Arcing-resistant movable alternating-current metal-enclosed switchgear

Abstract

The utility model discloses an anti-arcing withdrawable AC metal-enclosed switchgear, which relates to the technical field of switchgear and comprises a cabinet, a cavity is arranged in the cabinet, and two ends of the cavity are respectively provided with a filter cavity. According to the utility model, the case is arranged, the cavity for installing the equipment is arranged in the case, the filtering cavities are arranged at the two ends of the cavity, the filtering cotton is arranged in the filtering cavities, and the filtering cavities are matched with the filtering cotton, so that air circulation is realized, and dust is prevented from entering the device to influence normal use of the equipment; the extension cavities are formed in the two sides of the filter cavity, the section of each extension cavity is of a triangular structure, and the air inlet area of the filter cotton is increased due to the arrangement of the extension cavities, so that the filter efficiency of the filter cotton is effectively improved, and the heat dissipation efficiency of the equipment is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of switch equipment, in particular to an arc-proof removable AC metal-enclosed switch equipment. Background Art

[0002] Armored removable AC metal-enclosed switchgear is widely used in the current power supply of urban public facilities, industrial and mining enterprises and urban residents, and plays a vital role in the operation stability, reliability and safety of the power supply network.

[0003] By comparison, the patent No. CN215378155U arc-resistant armored removable AC metal-enclosed switchgear includes a shell; a mesh removal device is arranged on the outer wall of the shell, and grooves are opened inside the two sides of the shell, and heat dissipation devices are arranged on both sides of the inner wall of the shell, and the inner bottom of the shell is connected to the connection panel through a shock-absorbing device; the heat dissipation device includes a cooling chamber and a fan, the cooling chamber is installed on the inner walls on both sides of the shell, and two groups of fans are arranged inside the cooling chamber through a rotating shaft, and the fans on both sides of the shell rotate in the same direction; the shock-absorbing device includes sound-absorbing cotton and springs, the bottom of the sound-absorbing cotton is arranged on the inner bottom of the shell, and the top of the sound-absorbing cotton is fixedly connected to the bottom center of the connection panel, and springs are evenly distributed inside the sound-absorbing cotton.

[0004] The above technical solution has some problems in practical application. In order to ensure the stable operation of the equipment inside the chassis, the chassis dissipates heat for the equipment by means of fan air supply. However, the fan easily brings dust from the external environment into the device during the air supply process, and the dust will affect the operation of the equipment.

[0005] Therefore, it is necessary to invent an arc-resistant removable AC metal-enclosed switchgear to solve the above problems. Utility Model Content

[0006] The utility model aims to provide an arc-proof removable AC metal-enclosed switchgear to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an arc-resistant removable AC metal-enclosed switch device, comprising a chassis, a cavity is arranged inside the chassis, filter cavities are arranged at both ends of the cavity, extension cavities are arranged on both sides of the filter cavity, and the cross-section of the extension cavity is arranged in a triangular structure, an air guide groove is penetrated on one side of the extension cavity, and the air guide groove extends to the outside of the chassis, a plurality of through grooves are penetrated in the middle of the filter cavity, and one end of the through grooves extends to the inside of the cavity, heat dissipation cavities are opened on both sides of the chassis, a plurality of heat dissipation pipes are fixedly arranged inside the heat dissipation cavity, a transition cavity is fixedly arranged at one end of the heat dissipation pipe, and the transition cavity is fixedly arranged at the notch of the air guide groove, a plurality of extension pipes are penetrated inside the heat dissipation pipe, a fixed pipe is fixedly arranged in the middle of the heat dissipation pipe, and a circulation fan is fixedly arranged inside the fixed pipe.

[0008] Preferably, filter cotton is fixedly arranged inside the filter cavity, and both ends of the filter cotton are arranged to be triangular structures corresponding to the extension cavity.

[0009] Preferably, two groups of baffles are provided on both sides of the chassis, and the two groups of baffles are respectively provided on the outsides of the two groups of filter cottons.

[0010] Preferably, locking bolts are provided through the through holes at the four corners of the outer wall of the baffle, and one end of the locking bolt is provided in a screw hole provided in the chassis.

