CN215870277U - Circuit breaker protection casing and switch board - Google Patents

Abstract

The application discloses circuit breaker protection casing and switch board relates to the electrical technology field. This circuit breaker protection casing includes framework and translucent cover, the translucent cover is used for through framework and distribution cabinet door connection to make the circuit breaker be located in the translucent cover, wherein, the framework with be provided with first sealed the pad between the translucent cover, the framework with be provided with the sealed pad of second between the distribution cabinet door. Can promote the protective effect to the circuit breaker to stability when promoting the use.

Description

Circuit breaker protection casing and switch board

Technical Field

The application relates to the field of electrical technology, particularly, relate to a circuit breaker protection casing and switch board.

Background

The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like. Moreover, after the fault current is cut off, parts do not need to be changed generally, and the current fault current breaking device is widely applied.

The circuit breaker is when installing the use, uses with the switch board cooperation usually, because the circuit is complicated in the switch board, and the switch board is often opened and can be increased unexpected emergence probability such as electrocute. At present, most total control circuit breakers usually expose a cabinet door of a power distribution cabinet, and the circuit breakers can be operated under the condition of not opening the power distribution cabinet.

In the prior art, the circuit breaker is usually exposed outside the power distribution cabinet, and other protective measures are not available, or the protective measures are poor, so that the effects of dust prevention, water prevention and the like cannot be well achieved, and the stability in use is influenced.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a circuit breaker protection casing and switch board can promote the protective effect to the circuit breaker to promote the stability when using.

The embodiment of the application is realized as follows:

an aspect of the embodiment of the application provides a circuit breaker protection casing, including framework and translucent cover, the translucent cover is used for passing through framework and distribution cabinet door connection to make the circuit breaker be located in the translucent cover, wherein, the framework with be provided with first sealed the pad between the translucent cover, the framework with be provided with the sealed pad of second between the distribution cabinet door.

Optionally, one side of the frame body facing the first sealing gasket is provided with a first groove, an opening of the transparent cover is provided with a folded edge, and the first sealing gasket and the folded edge are both located in the first groove.

Optionally, one side of the frame body facing the first sealing gasket is further provided with a limiting groove communicated with the first groove, the folded edge is provided with a positioning lug plate corresponding to the limiting groove, and the positioning lug plate can be clamped in the limiting groove.

Optionally, the tank bottom of spacing groove is provided with first locating hole, be provided with on the location otic placode with the via hole that first locating hole corresponds, first fastener passes in proper order the via hole with first locating hole, so that the translucent cover with fixed connection between the framework.

Optionally, one side of the distribution cabinet door, which faces the frame body, is provided with a second groove, the second sealing gasket comprises a supporting body and a flange arranged on the outer ring of the supporting body, a boss is arranged between the flange and the supporting body, the flange abuts against the groove wall of the second groove, the inner ring of the supporting body abuts against the circuit breaker, and the supporting body is pressed on the distribution cabinet door through the frame body.

Optionally, one side of the frame body facing the power distribution cabinet door is further provided with a reinforcing rib and a second positioning hole respectively.

Optionally, the frame body includes any one of a rectangular, circular, oval, and polygonal structure.

Optionally, the limiting groove and the positioning ear plate are respectively provided in a plurality of, and a plurality of, the limiting groove and the plurality of positioning ear plates are provided in one-to-one correspondence.

Optionally, the limiting grooves are symmetrically arranged corresponding to the central line of the frame body.

In another aspect of the embodiments of the present application, a power distribution cabinet is provided, which includes the breaker protection cover as described above.

The beneficial effects of the embodiment of the application include:

the embodiment of the application provides a circuit breaker protection casing and switch board through the framework to and the translucent cover of being connected with the framework, be favorable to fixing the translucent cover, adopt the translucent cover, be favorable to observing the operating condition of circuit breaker through the translucent cover, be favorable to promoting the convenience when circuit breaker protection casing uses. Through being connected framework and distribution cabinet door, be connected the translucent cover with the framework again to make the translucent cover pass through framework and distribution cabinet door junction, structural strength when being favorable to promoting the connection, when framework and distribution cabinet door connection, be equivalent to increased structure additional strengthening to distribution cabinet door connection translucent cover department, be favorable to promoting the stability of junction. In addition, through set up first sealed pad between framework and translucent cover, set up the sealed pad of second between framework and the distribution cabinet door, be favorable to promoting the leakproofness of junction, prevent to receive the influence of external factors such as dust or water. Thereby promote the protective effect to the circuit breaker to stability when promoting the use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a circuit breaker shield according to an embodiment of the present disclosure;

fig. 2 is a second schematic structural diagram of a circuit breaker shield according to an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of a frame provided in an embodiment of the present application;

fig. 4 is a schematic structural diagram of a transparent cover provided in an embodiment of the present application;

FIG. 5 is a schematic view of a mating structure of a frame and a second gasket according to an embodiment of the present disclosure;

fig. 6 is a schematic structural diagram of a second gasket provided in an embodiment of the present application.

