Environment-friendly gas-insulated metal-enclosed switchgear

Abstract

The utility model relates to the technical field of electrical equipment, and discloses an environment-friendly gas-insulated metal-enclosed switchgear, which comprises a cabinet body, the side wall of the cabinet body is fixedly communicated with an exhaust fan, the top surface of the cabinet body is provided with an air inlet assembly, and the air inlet assembly comprises protective covers symmetrically and fixedly communicated with the top surface of the cabinet body. Filter screens are symmetrically and fixedly connected to the surfaces of the inner walls of the upper end and the lower end of the protective cover, a filter cover and a dustproof filter element are arranged in the protective cover, sealing plates are fixedly connected to the surfaces of the ends, away from the protective cover, of the filter cover and the dustproof filter element, and guide grooves are symmetrically formed in the surfaces of the ends, away from the protective cover, of the sealing plates; mounting grooves are symmetrically formed in the sealing plate, and connecting grooves are formed in the two ends of the sealing plate. According to the utility model, through the arrangement of the air inlet assembly, convenient maintenance can be realized only through simple operation, and the working difficulty and time cost of maintenance personnel are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical equipment technical field especially relates to environmental protection gas insulation metal enclosed switch device. BACKGROUND

[0002] In the field of environmental protection gas insulation metal enclosed switch device, the stable operation and efficient maintenance of the equipment have been the focus of the industry, and such equipment has very high requirements for the air quality of the operating environment, because once the impurities such as dust and particulate matter in the air enter the interior of the equipment, they are extremely easy to adhere to the surface of electronic components, not only affecting the heat dissipation performance of the components, accelerating the aging of the components, but also possibly causing short circuit, poor contact and other faults, seriously threatening the reliability and service life of the equipment.

[0003] In order to filter the air entering the equipment, the existing switch device will adopt some filtering devices, however, these filtering devices have many drawbacks in installation and maintenance, after a period of use, the filtering devices need to be cleaned or replaced to ensure their filtering performance, but the existing filtering devices are extremely difficult to disassemble, often need to disassemble multiple components, or even disassemble the overall structure of the equipment to a certain extent, which not only puts high requirements on the professional skills of the maintenance personnel, but also the operation process is complicated, time-consuming and laborious, the maintenance personnel need to spend a lot of time and effort to complete the cleaning or replacement work of the filtering device, resulting in too long equipment downtime, affecting the normal use of the equipment. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides an environmental protection gas insulation metal enclosed switch device, which has the advantages of efficient filtering and heat dissipation synchronization and convenient disassembly and maintenance, and solves the problem of inconvenient disassembly and maintenance of the filtering device in the existing environmental protection gas insulation metal enclosed switch device.

[0005] The utility model provides following technical scheme: Environmental protection gas insulation metal enclosed switchgear, including the cabinet, the lateral wall of cabinet is fixedly connected with the exhaust fan, the top surface of cabinet is provided with the air intake component, the air intake component includes the protection cover fixedly connected in the top surface of cabinet symmetry, the upper and lower two end inner wall surface of protection cover is fixedly connected with the filter screen symmetry, the inside of protection cover all is provided with filter cover and dust filter element, the surface of filter cover and dust filter element far from protection cover one end all is fixedly connected with the sealing plate, the surface of sealing plate far from protection cover one end all is opened with the guide groove symmetry, the inside of sealing plate all is provided with the mounting groove symmetry, the both ends of sealing plate all are opened with the connecting groove, the inside of sealing plate all is provided with the limit plate symmetry, the surface of limit plate far from sealing plate one end all is fixedly connected with the lock block, the surface of lock block far from sealing plate one end all is fixedly connected with the pole, the surface of limit plate far from lock block one end all is fixedly connected with the spring, the surface of protection cover inner wall all is opened with the connecting port penetration, the inner wall surface of protection cover and located the inside of connecting port all are opened with the lock groove, be provided with connecting assembly between filter cover and dust filter element.