[0011] Preferably, dustproof nets are fixedly provided at both ends of the transition chamber.

[0012] Preferably, cabinet doors are provided at the middle of both sides of the cabinet, and slide rails are provided between the cabinet doors and the cabinet.

[0013] Technical effects and advantages of the utility model:

[0014] 1. The utility model sets a case, and a cavity for installing the device is set inside the case. Both ends of the cavity are set with filter cavities, and filter cotton is set inside the filter cavity. The filter cavity and the filter cotton cooperate to achieve air circulation while preventing dust from entering the device to affect the normal use of the device. By setting extension cavities on both sides of the filter cavity, and the cross-section of the extension cavity is set to a triangular structure, the setting of the extension cavity increases the air intake area of ​​the filter cotton, thereby effectively improving the filtering efficiency of the filter cotton to ensure the heat dissipation efficiency of the device;

[0015] 2. The utility model sets a heat dissipation cavity on both sides of the chassis, a heat dissipation pipe is set inside the heat dissipation cavity, and a circulation fan is set inside the heat dissipation pipe for air circulation. The setting of the circulation fan can improve the circulation effect of air, thereby improving the heat dissipation effect of the equipment. Filter cavities are set at both ends of the heat dissipation pipe, and dustproof nets are set on both sides of the filter cavity. The setting of the dustproof net can realize the replenishment of external air while preventing dust from entering the inside of the device, thereby further improving the heat dissipation efficiency of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 This is a schematic diagram of the chassis structure of the utility model.

[0018] Figure 3 It is a schematic cross-sectional view of the overall structure of the utility model.

[0019] In the figure: 1. chassis; 2. cavity; 3. filter cavity; 4. extension cavity; 5. air guide groove; 6. through groove; 7. heat dissipation cavity; 8. heat dissipation pipe; 9. transition cavity; 10. extension pipe; 11. fixed pipe; 12. circulation fan; 13. filter cotton; 14. baffle; 15. locking bolt; 16. dust net; 17. cabinet door. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] The utility model provides Figure 1-3 The arc-proof removable AC metal-enclosed switchgear shown in the figure comprises a chassis 1, a cavity 2 is arranged inside the chassis 1, filter cavities 3 are arranged at both ends of the cavity 2, extension cavities 4 are arranged on both sides of the interior of the filter cavity 3, and the cross section of the extension cavity 4 is arranged in a triangular structure, an air guide groove 5 is arranged through one side of the extension cavity 4, and the air guide groove 5 extends to the outside of the chassis 1, a plurality of through grooves 6 are arranged through the middle of the filter cavity 3, and one end of the through groove 6 extends to the inside of the cavity 2, and the arrangement of the extension cavity 4 increases the air intake area of ​​the filter cotton 13, thereby effectively improving the filtering efficiency of the filter cotton 13 to ensure the heat dissipation efficiency of the equipment;

[0022] Specifically, heat dissipation cavities 7 are provided on both sides of the chassis 1, and a plurality of heat dissipation pipes 8 are fixedly arranged inside the heat dissipation cavity 7. A transition cavity 9 is fixedly arranged at one end of the heat dissipation pipe 8, and the transition cavity 9 is fixedly arranged at the notch of the air guide groove 5. A plurality of extension pipes 10 are arranged through the heat dissipation pipe 8. A fixed pipe 11 is fixedly arranged in the middle of the heat dissipation pipe 8. A circulation fan 12 is fixedly arranged inside the fixed pipe 11. The two groups of circulation fans 12 rotate in opposite directions. The circulation fan 12 can act on the air in the fixed pipe 11 and the heat dissipation pipe 8, so that the air moves in the heat dissipation pipe 8.

[0023] More specifically, a filter cotton 13 is fixedly arranged inside the filter cavity 3, and both ends of the filter cotton 13 are arranged in a triangular structure corresponding to the extension cavity 4. Two sets of baffles 14 are arranged on both sides of the chassis 1, and the two sets of baffles 14 are respectively arranged on the outsides of the two sets of filter cotton 13. Locking bolts 15 are penetrated in the through holes opened at the four corners of the outer wall of the baffle 14, and one end of the locking bolt 15 is arranged in the screw hole opened in the chassis 1. The setting of the locking bolt 15 can realize the installation of the baffle 14, so as to realize the fixing of the position of the filter cotton 13;

[0024] In addition, dustproof nets 16 are fixedly arranged at both ends of the transition chamber 9. The dustproof nets 16 prevent dust from entering the device while realizing the replenishment of external air, thereby further improving the heat dissipation efficiency of the device.

