CN212210071U - A switchgear for single-phase grounding protection of 10kV system - Google Patents

Abstract

The utility model discloses a switch cabinet for single-phase grounding protection of a 10kV system in the technical field of switch cabinets. The bottom of the top cover is connected to the air duct located at the top of the cabinet cavity, the bottom of the air duct is connected to the first exhaust hood, the top of the top cover is connected to the purification device, and the top of the purification device is provided with a collector. The air hood is provided with exhaust fans on both sides of the bottom of the cabinet cavity, and a second air exhaust hood is arranged at the air outlet of the exhaust fan. The utility model has the functions of filtering dust and dehumidifying the outside air used for heat dissipation and circulation, ensuring The air entering the inner cavity of the cabinet is clean and dry, which reduces the impact on the electrical equipment in the cabinet, reduces the maintenance frequency, and improves the service life of the switch cabinet.

Description

A switchgear for single-phase grounding protection of 10kV system

technical field

The utility model relates to the technical field of switch cabinets, in particular to a switch cabinet used for single-phase grounding protection of a 10kV system.

Background technique

The switch cabinet is a kind of electrical equipment. The outside line of the switch cabinet first enters the main control switch in the cabinet, and then enters the sub-control switch. Each branch is set according to its needs. Such as instrumentation, automatic control, motor magnetic switch, various AC contactors, etc., and some also have high-voltage room and low-voltage room switch cabinets, high-voltage busbars, such as power plants, etc. load shedding.

There are many electrical devices installed in the switch cabinet. Usually, the switch cabinet is provided with cooling vents for heat dissipation. Most of the cooling vents on the existing switch cabinet are open, so that the dust or doped moisture in the outside air will also be affected by the heat dissipation. Air circulation enters the inner cavity of the cabinet, thus affecting the electrical equipment. For this reason, we propose a switchgear for single-phase grounding protection of 10kV systems.

Utility model content

The purpose of the present invention is to provide a switch cabinet for single-phase grounding protection of 10kV system, so as to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a switch cabinet for single-phase grounding protection of 10kV system, comprising a cabinet body, a top cover is arranged on the top of the cabinet body, and a heat dissipation device is arranged in the inner cavity of the top cover a fan, and the bottom of the top cover is connected to the air duct located at the top of the cabinet cavity, the bottom of the air duct is connected to the first exhaust hood, the top of the top cover is connected to the purification device, and the top of the purification device is connected An air collecting hood is provided, an exhaust fan is arranged on both sides of the bottom of the inner cavity of the cabinet, and a second air exhaust hood is arranged at the air outlet of the exhaust fan.

Further, the purification device includes a casing connected to the top of the top cover, the inner cavity of the casing is provided with an annular frame, the inner cavity of the annular frame is provided with filter screens at equal intervals, and the outer periphery of the annular frame is provided with The air guide channel is provided with a dehumidification mechanism at the bottom of the inner cavity of the air guide channel, and a limiting platform is arranged in the inner cavity of the air guide channel.

Further, the dehumidifying mechanism includes a cylinder body, the inner cavity of the cylinder body is provided with a water-absorbing cotton, a desiccant bag is arranged under the water-absorbing cotton, and air guide holes are evenly opened at the upper and lower ends of the cylinder body.

Further, the filter screens are arranged at equal intervals on the outer wall of the fixed rod, the fixed rod is connected with the driving motor through a rotating shaft, and the annular frame is evenly provided with air guide openings connected with the air guide channel.

Further, both ends of the casing are arranged in communication with the air collecting hood and the top hood, and the side walls of the casing are hinged with side doors, which correspond to the positions of the air guide passages when the side doors are closed.

Further, the top of the cabinet is provided with an installation opening, and the air outlet of the second air exhaust hood is provided with a dust filter.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model has a simple structure and a reasonable design, through the arrangement of the cooling fan and the exhaust fan, the air in the inner cavity of the cabinet is circulated, the cooling efficiency is improved, and a purifying device is provided. , including a filter screen to filter dust in the air and a dehumidification mechanism to filter water vapor in the air, so that the air entering the cabinet is clean and dry, and will not affect the electrical equipment in the cabinet, thereby improving the operation of the electrical equipment in the cabinet. Safety and service life, reduced maintenance frequency, and good use effect.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of the purification device of the present utility model;

FIG. 3 is a schematic diagram of the installation structure of the filter screen of the present invention.

In the figure: 1. Cabinet body; 2. Top cover; 3. Cooling fan; 4. Purification device; 41, Shell; 42, Ring frame; 421, Air guide; Drive motor; 45, air guide channel; 46, dehumidification mechanism; 461, cylinder body; 462, absorbent cotton; 463, desiccant bag; 47, limit table; 48, side door; 5, air collecting hood; 6, air guide 7. The first exhaust hood; 8. The second exhaust hood; 9. The exhaust fan; 10. The dust filter.

The accompanying drawings are for illustrative purposes only, and should not be construed as limitations on this patent; in order to better illustrate the present embodiment, some parts of the accompanying drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art It is understandable to the artisan that certain well-known structures and their descriptions may be omitted from the drawings.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The utility model provides a switch cabinet for single-phase grounding protection of a 10kV system, which has the functions of filtering dust and dehumidifying the outside air used for heat dissipation and circulation, ensuring that the air entering the inner cavity of the cabinet is clean and dry, and reducing the impact on the The influence of the electrical equipment in the cabinet reduces the maintenance frequency and improves the service life of the switch cabinet;

