CN211790934U - Power supply circuit, circuit breaker, equipment and system suitable for internet of things breaker - Google Patents
Power supply circuit, circuit breaker, equipment and system suitable for internet of things breaker Download PDFInfo
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- CN211790934U CN211790934U CN202020540364.XU CN202020540364U CN211790934U CN 211790934 U CN211790934 U CN 211790934U CN 202020540364 U CN202020540364 U CN 202020540364U CN 211790934 U CN211790934 U CN 211790934U
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Abstract
The embodiment of the utility model discloses supply circuit, circuit breaker, equipment and system suitable for circuit breaker of thing networking. The power supply module of the circuit is electrically connected with the charge-discharge module and the opening and closing actuating component; the charging and discharging module is electrically connected with the charging protection module and the battery power supply module and is used for charging the battery power supply module; the battery power supply module is electrically connected with the charging protection module and the input end of the voltage stabilization module; the output end of the voltage stabilizing module is electrically connected with the opening and closing execution component and the main control module; the battery detection module is electrically connected with the output end of the voltage stabilization module and the charge and discharge module and is used for detecting a voltage signal of the voltage stabilization module; the main control module is electrically connected with the opening and closing execution component and the battery detection module. The utility model discloses an accuracy detects main control module, divide-shut brake state detection part, wireless communication module and divide-shut brake executive component's power supply state, has improved the accuracy and the security of circuit breaker and thing networking system work.
Description
Technical Field
The utility model relates to a circuit breaker technical field especially relates to a supply circuit, circuit breaker, equipment and system of circuit breaker suitable for thing networking.
Background
The circuit breaker can close, bear and break the switching device of the electric current under the normal circuit condition and can close, bear and break the electric current under the abnormal circuit condition in the specified time. With the development of electronic technology, the circuit breaker is widely applied to an internet of things system, and the accurate work of the circuit breaker is of great importance to the performance and safety of the internet of things system. In the prior art, the circuit breaker is only powered by an external alternating current power supply, and the circuit breaker cannot detect the power supply state of the circuit breaker, so that whether the power supply of the circuit breaker is normal or not can not be accurately judged in an Internet of things system, and the performance and safety of the Internet of things system are influenced.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a power supply circuit, a circuit breaker, equipment and a system suitable for the circuit breaker of the internet of things to solve the technical problem that the circuit breaker can not detect the power supply state of the circuit breaker in the prior art and the performance and the safety of the system of the internet of things are affected.
In a first aspect, the utility model provides a supply circuit suitable for circuit breaker of thing networking for supply power to the circuit breaker, the circuit breaker includes divide-shut brake executive component, divide-shut brake state detection part, wireless communication module, the supply circuit suitable for circuit breaker of thing networking includes: the device comprises a power supply module, a charge-discharge module, a charge protection module, a battery power supply module, a voltage stabilization module, a battery detection module and a main control module;
the power supply module is electrically connected with the main control module, the charge-discharge module, the opening and closing state detection component, the wireless communication module and the opening and closing execution component;
the charging and discharging module is electrically connected with the charging protection module and the battery power supply module and is used for charging the battery power supply module;
the battery power supply module is electrically connected with the charging protection module and the input end of the voltage stabilization module;
the output end of the voltage stabilizing module is electrically connected with the switching-on and switching-off execution component, the switching-on and switching-off state detection component, the wireless communication module and the main control module and is used for supplying power to the switching-on and switching-off execution component and the main control module;
the battery detection module is electrically connected with the output end of the voltage stabilization module and the charge-discharge module and is used for detecting voltage signals of the voltage stabilization module, wherein the voltage signals comprise high level signals and low level signals;
the main control module is electrically connected with the switching-on and switching-off execution component, the switching-on and switching-off state detection component, the wireless communication module and the battery detection module and is used for sending a driving signal to the switching-on and switching-off execution component, and the driving signal is used for driving the switching-on and switching-off execution component to work.
In one embodiment, the voltage stabilization module includes: the electrolytic capacitor comprises a voltage stabilizing chip, an electrolytic capacitor, a first voltage stabilizing capacitor, a second voltage stabilizing capacitor, a first voltage stabilizing resistor and a second voltage stabilizing resistor;
a Vin pin of the voltage stabilizing chip is electrically connected with a positive terminal of the battery power supply module, and a Vout pin of the voltage stabilizing chip is electrically connected with a positive electrode of the electrolytic capacitor, the switching-on/off actuating component, the switching-on/off state detection component, the wireless communication module, the main control module and the battery detection module;
the input end of the first voltage-stabilizing resistor is electrically connected with a Vin pin of the voltage-stabilizing chip, and the output end of the first voltage-stabilizing resistor is electrically connected with the input end of the second voltage-stabilizing resistor;
the input end of the first voltage-stabilizing capacitor is electrically connected with the positive electrode end of the battery power supply module;
the input end of the second voltage-stabilizing capacitor is electrically connected with the input end of the second voltage-stabilizing resistor;
and the GND pin of the voltage stabilizing chip, the output end of the first voltage stabilizing capacitor, the output end of the second voltage stabilizing resistor and the negative electrode of the electrolytic capacitor are grounded.
