CN220306748U - Combined ring main unit - Google Patents

Abstract

The utility model relates to a looped netowrk case technical field specifically discloses a combination formula looped netowrk case, and it includes the box, has seted up inlet port and venthole on the relative both sides wall of box, and box one side has the mounting panel, and the fan has been placed to the upside of mounting panel, and the fan is connected with the inlet port of box, and the fan still is connected with the air-supply line, and the filter box that is used for absorbing moisture is detachably installed to the one end of air-supply line, and the air intake has been seted up to the filter box; after installing the filter cassette on the air-supply line, start the fan, the fan can produce the negative pressure in air-supply line and filter the box, and during the rain, the moist air in box outside is drawn into filter box and air-supply line in proper order after the air intake, and the filter box can detach the moisture in the air, and dry air is sent into in the box by the fan for keep dry in the box. The method guarantees normal operation of the electric device in the ring main unit.

Description

Combined ring main unit

Technical Field

The application relates to the technical field of ring main units, in particular to a combined ring main unit.

Background

The ring main unit is an electrical equipment with a group of high-voltage switch devices arranged in a metal or nonmetal insulating box body or made into an assembled interval ring main power supply unit, and most ring main units are arranged outdoors.

In the related art, the common looped netowrk case comprises a rectangular case body, a radiating hole for radiating is formed in the side wall of the case body, the electric device inside the looped netowrk case heats during operation, and air in the looped netowrk case can exchange with outside air through the radiating hole, so that heat in the looped netowrk case is discharged out of the looped netowrk case, the temperature in the looped netowrk case is reduced, and the normal operation of the electric device in the looped netowrk case is ensured.

For the related art, the ring main unit is usually outdoor, when raining, the humidity in the environment is high, a large number of tiny water drops are contained in the air, the water drops easily float into the ring main unit through the heat dissipation holes, and the water drops entering the ring main unit easily influence the normal operation of electric devices in the ring main unit.

Disclosure of Invention

In order to ensure the normal operation of electric devices in the ring main unit, the application provides a combined ring main unit.

The application provides a combination formula looped netowrk case adopts following technical scheme:

the utility model provides a combination formula looped netowrk case, includes box, its characterized in that: still include fan, air-supply line and filter box, the fan the air-supply line with the filter box is located outside the box, inlet port and venthole have been seted up on the box, the gas outlet of fan with the inlet port of box is connected, the air inlet of fan with the one end of air-supply line links to each other, the other end of air-supply line with the filter box communicates with each other, be equipped with the filter block that is used for absorbing moisture in the filter box, the air intake has been seted up on the filter box.

By adopting the technical scheme, after the filter box is mounted on the air inlet pipe, the fan can generate negative pressure in the air inlet pipe after being started, and the filter box is driven to suck outside air into the filter box; when raining, outside water-containing air is sucked into the filter box through the air inlet, moisture in the air is sucked into the filter block, drying of the air is achieved, the air dried in the filter box sequentially enters the box body through the air inlet pipe and the fan, the air in the box body is discharged through the air outlet hole, water entering the ring main box is reduced, and the normal operation of electric devices in the ring main box is integrally guaranteed.

Optionally, be connected with the mounting panel on the lateral wall of box, fixedly be equipped with the slide rail on the mounting panel, the air-supply line keep away from the opening orientation of the one end of fan with the length direction of slide rail is unanimous, filter box slidable mounting is in on the slide rail, combination formula looped netowrk case is still including being used for right filter box's slip is locked.

Through adopting above-mentioned technical scheme, the direction that is close to the air-supply line along the slide rail slides the filter cassette, can make the tip looks butt of filter cassette and air-supply line to make the air-supply line in air outlet department and filter the airtight intercommunication of box department, then control the locking piece and lock the slip of filter cassette, can comparatively conveniently realize the connection between filter cassette and the air-supply line, thereby realized the convenient installation of filter cassette.

Optionally, the air outlet has been seted up to one side that the filter cassette is close to the air-supply line, the filter cassette in air outlet department is fixed to be equipped with the sealing ring, the sealing ring keep away from one side of filter cassette with the air-supply line is towards the one end looks butt of filter cassette.

Through adopting above-mentioned technical scheme, after sealing ring and the air-supply line looks butt, the sealing ring can strengthen the leakproofness of being connected between sealing ring and the filtration box, has reduced the gas leakage between air-supply line and the filtration box.

Optionally, a fixing seat is further arranged on the mounting plate, the fixing seat is located on one side of the sliding rail, the locking piece is a hasp, a buckle body of the hasp is fixedly connected to the filter box, and a hook of the hasp is fixedly connected to the fixing seat.

