Residual-current circuit breaker detection structure

Abstract

The utility model provides a residual-current circuit breaker detection structure, which belongs to the technical field of circuit breakers and comprises a flame-retardant shell and a driving lever, a power connection head is arranged on one side of the top of the flame-retardant shell, an operation cavity and a flame-retardant cavity are arranged on the inner wall of the flame-retardant shell in a separated manner, an electromagnet is arranged on the top of the inner wall of the operation cavity, and a control handle is rotatably connected to one side of the top of the inner wall of the operation cavity. A connecting wire is arranged at the bottom of the operation cavity; a torsional spring is arranged at the top of one side of the high-temperature-resistant insulating pressing plate; a deflector rod is arranged at one end of the torsional spring; one end of the deflector rod is hinged to the bottom of the control handle; according to the residual-current circuit breaker detection structure provided by the utility model, the high-temperature-resistant insulating pressing plate jumps to press the connecting wire and disconnect the connection with the power connection head, at the moment, the shifting rod picks up the control handle, the auxiliary operating rod abuts against the pressure sensor, and a power-off signal is transmitted to the wireless signal transmitter.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of circuit breaker, specifically relates to a leakage circuit breaker detection structure. BACKGROUND

[0002] The existing circuit breaker is detected in the process of tripping when the voltage is too large and power is off, the internal space is small and the parts are pressed mutually, the internal electrical elements are easily mistaken during maintenance, the leakage circuit breaker alarm prompting structure disclosed by the application number "CN202223328412.7" is also increasingly mature technology, the control handle is abutted with the conduction sheet when tripping upwards, and the conduction sheet is abutted with the pressure sensor, the alarm is started to alarm, the surrounding personnel are caused to pay attention, and the maintenance work is timely carried out to restore the circuit power. The pressure sensor, the alarm and the conduction sheet are all installed on the external shell of the leakage circuit breaker, so that installation is facilitated, and observation is easy, but the device still has the following defects: during use, after the circuit breaker is adjusted, the internal arc easily affects the use of the circuit board, the circuit breaker cannot timely notify the staff to maintain after tripping, the circuit breaker is mistakenly tripped due to various reasons during use, the power-off detection is affected, and the alarm triggering precision is reduced. SUMMARY

[0003] The utility model discloses a leakage circuit breaker detection structure, and aims at solving the problems that in the prior art, after the circuit breaker is adjusted during use, the internal arc easily affects the use of the circuit board, the circuit breaker cannot timely notify the staff to maintain after tripping, the circuit breaker is mistakenly tripped due to various reasons during use, the power-off detection is affected, and the alarm triggering precision is reduced.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: including fire -retardant shell and dialing rod, the fire -retardant shell top one side is equipped with the electricity head, the fire -retardant shell inner wall is separated and is equipped with operating cavity and fire -retardant cavity, the operating cavity inner wall top is equipped with the electromagnet, the operating cavity inner wall top one side is rotatably connected with control handle, the operating cavity inner wall bottom is hinged with high temperature resistant insulating pressboard, the operating cavity bottom is equipped with the connecting wire, the high temperature resistant insulating pressboard one side top is equipped with the torsional spring, the torsional spring in the high temperature resistant insulating pressboard top, the dialing rod one end is hinged in control handle bottom, the operating cavity inner wall bottom one side is embedded with wireless signal transmitter, the wireless signal transmitter one side is equipped with pressure sensor.

[0005] In the leakage circuit breaker detection structure implementation scheme of the utility model, the dialing rod bottom one side is equipped with the auxiliary operating rod.

[0006] In the scheme, when the electromagnet is ejected after power-off, the upper torsional spring is stretched, at this time, the high-temperature-resistant insulating pressing plate jumps to press the connecting line, disconnects the connection with the power connection head, at this time, the control handle is lifted by the lever, the vice operating rod abuts against the pressure sensor, and the power-off signal is transmitted to the wireless signal transmitter, and the wireless signal transmitter remotely transmits the power-off signal.

[0007] In the leakage circuit breaker detection structure implementation scheme, the circuit board is arranged on the top of the inner wall of the flame-retardant cavity, the arc grid is arranged on the inner wall of the operation cavity, and the insulating pad is arranged on the outer wall of the arc grid.

[0008] In the scheme, when the electromagnet is ejected after power-off, the upper torsional spring is stretched, at this time, the high-temperature-resistant insulating pressing plate jumps to press the connecting line, disconnects the connection with the power connection head, at this time, the control handle is lifted by the lever, the vice operating rod abuts against the pressure sensor, and the power-off signal is transmitted to the wireless signal transmitter, and the wireless signal transmitter remotely transmits the power-off signal.

[0009] In the leakage circuit breaker detection structure implementation scheme, the circuit board is arranged on the top of the inner wall of the flame-retardant cavity, the arc grid is arranged on the inner wall of the operation cavity, and the insulating pad is arranged on the outer wall of the arc grid.

