CN210404703U - Internet of things control circuit breaker - Google Patents
Internet of things control circuit breaker Download PDFInfo
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- CN210404703U CN210404703U CN201921110123.5U CN201921110123U CN210404703U CN 210404703 U CN210404703 U CN 210404703U CN 201921110123 U CN201921110123 U CN 201921110123U CN 210404703 U CN210404703 U CN 210404703U
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- circuit breaker
- breaker body
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Abstract
The utility model relates to a thing networked control circuit breaker, it includes the circuit breaker body, this internal control scheme board that is equipped with of circuit breaker, the control scheme board includes: a main control chip; the metering circuit is electrically connected with the main control chip and is used for detecting data at least containing power consumption of the circuit breaker body in real time; the communication circuit is electrically connected with the main control chip and transmits the data of the circuit breaker body to another device; supply circuit, be connected with the power electricity of circuit breaker this somatic part, thereby make at least one in electric current can be used to measurement circuit and communication circuit, integrated measurement and communication function on the circuit breaker, can directly acquire the power consumption isoparametric of current circuit breaker place branch road in real time, the person of facilitating the use can know the power consumption condition in each room, and can realize looking over functions such as online, realize the multi-functional design of circuit breaker, make it not only use as a circuit breaker.
Description
Technical Field
The utility model belongs to miniature electric leakage circuit breaker field, concretely relates to thing networked control circuit breaker.
Background
A miniature leakage circuit breaker, RCBO (Residual current operated circuit-breakers) is a terminal protection electrical appliance which is most widely used in a power distribution device of a building electrical terminal. The protection circuit is used for single-phase and three-phase short circuit, overload, electric leakage and the like below 125A, and comprises five types of a single pole 1P + N, a two pole 2P, a three pole 3P, a four pole 3P + N, a four pole 4P and the like.
The miniature leakage circuit breaker is a widely used switching apparatus in a low-voltage distribution system, bears terminal distribution lines, and is particularly important for monitoring and protecting power utilization loops and electrical equipment in houses, can be instantly connected and disconnected, and can handle electrical faults such as short circuits, grounding, overload, leakage and the like, and plays an important role in safety and stability of power supply and utilization.
Although the existing miniature residual current circuit breaker can realize multiple protection functions, the intelligent degree is low, most of the miniature residual current circuit breaker needs manual reset to realize power utilization switching-on, and the miniature residual current circuit breaker cannot intelligently identify load attributes and respond according to user requirements. When a user wants to know the self power consumption condition, the user can only inquire the whole power consumption of the house by installing the electric energy meter through a power grid company, cannot inquire the power consumption condition of each branch power consumption loop in a family in real time, and cannot conveniently and quickly remotely control the on-off of a certain power consumption loop.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a thing networked control circuit breaker.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a thing networked control circuit breaker, its includes the circuit breaker body, this internal control scheme board that is equipped with of circuit breaker, the control scheme board includes:
a main control chip;
the metering circuit is electrically connected with the main control chip and is used for detecting data at least containing power consumption of the circuit breaker body in real time;
the communication circuit is electrically connected with the main control chip and transmits the data of the circuit breaker body to another device;
and a power supply circuit electrically connected to the power source of the circuit breaker body portion so that the current is available for at least one of the metering circuit and the communication circuit.
The control circuit board comprises a driving circuit for controlling the opening and closing of the circuit breaker body.
The communication circuit is configured to transmit at least one of a closing state, an opening state, and a trip state of the circuit breaker body to the another device as data of the circuit breaker body.
The control circuit board includes:
and the opening and closing position detection circuit is electrically connected with the main control chip.
The control circuit board includes:
the leakage detection circuit is used for acquiring leakage current of the circuit breaker body in real time;
and the leakage control circuit switches the breaker body to a tripping state according to the acquired leakage current.
The metering circuit includes:
the voltage acquisition circuit acquires the voltage value of the circuit breaker body in real time;
the current acquisition circuit acquires the current value of the breaker body in real time;
and the metering chip is used for obtaining data containing power consumption according to the data acquired by the voltage acquisition circuit and the current acquisition circuit.
The control circuit board includes:
and the contact temperature detection circuit is electrically connected with the main control chip and comprises a plurality of sensors which are in contact with or not in contact with the contacts.
The control circuit board comprises a memory, and the memory is electrically connected with the main control chip.
The control circuit board comprises an operation state indicating circuit.
The utility model has the advantages that: the integrated measurement and the communication function on the circuit breaker can directly acquire the power consumption isoparametric of current circuit breaker place branch road in real time, and the person of facilitating the use can know the power consumption condition in each room, and can realize looking over the isoparametric on line, realizes the multi-functional design of circuit breaker, makes it not only use as a circuit breaker.
Drawings
Fig. 1 is a schematic circuit diagram of the main control chip of the present invention.
Fig. 2 is a schematic circuit diagram of the power supply circuit of the present invention.
