High-protection four-layer frame circuit breaker

Abstract

The utility model relates to a four-layer frame circuit breaker with high protection performance, which comprises a four-pole circuit breaker and an outer shell, a protection assembly for heat conduction and shock absorption is arranged on the outer surface of the lower end of the four-pole circuit breaker, and the protection assembly comprises a base, a breathable panel, a heat conduction carrier plate, a heat dissipation strip, an air bag cushion and a rubber column. The breathable panel is located on the outer surface of the front end of the base, and the heat conduction carrier plate is located in the middle of the base. When the protection assembly is used, the four-pole circuit breaker can be loaded through the heat conduction carrier plate in the base, after the four-pole circuit breaker is heated, heat can be conducted out through the heat conduction carrier plate, heat is rapidly dissipated through the heat dissipation strips below the heat conduction carrier plate, the heat of the heat dissipation strips can be conveniently dispersed through the breathable panel, and the service life of the four-pole circuit breaker is prolonged. And the air bag cushion supports the heat conduction carrier plate through the rubber columns, so that a certain damping effect can be indirectly achieved on the quadrupole circuit breaker, the stability during use can be guaranteed, and the protection performance during use is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to frame circuit breaker technical field especially a kind of high protection four-layer frame circuit breaker. BACKGROUND

[0002] Four-layer frame circuit breaker is a kind of circuit breaker with four-pole structure, mainly used in high-voltage power system, to protect electrical equipment from overload and short-circuit fault, four-layer frame circuit breaker is usually used in the equipment with certain range of rated current, and it is designed to be firm, and can work stably under high load and harsh environment.

[0003] The existing four-layer frame circuit breaker needs to be installed in the high-voltage power system equipment when in use, and the structure inside the high-voltage power system equipment is compact with small space, so the four-layer frame circuit breaker has some inconvenience when in use.

[0004] Firstly, since the space inside the high-voltage power system equipment is small, the four-layer frame circuit breaker is easily affected by high temperature when the high-voltage power system is running, the heat conduction effect of the four-layer frame circuit breaker is general, and the high-temperature protection is poor, and since the space inside the high-voltage power system equipment is small and the structure is compact, the existing four-layer frame circuit breaker is not easy to disassemble after fixed installation, and is not easy to maintain when failure occurs.

[0005] Therefore, we propose a kind of high protection four-layer frame circuit breaker. CONTENT OF UTILITY MODEL

[0006] In view of the technical problems in the prior art that the four-layer frame circuit breaker is easily affected by high temperature, the heat conduction effect of the four-layer frame circuit breaker is general, the high-temperature protection is poor, and since the space inside the high-voltage power system equipment is small and the structure is compact, the existing four-layer frame circuit breaker is not easy to disassemble after fixed installation, and is not easy to maintain when failure occurs, the utility model provides a kind of high protection four-layer frame circuit breaker.

[0007] The technical scheme adopted by the utility model is: a kind of high protection four-layer frame circuit breaker, including four-pole circuit breaker and shell body, the lower end outer surface of the four-pole circuit breaker is provided with the protection assembly for heat conduction damping, the protection assembly includes base, breathable panel, heat conduction carrier plate, heat dissipation strip, air bag pad and rubber column, the breathable panel is located the outer surface of the front end of the base, the heat conduction carrier plate is located the middle part of the base, the heat dissipation strip is fixedly installed at the lower end of the heat conduction carrier plate, the air bag pad is arranged on the inner surface of the lower end of the base, and the rubber column is located on the upper end of the air bag pad.

[0008] Further, the rear end outer surface of the quadrupole circuit breaker is fixedly connected with a back plate, the front end outer surface of the quadrupole circuit breaker is provided with a display screen, a disconnecting button, a closing button, a manual energy storage handle, closing and disconnecting indication and energy storage and energy release indication, the display screen is located above the disconnecting button, the closing button is located on one side of the disconnecting button, the manual energy storage handle is located on one side of the closing button, the closing and disconnecting indication is located below the disconnecting button, and the energy storage and energy release indication is located below the closing button.

