CN214124586U - Cubical switchboard for electrical engineering - Google Patents

Abstract

The utility model relates to a cubical switchboard for electrical engineering belongs to the field of electrical engineering technique, and it includes the cabinet body, the internal a plurality of electrical elements that are provided with of cabinet, the cabinet body is kept away from one side on ground and has been seted up the thermovent, the internal radiator fan that is close to of cabinet department is provided with to the internal heat dissipation department, still be provided with the filter house on the cabinet body, the filter house is arranged in filtering the dust etc. that gets into in the internal insect of cabinet or the air through the thermovent. This application has the effect that improves the security of cubical switchboard when placing the use.

Description

Cubical switchboard for electrical engineering

Technical Field

The application relates to the field of electrical engineering technology, in particular to a switch cabinet for electrical engineering.

Background

At present, a switch cabinet is an electrical device in electrical engineering, is mostly used outdoors, and is mainly used for power generation, power distribution, electric energy conversion and the like in electrical engineering. The components in the switch cabinet mainly comprise a circuit breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like, wherein an external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement, so that the switch cabinet is convenient to open, close, control and protect electric equipment.

An authorized bulletin number of CN209184053U discloses a switch cabinet for electrical engineering, which comprises a box body, wherein a left box body door and a right box body door are arranged on two sides of the box body, heat dissipation windows are arranged on the other two side surfaces of the box body, a device bottom plate is arranged at the bottom of the box body, and the device bottom plate is connected with the box body bottom plate through at least four groups of damping devices; a heat dissipation port is formed in the top plate of the box body, a heat dissipation fan is arranged at the heat dissipation port, a rain cover is arranged above the box body, and the rain cover is fixed with the top plate of the box body through a supporting plate; this cubical switchboard for electrical engineering through at inside baffle, baffle locating lever, baffle connecting rod and the bracing piece that sets up of heat dissipation window, makes the device dispel the heat summer or weather when hot to it is inside to avoid the rainwater to get into the box through the heat dissipation window through setting up the rain-proof mechanism that a plurality of baffles are constituteed as shown in the figure.

In view of the above-mentioned related technologies, the inventor believes that, since the switch cabinet is often placed outdoors, insects and dust in the outside air easily enter the switch cabinet through the heat dissipation opening, which affects the normal operation of the electrical components in the switch cabinet and reduces the safety of the switch cabinet when being placed for use.

SUMMERY OF THE UTILITY MODEL

In order to improve the security of cubical switchboard when placing the use, this application provides a cubical switchboard for electrical engineering.

The application provides a cubical switchboard for electrical engineering adopts following technical scheme:

the utility model provides a cubical switchboard for electrical engineering, includes the cabinet body, the internal a plurality of electrical components that are provided with of cabinet, the thermovent has been seted up to the one side that the cabinet body kept away from ground, the internal radiator fan that is close to of cabinet department is provided with, still be provided with the filter house on the cabinet body, the filter house is arranged in filtering the dust etc. that gets into in the internal insect of cabinet or the air through the thermovent.

Through adopting above-mentioned technical scheme, when the cubical switchboard was placed and is used, the radiator fan who utilizes the cubical switchboard top took hot-air out through the thermovent, effectively dispels the heat to the internal portion of cabinet, utilizes the filter house to block the filtration to the internal insect of entering cabinet or the dust in the air etc to having guaranteed the clean of the internal portion of cabinet to a certain extent, improved the security of cubical switchboard when placing the use.

Optionally, the filtering portion includes a filter screen plate, the filter screen plate is arranged at the heat dissipation port on the cabinet body, a first filter screen and a second filter screen are arranged in the filter screen plate, and the second filter screen is arranged on one side, close to the ground, of the first filter screen.

Through adopting above-mentioned technical scheme, utilize the first filter screen on the filter plate to block debris such as the insect that gets into the thermovent, great dust in the air, particulate matter etc. filter, the rethread second filter screen carries out the secondary to the tiny particle dust in the air etc. and filters to further improved and strained the dirt effect, avoided the more ventilation and heat dissipation that influences electrical components of dust in the cubical switchboard to a certain extent, perhaps arouse the short circuit to lead to damaging the emergence of serious accidents such as equipment device.

Optionally, the filter screen plate is detachably arranged on the inner side wall of the heat dissipation port.

