Low-power-consumption reclosing circuit structure

Abstract

The utility model relates to a low-power-consumption reclosing circuit structure which comprises a power supply module, a signal amplification module, a voltage stabilization module, a communication module, a motor module and a master control module. According to the utility model, the power supply module and the voltage stabilization module are combined to form two groups of power supply circuits with different currents, the main control module can be freely switched between the two groups of power supply circuits, a circuit with a large current can be instantly started, and the response of the motor module is sensitive through the action of the signal amplification module. The reclosure is timely controlled to be switched off or switched on according to the circuit state change, the control circuit is low in energy consumption in a static state, and the service life of the circuit is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of circuit technology, especially relates to a low -power consumption reclosing circuit structure. BACKGROUND

[0002] Reclosing is a kind of circuit breaker device that can be closed after being disconnected, and the control circuit of reclosing is directly connected to the main circuit, in order to realize the continuous power supply of control circuit, cannot set switch between control circuit and main circuit, this also makes control circuit long time in energized state, makes its greater energy consumption, thus needs to change the power supply circuit structure of reclosing, to reduce the consumption of reclosing electric energy, reduce the waste of electric energy. SUMMARY

[0003] In order to overcome the insufficient of background art, the utility model adopts the technical scheme: a low -power consumption reclosing circuit structure, including power module, signal amplification module, voltage stabilizing module, communication module, motor module and main control module, power module is equipped with the high voltage end for signal amplification module provides power supply, and the low voltage end for motor module provides power supply, and the high voltage end and low voltage end are electrically connected with main control module through voltage stabilizing module, and respectively provide the power required for the low -power consumption state, high -power consumption state of main control module, main control module is electrically connected with communication module for external control, and motor module for controlling motor drive, and signal amplification module for detecting peripheral circuit state.

[0004] The above technical scheme is adopted, and the power module and the voltage stabilizing module form two groups of power supply circuits with different current sizes, wherein the current of the high voltage end through the voltage stabilizing module is smaller, and the current of the low voltage end through the voltage stabilizing module is larger;The main control module can be freely switched in the two groups of power supply circuits, can start the circuit with larger current instantaneously, the reaction of the motor module is sensitive through the action of the signal amplification module, reclosing is controlled to be disconnected or closed in time according to the circuit state change, and the control circuit is low in energy consumption in static state, prolongs the service life of the circuit.

[0005] The utility model further sets up, the main control module is equipped with MCU chip, and the voltage stabilizing module is equipped with the voltage stabilizing output end for MCU chip provides power supply.

[0006] Further, the voltage stabilizing module is respectively provided with first resistance and second resistance for controlling the size of current at the connecting end of the high voltage end and the low voltage end.

[0007] The above technical scheme is adopted, and the high voltage end and the low voltage end are respectively converted by the first resistance and the second resistance, so that the high voltage end provides smaller current, and the low voltage end provides larger current, so that the voltage stabilizing output end provides stable 3.3V working voltage for the MCU chip.

[0008] The utility model further sets up, power supply module is equipped with power chip, signal amplification module is equipped with power electronic switch pipe for controlling low voltage end on -off, power chip electric connection has power electronic switch pipe.

[0009] Adopt above -mentioned technical scheme, signal amplification module controls the conversion of current of MCU chip, through power electronic switch pipe is controlled low voltage end circuit on -off, make it with MCU chip inside logic signal corresponding, and power electronic switch pipe can protect MCU chip's IO pin, prevent external factor interference circuit.

[0010] The utility model further sets up, signal amplification module is equipped with triode, MCU chip is connected with high voltage end and power electronic switch pipe respectively through triode.

[0011] Further, the signal amplification module is provided with a release diode for protecting the triode, and the two ends of the release diode are electrically connected to the collector and the emitter of the triode respectively.

[0012] Adopt above -mentioned technical scheme, the collector of triode connects high voltage end, and it is used for amplifying signal current, through release diode can absorb the high voltage instantaneous pulse generated in the power grid, share the pressure of triode, improve the service life of signal amplification module.

