Anti-arcing direct-current electric operator for circuit breaker

Abstract

The utility model belongs to the technical field of electric operation, and particularly relates to an arc discharge prevention direct current electric operation device for a circuit breaker, which comprises a microswitch arranged in an electric operation mechanism, and an arc absorption capacitor electrically connected with the microswitch, the arc absorber is used for absorbing the arc generated by the microswitch when the microswitch is electrified to work in the electric operation mechanism; according to the utility model, the arc-absorbing capacitor is additionally arranged to be connected with the microswitch, the microswitch is protected through the arc-absorbing effect of the arc-absorbing capacitor, the problem of arc discharge of the microswitch is solved, and meanwhile, the arc-absorbing capacitor is fixedly mounted, so that the damage of mounting pins of the arc-absorbing capacitor caused by vibration when the electric operating mechanism works can be avoided, and the service life can be prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric operation, and in particular relates to an arc-proof direct current electric operation for a circuit breaker. Background Art

[0002] Electric control is used in the fields of wind power and photovoltaics because they use DC power supplies.

[0003] The existing electric operation is limited by the overall switch space. The micro switch currently used has a small capacity. When using a DC power supply, arcing will occur, resulting in the motor not being able to be powered off in time or not being able to be powered off. At the same time, when the motor is powered on for a long time, it is easy to cause excessive temperature rise and excessive current, which may cause the motor to burn out.

[0004] Therefore, it is urgent to develop a new anti-arc DC operator for circuit breakers to solve the above problems. Utility Model Content

[0005] The utility model aims to provide an arc-proof DC operator for a circuit breaker.

[0006] In order to solve the above technical problems, the utility model provides an arc-proof DC electric operator for a circuit breaker, which comprises: a micro switch installed in an electric operator mechanism, and an arc-absorbing capacitor electrically connected to the micro switch for absorbing the arc generated when the micro switch is energized and working in the electric operator mechanism.

[0007] Furthermore, the arc-absorbing capacitor is connected to the micro switch via a lead wire.

[0008] Furthermore, the arc-absorbing capacitor is installed on a bracket of the electric operating mechanism.

[0009] Furthermore, the arc-absorbing capacitor is fixedly installed in the filter of the electric operating mechanism.

[0010] Furthermore, the arc-proof DC electric operator for circuit breaker further comprises: an installation box; the arc-absorbing capacitor is fixedly installed in the installation box, and the installation box is fixedly installed on the bracket of the electric operator mechanism.

[0011] Furthermore, the anti-arc DC switch for circuit breaker also includes: a DC power supply; the micro switch is electrically connected to the DC power supply.

[0012] The beneficial effect of the utility model is that the utility model connects the micro switch with an additional arc-absorbing capacitor, protects the micro switch through the arc-absorbing effect of the arc-absorbing capacitor, solves the arcing problem of the micro switch, and at the same time fixes the arc-absorbing capacitor to avoid damage to the mounting feet of the arc-absorbing capacitor due to vibration when the electric operating mechanism is working, thereby increasing the service life.

[0013] Other features and advantages of the present invention will be set forth in the following description, and in part will become apparent from the description, or may be understood by implementing the present invention.

[0014] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 This is a circuit diagram of an arc-proof DC circuit breaker of the utility model;

[0017] Figure 2 The utility model is a structural diagram of an arc-proof DC operator for a circuit breaker.

[0018] In the figure:

[0019] K1, micro switch; C1, arc-absorbing capacitor; 1, filter; 2, electric operating mechanism. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Embodiment 1, in this embodiment, as Figure 1 to Figure 2 As shown, this embodiment provides an arc-proof DC electric operator for a circuit breaker, which includes: a micro switch K1, which is installed in the electric operator 2, and an arc-absorbing capacitor C1, which is electrically connected to the micro switch K1 and is used to absorb the arc generated when the micro switch K1 is powered on in the electric operator 2.