[0006] Preferably, the connecting assembly comprises a sliding groove penetratingly formed in the filter cover, the inner wall surface of the filter cover and located in the sliding groove is fixedly connected with a dovetail pin in opposite, and the both side surfaces of the dust filter element are oppositely provided with dovetail grooves.

[0007] Preferably, the dust filter elements are slidingly connected in the filter cover, and the dovetail pins are slidingly connected in the dovetail grooves.

[0008] Preferably, the pole is slidingly connected in the guide groove, the limit plate is slidingly connected in the mounting groove, and the lock block is slidingly connected in the connecting groove with the surface of the one end close to the sealing plate.

[0009] Preferably, the guide groove, the mounting groove and the connecting groove are mutually communicated, and the surface of the one end of the lock block far from the sealing plate is slidingly connected in the lock groove.

[0010] Preferably, the surface of the one end of the lock block far from the sealing plate and facing the protection cover is provided as an inclined angle, and the surface of the one end of the spring far from the limit plate is fixedly connected with the inner wall surface of the mounting groove.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. By the setting of the air intake component, the filter cover and the dust filter element can be fixed only by simple operation during installation, and when cleaning or replacing, the filter cover and the dust filter element can be easily taken out from the protection cover by simultaneously moving the poles towards each other, so that convenient maintenance is realized, and the working difficulty and time cost of maintenance personnel are reduced.

[0013] 2. The air is purified by the filter screen, the filter cover and the dustproof filter element, dust and particulate matters in the air are effectively removed, the air entering the cabinet body is ensured to be highly clean, the air is orderly flowed in the cabinet body by cooperating with the exhaust fan, not only the heat generated by the electronic components is taken away, the good heat dissipation effect in the cabinet body is ensured, but also the dust accumulation in the cabinet body is avoided, the equipment failure risk caused by dust accumulation and overheating is greatly reduced, the reliability and stability of the equipment are significantly improved, and the long-term stable operation of the equipment is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the front view of the structure of the utility model;

[0015] Figure 2 It is the schematic view of the air inlet assembly in the structure of the utility model;

[0016] Figure 3 It is the schematic view of the connecting assembly in the structure of the utility model.

[0017] In the drawing: 1, cabinet body; 2, exhaust fan; 3, air inlet assembly; 31, protective cover; 32, filter screen; 33, filter cover; 34, dustproof filter element; 35, sealing plate; 36, guide groove; 37, mounting groove; 38, connecting groove; 39, limiting plate; 311, lock block; 312, lever; 313, spring; 314, connecting port; 315, lock groove; 4, connecting assembly; 41, sliding groove; 42, dovetail pin; 43, dovetail groove. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] Please refer to Figure 1 - Figure 3The utility model provides an embodiment: environmental protection gas insulation metal enclosed switchgear, including the cabinet 1, the lateral wall fixed communication of cabinet 1 has exhaust fan 2, the top surface of cabinet 1 is provided with air intake component 3, air intake component 3 includes the protection cover 31 fixed communication in the top surface of cabinet 1 symmetry, the inside wall surface of the upper and lower ends of protection cover 31 is fixedly connected with filter screen 32 symmetry, the inside of protection cover 31 is provided with filter cover 33 and dust filter core 34, the end surface of filter cover 33 and dust filter core 34 away from protection cover 31 is fixedly connected with sealing plate 35, the end surface of sealing plate 35 away from protection cover 31 is opened with guide slot 36 symmetry, the inside of sealing plate 35 is provided with mounting groove 37 symmetry, the both ends of sealing plate 35 are opened with connecting groove 38, the inside of sealing plate 35 is provided with limit stop 39 symmetry, the end surface of limit stop 39 away from sealing plate 35 is fixedly connected with lock block 311, the end surface of lock block 311 away from sealing plate 35 is fixedly connected with the lever 312 of pushing, the end surface of limit stop 39 away from lock block 311 is fixedly connected with spring 313, the lateral wall surface of protection cover 31 is all opened with connecting port 314, the inside wall surface of protection cover 31 and located in the inside of connecting port 314 are all opened with lock groove 315, be provided with connecting assembly 4 between filter cover 33 and dust filter core 34, the inside of guide slot 36 is all slidingly connected with the lever 312 of pushing, the inside of mounting groove 37 is all slidingly connected with limit stop 39, the end surface of lock block 311 close to sealing plate 35 is all slidingly connected in the inside of connecting groove 38, guide slot 36, mounting groove 37 and connecting groove 38 all intercommunication, the end surface of lock block 311 away from sealing plate 35 is all slidingly connected in the inside of lock groove 315, the end surface of lock block 311 away from sealing plate 35 and facing the one end of protection cover 31 is all set up as bevel angle, the inside wall surface of mounting groove 37 is all fixedly connected with the end surface of spring 313 away from limit stop 39, filter cover 33 is all slidingly connected in the inside of protection cover 31 through connecting port 314, the filter screen 32 of protection cover 31 top is used for filtering the larger impurity in air, the filter screen 32 of protection cover 31 bottom is used for preventing filter cover 33 and dust filter core 34 broken and fall into the inside of cabinet 1, the mesh of filter screen 32 is greater than filter cover 33 mesh, avoid dust to enter the inside of cabinet 1, simultaneously, air flows in the inside of cabinet 1, is discharged through exhaust fan 2, the flow of air takes away the heat of electronic component in the inside of cabinet 1, has guaranteed the heat dissipation effect in the inside of cabinet 1, has reduced dust, has promoted the heat dissipation effect, thereby indirectly prolonged the service life of electronic component in the inside of cabinet 1.