In one embodiment, the battery detection module comprises an NPN-type triode, a first detection resistor, a second detection resistor, and a third detection resistor;
the first detection resistor is connected between the voltage stabilizing module and the C pole of the NPN type triode;
the second detection resistor is connected between the charge-discharge module and the B pole of the NPN type triode;
the third detection resistor is connected between the charge-discharge module and the E pole of the NPN type triode;
the E pole of the NPN type triode is grounded;
the main control module is electrically connected with a C electrode of the NPN type triode.
In one embodiment, the charge and discharge module includes: a charge and discharge controller and a first resistor;
the charging and discharging controller is electrically connected with the power supply module, the charging protection module and the battery power supply module;
the input end of the first resistor is electrically connected with the charge-discharge controller, and the output end of the first resistor is grounded.
In one embodiment, the charge and discharge controller adopts a charge and discharge management chip;
the charge and discharge module further includes: a fourth detection resistor and a detection capacitor;
the input end of the fourth detection resistor is electrically connected with the FB pin of the charge and discharge management chip, and the output end of the fourth detection resistor is electrically connected with the positive end of the battery power supply module;
the BAT pin of the charge and discharge management chip is electrically connected with the positive terminal of the battery power supply module;
the input end of the detection capacitor is electrically connected with the output end of the fourth detection resistor, and the output end of the detection capacitor is grounded.
In one embodiment, the charge protection module includes: a switch sub-circuit and a charging protection controller;
the switch sub-circuit is electrically connected with the charging protection controller, the charging and discharging module and the battery power supply module;
the charging protection controller is electrically connected with the battery power supply module.
In one embodiment, the battery power module includes a first rechargeable battery, a second rechargeable battery;
the positive end of the first rechargeable battery is electrically connected with the positive end of the second rechargeable battery, and the negative end of the first rechargeable battery is electrically connected with the negative end of the second rechargeable battery;
the positive end of the first rechargeable battery is electrically connected with the charge-discharge module and the voltage stabilizing module;
the charging protection module is electrically connected with the positive end of the first rechargeable battery and the negative end of the first rechargeable battery.
In a second aspect, the utility model provides a circuit breaker suitable for thing networking, include: the power supply circuit of any one of the circuit breakers suitable for the Internet of things is described in the first aspect.
A third aspect of the present invention provides an electronic device, including: at least one breaker suitable for the Internet of things;
the circuit breaker includes: the power supply circuit of any one of the circuit breakers suitable for the Internet of things is described in the first aspect.
In a fourth aspect, the utility model provides a system of internet of things, include: at least one breaker suitable for the Internet of things;
the circuit breaker includes: the power supply circuit of any one of the circuit breakers suitable for the Internet of things is described in the first aspect.
To sum up, the power supply circuit of the internet-of-things breaker of the present invention supplies power to the main control module, the switch-on/off state detection component, the wireless communication module and the switch-off/on execution component through the power supply module or the battery power supply module, the voltage stabilization module stabilizes the voltage value of the power output by the battery power supply module, the battery detection module detects the voltage signal of the voltage stabilization module, the main control module can determine that the main control module, the switch-on/off state detection component, the wireless communication module and the switch-off execution component supply power to the battery power supply module when receiving the low level signal fed back by the battery detection module, and the main control module can determine that the main control module, the switch-off state detection component, the wireless communication module and the switch-off execution component supply power to the power supply module when receiving the high level signal fed back by, therefore, the power supply state of the opening and closing execution component can be accurately detected, the power supply states of the main control module, the opening and closing state detection component, the wireless communication module and the opening and closing execution component can be timely determined according to the accuracy when the power supply is abnormal, maintenance processing can be timely carried out, the accuracy and the safety of the work of the circuit breaker are improved, and the accuracy and the safety of the work of the Internet of things system are improved when the circuit breaker is applied to the Internet of things. Therefore, the utility model discloses an accurate power supply state who detects main control module, divide-shut brake state detection part, wireless communication module and divide-shut brake executive component has improved the accuracy and the security of circuit breaker and thing networking system work.
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 these drawings without creative efforts.
Wherein:
fig. 1 is a block diagram of a power supply circuit of a breaker suitable for the internet of things in one embodiment;
fig. 2 is a partial circuit schematic diagram of a power supply circuit of the internet-of-things-suitable circuit breaker of fig. 1;
fig. 3 is a partial circuit schematic diagram of a power supply circuit of the internet of things-suitable circuit breaker of fig. 1;
fig. 4 is a schematic circuit diagram of a voltage stabilization module of the power supply circuit of the internet-of-things breaker of fig. 1.
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.
