CN211670525U

CN211670525U - Anti-interference device of high-low voltage switch cabinet

Info

Publication number: CN211670525U
Application number: CN202020627641.0U
Authority: CN
Inventors: 高仁洁; 王泉; 于林
Original assignee: Henan Xindian Electric Appliance Group Power Transmission And Distribution Co ltd
Current assignee: Henan Xindian Electric Appliance Group Power Transmission And Distribution Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-10-13
Anticipated expiration: 2030-04-23

Abstract

The utility model discloses a jam-proof device of high-low voltage switch cabinet, including the cubical switchboard body, two inlet ports have been seted up to the symmetry on the cubical switchboard body, equal fixed mounting has first filter screen on the inside wall of two inlet ports, the exhaust fan is installed on the top of cubical switchboard body, this internal dismantlement of cubical switchboard is installed two dust keeper that mutually supports with the inlet port, and dust keeper and inlet port one-to-one, dust keeper is including collection dirt frame, and the sealed inside wall of pasting tightly at the cubical switchboard body of collection dirt frame, the top of collection dirt frame is equipped with the opening, fixed mounting has the second filter screen in the opening, fixed mounting has the connecting plate on the lateral wall on collection dirt frame top. The utility model discloses in all install dust keeper in the position that every inlet port corresponds, it is originally internal that the gas of both being convenient for gets into the cubical switchboard through the inlet port, can prevent again to be mingled with this internal in the cubical switchboard of impurity large tracts of land such as dust in the air entering to this internal has improved this internal electric elements' of cubical switchboard result of use and life, reasonable in design, and practical function is good.

Description

Anti-interference device of high-low voltage switch cabinet

Technical Field

The utility model relates to a circuit jam-proof equipment technical field especially relates to a jam-proof device of high-low voltage switch cabinet.

Background

The switch cabinet is an electric device, the outside line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, each branch circuit is arranged according to the requirement, such as an instrument, an automatic control switch, a motor magnetic switch, various alternating current contactors and the like, some switch cabinets are also provided with a high-voltage chamber and a low-voltage chamber, high-voltage buses are arranged, such as a power plant and the like, and some switch cabinets are also provided with low-frequency load shedding for protecting main equipment.

However, most of the existing interference prevention devices for high and low voltage switch cabinets are mainly focused on the treatment of current interference, so that the effect of preventing current interference is well met, but most of switch cabinets neglect basic dustproof treatment, dust is difficult to avoid in the working environment of the switch cabinet, and if a large amount of dust enters the device and is not treated in time, the service life of the device can be seriously influenced, so that improvement needs to be made.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the dustproof and waterproof effect of the prior art medium and high low voltage switch cabinet is relatively poor, and the interference preventing device of the high and low voltage switch cabinet that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an anti-interference device of a high-low voltage switch cabinet comprises a switch cabinet body, wherein two air inlet holes are symmetrically formed in the switch cabinet body, first filter screens are fixedly mounted on the inner side walls of the two air inlet holes, an exhaust fan is mounted at the top end of the switch cabinet body, two dustproof devices matched with the air inlet holes are detachably mounted in the switch cabinet body and correspond to the air inlet holes one by one, each dustproof device comprises a dust collection frame, the dust collection frame is tightly attached to the inner side wall of the switch cabinet body in a sealing mode, an opening is formed in the top end of the dust collection frame, a second filter screen is fixedly mounted in the opening, a connecting plate is fixedly mounted on the outer side wall of the top end of the dust collection frame and is inserted into the inner side wall of the switch cabinet body, a plurality of bolts matched with the connecting plate are movably mounted on the inner side wall of the switch cabinet body, and the bottoms of the, and the connecting plate is provided with a plurality of jacks matched with the bolts.

Preferably, two equal fixed mounting has the stock guide on the inside wall of collection dirt frame bottom, and the stock guide slope sets up.

Preferably, two equal fixed mounting has the locating piece on the lateral wall of collection dirt frame bottom, set up the constant head tank of mutually supporting with the locating piece on the inside wall of cubical switchboard body.

Preferably, the common fixed mounting in top of bolt has the mounting panel, and the one end of mounting panel extends to this internally of cubical switchboard, set up the movable groove of mutually supporting with mounting panel and bolt on the inside wall of cubical switchboard body, fixed mounting has the fixed plate on the inside wall of cubical switchboard body, and the fixed plate is located the upside of connecting plate, the activity is inserted on the roof of fixed plate and is equipped with a plurality of movable rods, and the equal fixed mounting in bottom of movable rod is on the roof of mounting panel, every all around being equipped with the spring on the lateral wall of movable rod, and the both ends difference fixed mounting of spring is on fixed plate and mounting panel.