By adopting the technical scheme, when the filtering is needed, the filtering screen plate is installed; when the filter screen plate is provided with a large amount of residual impurities such as insects and dust, the filter screen plate is disassembled, and then the impurities on the filter screen plate are cleaned, so that the effect of conveniently cleaning or replacing the filter screen plate is achieved.

Optionally, be provided with the spacing ring on the inner wall of thermovent, filter plate places on the spacing ring, still be provided with in the thermovent and support the piece, support the piece and be used for supporting filter plate tightly on the spacing ring.

By adopting the technical scheme, the filter screen plate is abutted against the limiting ring by the abutting piece, so that the filter screen plate is fixedly installed; when dismantling, the drive supports the piece and no longer supports tightly to filtering the otter board, will filter the otter board and dismantle to be convenient for clear up and maintain filtering the otter board.

Optionally, the abutting piece comprises an abutting block and a spring, the accommodating groove is formed in the side wall of the two sides of the heat dissipation port close to the limiting ring and used for accommodating the abutting block and the spring, one end of the spring is connected with the inner wall of the accommodating groove, the other end of the spring is connected with the abutting block, the spring enables the abutting block to always have the trend of moving outwards of the accommodating groove, the abutting block extends to the extending section outside the accommodating groove and abuts against the filtering screen plate on the limiting ring, the accommodating groove is internally provided with an anti-disengaging piece, and the anti-disengaging piece is used for preventing the abutting block from being completely moved out of the accommodating groove.

By adopting the technical scheme, when the filter screen plate is installed, a worker presses the abutting block into the containing groove, the abutting block is accommodated into the containing groove by utilizing the retractility of the spring, the filter screen plate is placed on the limiting ring and is not pressed tightly against the abutting block, the abutting block moves outwards under the elastic action of the spring, and the extending section of the abutting block extending out of the containing groove abuts against the filter screen plate on the limiting ring, so that the installation of the filter screen plate is completed; when needs clear up, compress tightly to support tight piece and make to support tight piece and accomodate to the holding tank in, take out the filter plate and can clear up or change the filter plate.

Optionally, the anticreep piece includes flange and anticreep strip, the flange sets up the notch department at the holding tank, the anticreep strip sets up the one end that is located the holding tank at the tight piece of support.

Through adopting above-mentioned technical scheme, utilize the flange to the effect that blocks of anticreep strip for support tight piece and be in the holding tank all the time, thereby avoided to a certain extent to support tight piece and received the elastic action of spring and break away from the holding tank after, can't support tight condition emergence to filtering the otter board.

Optionally, a shielding cover is hinged to one side, close to the heat dissipation opening, of the cabinet body, and the shielding cover is used for shielding the heat dissipation opening.

By adopting the technical scheme, when the filter screen plate is taken down for cleaning and maintenance, the shielding cover is utilized to shield the heat dissipation port, so that the situation that dust directly enters the cabinet body through the heat dissipation port is avoided to a certain extent; after cleaning, the shielding cover is opened and then the filter screen plate is installed.

Optionally, a rain cover is arranged on one side of the cabinet body close to the heat dissipation port, and the rain cover is used for completely covering the cabinet body.

Through adopting above-mentioned technical scheme, utilize the rain cover to wholly cover the cubical switchboard completely to avoided the rainwater to pass through the internal condition of thermovent entering cabinet to a certain extent, improved the security of cubical switchboard when placing the use.

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

when the switch cabinet is placed for use, hot air is pumped out through the heat dissipation port by using the heat dissipation fan at the top of the switch cabinet, effective heat dissipation is carried out on the interior of the cabinet body, and insects or dust in the air entering the cabinet body are blocked and filtered by using the filtering part, so that the cleanness of the interior of the cabinet body is ensured to a certain extent, and the safety of the switch cabinet in placing and using is improved;

when the filtration is needed, the filter screen plate is installed; when the filter screen plate has a large amount of residual impurities such as insects, dust and the like, the filter screen plate is disassembled, and then the impurities on the filter screen plate are cleaned, so that the effect of conveniently cleaning or replacing the filter screen plate is achieved;

utilize rain cover to wholly cover the cubical switchboard completely to avoided the rainwater to pass through the internal condition of thermovent entering cabinet to a certain extent, improved the security of cubical switchboard when placing the use.