[0013] The utility model further sets up, communication module is equipped with with MCU chip electric connection's external port.

[0014] Adopt above -mentioned technical scheme, external port is general interface, satisfies the demand of remote control reclosing work.

[0015] The utility model further sets up, communication module is equipped with with MCU chip electric connection's state indicating lamp.

[0016] Adopt above -mentioned technical scheme, through the display of indicating lamp, can very intuitively view control signal, judge the control state of reclosing, satisfy the need of man -machine interaction.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] The power supply module and the voltage stabilizing module form two groups of power supply circuits with different current sizes, the main control module can freely switch between the two groups of power supply circuits, can start the circuit with larger current instantaneously, the signal amplification module makes the motor module react sensitively, controls the reclosing to be opened or closed in time according to the change of the circuit state, and makes the control circuit consume low energy in static state, prolongs the service life of the circuit.

[0019] The utility model embodiment is further described below with reference to the drawings. DRAWINGS

[0020] Figure 1 It is the structural schematic view of the circuit diagram in the utility model;

[0021] Figure 2 It is the structural schematic view of the circuit diagram in the utility module;

[0022] Figure 3 It is the structural schematic view of the circuit diagram in the utility module;

[0023] Figure 4 It is the structural schematic view of the circuit diagram in the utility module;

[0024] Figure 5 It is the structural schematic view of the circuit diagram in the utility module;

[0025] Among them: 1 - power module, 2 - signal amplification module, 3 - voltage stabilizing module, 4 - communication module, 5 - motor module, 6 - main control module, 7 - MCU chip, 8 - first resistor, 9 - second resistor, 11 - power supply chip, 12 - power electronic switch tube, 13 - triode, 14 - release diode, 17 - external port, 18 - state indicator lamp, 100 - high voltage end, 110 - low voltage end, 120 - voltage stabilizing output end; Specific implementation

[0026] As Figure 1 shown, the utility model provides a kind of low-power reclosing circuit structure, including power module 1, signal amplification module 2, voltage stabilizing module 3, communication module 4, motor module 5 and main control module 6, power module 1 is equipped with the high voltage end 100 for signal amplification module 2 provides power supply, and the low voltage end 110 for motor module 5 provides power supply, and high voltage end 100 and low voltage end 110 are electrically connected with main control module 6 by voltage stabilizing module 3, and respectively provide the power supply required for low-power state, high-power state of main control module 6, main control module 6 is electrically connected with communication module 4 for external control, and motor module 5 for controlling motor drive, and signal amplification module 2 for detecting peripheral circuit state.

[0027] Combined Figure 2 , 3As shown, in this embodiment, the main control module 6 is provided with an MCU chip 7, and the voltage stabilizing module 3 is provided with a voltage stabilizing output terminal 120 for providing power to the MCU chip 7. The connection ends of the voltage stabilizing module 3 located at the high-voltage end 100 and the low-voltage end 110 are respectively provided with a first resistor 8 and a second resistor 9 for controlling the current size. The high-voltage end 100 and the low-voltage end 110 convert the current through the first resistor 8 and the second resistor 9 respectively, so that the high-voltage end 100 provides a smaller current and the low-voltage end 110 provides a larger current, respectively putting the circuit in a low-power state and a high-speed working state, so that the voltage stabilizing output terminal 120 provides a stable 3.3V working voltage for the MCU chip 7.

