CN211790935U - Power supply circuit of circuit breaker, equipment and thing networking system - Google Patents
Power supply circuit of circuit breaker, equipment and thing networking system Download PDFInfo
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- CN211790935U CN211790935U CN202020541379.8U CN202020541379U CN211790935U CN 211790935 U CN211790935 U CN 211790935U CN 202020541379 U CN202020541379 U CN 202020541379U CN 211790935 U CN211790935 U CN 211790935U
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Abstract
The embodiment of the utility model discloses supply circuit, circuit breaker, equipment and thing networking systems of circuit breaker. The circuit is used for supplying power to the circuit breaker, the input end of a power supply conversion module of the circuit is electrically connected with an external power supply, and the output end of the power supply conversion module is electrically connected with a charge-discharge module, a switching-on and switching-off state detection component, a wireless communication module and a switching-on and switching-off 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 input ends of the charging protection module and 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; the main control module is electrically connected with the opening and closing execution component. The utility model provides the high effective management of circuit breaker has improved the performance of whole circuit and has prolonged battery power module's life safely, has improved the security of charging.
Description
Technical Field
The utility model relates to a circuit breaker technical field especially relates to a supply circuit, circuit breaker, equipment and thing networking systems of circuit breaker.
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, circuit breakers are widely used in various circuits, and the accurate operation of the circuit breaker is very important to the performance and safety of the whole circuit. In the prior art, the circuit breaker is only powered by an external alternating current power supply through the power supply conversion module, when the power supply conversion module breaks down or the external alternating current power supply is cut off, the power supply conversion module cannot supply power to the circuit breaker, so that the circuit breaker cannot timely feed back the working state of the circuit breaker to a server side and/or an appointed user side, the problem cannot be rapidly analyzed and positioned and the problem cannot be timely solved, the effective management of the circuit breaker is influenced, and the performance and the safety of the whole circuit are influenced.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a power supply circuit of a circuit breaker, a device and an internet of things system for solving the technical problem that the circuit breaker cannot timely feed back the working state of the circuit breaker to a server side and/or a specified user side when a power conversion module fails or an external ac power supply is cut off in the prior art.
In a first aspect, the utility model provides a supply circuit of circuit breaker 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 of circuit breaker includes: the device comprises a power supply conversion module, a charge-discharge module, a charge protection module, a battery power supply module, a voltage stabilization module and a main control module;
the input end of the power supply conversion module is electrically connected with an external power supply, and the output end of the power supply conversion module is electrically connected with the charge-discharge module, the opening-closing state detection component, the wireless communication module and the opening-closing execution component, and is used for converting an alternating current power supply input by the external power supply into a direct current power supply and then transmitting the direct current power supply to the charge-discharge module and the opening-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 input ends of the charging protection module and the voltage stabilization module;
the output end of the voltage stabilizing module is electrically connected with the switching-on/off execution component and the main control module and is used for supplying power to the switching-on/off execution component, the switching-on/off state detection component, the wireless communication module and the main control module;
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 and the wireless communication module.
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 conversion 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 module 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 conversion module.
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 switch sub-circuit comprises: and a double-channel MOS tube.
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 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 and the main control 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 a second aspect, the present invention further provides a circuit breaker, including: the power supply circuit of the circuit breaker of any of the first aspect.
A third aspect of the present invention also provides an electronic device, including: at least one circuit breaker;
the circuit breaker includes: the power supply circuit of the circuit breaker of any of the first aspect.
In a fourth aspect, the utility model also provides a thing networking system, include: at least one circuit breaker;
the circuit breaker includes: the power supply circuit of the circuit breaker of any of the first aspect.
In conclusion, when the power conversion module can not supply power, the battery power supply module supplies power to the switching-on/off execution component, the switching-off/on state detection component, the wireless communication module and the main control module, so that the switching-on/off execution component, the switching-on/off state detection component, the wireless communication module and the main control module can continue to work; when the power supply conversion module can supply power, the power supply conversion module directly supplies power to the opening and closing execution part, the opening and closing state detection part and the wireless communication module, so that the consumption of the electric quantity of the battery power supply module is reduced, and the service life of the battery power supply module is prolonged; and the charging and discharging module is matched with the charging protection module to realize charging to the battery power supply module, so that the charging safety is improved, and the charging operation is simplified. Therefore, the utility model provides high circuit breaker's effective management has improved the performance of whole circuit and has prolonged battery power module's life safely, has improved the security of charging.