Icon: 100-circuit breaker shield; 105-distribution cabinet door; 107-circuit breaker; 110-a frame body; 112-a first groove; 114-a limiting groove; 1142-a first locating hole; 116-a second groove; 117-reinforcing ribs; 118-a second positioning hole; 120-a transparent cover; 122-folding edges; 124-positioning ear plate; 1242-via holes; 130-a first gasket; 140-a second gasket; 142-a support body; 144-a rib; 146-boss.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The circuit breaker is usually exposed outside the power distribution cabinet in the prior art, and other protective measures are not available, or the protective measures are poor, so that the effects of dust prevention, water prevention and the like cannot be well achieved, and the stability in use is influenced. This application provides following scheme specially to promote the protective effect to the circuit breaker, and promote the stability when using.

Referring to fig. 1 and fig. 2, the present embodiment provides a protective cover 100 for a circuit breaker, including a frame 110 and a transparent cover 120, where the transparent cover 120 is used to connect with a power distribution cabinet door 105 through the frame 110, so that the circuit breaker 107 is located in the transparent cover 120, wherein a first sealing gasket 130 is disposed between the frame 110 and the transparent cover 120, and a second sealing gasket 140 is disposed between the frame 110 and the power distribution cabinet door 105.

Specifically, adopt translucent cover 120, be favorable to observing the operating condition of circuit breaker 107 through translucent cover 120, it is more directly perceived in the maintenance process of patrolling and examining. The transparent cover 120 is not particularly limited in the embodiment of the present application, and for example, the transparent cover 120 may be made of plastic or glass as long as the required structural strength and transparency can be satisfied.

When the transparent cover 120 is disposed on the distribution cabinet door 105 through the frame body 110 and the transparent cover 120 engaged with the frame body 110, the transparent cover 120 is connected to the frame body 110, and the frame body 110 is connected to the distribution cabinet door 105, so as to form a desired connection relationship. Wherein, be provided with first sealed pad 130 between framework 110 and the translucent cover 120, be favorable to guaranteeing the leakproofness between framework 110 and the translucent cover 120, simultaneously, have the sealed pad 140 of second between framework 110 and the distribution cabinet door 105, be favorable to guaranteeing the leakproofness between framework 110 and the distribution cabinet door 105, when especially the switch board is located the open air, be favorable to promoting waterproof dustproof performance.

The circuit breaker protection casing 100 that this application embodiment provided, through framework 110 to and the translucent cover 120 of being connected with framework 110, be favorable to fixing translucent cover 120, adopt translucent cover 120, be favorable to observing the operating condition of circuit breaker 107 through translucent cover 120, be favorable to promoting the convenience when circuit breaker protection casing 100 uses. Through being connected framework 110 and distribution cabinet door 105, be connected transparent cover 120 and framework 110 again to make transparent cover 120 pass through framework 110 and be connected with distribution cabinet door 105, be favorable to promoting the structural strength when connecting, when framework 110 is connected with distribution cabinet door 105, be equivalent to connect transparent cover 120 department to distribution cabinet door 105 and increased the structure additional strengthening, be favorable to promoting the stability of junction. In addition, the first sealing gasket 130 is arranged between the frame body 110 and the transparent cover 120, and the second sealing gasket 140 is arranged between the frame body 110 and the distribution cabinet door 105, so that the sealing performance of the joint is improved, and the influence of external factors such as dust, water and the like is prevented. Thereby promoting the protective effect to circuit breaker 107 to stability when promoting the use.

As shown in fig. 3 and 4, a first groove 112 is formed on a side of the frame body 110 facing the first gasket 130, a folded edge 122 is formed at an opening of the transparent cover 120, and both the first gasket 130 and the folded edge 122 are located in the first groove 112.

Specifically, adopt above-mentioned form, when the cooperation is connected between translucent cover 120 and the framework 110, the hem 122 of translucent cover 120 just in time can block in first recess 112, and first sealed pad 130 is located first recess 112, is favorable to carrying on spacingly to first sealed pad 130, avoids the skew that first sealed pad 130 took place the position, is favorable to promoting the stability of position relation when cooperating between framework 110, first sealed pad 130 and the translucent cover 120, guarantees sealed effect.

In addition, through setting up first recess 112, if the too big first sealed pad 130 department of causing of external rainfall capacity has the micro-seepage phenomenon, the water of the trace that permeates to first recess 112 department can be detained in first recess 112, avoids overflowing to other regions, is favorable to promoting the protection level.