As shown in fig. 1 to 4, in one embodiment, a power supply circuit for a circuit breaker applicable to the internet of things is provided, configured to supply power to the circuit breaker, where the circuit breaker includes a switching-on/off actuating unit 60, a switching-on/off state detecting unit 61, and a wireless communication module 62, and the power supply circuit for a circuit breaker applicable to the internet of things includes: the system comprises a power supply module 10, a charging and discharging module 20, a charging protection module 30, a battery power supply module 40, a voltage stabilizing module 70, a battery detection module 80 and a main control module 50;
the power supply module 10 is electrically connected with the main control module 50, the charge and discharge module 20, the opening and closing state detection component 61, the wireless communication module 62 and the opening and closing execution component 60;
the charging and discharging module 20 is electrically connected with the charging protection module 30 and the battery power supply module 40, and is used for charging the battery power supply module 40;
the battery power supply module 40 is electrically connected with the input ends of the charging protection module 30 and the voltage stabilization module 70;
the output end of the voltage stabilizing module 70 is electrically connected with the switching-on/off actuating component 60, the switching-on/off state detecting component 61, the wireless communication module 62 and the main control module 50, and is used for supplying power to the switching-on/off actuating component 60 and the main control module 50;
the battery detection module 80 is electrically connected to the output end of the voltage stabilization module 70 and the charge and discharge module 20, and is configured to detect a voltage signal of the voltage stabilization module 70, where the voltage signal includes a high level signal and a low level signal;
the main control module 50 is electrically connected with the switching-closing execution component 60, the switching-closing state detection component 61, the wireless communication module 62 and the battery detection module 80, and is configured to send a driving signal to the switching-closing execution component 60, where the driving signal is used to drive the switching-closing execution component to work.
The working principle is as follows: when the main control module 50 receives that the voltage signal sent by the battery detection module 80 is a high level signal, the power supply module 10 supplies power to the switching-on/off execution unit 60, and when the main control module 50 receives that the voltage signal sent by the battery detection module 80 is a low level signal, the battery power supply module 40 supplies power to the switching-on/off execution unit 60.
The power supply circuit of the circuit breaker applicable to the internet of things of this embodiment supplies power to the main control module 50, the switching-on/off state detection component 61, and the switching-off/on execution component 60 through the power supply module 10 or the battery power supply module 40, the voltage stabilization module 70 stabilizes the voltage value of the power supply output by the battery power supply module 40, the battery detection module 80 detects the voltage signal of the voltage stabilization module 70, the main control module 50 can judge that the main control module 50, the switching-on/off state detection component 61, the wireless communication module 62, and the switching-off/on execution component 60 supply power to the battery power supply module 40 when receiving that the voltage signal fed back by the battery detection module 80 is a low level signal, the main control module 50 can judge that the main control module 50, the switching-on/off state detection component 61, the wireless communication module 62, and the switching-off execution component 60 supply power to the power supply module 10, therefore, the power supply states of the main control module 50, the switching-on/off state detection component 61, the wireless communication module 62 and the switching-on/off execution component 60 can be accurately detected, when the power supply is abnormal, the power supply states of the main control module 50, the switching-on/off state detection component 61, the wireless communication module 62 and the switching-on/off execution component 60 can be determined in time, maintenance can be carried out in time, the accuracy and the safety of the work of the breaker are improved, and when the breaker is applied to the Internet of things, the accuracy and the safety of the work of the Internet of things system are improved.
The main control module 50 may be an MCU (micro control unit) selected from the prior art, which is not specifically limited by the examples herein.
Optionally, the switching-on/off actuating unit 60, the switching-on/off state detecting unit 61, and the wireless communication module 62 may be integrated together to form a switching-on/off device. The switching-on and switching-off device can execute switching-on and switching-off, detect the switching-on and switching-off state and send the detected switching-on and switching-off state to the target equipment through a wireless communication network.
Optionally, the switching-on/off actuating unit 60, the switching-on/off state detecting unit 61, and the wireless communication module 62 are independent units.
The target device may be a server-side device or a terminal device.
The wireless communication module 62 includes, but is not limited to, the following: any one of a Wifi (a wireless local area network technology established in IEEE802.11 standard) communication module, a 2G (second generation mobile phone communication technology specification) communication module, a zigbee (wireless internet protocol for low-speed short-distance transmission) communication module, a 3G communication module (third generation mobile phone communication technology specification), a 4G communication module (fourth generation mobile phone communication technology specification), a 5G communication module (fifth generation mobile phone communication technology specification), an NB-IOT (narrow band internet of things) communication module, and a Lora (low power consumption local area network wireless standard) communication module.
The opening/closing state detecting unit 61 is configured to detect whether the circuit breaker is opened or closed, and an integrated circuit that can implement a corresponding function may be selected from the prior art, which is not described herein again.
The power supply module 10 is a dc power supply.
The switching-on and switching-off executing component 60 comprises a switching-on and switching-off gear for switching on or switching off and a switching-on and switching-off motor for rotating, wherein one end of the switching-on and switching-off gear is connected with an output shaft of the switching-on and switching-off motor, and the rotating motion of the switching-on and switching-off motor drives the switching-on and switching-off gear to rotate around a central shaft of the output shaft of the switching-on and switching-off motor; the main control module 50 is electrically connected with the switching-on/off motor and is used for sending a switching-off signal or a switching-on signal to the switching-on/off motor. It is to be understood that the power supply to the switching-on/off actuator 60 is to supply power to the switching-on/off motor.
The switching-on/off motor may be a rotating motor selected from the prior art, and the examples herein are not particularly limited.
