CN110011269B - Circuit breaker - Google Patents
Circuit breaker Download PDFInfo
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- CN110011269B CN110011269B CN201910346234.4A CN201910346234A CN110011269B CN 110011269 B CN110011269 B CN 110011269B CN 201910346234 A CN201910346234 A CN 201910346234A CN 110011269 B CN110011269 B CN 110011269B
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- 238000004891 communication Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 6
- 230000003993 interaction Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 description 12
- 241000282414 Homo sapiens Species 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/027—Details with automatic disconnection after a predetermined time
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Abstract
The invention provides a circuit breaker, comprising: the main control unit is respectively electrically connected with the storage unit and the switch unit, and the storage unit is used for storing a preset time period, a preset circuit corresponding to the preset time period and a preset instruction; the switch unit is used for controlling the on-off of a circuit connected with the circuit breaker; the main control unit acquires the current time and judges whether the current time is in a preset time period or not; if yes, judging whether the current working circuit is a preset circuit corresponding to a preset time period; if yes, the switch unit is controlled to disconnect the circuit. The invention can control the on-off of different circuits according to different time periods, thereby avoiding the problem that a user forgets to turn off the circuits, reducing the power consumption and realizing the purpose of saving power.
Description
Technical Field
The invention relates to the field of circuit control, in particular to a circuit breaker.
Background
The discovery and application of electricity greatly save the physical labor and the mental labor of human beings, so that the human force grows on the wings, and the information antenna of the human beings continuously extends. The influence of electricity on human life has two aspects, namely energy acquisition and conversion and transmission and the foundation of electronic information technology. The discovery of electricity can be said to be a historical revolution of mankind, the kinetic energy generated by it is constantly released every day, the demand for electricity is exaggeratedly that it does not act as much as the oxygen in the human world, and if there is no electricity, the civilization of human beings is also explored in the dark.
Along with the application of electricity, human civilization grows, the electricity consumption of daily life of people also correspondingly increases, and the overweight electricity load and the huge loss of energy brought by the whole society follow. To relieve the electricity pressure requires the user to disconnect unnecessary electrical circuits for electrical connection during work, travel, outing, etc. to save electricity.
However, the user often forgets to disconnect the circuit of unnecessary electrical appliances according to the current time period because of various distractions, and thus the purpose of saving electricity cannot be achieved.
Disclosure of Invention
In view of this, the invention provides a circuit breaker, which can control the on/off of different circuits according to the time period of the current time, thereby achieving the purpose of saving electricity.
The technical scheme of the invention is realized as follows: the present invention provides a circuit breaker, wherein the circuit breaker comprises: the intelligent control system comprises a main control unit (101), a storage unit (102) and a switch unit (103), wherein the main control unit (101) is electrically connected with the storage unit (102) and the switch unit (103), and the storage unit (102) is used for storing a preset time period, a preset circuit corresponding to the preset time period and a preset instruction; the switch unit (103) is used for controlling the on-off of a circuit connected with the circuit breaker; the main control unit (101) acquires the current time and judges whether the current time is in a preset time period; if yes, judging whether the current working circuit is a preset circuit corresponding to the preset time period; if yes, the switch unit (103) is controlled to open the circuit.
On the basis of the above technical solution, preferably, the preset time period is at least one of work hours, morning hours, daytime hours, night hours and holidays.
On the basis of the technical scheme, the following steps are preferred: the main control unit (101) obtains the current time through at least one of a timing chip, the Internet and an intelligent terminal.
On the basis of the technical scheme, the following steps are preferred: the circuit breaker further comprises a communication unit (104), the main control unit (101) realizes man-machine interaction through the communication unit (104), the main control unit (101) obtains the current time, and the step of judging whether the current time is in a preset time period further comprises the following steps: the main control unit (101) acquires an instruction through the communication unit (104), and judges whether the instruction is a preset instruction or not; if yes, the main control unit (101) executes the step of obtaining the current time through the circuit breaker.
Still further preferably, after the step of the main control unit (101) disconnecting the circuit through the switch unit (103), the method further includes: the main control unit (101) stores the information of the circuit in the storage unit (102), and sends the information to a preset user through the communication unit (104).
