Circuit breaker protection module

Abstract

The utility model discloses a breaker protection module, which comprises a shell, a sealing cover, a handle and a tripping rod, the sealing cover is arranged on one side of the shell, the handle is arranged on one side of the sealing cover, the tripping rod is arranged in the shell, four pressure-resistant pads are arranged on the back of the shell, one side of each pressure-resistant pad is provided with a pressure-resistant strip, and the other side of each pressure-resistant pad is provided with a pressure-resistant strip. A protruding plate is arranged at one end of each of two adjacent compression-resistant strips, two side plates are fixedly mounted on one side of each of the two protruding plates, the protruding plates, limiting bolts, a first magnet strip, a protective cover, a second magnet strip and a sealing plate are arranged, the four limiting bolts are in threaded connection with the power distribution cabinet, the protective cover is gradually moved to the positions of the protruding plates, and therefore the protective cover is fixed to the power distribution cabinet. The protective cover and the protruding plate can be installed by matching installation of the sealing plate and the protective cover, the exposed part of the limiting bolt can be covered, the service life of the limiting bolt can be prolonged by covering the limiting bolt, and mechanical strength reduction caused by corrosion is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a circuit breaker technical field, in particular to a circuit breaker protection module. BACKGROUND

[0002] Small circuit breaker is also called micro circuit breaker, is suitable for alternating current 50 / 60Hz rated voltage 230 / 400V, rated current is not more than 125A, also can be used as the infrequent operation conversion of line under normal circumstances, small circuit breaker is mainly used in industry, business, high-rise and civil residence various places, small leakage circuit breaker is the switch that can automatically act when the leakage current in the circuit exceeds the predetermined value, can protect the safety of the person and electric appliance, small leakage circuit breaker includes a plurality of L line circuit breaker unit, and the N line leakage protection module that is assembled with a plurality of L line circuit breaker unit.

[0003] In the patent with the publication number CN221596350U discloses a circuit breaker's leakage protection module, including the handle that is rotationally arranged in the shell, the contact holder that is rotationally arranged in the shell, the lock catch that is rotationally arranged on the contact holder, the leakage indicator that is rotationally arranged on the contact holder, the torsion spring that is arranged between the lock catch and the leakage indicator, the jump catch that is rotationally arranged on the contact holder and is matched with the lock catch, the U-shaped rod that is connected between the handle and the jump catch, the leakage release that is arranged in the shell, the release lever that is rotationally arranged in the shell and is linked with the leakage release.

[0004] The contact holder, leakage indicator in the above-mentioned technology are connected on the shell through the pin shaft, so as to facilitate the assembly of the contact holder, leakage indicator and the shell, and the assembly efficiency is higher, the shell is often connected with the power distribution cabinet to be detected through the bolt, the bolt is exposed to the external environment for a long time, is easy to be damp and corroded, and the mechanical strength will decrease, so the technology is innovated. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a circuit breaker protection module to solve the problem that the shell is often connected with the power distribution cabinet to be detected through the bolt, the bolt is exposed to the external environment for a long time, is easy to be damp and corroded, and the mechanical strength will decrease.

[0006] To achieve the above object, the utility model provides the following technical scheme: a circuit breaker protection module, including casing, airtight cover, handle and trip lever, the airtight cover sets up at one side of casing, the handle sets up at one side of airtight cover, the trip lever sets up in the inside of casing, the back of casing is provided with four compression pads, one side of four compression pads is provided with compression strip, one end of adjacent two compression strips is provided with the baulk, one side of two baulks is fixedly installed with two side plates, one side of two baulks is provided with two limit bolts, one side of two baulks is provided with four first magnet strips, one side of two baulks is provided with two protective coverings.

[0007] As a preferred technical scheme of the utility model, one side of four protective coverings is provided with two second magnet strips, and the lengths of eight first magnet strips are equal to the lengths of eight second magnet strips.

[0008] As a preferred technical scheme of the utility model, eight first magnet strips are respectively magnetically connected with eight second magnet strips.

[0009] As a preferred technical scheme of the utility model, one side of two baulks is provided with two clamping holes, and one side of four protective coverings is provided with sealing plates.