[0022] In this embodiment, an arc-absorbing capacitor C1 is added to connect with the micro switch K1, and the arc-absorbing effect of the arc-absorbing capacitor C1 is used to protect the micro switch K1, thereby solving the arcing problem of the micro switch K1. At the same time, the arc-absorbing capacitor C1 is fixedly installed, which can prevent the installation foot of the arc-absorbing capacitor C1 from being damaged due to vibration when the electric operating mechanism 2 is working, thereby improving the service life.

[0023] In order to enable the arc-absorbing capacitor C1 to absorb the arc, the arc-absorbing capacitor C1 is connected to the micro switch K1 through a lead wire.

[0024] Specifically, the lead wire is connected to the arc-absorbing capacitor C1 and the micro switch K1 by welding.

[0025] In order to ensure the stability of the installation of the arc-absorbing capacitor C1 , the arc-absorbing capacitor C1 is installed on the bracket of the electric operating mechanism 2 .

[0026] Specifically, the arc-absorbing capacitor C1 is installed near the micro switch K1 to enhance the arc-absorbing effect of the arc-absorbing capacitor C1.

[0027] As an optional implementation of the installation position of the arc-absorbing capacitor C1 , the arc-absorbing capacitor C1 is fixedly installed in the filter 1 of the electric operating mechanism 2 .

[0028] Specifically, installing the arc-absorbing capacitor C1 in the original filter 1 can reduce costs, fix the arc-absorbing capacitor C1, and prevent the mounting foot of the arc-absorbing capacitor C1 from being damaged due to vibration during operation of the circuit breaker switch, thereby preventing the circuit breaker switch from failing to operate.

[0029] As another optional implementation of the installation position of the arc-absorbing capacitor C1, the anti-arcing DC electric operator for circuit breaker further comprises: an installation box; the arc-absorbing capacitor C1 is fixedly installed in the installation box, and the installation box is fixedly installed on the bracket of the electric operator 2.

[0030] In this embodiment, the anti-arc DC switch for circuit breaker further comprises: a DC power supply; and the micro switch K1 is electrically connected to the DC power supply.

[0031] To sum up, the utility model connects an arc-absorbing capacitor to the micro switch, protects the micro switch through the arc-absorbing effect of the arc-absorbing capacitor, solves the arcing problem of the micro switch, and fixes the arc-absorbing capacitor to avoid damage to the mounting feet of the arc-absorbing capacitor due to vibration when the electric operating mechanism is working, thereby increasing the service life.

[0032] All devices (parts without specific structure) selected in this application are universal standard parts or parts known to those skilled in the art, and their structures and principles are known to those skilled in the art through technical manuals or conventional experimental methods. In addition, the software programs involved in this application are all prior art, and this application does not involve any improvement to the software programs.

[0033] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0035] In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. The device embodiments described above are merely schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some communication interfaces, and the indirect coupling or communication connection of devices or units can be electrical, mechanical or other forms.

[0036] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0037] In addition, each functional unit in each embodiment of the present utility model may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

[0038] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. An arc-proof DC operator for a circuit breaker, characterized in that: include: Micro switch, which is installed in the electric operating mechanism, and An arc-absorbing capacitor, which is electrically connected to the micro switch and is used to absorb the arc generated when the micro switch is powered on in the electric operating mechanism; The arc-absorbing capacitor is fixedly installed in the filter of the electric operating mechanism.

2. The arc-proof DC operator for circuit breaker according to claim 1, characterized in that: The arc-absorbing capacitor is connected to the micro switch through a lead wire.

3. The arc-proof DC operator for circuit breaker according to claim 1, characterized in that: The arc-absorbing capacitor is installed on a bracket of the electric operating mechanism.

4. The arc-proof DC operator for circuit breaker according to claim 1, characterized in that: Also includes: Installation box; The arc-absorbing capacitor is fixedly installed in the installation box, and the installation box is fixedly installed on the bracket of the electric operating mechanism.

5. The arc-proof DC operator for circuit breaker according to claim 1, characterized in that: Also includes: DC power supply; the micro switch is electrically connected to the DC power supply.

Images