The working principle of the power supply circuit of the breaker applicable to the Internet of things is as follows: when the power supply module 10 supplies power to the charge and discharge module 20, the charge and discharge module 20 charges the battery power supply module 40 through the charge protection module 30, and the power supply module 10 directly supplies power to the switching-on/off actuating component 60, and at this time, the battery power supply module 40 does not supply power to the switching-on/off actuating component 60; when the power supply module 10 does not provide power for the charge and discharge module 20, the battery power supply module 40 supplies power to the switching-on/off execution component 60, at this time, the power supply provided by the battery power supply module 70 is used for the switching-on/off execution component 60 to feed back the working state information of the switching-on/off execution component 60 to the main control module, and the main control module 50 determines the working state of the switching-on/off execution component 60 according to the working state information of the switching-on/off execution component 60, so that the effective management of the circuit breaker is improved, and the maintenance safety is ensured.
In one embodiment, the voltage stabilization module 70 includes: the electrolytic capacitor comprises a voltage stabilizing chip, an electrolytic capacitor, a first voltage stabilizing capacitor, a second voltage stabilizing capacitor, a first voltage stabilizing resistor and a second voltage stabilizing resistor;
a Vin pin of the voltage stabilizing chip is electrically connected with a positive terminal of the battery power supply module 40, and a Vout pin of the voltage stabilizing chip is electrically connected with a positive electrode of the electrolytic capacitor, the switching-on/off actuating component 60, the switching-on/off state detecting component 61, the wireless communication module 62, the main control module 50 and the battery detecting module 80;
the input end of the first voltage-stabilizing resistor is electrically connected with a Vin pin of the voltage-stabilizing chip, and the output end of the first voltage-stabilizing resistor is electrically connected with the input end of the second voltage-stabilizing resistor;
the input end of the first voltage-stabilizing capacitor is electrically connected with the positive end of the battery power supply module 40;
the input end of the second voltage-stabilizing capacitor is electrically connected with the input end of the second voltage-stabilizing resistor;
and the GND pin of the voltage stabilizing chip, the output end of the first voltage stabilizing capacitor, the output end of the second voltage stabilizing resistor and the negative electrode of the electrolytic capacitor are grounded. The voltage value of the power supply output by the battery power supply module 40 is stabilized through the matching of the voltage stabilizing chip, the electrolytic capacitor, the first voltage stabilizing capacitor, the second voltage stabilizing capacitor, the first voltage stabilizing resistor and the second voltage stabilizing resistor, so that the stability of supplying power to the switching-on/off execution component 60 and the main control module 50 is improved, and the working accuracy of the circuit breaker is further improved.
The three-terminal voltage stabilization chip can be selected from the voltage stabilization chips in the prior art, and is not described herein.
The first voltage-stabilizing capacitor and the second voltage-stabilizing capacitor may be capacitors selected from the prior art, and are not specifically limited by this example.
The first voltage-stabilizing resistor and the second voltage-stabilizing resistor may be resistors selected from the prior art, and this example is not particularly limited.
In one embodiment, the battery detection module 80 includes an NPN transistor, a first detection resistor, a second detection resistor, and a third detection resistor;
the first detection resistor is connected between the voltage stabilizing module 70 and the C electrode of the NPN type triode;
the second detection resistor is connected between the charge and discharge module 20 and the B pole of the NPN type triode;
the third detection resistor is connected between the charge and discharge module 20 and the E pole of the NPN type triode;
the E pole of the NPN type triode is grounded;
the main control module 50 is electrically connected to the C electrode of the NPN type transistor.
The first detection resistor, the second detection resistor, and the third detection resistor may be resistors selected from the prior art, and are not limited in this example.
In one embodiment, the charge and discharge module 20 includes: a charge and discharge controller and a first resistor;
the charge and discharge controller is electrically connected with the power supply module 10, the charge protection module 30 and the battery power supply module 40;
the input end of the first resistor is electrically connected with the charge-discharge controller, and the output end of the first resistor is grounded.
The charge and discharge controller may select a charge and discharge management chip from the prior art, and is not particularly limited herein.
The first resistor may be selected from the prior art, and is not particularly limited herein.
Specifically, the input terminal of the first resistor is electrically connected to the ISET pin of the charge and discharge management chip, so that the voltage output by the charge and discharge module 20 is lower than the voltage of the ISET pin of the charge and discharge management chip.
The VIN pin of the charge and discharge management chip is electrically connected with the positive terminal of the power supply module 10, the GND pin of the charge and discharge management chip is electrically connected with the negative terminal of the power supply module 10, and the BAT pin of the charge and discharge management chip is electrically connected with the battery power supply module 40.
In one embodiment, the charge and discharge module 20 further includes: the charging device comprises a charging completion indicator light, a charging indicator light, a second resistor and a third resistor;
the second resistor is connected between the output end of the charging completion indicator lamp and the charging and discharging controller;
the third resistor is connected between the output end of the charging indicator lamp and the charging and discharging controller;
the input end of the charging completion indicator light and the input end of the charging indicator light are electrically connected with the power supply module 10. The working state of the charge and discharge module 20 can be visually displayed through the charge completion indicator lamp and the charging indicator lamp.
The second resistor is electrically connected with a DONE pin of the charge and discharge management chip.
The third resistor is electrically connected with the CHRG pin of the charge and discharge management chip.
The second resistor and the third resistor may be resistors selected from the prior art, and are not limited in particular.