Preferably, two equal fixed mounting has sealing rubber pad on the lateral wall of collection dirt frame near inlet port one side, and sealing rubber pad and cubical switchboard body's inside wall in close contact with.

Compared with the prior art, the utility model discloses there is following beneficial effect:

1. the dustproof device is arranged at the position corresponding to each air inlet, so that gas can conveniently enter the switch cabinet body through the air inlet, and impurities such as dust mixed in the air can be prevented from entering the switch cabinet body in a large area, so that the use effect and the service life of the electric elements in the switch cabinet body are improved, the design is reasonable, and the practical effect is good;

2. can be convenient install collection dirt frame this internal or follow this internal pull down of cubical switchboard, convenient operation, swift to can be convenient clear up the impurity such as the dust of collecting in the collection dirt frame, excellent in use effect.

Drawings

Fig. 1 is a schematic front structural view of an interference preventing device for a high-low voltage switch cabinet according to the present invention;

fig. 2 is a top view of a dust collecting frame part structure of an interference preventing device of a high-low voltage switch cabinet provided by the utility model;

fig. 3 is an enlarged view of a part a of the structure of the interference preventing device of the high-low voltage switch cabinet.

In the figure: 1 switch cabinet body, 2 inlet ports, 3 first filter screens, 4 exhaust fans, 5 dust collecting frames, 6 second filter screens, 7 guide plates, 8 positioning blocks, 9 connecting plates, 10 bolts, 11 mounting plates, 12 movable grooves, 13 fixed plates, 14 movable rods and 15 springs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an anti-interference device for high and low voltage switch cabinets comprises a switch cabinet body 1, two air inlet holes 2 are symmetrically formed on the switch cabinet body 1, first filter screens 3 are fixedly mounted on the inner side walls of the two air inlet holes 2, an exhaust fan 4 is mounted at the top end of the switch cabinet body 1, two dust-proof devices matched with the air inlet holes 2 are detachably mounted in the switch cabinet body 1, the dust-proof device is corresponding to the air inlet 2 one by one, the dust-proof device comprises a dust collecting frame 5, the dust collecting frame 5 is tightly sealed on the inner side wall of the switch cabinet body 1, the top end of the dust collecting frame 5 is provided with an opening, a second filter screen 6 is fixedly arranged in the opening, the inner side walls at the bottom ends of the two dust collecting frames 5 are fixedly provided with a material guide plate 7, and the material guide plate 7 is obliquely arranged, it is possible to prevent foreign matters such as dust falling on the bottom end of the dust collection frame 5 from being blown up to float in the dust collection frame 5.

Equal fixed mounting has locating piece 8 on the lateral wall of two collection dirt frames 5 bottoms, offers the constant head tank of mutually supporting with locating piece 8 on the inside wall of cubical switchboard body 1, not only be convenient for accurate will collect dirt frame 5 and be connected to the inside wall of cubical switchboard body 1 on, also promoted collection dirt frame 5 and cubical switchboard body 1's joint strength.

The outer side wall of the top end of the dust collection frame 5 is fixedly provided with a connecting plate 9, the connecting plate 9 is inserted into the inner side wall of the switch cabinet body 1, the inner side wall of the switch cabinet body 1 is movably provided with a plurality of bolts 10 which are matched with the connecting plate 9, the bottom ends of the bolts 10 are all inserted into the connecting plate 9, the connecting plate 9 is provided with a plurality of jacks which are matched with the bolts 10, the top ends of the bolts 10 are jointly and fixedly provided with a mounting plate 11, one end of the mounting plate 11 extends into the switch cabinet body 1, the inner side wall of the switch cabinet body 1 is provided with a movable groove 12 which is matched with the mounting plate 11 and the bolts 10, the inner side wall of the switch cabinet body 1 is fixedly provided with a fixed plate 13, the fixed plate 13 is positioned on the upper side of the connecting plate 9, the top wall of the fixed plate 13 is movably inserted with a plurality, all around being equipped with spring 15 on the lateral wall of every movable rod 14, and spring 15's both ends respectively fixed mounting on fixed plate 13 and mounting panel 11, upwards promote mounting panel 11 and bolt 10 and insert connecting plate 9 on the inside wall of cubical switchboard body 1, loosen the mounting panel 11 back, spring 15 is owing to resume self elasticity can promote mounting panel 11 and bolt 10 downstream and insert the bottom of bolt 10 in connecting plate 9, thereby can be with connecting plate 9 and collection dirt frame 5 fixed mounting on cubical switchboard body 1.