Drawings

Fig. 1 is a schematic structural diagram of a switchgear for electrical engineering according to an embodiment of the present application.

Fig. 2 is a cross-sectional view of the embodiment of the present application after hiding the rain cover, and is intended to show the heat dissipation fan.

Fig. 3 is a cross-sectional view of an embodiment of the present application after hiding the rain cover, and is intended to show that the filter screen plate is installed in the heat sink.

Fig. 4 is an enlarged view of portion a of fig. 3, intended to show the detachable connection of the filter screen panels.

Fig. 5 is an exploded view of an embodiment of the present application, intended to show a filter screen panel.

Description of reference numerals: 1. a cabinet body; 11. a heat dissipation port; 111. a limiting ring; 12. a heat radiation fan; 13. accommodating grooves; 2. a cabinet door; 3. an electrical component; 4. a filter screen plate; 41. sealing the frame; 411. a first clamping frame; 412. a second clamping frame; 413. a third clamping frame; 4111. a threaded hole; 42. a first filter screen; 43. a second filter screen; 5. a bolt; 51. a nut; 6. an abutting piece; 61. a propping block; 62. a spring; 7. a drop-off prevention member; 71. a flange; 72. anti-drop strips; 8. a shielding cover; 9. a rain cover.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses cubical switchboard for electrical engineering. Referring to fig. 1, a cubical switchboard for electrical engineering includes the cabinet body 1, and the cabinet body 1 is inside cavity and openly open-ended cuboid, and cabinet door 2 is all articulated to be provided with near openly open-ended both sides to the cabinet body 1, installs a plurality of electrical components 3 in the cabinet body 1.

Referring to fig. 1 and 2, a heat dissipation port 11 is formed in the top of the cabinet body 1, a heat dissipation fan 12 is installed in the cabinet body 1 near the heat dissipation port 11 through a bolt, the heat dissipation fan is an air suction fan, and hot air in the switch cabinet is discharged out of the cabinet body 1 through the heat dissipation port 11 by using the air suction fan, so that the temperature inside the cabinet body 1 is reduced, and the heat dissipation effect is improved.

Referring to fig. 3, the cabinet body 1 is further provided with a filtering portion for filtering insects or dust in the air entering the cabinet body 1 through the heat dissipating port 11; wherein, the filter part is a filter screen plate 4, and the filter screen plate 4 is arranged in the heat-radiating opening 11 and is positioned at the top of the heat-radiating fan 12.

Referring to fig. 3 and 4, the filter screen plate 4 is detachably disposed on the inner side wall of the heat dissipation opening 11, and the detachable embodiment is as follows: a limiting ring 111 is welded on the inner side wall of the heat dissipation opening 11, the filter screen plate 4 is placed on the limiting ring 111, a propping piece 6 is further arranged in the heat dissipation opening 11, and the propping piece 6 is used for propping the filter screen plate 4 on the limiting ring 111; the abutting piece 6 comprises an abutting block 61 and a spring 62, accommodating grooves 13 are formed in the side walls of two sides, close to the limiting ring 111, of the heat dissipation port 11, the accommodating grooves 13 are used for accommodating the abutting block 61 and the spring 62, one end of the spring 62 is welded to the inner wall of the accommodating groove 13, the other end of the spring 62 is welded to the abutting block 61, the spring 62 enables the abutting block 61 to always have a trend of moving towards the outside of the accommodating groove 13, the extending section, extending to the outside of the accommodating groove 13, of the abutting block 61 abuts against the filter screen plate 4 on the limiting ring 111, an anti-falling piece 7 is further arranged in the accommodating groove 13, and the anti-falling piece 7 is used for preventing the abutting block 61 from being completely moved out;

wherein, anticreep piece 7 includes flange 71 and anticreep strip 72, flange 71 sets up the notch department at holding tank 13 and is located the both sides that support tight piece 61, flange 71 sets up to the integral type with the inner endwall of holding tank 13, anticreep strip 72 sets up the one end that is located holding tank 13 supporting tight piece 61, and anticreep strip 72 sets up the integral type with supporting tight piece 61, utilize flange 71 to the effect that blocks of anticreep strip 72, make to be in holding tank 13 all the time tight piece 61, thereby avoided to a certain extent supporting tight piece 61 and received spring 62's elastic action and break away from behind holding tank 13, can't support tight condition to filter plate 4.