In one embodiment, the charge and discharge module 20 further includes: a first capacitor and a second capacitor;
the input end of the first capacitor is electrically connected with the VIN pin of the charge and discharge management chip, and the output end of the first capacitor is grounded.
The input end of the second capacitor is electrically connected with the VIN pin of the charge and discharge management chip, and the output end of the second capacitor is electrically connected with the GND pin of the charge and discharge management chip.
In one embodiment, the GND pin of the charge and discharge management chip is grounded.
The second capacitor and the third capacitor may be capacitors selected from the prior art, and are not limited in particular.
In one embodiment, the charge and discharge module 20 further includes: a fourth resistor;
the input end of the fourth resistor is electrically connected with the VIN pin of the charge and discharge management chip, and the output end of the fourth resistor is electrically connected with the TEMP pin of the charge and discharge management chip. The fourth resistor may be a resistor selected from the prior art, and is not particularly limited herein.
In one embodiment, the charge and discharge controller adopts a charge and discharge management chip;
the charge and discharge module 20 further includes: a fourth detection resistor and a detection capacitor;
the input end of the fourth detection resistor is electrically connected with the FB pin of the charge and discharge management chip, and the output end of the fourth detection resistor is electrically connected with the positive end of the battery power supply module 40;
the BAT pin of the charge and discharge management chip is electrically connected with the positive terminal of the battery power supply module 40;
the input end of the detection capacitor is electrically connected with the output end of the fourth detection resistor, and the output end of the detection capacitor is grounded. Through the cooperation of the fourth detection resistor and the detection capacitor, when the voltage value of the positive terminal of the battery power supply module 40 is lower than the threshold value, the charging and discharging module 20 charges the battery power supply module 40 through the charging protection module 30 in a constant voltage manner.
The fourth detection resistor may be selected from the prior art, and is not limited in particular.
The detection capacitor may be selected from the prior art, and is not particularly limited herein.
In one embodiment, the charge protection module 30 includes: a switch sub-circuit and a charging protection controller;
the switch sub-circuit is electrically connected with the charging protection controller, the charging and discharging module 20 and the battery power supply module 40;
the charge protection controller is electrically connected to the battery power supply module 40. Through the cooperation of the switch sub-circuit and the charging protection controller, the charging and discharging module 20 is prevented from overcharging the battery power supply module 40 through the charging protection module 30 to cause safety problems, so that the safety of the power supply circuit of the breaker applicable to the Internet of things is further improved, and the working accuracy of the breaker is further improved.
The charge protection controller may select a charge protection chip from the related art.
In one embodiment, the switch sub-circuit comprises: and a double-channel MOS tube.
The D1 utmost point of binary channels MOS pipe with the D2 utmost point of binary channels MOS pipe reaches charge-discharge module 20 electricity is connected, the S1 utmost point ground connection of binary channels MOS pipe, the S2 utmost point of binary channels MOS pipe is connected with battery power module 40' S negative pole end electricity, the G1 utmost point of binary channels MOS pipe with the CO pin electricity of charging protection chip is connected, the G2 utmost point of binary channels MOS pipe with the DO pin electricity of charging protection chip is connected.
The VDD pin of the charging protection chip is electrically connected with the positive terminal of the battery power supply module 40, and the VSS pin of the charging protection chip is electrically connected with the negative terminal of the battery power supply module 40.
In one embodiment, the charging protection module 30 further includes: a fifth resistor; the input end of the fifth resistor is electrically connected with the VM pin of the charging protection chip, and the output end of the fifth resistor is grounded. The fifth resistor may be selected from the prior art, and is not particularly limited herein.
In one embodiment, the charging protection module 30 further includes: a sixth resistor; the input end of the sixth resistor is electrically connected with the VDD pin of the charging protection chip, and the output end of the sixth resistor is electrically connected with the positive terminal of the battery power supply module 40.
In one embodiment, the charging protection module 30 further includes: a third capacitor; the input end of the third capacitor is electrically connected with the VDD pin of the charging protection chip, and the output end of the third capacitor is electrically connected with the VSS pin of the charging protection chip. The third capacitor may be selected from the prior art, and is not limited in particular.
In one embodiment, the charging protection module 30 further includes: a seventh resistor, diode; the seventh resistor is connected with the cathode of the diode and the D1 pole of the dual-channel MOS tube; the anode of the diode is electrically connected to the charge and discharge module 20. The seventh resistor may be a resistor selected from the prior art, and is not particularly limited herein.
In one embodiment, the charge and discharge module 20 further includes: an eighth resistor; the input end of the eighth resistor is electrically connected to the charge and discharge module 20, the output end of the eighth resistor is electrically connected to the anode of the diode, and the output end of the eighth resistor is grounded. The eighth resistor may be a thermistor selected from the prior art, and is not particularly limited herein. The eighth resistor is arranged to detect the temperature of the rechargeable battery (the first rechargeable battery and the second rechargeable battery), when the temperature of the rechargeable battery is too high, the current for charging the rechargeable battery is reduced, and the charging danger caused by the too high temperature of the rechargeable battery is reduced, so that the safety of a power supply circuit of the breaker applicable to the Internet of things is improved, and the working accuracy of the breaker is further improved.