With reference to fig. 3 and fig. 4, a limiting groove 114 communicated with the first groove 112 is further disposed on one side of the frame body 110 facing the first sealing gasket 130, a positioning ear plate 124 corresponding to the limiting groove 114 is disposed on the folded edge 122, and the positioning ear plate 124 can be clamped in the limiting groove 114.

Specifically, by providing the limiting groove 114 on the side of the frame 110 facing the first gasket 130 and providing the positioning ear plate 124 on the folded edge 122, when the frame 110 and the transparent cover 120 are fitted, the limiting groove 114 and the positioning ear plate 124 can be correspondingly fitted and connected. The stability of the relative position between the frame body 110 and the transparent cover 120 is ensured. It will be appreciated that, typically, the cabinet door 105 is in a vertical orientation, and the frame 110 and transparent cover 120 need to be fitted to the cabinet door 105, and naturally also need to be mounted in a vertical orientation. Thus, the frame 110 may have a downward movement tendency due to its own gravity, which may cause the lower region of the first gasket 130 to be squeezed by the gravity of the transparent cover 120, thereby affecting the sealing effect.

As shown in fig. 3 and 4, a first positioning hole 1142 is disposed at the bottom of the limiting groove 114, a through hole 1242 corresponding to the first positioning hole 1142 is disposed on the positioning ear plate 124, and a first fastening member sequentially passes through the through hole 1242 and the first positioning hole 1142, so as to fixedly connect the transparent cover 120 and the frame body 110.

Specifically, when the transparent cover 120 and the frame 110 are fitted, the first gasket 130 is first disposed in the first groove 112, and the positioning lug 124 of the transparent cover 120 is aligned with the limiting groove 114 of the frame 110. After the relative position between the transparent cover 120 and the frame body 110 is determined, the through hole 1242 corresponds to the first positioning hole 1142, and at this time, some of the first fastening members may pass through the through hole 1242 and the first positioning hole 1142, so that the transparent cover 120 and the frame body 110 are fixedly connected in the process of tightening the first fastening members, and the first sealing gasket 130 is pressed between the folded edge 122 of the transparent cover 120 and the first groove 112, so as to ensure the sealing performance of the connection.

As shown in fig. 5 and 6, a second groove 116 is disposed on a side of the frame 110 facing the distribution cabinet door 105, the second gasket 140 includes a supporting body 142 and a rib 144 disposed on an outer ring of the supporting body 142, a boss 146 is disposed between the rib 144 and the supporting body 142, the rib 144 abuts against a groove wall of the second groove 116, the inner ring of the supporting body 142 abuts against the circuit breaker 107, and the supporting body 142 is press-fitted on the distribution door through the frame 110.

Illustratively, the second groove 116 is located on the inner side of the frame body 110, and an inner supporting plate extends from the inner side of the frame body 110, and the required second groove 116 is formed between the inner supporting plate and the frame body 110. The size of the rib 144 at the second gasket 140 may be slightly larger than the size of the second groove 116, and when the second gasket 140 is matched with the second groove 116, an interference fit connection manner is adopted, so that the rib 144 arranged on the outer ring of the support body 142 is abutted against the groove wall of the second groove 116, which is beneficial to improving the sealing property at the joint of the second gasket 140 and the second groove 116. In addition, the inner ring of the supporting body 142 is used for abutting against the circuit breaker 107, and the sealing effect between the position where the circuit breaker 107 extends out of the distribution cabinet door 105 and the distribution cabinet door 105 is favorably improved. At this time, when the supporting body 142 is pressed on the distribution cabinet door 105 through the frame 110, the sealing performance between the frame 110 and the distribution cabinet door 105 is favorably ensured.

In addition, in the optional embodiment of the present application, the plane where the rib 144 is located is perpendicular to the plane where the support body 142 is located, and the boss 146 is connected to the rib 144 and the support body 142, respectively, so as to ensure that the rib 144 is more reliably fitted after being inserted into the second groove 116, and is not easily pulled to deform and separated from the second groove 116, which is beneficial to improving the structural strength of the rib 144, thereby ensuring the stability and reliability of the joint of the rib 144 and the second groove 116. The bosses 146 may be formed in a thickness-to-thickness manner, which is beneficial to reducing the operation difficulty when the ribs 144 are matched with the second grooves 116 under the condition of ensuring the structural strength of the ribs 144.

With reference to fig. 5, the frame 110 is further provided with a stiffener 117 and a second positioning hole 118 on a side facing the power distribution cabinet door 105.