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 the power supply circuit of the circuit breaker in one embodiment;
fig. 2 is a partial circuit schematic of the power supply circuit of the circuit breaker of fig. 1;
fig. 3 is a partial circuit schematic of the power supply circuit of the circuit breaker of fig. 1;
fig. 4 is a circuit schematic of a voltage stabilization module of the power supply circuit of the circuit 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, a power supply circuit of a circuit breaker is provided for supplying power to the circuit breaker, 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 of the circuit breaker includes: the power supply circuit of the circuit breaker comprises: the charging and discharging protection system comprises a power conversion module 10, a charging and discharging module 20, a charging protection module 30, a battery power supply module 40, a voltage stabilization module 70 and a main control module 50;
the input end of the power conversion module 10 is electrically connected with an external power supply, and the output end of the power conversion module 10 is electrically connected with the charging and discharging module 20, the switching-on/off state detection component 61, the wireless communication module 62 and the switching-on/off execution component 60, and is used for converting an alternating current power supply input by the external power supply into a direct current power supply and then transmitting the direct current power supply to the charging and discharging module 20 and the switching-on/off execution component 60;
the charging and discharging module 20 is electrically connected to the charging protection module 30 and the battery power supply module 40, and is configured to charge the charging protection module 30 to 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 and the main control module 50, and is used for supplying power to 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;
the main control module 50 is electrically connected to the switching-on/off actuator 60, the switching-on/off state detector 61, and the wireless communication module 62.
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.
The power conversion module 10 may be a power adapter selected from the prior art or a circuit capable of converting ac power into dc power, and is not limited in particular.
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.
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 working principle of the power supply circuit of the circuit breaker is as follows: when the power conversion 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 conversion module 10 directly supplies power to the switching-on/off execution component 60, at this time, the battery power supply module 40 does not supply power to the switching-on/off execution component 60; when the power conversion module 10 does not provide power to the charge and discharge module 20, the battery power supply module 40 supplies power to the switching-on/off execution component 60 through the voltage stabilization module 70, and the power provided by the battery power supply module 40 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.
The present embodiment realizes that when the power conversion module 10 can not supply power, the battery power supply module 40 supplies power to the switching-on/off actuating unit 60, the switching-on/off state detection unit 61, the wireless communication module 62 and the main control module 50, therefore, the opening and closing execution component 60, the opening and closing state detection component 61, the wireless communication module 62 and the main control module 50 can continue to work, the power supply provided by the battery power supply module 40 is used for matching among the opening and closing execution component 60, the opening and closing state detection component 61, the wireless communication module 62 and the main control module 50 to feed back the working state information of the circuit breaker to a server end and/or an appointed user end through a wireless network, the problem can be analyzed and positioned rapidly in time and solved in time according to the working state information of the circuit breaker, the effective management of the circuit breaker is improved, and the performance and the safety of the whole circuit are improved; when the power conversion module 10 can supply power, the power conversion module 10 directly supplies power to the switching-on/off actuating component 60, the switching-on/off state detection component 61 and the wireless communication module 62, so that the consumption of the electric quantity of the battery power supply module 40 is reduced, and the service life of the battery power supply module 40 is prolonged; and the charging and discharging module 20 and the charging protection module 30 are matched to realize charging to the battery power supply module 40, so that the charging safety is improved, and the charging operation is simplified.
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 conversion 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 management chip from the prior art, and is not specifically 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 management chip, so that the voltage output by the charge and discharge module 20 is smaller than the voltage of the ISET pin of the charge management chip.
The VIN pin of the charge management chip is electrically connected to the positive terminal of the power conversion module 10, the GND pin of the charge management chip is electrically connected to the negative terminal of the power conversion module 10, and the BAT pin of the charge management chip is electrically connected to 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 conversion module 10. The working state information 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 charging management chip.
The third resistor is electrically connected with the CHRG pin of the charging 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 charging 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 charging management chip, and the output end of the second capacitor is electrically connected with the GND pin of the charging management chip.