In one embodiment, the input terminal of the eighth resistor is electrically connected to the charge and discharge module 20, and includes: and the input end of the eighth resistor is electrically connected with the TEMP pin of the charge and discharge management chip.
In one embodiment, the battery power module 40 includes a first rechargeable battery, a second rechargeable battery;
the positive end of the first rechargeable battery is electrically connected with the positive end of the second rechargeable battery, and the negative end of the first rechargeable battery is electrically connected with the negative end of the second rechargeable battery;
the positive terminal of the first rechargeable battery is electrically connected with the charge and discharge module 20 and the voltage stabilization module 70;
the charging protection module 30 is electrically connected to the positive terminal of the first rechargeable battery and the negative terminal of the first rechargeable battery. The first rechargeable battery and the second rechargeable battery are connected in parallel, so that the current of a single rechargeable battery is reduced, and the service lives of the first rechargeable battery and the second rechargeable battery are prolonged.
The first rechargeable battery and the second rechargeable battery may be lithium batteries selected from the prior art, and are not particularly limited herein.
Fig. 2 shows a circuit principle of the charge and discharge module 20, in which U1 is a charge and discharge management chip, R7 is a first resistor, R2 is a second resistor, R1 is a third resistor, R8 is a fourth resistor, D1 is a charging indicator, D2 is a charging completion indicator, C55 is a first capacitor, C1 is a second capacitor, Q5 is an NPN-type triode, R5 is a first detection resistor, R4 is a second detection resistor, R3 is a third detection resistor, R6 is a fourth detection resistor, and C3 is a detection capacitor.
Fig. 3 shows the circuit principle of the charge protection module 30, the battery power supply module 40 and the battery detection module 80, wherein Q4 is a dual-channel MOS transistor, U2 is a charge protection chip, R10 is a fifth resistor, R11 is a sixth resistor, R9 is a seventh resistor, Z1 is a diode, Rt is an eighth resistor, C4 is a third capacitor, BAT1 is a first rechargeable battery, BAT2 is a second rechargeable battery, and BAT + is connected to the positive terminal of the battery power supply module 40.
Fig. 4 shows the circuit principle of the voltage stabilizing module 70, where U3 is a voltage stabilizing chip, C6 is an electrolytic capacitor, C5 is a first voltage stabilizing capacitor, C17 is a second voltage stabilizing capacitor, R12 is a first voltage stabilizing resistor, R13 is a second voltage stabilizing resistor, VCC is connected to the battery detecting module 80, and BAT + is connected to the positive terminal of the battery power module 40.
In one embodiment, as shown in fig. 2, R7 is 1.8K Ω for the first resistor, R2 is 6.8K Ω for the second resistor, R1 is 6.8K Ω for the third resistor, R8 is 12K Ω for the fourth resistor, C1 is 10uF for the second capacitor, R5 is 68R for the first sense resistor, R4 is 1M Ω for the second sense resistor, R3 is 4.7K Ω for the third sense resistor, and C3 is 4.7uF for the sense capacitor; as shown in fig. 3, R10 is 2K Ω for the fifth resistor, R11 is 470R for the sixth resistor, R9 is the seventh resistor, Rt is 10K Ω for the eighth resistor, and C4 is 100nF for the third capacitor; as shown in fig. 4, C6 is 47uF for the electrolytic capacitor, C5 is 100nF for the first voltage-stabilizing capacitor, C17 is 10nF for the second voltage-stabilizing capacitor, R12 is 60.4K Ω for the first voltage-stabilizing resistor, and R13 is 220K Ω for the second voltage-stabilizing resistor.
In one embodiment, a circuit breaker applicable to the internet of things is provided, which includes: the power supply circuit suitable for the breaker of the Internet of things.
The power supply circuit of the circuit breaker applicable to the internet of things of this embodiment supplies power to the main control module 50, the switching-on/off state detection component 61, and the switching-off/on execution component 60 through the power supply module 10 or the battery power supply module 40, the voltage stabilization module 70 stabilizes the voltage value of the power supply output by the battery power supply module 40, the battery detection module 80 detects the voltage signal of the voltage stabilization module 70, the main control module 50 can judge that the main control module 50, the switching-on/off state detection component 61, the wireless communication module 62, and the switching-off/on execution component 60 supply power to the battery power supply module 40 when receiving that the voltage signal fed back by the battery detection module 80 is a low level signal, the main control module 50 can judge that the main control module 50, the switching-on/off state detection component 61, the wireless communication module 62, and the switching-off execution component 60 supply power to the power supply module 10, therefore, the power supply states of the main control module 50, the switching-on/off state detection component 61, the wireless communication module 62 and the switching-on/off execution component 60 can be accurately detected, when the power supply is abnormal, the power supply states of the main control module 50, the switching-on/off state detection component 61, the wireless communication module 62 and the switching-on/off execution component 60 can be determined in time, maintenance can be carried out in time, the accuracy and the safety of the work of the breaker are improved, and when the breaker is applied to the Internet of things, the accuracy and the safety of the work of the Internet of things system are improved.
In one embodiment, an electronic device is presented, comprising: at least one breaker suitable for the Internet of things;
the circuit breaker includes: the power supply circuit suitable for the breaker of the Internet of things.
