Breaker bus heat dissipation and insulation matching structure

Abstract

A heat dissipation and insulation matching structure for a circuit breaker bus is characterized in that the heat dissipation and insulation matching structure comprises an insulation part body, at least one side of the insulation part body is provided with a guide clamping groove, the head of the bus is installed in the guide clamping groove in a protruding mode, and the insulation part body is in a hollow frame shape. And the middle fixing part of the bus is positioned in the hollow bottom frame of the insulating part body. A heat dissipation function is added on the basis of an existing circuit breaker bus insulation installation structure, and meanwhile, the scene that an insulation part is suitable for a vertical bus is further expanded.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of circuit breaker technology, specifically speaking is related to circuit breaker busbar heat dissipation insulation cooperation structure. BACKGROUND

[0002] The circuit breaker is various in structure according to its performance requirements, wherein the draw-out frame circuit breaker is a common structure in low-voltage electrical industry, which mainly comprises a circuit breaker body and a drawer seat. The drawer type circuit breaker is applied more and more widely, and with the development of solar power generation and wind power generation, the requirement for the temperature rise of the drawer type circuit breaker product is higher and higher. The traditional circuit breaker product cannot meet the requirement that the heat generated by the circuit breaker in a harsh environment is discharged from the circuit breaker body in time, resulting in that the temperature rise of the circuit breaker is too fast and too high, and the reliability of the circuit breaker is reduced.

[0003] Chinese patent CN102339690B discloses a circuit breaker with high insulation, an insulation part is arranged around a body plug-in, and part or all of the insulation part surrounds the area where the body plug-in is exposed outside the insulation part. The insulation part and the circuit breaker body can be integrated or connected to the circuit breaker body. The insulation structure of the circuit breaker is relatively simple, but the heat dissipation is not considered. Meanwhile, the insulation structure is not applicable to the vertical busbar scene with L-shaped or T-shaped busbar structure. SUMMARY

[0004] The utility model discloses a circuit breaker busbar heat dissipation insulation cooperation structure, which is provided to solve the problem of poor heat dissipation performance and limited application scenarios of the existing circuit breaker busbar installation structure. The heat dissipation function is added to the existing circuit breaker busbar insulation installation structure, and the circuit breaker busbar heat dissipation insulation cooperation structure is further applicable to the vertical busbar with H-shaped or concave-shaped structure.

[0005] TECHNICAL SCHEME

[0006] In order to achieve the above technical purpose, the circuit breaker busbar heat dissipation insulation cooperation structure provided by the utility model is characterized in that it comprises an insulation part body, at least one side of the insulation part body is provided with a guide clamping groove, the head of the busbar is protrudingly installed in the guide clamping groove, the insulation part body is a hollow frame, and the middle fixed part of the busbar is located in the hollow bottom frame of the insulation part body.

[0007] In one embodiment, a buckle is arranged on the inner side of the insulation part body, and the buckle is matched with the outer surface of the middle fixed part on the busbar to prevent the busbar from falling off the insulation part body.

[0008] In one embodiment, an abutting protrusion is arranged on the insulation part body, and the abutting protrusion abuts against the corresponding side of the busbar to form a heat dissipation gap between the insulation part body and the busbar.

[0009] In one of the embodiments, the busbar is H-shaped or U-shaped.

[0010] In one of the embodiments, the insulating body comprises a hollow bottom frame, and a guiding slot for busbar installation is arranged on at least one end side of the outer side of the bottom frame and protrudes from the outer side of the bottom frame.

[0011] In one of the embodiments, the abutting protrusion is arranged on any inner side of the hollow cavity of the bottom frame.

[0012] In one of the embodiments, the busbar is integrally installed at the wiring position of the circuit breaker body after being installed into the insulating body from the side of the insulating body away from the circuit breaker body.

[0013] In one of the embodiments, the abutting protrusion is columnar.

[0014] In one of the embodiments, the middle fixing part of the busbar is not covered by the insulating body 1, thereby increasing the heat dissipation area.

[0015] In one of the embodiments, the head protrusion of the busbar is located on the side of the middle fixing part away from the circuit breaker body.

[0016] Advantages

[0017] The circuit breaker busbar heat dissipation and insulation matching structure provided by the utility model is characterized in that: it comprises an insulating body, at least one side of the insulating body is provided with a guiding slot, a head protrusion of a busbar is installed in the guiding slot, the insulating body is hollow and frame-shaped, and a middle fixing part of the busbar is located in a hollow bottom frame of the insulating body. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some of the embodiments of the present application, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0019] FIG. 1 is a schematic diagram of the insulating body and the busbar being installed in a circuit breaker in the embodiment of the utility model; Figure 1 FIG. 1 is a schematic diagram of the insulating body and the busbar being installed in a circuit breaker in the embodiment of the utility model;

[0020] FIG. 1 is a schematic diagram of the insulating body and the busbar being installed in a circuit breaker in the embodiment of the utility model; Figure 2a FIG. 1 is a schematic diagram of the insulating body and the busbar being installed in a circuit breaker in the embodiment of the utility model;