[0009] Further, the lower end inner surface of the shell body is provided with a sliding groove, a sliding block is movably connected to the middle part of the sliding groove, the rear end inner surface of the shell body is fixedly connected with a first fixed plate and a second fixed plate, and the first fixed plate is located on one side of the second fixed plate.

[0010] Further, the front end outer surface of the first fixed plate is movably connected with a first cross rod, the front end outer surface of the second fixed plate is movably connected with a second cross rod, a connecting shaft is arranged between the first cross rod and the second cross rod, one end of the outer surface of the first cross rod is movably connected with a first connecting plate, and one end of the outer surface of the second cross rod is movably connected with a second connecting plate.

[0011] Further, the base and the breathable panel are of an integral molding structure, and the base is a hollow structure.

[0012] Further, the rubber column and the air bag cushion are of an integral molding structure, and the top end of the rubber column is connected with the lower end outer surface of the heat conduction carrier plate.

[0013] Further, the first cross rod is movably connected with the second cross rod through the connecting shaft, and the first connecting plate and the second connecting plate are connected with the back plate.

[0014] The protective assembly has the advantages that:

[0015] 1、The protective assembly can load and place the quadrupole circuit breaker through the heat conduction carrier plate in the base when in use, the quadrupole circuit breaker can discharge heat through the heat conduction carrier plate after being heated, and the heat conduction carrier plate is quickly cooled through the heat dissipation strips below the heat conduction carrier plate; the breathable panel can facilitate heat dissipation of the heat dissipation strips, and the air bag cushion supports the heat conduction carrier plate through the rubber column, so that the quadrupole circuit breaker can indirectly have a certain damping effect, and stability during use can be ensured, and the protective assembly has high protection during use.

[0016] 2, The utility model discloses the sliding block in the chute can carry the base in use, can be convenient for auxiliary movement four pole circuit breaker, when four pole circuit breaker fails, can be pulled out by the outward movement of sliding block, first cross bar and second cross bar connected behind four pole circuit breaker can be extended at this moment, convenient for four pole circuit breaker stable removal, convenient for maintenance and overhaul. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall structure diagram of the utility model;

[0018] Figure 2 It is the internal diagram of the shell body of the utility model;

[0019] Figure 3 It is the structure diagram of the protection assembly of the utility model;

[0020] Figure 4 It is the internal structure diagram of the base of the utility model.

[0021] Marked as in the drawing: 1, four pole circuit breaker;2, shell body;3, protection assembly;31, base;32, breathable panel;33, heat conduction carrier plate;34, heat dissipation strip;35, air bag pad;36, rubber column;4, backboard;5, display screen;6, opening button;7, closing button;8, manual energy storage handle;9, closing and opening indication;10, energy storage and energy release indication;11, chute;12, sliding block;13, first fixed plate;14, second fixed plate;15, first cross bar;16, second cross bar;17, connecting shaft;18, first connecting plate;19, second connecting plate. DETAILED DESCRIPTION

[0022] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "front", "upper", "lower", "left", "right", "vertical", "horizontal" and the like is based on the orientation or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model.

[0023] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected;It can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] The following will be combined with the drawings Figures 1-4 The utility model is further explained.

[0025] In order to solve the problems in the background art, the technical scheme is proposed as follows: a high-protection four-pole frame circuit breaker.

[0026] In the specific technical scheme, the four-pole circuit breaker 1 and the shell 2 are provided, the lower end outer surface of the four-pole circuit breaker 1 is provided with a protection assembly 3 for heat conduction and shock absorption, the protection assembly 3 comprises a base 31, a breathable panel 32, a heat conduction carrier plate 33, a heat dissipation strip 34, an air bag pad 35 and a rubber column 36, the breathable panel 32 is located on the front end outer surface of the base 31, the heat conduction carrier plate 33 is located in the middle of the base 31, the heat dissipation strip 34 is fixedly installed at the lower end of the heat conduction carrier plate 33, the air bag pad 35 is arranged on the inner surface of the lower end of the base 31, and the rubber column 36 is located at the upper end of the air bag pad 35. When the protection assembly 3 is used, the four-pole circuit breaker 1 can be placed on the heat conduction carrier plate 33 in the base 31, the four-pole circuit breaker 1 can conduct heat out after being heated through the heat conduction carrier plate 33, and the heat dissipation strip 34 below the heat conduction carrier plate 33 can quickly dissipate heat, the breathable panel 32 can facilitate the heat dissipation of the heat dissipation strip 34, and the air bag pad 35 can support the heat conduction carrier plate 33 through the rubber column 36, thereby indirectly achieving a certain shock absorption effect on the four-pole circuit breaker 1, and ensuring the stability during use, and the protection is high during use.

