CN221282016U - Intelligent circuit breaker based on Internet of things - Google Patents
Intelligent circuit breaker based on Internet of things Download PDFInfo
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- CN221282016U CN221282016U CN202322984983.4U CN202322984983U CN221282016U CN 221282016 U CN221282016 U CN 221282016U CN 202322984983 U CN202322984983 U CN 202322984983U CN 221282016 U CN221282016 U CN 221282016U
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Abstract
The utility model discloses an intelligent circuit breaker based on the Internet of things, which comprises an electric operation unit and a body unit; the electric operation unit comprises a PCBA main board, a buzzer, an indicator lamp, an antenna and a communication interface, wherein the PCBA main board comprises a plurality of functional modules, and the functional modules comprise a processing unit, a memory, a communication module and an AFD fault arc micro-processing unit module; the body unit comprises an electricity taking plate, a circuit breaker mechanism and an outgoing line end cavity body, wherein the outgoing line end cavity body is sequentially connected with a current transformer, a residual current transformer, a fault arc transformer and an NTC temperature measuring plate, and each transformer and each NTC temperature measuring plate are respectively connected with the PCBA main board through a plug-in terminal seat; the AFD fault arc micro-processing unit module, the communication module, the memory, the indicator lamp and the buzzer are respectively connected with the processing unit, and the communication module is also respectively connected with the antenna, the communication interface and an external cloud platform; the effect is that: realize audible and visual alarm and the function of local storage data.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to an intelligent circuit breaker based on the Internet of things.
Background
With the development of the technology of the internet of things and the increasing requirements of people on electrical safety, the hardware function and the software function of the circuit breaker of the internet of things are rapidly developed.
Most of the current IOT circuit breakers comprise an electric operation part and a body part, and manufacturers develop IOT circuit breakers combining the electric operation part and the body mechanism, but the IOT circuit breakers are required to exchange data and remotely control with an IOT cloud platform through an external gateway, and the IOT circuit breakers have some basic functions, because of the limitation of volume space and great design difficulty, the functions are integrated singly, and particularly have no functions of audible and visual alarm and no function of locally storing data.
Disclosure of utility model
In view of the above, the utility model provides an intelligent circuit breaker based on the Internet of things, which solves the defects that the prior art does not have audible and visual alarm and does not have a function of locally storing data.
The technical scheme adopted by the utility model is as follows: an intelligent circuit breaker based on the Internet of things comprises an electric operation unit and a body unit; the electric operation unit comprises a PCBA main board, a buzzer, an indicator light, an antenna and a communication interface for connecting an external upper computer, wherein the PCBA main board comprises a plurality of functional modules, and the functional modules comprise a processing unit, a memory, a communication module and an AFD fault arc micro-processing unit module;
The body unit comprises an electricity taking plate, a circuit breaker mechanism and an outgoing line end cavity body, wherein a current transformer, a residual current transformer, a fault arc transformer and an NTC temperature measuring plate are sequentially connected in the outgoing line end cavity body, and each transformer and each NTC temperature measuring plate are respectively connected with a corresponding functional module on the PCBA main board through a plug-in terminal seat;
The AFD fault arc micro-processing unit module, the communication module, the memory, the indicator lamp and the buzzer are respectively connected with the processing unit, and the communication module is also respectively connected with the antenna, the communication interface and an external cloud platform.
Preferably, the communication module and the AFD fault arc micro-processing unit module are connected with the PCBA main board in a pluggable mode.
Preferably, the fault arc transformer is arranged in the cavity of the wire outlet end through a group of double-frequency transformers formed by overlapping an 80KHz self-resonant low frequency and a 20MHz self-resonant high frequency.
Preferably, the functional module further comprises an ADC protection power supply, an electric operating mechanism executing module, a metering micro-processing unit module and a temperature measuring module;
The ADC protection power supply is connected with the power taking plate, the electric operating mechanism execution module is connected with the circuit breaker mechanism, the metering micro-processing unit module is connected with the current transformer and the residual current transformer, the fault arc transformer is connected with the AFD fault arc micro-processing unit module, and the temperature measuring module is connected with the NTC temperature measuring plate;
The ADC protection power supply, the electric operating mechanism executing module, the metering micro-processing unit module and the temperature measuring module are also respectively connected with the processing unit.
Preferably, the PCBA motherboard further comprises an adapter board and a power supply driving board, wherein the adapter board comprises a key, a display screen and a change-over switch, and is connected with the processing unit through PFC, and is connected with the power supply driving board through pin header bus bars.