[0021] Figure 1 is a schematic diagram of the embodiment of the application; Figure 2b Figure 2 is a schematic diagram of the embodiment of the application; Figure 2a Figure 3 is an enlarged view of A in Figure 2;

[0022] Figure 4 is a schematic diagram of the embodiment of the application; Figure 3 Figure 5 is a schematic diagram of the embodiment of the application; Figure 1 Figure 6 is a schematic diagram of the embodiment of the application;

[0023] Figure 7 is a schematic diagram of the embodiment of the application; Figure 4 Figure 8 is a schematic diagram of the embodiment of the application; Figure 1 Figure 9 is a schematic diagram of the embodiment of the application;

[0024] Figure 10 is a schematic diagram of the embodiment of the application; Figure 5 Figure 11 is a schematic diagram of the embodiment of the application;

[0025] Figure 12 is a schematic diagram of the embodiment of the application; Figure 6 Figure 13 is a schematic diagram of the embodiment of the application;

[0026] Figure 14 is a schematic diagram of the embodiment of the application; Figure 7 Figure 15 is a schematic diagram of the embodiment of the application; Figure 1 Figure 16 is a schematic diagram of the embodiment of the application;

[0027] Figure 17 is a schematic diagram of the embodiment of the application; Figure 8 Figure 18 is a schematic diagram of the embodiment of the application;

[0028] Figure 19 is a schematic diagram of the embodiment of the application; Figure 9 Figure 20 is a schematic diagram of the embodiment of the application;

[0029] Figure 21 is a schematic diagram of the embodiment of the application; Figure 10 Figure 22 is a schematic diagram of the embodiment of the application; DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be clearly and completely explained below in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] It should be noted that when a component is referred to as being "fixed to" or "disposed on" another component, it can be directly on the other component or there can be a middle component. When a component is referred to as being "connected to" another component, it can be directly connected to the other component or there can be a middle component. The terms "vertical", "horizontal", "upper", "lower", "left", "right", and similar expressions used in the specification of the present application are for the purpose of illustration only and do not indicate the only implementation.

[0032] In addition, the terms "first", "second", etc. are used only for descriptive purposes and are not to be construed as indicating or implying relative importance or an ordered ranking of the indicated technical features. Thus, features defined with "first", "second" can include at least one of the features explicitly or implicitly. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise explicitly and specifically limited.

[0033] In the present application, unless otherwise explicitly specified and limited, the "on", "under" of the first feature to the second feature can be that the first feature is in direct contact with the second feature, or the first feature is indirectly in contact with the second feature through an intermediate medium. Moreover, the "over", "above" and "on" of the first feature to the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the first feature is higher than the second feature in horizontal height. The "under", "below" and "under" of the first feature to the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the first feature is lower than the second feature in horizontal height.

[0034] Unless otherwise defined, all technical and scientific terms used in the specification of the present application have the same meaning as commonly understood by a person skilled in the art to which the present application belongs. The terms used in the specification of the present application are only for the purpose of describing the specific embodiments and are not intended to limit the present application. The term "and / or" used in the specification of the present application includes any and all combinations of one or more related listed items.

[0035] Embodiment

[0036] In the prior art, the insulation structure installed in cooperation with the busbar is relatively simple, and there is no heat dissipation function, and the application scene is also limited. In order to solve this problem, as shown in Figure 1 and 2a ,2b, the circuit breaker busbar heat dissipation insulation cooperation structure provided by the embodiment comprises an insulation body 1, and the busbar 2 is integrally installed at the wiring position of the circuit breaker body a after being installed in the insulation body 1. As shown in Figure 4 and 6 , the head protrusion 201 of the busbar 2 is located on the side away from the circuit breaker body a of the intermediate fixed part 202. The head protrusion 201 of the busbar 2 is installed in the guide clamping groove 101, which can ensure the reliability of the installation of the busbar and avoid sliding of the busbar, as shown in Figure 2a,2b, the inner side of the insulating body 1 is provided with a buckle 102, which is matched and installed with the outer surface of the middle fixing part 202 on the busbar 2, and can prevent the busbar from falling off the insulating body 1, and plays a safety protection role; specifically, after the busbar 2 is installed in the insulating body 1, the buckle 102 is clamped on the outer surface of the middle fixing part 202. The insulating body 1 is provided with an abutting protrusion 103 abutting against the corresponding side surface of the busbar 2, so that there is a heat dissipation gap between the insulating body 1 and the busbar 2, and the heat dissipation performance is improved.

[0037] Specifically, the insulating body 1 is a hollow frame shape, and the shape is correspondingly arranged with the busbar 2. The insulating body 1 includes a hollow bottom frame 1a, and a guide clamping groove 101 for installing the busbar 2 is arranged on at least one end side of the outer side surface of the bottom frame 1a and protrudes from the outer side surface of the bottom frame 1a. The middle fixing part 202 of the busbar 2 is located in the hollow bottom frame 1a of the insulating body 1. The busbar 2 is H-shaped or concave-shaped. As shown in Figure 3 and 4 ,9, when the busbar 2 is H-shaped, as shown in Figure 7 , the insulating body 1 is provided with a guide clamping groove 101 on the upper and lower sides. As shown in Figure 5 and 6 , when the busbar 2 is concave-shaped, as shown in Figure 8 , one side of the insulating body 1 is provided with a guide clamping groove 101. The abutting protrusion 103 is arranged on any inner side surface of the hollow cavity of the bottom frame 1a. In this embodiment, the abutting protrusion 103 is columnar.