By adopting the technical scheme, an operator can stir the buckle body to buckle the buckle body and the hook of the buckle, so that the sliding locking of the filter box is realized conveniently; after the button body is pulled open, the connection between the filter box and the box body can be released, so that the filter box can be conveniently taken down, and the filter box can be replaced.

Optionally, the filter box is fixedly provided with a dust filtering net at the air inlet.

Through adopting above-mentioned technical scheme, the dust filter screen can filter the air that enters into in the filter box, reduces the dust and enters into in the filter box.

Optionally, the combined ring main unit further comprises a rain shelter, the rain shelter and the mounting plate are located on the same outer side wall of the box body, the rain shelter and the mounting plate are spaced from each other, and the filter box is located between the rain shelter and the mounting plate.

Through adopting above-mentioned technical scheme, during raining, the canopy can shelter from the upside of filter box to filter box, has reduced in the rainwater falls the filter box, has ensured the drying of filter box.

Optionally, the canopy includes first flashing and second flashing, a side of first flashing with the lateral wall of box links to each other, the second flashing is located first flashing is kept away from one side of box, just the second flashing with first flashing slides and links to each other, the second flashing is kept away from one side of box is less than the filter box.

Through adopting above-mentioned technical scheme, keep away from the direction slip second flashing of box, second flashing and first flashing mutually support, can keep away from the one side of box to the filter box in the upside of filter box and hide the rain, reduced the rainwater and fallen on the filter box, ensured the drying of filter box.

Optionally, a fixing ring is fixedly arranged on one side, far away from the box body, of the second flashing, and a fixing hook used for being detachably connected with the fixing ring is fixedly connected to the first flashing.

Through adopting above-mentioned technical scheme, the direction slip second flashing towards the box to hang the solid fixed ring on the fixed hook, can reduce the shielding of second flashing to the filter cartridge, be convenient for the operator and change the filter cartridge.

Optionally, a fixing ring is fixedly arranged on one side, far away from the box body, of the second flashing, and a fixing hook used for being detachably connected with the fixing ring is fixedly connected to the first flashing.

Through adopting above-mentioned technical scheme, spout and slide rail mutually support, can reduce the slippage of filter cartridge from the slide rail, strengthened the gliding stability of filter cartridge on the slide rail.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after the filter box is mounted on the box body, the fan is started, air outside the box body sequentially passes through the filter box, the air inlet pipe and the fan and then enters the box body, the filter box can dry the air entering the box body, moisture in the air entering the box body is reduced, and normal operation of electric devices in the box body is ensured;

2. the filter box is slid along the length direction of the sliding rail, so that the filter box is communicated with the air inlet pipe through the air outlet, and the sealing ring can improve the sealing effect of the connection between the air inlet pipe and the filter box;

3. the first flashing and the second flashing cooperate with each other to shield the filter box at the upper side of the filter box and at one side far away from the box body, so that rainwater falling onto the filter box is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a schematic view showing a partial structure of the connection of the filter screen box and the air inlet pipe;

fig. 3 is a schematic view showing a partial structure of the screen box installation.

Reference numerals: 1. a case; 11. a door; 12. an air inlet hole; 13. an air outlet hole; 14. a mounting plate; 141. a slide rail; 142. a fixing seat; 2. a louver fan; 3. a blower; 4. an air inlet pipe; 5. a filter box; 51. an air inlet; 52. a chute; 53. an air outlet; 54. a filter block; 55. a dust filtering net; 6. a locking member; 7. a seal ring; 8. rain shelter; 81. a first flashing; 811. a mounting groove; 812. a fixed hook; 82. a second flashing; 821. and a fixing ring.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a combined ring main unit. Referring to fig. 1 and 2, the combined ring main unit comprises a rectangular box body 1 which is horizontally placed, a front side of the box body 1 is opened and hinged with a box door 11, an operator can conveniently check or replace electric devices in the box door 11 through the box door 11, an air inlet hole 12 and an air outlet hole 13 are formed in two opposite side walls of the box body 1, and a shutter fan 2 is arranged in the air outlet hole 13 of the box body 1; one side of the box body 1 is provided with a mounting plate 14, the mounting plate 14 is vertically welded on the side wall of the box body 1, a fan 3 is arranged on the upper side of the mounting plate 14, the fan 3 is connected with a pre-air inlet hole 12 of the box body 1, the fan 3 is also connected with a cylindrical air inlet pipe 4, one end of the air inlet pipe 4 is detachably provided with a filter box 5 for absorbing water, and the filter box 5 is provided with an air inlet 51; after installing filter box 5 on air-supply line 4, start fan 3, fan 3 can produce the negative pressure in air-supply line 4 and filter box 5, during the rain, the moist air in the box 1 outside is drawn into filter box 5 and air-supply line 4 in proper order after air intake 51, filter box 5 can detach the moisture in the air, dry air is sent into box 1 by fan 3, the air in the box 1 is discharged by venthole 13, the external air in the box 1 is directly entered into by venthole 13 to the reduction, make the box 1 in keep dry, the normal work of the electric device in the looped netowrk case has been ensured.

