Dustproof low-voltage switch cabinet

Abstract

The utility model discloses a dustproof low-voltage switch cabinet, and aims to solve the technical problems in the prior art that a filter screen is mounted at an air inlet of some equipment, a cabinet door needs to be opened during replacement, and more components in the cabinet in a power-on state are extremely inconvenient to disassemble and assemble, and the dustproof low-voltage switch cabinet comprises a cabinet body, a bottom air inlet and a dustproof assembly arranged at the inner side of the air inlet, the dustproof assembly comprises a detachable dustproof net and a clamping guide rail; the dustproof net comprises a detachable dustproof net main body and a shell; the dustproof net main body comprises a dustproof filter net; the shell comprises a filter screen clamping groove and an air flowing groove; the dustproof net is detachably arranged in the filter screen clamping groove; the limiting baffle is fixedly connected with a pressing type rebounding device arranged in the sliding direction of the dustproof net. A main body of the rebounding device is fixedly arranged on the side, away from the dustproof net, of the limiting baffle, and a telescopic rod of the rebounding device penetrates through the limiting baffle and detachably abuts against the end face of the dustproof net; a side plate of the cabinet body is provided with a hand-push type sliding door; the sliding door comprises upper and lower door rails and a door body.

Description

TECHNICAL FIELD

[0001] The utility model relates to switchgear equipment technical field especially relates to a dustproof low voltage switchgear. BACKGROUND

[0002] Low voltage switchgear is a kind of equipment for circuit control and protection in low voltage power system, built-in busbar, circuit breaker and other electrical components, rated frequency 50Hz, rated voltage 380V, mainly applied to lighting and power distribution field, responsible for the conversion and control of electric energy.The equipment has the advantages of small size, light weight, compact structure and convenient installation and use.

[0003] In order to improve the heat dissipation effect, the existing low voltage switchgear will install the heat dissipation fan inside, improve the air flow between the inside and outside of cabinet, promote heat dissipation, but after long time use, dust and other solid particles will also enter the inside of cabinet body, adhere to electronic switch device, accumulate day by day, can seriously affect the heat dissipation of equipment, cause damage to components, cause the equipment to work normally, exist short circuit fire and other safety hazards.Some equipment will install filter screen at air inlet, and need to open cabinet door when replacing, and there are many energized components in the cabinet, and disassembly and assembly are extremely inconvenient. UTILITY MODEL CONTENTS

[0004] The utility model discloses a dustproof low voltage switchgear to solve the problems in the background art.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A dustproof low voltage switchgear, comprising a cabinet body, an air inlet arranged at the front bottom of the cabinet body and a dustproof assembly arranged inside the air inlet.

[0007] The dustproof assembly comprises a detachable dust screen and two front and rear parallelly arranged clamping guide rails in linear slidable connection with the dust screen, one end of the clamping guide rail is in through connection with the side plate on one side of the cabinet body, and the other end is vertically provided with a limiting baffle, the clamping guide rail comprises an upper guide rail and a lower guide rail, and the dust screen is in slidable clamping between the upper guide rail and the lower guide rail.

[0008] The dust screen comprises a detachable dust screen main body and a shell in slidable connection with the upper guide rail and the lower guide rail, the dust screen main body comprises a dust filter screen, the shell comprises a filter screen clamping groove arranged inside and an air flow groove vertically penetrating the filter screen clamping groove and matched with the dust filter screen, and the dust screen is detachably sleeved in the filter screen clamping groove.

[0009] The limiting baffle is fixedly connected with a pressing type rebounder arranged along the sliding direction of the dustproof net; the main body of the rebounder is fixedly arranged on the side of the limiting baffle away from the dustproof net, and the telescopic rod of the rebounder penetrates through the limiting baffle and is detachably abutted against the end face of the dustproof net.

[0010] The hand-pushing sliding door is arranged at the through portion of the clamping guide rail and the side plate of the cabinet body; the sliding door comprises upper and lower door rails and a door body which is slidably clamped between the upper and lower door rails.

