Ventilation structure of high-voltage switch cabinet

Abstract

The utility model provides a ventilation structure of a high-voltage switch cabinet, which relates to the technical field of switch cabinets and comprises a cabinet body and an embedded frame, a limiting piece is mounted at one end of the inner side of the embedded frame, a rotating rod is rotatably mounted in the limiting piece, driving gears are mounted at two ends of the rotating rod, a mounting plate is mounted in the embedded frame, and a central shaft is mounted on the mounting plate. A driven gear and an extension part are rotationally installed on the center shaft, a limiting wheel is rotationally installed on the extension part, a moving rod is movably connected to the outer side of the limiting wheel, a tooth opening is formed in the surface of the lower portion of the moving rod, and a protective cover is installed on the moving rod. The end, provided with the auxiliary wheel, of the movable rod is gradually lifted up, the extension piece at the other end is pushed to move with the center shaft as the center, the extension piece is gradually perpendicular to the movable rod, at the moment, the protective cover is pushed to move out of the inner side of the embedded frame, the protective cover can be gradually moved upwards through continuous movement of the movable rod, and the cooling fan is exposed; and the purpose of convenient cleaning or maintenance is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of switch cabinet, more specifically, it is especially related to a high voltage switch cabinet ventilation structure. BACKGROUND

[0002] The switch cabinet is a kind of electrical equipment, and the external line of the switch cabinet first enters the main control switch in the cabinet, then enters the branch control switch, and each branch is set according to its needs, such as instrument, automatic control, motor magnetic switch, various ac contactors and the like, some also set high-voltage room and low-voltage room switch cabinet, set high-voltage bus, such as power plant, and some also set low-cycle load shedding for main equipment.

[0003] Based on the above, the present inventors found that the following problems exist: the internal equipment of the switch cabinet needs to be equipped with a cooling fan for heat dissipation to maintain the good operation of the internal equipment of the cabinet, and the cooling fan is generally externally provided with a protective cover, when the cooling fan is used for a long time, a lot of dust will be adsorbed on the surface of the cooling fan, which needs to be cleaned in time to avoid affecting the overall heat dissipation effect, when cleaning, the overall heat dissipation frame needs to be disassembled first, and then the internal fan needs to be cleaned, which is relatively inconvenient.

[0004] Therefore, in view of the above, the existing structure and defects are improved, and a high-voltage switch cabinet ventilation structure is provided to achieve a more practical purpose. INVENTION CONTENTS

[0005] In order to solve the above technical problems, the utility model provides a high-voltage switch cabinet ventilation structure to solve the problem that the overall heat dissipation frame needs to be disassembled when cleaning, and then the internal fan needs to be cleaned, which is relatively troublesome.

[0006] The purpose and effect of the high-voltage switch cabinet ventilation structure of the utility model are achieved by the following specific technical means:

[0007] A high-voltage switch cabinet ventilation structure, comprising a cabinet body and an embedded frame, a limiting piece is installed at one end of the inner side of the embedded frame, a rotating rod is rotatably installed in the limiting piece, a driving gear is installed at both ends of the rotating rod, an installation plate is installed in the embedded frame, a central shaft is installed on the installation plate, a driven gear and an extension piece are rotatably installed on the central shaft, a limiting wheel is rotatably installed on the extension piece, a movable rod is movably connected to the outer side of the limiting wheel, a tooth gap is formed in the lower surface of the movable rod, and a protective cover is installed on the movable rod.

[0008] Further, the upper part of the driving gear and the lower part of the driven gear are meshingly connected, the upper part of the driven gear and the tooth gap are meshingly connected, and the extension piece can move around the central shaft.

[0009] Further, the number of the moving rods is two, which are oppositely arranged, and the two moving rods are respectively located at two sides of the protective cover, and the protective cover is located at the inner side of the embedding frame.

[0010] Further, the inner side of the embedding frame is provided with an adjusting box, an arc-shaped slot is formed in the adjusting box, one end of the moving rod is provided with an inclined part, one end of the inclined part is provided with an auxiliary wheel, and the auxiliary wheel is located in the arc-shaped slot.

[0011] Further, one end of the rotating rod is provided with a driven bevel gear, the side surface of the driven bevel gear is engaged with a driving bevel gear, and the middle part of the driving bevel gear is connected with a rotating handle.

[0012] Further, the inner side of the embedding frame is provided with a fixing plate, and the fixing plate is provided with a heat dissipation fan, and the position of the heat dissipation fan corresponds to the position of the protective cover.