Preferably, the electric operation unit comprises an electric operation shell, wherein the electric operation shell is provided with a sound hole, and the sound hole is opposite to the buzzer and is used for transmitting early warning and alarming sounds.
Preferably, the electric operation unit further comprises a pulling pin header, the body unit further comprises a pulling pin header device, and the pulling pin header device are used for providing power supply and communication connection when being used for pulling intelligent circuit breakers based on the Internet of things in the same series.
Preferably, the communication interface comprises an RS485 interface and an RJ45 interface.
Preferably, the electric operation unit further comprises a SIM/SD card slot, wherein the SIM/SD card slot is used for expanding local storage and is used for plugging an SRAM or Flash type memory.
By adopting the technical scheme, the method has the following advantages: the intelligent circuit breaker based on the Internet of things has high integration level, integrates the technologies of fault arc detection, audible and visual alarm, memory, man-machine interaction and the like in a limited volume, and stores control parameters set by a cloud platform or an upper computer into a local memory through a communication interface and a communication module, so that the intelligent circuit breaker can independently operate for a long time under the condition of being separated from the cloud platform, and the protection performance of electricity safety is further improved;
Meanwhile, due to the realization of the local storage function of the audible and visual alarm and the application of the metering micro-processing unit module and the temperature measuring module, the multifunctional intelligent alarm system can also be used as an electric fire detection protector, a fault arc detection protector and an ammeter to realize multiple functions, so that other products of the same type are not required to be repeatedly installed, and the cost input of a user is reduced.
Drawings
Fig. 1 is a schematic block diagram of an intelligent circuit breaker based on the internet of things, which is provided by the embodiment of the utility model;
Fig. 2 is a schematic structural diagram of an intelligent circuit breaker based on the internet of things according to an embodiment of the present utility model;
Fig. 3 is a front view of an intelligent circuit breaker based on the internet of things, which is provided by the embodiment of the utility model;
FIG. 4 is a schematic connection diagram of an AFD fault arc micro-processing unit module according to an embodiment of the present utility model;
fig. 5 is a right side view of an intelligent circuit breaker based on the internet of things, which is provided by the embodiment of the utility model.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present utility model more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments, which are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.
It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs.
Referring to fig. 1 to 5, an intelligent circuit breaker based on the internet of things includes an electric operation unit 101 and a body unit 102; the electric operation unit comprises a PCBA main board, a buzzer, an indicator light, an antenna and a communication interface for connecting an external upper computer, wherein the PCBA main board comprises a plurality of functional modules, and the functional modules comprise a processing unit, a memory, a communication module and an AFD fault arc micro-processing unit module;
The body unit comprises an electricity taking plate, a circuit breaker mechanism and an outgoing line end cavity body, wherein a Current Transformer (CT), a Residual Current Transformer (RCT), a fault arc transformer (F-CT) and an NTC temperature measuring plate (R) are sequentially connected in the outgoing line end cavity body, and each transformer and each NTC temperature measuring plate (R) are respectively connected with a corresponding functional module on the PCBA main board through a plug-in terminal seat;
The AFD fault arc micro-processing unit module, the communication module, the memory, the indicator lamp and the buzzer are respectively connected with the processing unit, and the communication module is also respectively connected with the antenna, the communication interface and an external cloud platform.
When the communication interface is applied, the communication interface comprises an RS485 interface and an RJ45 interface; the RJ45 interface can be plugged with a network cable for network communication, can be expanded and converted into a digital IO port through an external adapter plug-in unit, has a DI/DO function, and can be further linked with an external fire protection system IO; the cloud platform of the embodiment adopts an IOT cloud platform; the processing unit adopts an MCU micro-processing unit;
The upper computer connected with the IOT cloud platform, the APP or the RS485 interface can set a timing switching-on rule and a current limiting rule, all set system parameters and control rules are stored in a local memory, and independent operation can be realized for a long time under the condition of being separated from the IOT platform.