Still further preferably, the step of sending the information to the preset user through the communication unit (104) further includes: and receiving a starting instruction sent by a preset user, and starting the circuit according to the starting instruction.
On the basis of the above technical solution, preferably, the switch unit (103) is connected to at least one circuit, and the main control unit (101) detects at least one of a voltage signal and a current signal of each circuit, and determines whether the signal exceeds a preset threshold; if yes, determining that the circuit is in the working state currently.
Preferably, the main control unit (101) compares the currently working circuit with a preset circuit, and judges whether the currently working circuit and the preset circuit are matched; if so, determining the current working circuit as a preset circuit; and if not, determining that the currently working circuit is not the preset circuit.
Further preferably, the switching unit (103) includes at least one branch switch (1031), and each circuit is connected to at least one branch switch (1031); the step of the main control unit (101) controlling the switch unit (103) to disconnect the circuit specifically comprises: the main control unit (101) sends a disconnection instruction to the switch unit (103) after determining that a currently working circuit is a preset circuit, and the switch unit (103) controls the branch switch (1031) connected with the circuit to be disconnected and disconnect the circuit after receiving the disconnection instruction.
Still further preferably, the switch unit (103) further comprises at least one driving motor (1032), the sub-switch (1031) is connected to the driving motor (1032), and the step of controlling the sub-switch (1031) of the circuit connection to be turned off specifically comprises: the main control unit (101) sends the disconnection instruction containing a first starting instruction to the switch unit (103), and the driving motor (1032) works after receiving the first starting instruction and pushes the branch switch (1031) to be disconnected.
Compared with the prior art, the circuit breaker has the following beneficial effects:
(1) the main control unit is used for acquiring the current time, judging whether the current time is in the preset time period, if so, judging whether the current working circuit is the preset circuit corresponding to the preset time period, and controlling the switch unit to process the current working circuit according to the judgment result.
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 block diagram of one embodiment of a circuit breaker of the present invention;
fig. 2 is a flow chart of the operation of an embodiment of the circuit breaker of the present invention;
fig. 3 is a block diagram of another embodiment of the circuit breaker of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of an embodiment of a circuit breaker of the present invention, and fig. 2 is a flowchart of a work flow of the embodiment of the circuit breaker of the present invention. The circuit breaker of the present application is explained with reference to fig. 1 and 2.
The circuit breaker of the present invention comprises: the main control unit 101, the storage unit 102 and the switch unit 103, wherein the main control unit 101 is electrically connected to the storage unit 102 and the switch unit 103, respectively.
In this embodiment, the main control unit 101 is electrically connected to the storage unit 102 and the switch unit 103 through an RS-485 bus, and sends instructions and transmits data to the storage unit 102 and the switch unit 103 through the RS-485 bus.
In other embodiments, the master control unit 101 may be electrically connected to the storage unit 102 and the switch unit 103 through at least one of an RS-232 bus, an IEEE-488 bus, a USB bus, a CAN bus, and a LIN bus, respectively, which are not limited herein.
The storage unit 102 is configured to store a preset time period, a preset circuit corresponding to the preset time period, and a preset instruction.
In this embodiment, the storage unit 102 is an EEPROM chip, and in other embodiments, the storage unit 102 may also be an EPROM chip, which is not limited herein.
In this embodiment, the memory unit 102 and the main control unit 101 may be separately arranged, or the memory unit 102 may be combined into the main control unit 101, and the main control unit 101 and the memory unit 102 are only one functional division of the present invention, and do not represent the actual structure of the present invention, and are not described herein again.
The switch unit 103 is connected with a circuit controlled by the circuit breaker, and the main control unit 101 controls the on-off of the circuit through the switch unit 103.
In this embodiment, the main control unit 101 controls the operation of itself, the switch unit 103 and the storage unit 102 when operating, wherein the main control unit 101 realizes the function of controlling the on/off of the circuit breaker through the following procedures when operating.
S201: the main control unit 101 obtains the current time and determines whether the current time is within a preset time period.