In one embodiment, the GND pin of the charge 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 charging management chip, and the output end of the fourth resistor is electrically connected with the TEMP pin of the charging 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 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 a safety problem, so that the safety of the power supply circuit of the circuit breaker is further improved, and the working accuracy of the circuit 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 batteries (the first rechargeable battery and the second rechargeable battery), when the temperature of the rechargeable batteries is too high, the current for charging the rechargeable batteries is reduced, and the charging danger caused by the too high temperature of the rechargeable batteries is reduced, so that the safety of a power supply circuit of the circuit breaker is improved, and the working accuracy of the circuit 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 charging 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.
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 and the main control module 50;
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.
Fig. 2 illustrates a circuit principle of the charge and discharge module 20, in which U1 is a charge 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, and C1 is a second capacitor.
Fig. 3 illustrates a circuit principle of the charge protection module 30 and the battery power supply module 40, 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, and BAT2 is a second rechargeable battery.
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, R7 is 1.8K Ω used for the first resistor, R2 is 6.8K Ω used for the second resistor, R1 is 6.8K Ω used for the third resistor, R8 is 12K Ω used for the fourth resistor, C1 is 10uF used for the second capacitor, R10 is 2K Ω used for the fifth resistor, R11 is 470R used for the sixth resistor, R9 is used for the seventh resistor, Rt is 10K Ω used for the eighth resistor, C4 is 100nF used for the third capacitor, C6 is 47uF used for the electrolytic capacitor, C5 is 100nF used for the first voltage stabilizing capacitor, C17 is 10nF used for the second voltage stabilizing capacitor, R12 is 60.4K used for the first voltage stabilizing resistor, and R13 is 220K Ω used for the second voltage stabilizing resistor.
In one embodiment, a circuit breaker is presented, comprising: the power supply circuit of the circuit breaker of any one of the preceding claims.
The present embodiment realizes that when the power conversion module 10 can not supply power, the battery power supply module 40 supplies power to the switching-on/off actuating unit 60, the switching-on/off state detection unit 61, the wireless communication module 62 and the main control module 50, therefore, the opening and closing execution component 60, the opening and closing state detection component 61, the wireless communication module 62 and the main control module 50 can continue to work, the power supply provided by the battery power supply module 40 is used for matching among the opening and closing execution component 60, the opening and closing state detection component 61, the wireless communication module 62 and the main control module 50 to feed back the working state information of the circuit breaker to a server end and/or an appointed user end through a wireless network, the problem can be analyzed and positioned rapidly in time and solved in time according to the working state information of the circuit breaker, the effective management of the circuit breaker is improved, and the performance and the safety of the whole circuit are improved; when the power conversion module 10 can supply power, the power conversion module 10 directly supplies power to the switching-on/off actuating component 60, the switching-on/off state detection component 61 and the wireless communication module 62, so that the consumption of the electric quantity of the battery power supply module 40 is reduced, and the service life of the battery power supply module 40 is prolonged; and the charging and discharging module 20 and the charging protection module 30 are matched to realize charging to the battery power supply module 40, so that the charging safety is improved, and the charging operation is simplified.
In one embodiment, an electronic device is presented, comprising: at least one circuit breaker;
the circuit breaker includes: the power supply circuit of the circuit breaker of any one of the preceding claims.
The present embodiment realizes that when the power conversion module 10 can not supply power, the battery power supply module 40 supplies power to the switching-on/off actuating unit 60, the switching-on/off state detection unit 61, the wireless communication module 62 and the main control module 50, therefore, the opening and closing execution component 60, the opening and closing state detection component 61, the wireless communication module 62 and the main control module 50 can continue to work, the power supply provided by the battery power supply module 40 is used for matching among the opening and closing execution component 60, the opening and closing state detection component 61, the wireless communication module 62 and the main control module 50 to feed back the working state information of the circuit breaker to a server end and/or an appointed user end through a wireless network, the problem can be analyzed and positioned rapidly in time and solved in time according to the working state information of the circuit breaker, the effective management of the circuit breaker is improved, and the performance and the safety of the whole circuit are improved; when the power conversion module 10 can supply power, the power conversion module 10 directly supplies power to the switching-on/off actuating component 60, the switching-on/off state detection component 61 and the wireless communication module 62, so that the consumption of the electric quantity of the battery power supply module 40 is reduced, and the service life of the battery power supply module 40 is prolonged; and the charging and discharging module 20 and the charging protection module 30 are matched to realize charging to the battery power supply module 40, so that the charging safety is improved, and the charging operation is simplified.