[0038] In this embodiment, as shown in Figure 10 , the busbar 2 is installed in the insulating body 1 from the side of the insulating body 1 away from the circuit breaker body a along the arrow direction, and then the busbar 2 is integrally installed at the wiring position of the circuit breaker body a. Since the insulating body 1 is a hollow frame shape, the middle fixing part 202 of the busbar 2 is not covered by the insulating body 1, thereby increasing the heat dissipation area. Among them, the middle fixing part 202 of the busbar 2 has a through hole, which is used to integrally fix the busbar 2 and the insulating body 1 on the circuit breaker body a.

[0039] The circuit breaker bus heat dissipation insulation cooperation structure provided by the embodiment is characterized in that: it comprises an insulation piece body 1, the insulation piece body 1 is provided with a guide clamping groove 101 on at least one side, the head protrusion 201 of a bus 2 is installed in the guide clamping groove 101, the insulation piece body 1 is hollow frame-shaped, and the middle fixed part 202 of the bus 2 is located in the hollow bottom frame 1a of the insulation piece body 1. The heat dissipation function is added under the existing circuit breaker bus insulation installation structure, and meanwhile, the scene of the insulation piece suitable for the vertical bus is further expanded. The heat dissipation function is added under the existing circuit breaker bus insulation installation structure, and meanwhile, the vertical bus of the H-shaped or concave-shaped structure is further suitable.

[0040] The technical features of the above-described embodiments can be combined arbitrarily, and to make the description concise, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combinations of the technical features do not exist contradictory, they should be considered as the scope of the present application.

[0041] The above-described embodiments only express several implementation manners of the present application, the description is more specific and detailed, but it should not be understood as the limitation of the patent scope of the present application. It should be pointed out that for ordinary skilled in the art, several modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A circuit breaker bus heat dissipation insulation fit structure, characterized in that The utility model relates to an insulating piece for busbar, which comprises an insulating piece body (1) provided with a guide clamping groove (101) on at least one side, a head protrusion (201) of a busbar (2) being installed in the guide clamping groove (101), the insulating piece body (1) being hollow and frame-shaped, and a middle fixing portion (202) of the busbar (2) being located in a hollow bottom frame (1a) of the insulating piece body (1).

2. The circuit breaker bus heat sink insulation mating structure of claim 1, wherein An inner side outer edge of the insulating piece body (1) is provided with a buckle (102) matched with an outer surface of the middle fixing portion (202) of the busbar (2) to prevent the busbar (2) from falling off the insulating piece body (1).

3. The circuit breaker bus heat sink insulation mating structure of claim 1, wherein The insulating piece body (1) is provided with an abutting protrusion (103) abutting against a corresponding side of the busbar (2) to form a heat dissipation gap between the insulating piece body (1) and the busbar (2).

4. The circuit breaker bus heat sink insulation mating structure of claim 1, wherein The busbar (2) is H-shaped or concave-shaped.

5. The circuit breaker bus heat sink insulation mating structure of claim 1, wherein The insulating piece body (1) comprises a hollow bottom frame (1a), and the guide clamping groove (101) for installing the busbar (2) is provided on at least one end side of an outer side of the bottom frame (1a) and protrudes from the outer side of the bottom frame (1a).

6. The circuit breaker bus heat sink insulation mating structure of claim 3, wherein The abutting protrusion (103) is provided on any inner side of a hollow cavity of the bottom frame (1a).

7. The circuit breaker bus heat sink insulation mating structure of claim 1, wherein The busbar (2) is integrally installed at a wiring position of a circuit breaker body (a) after being installed in the insulating piece body (1) from a side of the insulating piece body (1) away from the circuit breaker body (a).

8. The circuit breaker bus heat sink insulation mating structure of claim 6, wherein The abutting protrusion (103) is columnar.

9. The circuit breaker bus heat sink insulation mating structure of claim 2, wherein The middle fixing portion (202) of the busbar (2) is not covered by the insulating piece body (1), thereby increasing a heat dissipation area.

10. The circuit breaker bus heat sink insulation mating structure of claim 1, wherein The head protrusion (201) of the busbar (2) is located on a side of the middle fixing portion (202) away from the circuit breaker body (a). The utility model relates to an insulating piece for busbar, which comprises an insulating piece body (1) provided with a guide clamping groove (101) on at least one side, a head protrusion (201) of a busbar (2) being installed in the guide clamping groove (101), the insulating piece body (1) being hollow and frame-shaped, and a middle fixing portion (202) of the busbar (2) being located in a hollow bottom frame (1a) of the insulating piece body (1).

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