In this embodiment, the main control unit 101 includes an SOC (System on Chip), and the core thereof is designed based on an ARM32 bit Cortex-moccpu, so as to implement RS-485 local communication between the main control unit 101, the switch unit 103, and the storage unit 102. And main control unit 101 still includes detection module, and this detection module and the circuit connection of circuit breaker control, main control unit 101 obtains electric information such as voltage, electric current of every circuit through this metering module.
When the mobile terminal works, the main control unit 101 obtains the current time according to a certain frequency, compares the current time with a preset time period, and judges whether the current time is within the preset time period.
The method for the main control unit 101 to obtain the current time may be obtained through a high-precision clock chip arranged in the main control unit 101, or may be obtained after being connected with an intelligent terminal such as the internet, a mobile phone, a computer, etc. through wired communication or wireless communication methods such as bluetooth, WiFi, LIFI, etc., which is not limited herein.
In this embodiment, the preset time period is at least one of the working hours, morning, day, night and holiday. The user can set according to the self-needs, and details are not repeated here.
The preset time period is stored in the storage unit 102 of the circuit breaker, where the preset time period may be input by a user in advance and stored in the storage unit 102, or may be downloaded from a server or an intelligent terminal and stored in the storage unit 102 after the main control unit 101 is networked, and only the main control unit 101 needs to obtain the preset time period, which is not limited herein.
In a specific embodiment, the preset time period is an operating time period from eight am to six pm, the current time is seven forty, the main control unit 101 of the circuit breaker acquires the current time through WiFi networking, compares the current time with the preset operating time period, and determines whether the seven forty is within the operating time period.
In another specific embodiment, the preset time period is an operating time period from eight am to six pm, the current time is eight forty, the main control unit 101 of the circuit breaker acquires the current time through WiFi networking, compares the current time with the preset operating time period, and determines whether the eight forty is within the operating time period.
S202, judging whether the current working circuit is a preset circuit corresponding to a preset time period. If so, go to S204, otherwise, go to S203.
After determining that the current time is within the preset time period, the main control unit 101 of the circuit breaker detects a circuit connected with the main control unit, acquires information of the currently working circuit, compares the information with a circuit corresponding to the preset time period, and judges whether the currently working circuit is a circuit corresponding to the preset time period.
In this embodiment, the circuit breaker is connected to at least one circuit, and the main control unit 101 obtains at least one of a voltage signal and a current signal of the circuit connected thereto, determines whether the voltage signal and the current signal exceed a preset threshold, and determines that the circuit operates if the voltage signal and the current signal exceed the preset threshold.
In this embodiment, the preset threshold may be 200V, may also be 0.001A, and may also be 180V, and the user may set according to his own needs, which is not described herein.
In other embodiments, each circuit may also be connected to one or more signal transmitters, the circuit breaker stores identification information such as a physical address or a name of each signal transmitter, and the main control unit 101 of the circuit breaker receives a signal including the identification information transmitted by the signal transmitter, identifies the signal transmitter according to the signal, further identifies a circuit connected to the signal transmitter, and determines the circuit as a currently operating circuit.
And the preset circuit corresponding to the preset time period is a circuit which needs to be disconnected by the circuit breaker in the preset time period. In other embodiments, the preset circuit corresponding to the preset time period may also be a circuit that the circuit breaker does not need to be disconnected in the preset time period, and a user may set the preset circuit according to the own requirement, which is not described herein.
In this embodiment, different circuits are different from the connection interfaces between the metering modules of the main control unit 101, and the main control unit 101 of the circuit breaker identifies and names the circuit according to the connection interfaces, acquires the connection interface information of the metering module after determining the currently operating circuit, compares the information with the connection interface information of the preset circuit corresponding to the preset time period, determines whether the two are matched, and if so, determines that the currently operating circuit is the preset circuit. And if not, determining that the currently working circuit is not the preset circuit.
In other embodiments, the main control unit 101 may further distinguish the circuit according to different signal transmitters connected to different circuits, and compare the circuit with a preset circuit.