The power supply circuit of the circuit breaker applicable to the internet of things of this embodiment supplies power to the main control module 50, the switching-on/off state detection component 61, and the switching-off/on execution component 60 through the power supply module 10 or the battery power supply module 40, the voltage stabilization module 70 stabilizes the voltage value of the power supply output by the battery power supply module 40, the battery detection module 80 detects the voltage signal of the voltage stabilization module 70, the main control module 50 can judge that the main control module 50, the switching-on/off state detection component 61, the wireless communication module 62, and the switching-off/on execution component 60 supply power to the battery power supply module 40 when receiving that the voltage signal fed back by the battery detection module 80 is a low level signal, the main control module 50 can judge that the main control module 50, the switching-on/off state detection component 61, the wireless communication module 62, and the switching-off execution component 60 supply power to the power supply module 10, therefore, the power supply states of the main control module 50, the switching-on/off state detection component 61, the wireless communication module 62 and the switching-on/off execution component 60 can be accurately detected, when the power supply is abnormal, the power supply states of the main control module 50, the switching-on/off state detection component 61, the wireless communication module 62 and the switching-on/off execution component 60 can be determined in time, maintenance can be carried out in time, the accuracy and the safety of the work of the breaker are improved, and when the breaker is applied to the Internet of things, the accuracy and the safety of the work of the Internet of things system are improved.
In one embodiment, an internet of things system is provided, including: at least one breaker suitable for the Internet of things;
the circuit breaker includes: the power supply circuit suitable for the breaker of the Internet of things.
The power supply circuit of the circuit breaker applicable to the internet of things of this embodiment supplies power to the main control module 50, the switching-on/off state detection component 61, and the switching-off/on execution component 60 through the power supply module 10 or the battery power supply module 40, the voltage stabilization module 70 stabilizes the voltage value of the power supply output by the battery power supply module 40, the battery detection module 80 detects the voltage signal of the voltage stabilization module 70, the main control module 50 can judge that the main control module 50, the switching-on/off state detection component 61, the wireless communication module 62, and the switching-off/on execution component 60 supply power to the battery power supply module 40 when receiving that the voltage signal fed back by the battery detection module 80 is a low level signal, the main control module 50 can judge that the main control module 50, the switching-on/off state detection component 61, the wireless communication module 62, and the switching-off execution component 60 supply power to the power supply module 10, therefore, the power supply states of the main control module 50, the switching-on/off state detection component 61, the wireless communication module 62 and the switching-on/off execution component 60 can be accurately detected, when the power supply is abnormal, the power supply states of the main control module 50, the switching-on/off state detection component 61, the wireless communication module 62 and the switching-on/off execution component 60 can be determined in time, maintenance can be carried out in time, the accuracy and the safety of the work of the breaker are improved, and when the breaker is applied to the Internet of things, the accuracy and the safety of the work of the Internet of things system are improved.
The Internet of things system is used for realizing information exchange and communication of online equipment by performing network interconnection through an Internet of things communication module of the equipment (such as a circuit breaker) so as to realize the internet of everything application of intelligent identification, positioning, tracking, monitoring and management.
In one embodiment, the internet of things system further comprises an internet of things server side and an internet of things terminal device;
at least one circuit breaker is installed in the terminal equipment of the Internet of things;
the circuit breaker further includes: a wireless communication module for performing wireless communication;
the breaker passes through wireless communication module with thing networking server end carries out communication connection to be used for sending breaker operating condition data for thing networking server end receives the circuit breaker control command that thing networking server end sent.
It is understood that the main control module 50 of the circuit breaker controls the operation of the components of the circuit breaker according to the circuit breaker control instructions.
The working state data of the circuit breaker refers to data generated when the circuit breaker works, such as opening and closing state data.
It should be noted that the power supply circuit, the circuit breaker, the electronic device and the internet of things system applicable to the circuit breaker of the internet of things are applicable to each other.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (10)
1. The utility model provides a supply circuit suitable for circuit breaker of thing networking for supply power to the circuit breaker, the circuit breaker includes divide-shut brake actuating unit, divide-shut brake state detection part, wireless communication module, a serial communication port, supply circuit suitable for circuit breaker of thing networking includes: the device comprises a power supply module, a charge-discharge module, a charge protection module, a battery power supply module, a voltage stabilization module, a battery detection module and a main control module;
the power supply module is electrically connected with the main control module, the charge-discharge module, the opening and closing state detection component, the wireless communication module and the opening and closing execution component;
the charging and discharging module is electrically connected with the charging protection module and the battery power supply module and is used for charging the battery power supply module;
the battery power supply module is electrically connected with the charging protection module and the input end of the voltage stabilization module;
the output end of the voltage stabilizing module is electrically connected with the switching-on and switching-off execution component, the switching-on and switching-off state detection component, the wireless communication module and the main control module and is used for supplying power to the switching-on and switching-off execution component and the main control module;
the battery detection module is electrically connected with the output end of the voltage stabilization module and the charge-discharge module and is used for detecting voltage signals of the voltage stabilization module, wherein the voltage signals comprise high level signals and low level signals;
the main control module is electrically connected with the switching-on and switching-off execution component, the switching-on and switching-off state detection component, the wireless communication module and the battery detection module and is used for sending a driving signal to the switching-on and switching-off execution component, and the driving signal is used for driving the switching-on and switching-off execution component to work.