[0013] Compared with the prior art, the high-voltage switch cabinet ventilation structure has the following beneficial effects:

[0014] In the utility model, the inclined part and the auxiliary wheel are gradually moved out from the inside of the arc-shaped slot by the moving rod, one end of the moving rod provided with the auxiliary wheel is gradually lifted, the extension part at the other end is pushed to move around the center shaft, the extension part is gradually perpendicular to the moving rod, at this time, the protective cover is pushed to move out of the inner side of the embedding frame, and the protective cover is gradually moved upward by the continuous movement of the moving rod, so that the heat dissipation fan is exposed, and the purpose of convenient cleaning or maintenance is achieved.

[0015] In the utility model, the driving bevel gear is driven to rotate by the rotating handle, the driven bevel gear connected with the driving bevel gear is driven to rotate when the driving bevel gear rotates, the rotating rod is driven to rotate by the driven bevel gear, the driving gears at two ends are driven to rotate when the rotating rod rotates, and the driven gear is driven to rotate around the center shaft when the driving gear rotates, the moving rod is driven to move upward by the cooperation with the toothed opening when the driven gear rotates, and the whole operation is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole schematic view of the high-voltage switch cabinet ventilation structure.

[0017] Figure 2 It is a partial exploded view of the embedding frame of the high-voltage switch cabinet ventilation structure.

[0018] Figure 3 It is an inner side view of the embedding frame of the high-voltage switch cabinet ventilation structure.

[0019] Figure 4 It is an enlarged schematic view of A part of the high-voltage switch cabinet ventilation structure.

[0020] Figure 5 is a moving rod part schematic view of the utility model discloses a high voltage switchgear ventilation structure.

[0021] Figure 6 is the utility model discloses a high voltage switchgear ventilation structure's passive bevel gear part assembly schematic view.

[0022] In the drawing, the corresponding relationship of component name and drawing number is:

[0023] 1, cabinet body;2, embedded frame;3, fixed plate;4, cooling fan;5, mounting plate;6, limiting piece;7, rotating rod;8, driving gear;9, center shaft;10, driven gear;11, extension piece;12, limiting wheel;13, moving rod;14, tooth opening;15, protective cover;16, adjusting box;17, arc slot;18, inclined piece;19, auxiliary wheel;20, passive bevel gear;21, driving bevel gear;22, rotating handle. Specific embodiments

[0024] The embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0025] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0026] In the description of the utility model, it should be explained that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through an intermediate medium. 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.

[0027] Example:

[0028] As shown in the accompanying Figure 1 to the accompanying Figure 6 As shown:

[0029] The utility model provides a high -pressure switchgear ventilation structure, including cabinet 1 and embedded frame 2, the inside one end of embedded frame 2 is installed with limiting part 6, the inside rotation of limiting part 6 is installed with rotary rod 7, and the both ends of rotary rod 7 are installed with driving gear 8, and the inside of embedded frame 2 is installed with mounting plate 5, and the center shaft 9 is installed on mounting plate 5, and the driven gear 10 and extension piece 11 are rotationally installed on the center shaft 9, and the limiting wheel 12 is rotationally installed on extension piece 11, and the outside swing joint of limiting wheel 12 has moving rod 13, and the lower surface of moving rod 13 is provided with tooth gap 14, and the protective cover 15 is installed on moving rod 13, and the inside of embedded frame 2 is installed with fixed plate 3, and the heat dissipation fan 4 is installed on fixed plate 3, and the position of heat dissipation fan 4 and the position of protective cover 15 correspond, under normal conditions, protective cover 15 is located in the inside of embedded frame 2, when rotary rod 7 rotates, can drive both ends driving gear 8 to rotate, when driving gear 8 rotates, drive driven gear 10 to rotate with center shaft 9 as center, when driven gear 10 rotates, by and tooth gap 14 cooperation, can drive moving rod 13 to move to the upper portion.