In one embodiment, an internet of things system is provided, including: at least one circuit breaker;
the circuit breaker includes: the power supply circuit of the circuit breaker of any one of the preceding claims.
The present embodiment realizes that when the power conversion module 10 can not supply power, the battery power supply module 40 supplies power to the switching-on/off actuating unit 60, the switching-on/off state detection unit 61, the wireless communication module 62 and the main control module 50, therefore, the opening and closing execution component 60, the opening and closing state detection component 61, the wireless communication module 62 and the main control module 50 can continue to work, the power supply provided by the battery power supply module 40 is used for matching among the opening and closing execution component 60, the opening and closing state detection component 61, the wireless communication module 62 and the main control module 50 to feed back the working state information of the circuit breaker to a server end and/or an appointed user end through a wireless network, the problem can be analyzed and positioned rapidly in time and solved in time according to the working state information of the circuit breaker, the effective management of the circuit breaker is improved, and the performance and the safety of the whole circuit are improved; when the power conversion module 10 can supply power, the power conversion module 10 directly supplies power to the switching-on/off actuating component 60, the switching-on/off state detection component 61 and the wireless communication module 62, so that the consumption of the electric quantity of the battery power supply module 40 is reduced, and the service life of the battery power supply module 40 is prolonged; and the charging and discharging module 20 and the charging protection module 30 are matched to realize charging to the battery power supply module 40, so that the charging safety is improved, and the charging operation is simplified.
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 information data and giving 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 circuit breaker working state information data 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 of the circuit breaker, the electronic device and the internet of things system belong to a general inventive concept, and the contents in the embodiments of the power supply circuit of the circuit breaker, the electronic device and the internet of things system are mutually applicable.
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 of circuit breaker 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, its characterized in that, supply circuit of circuit breaker includes: the device comprises a power supply conversion module, a charge-discharge module, a charge protection module, a battery power supply module, a voltage stabilization module and a main control module;
the input end of the power supply conversion module is electrically connected with an external power supply, and the output end of the power supply conversion module is electrically connected with the charge-discharge module, the opening-closing state detection component, the wireless communication module and the opening-closing execution component, and is used for converting an alternating current power supply input by the external power supply into a direct current power supply and then transmitting the direct current power supply to the charge-discharge module and the opening-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 input ends of the charging protection module and the voltage stabilization module;
the output end of the voltage stabilizing module is electrically connected with the switching-on/off execution component and the main control module and is used for supplying power to the switching-on/off execution component, the switching-on/off state detection component, the wireless communication module and the main control module;
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 and the wireless communication module.
2. The power supply circuit of the circuit breaker according to 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 conversion 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.
3. The power supply circuit of the circuit breaker according to claim 2, wherein the charge-discharge module further comprises: 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 conversion module.
4. The circuit breaker supply circuit of claim 1, wherein the charge 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.
5. The circuit breaker supply circuit of claim 4, wherein the switch sub-circuit comprises: and a double-channel MOS tube.
6. The power supply circuit of the circuit breaker according to any one of claims 1 to 5, characterized in that said 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.
7. Supply circuit of a circuit breaker according to any one of claims 1 to 5, characterized in that said 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 and the main control 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.
8. A circuit breaker, comprising: supply circuit of a circuit breaker according to any of claims 1 to 7.
9. An apparatus, comprising: at least one circuit breaker;
the circuit breaker includes: supply circuit of a circuit breaker according to any of claims 1 to 7.
10. An internet of things system, comprising: at least one circuit breaker;
the circuit breaker includes: supply circuit of a circuit breaker according to any of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020541379.8U CN211790935U (en) | 2020-04-13 | 2020-04-13 | Power supply circuit of circuit breaker, equipment and thing networking system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020541379.8U CN211790935U (en) | 2020-04-13 | 2020-04-13 | Power supply circuit of circuit breaker, equipment and thing networking system |
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| CN211790935U true CN211790935U (en) | 2020-10-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI808871B (en) * | 2022-08-15 | 2023-07-11 | 國立臺灣師範大學 | Trip circuit of circuit breaker using power converter and rechargeable battery |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI808871B (en) * | 2022-08-15 | 2023-07-11 | 國立臺灣師範大學 | Trip circuit of circuit breaker using power converter and rechargeable battery |
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