Fig. 3 is a schematic circuit diagram of the driving circuit of the present invention.
Fig. 4 is a schematic circuit diagram of the opening/closing position detection circuit of the present invention.
Fig. 5 is a schematic circuit diagram of the metering chip of the present invention.
Fig. 6 is a schematic circuit diagram of the voltage acquisition circuit and the current acquisition circuit of the present invention.
Fig. 7 is a schematic circuit diagram of the leakage control circuit of the present invention.
Fig. 8 is a schematic circuit diagram of the leakage detection circuit of the present invention.
Fig. 9 is a schematic circuit diagram of the contact temperature detection circuit of the present invention.
Fig. 10 is a schematic circuit diagram of the memory according to the present invention.
Fig. 11 is a schematic circuit diagram of the operation status indicating circuit according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model discloses a thing networked control circuit breaker, it includes the circuit breaker body, and this circuit breaker body contains the necessary each mechanism of circuit breaker, this internal control scheme board that is equipped with of circuit breaker, the control scheme board includes:
the main control chip is used as a main controller, detection data or control signals of each circuit are received or sent by the main control chip, the main control chip can adopt a chip with 48 pins, the model is not limited, and STM32F103CBT6 can be adopted, but not limited to the chip;
the metering circuit is electrically connected with the main control chip and is used for detecting data at least containing power consumption of the circuit breaker body in real time; the metering circuit includes:
the voltage acquisition circuit acquires the voltage value of the circuit breaker body in real time, the voltage acquisition circuit can utilize a mode of connecting two resistors in parallel based on a resistor voltage division acquisition mode, the nodes of the two resistors are grounded, one end of each of two ends of each of the two resistors is electrically connected with one phase or three phases of the circuit breaker, the other end of each of the two resistors is connected with an N pole, capacitors can be connected in parallel at the resistors for filtering, and the voltage value of the circuit breaker is detected in real time by adopting the mode;
the current acquisition circuit acquires the current value of the breaker body in real time and acquires the current value flowing through the current breaker body based on a mutual inductor mode;
and the metering chip obtains data containing power consumption according to the data acquired by the voltage acquisition circuit and the current acquisition circuit, wherein the metering chip adopts RN8302B, but is not limited to the chip, and can calculate the current power consumption of the circuit breaker body according to the acquired current value and the acquired voltage value.
The communication circuit is electrically connected with the main control chip and transmits the data of the circuit breaker body to another device; communication circuit is based on RS485 interface, also can further adopt wireless communication module, can change or integrated multiple communication mode according to the demand.
And the power supply circuit is electrically connected with the power supply of the circuit breaker body part, so that the current can be used for at least one of the metering circuit and the communication circuit, and the power supply circuit comprises an alternating current-direct current conversion circuit and a plurality of groups of voltage stabilizing circuits with different output voltages so as to meet the voltage requirements of different circuits.
The control circuit board adopts motor drive circuit breaker body divide-shut brake action including the drive circuit who is used for controlling circuit breaker body divide-shut brake, and this drive circuit can be by main control chip signal control, and main control chip can drive the motor action through signal control drive circuit promptly to realize divide-shut brake operation, and main control chip is through being connected with communication circuit electricity, can acquire remote control signal through communication circuit, and carry out the action to drive circuit by main control chip, communication circuit is through the configuration with at least one as the data transmission of circuit breaker body in closing state, the separating brake state and the tripping operation state of circuit breaker body extremely another equipment.
Meanwhile, the switching-on/off position detection circuit is also arranged and is electrically connected with the main control chip. It is through setting up a plurality of dabs switches, when circuit breaker body divide-shut brake, touches the dabs switch of different positions to realize the position detection, thereby embody the separating brake state or the combined floodgate state of circuit breaker body with the mode of signal, so that main control chip acquires the state of current circuit breaker body, so that remote terminal can be better the understanding current circuit breaker body's state, carry out remote control to the circuit breaker body as required, cut off the power in a certain room.
Simultaneously, integrate the electric leakage detection function on the circuit breaker body, the control scheme board includes:
the leakage detection circuit acquires leakage current of the breaker body in real time and is electrically connected with the leakage detection port;
the leakage control circuit switches the breaker body to a tripping state according to the acquired leakage current, namely when the leakage current is detected to exceed a certain value, the breaker body trips to realize the function of leakage protection, and further a leakage test circuit can be arranged to perform leakage test on the breaker body through manual operation.
The control circuit board includes:
and the contact temperature detection circuit is electrically connected with the main control chip and comprises a plurality of sensors which are in contact with or not in contact with the contacts. It is through setting up a plurality of temperature sensor, contact or non-contact with the contact is connected for acquire the temperature of real-time acquisition contact, and can pass through communication circuit with the temperature in real time and transmit remote terminal, so that know the state of circuit breaker body in real time, play and report an emergency and ask for help or increased vigilance and the effect of protection.