[0030] Wherein, the upper portion of driving gear 8 and the lower portion of driven gear 10 mesh connection, the upper portion of driven gear 10 and tooth gap 14 mesh connection, extension piece 11 can center shaft 9 as center activity, the number of moving rod 13 is two, and is relatively set respectively, and two moving rods 13 are located on both sides of protective cover 15 respectively, and protective cover 15 is located in the inside of embedded frame 2, and the other end of embedded frame 2 is installed with adjusting box 16, and arc slot 17 is set up in the inside of adjusting box 16, and one end of moving rod 13 is installed with oblique piece 18, and one end of oblique piece 18 is installed with auxiliary wheel 19, and auxiliary wheel 19 is located in the inside of arc slot 17, when moving rod 13 moves, through oblique piece 18 drive auxiliary wheel 19 gradually from the inside of arc slot 17 moves out, at this time, one end of moving rod 13 installation auxiliary wheel 19 gradually lifts, and extension piece 11 of the other end is driven to center shaft 9 as center activity, and extension piece 11 gradually and moving rod 13 are perpendicular, at this time, drive protective cover 15 to move out the inside of embedded frame 2, by moving rod 13 continuous movement, can make protective cover 15 gradually move upwards.

[0031] Wherein, one end of rotary rod 7 is installed with passive bevel gear 20, and the side of passive bevel gear 20 is meshed with driving bevel gear 21, and the middle part of driving bevel gear 21 is connected with rotating handle 22, and driving bevel gear 21 is driven to rotate by rotating handle 22, and passive bevel gear 20 is driven to rotate by driving bevel gear 21 when driving bevel gear 21 rotates, and rotary rod 7 is driven to rotate by passive bevel gear 20, which is convenient for overall operation.

[0032] The specific use mode and effect of the embodiment are as follows:

[0033] The utility model discloses a rotatable protection cover for heat dissipation fan, including embedded frame 2, heat dissipation fan 4, protection cover 15, extension piece 11 and moving rod 13, embedded frame 2 one end is provided with the heat dissipation fan 4, the other end is provided with protection cover 15, and the protection cover 15 is provided with extension piece 11, and extension piece 11 is provided with moving rod 13, moving rod 13 is provided with the auxiliary wheel 19, and the auxiliary wheel 19 is provided with the inclined piece 18, and the inclined piece 18 is provided with the auxiliary wheel 19.

[0034] The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present application to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to best explain the principles of the present application and its practical application, and to thereby enable others skilled in the art to best utilize the present application with various modifications as are suited to the particular use contemplated.

Claims

1. A ventilation structure of a high-voltage switchgear, comprising a cabinet body (1) and an embedded frame (2), characterized in that: The inner side of the embedding frame (2) is provided with a limiting piece (6), the inner side of the limiting piece (6) is rotatably provided with a rotating rod (7), the two ends of the rotating rod (7) are provided with a driving gear (8), the inner side of the embedding frame (2) is provided with a mounting plate (5), the mounting plate (5) is provided with a central shaft (9), the central shaft (9) is rotatably provided with a driven gear (10) and an extension piece (11), the extension piece (11) is rotatably provided with a limiting wheel (12), the outer side of the limiting wheel (12) is movably connected with a moving rod (13), the lower surface of the moving rod (13) is provided with a toothed opening (14), and the moving rod (13) is provided with a protective cover (15).

2. The ventilation structure of the high-voltage switch cabinet according to claim 1, characterized in that: The upper part of the driving gear (8) is in meshing connection with the lower part of the driven gear (10), the upper part of the driven gear (10) is in meshing connection with the toothed opening (14), and the extension piece (11) can move around the central shaft (9) as the center.

3. The ventilation structure of the high voltage switch cabinet according to claim 1, characterized in that: The number of the moving rod (13) is two, which are oppositely arranged, and the two moving rods (13) are located on the two sides of the protective cover (15), and the protective cover (15) is located on the inner side of the embedding frame (2).

4. The ventilation structure of the high-voltage switch cabinet according to claim 3, characterized in that: The other end of the inner side of the embedding frame (2) is provided with an adjusting box (16), the inner side of the adjusting box (16) is provided with an arc-shaped groove (17), one end of the moving rod (13) is provided with an inclined piece (18), one end of the inclined piece (18) is provided with an auxiliary wheel (19), and the auxiliary wheel (19) is located in the arc-shaped groove (17).

5. The ventilation structure of the high voltage switch cabinet according to claim 1, characterized in that: One end of the rotating rod (7) is provided with a driven bevel gear (20), the side of the driven bevel gear (20) is in meshing connection with a driving bevel gear (21), and the middle part of the driving bevel gear (21) is connected with a rotating handle (22).

6. The ventilation structure of a high voltage switch cabinet according to claim 1, characterized in that: The inner side of the embedding frame (2) is provided with a fixed plate (3), the fixed plate (3) is provided with a heat dissipation fan (4), and the position of the heat dissipation fan (4) corresponds to the position of the protective cover (15).

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