[0010] In the scheme, when the electromagnet is ejected after power-off, the upper torsional spring is stretched, at this time, the high-temperature-resistant insulating pressing plate jumps to press the connecting line, disconnects the connection with the power connection head, at this time, the control handle is lifted by the lever, the vice operating rod abuts against the pressure sensor, and the power-off signal is transmitted to the wireless signal transmitter, and the wireless signal transmitter remotely transmits the power-off signal.

[0011] In the leakage circuit breaker detection structure implementation scheme, the circuit board is arranged on the top of the inner wall of the flame-retardant cavity, the arc grid is arranged on the inner wall of the operation cavity, and the insulating pad is arranged on the outer wall of the arc grid.

[0012] In the scheme, when the electromagnet is ejected after power-off, the upper torsional spring is stretched, at this time, the high-temperature-resistant insulating pressing plate jumps to press the connecting line, disconnects the connection with the power connection head, at this time, the control handle is lifted by the lever, the vice operating rod abuts against the pressure sensor, and the power-off signal is transmitted to the wireless signal transmitter, and the wireless signal transmitter remotely transmits the power-off signal.

[0013] In the leakage circuit breaker detection structure implementation scheme, the circuit board is arranged on the top of the inner wall of the flame-retardant cavity, the arc grid is arranged on the inner wall of the operation cavity, and the insulating pad is arranged on the outer wall of the arc grid.

[0014] In the scheme, when the electromagnet is ejected after power-off, the upper torsional spring is stretched, at this time, the high-temperature-resistant insulating pressing plate jumps to press the connecting line, disconnects the connection with the power connection head, at this time, the control handle is lifted by the lever, the vice operating rod abuts against the pressure sensor, and the power-off signal is transmitted to the wireless signal transmitter, and the wireless signal transmitter remotely transmits the power-off signal.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1) through the high-temperature-resistant insulating pressing plate that is arranged, the connecting line is pressed, disconnects the connection with the power connection head, at this time, the control handle is lifted by the lever, the vice operating rod abuts against the pressure sensor, and the power-off signal is transmitted to the wireless signal transmitter, and the wireless signal transmitter remotely transmits the power-off signal, can remote notification power-off condition;

[0017] 2) the arc generated by the disconnection of the top of the connecting line is conducted to the arc grid, the high temperature generated by the arc is avoided, the arc current transmission is interrupted by the insulating pad, the high temperature generated by the arc is insulated from the circuit board, when the arc current is conducted to the arc grid, the current sensor senses the current, at this time, the power-off signal is conducted to the circuit board, and the accuracy of the power-off signal is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings are included to provide a further understanding of the present application and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and serve to explain the present application, and do not constitute a limitation on the present application. In the drawings:

[0019] Figure 1 It is a structural schematic diagram of the present application;

[0020] Figure 2 It is a structural schematic diagram of the operation cavity of the present application;

[0021] Figure 3 It is a structural schematic diagram of the flame-retardant cavity of the present application.

[0022] In the drawings: 1, flame-retardant shell; 2, power connection head; 3, operation cavity; 4, flame-retardant cavity; 5, electromagnet; 6, control handle; 7, high-temperature-resistant insulating pressing plate; 8, connecting line; 9, torsional spring;

[0023] 10, lever; 11, wireless signal transmitter; 12, pressure sensor; 13, auxiliary operation lever; 14, circuit board; 15, arc grid; 16, insulating pad; 17, rechargeable battery; 18, power switch; 19, current sensor;

[0024] 20, buzzer alarm; 21, alarm lamp. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] Please refer to Figure 1 - Figure 3The utility model provides the following technical scheme: A leakage circuit breaker detection structure, including fire -retardant shell 1 and dial lever 10, fire -retardant shell 1 top one side is equipped with the electric head 2, fire -retardant shell 1 inner wall is separated and is equipped with operating cavity 3 with fire -retardant cavity 4, operating cavity 3 inner wall top is equipped with the electromagnet 5, operating cavity 3 inner wall top one side is rotatably connected with control handle 6, operating cavity 3 inner wall bottom is hinged with high temperature resistant insulation pressboard 7, operating cavity 3 bottom is equipped with connecting wire 8, high temperature resistant insulation pressboard 7 one side top is equipped with to torsional spring 9, the torsional spring 9 of high temperature resistant insulation pressboard 7 top, dial lever 10 one end is hinged in control handle 6 bottom, operating cavity 3 inner wall bottom one side is embedded with wireless signal transmitter 11, and one side of wireless signal transmitter 11 is equipped with pressure sensor 12.

[0027] Specific leakage circuit breaker detection structure embodiment, please refer to Figure 2 : dial lever 10 bottom one side is equipped with vice operating rod 13.

[0028] Please refer to Figure 2 : when electromagnet 5 is powered off and pops out, drives the torsional spring 9 of upper side and stretches, at this moment, high temperature resistant insulation pressboard 7 jumps and presses connecting wire 8, disconnects with the connection of electric head 2, at this moment, dial lever 10 lifts control handle 6, and vice operating rod 13 is resisted to pressure sensor 12, and transmission power -off signal reaches wireless signal transmitter 11, and wireless signal transmitter 11 remote transmission power -off signal.