[0011] Preferably, a dovetail-shaped first clamping protrusion is fixedly arranged at the center of the upper guide rail; correspondingly, the top surface of the shell is provided with a dovetail-shaped groove matched with the first clamping protrusion; the first clamping protrusion and the dovetail-shaped groove are slidably limitedly abutted, which facilitates the installation and disassembly of the dustproof net, and the dovetail-shaped clamping groove of the upper guide rail can share the support force of the lower guide rail on the dustproof net, thereby improving the service life of the clamping guide rail.

[0012] Preferably, a semicircular second clamping protrusion is fixedly arranged on the lower guide rail; correspondingly, the bottom surface of the shell is provided with a semicircular groove matched with the second clamping protrusion; the second clamping protrusion and the semicircular groove are slidably limitedly abutted, which has the functions of limiting and disassembling guiding, thereby facilitating the installation and disassembly of the dustproof net.

[0013] Preferably, a push-pull handle is fixedly arranged at the side edge of the door body, thereby facilitating the opening and closing of the door body.

[0014] Preferably, the bottom surface of the push-pull handle is provided with a first magnetic attraction piece, and correspondingly, the side plate of the cabinet body is embedded with a second magnetic attraction piece and a third magnetic attraction piece matched with the first magnetic attraction piece; when the first magnetic attraction piece is magnetically connected with the second magnetic attraction piece, the sliding door is in a closed state; when the first magnetic attraction piece is magnetically connected with the third magnetic attraction piece, the sliding door is in an open state; through the magnetic attraction, the limiting of the opening and closing states of the door body is realized.

[0015] Compared with the prior art, the dustproof low-voltage switch cabinet has the following beneficial effects:

[0016] The utility model discloses a cabinet body side plate is equipped with the sliding door that is convenient for dust screen maintenance in the installation of dust screen, when dust screen needs maintenance, need not open the switch cabinet door, avoid the situation when maintaining dust screen and touch the electrified state component in the cabinet, improve maintenance efficiency and operation safety. Meanwhile, the utility model discloses having the dust screen of slidable dismounting of front and rear side -by -side type, when the old dust screen on a guide rail needs maintenance, can first place the new dust screen on another guide rail, then remove the old dust screen, reduce dust screen to the protective air window period of switch cabinet, improve dust efficiency through simple structure. In addition, when needing to replace dust screen, only need to press the dust screen of needing to replace, and the rebounder on the limiting baffle will pop out the dust screen part, convenient replacement operation. The utility model discloses simple structure, dismounting portable, dustproof effect is good, is fit for wide range of popularization and use. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure schematic drawing of the utility model embodiment sliding door closed state;

[0018] Figure 2 It is Figure 1 The enlarged view of area A in it;

[0019] Figure 3 It is the structure schematic drawing of the utility model embodiment sliding door open state;

[0020] Figure 4 It is Figure 3 The enlarged view of area B in it;

[0021] Figure 5 It is the connection structure schematic drawing of the rebounder in the utility model embodiment;

[0022] Figure 6 It is Figure 5 The enlarged view of area C in it;

[0023] Figure 7 It is the structure schematic drawing of the rebounder in the utility model embodiment;

[0024] Figure 8 It is the connection structure explosion schematic drawing of the dust screen in the utility model embodiment;

[0025] Figure 9 It is the structure schematic drawing of another visual angle of the utility model embodiment sliding door open state;

[0026] Figure 10 It is Figure 9 The enlarged view of area D in it;

[0027] Figure 11 It is the structure schematic drawing of the dust screen in the utility model embodiment.

[0028] Reference numerals: 1. Cabinet body; 11. Side panel; 2. Air inlet; 3. Dustproof component; 31. Dustproof net; 311. Dustproof net body; 312. Outer shell; 313. Dustproof filter; 314. Filter clip slot; 315. Airflow slot; 316. Dovetail groove; 317. Semicircular groove; 32. Clip-on guide rail; 321. Upper guide rail; 322. Lower guide rail; 323. First clip-on protrusion; 324. Second clip-on protrusion; 33. Limiting baffle; 34. Rebound device; 341. Telescopic rod; 35. Sliding door; 351. Upper and lower door rails; 352. Door body; 353. Push-pull handle; 354. First magnetic block; 355. Third magnetic block. Detailed Implementation

[0029] The following detailed description illustrates the specific implementation method:

[0030] Example 1

[0031] like Figures 1-11 As shown in the figure, this embodiment illustrates a dustproof low-voltage switchgear, including a cabinet 1, an air inlet 2 located at the bottom of the front of the cabinet 1, and a dustproof component 3 located inside the air inlet 2. It should be noted that in this embodiment, the switchgear has an air outlet on the back and a guide fan located inside the air outlet. The guide fan promotes airflow between the inside and outside of the cabinet, improving heat dissipation.