[0027] Further, the rear end outer surface of the four-pole circuit breaker 1 is fixedly connected with a back plate 4, the front end outer surface of the four-pole circuit breaker 1 is provided with a display screen 5, an opening button 6, a closing button 7, a manual energy storage handle 8, a closing and opening indication 9 and an energy storage and release indication 10, the display screen 5 is located above the opening button 6, the closing button 7 is located on one side of the opening button 6, the manual energy storage handle 8 is located on one side of the closing button 7, the closing and opening indication 9 is located below the opening button 6, and the energy storage and release indication 10 is located below the closing button 7. The display screen 5 is mainly used for displaying fault tripping indication.

[0028] Further, the base 31 and the breathable panel 32 are an integral molding structure, the base 31 is a hollow structure, the rubber column 36 and the air bag pad 35 are an integral molding structure, the top end of the rubber column 36 is connected with the lower end outer surface of the heat conduction carrier plate 33, and the rubber column 36 and the air bag pad 35 can support the four-pole circuit breaker 1 during use and have a certain shock absorption effect, and the heat conduction carrier plate 33 and the heat dissipation strip 34 are both made of copper.

[0029] Reference Figure 3As shown, the lower end inner surface of the outer shell 2 is provided with a sliding groove 11, the middle part of the sliding groove 11 is movably connected with a sliding block 12, the rear end inner surface of the outer shell 2 is fixedly connected with a first fixed plate 13 and a second fixed plate 14, the first fixed plate 13 is located on one side of the second fixed plate 14, the front end outer surface of the first fixed plate 13 is movably connected with a first cross rod 15, the front end outer surface of the second fixed plate 14 is movably connected with a second cross rod 16, a connecting shaft 17 is arranged between the first cross rod 15 and the second cross rod 16, the outer surface of one end of the first cross rod 15 is movably connected with a first connecting plate 18, the outer surface of one end of the second cross rod 16 is movably connected with a second connecting plate 19, the sliding block 12 in the sliding groove 11 can bear the base 31 during use, which can facilitate the auxiliary movement of the four-pole circuit breaker 1, when the four-pole circuit breaker 1 fails, the sliding block 12 can be moved outward to pull out, at this time, the first cross rod 15 and the second cross rod 16 connected behind the four-pole circuit breaker 1 will be extended, which facilitates the stable movement of the four-pole circuit breaker 1 out, and facilitates maintenance and repair, after the repair is completed, the four-pole circuit breaker 1 can be moved back through the sliding block 12, at this time, the first cross rod 15 and the second cross rod 16 will be folded.

[0030] Further, the first cross rod 15 is movably connected with the second cross rod 16 through the connecting shaft 17, the first connecting plate 18 and the second connecting plate 19 are connected with the back plate 4, and the first cross rod 15 and the second cross rod 16 can ensure the stability of the four-pole circuit breaker 1 during movement.