[0025] Moreover, cabinet doors 17 are provided in the middle of both sides of the cabinet 1, and slide rails are provided between the cabinet doors 17 and the cabinet 1. The provision of the slide rails enables the cabinet doors 17 to be moved horizontally to facilitate the installation and debugging of the equipment.

[0026] Working principle of this utility model:

[0027] When the device is in use, components of the switch device are installed in the cavity 2 inside the chassis 1, and the door 17 can be moved horizontally to facilitate the use of the device. During the operation of the device, the two groups of circulation fans 12 rotate in opposite directions. The circulation fans 12 can act on the air in the fixed pipe 11 and the heat dissipation pipe 8, so that the air moves in the heat dissipation pipe 8. During the movement, the air can enter the filter cavity 3 through the filter cavity 9 and the air guide groove 5, and after being filtered by the filter cotton 13 in the filter cavity 3, pass through the through groove 6 to enter the cavity 2. After entering from the top of the cavity 2, the air can exchange heat with the switch components to achieve heat dissipation of the device. After achieving heat exchange, the air can enter the transition cavity 9 through the through groove 6 at the bottom of the cavity 2 and the filter cavity 3, and then enter the heat dissipation pipe 8 again. At this time, the air exchanges heat with the outside through the extension tube 10 inside the heat dissipation pipe 8 to achieve air heat dissipation, thereby ensuring the heat dissipation efficiency of the device.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. An arc-proof removable AC metal-enclosed switchgear, comprising a chassis (1), characterized in that: The case (1) is provided with a cavity (2) inside, filter cavities (3) are provided at both ends of the cavity (2), extension cavities (4) are provided on both sides inside the filter cavity (3), and the cross section of the extension cavity (4) is arranged in a triangular structure, an air guide groove (5) is provided through one side of the extension cavity (4), and the air guide groove (5) extends to the outside of the case (1), a plurality of through grooves (6) are provided through the middle of the filter cavity (3), and one end of the through groove (6) extends to the inside of the cavity (2). The case (1) is provided with heat dissipation cavities (7) on both sides, a plurality of heat dissipation pipes (8) are fixedly arranged inside the heat dissipation cavity (7), a transition cavity (9) is fixedly arranged at one end of the heat dissipation pipe (8), and the transition cavity (9) is fixedly arranged at the notch of the air guide groove (5), a plurality of extension pipes (10) are arranged through the inside of the heat dissipation pipe (8), a fixed pipe (11) is fixedly arranged in the middle of the heat dissipation pipe (8), and a circulation fan (12) is fixedly arranged inside the fixed pipe (11).

2. The arc-proof removable AC metal-enclosed switchgear according to claim 1, characterized in that: The filter cavity (3) is fixedly provided with filter cotton (13), and both ends of the filter cotton (13) are arranged to be triangular structures corresponding to the extension cavity (4).

3. The arc-proof removable AC metal-enclosed switchgear according to claim 2, characterized in that: Two groups of baffles (14) are arranged on both sides of the chassis (1), and the two groups of baffles (14) are arranged on the outsides of the two groups of filter cottons (13) respectively.

4. The arc-proof removable AC metal-enclosed switchgear according to claim 3 is characterized in that: Locking bolts (15) are provided through the through holes at the four corners of the outer wall of the baffle (14), and one end of the locking bolt (15) is arranged in a screw hole provided in the chassis (1).

5. The arc-proof removable AC metal-enclosed switchgear according to claim 4, characterized in that: Dust-proof nets (16) are fixedly arranged at both ends of the transition chamber (9).

6. The arc-proof removable AC metal-enclosed switchgear according to claim 5, characterized in that: Box doors (17) are provided in the middle of both sides of the box (1), and slide rails are provided between the box doors (17) and the box (1).

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