The power load curves generated by different electrical appliances are different, and the electrical appliances connected with different circuits are also different, so that the power load curves of different circuits obtained by the circuit breaker are different.
The main control unit 101 of the circuit breaker may further obtain voltage and current data of the circuit through the metering module, generate a power load curve according to the data, compare the power load curve with historical power load curves of different circuits stored in the storage unit 102 of the circuit breaker, identify a currently operating circuit, and determine whether the circuit is a preset circuit corresponding to a preset time period.
In a specific embodiment, the preset threshold is 200V, the number information of the connection interface of the currently operating circuit is 2, and the number information of the connection interface of the preset circuit corresponding to the preset time period is 2. The circuit breaker obtains the current working circuit voltage, judges whether the voltage exceeds 200V or not, after the voltage exceeds 200V, the circuit breaker obtains the number information 2 of the circuit, compares the number information with the number information of the preset circuit, confirms that the number information and the number information are matched, and then determines that the current working circuit is the preset circuit corresponding to the preset time period.
In another specific embodiment, the preset threshold is 200V, the number information of the connection interface of the currently operating circuit is 1, and the number information of the connection interface of the preset circuit corresponding to the preset time period is 2. The circuit breaker obtains the current working circuit voltage, judges whether the voltage exceeds 200V, after the voltage exceeds 200V, the circuit breaker obtains the number information 1 of the circuit, compares the number information with the number information of the preset circuit, confirms that the number information and the number information are not matched, and then determines that the current working circuit is not the preset circuit corresponding to the preset time period.
S203: the initial state is maintained.
After determining that the current time is not in the preset time period, the main control unit 101 of the circuit breaker maintains an initial state, acquires the current time at a preset frequency, and judges whether the current time is in the preset time period.
The frequency of the main control unit 101 acquiring the current time may be 1 second/time, 1 minute/time, or may also be 1 hour/time, and a user may set the frequency according to the needs of the user, which is not described herein.
In a specific implementation scenario, the preset frequency is 10 minutes/time, the main control unit 101 maintains the initial state after determining that the current time is not within the preset time period, the main control unit 101 performs timing through a clock included therein, and acquires the current time again after the timing reaches 10 minutes, and determines whether the time is within the preset time period.
S204: the circuit is opened.
After determining that the currently operating circuit is a preset circuit, the main control unit 101 sends an instruction to the switch unit 103 to turn off the circuit, and the switch unit 103 turns off the circuit after receiving the instruction.
Referring to fig. 3, fig. 3 is a schematic structural diagram of another embodiment of the circuit breaker of the present invention. The circuit breaker of the present invention is further explained with reference to fig. 3.
The circuit breaker of the embodiment further comprises a communication unit 104 besides the main control unit 101, the storage unit 102 and the switch unit 103, wherein the communication unit 104 is used for acquiring and transmitting information, and the main control unit 101 realizes man-machine interaction through the communication unit 104.
The main control unit 101 is electrically connected to the communication unit 104.
In this embodiment, the communication unit 104 may be a device capable of acquiring and transmitting a user instruction, such as WiFi, bluetooth, or a touch screen, which is not described herein.
In order to prevent the circuit breaker from turning off the circuit when unnecessary, before the main control unit 101 acquires the current time, a user inputs an instruction for starting the circuit breaker through the communication unit 104, after the communication unit 104 acquires the instruction, the instruction is transmitted to the main control unit 102, after the main control unit 102 receives the instruction, the instruction is compared with a preset instruction prestored in the storage unit 102, whether the instruction is the preset instruction or not is judged, and if the instruction is the preset instruction, the main control unit 102 executes the step of acquiring the current time. And if the current time is not the preset instruction, the step of acquiring the current time is not executed.
The working flow of the circuit breaker of this embodiment, after acquiring the user instruction and acquiring the current time according to the instruction, acquiring the current time and determining whether the currently working circuit is the preset circuit by the circuit breaker, is the same as the above embodiment, and is not described herein again.