[0028] Combine Figure 4 、 5 As shown, in this embodiment, the power supply module 1 is provided with a power chip 11, the signal amplification module 2 is provided with a power electronic switch tube 12 for controlling the on and off of the low-voltage end 110, the power chip 11 is electrically connected to the power electronic switch tube 12, the signal amplification module 2 is provided with a transistor 13, the MCU chip 7 is respectively connected to the high-voltage end 100 and the power electronic switch tube 12 through the transistor, the signal amplification module 2 is provided with a release diode 14 for protecting the transistor 13, and the two ends of the release diode 14 are respectively electrically connected to the collector and emitter of the transistor 13, and the base of the transistor 13 is electrically connected to the base of the transistor 13. It is connected to the OPEN interface of the MCU chip 7 to manage and calculate the working status of this circuit. It will change the OPEN interface at the most appropriate time to realize the control of the current of the circuit. The power electronic switch tube 12 is used to control the on and off of the low-voltage end 110 circuit to make it correspond to the logic signal in the MCU chip 7. The power electronic switch tube 12 can protect the IO pin of the MCU chip 7 to prevent external factors from interfering with the circuit. The communication module 4 is provided with an external port 17 and a status indicator light 18 electrically connected to the KZV pin of the MCU chip 7.

[0029] In the present invention, the power supply module 1 and the voltage stabilizing module 3 are combined to form two groups of power supply circuits with different current sizes, wherein the current passing through the voltage stabilizing module 3 at the high-voltage end 100 is smaller, and the current passing through the voltage stabilizing module 3 at the low-voltage end 110 is larger. The logic code allows the MCU chip 7 to detect the state of the power supply module 1 and switch freely between the two groups of power supply circuits. The MCU chip 7 can instantly start the circuit with larger current. Through the action of the signal amplification module 2, the motor module 5 quickly controls the motor on the reclosing switch to work, thereby controlling the reclosing switch to open or close in time according to the change of the circuit state, and the control circuit has low energy consumption when static, thereby extending the service life of the circuit.

[0030] In addition to the above embodiments, the present invention may also have other implementation methods. Any technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present invention.

Claims

1. A low power consumption reclosing circuit structure, characterized by, The application relates to a power supply module (1), a signal amplification module (2), a voltage stabilizing module (3), a communication module (4), a motor module (5) and a main control module (6), wherein the power supply module (1) is provided with a high-voltage end (100) for providing power supply for the signal amplification module (2) and a low-voltage end (110) for providing power supply for the motor module (5), the high-voltage end (100) and the low-voltage end (110) are electrically connected with the main control module (6) through the voltage stabilizing module (3), and the main control module (6) is provided with power supply required in low-power consumption states and high-power consumption states, the main control module (6) is electrically connected with the communication module (4) for external control, the motor module (5) for controlling motor driving and the signal amplification module (2) for detecting the state of a peripheral circuit.

2. The low power consumption reclosing circuit structure according to claim 1, characterized in that: The main control module (6) is provided with an MCU chip (7), and the voltage stabilizing module (3) is provided with a voltage stabilizing output end (120) for providing power supply for the MCU chip (7).

3. The low power crowbar circuit structure of claim 2, wherein: The voltage stabilizing module (3) is provided with a first resistor (8) and a second resistor (9) for controlling the current size at the connecting end of the high-voltage end (100) and the low-voltage end (110).

4. The low power crowbar circuit structure of claim 2, wherein: The power supply module (1) is provided with a power supply chip (11), the signal amplification module (2) is provided with a power electronic switch tube (12) for controlling the on-off of the low-voltage end (110), and the power supply chip (11) is electrically connected with the power electronic switch tube (12).

5. The low power crowbar circuit structure of claim 4, wherein: The signal amplification module (2) is provided with a triode (13), and the MCU chip (7) is connected with the high-voltage end (100) and the power electronic switch tube (12) through the triode.

6. The low power crowbar circuit structure of claim 5, wherein: The signal amplification module (2) is provided with a release diode (14) for protecting the triode (13), and the two ends of the release diode (14) are electrically connected with the collector and the emitter of the triode (13) respectively.

7. The low power crowbar circuit structure of claim 2, wherein: The communication module (4) is provided with an external port (17) electrically connected with the MCU chip (7).

8. The low power crowbar circuit structure of claim 2, wherein: The communication module (4) is provided with a state indicating lamp (18) electrically connected with the MCU chip (7).

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