When the PCBA main board is implemented, the PCBA main board also comprises an adapter board and a power supply driving board, wherein the adapter board comprises keys, a display screen and a change-over switch, is connected with the processing unit through PFC, and is connected with the power supply driving board through pin header bus bars; meanwhile, the electric operating unit also comprises an indicator lamp;
The electric operation unit comprises an electric operation shell, wherein the electric operation shell is provided with a sound hole, and the sound hole is opposite to the buzzer and is used for transmitting early warning and alarming sounds;
The electric operation unit further comprises a pulling pin header, the body unit further comprises a pulling pin header device, and the pulling pin header device are used for providing power and communication connection when being used for pulling the same series of intelligent circuit breakers based on the Internet of things;
the electric operation unit also comprises a SIM/SD card slot, wherein the SIM/SD card slot is used for expanding local storage and is used for plugging an SRAM or Flash type memory;
The functional module further comprises an ADC protection power supply, an electric operating mechanism executing module, a metering micro-processing unit module and a temperature measuring module;
The ADC protection power supply is connected with the power taking plate, the electric operating mechanism execution module is connected with the circuit breaker mechanism, the metering micro-processing unit module is connected with the Current Transformer (CT) and the Residual Current Transformer (RCT), the fault arc transformer (F-CT) is connected with the AFD fault arc micro-processing unit module, and the temperature measuring module is connected with the NTC temperature measuring plate (R);
The ADC protection power supply, the electric operating mechanism executing module, the metering micro-processing unit module and the temperature measuring module are also respectively connected with the processing unit.
In summary, the PCBA motherboard includes a control board, a power driving board, an adapter board, a communication module board, and an AFD fault arc board, which are connected by pin header bus bars, and corresponding functional modules are deployed; for convenience of description, the control board is denoted by P1, the power supply driving board is denoted by P2, the adapter board is denoted by P3, the communication module board is denoted by P4, the AFD fault arc board is denoted by P5, the power taking board is denoted by P6, and the NTC temperature measuring board is denoted by P7.
In the embodiment, the buzzer and the indicator lamp are used for feeding back various early warning and alarming in real time in the implementation of the utility model, and meanwhile, early warning and alarming data are uploaded to the IOT cloud platform through the communication module; the communication module and the AFD fault arc micro-processing unit module are connected with the PCBA main board in a pluggable mode;
The memory is used for expanding and storing historical data such as logs, alarm events, metering and the like, and an independent memory and an embedded eporom type memory are adopted; the external SIM/SD card slot can expand local storage, and the implementation mode can be a memory of the types of sram, flash and the like;
Preferably, the fault arc transformer (F-CT) is a group of double-frequency transformers (namely, a low-frequency transformer and a high-frequency transformer) formed by overlapping an 80KHz self-resonant low frequency and a20 MHz self-resonant high frequency, and is placed in the cavity of the wire outlet end, and the center passes through the live wire to provide detection current signal data for the AFD fault arc micro-processing unit module;
The AFD fault arc micro-processing unit module is a pluggable module, is fixedly inserted on a PCBA main board busbar through a pin header, comprises an AFD fault arc microprocessor and a peripheral circuit, can detect abnormal arcs such as series arcs, parallel arcs, short-circuit arcs and the like in a circuit in real time through a register configuration self-checking function, and feeds back to the MCU micro-processing unit;
The MCU micro-processing unit comprises a singlechip processor with more than 32 bits and a peripheral circuit, realizes real-time communication with the metering micro-processing unit module, the AFD fault arc micro-processing unit module, the communication module, the pulling assembly and the RS485 interface equipment in a serial port mode, and invokes a memory to store data in real time;
The communication module is a pluggable universal module, and an eSIM card is arranged in the default 4G communication module; the universal bus bar is fixed on the PCBA main board through pin-arranging insertion, comprises a communication module and an external circuit, can be in a 4G/5G, wifi, loRa communication mode and can be accommodated under the space limitation, can be inserted into a corresponding communication module according to the requirement, and can improve the strength and the stability of signals through an external gain antenna;
The adapter plate comprises keys, a display screen and a change-over switch, and the change-over circuit is connected with the control panel through PFC and is connected with the power supply driving board through the pin row bus.
The buzzer is integrated on the PCBA main board and can be a patch type or a plug-in type;
the indicator lamp consists of an operation indicator lamp, a fault indicator lamp and an alarm indicator lamp;
the key consists of a silencing key, a confirmation/setting key, a return key, an upturning key, a downturning key and a test T key
The pulling pin header device and the pulling pin header are 8pin slidable pin header devices which comprise an RS485 chip, a peripheral circuit, a 12V direct current power supply and a ground wire and are used for power supply and communication when the same-series Internet of things circuit breakers are pulled; when other Internet of things circuit breakers in the same series need to be pulled, the sliding pin arrangement device is pushed out and inserted into another parallel Internet of things circuit breaker pulling female jack, and power supply and communication connection are provided.