[0031] In order for those skilled in the art to fully understand the technical solutions, the present application is made as follows:

[0032] During use, the four-pole circuit breaker 1 is installed on the heat-conducting carrier plate 33 in the base 31, the base 31 is installed on the sliding block 12 in the sliding groove 11, when the four-pole circuit breaker 1 is used and heated, the heat-conducting carrier plate 33 can conduct heat and quickly dissipate heat through the heat dissipation strips 34 below the heat-conducting carrier plate 33, the air-permeable panel 32 can facilitate the heat dissipation of the heat dissipation strips 34, and the air bag cushion 35 supports the heat-conducting carrier plate 33 through the rubber column 36, thereby indirectly achieving a certain damping effect on the four-pole circuit breaker 1, which can ensure the stability during use, and has high protection during use, when the four-pole circuit breaker 1 fails, the sliding block 12 can be moved outward to pull out, at this time, the first cross rod 15 and the second cross rod 16 connected behind the four-pole circuit breaker 1 will be extended, which facilitates the stable movement of the four-pole circuit breaker 1 out, and facilitates maintenance and repair, after the repair is completed, the four-pole circuit breaker 1 can be moved back through the sliding block 12, at this time, the first cross rod 15 and the second cross rod 16 will be folded.

[0033] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, the conventional connection mode in the prior art is adopted for circuit connection, and the contents not described in detail in the description belong to the prior art known by the professional technical personnel in the field.

[0034] Although the embodiments of the utility model have been shown and described, the scope of the utility model is defined by the appended claims and their equivalents for those skilled in the art.

Claims

1. A high-duty four-pole frame circuit breaker, characterized by, The application relates to a four-pole circuit breaker (1) and an outer shell (2), wherein the lower end outer surface of the four-pole circuit breaker (1) is provided with a protection assembly (3) for heat conduction and shock absorption, the protection assembly (3) comprises a base (31), a breathable panel (32), a heat conduction carrier plate (33), a heat dissipation strip (34), an air bag pad (35) and a rubber column (36), the breathable panel (32) is located on the front end outer surface of the base (31), the heat conduction carrier plate (33) is located on the middle part of the base (31), the heat dissipation strip (34) is fixedly installed on the lower end of the heat conduction carrier plate (33), the air bag pad (35) is arranged on the lower end inner surface of the base (31), and the rubber column (36) is located on the upper end of the air bag pad (35).

2. A high-duty four-pole frame circuit breaker according to claim 1, characterized in that The rear end outer surface of the four-pole circuit breaker (1) is fixedly connected with a back plate (4), the front end outer surface of the four-pole circuit breaker (1) is provided with a display screen (5), an opening button (6), a closing button (7), a manual energy storage handle (8), closing and opening indication (9) and energy storage and release indication (10), the display screen (5) is located above the opening button (6), the closing button (7) is located on one side of the opening button (6), the manual energy storage handle (8) is located on one side of the closing button (7), the closing and opening indication (9) is located below the opening button (6), and the energy storage and release indication (10) is located below the closing button (7).

3. A high-duty four-pole frame circuit breaker according to claim 2, characterized in that The lower end inner surface of the outer shell (2) is provided with a sliding groove (11), the middle part of the sliding groove (11) is movably connected with a sliding block (12), the rear end inner surface of the outer shell (2) is fixedly connected with a first fixed plate (13) and a second fixed plate (14), and the first fixed plate (13) is located on one side of the second fixed plate (14).

4. A high-duty four-pole frame circuit breaker according to claim 3, characterized in that The front end outer surface of the first fixed plate (13) is movably connected with a first cross rod (15), the front end outer surface of the second fixed plate (14) is movably connected with a second cross rod (16), a connecting shaft (17) is arranged between the first cross rod (15) and the second cross rod (16), one end outer surface of the first cross rod (15) is movably connected with a first connecting plate (18), and one end outer surface of the second cross rod (16) is movably connected with a second connecting plate (19).

5. A high-duty four-pole frame circuit breaker according to claim 1, wherein, The base (31) and the breathable panel (32) are an integral molding structure, and the base (31) is a hollow structure.

6. A high-duty four-pole frame circuit breaker according to claim 1, wherein, The rubber column (36) and the air bag pad (35) are an integral molding structure, and the top end of the rubber column (36) is connected with the lower end outer surface of the heat conduction carrier plate (33).

7. A high-duty four-pole frame circuit breaker according to claim 4, wherein The first cross rod (15) is movably connected with the second cross rod (16) through the connecting shaft (17), and the first connecting plate (18) and the second connecting plate (19) are connected with the back plate (4).

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