[0010] As a preferred technical scheme of the utility model, one side of four sealing plates is provided with protrusions, and one end of four protrusions is respectively screw-connected with the inside of four clamping holes.

[0011] As a preferred technical scheme of the utility model, the inside of four sealing plates is fixedly installed with observation plates.

[0012] As a preferred technical scheme of the utility model, one end of four compression strips is respectively fixedly connected with one side of four compression pads.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1、The utility model discloses a baulk, limit bolt, first magnet strip, protective covering, second magnet strip and sealing plate are set up, and rely on four limit bolts and switch board screw connection, and gradually move protective covering to the position of baulk, because first magnet strip and second magnet strip magnetically connect, can install protective covering and baulk, cooperate sealing plate and the installation of protective covering, can cover the exposed part of limit bolt, can prolong its service life by covering limit bolt, avoid the mechanical strength drop due to corrosion.

[0015] 2, the utility model discloses a observation board, card hole, convex strip and compression strip are set up, and the one side of protective cover is closely combined with the one side of side plate, then the one side of sealing plate is combined to the other side of protective cover, and one end of convex strip is embedded to the inside of card hole, and the both are clamped, thereby can realize the installation of protective cover and sealing plate. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the front view structural schematic diagram of the utility model;

[0017] Figure 2 It is the local back view structural schematic diagram of the utility model;

[0018] Figure 3 It is the local front view structural schematic diagram of the utility model;

[0019] Figure 4 It is the Figure 3 Enlarged view of A in the utility model.

[0020] In the drawing: 1, shell; 2, airtight cover; 3, handle; 4, trip lever; 5, compression pad; 6, compression strip; 7, convex plate; 8, side plate; 9, limit bolt; 10, card hole; 11, first magnet strip; 12, protective cover; 13, second magnet strip; 14, sealing plate; 15, observation board; 16, convex strip. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides a kind of technical scheme of circuit breaker protection module:

[0023] Embodiment one:

[0024] As Figures 1-3As shown, a circuit breaker protection module, including a shell 1, a sealed cover 2, a handle 3 and a trip lever 4, the sealed cover 2 is arranged on one side of the shell 1, the handle 3 is arranged on one side of the sealed cover 2, the trip lever 4 is arranged in the interior of the shell 1, the back of the shell 1 is provided with four compression pads 5, one side of the four compression pads 5 is provided with a compression strip 6, one end of the adjacent two compression strips 6 is provided with a lug plate 7, two lug plates 7 are fixedly installed with two side plates 8 on one side, two lug plates 7 are provided with two limiting bolts 9 on one side, two lug plates 7 are provided with four first magnet strips 11 on the other side, two lug plates 7 are provided with two protective covers 12 on one side, the protective cover 12 is gradually moved to the position of the lug plate 7, because the first magnet strip 11 and the second magnet strip 13 are magnetically connected, the protective cover 12 and the lug plate 7 can be installed, and the sealing plate 14 and the protective cover 12 are installed, the exposed part of the limiting bolt 9 can be covered, the service life of the limiting bolt 9 can be prolonged by covering the limiting bolt 9, and the mechanical strength caused by corrosion can be avoided.

[0025] Example two:

[0026] Based on example one, as shown in Figure 1 and Figure 4 two lug plates 7 are provided with two clamping holes 10 on one side, four protective covers 12 are provided with sealing plates 14 on one side, four sealing plates 14 are provided with protrusions 16 on one side, four protrusions 16 are respectively screwed into the interiors of four clamping holes 10, by setting the observation plate 15, the clamping hole 10, the protrusion 16 and the compression strip 6, one side of the protective cover 12 is tightly attached to one side of the side plate 8, then one side of the sealing plate 14 is attached to the other side of the protective cover 12, one end of the protrusion 16 is embedded into the interior of the clamping hole 10, and the two are clamped together, so that the installation of the protective cover 12 and the sealing plate 14 can be realized.