When the fan 3 fails, the air in the box body 1 can be exchanged with the air outside the box body 1 through the air outlet 13, and when the fan rains, the shutter fan 2 can block the external rainwater splashed into the box body 1, so that the drying in the box body 1 is favorably maintained, and the normal operation of the electric devices in the box body 1 is ensured.

The upper side of the mounting plate 14 is welded with a slide rail 141, the length direction of the slide rail 141 is parallel to the air inlet pipe 4, the width of the slide rail 141 gradually decreases from bottom to top, the lower side of the filter box 5 is provided with a slide groove 52 which is in sliding fit with the slide rail 141, and the slide groove 52 is a dovetail groove; the operator can slide-mount the filter cartridge 5 from one end of the slide rail 141 onto the mounting plate 14, a locking piece 6 for locking the sliding of the filter cartridge 5 is provided on the upper side of the mounting plate 14, and an air outlet 53 for aligning the air inlet pipe 4 is provided on the side of the filter cartridge 5 facing the air inlet pipe 4.

Referring to fig. 2 and 3, the filter box 5 is provided with a recess near the air outlet 53, and the filter box 5 is adhered with a sealing ring 7 at the groove, the sealing ring 7 may be a rubber ring, and the filter box 5 slides towards the air inlet pipe 4, so that the sealing ring 7 is abutted against the end of the air inlet pipe 4, and the sealing ring 7 reduces air leakage between the air inlet pipe 4 and the filter box 5, thereby realizing sealing connection between the air inlet pipe 4 and the filter box 5.

The upper side of the mounting plate 14 is provided with a fixed seat 142, the locking piece 6 is a hasp, the buckling body of the hasp is fixedly arranged on the filter box 5, the hook of the hasp is fixedly arranged on the fixed seat 142, after the sliding mounting plate 14 is abutted against the air inlet pipe 4, the buckling body of the hasp is stirred onto the hook of the hasp, and then the filter box 5 can be firmly arranged on the mounting plate 14; if the filter box 5 needs to be replaced, the buckle body of the buckle is pulled down from the hook of the buckle, and then the filter box 5 is slid out along the length direction of the slide rail 141, so that an operator can conveniently take down the filter box 5 from the air inlet pipe 4, and a new filter box 5 can be conveniently assembled.

Filter block 54 for absorbing moisture is installed in filter box 5, illustratively, filter block 54 may be silica gel particles, cotton balls (not shown in the figure) for preventing filter block 54 from entering into air inlet pipe 4 are plugged between air inlet pipe 4 and filter box 5, silica gel can be repeatedly dried and used, cost is reduced, filter box 5 is welded with dust filter net 55 on the side wall of air inlet 51, and dust filter net 55 can filter air entering into filter box 5, and dust particles are reduced from entering into filter box 5.

Referring to fig. 1 and 2, a canopy 8 is welded to one side of the casing 1, the canopy 8 includes a first flashing 81 and a second flashing 82, the first flashing 81 is welded to one side of the casing 1 facing the filter box 5, and one side of the first flashing 81 away from the casing 1 is inclined downward, and the first flashing 81 is located directly above the filter box 5 and the fan 3, a mounting groove 811 is formed in the lower side of the first flashing 81 in an inclined direction of the first flashing 81, and the second flashing 82 is slidably mounted in the mounting groove 811; the second flashing 82 is far away from the box 1, so that one side, far away from the box 1, of the second flashing 82 is lower than the filter box 5 and the fan 3, the first flashing 81 and the second flashing 82 are matched, and the filter box 5 can be shielded from rain from the lower side of the filter box 5 and one side, far away from the box 1, of the filter box 5, so that rainwater is reduced from falling onto the filter box 5.

The side of the second flashing 82 away from the casing 1 is bound with a fixing ring 821, and the side of the first flashing 81 away from the casing 1 is welded with a fixing hook 812. When the filter box 5 needs to be replaced, the second flashing 82 can slide along the direction close to the box 1, and then after the fixing ring 821 is hung on the fixing hook 812, the shielding of the second flashing 82 to the filter box 5 can be reduced, so that the operator can operate conveniently.