In this embodiment, the switch unit 103 further includes at least one branch switch 1031 and a driving motor 1032 connected to the branch switch 1031, the branch switch 1031 connected to each driving motor 1032 is different, each circuit is connected to at least one branch switch 1031, and the branch switch 1031 connected to each circuit is different, the branch switch 1031 connected to each circuit controls the on and off of the circuit, and the driving motor 1032 drives the on and off of the branch switch 1031.
After determining that the currently working circuit is a preset circuit, the main control unit 101 of the circuit breaker searches and determines the branch switch 1031 connected to the circuit and the driving motor 1032 correspondingly connected to the branch switch 1031, and sends a first starting instruction to the corresponding driving motor 1032, and the driving motor 1032 works after receiving the first starting instruction, pushes the branch switch 1031 to be disconnected, so that the currently working circuit is disconnected.
The switched-off circuit information is processed in order to facilitate the user to view it. After the circuit breaker controls the driving motor 1032 to drive the currently operating circuit to be disconnected, the main control unit 101 records the name and number of the currently disconnected circuit and related information such as the voltage and current of the circuit in the storage unit 102, and sends the information to a preset user through the communication unit 104.
In this embodiment, after the main control unit 101 sends the circuit information of the turn-off to the preset user through the communication unit 104, the main control unit may further receive a turn-on instruction sent by the user through the communication unit 104, and control the sub-switch 1031 on the corresponding circuit to be closed according to the turn-on instruction, so as to turn on the circuit.
The circuit that the main control unit 101 turns on according to the instruction of the user may be a preset circuit or may not be a preset circuit, and only the circuit breaker needs to control the circuit to be turned on or off, which is not limited herein.
In other embodiments, after confirming that the currently operating circuit is the preset circuit, the main control unit 101 may not immediately turn off the circuit, and may also first send information such as the name, number, voltage, current, and the like of the currently operating circuit to the user, obtain an instruction returned by the user through the communication unit 104, and turn off the circuit or maintain the on state according to the instruction.
In a specific implementation scenario, the currently operating circuit is a circuit No. 2, the voltage of the circuit No. 2 before being turned off is 220V, and the current is 0.1A, after the main control unit 101 of the circuit breaker determines that the circuit No. 2 is a preset circuit corresponding to a preset time period, the main control unit 103 is controlled to turn off the circuit No. 2, information such as the voltage and the current before the circuit No. 2 is turned off is sent to a user through the internet through the communication unit 104, and corresponding processing is performed according to an instruction returned by the user.
In another specific implementation scenario, the currently operating circuit is the circuit No. 2, the voltage of the circuit No. 2 before shutdown is 220V, and the current is 0.1A, after the main control unit 101 of the circuit breaker determines that the circuit No. 2 is the preset circuit corresponding to the preset time period, the main control unit 104 sends information such as the voltage and the current of the circuit No. 2 to the user through the internet, receives a shutdown instruction returned by the user, and disconnects the circuit No. 2 according to the shutdown instruction.
After the main control unit 101 of the circuit breaker determines that the currently operating circuit is not the preset circuit, the currently operating circuit is not processed, so that the currently operating circuit maintains an operating state, the current time is obtained at the preset frequency, and whether the current time is within the preset time period or not is judged.