2. The power supply circuit of claim 1, wherein the voltage stabilization module comprises: the electrolytic capacitor comprises a voltage stabilizing chip, an electrolytic capacitor, a first voltage stabilizing capacitor, a second voltage stabilizing capacitor, a first voltage stabilizing resistor and a second voltage stabilizing resistor;
a Vin pin of the voltage stabilizing chip is electrically connected with a positive terminal of the battery power supply module, and a Vout pin of the voltage stabilizing chip is electrically connected with a positive electrode of the electrolytic capacitor, the switching-on/off actuating component, the switching-on/off state detection component, the wireless communication module, the main control module and the battery detection module;
the input end of the first voltage-stabilizing resistor is electrically connected with a Vin pin of the voltage-stabilizing chip, and the output end of the first voltage-stabilizing resistor is electrically connected with the input end of the second voltage-stabilizing resistor;
the input end of the first voltage-stabilizing capacitor is electrically connected with the positive electrode end of the battery power supply module;
the input end of the second voltage-stabilizing capacitor is electrically connected with the input end of the second voltage-stabilizing resistor;
and the GND pin of the voltage stabilizing chip, the output end of the first voltage stabilizing capacitor, the output end of the second voltage stabilizing resistor and the negative electrode of the electrolytic capacitor are grounded.
3. The power supply circuit of the internet of things-suitable breaker is characterized in that the battery detection module comprises an NPN-type triode, a first detection resistor, a second detection resistor and a third detection resistor;
the first detection resistor is connected between the voltage stabilizing module and the C pole of the NPN type triode;
the second detection resistor is connected between the charge-discharge module and the B pole of the NPN type triode;
the third detection resistor is connected between the charge-discharge module and the E pole of the NPN type triode;
the E pole of the NPN type triode is grounded;
the main control module is electrically connected with a C electrode of the NPN type triode.
4. The power supply circuit of the internet of things-suitable breaker as claimed in claim 1, wherein the charge-discharge module comprises: a charge and discharge controller and a first resistor;
the charging and discharging controller is electrically connected with the power supply module, the charging protection module and the battery power supply module;
the input end of the first resistor is electrically connected with the charge-discharge controller, and the output end of the first resistor is grounded.
5. The power supply circuit of the breaker applicable to the Internet of things according to claim 4, wherein the charge and discharge controller adopts a charge and discharge management chip;
the charge and discharge module further includes: a fourth detection resistor and a detection capacitor;
the input end of the fourth detection resistor is electrically connected with the FB pin of the charge and discharge management chip, and the output end of the fourth detection resistor is electrically connected with the positive end of the battery power supply module;
the BAT pin of the charge and discharge management chip is electrically connected with the positive terminal of the battery power supply module;
the input end of the detection capacitor is electrically connected with the output end of the fourth detection resistor, and the output end of the detection capacitor is grounded.
6. The power supply circuit of the breaker suitable for the internet of things as claimed in any one of claims 1 to 5, wherein the charging protection module comprises: a switch sub-circuit and a charging protection controller;
the switch sub-circuit is electrically connected with the charging protection controller, the charging and discharging module and the battery power supply module;
the charging protection controller is electrically connected with the battery power supply module.
7. The power supply circuit of the internet of things-suitable circuit breaker as claimed in any one of claims 1 to 5, wherein the battery power supply module comprises a first rechargeable battery, a second rechargeable battery;
the positive end of the first rechargeable battery is electrically connected with the positive end of the second rechargeable battery, and the negative end of the first rechargeable battery is electrically connected with the negative end of the second rechargeable battery;
the positive end of the first rechargeable battery is electrically connected with the charge-discharge module and the voltage stabilizing module;
the charging protection module is electrically connected with the positive end of the first rechargeable battery and the negative end of the first rechargeable battery.
8. A circuit breaker suitable for thing networking, its characterized in that includes: the power supply circuit of the breaker suitable for the Internet of things as claimed in any one of claims 1 to 7.
9. An apparatus, comprising: at least one breaker suitable for the Internet of things;
the circuit breaker includes: the power supply circuit of the breaker suitable for the Internet of things as claimed in any one of claims 1 to 7.
10. A system, comprising: at least one breaker suitable for the Internet of things;
the circuit breaker includes: the power supply circuit of the breaker suitable for the Internet of things as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020540364.XU CN211790934U (en) | 2020-04-13 | 2020-04-13 | Power supply circuit, circuit breaker, equipment and system suitable for internet of things breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020540364.XU CN211790934U (en) | 2020-04-13 | 2020-04-13 | Power supply circuit, circuit breaker, equipment and system suitable for internet of things breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211790934U true CN211790934U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020540364.XU Active CN211790934U (en) | 2020-04-13 | 2020-04-13 | Power supply circuit, circuit breaker, equipment and system suitable for internet of things breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211790934U (en) |
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2020
- 2020-04-13 CN CN202020540364.XU patent/CN211790934U/en active Active
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