The implementation principle of the combined ring main unit in the embodiment of the application is as follows: after the filter box 5 is mounted on the box body 1, the fan 3 is started, air outside the box body 1 sequentially passes through the filter box 5, the air inlet pipe 4 and the fan 3 and then enters the box body 1, the filter box 5 can dry the air entering the box body 1, the moisture in the air entering the box body 1 is reduced, and the normal operation of electric devices in the box body 1 is ensured; the first flashing 81 and the second flashing 82 cooperate with each other to shield the filter cartridge 5 from the upper side of the filter cartridge 5 and the side far from the casing 1, thereby reducing the rainwater falling onto the filter cartridge 5; the normal operation of the electric devices in the ring main unit is ensured as a whole.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "first," "second," "third," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. The terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, is intended to mean that elements or items that are present in front of "comprising" or "comprising" are included in the word "comprising" or "comprising", and equivalents thereof, without excluding other elements or items. "upper", "lower", "left", "right", etc. are used merely to denote relative positional relationships, which may also change accordingly when the absolute position of the object to be described changes.

The foregoing are all optional embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (9)

1. The utility model provides a combination formula looped netowrk case, includes box (1), its characterized in that: still include fan (3), air-supply line (4) and filter box (5), fan (3) air-supply line (4) with filter box (5) all are located outside box (1), inlet port (12) and venthole (13) have been seted up on box (1), the gas outlet of fan (3) with inlet port (12) of box (1) are connected, the air inlet of fan (3) with the one end of air-supply line (4) links to each other, the other end of air-supply line (4) with filter box (5) communicate with each other, be equipped with filter block (54) that are used for absorbing moisture in filter box (5), air intake (51) have been seted up on filter box (5).

2. The modular ring main unit according to claim 1, wherein: the utility model discloses a filter box, including box (1), box (5), box, filter box (5), mounting panel (14) are connected with on the lateral wall of box (1), fixed slide rail (141) that are equipped with on mounting panel (14), air-supply line (4) keep away from the opening orientation of the one end of fan (3) with the length direction of slide rail (141) is unanimous, filter box (5) slidable mounting is in on slide rail (141), combination formula looped netowrk case is still including be used for right filter box (5) slip carries out locking piece (6).

3. The modular ring main unit according to claim 2, wherein: an air outlet (53) is formed in one side, close to the air inlet pipe (4), of the filter box (5), a sealing ring (7) is fixedly arranged at the air outlet (53), and one side, far away from the filter box (5), of the sealing ring (7) is abutted to one end, facing the filter box (5), of the air inlet pipe (4).

4. The modular ring main unit according to claim 2, wherein: the filter is characterized in that a fixing seat (142) is further arranged on the mounting plate (14), the fixing seat (142) is located on one side of the sliding rail (141), the locking piece (6) is a buckle, the buckle body of the buckle is fixedly connected to the filter box (5), and the hook of the buckle is fixedly connected to the fixing seat (142).

5. The modular ring main unit according to claim 1, wherein: the filter box (5) is fixedly provided with a dust filtering net (55) at the air inlet (51).

6. The modular ring main unit according to claim 2, wherein: the combined ring main unit further comprises a rain shelter (8), the rain shelter (8) and the mounting plate (14) are located on the same outer side wall of the box body (1), the rain shelter (8) and the mounting plate (14) are spaced from each other, and the filter box (5) is located between the rain shelter (8) and the mounting plate (14).

7. The modular ring main unit as claimed in claim 6, wherein: the rain shelter (8) comprises a first rain shielding plate (81) and a second rain shielding plate (82), one side edge of the first rain shielding plate (81) is connected with the outer side wall of the box body (1), the second rain shielding plate (82) is located at one side, far away from the box body (1), of the first rain shielding plate (81), the second rain shielding plate (82) is connected with the first rain shielding plate (81) in a sliding mode, and one side, far away from the box body (1), of the second rain shielding plate (82) is lower than the filter box (5).

8. The modular ring main unit as claimed in claim 7, wherein: a fixed ring (821) is fixedly arranged on one side, far away from the box body (1), of the second flashing (82), and a fixed hook (812) used for being detachably connected with the fixed ring (821) is fixedly connected to the first flashing (81).

9. The modular ring main unit according to claim 2, wherein: the cross section of the sliding rail (141) is trapezoid, the upper bottom of the trapezoid is connected with the mounting plate (14), and the filtering box (5) is provided with a sliding groove (52) which is matched with the sliding rail (141) in a sliding way.