Please refer to FIG. 1 , a switchgear for single-phase grounding protection of 10kV system, including a cabinet 1, a top cover 2 is arranged on the top of the cabinet 1, a cooling fan 3 is arranged in the inner cavity of the top cover 2, and the bottom of the top cover 2 is arranged It is connected with the air duct 6 arranged at the top of the inner cavity of the cabinet 1, and the bottom of the air duct 6 is connected with the first exhaust hood 7. The setting of the first exhaust hood 7 can evenly transport the circulating air into the cabinet 1. It cooperates with the exhaust fan 9 arranged at the bottom of the inner cavity of the cabinet body 1, so that the air in the inner cavity of the cabinet body 1 can be circulated, and the heat dissipation efficiency is improved. The outside air in the inner cavity is purified, so that the air entering the inner cavity of the cabinet body 1 is clean and dry, reducing the impact on the electrical equipment in the cabinet body 1. The top of the purification device 4 is provided with an air collecting hood 5, and the inner cavity of the cabinet body 1 is provided with a collecting hood 5. Exhaust fans 9 are arranged on both sides of the bottom, and a second exhaust hood 8 is arranged at the air outlet of the exhaust fan 9 .

Please refer to FIG. 2 , the purification device 4 includes a casing 41 connected to the top of the top cover 2 , an annular frame 42 is arranged in the inner cavity of the casing 41 , and filter screens 43 are arranged in the inner cavity of the annular frame 42 at equal intervals. To filter the dust in the air, and drive the ring frame 42 to rotate through the drive motor 44, which improves the filtering efficiency and also accelerates the air circulation, and the ring frame 42 is provided with an air guide channel 45 on the periphery, and the filtered air is filtered. The action of the cooling fan 3 enters into the air guide channel 45 and passes through the dehumidification mechanism 46. A dehumidification mechanism 46 is arranged at the bottom of the inner cavity of the air guide channel 45, and a limit table 47 is arranged in the inner cavity of the air guide channel 45, and the dehumidification mechanism 46 is placed in the limit. on the platform 47 , and the cylinder 461 in the dehumidification mechanism 46 is adapted to the air guide channel 45 .

Please refer to FIG. 2 , the dehumidifying mechanism 46 includes a cylinder body 461, and the inner cavity of the cylinder body 461 is provided with a water-absorbing cotton 462 for filtering out large particles of water vapor in the air, and a desiccant pack 463 is arranged under the water-absorbing cotton 462 to dry the air. , so that the air entering the inner cavity of the cabinet body 1 is clean and dry, and the upper and lower ends of the cylinder body 461 are evenly provided with air guide holes for air circulation.

Please refer to FIG. 3 , the filters 43 are equally spaced on the outer wall of the fixing rod 431 . The fixing rod 431 is connected to the driving motor 44 through a rotating shaft.

Both ends of the casing 41 are communicated with the air collecting hood 5 and the top hood 2, and a side door 48 is hinged on the side wall of the casing 41. 48 is engaged with the housing 41, and the side door 48 corresponds to the position of the air guide channel 45 when the side door 48 is closed.

The top of the cabinet 1 is provided with an installation opening, and the air outlet of the second air exhaust hood 8 is provided with a dust filter 10 .

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description in the specification and the drawings, and the specific connection method of each part adopts the mature bolts, rivets, welding in the prior art. and other conventional means, the machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection manner in the prior art, which will not be described in detail here.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a be used for 10kV system single-phase ground protection to use cubical switchboard, includes the cabinet body (1), its characterized in that: the improved cabinet is characterized in that a top cover (2) is arranged at the top of the cabinet body (1), a cooling fan (3) is arranged in the inner cavity of the top cover (2), the bottom of the top cover (2) is connected with an air guide pipe (6) arranged at the top of the inner cavity of the cabinet body (1), the bottom of the air guide pipe (6) is connected with a first exhaust hood (7), the top of the top cover (2) is connected with a purifying device (4), an air collecting hood (5) is arranged at the top of the purifying device (4), exhaust fans (9) are arranged on two sides of the bottom of the inner cavity of the cabinet body (1), and a second exhaust hood (8) is arranged at the air outlet of each.

2. The switch cabinet for single-phase ground protection of a 10kV system according to claim 1, characterized in that: purifier (4) include with casing (41) that overhead guard (2) top is connected, casing (41) inner chamber is provided with annular frame (42), annular frame (42) inner chamber equidistant is provided with filter screen (43), just wind-guiding passageway (45) have been seted up to annular frame (42) periphery, wind-guiding passageway (45) inner chamber bottom is provided with dehumidification mechanism (46), just wind-guiding passageway (45) inner chamber is provided with spacing platform (47).

3. The switch cabinet for single-phase ground protection of a 10kV system according to claim 2, characterized in that: the dehumidification mechanism (46) comprises a cylinder body (461), water absorption cotton (462) is arranged in the inner cavity of the cylinder body (461), a drying agent bag (463) is arranged below the water absorption cotton (462), and wind guide holes are uniformly formed in the upper end and the lower end of the cylinder body (461).

4. The switch cabinet for single-phase ground protection of a 10kV system according to claim 2, characterized in that: the filter screen (43) is arranged on the outer wall of the fixing rod (431) at equal intervals, the fixing rod (431) is connected with the driving motor (44) through a rotating shaft, and the annular frame (42) is uniformly provided with air guide openings (421) connected with the air guide channel (45).

5. The switch cabinet for single-phase ground protection of a 10kV system according to claim 2, characterized in that: casing (41) both ends set up with wind-collecting cover (5) and overhead guard (2) intercommunication, just casing (41) lateral wall articulates there is side door (48), correspond with the position of wind-guiding passageway (45) when side door (48) are closed.

6. The switch cabinet for single-phase ground protection of a 10kV system according to claim 1, characterized in that: the top of the cabinet body (1) is provided with a mounting opening, and an air outlet of the second exhaust hood (8) is provided with a dust filtering net (10).

Images