[0027] Working principle: small circuit breaker, also known as miniature circuit breaker, is suitable for AC 50 / 60Hz rated voltage 230 / 400V, rated current not more than protective cover 125A, it can also be used as a line under normal circumstances for infrequent operation switching, small circuit breaker is mainly used in industry, commerce, high-rise and residential places, small leakage circuit breaker is a switch that can automatically act when the leakage current in the circuit exceeds the predetermined value, which can protect the safety of the human body and electrical appliances, small leakage circuit breaker includes a plurality of L line circuit breaker units, and a plurality of L line circuit breaker units are assembled with N line leakage protection module, reference is made to the attached Figure 3With the above technology, the inside of the shell 1 is provided with a measuring and sampling part, a processing and control unit, a protection function module, an output and control part, a communication interface and a power module, the measuring and sampling part is used for real-time monitoring of the current size, converting high current into smaller measurable signals, the processing and control unit is responsible for receiving signals from the measuring part, analyzing and operating, executing protection logic, the protection function module is used for detecting overload condition, when the current exceeds the set value, the circuit breaker will trip, the circuit breaker protection module will drive the circuit breaker to switch operation through the relay, the communication module supports data exchange with external equipment, the shell is connected with the power distribution cabinet to be detected by bolts in the above technology, the bolts are exposed to the outside environment for a long time, are prone to damp corrosion, and the mechanical strength will decrease, therefore, the technology is innovated, the protective cover 12 is gradually moved to the position of the lug plate 7 by relying on the four limiting bolts 9 and the power distribution cabinet threaded connection, since the first magnet strip 11 and the second magnet strip 13 are magnetically connected, the protective cover 12 and the lug plate 7 can be installed, the limiting bolt 9 exposed part can be covered by cooperating with the installation of the sealing plate 14 and the protective cover 12, the service life of the limiting bolt 9 can be prolonged by covering the limiting bolt 9, the mechanical strength decrease caused by corrosion is avoided, one side of the protective cover 12 is closely attached to one side of the side plate 8, then one side of the sealing plate 14 is attached to the other side of the protective cover 12, one end of the convex strip 16 is embedded into the inside of the clamping hole 10, and the protective cover 12 and the sealing plate 14 can be installed by clamping.

[0028] In the description of the present application, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation on the present application.

[0029] In the present application, unless otherwise explicitly specified and limited, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements, unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in the present application according to the specific situation.

[0030] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A circuit breaker protection module comprising a housing (1), a sealed cover (2), a handle (3) and a trip lever (4), the sealed cover (2) is arranged on one side of the housing (1), the handle (3) is arranged on one side of the sealed cover (2), and the trip lever (4) is arranged inside the housing (1), characterized in that: The back of the shell (1) is provided with four compression pads (5), one side of the four compression pads (5) is provided with a compression strip (6), one end of two adjacent compression strips (6) is provided with a lug plate (7), two lug plates (7) are fixedly installed with two side plates (8) on one side, two lug plates (7) are provided with two limiting bolts (9) on one side, two lug plates (7) are provided with four first magnet strips (11) on the other side, two lug plates (7) are provided with two protective covers (12) on one side.

2. The circuit breaker protection module of claim 1, wherein: One side of the four protective covers (12) is provided with two second magnet strips (13), and the lengths of the eight first magnet strips (11) are equal to the lengths of the eight second magnet strips (13).

3. The circuit breaker protection module of claim 2, wherein: Eight first magnet strips (11) are respectively magnetically connected with eight second magnet strips (13).

4. The circuit breaker protection module of claim 1, wherein: Two lug plates (7) are provided with two clamping holes (10) on one side, and four protective covers (12) are provided with sealing plates (14) on one side.

5. The circuit breaker protection module of claim 4, wherein: One side of the four sealing plates (14) is provided with a convex strip (16), and one end of the four convex strips (16) is respectively screwed with the inside of the four clamping holes (10).

6. The circuit breaker protection module of claim 5, wherein: Four sealing plates (14) are internally fixedly installed with observation plates (15).

7. The circuit breaker protection module of claim 1, wherein: One end of the four compression strips (6) is respectively fixedly connected with one side of the four compression pads (5).

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