[0029] Specific leakage circuit breaker detection structure embodiment, please refer to Figure 3 : fire -retardant cavity 4 inner wall top is equipped with circuit board 14, and operating cavity 3 inner wall is equipped with electric arc grid 15, and electric arc grid 15 outer wall is equipped with insulating pad 16.

[0030] Please refer to Figure 3 : when power -off, the electric arc of the top of connecting wire 8 power -off generates and is conducted to electric arc grid 15, avoids the high temperature of electric arc generation, and the transmission of electric arc current is cut off by insulating pad 16, and the high temperature of electric arc generation is isolated, and circuit board 14 works.

[0031] Specific leakage circuit breaker detection structure embodiment, please refer to Figure 2 : fire -retardant shell 1 top other side is equipped with charging battery 17, and charging battery 17 one side is equipped with power switch 18.

[0032] Please refer to Figure 2 : when power -off, power switch 18 switches the circuit of circuit board 14, and makes buzzer 20 and alarm lamp 21 continue to work.

[0033] Specific leakage circuit breaker detection structure embodiment, please refer to Figure 3 : electric arc grid 15 top is equipped with current sensor 19.

[0034] Please refer to Figure 3 : When the arc current is conducted to the arc grid 15, the current inductor 19 senses the current, at this time the power-off signal is conducted to the circuit board 14, the power-off signal accuracy is improved.

[0035] In a specific leakage circuit breaker detection structure embodiment, please refer to Figure 1 : The other side of the top of the flame-retardant shell 1 is provided with a buzzer 20, and the top of the buzzer 20 is provided with an alarm lamp 21.

[0036] Please refer to Figure 1 : After power-off, the buzzer 20 is controlled by the circuit board 14 to issue an alarm and the alarm lamp 21 is lit to inform the indoor personnel.

[0037] The leakage circuit breaker detection structure provided by the utility model, the specific use mode is: when the electromagnet 5 is ejected after power-off and drives the torsion spring 9 above to stretch, at this time the high-temperature-resistant insulating pressing plate 7 jumps to press the connecting line 8, the connection with the power head 2 is disconnected, the power supply switch 18 switches the circuit board 14 to use the circuit, so that the buzzer 20 and the alarm lamp 21 continue to work, at this time the lever 10 picks up the control handle 6, the vice operating rod 13 abuts against the pressure sensor 12, the power-off signal is transmitted to the wireless signal transmitter 11, the wireless signal transmitter 11 remotely transmits the power-off signal, the arc generated by the power-off of the top of the connecting line 8 is conducted to the arc grid 15, the high temperature generated by the arc is avoided, the arc current transmission is interrupted by the insulating pad 16, and the high temperature generated by the arc is also insulated to affect the work of the circuit board 14, when the arc current is conducted to the arc grid 15, the current inductor 19 senses the current, at this time the power-off signal is conducted to the circuit board 14, the power-off signal accuracy is improved, the buzzer 20 is controlled by the circuit board 14 to issue an alarm and the alarm lamp 21 is lit to inform the indoor personnel.

[0038] Finally, it should be noted that: the above only for preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An electric leakage circuit breaker detection structure comprising a fire retardant housing (1) and a lever (10), characterized in that: The fire -retardant shell (1) top one side is equipped with the electric head (2), the fire -retardant shell (1) inner wall is equipped with the operating cavity (3) and the fire -retardant cavity (4) separately, the operating cavity (3) inner wall top is equipped with the electromagnet (5), the operating cavity (3) inner wall top one side is rotatably connected with the control handle (6), the operating cavity (3) inner wall bottom is hinged with the high temperature resistant insulation pressboard (7), the operating cavity (3) bottom is equipped with the connecting wire (8), the high temperature resistant insulation pressboard (7) one side top is equipped with the torsion spring (9), is located the torsion spring (9) of the high temperature resistant insulation pressboard (7) top, the lever (10) one end is hinged in the control handle (6) bottom, the operating cavity (3) inner wall bottom one side is embedded with the wireless signal transmitter (11), the wireless signal transmitter (11) one side is equipped with the pressure sensor (12).

2. The electric leakage circuit breaker detection structure according to claim 1, characterized in that: The lever (10) bottom one side is equipped with the auxiliary operating rod (13).

3. The electric leakage circuit breaker detection structure according to claim 1, characterized in that: The fire -retardant cavity (4) inner wall top is equipped with the circuit board (14), the operating cavity (3) inner wall is equipped with the electric arc grid (15), the electric arc grid (15) outer wall is equipped with the insulating pad (16).

4. The electric leakage circuit breaker detection structure according to claim 3, characterized in that: The fire -retardant shell (1) top other side is equipped with the charging battery (17), the charging battery (17) one side is equipped with the power switch (18).

5. The electric leakage circuit breaker detection structure according to claim 3, characterized in that: The electric arc grid (15) top is equipped with the current inductor (19).

6. The electric leakage circuit breaker detection structure according to claim 1, characterized in that: The fire -retardant shell (1) top other side is equipped with the buzzer alarm (20), the buzzer alarm (20) top is equipped with the alarm lamp (21).

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