Power supply device of medium-voltage automatic change-over switch

Abstract

The utility model discloses a power supply device of a medium-voltage automatic change-over switch, which comprises a power supply cabinet body, a medium-voltage automatic change-over switch and a power supply switch are arranged in the power supply cabinet body, and a protective cleaning assembly is arranged in the power supply cabinet body. The protective cleaning assembly comprises a reciprocating ball screw mechanism installed on the inner wall of the power cabinet body, a sleeve pipe frame is fixedly connected to the inner side of the reciprocating ball screw mechanism, a through hole is formed in one side of the sleeve pipe frame, a corrugated pipe is inserted into the through hole, the driving box is fixed to the outer wall of the power cabinet body, an opening is formed in one side of the driving box, and the driving box is fixed to the outer wall of the power cabinet body. A collecting box is inserted into the opening, and a negative pressure fan and an intercepting net are arranged in the driving box. According to the device, dust adsorbed on the surfaces of the power switch and the medium-voltage automatic change-over switch can be cleaned in time, so that the dust is prevented from extending into the power switch and the medium-voltage automatic change-over switch to influence the operation stability of the power switch and the medium-voltage automatic change-over switch.

Description

Technical Field

[0001] The utility model relates to the technical field of power distribution control equipment, in particular to a power supply device of a medium-voltage automatic transfer switch. Background Art

[0002] Distribution control equipment refers to a series of devices used in power systems to distribute, control and protect electrical energy. These devices ensure that electricity can be transmitted safely and efficiently from the power source to the end user, and provide necessary protection measures in the event of a fault.

[0003] At present, the medium voltage automatic transfer switch needs to be connected to the power switch during use. The medium voltage automatic transfer switch and the power switch are placed in the power cabinet at the same time. During use, dust will enter the inside of the power cabinet. The dust is easily adsorbed on various parts of the medium voltage automatic transfer switch and the power switch during air flow. The dust can easily enter the inside of the medium voltage automatic transfer switch and the power switch, which can easily affect the stability of the operation of the medium voltage automatic transfer switch and the power switch. Therefore, improvement is needed. Utility Model Content

[0004] The purpose of the utility model is to provide a power supply device for a medium voltage automatic transfer switch to solve the problem in the background art that dust easily enters the medium voltage automatic transfer switch and the power switch, affecting the operational stability.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a power supply device for a medium-voltage automatic transfer switch, comprising a power supply cabinet, a medium-voltage automatic transfer switch and a power switch are arranged inside the power supply cabinet, and a protective cleaning component is arranged inside the power supply cabinet;

[0006] The protective cleaning component includes a reciprocating ball screw mechanism installed on the inner wall of the power cabinet. A sleeve pipe rack is fixedly connected to the inner side of the reciprocating ball screw mechanism. A corrugated pipe is inserted into one side of the sleeve pipe rack. One end of the sleeve pipe rack is connected to a conveying pipe. One end of the conveying pipe is connected to a drive box. A negative pressure fan and an interception net are arranged inside the drive box.

[0007] Preferably, a through hole is opened on one side of the sleeve tube rack, a corrugated tube is inserted into the through hole, and one side of the corrugated tube is fixed to the inner wall of the sleeve tube rack by glue.

[0008] Preferably, the drive box is fixed to the outer wall of the power cabinet, an opening is provided on one side of the drive box, and a collection box is inserted into the opening.

[0009] Preferably, both upper and lower ends of the collection box are open structures, and an interception net is also provided inside the opening at the bottom of the collection box.

[0010] Preferably, a baffle is rotatably connected to the inner side of the top opening of the collection box, and the baffle is symmetrically distributed about the bisector of the collection box.

[0011] Preferably, a support spring is fixedly connected to the bottom of the baffle, and one end of the support spring is fixedly connected to the inner wall of the collection box.

[0012] Preferably, the support spring has an inclined structure.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] (1) This device can clean the dust adsorbed on the surface of the power switch and the medium voltage automatic transfer switch in time, thereby preventing the dust from penetrating into the power switch and the medium voltage automatic transfer switch and affecting the stability of the operation of the power switch and the medium voltage automatic transfer switch.

[0015] (2) This device sets a drive box on one side of the power cabinet, installs a negative pressure fan inside the drive box, connects a delivery pipe to the top of the drive box, and connects a sleeve pipe rack and a bellows at one end. By pulling out and unfolding the bellows, the bellows can be aligned with various parts of the power switch and the medium-voltage automatic transfer switch, thereby collecting dust on the surface of the power switch and the medium-voltage automatic transfer switch in time to prevent dust from being raised and affecting the stability of the equipment operation.

[0016] (3) This device is more practical by installing a reciprocating ball screw mechanism on the inner wall of the power cabinet and fixing the sleeve tube rack on one side of the reciprocating ball screw mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of a power supply device for a medium voltage automatic transfer switch according to the present invention;

[0018] Figure 2 The utility model is a power supply device of a medium voltage automatic transfer switch Figure 1 Enlarged view of point A in the middle;

[0019] Figure 3 The utility model is a cross-sectional view of a protective cleaning component of a power supply device of a medium-voltage automatic transfer switch.