Specifically, set up strengthening rib 117 through the one side at framework 110 towards distribution cabinet door 105, be favorable to promoting framework 110's structural strength, guarantee the reliability of connecting. In addition, through setting up second locating hole 118 in frame 110 towards one side of distribution cabinet door 105, can pass through fixed connection between second fastener and the second locating hole 118 in distribution cabinet door 105's inboard, in order to guarantee reliability and the leakproofness of connecting, can set up sealed glue in second fastener department, so, not only promoted the leakproofness, can also prevent that the second fastener is not hard up, be favorable to guaranteeing the reliability of connecting. By adopting the above form, generally, the frame and the distribution cabinet door 105 are in a stable connection relationship, and only the structure of the transparent cover 120 and the frame body 110 needs to be detached, which is beneficial to improving the convenience of operation.

In alternative embodiments of the present application, the frame body 110 includes any one of a rectangular, circular, oval, and polygonal structure.

Specifically, framework 110 can set up according to actual need in a flexible way to when making installation circuit breaker protection casing 100, can be better dodge between the inboard device that sets up of distribution cabinet door 105 and framework 110, with the convenience when promoting the connection. The transparent cover 120 may be correspondingly matched according to the arrangement form of the frame body 110.

As shown in fig. 3 and 4, the limiting groove 114 and the positioning ear plate 124 are respectively provided in a plurality, and the plurality of limiting grooves 114 and the plurality of positioning ear plates 124 are provided in a one-to-one correspondence.

For example, the number of the limiting grooves 114 and the number of the positioning ear plates 124 may be respectively set to 4, and the plurality of limiting grooves 114 and the plurality of positioning ear plates 124 are in one-to-one correspondence, so that the transparent cover 120 and the frame body 110 are better matched with each other, and the positioning accuracy and the sealing effect during installation are improved.

In an alternative embodiment of the present application, the retaining grooves 114 are symmetrically disposed with respect to a center line of the frame body 110. Therefore, when the transparent cover 120 is installed, the installation can be reversed, the installation and fixation can be displayed without adjusting a specific direction, the convenience of installation is improved, and the installation error is avoided. It can be understood that the first gasket 130, the second gasket 140 and the frame 110 can be arranged symmetrically, so as to improve the adaptability when the first gasket, the second gasket and the frame are installed in a matching manner, and reduce the operation difficulty.

The embodiment of the application also discloses a power distribution cabinet, which comprises the breaker protection cover 100 in the embodiment. This switch board contains the same structure and beneficial effect as the circuit breaker protection casing 100 in the preceding embodiment. The structure and advantages of the circuit breaker shield 100 have been described in detail in the foregoing embodiments, and are not described in detail herein.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. The utility model provides a circuit breaker protection casing, its characterized in that, includes framework and translucent cover, the translucent cover is used for through framework and distribution cabinet door connection to make the circuit breaker be located in the translucent cover, wherein, the framework with be provided with first sealed the pad between the translucent cover, the framework with be provided with the sealed pad of second between the distribution cabinet door.

2. The circuit breaker shield according to claim 1, wherein a first groove is formed in a side of the frame body facing the first sealing gasket, a folded edge is formed at an opening of the transparent cover, and the first sealing gasket and the folded edge are both located in the first groove.

3. The protective cover for the circuit breaker according to claim 2, wherein a limiting groove communicated with the first groove is further disposed on one side of the frame body facing the first sealing gasket, a positioning ear plate corresponding to the limiting groove is disposed on the folded edge, and the positioning ear plate can be clamped in the limiting groove.

4. The circuit breaker shield according to claim 3, wherein a first positioning hole is formed at a bottom of the limiting groove, a through hole corresponding to the first positioning hole is formed in the positioning lug plate, and a first fastening member sequentially penetrates through the through hole and the first positioning hole, so that the transparent cover is fixedly connected with the frame body.

5. The circuit breaker shield according to claim 1, wherein the frame body has a second groove formed on a side thereof facing the power distribution cabinet door, the second gasket includes a support body and a rib formed on an outer periphery of the support body, a boss is formed between the rib and the support body, the rib abuts against a groove wall of the second groove, the inner periphery of the support body abuts against the circuit breaker, and the support body is press-fitted to the power distribution cabinet door through the frame body.

6. The circuit breaker shield of claim 5, wherein the frame body is further provided with a stiffener and a second positioning hole on a side facing the power distribution cabinet door.

7. The circuit breaker shield of any one of claims 1-6, wherein the frame comprises any one of a circular, oval, and polygonal configuration.

8. The circuit breaker shield according to claim 3 or 4, wherein the plurality of limiting grooves and the plurality of positioning lugs are respectively provided in a plurality, and the plurality of limiting grooves and the plurality of positioning lugs are provided in a one-to-one correspondence.

9. The circuit breaker shield of claim 8, wherein the restraint slots are symmetrically disposed with respect to a centerline of the frame.

10. A switch board characterized in that it comprises a circuit breaker shield according to any one of claims 1 to 9.

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