The electric operating mechanism executing module comprises a 12V direct current motor, a gear set, a limit micro switch and a tripping connecting rod, is synchronously connected with the circuit breaker operating mechanism through a connecting shaft, isolates an IO driving motor through an MCU micro processing unit and can be used for self-closing and remote control of alarm opening and recovery closing events; when the manual opening and closing actions are performed, the tripping connecting rod and the gear set in the electric operating mechanism executing module are driven by the connecting shaft to drive the limit micro switch, and the opening and closing state is indicated to the PCBA main board functional module; similarly, when the remote control or the pre-alarm brake opening and closing action is performed, the electric operating mechanism executing module drives the connecting shaft to drive the breaker operating mechanism to synchronously cooperate to realize brake opening and closing, and the limit micro switch synchronously feeds back the switch state.
The metering micro-processing unit comprises a metering chip, real-time communication is carried out with the MCU micro-processing unit module through an SPI serial port, the metering micro-processing unit is connected with a Current Transformer (CT) through a PCBA main board socket terminal, a Residual Current Transformer (RCT) is connected, and the transformation ratio of the current transformer is 2000:1, the transformation ratio of the residual current transformer is 1000:1.
The RS485 interface comprises an RS485 chip and a peripheral circuit, is the same as the RS485 circuit of the pulling assembly, but is respectively independent of the RS485 chip, a master-slave mode is selected through key setting, the RS485 interface can be used for accessing an upper computer system when being used as a slave, and other standard ModbusRTU communication equipment is pulled when being used as a host;
Furthermore, the ADC protection power supply comprises a flyback power supply circuit, a voltage reduction circuit, an anti-surge power supply and a power supply of 18W, 12V, 5V, 3.3V and 3.8V for an electric operation unit, so that the power supply of the PCBA main board can be ensured, and a part of driving power supply is provided for the pulling communication equipment.
Further, the temperature measuring module comprises a temperature measuring circuit, is connected to the MCU micro-processing unit through an analog channel, and collects phase line temperature data through an NTC temperature measuring plate (R) thermistor.
Furthermore, the change-over switch is used for directly controlling the functional circuits of the communication module and the MCU by a hardware circuit, is used for switching maintenance and working modes, and is used for ensuring that remote control and closing are not possible in maintenance. The safety protection device is used for safety protection during overhaul.
Further, the body unit also includes some general components for common circuit breaking, and has all functions of the common circuit breaker, which is not described herein.
The electric operation unit 101 and the body unit 102 are riveted through solid rivets, the wiring terminal 9 is used for connecting an alternating current or direct current power supply lower than 380V, the upper end is an incoming wire, the lower end is an outgoing wire, the power taking plate is connected with the phase line through a power taking plate cavity, and the power supply is protected by the ADC to supply power for the electric operation unit 101; the PE interface 14 is connected with an ADC protection power supply, and an external ground wire is communicated with the ground and used for grounding lightning protection and surge protection; the pulling pin header 7 is an 8pin slidable pin header interface device, and when other internet of things breakers of the same series need to be pulled, the sliding pin header interface device is pushed out and inserted into another parallel internet of things breaker pulling female jack to provide power and communication connection. The SIM/SD card slot 11 may be used to extrapolate a SIM card and a SD card for operator data service and extended storage capacity, and the antenna 5 may be a rod antenna or a linear antenna for gain of communication signals. The buzzer sound hole 11 is a through hole on the shell and is opposite to the buzzer and used for transmitting early warning and alarming sounds;
When the intelligent circuit breaker is normally electrified, the running indicator lamp 1-1 is normally on, the flashing indicator is provided when data transmission exists, the fault indicator lamp 1-2 is indicated when the system self-tests the running fault, the alarm indicator lamp 1-3 is indicated when the system pre-alarms, and the alarm indicator lamp 1-1 is matched with the buzzer pre-alarm to form an audible and visual alarm system; the display screen 3 is used for checking display system parameters and real-time data through the return key 2-2, the setting/confirming key 2-3, the upturning key 2-5 and the downturning key 2-6, storing historical data and setting timing, current limiting, system parameters and the like; the silencing button 2-1 can be used for silencing a buzzer early warning alarm event, the test T button 2-4 is used for testing the leakage switching-off function of the internal leakage test circuit, when the test T button 2-4 is pressed, the internal test circuit 25ma leakage value is generated, the breaker operating mechanism 6 is tripped and switched off, and at the moment, the leakage function is indicated to be normal, otherwise, the leakage function fails. The dashed box indicates that the position of the cavity 8 at the outlet end of the body unit 102 is used for placing a Residual Current Transformer (RCT), a Current Transformer (CT), a fault arc transformer (F-CT) and an NTC temperature measuring plate (R), and is connected with each functional module on the PCBA motherboard through a socket connector for providing collected signal data.