Has the advantages that: according to the invention, the current time is obtained through the breaker, whether the current time is in the preset time period or not is judged, if yes, whether the current working circuit is the preset circuit corresponding to the preset time period or not is judged, the current working circuit is processed according to the judgment result, and the on-off of different circuits can be controlled according to different time periods, so that the problem that a user forgets to turn off the circuit is avoided, the power consumption loss is reduced, and the purpose of saving power is realized.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. A circuit breaker, characterized in that the circuit breaker comprises: a main control unit (101), a storage unit (102) and a switch unit (103), wherein the main control unit (101) is respectively electrically connected with the storage unit (102) and the switch unit (103),
the storage unit (102) is used for storing a preset time period, a preset circuit corresponding to the preset time period and a preset instruction;
the switch unit (103) is used for controlling the on-off of a circuit connected with the circuit breaker;
the main control unit (101) judges whether the current time is in a preset time period or not by acquiring the current time;
if yes, judging whether the current working circuit is a preset circuit corresponding to the preset time period;
if yes, controlling the switch unit (103) to disconnect the circuit;
the circuit breaker further comprises a communication unit (104), wherein the communication unit (104) is electrically connected with the main control unit (101) and used for acquiring and transmitting information, the main control unit (101) realizes man-machine interaction through the communication unit (104), the main control unit (101) acquires current time, and whether the current time is in a preset time period or not is judged, and the method further comprises the following steps: the main control unit (101) acquires an instruction through the communication unit (104), and judges whether the instruction is a preset instruction or not; if yes, the main control unit (101) executes the step of obtaining the current time through the breaker;
the main control unit (101) further comprises, after the step of disconnecting the circuit by the switch unit (103): the main control unit (101) stores the information of the circuit in the storage unit (102) and sends the information to a preset user through the communication unit (104);
the switch unit (103) is connected with at least one circuit, and the main control unit (101) detects at least one of voltage and current signals of each circuit and judges whether the signals exceed a preset threshold value; if yes, determining that the circuit is in a working state currently;
the main control unit (101) compares a currently working circuit with a preset circuit and judges whether the currently working circuit and the preset circuit are matched;
if so, determining the current working circuit as a preset circuit;
if not, determining that the current working circuit is not a preset circuit;
the switch unit (103) comprises at least one branch switch (1031), and each circuit is connected with at least one branch switch (1031);
the step of the main control unit (101) controlling the switch unit (103) to disconnect the circuit specifically comprises:
after the main control unit (101) determines that a currently working circuit is a preset circuit, a disconnection instruction is sent to the switch unit (103), and after the switch unit (103) receives the disconnection instruction, the branch switch (1031) connected with the circuit is controlled to be disconnected, so that the circuit is disconnected;
the switching unit (103) further comprising at least one drive motor (1032), the partial switch (1031) being connected to the drive motor (1032),
the step of controlling the disconnection of the sub-switch (1031) of the circuit connection specifically includes:
the main control unit (101) sends the disconnection instruction containing a first starting instruction to the switch unit (103), and the driving motor (1032) works after receiving the first starting instruction and pushes the branch switch (1031) to be disconnected.
2. The circuit breaker of claim 1, wherein the predetermined time period is at least one of a work hour, a morning, a day, a night, and a holiday.
3. The circuit breaker of claim 1, wherein the master control unit (101) obtains the current time through at least one of a time chip, the internet, and a smart terminal.
4. The circuit breaker of claim 1, wherein said step of transmitting said information to a predetermined user via said communication unit (104) further comprises, after said step of:
and receiving a starting instruction sent by a preset user, and starting the circuit according to the starting instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910346234.4A CN110011269B (en) | 2019-04-26 | 2019-04-26 | Circuit breaker |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910346234.4A CN110011269B (en) | 2019-04-26 | 2019-04-26 | Circuit breaker |
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| CN110011269A CN110011269A (en) | 2019-07-12 |
| CN110011269B true CN110011269B (en) | 2021-05-07 |
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| CN201910346234.4A Expired - Fee Related CN110011269B (en) | 2019-04-26 | 2019-04-26 | Circuit breaker |
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| CN104734142A (en) * | 2013-12-21 | 2015-06-24 | 中建四局安装工程有限公司 | Construction site power utilization period and overload controlling method and power distribution device |
| CN204205594U (en) * | 2014-11-10 | 2015-03-11 | 广东佛电电器有限公司 | Limit for tonnage circuit breaker at times |
| CN108270286A (en) * | 2016-12-30 | 2018-07-10 | 孙麓轩 | Low-voltage distribution system and control method |
| CN107425522A (en) * | 2017-06-30 | 2017-12-01 | 合肥贺财工程项目管理有限公司 | A kind of factory building intelligent power management control system |
| CN109361266A (en) * | 2018-10-17 | 2019-02-19 | 广州智慧云联科技有限公司 | A kind of intelligent house management system, control method, electronic equipment and storage medium |
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| CN110011269A (en) | 2019-07-12 |
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