[0020] Please refer to Figure 1 - Figure 3The connecting assembly 4 comprises a sliding groove 41 penetratingly arranged in the filter cover 33, the inner wall surface of the filter cover 33 is fixedly connected with a dovetail pin 42 inside the sliding groove 41, the both side surfaces of the dustproof filter element 34 are oppositely provided with dovetail grooves 43, the dustproof filter element 34 is slidably connected inside the filter cover 33, the dovetail pin 42 is slidably connected inside the dovetail groove 43, the dovetail pin 42 is arranged on the inner wall waist of the filter cover 33, the dovetail groove 43 is arranged on the waist of the dustproof filter element 34, when the dovetail pin 42 is slidably connected inside the dovetail groove 43, the position of the dustproof filter element 34 is ensured to be inside the center of the filter cover 33.

[0021] Working principle: in use, firstly, the filter cover 33 and the dustproof filter element 34 are installed, the filter cover 33 is inserted into the protective cover 31 through any one of the connecting ports 314 on the both sides of the protective cover 31, the dovetail grooves 43 on the both sides of the dustproof filter element 34 are aligned with the dovetail pins 42 inside the filter cover 33, the dustproof filter element 34 is pushed into the filter cover 33 through the other connecting port 314 along the direction of the sliding groove 41, so that the dovetail pin 42 is slidably connected inside the dovetail groove 43, in the process of putting in, the end of the locking block 311 away from the sealing plate 35 is arranged at an angle, which will be in contact with and pressed by the side wall of the protective cover 31, at this time, the limiting plate 39 will slide in the installation groove 37, the spring 313 is compressed, when the sealing plate 35 moves to the appropriate position, the end of the locking block 311 away from the sealing plate 35 will slide into the locking groove 315, under the elastic force of the spring 313, the limiting plate 39 pushes the locking block 311 to tightly clasp in the locking groove 315, so that the filter cover 33 and the dustproof filter element 34 are fixedly installed in the protective cover 31, the connection between the dustproof filter element 34 and the filter cover 33 is completed, when the equipment is running, the external air enters the inside of the cabinet 1 from the air inlet assembly 3, the air is firstly preliminarily filtered by the filter screens 32 on the upper and lower ends of the protective cover 31 to remove larger impurities, then the air enters the inside of the protective cover 31 and is further filtered by the filter cover 33 and the dustproof filter element 34 in sequence to remove finer dust and particulate matters, so as to ensure that the air entering the cabinet 1 is clean and meet the requirement of the air quality of the gas-insulated metal-enclosed switchgear on environmental protection, avoid dust from entering the inside of the cabinet 1, the air flows in the inside of the cabinet 1 and is discharged by the exhaust fan 2, the flow of the air carries away the heat of the electronic elements in the inside of the cabinet 1, so as to ensure the heat dissipation effect in the inside of the cabinet 1 and indirectly prolong the service life of the electronic elements in the inside of the cabinet 1, when it is needed to clean or replace the filter cover 33 and the dustproof filter element 34, the push rods 312 are simultaneously pushed towards each other, the push rods 312 slide towards each other in the guide grooves 36, the locking blocks 311 move towards each other in the connecting grooves 38, so that the end of the locking block 311 away from the sealing plate 35 is out of the locking groove 315, at the same time, the limiting plate 39 compresses the spring 313, at this time, the filter cover 33 and the dustproof filter element 34 can be taken out from the protective cover 31 for cleaning or replacement.