In order to save space, save assembly cost and facilitate maintenance, the communication module board P4 and the AFD fault arc board P5 are in pin and bus arrangement design and are installed on the control board P1 in a plug-in mode. The control panel P1 is connected with the power supply driving board P2 through the adapter board P3, the electricity taking board P6 and the temperature measuring board P7 are connected with the power supply driving board, and the RJ45 interface 12, the RS485 interface, the SIM/SD card slot 11 and the antenna interface 16 are matched according to the structures of the body unit 102 and the electric operation unit 101; the buzzer, the MCU micro-processing unit, the memory and the temperature measuring module are distributed on the control panel P1, in order to avoid the interference of an integrated circuit and the strong electric shock, the ADC protection power supply and the electric operating mechanism executing module are arranged on the power supply driving panel P2, and the Residual Current Transformer (RCT), the transformer (CT) and the fault arc transformer (F-CT) are connected to the power supply driving panel P2 through integrated socket terminals and are connected with the functional module through the adapter plate P3.
In order to facilitate understanding, the implementation mode of the technical scheme of the utility model is further introduced through application scenes. The utility model is used as a power gateway integrated general open type product, and periodically and automatically performs function self-checking, leakage function self-checking and fault arc function self-checking;
Under normal conditions, each functional module of the utility model enters a normal working state, an electric operating mechanism executing module indicates the state of opening and closing in real time, and a metering micro-processing unit module collects metering related data including current, voltage, power, electric energy and residual current data through a Current Transformer (CT) according to the frequency of a metering chip; the temperature measuring module collects NTC analog values of a zero line and a fire wire in real time through an NTC temperature measuring plate P7; the AFD fault arc micro-processing unit module collects and analyzes fault arc (F-CT) collected current signals in real time; the acquired data are subjected to real-time data exchange with the MCU micro-processing unit through the serial port, the display screen displays information, the running indicator lamp 1-1 starts normal operation, at the moment, the MCU micro-processing unit acquires data from the system setting rules and the function modules in real time, and safety information such as overvoltage, undervoltage, overload, overtemperature, arc faults, residual current, short circuit and the like is monitored in real time;
when the program function self-check, the electric leakage function self-check and the fault arc function self-check are periodically and automatically carried out, the fault indicator lamp 1-2 indicates and sends a fault state and a reason to the cloud platform through the communication module;
When the utility model triggers pre-alarming such as overvoltage and undervoltage, overload, over-temperature, arc fault, residual current, short circuit and the like in the using process, two states are generated, one is state alarming, and the other is state alarming and switching off; the alarm indicator lamp 1-3 indicates and calls the buzzer to give out sound alarm, and the panel silencing button 2-2 can silence an alarm event; in addition, in another embodiment, on the basis of the scheme, a linkage control line of an external fire protection system can be connected with the RJ45 interface 12 through an RJ45 adapter, the fire protection system can control the utility model to perform forced opening and forced closing, sound and light alarm is sent out, and meanwhile, a fire protection linkage control event is reported to the IOT cloud platform;
Meanwhile, the upper computer connected with the IOT cloud platform, the APP or the RS485 interface can set timing switching on/off and can also set current limiting, and all the settings are stored in the local memory no matter which parameters and rules are set, so that the IOT cloud platform can be separated from independent operation.
The intelligent circuit breaker based on the Internet of things has high integration level, integrates the technologies of fault arc detection, audible and visual alarm, memory, man-machine interaction and the like in a limited volume, and stores control parameters set by a cloud platform or an upper computer into a local memory through a communication interface and a communication module, so that the intelligent circuit breaker can independently operate for a long time under the condition of being separated from the cloud platform, and the protection performance of electricity safety is further improved;
Meanwhile, due to the realization of the local storage function of the audible and visual alarm and the application of the metering micro-processing unit module and the temperature measuring module, the multifunctional intelligent alarm system can also be used as an electric fire detection protector, a fault arc detection protector and an ammeter to realize multiple functions, so that other products of the same type are not required to be repeatedly installed, and the cost input of a user is reduced.
