appliance which is damaged before the time point; the early warning information comprises coding information of an air switch with voltage abnormality and judged voltage abnormality types.
2. The control method according to claim 1, characterized in that said step S110 further comprises, after:
step S30, when the voltage value is smaller than a preset low value and the voltages always show a falling state, judging that the current abnormal state is too small in voltage, and calculating the falling rate of the voltages;
step S31, predicting a time point when the voltage is lower than the lowest running voltage of the electric appliance according to the reduction rate;
and step S32, sending the time point and the early warning information to a monitoring end, reminding the monitoring end of adjusting the electric appliance which is difficult to maintain to run before the time point, and closing in advance.
3. The control method according to claim 2, wherein the step S12 specifically includes:
step S40, calculating a predicted value to which the voltage will increase within a specified predicted time according to the current growth rate according to the growth rate;
step S41, calculating a difference value between the predicted value and a preset high value;
step S42, picking up the partial pressure capability value of each non-working electric appliance;
step S43, locating the partial pressure capacity value closest to the difference value;
and S44, controlling the air switch of the circuit where the electric appliance corresponding to the partial pressure capability value is positioned to be opened according to the positioned partial pressure capability value.
4. The control method according to claim 3, wherein the step S12 specifically includes:
step S45, calculating a predicted value to which the voltage is reduced according to the current reduction rate in a specified time according to the reduction rate; calculating a difference between the predicted value and a preset low value;
step S46, picking up the voltage division capacity value of each electrical appliance in the current working state and the working importance level of the electrical appliance;
step S47, locating the voltage dividing capability value of the electric appliance closest to the difference value in the plurality of electric appliances with the lowest current importance level;
and step S48, controlling the opening of an air switch in a circuit where the electric appliance corresponding to the voltage division capacity value is positioned according to the positioned voltage division capacity value.
5. The control method according to claim 1, wherein the step S13 specifically includes:
step S20, encoding a plurality of air switches; the code is stuck on the air switch;
and S21, when the voltage value change condition of the circuit where each air switch is positioned is monitored and stored, storing the codes in one-to-one correspondence with the data of the voltage value change condition.
6. The control method according to claim 1, characterized by further comprising:
step S14, the abnormal voltage condition is sent to the monitoring end, and meanwhile, the regulation and control action information to be executed aiming at the abnormal voltage condition is sent to the monitoring end;
and step S15, when the 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.
7. The control method according to claim 6, wherein the step S11 specifically includes:
step S60, when detecting that the shell of the air switch is electrified, measuring and extracting the electrified leakage voltage on the shell;
step S61, when the leakage voltage exceeds the safety voltage, sending out leakage reminding information to the monitoring end and controlling the air switch to be disconnected;
and step S62, the coded information of the leakage air switch is sent to the maintenance end, and the maintenance time limit regulated by the monitoring end is sent to the maintenance end.
8. The control method according to claim 1, characterized by further comprising:
step S70, acquiring timing setting information sent by a mobile terminal, and switching the working state of an air switch at fixed 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, acknowledgement information is sent to the mobile terminal;
step S73, when receiving countdown cancellation information fed back by the mobile terminal, canceling the countdown switching command of the air switch;
step S74, when the countdown cancellation information fed back by the mobile terminal is not received, the countdown is continued;
and step S75, when the working time length reaches the time length specified in the timing setting information, controlling the air switch to switch the working state between opening and closing.
9. A control system for an intelligent air switch for implementing the control method according to any one of claims 1-8, characterized in that the control system comprises:
the monitoring module is used for monitoring the circuit in real time and acquiring the voltage change condition in the circuit;
the analysis module is used for judging the type of the voltage abnormal condition when the abnormal condition of the voltage in the circuit is monitored;
the control module is used for adjusting the distribution condition of the voltage in the circuit by controlling the on-off state of one or more intelligent air switches according to the types of abnormal conditions;
the storage module is used for storing the acquired voltage value change condition and uploading the voltage value change condition to the database;
the analysis module is specifically used for: extracting a voltage value in the circuit in each preset fixed time period, and continuously recording the voltage value; calculating fluctuation conditions of a plurality of voltages before the current time point; when the fluctuation of the voltages is irregular, a voltage instability message is sent to the monitoring end, and the monitoring end is reminded to close the sensitive electric appliance in time; when the voltage value exceeds a preset high value and the voltages always show rising states, judging that the current abnormal state is that the voltage is overlarge, and calculating the increasing rate of the voltages; predicting a time point when the voltage exceeds a critical value born by the electrical appliance according to the growth rate; the time point and the early warning information are sent to the monitoring end, and the monitoring end is reminded to close the damaged electric appliance before the time point; the early warning information comprises coding information of an air switch with voltage abnormality and judged voltage abnormality types.
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| 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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