Claims

1. Environment-friendly gas insulated metal-enclosed switchgear comprising a cabinet (1), characterized in that: The side wall of the cabinet (1) is fixedly connected to an exhaust fan (2), and the top surface of the cabinet (1) is provided with an air intake component (3). The air intake assembly (3) includes a protective cover (31) symmetrically fixed and connected to the top surface of the cabinet (1). Filter screens (32) are symmetrically fixed and connected to the inner wall surfaces of the upper and lower ends of the protective cover (31). Filter covers (33) and dust filter elements (34) are provided inside the protective cover (31). Sealing plates (35) are fixedly connected to the surface of the filter covers (33) and dust filter elements (34) away from the protective cover (31). Guide grooves (36) are symmetrically opened on the surface of the sealing plates (35) away from the protective cover (31). Installation grooves (37) are symmetrically arranged inside the sealing plates (35). Connection grooves (38) are opened at both ends of the sealing plates (35). Limiting plates (39) are symmetrically arranged inside the sealing plate (35). A locking block (311) is fixedly connected to the end surface of the limiting plate (39) away from the sealing plate (35). A lever (312) is fixedly connected to the end surface of the locking block (311) away from the sealing plate (35). A spring (313) is fixedly connected to the end surface of the limiting plate (39) away from the locking block (311). A connection port (314) is opened through the side wall surface of the protective cover (31). A locking groove (315) is opened on the inner wall surface of the protective cover (31) and inside the connection port (314). A connecting component (4) is provided between the filter cover (33) and the dust filter element (34).

2. The environmentally friendly gas insulated metal enclosed switchgear according to claim 1, characterized in that: The connecting component (4) includes a sliding groove (41) that runs through the inside of the filter cover (33). A dovetail pin (42) is fixedly connected to the inner wall surface of the filter cover (33) and inside the sliding groove (41). Dovetail grooves (43) are provided on both sides of the dust filter element (34).

3. The environmentally friendly gas insulated metal-enclosed switchgear according to claim 2, characterized in that: The dust filter element (34) is slidably connected inside the filter cover (33), and the dovetail pin (42) is slidably connected inside the dovetail groove (43).

4. The environmentally friendly gas insulated metal enclosed switchgear according to claim 1, characterized in that: The levers (312) are all slidably connected inside the guide groove (36), the limiting plates (39) are all slidably connected inside the mounting groove (37), and the end surface of the locking block (311) near the sealing plate (35) is all slidably connected inside the connecting groove (38).

5. The environmentally friendly gas insulated metal enclosed switchgear according to claim 1, characterized in that: The guide groove (36), mounting groove (37) and connecting groove (38) are all interconnected, and the end surface of the locking block (311) away from the sealing plate (35) is slidably connected to the inside of the locking groove (315). 6.The environmentally friendly gas insulated metal-enclosed switchgear according to claim 1, characterized in that: The locking block (311) is angled at the end away from the sealing plate (35) and the end facing the protective cover (31), and the spring (313) is fixedly connected to the inner wall surface of the mounting groove (37) at the end away from the limiting plate (39).

Images