Equal fixed mounting has sealing rubber pad on the lateral wall that two collection dirt frames 5 are close to inlet port 2 one side, and sealing rubber pad and cubical switchboard body 1's inside wall in close contact with, can promote the leakproofness of being connected between collection dirt frame 5 and the cubical switchboard body 1 inside wall to avoid impurity such as dust to get into cubical switchboard body 1 through the clearance between collection dirt frame 5 and the cubical switchboard body 1 in.

In the utility model, the gas enters the dust collecting frame 5 through the air inlet 2 and the first filter screen 3, the impurities such as dust and the like can slide to the bottom end of the dust collecting frame 5 along the inclined top wall of the material guide plate 7 after being filtered by the second filter screen 6, and the gas enters the switch cabinet body 1 through the second filter screen 6 and is discharged through the exhaust fan 4; the installation plate 11 and the bolt 10 are pushed upwards, and the bolt 10 is pushed to the upper side of the connecting plate 9, so that the dust collection frame 5 can be conveniently detached from the switch cabinet body 1, and impurities such as dust collected in the dust collection frame 5 can be cleaned.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a jam-proof device of high-low voltage switch cabinet, includes cubical switchboard body (1), its characterized in that: two inlet ports (2) have been seted up to the symmetry on cubical switchboard body (1), two equal fixed mounting has first filter screen (3) on the inside wall of inlet port (2), exhaust fan (4) are installed on the top of cubical switchboard body (1), dismantle in cubical switchboard body (1) and install two dust keeper that mutually support with inlet port (2), and dust keeper and inlet port (2) one-to-one, dust keeper includes collection dirt frame (5), and just collect dirt frame (5) sealed paste tightly on the inside wall of cubical switchboard body (1), the top of collection dirt frame (5) is equipped with the opening, fixed mounting has second filter screen (6) in the opening, fixed mounting has connecting plate (9) on the lateral wall on collection dirt frame (5) top, and connecting plate (9) insert and establish on the inside wall of cubical switchboard body (1), movable mounting has a plurality of and connecting plate (9) mutually supporting's on the inside wall of cubical switchboard body (1), movable mounting has a plurality of mutually supporting's on the inside wall of cubical The connecting plate is characterized by comprising bolts (10), the bottom ends of the bolts (10) are inserted into the connecting plate (9), and a plurality of jacks matched with the bolts (10) are formed in the connecting plate (9).

2. The interference preventing device for the high-low voltage switch cabinet according to claim 1, wherein: two equal fixed mounting has stock guide (7) on the inside wall of collection dirt frame (5) bottom, and stock guide (7) slope sets up.

3. The interference preventing device for the high-low voltage switch cabinet according to claim 1, wherein: two equal fixed mounting has locating piece (8) on the lateral wall of collection dirt frame (5) bottom, set up the constant head tank of mutually supporting with locating piece (8) on the inside wall of cubical switchboard body (1).

4. The interference preventing device for the high-low voltage switch cabinet according to claim 1, wherein: the common fixed mounting in top of bolt (10) has mounting panel (11), and the one end of mounting panel (11) extends to in cubical switchboard body (1), set up movable groove (12) of mutually supporting with mounting panel (11) and bolt (10) on the inside wall of cubical switchboard body (1), fixed mounting has fixed plate (13) on the inside wall of cubical switchboard body (1), and fixed plate (13) are located the upside of connecting plate (9), the activity is inserted on the roof of fixed plate (13) and is equipped with a plurality of movable rods (14), and the equal fixed mounting in bottom of movable rod (14) is on the roof of mounting panel (11), every all around being equipped with spring (15) on the lateral wall of movable rod (14), and the both ends difference fixed mounting of spring (15) is on fixed plate (13) and mounting panel (11).

5. The interference preventing device for the high-low voltage switch cabinet according to claim 1, wherein: two equal fixed mounting has sealing rubber pad on the lateral wall of collection dirt frame (5) near inlet port (2) one side, and sealing rubber pad and the inside wall in close contact with of cubical switchboard body (1).