The control circuit board comprises a memory, and the memory is electrically connected with the main control chip. The memory adopts AT24C04, which is used for storing the current operating parameters of the circuit breaker and storing data within a certain time so as to fetch and view the use.
The control circuit board comprises an operating state indicating circuit, and can display the operating state of the current circuit breaker body through being electrically connected with the main control chip, and meanwhile, the control circuit board can also play a role in alarming when the circuit breaker body breaks down.
An internet of things control circuit breaker is characterized in that a new generation internet of things communication technology is integrated to realize intelligent protection connection and disconnection of a circuit on the basis that a traditional residual current operated circuit breaker is combined with an external circuit breaker of an electric energy meter. A remote operation and maintenance system is built, and the functions of connection and disconnection, monitoring and early warning and fault protection of remote electric appliances, motors and equipment are achieved by the aid of a mobile phone APP or PC terminal multiple control terminals. The communication adopts RS-485 communication interface with an ESD protection circuit and an MODBUS-RTU communication protocol, the Internet of things technologies such as Ethernet, 4G, Zigbee, WIFI, Bluetooth and NB-IoT can be expanded and fused, a smart energy service cloud platform is combined, data such as current, voltage, leakage current, temperature, subdivided electric quantity and fault alarm of a user side are in integrated butt joint with systems such as building intellectualization, smart energy, smart fire control, smart home, smart office, smart charging pile and electrical fire safety supervision, energy-saving management and big data analysis are achieved through remote control, real-time alarm, statistical operation and energy service, and intelligent power safety management of each application place is achieved.
The product can be widely applied to industries such as electric power, communication, railways, traffic, environmental protection and the like, and low-voltage terminal electrical isolation protection in the fields such as industry, commerce, civil buildings, infrastructure and the like, and is used for monitoring voltage, current, leakage current, power consumption condition, temperature and arc light, and effectively improving power utilization safety.
The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of protection of the present invention.
Claims (7)
1. The utility model provides a thing networked control circuit breaker, its includes the circuit breaker body, its characterized in that: this internal control scheme board that is equipped with of circuit breaker, control scheme board includes:
a main control chip;
the metering circuit is electrically connected with the main control chip and is used for detecting data at least containing power consumption of the circuit breaker body in real time;
the communication circuit is electrically connected with the main control chip and transmits the data of the circuit breaker body to another device;
a power supply circuit electrically connected to a power source of the circuit breaker body part so that a current can be used for at least one of the metering circuit and the communication circuit, the control circuit board including a driving circuit for controlling opening and closing of the circuit breaker body, the control circuit board including: and the opening and closing position detection circuit is electrically connected with the main control chip and comprises a plurality of tact switches used for indicating the opening and closing positions of the circuit breaker body.
2. The internet of things control circuit breaker of claim 1, wherein: the communication circuit is configured to transmit at least one of a closing state, an opening state, and a trip state of the circuit breaker body to the another device as data of the circuit breaker body.
3. The internet of things control circuit breaker of claim 1, wherein: the control circuit board includes:
the leakage detection circuit is used for acquiring leakage current of the circuit breaker body in real time;
and the leakage control circuit switches the breaker body to a tripping state according to the acquired leakage current.
4. The internet of things controlled circuit breaker of claim 1, 2 or 3, wherein: the metering circuit includes:
the voltage acquisition circuit acquires the voltage value of the circuit breaker body in real time;
the current acquisition circuit acquires the current value of the breaker body in real time;
and the metering chip is used for obtaining data containing power consumption according to the data acquired by the voltage acquisition circuit and the current acquisition circuit.
5. The internet of things controlled circuit breaker of claim 1, 2 or 3, wherein: the control circuit board includes:
and the contact temperature detection circuit is electrically connected with the main control chip and comprises a plurality of sensors which are in contact with or not in contact with the contacts.
6. The internet of things controlled circuit breaker of claim 1, 2 or 3, wherein: the control circuit board comprises a memory, and the memory is electrically connected with the main control chip.
7. The internet of things controlled circuit breaker of claim 1, 2 or 3, wherein: the control circuit board comprises an operation state indicating circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921110123.5U CN210404703U (en) | 2019-07-16 | 2019-07-16 | Internet of things control circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921110123.5U CN210404703U (en) | 2019-07-16 | 2019-07-16 | Internet of things control circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210404703U true CN210404703U (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921110123.5U Active CN210404703U (en) | 2019-07-16 | 2019-07-16 | Internet of things control circuit breaker |
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| CN (1) | CN210404703U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113012998A (en) * | 2021-03-10 | 2021-06-22 | 北京中兆龙芯软件科技有限公司 | Intelligent internet-of-things type residual current operated circuit breaker |
-
2019
- 2019-07-16 CN CN201921110123.5U patent/CN210404703U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113012998A (en) * | 2021-03-10 | 2021-06-22 | 北京中兆龙芯软件科技有限公司 | Intelligent internet-of-things type residual current operated circuit breaker |
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