It should be noted that the functions, algorithms, methods, etc. related to the present utility model are merely conventional adaptive applications of the prior art. The utility model is therefore an improvement over the prior art in that the essence is the connection between the hardware, not the function, algorithm, method itself.
Finally, it should be noted that the above description is only specific embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any changes or substitutions that may be easily contemplated by those skilled in the art within the technical scope of the present utility model should be included in the scope of the present utility model.
Claims (9)
1. An intelligent circuit breaker based on the Internet of things is characterized by comprising an electric operation unit and a body unit; the electric operation unit comprises a PCBA main board, a buzzer, an indicator light, an antenna and a communication interface for connecting an external upper computer, wherein the PCBA main board comprises a plurality of functional modules, and the functional modules comprise a processing unit, a memory, a communication module and an AFD fault arc micro-processing unit module;
The body unit comprises an electricity taking plate, a circuit breaker mechanism and an outgoing line end cavity body, wherein a current transformer, a residual current transformer, a fault arc transformer and an NTC temperature measuring plate are sequentially connected in the outgoing line end cavity body, and each transformer and each NTC temperature measuring plate are respectively connected with a corresponding functional module on the PCBA main board through a plug-in terminal seat;
The AFD fault arc micro-processing unit module, the communication module, the memory, the indicator lamp and the buzzer are respectively connected with the processing unit, and the communication module is also respectively connected with the antenna, the communication interface and an external cloud platform.
2. The intelligent circuit breaker based on the internet of things according to claim 1, wherein the communication module and the AFD fault arc micro-processing unit module are connected with the PCBA motherboard in a pluggable manner.
3. The intelligent circuit breaker based on the internet of things according to claim 1, wherein the fault arc transformer is placed in the outlet end cavity through a group of double-frequency transformers consisting of an 80KHz self-resonant low frequency and a 20MHz self-resonant high frequency.
4. The intelligent circuit breaker based on the internet of things according to claim 3, wherein the functional module further comprises an ADC protection power supply, an electric operating mechanism executing module, a metering micro-processing unit module and a temperature measuring module;
The ADC protection power supply is connected with the power taking plate, the electric operating mechanism execution module is connected with the circuit breaker mechanism, the metering micro-processing unit module is connected with the current transformer and the residual current transformer, the fault arc transformer is connected with the AFD fault arc micro-processing unit module, and the temperature measuring module is connected with the NTC temperature measuring plate;
The ADC protection power supply, the electric operating mechanism executing module, the metering micro-processing unit module and the temperature measuring module are also respectively connected with the processing unit.
5. The intelligent circuit breaker based on the internet of things according to claim 1, wherein the PCBA main board further comprises an adapter board and a power supply driving board, wherein the adapter board comprises keys, a display screen and a change-over switch, is connected with the processing unit through PFC, and is connected with the power supply driving board through pin header.
6. The intelligent circuit breaker based on the internet of things according to any one of claims 1 to 5, wherein the electric operation unit comprises an electric operation shell, and sound holes are formed in the electric operation shell and are opposite to the buzzer and used for transmitting early warning and alarming sounds.
7. The intelligent circuit breaker based on the internet of things according to claim 6, wherein the electric operation unit further comprises a pull-in pin header, the body unit further comprises a pull-in pin header device, and the pull-in pin header device and the pull-in pin header are used for providing power and communication connection when the intelligent circuit breaker based on the internet of things in the same series is pulled in.
8. The intelligent circuit breaker based on the internet of things according to claim 1, wherein the communication interface comprises an RS485 interface and an RJ45 interface.
9. The intelligent circuit breaker based on the internet of things according to claim 1, wherein the electrical operation unit further comprises a SIM/SD card slot, the SIM/SD card slot is used for expanding a local storage and is used for plugging an SRAM or Flash type memory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322984983.4U CN221282016U (en) | 2023-11-06 | 2023-11-06 | Intelligent circuit breaker based on Internet of things |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322984983.4U CN221282016U (en) | 2023-11-06 | 2023-11-06 | Intelligent circuit breaker based on Internet of things |
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| CN221282016U true CN221282016U (en) | 2024-07-05 |
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| CN202322984983.4U Active CN221282016U (en) | 2023-11-06 | 2023-11-06 | Intelligent circuit breaker based on Internet of things |
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- 2023-11-06 CN CN202322984983.4U patent/CN221282016U/en active Active
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