[0032] In this embodiment, the dustproof component 3 includes a detachable dustproof net 31 and two parallel snap-fit ​​guide rails 32 that are linearly slidably connected to the dustproof net 31. One end of each snap-fit ​​guide rail 32 is connected through to a side panel 11 on one side of the cabinet 1, and the other end is vertically provided with a limiting baffle 33. Each snap-fit ​​guide rail 32 includes an upper guide rail 321 and a lower guide rail 322. The dustproof net 31 is slidably snapped between the upper guide rail 321 and the lower guide rail 322. Specifically, when the old dustproof net 31 on one snap-fit ​​guide rail 32 needs to be replaced or maintained, the new dustproof net 31 can be placed on the other guide rail first, and then the old dustproof net 31 can be removed. This reduces the protection gap of the dustproof net 31 for the switch cabinet and improves dustproof efficiency through a simple structure.

[0033] In this embodiment, the dustproof net 31 includes a detachable dustproof net body 311 and a housing 312 slidably connected to the upper guide rail 321 and the lower guide rail 322. The dustproof net body 311 includes a dustproof filter 313. The housing 312 includes a filter clip slot 314 disposed inside and an airflow groove 315 perpendicularly penetrating the filter clip slot 314 and matching the dustproof filter 313. The dustproof net 31 is detachably fitted into the filter clip slot 314. The dustproof net body 311 and the housing 312 are detachably connected, so during maintenance, only the dustproof net body 311 needs to be removed, without the need for complete replacement, thus saving costs.

[0034] The limiting baffle 33 is fixedly connected with a pressing type rebounder 34 arranged along the sliding direction of the dust screen 31; the main body of the rebounder 34 is fixedly arranged on the side of the limiting baffle 33 away from the dust screen 31, and the telescopic rod 341 of the rebounder 34 penetrates through the limiting baffle 33 and is detachably abutted with the end face of the dust screen 31. Specifically, the traditional rebounder 34 is a hardware fitting installed on the cabinet door, which can open or close the door panel by pressing, so that the opening and closing of the cabinet door are more convenient and beautiful. The working principle thereof is mainly to realize the buffer closing and automatic rebound of the cabinet door through the contraction and release of the spring. In the embodiment, the rebounder 34 is used to realize the ejection of the dust screen 31, and the specific model can be selected according to the specifications of the switch cabinet body 1.

[0035] The clamping guide rail 32 is provided with a hand-pushing sliding door 35 at the penetration position of the cabinet body 1 and the side plate 11; the sliding door 35 comprises upper and lower door rails 351 and a door body 352 slidably clamped between the upper and lower door rails 351, and the sliding sliding door facilitates the disassembly and assembly of the dust screen 31.

[0036] Embodiment 2

[0037] As shown in Figures 1-11 , another embodiment based on embodiment 1 shows a dustproof low-voltage switch cabinet, which further illustrates that, in the further implementable manner of the embodiment, as shown in Figures 1-2 , the side of the door body 352 is fixedly provided with a push-pull handle 353, which facilitates the opening and closing of the door body 352.

[0038] Further, in these embodiments, as shown in Figures 1-2 , the bottom surface of the push-pull handle 353 is provided with a first magnetic block 354, and correspondingly, the side plate 11 of the cabinet body 1 is embedded with a second magnetic block and a third magnetic block 355 matched with the first magnetic block 354; when the first magnetic block 354 is magnetically connected with the second magnetic block, the sliding door 35 is in a closed state; when the first magnetic block 354 is magnetically connected with the third magnetic block 355, the sliding door 35 is in an open state, and the opening and closing states of the door body 352 are limited through magnetic attraction.