[0020] In the figure: 1. Power switch; 2. Medium voltage automatic transfer switch; 3. Protective cleaning component; 31. Conveying pipe; 32. Collection box; 33. Drive box; 34. Reciprocating ball screw mechanism; 35. Bellows; 36. Sleeve pipe rack; 37. Baffle; 38. Support spring; 39. Negative pressure fan; 310. Intercepting net; 4. Power cabinet. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-3 The utility model provides a technical solution: a power supply device for a medium-voltage automatic transfer switch, comprising a power cabinet 4, a medium-voltage automatic transfer switch 2 and a power switch 1 are arranged inside the power cabinet 4, and a protective cleaning component 3 is arranged inside the power cabinet 4;

[0023] The protective cleaning component 3 includes a reciprocating ball screw mechanism 34 installed on the inner wall of the power cabinet 4, and a sleeve pipe rack 36 is fixedly connected to the inner side of the reciprocating ball screw mechanism 34. A through hole is opened on one side of the sleeve pipe rack 36, and a bellows 35 is inserted into the through hole. One side of the bellows 35 is fixed to the inner wall of the sleeve pipe rack 36 by glue; the bellows 35 of this structure can be pulled out from the inside of the sleeve pipe rack 36, so that the length of the bellows 35 can be extended, and the power switch 1 and the medium voltage automatic transfer switch can be adjusted. 2 can be cleaned at any position; a bellows 35 is inserted on one side of the sleeve tube rack 36, and one end of the sleeve tube rack 36 is connected to a delivery pipe 31, which is a hose and can be moved by the lifting of the reciprocating ball screw mechanism 34. One end of the delivery pipe 31 is connected to a drive box 33, which is fixed to the outer wall of the power cabinet 4. An opening is opened on one side of the drive box 33, and a collection box 32 is inserted inside the opening; the collection box 32 of this structure can be drawn out from the inside of the drive box 33 to clean the dust; the collection box 3 2 has an open structure at both ends, and an interception net 310 is also provided inside the opening at the bottom of the collection box 32; the interception net 310 of this structure can serve the purpose of intercepting dust; a baffle 37 is rotatably connected to the inner side of the top opening of the collection box 32, and the baffles 37 are symmetrically distributed about the bisector of the collection box 32; a support spring 38 is fixedly connected to the bottom of the baffle 37, and one end of the support spring 38 is fixedly connected to the inner wall of the collection box 32; the support spring 38 is an inclined structure; the support spring 38 of this structure can support the baffle 37, and the baffle 37 can remain in a closed state when there is no air flow, thereby achieving the purpose of intercepting dust; a negative pressure fan 39 and an interception net 310 are provided inside the drive box 33; the negative pressure fan 39 can make one end of the bellows 35 generate a negative pressure airflow to clean the dust at the power switch 1 and the medium voltage automatic transfer switch 2, thereby ensuring the normal operation of the power switch 1 and the medium voltage automatic transfer switch 2; the power switch 1 and the medium voltage automatic transfer switch 2 are electrically connected.

[0024] Working principle: When using the power supply device of the medium-voltage automatic transfer switch, first, if dust is found to be adsorbed during the use of the power switch 1 and the medium-voltage automatic transfer switch 2, the negative pressure fan 39 can be started to generate a negative pressure airflow at the end of the bellows 35, and then the bellows 35 is pulled out from the inside of the sleeve pipe rack 36 and unfolded, and the end of the bellows 35 is placed at the position corresponding to the power switch 1 and the medium-voltage automatic transfer switch 2 that need to be cleaned, and the negative pressure airflow can be used to suck the dust into the inside of the bellows 35, and the dust is collected into the collection box 32 through the sleeve pipe rack 36 and the conveying pipe 31.

[0025] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or 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 invention should be included in the scope of protection of the present invention.

Claims

1. A power supply device for a medium voltage automatic transfer switch, comprising a power cabinet (4), wherein a medium voltage automatic transfer switch (2) and a power switch (1) are arranged inside the power cabinet (4), characterized in that: A protective cleaning component (3) is provided inside the power cabinet (4); The protective cleaning component (3) includes a reciprocating ball screw mechanism (34) mounted on the inner wall of a power cabinet (4); a sleeve pipe rack (36) is fixedly connected to the inner side of the reciprocating ball screw mechanism (34); a bellows (35) is inserted into one side of the sleeve pipe rack (36); one end of the sleeve pipe rack (36) is connected to a delivery pipe (31); one end of the delivery pipe (31) is connected to a drive box (33); a negative pressure fan (39) and an interception net (310) are provided inside the drive box (33).

2. The power supply device for a medium voltage automatic transfer switch according to claim 1, characterized in that: A through hole is provided on one side of the sleeve tube frame (36), a corrugated tube (35) is inserted into the through hole, and one side of the corrugated tube (35) is fixed to the inner wall of the sleeve tube frame (36) by glue.

3. The power supply device for a medium voltage automatic transfer switch according to claim 1, characterized in that: The driving box (33) is fixed to the outer wall of the power cabinet (4), and an opening is provided on one side of the driving box (33), and a collecting box (32) is inserted into the opening.

4. The power supply device for a medium voltage automatic transfer switch according to claim 3, characterized in that: The upper and lower ends of the collection box (32) are both open structures, and an interception net (310) is also provided inside the opening at the bottom of the collection box (32).

5. The power supply device for a medium voltage automatic transfer switch according to claim 3, characterized in that: A baffle (37) is rotatably connected to the inner side of the top opening of the collection box (32), and the baffles (37) are symmetrically distributed with respect to the bisector of the collection box (32).

6. The power supply device for a medium voltage automatic transfer switch according to claim 5, characterized in that: A support spring (38) is fixedly connected to the bottom of the baffle (37), and one end of the support spring (38) is fixedly connected to the inner wall of the collection box (32).

7. The power supply device for a medium voltage automatic transfer switch according to claim 6, characterized in that: The support spring (38) has an inclined structure.

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