[0039] Embodiment 3

[0040] As shown in Figures 1-11 , another embodiment based on embodiment 1 shows a dustproof low-voltage switch cabinet, which further illustrates that, in the further implementable manner of the embodiment, as shown in Figures 9-11As shown, the upper rail 321 is fixed with a dovetail-shaped first clamping protrusion 323 at the center; correspondingly, the top surface of the shell 312 is provided with a dovetail groove 316 matched with the first clamping protrusion 323; the first clamping protrusion 323 and the dovetail groove 316 are slidably limited and abutted, facilitating the installation and disassembly of the dust screen 31, and meanwhile, the upper rail 321 adopts the dovetail-shaped clamping groove to share the support force of the lower rail 322 on the dust screen 31, improving the service life of the clamping rail 32.

[0041] Further, in some further implementable manners of the embodiment, as shown in Figures 9-11 As shown, the lower rail 322 is fixed with a semicircular second clamping protrusion 324; correspondingly, the bottom surface of the shell 312 is provided with a semicircular groove 317 matched with the second clamping protrusion 324; the second clamping protrusion 324 and the semicircular groove 317 are slidably limited and abutted, having a limiting and disassembly guiding effect, facilitating the installation and disassembly of the dust screen 31.

[0042] The above-mentioned is only the embodiment of the utility model, and the well-known specific structure and characteristics and other common knowledge in the scheme are not described too much. It should be noted that, for those skilled in the art, without departing from the structure of the utility model, a number of deformations and improvements can be made, which should also be regarded as the protection scope of the utility model, and these will not affect the effect and practicality of the utility model. The protection scope of the present application should be subject to the content of its claims, and the specific implementation mode and the like in the specification can be used to explain the content of the claims.

Claims

1. A dustproof low-voltage switchgear, characterized by: The dustproof assembly is arranged on the inner side of the air inlet and comprises a detachable dustproof screen and two front and rear parallelly arranged clamping rails which are linearly slidably connected with the dustproof screen. The dustproof screen comprises a detachable dustproof screen body and a shell which is linearly slidably connected with the upper rail and the lower rail. The dustproof screen body comprises a dustproof filter screen. The shell comprises a filter screen clamping groove arranged in the interior and an air flow groove which is vertically through the filter screen clamping groove and matched with the dustproof filter screen. The limiting baffle is fixedly connected with a pressing type rebounder arranged along the sliding direction of the dustproof screen.

2. The dustproof low-voltage switch cabinet according to claim 1, characterized in that: The main body of the rebounder is fixedly arranged on the side of the limiting baffle away from the dustproof screen, and the telescopic rod of the rebounder penetrates through the limiting baffle and is separably abutted against the end face of the dustproof screen.

3. The dustproof low-voltage switch cabinet according to claim 1, characterized in that: The clamping rail and the side plate of the cabinet are provided with a hand-pushing sliding door at the through part.

4. The dustproof low-voltage switch cabinet according to claim 1, characterized in that: The upper rail is fixedly provided with a dovetail-shaped first clamping convex strip at the center thereof.

5. The dustproof low-voltage switchgear according to claim 4, characterized in that: Correspondingly, the top surface of the shell is provided with a dovetail groove matched with the first clamping convex strip. The first clamping convex strip and the dovetail groove are linearly and limitingly abutted. The lower rail is fixedly provided with a semicircular second clamping convex strip. Correspondingly, the bottom surface of the shell is provided with a semicircular groove matched with the second clamping convex strip. The second clamping convex strip and the semicircular groove are linearly and limitingly abutted. The door body is fixedly provided with a push-pull handle at the side edge thereof. The bottom surface of the push-pull handle is provided with a first magnetic suction block, and the side plate of the cabinet is inlaid with a second magnetic suction block and a third magnetic suction block matched with the first magnetic suction block. When the first magnetic suction block is magnetically connected with the second magnetic suction block, the sliding door is in the closed state. When the first magnetic suction block is magnetically connected with the third magnetic suction block, the sliding door is in the open state.

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