When the filter screen plate is installed, a worker presses the abutting block 61 into the accommodating groove 13, the abutting block 61 is accommodated into the accommodating groove 13 by utilizing the retractility of the spring 62, the filter screen plate 4 is placed on the limiting ring 111 and is not pressed against the abutting block 61, the abutting block 61 moves outwards the accommodating groove 13 under the elastic action of the spring 62, and the extending section of the abutting block 61 extending to the outside of the accommodating groove 13 abuts against the filter screen plate 4 on the limiting ring 111, so that the installation of the filter screen plate 4 is completed; when needs clear up, compress tightly and support tight piece 61 and make and support tight piece 61 and accomodate to holding tank 13 in, take out filter plate 4 and can clear up or change filter plate 4.

Referring to fig. 5, the filter screen plate 4 includes a sealing frame 41, and a first filter 42 and a second filter 43 in the sealing frame 41; the seal frame 41 is composed of a first clamping frame 411, a second clamping frame 412 and a third clamping frame 413, the frame body edges of the first clamping frame 411, the second clamping frame 412 and the third clamping frame 413 are all provided with threaded holes 4111, the screen plate edges of the first filter screen 42 and the second filter screen 43 are also provided with threaded holes 4111, the first filter screen 42 is installed between the first clamping frame 411 and the second clamping frame 412 by utilizing the matching of bolts 5 and nuts 51, the second filter screen 43 is installed between the second clamping frame 412 and the third clamping frame 413, and when the filter screen plate 4 is placed, the first filter screen 42 is placed above the second filter screen 43;

in this embodiment, a plurality of threaded holes 4111 may be opened, and correspondingly, a plurality of bolts 5 and nuts 51 may also be provided, that is, the first filter 42 and the second filter 43 can be fixed in the sealing frame 41; in this embodiment, the number of the threaded holes 4111 is four, and correspondingly, four bolts 5 and four nuts 51 are also provided, and the bolts 5 are used to penetrate through the threaded holes 4111 and then cooperate with the nuts 51, so that the stability in use is improved; when first filter screen 42 and second filter screen 43 need to be changed owing to the circumstances such as the long-term use leads to debris such as surface dust more or the breakage appears, with bolt 5 and nut 51 separation to the convenience is dismantled first filter screen 42 and second filter screen 43 and is changed.

In this embodiment, the first filter screen 42 can be a primary filter screen, and by utilizing the characteristics of the primary filter screen, such as small resistance, long service life, washability, economy, durability, and the like, the primary filter screen blocks the impurities, such as insects, entering the heat dissipation port 11, rapidly filters larger dust, particulate matters, and the like in the air, and is cleaned by water after being used for a long time, so that the cost is further reduced; the second filter screen 43 can be a high-efficiency filter screen, and the high-efficiency filter screen is convenient for capturing smaller dust and particulate matters in the air, so that secondary filtration is performed, and the dust filtering effect is further improved; first filter screen 42 and second filter screen 43 also can select other filter screens according to actual conditions, can reach double filtration promptly and guarantee cabinet body 1 inside comparatively clean effect can.

Referring to fig. 2 and 3, a shielding cover 8 is hinged to the cabinet body 1 near the heat dissipation opening 11, and the shielding cover 8 is used for shielding the heat dissipation opening 11; when the filter screen plate 4 is taken down for cleaning and maintenance, the shielding cover 8 is used for shielding the heat dissipation port 11, so that the situation that dust directly enters the cabinet body 1 through the heat dissipation port 11 is avoided to a certain extent; after cleaning, the shielding cover 8 is opened and then the filter screen plate 4 is installed.

Referring to fig. 1, the both sides at top all have welded the fixed column on the cabinet body 1, the welding has rain cover 9 on the fixed column, rain cover 9 cover the area and be greater than the top end face area of the cabinet body 1, rain cover 9's top end face slope sets up, utilize rain cover 9 to cover the cabinet body 1 is whole completely, the rainwater falls to ground from the both sides of slope terminal surface by gravity on rain cover 9, thereby certain degree has been avoided the rainwater to pass through the condition that thermovent 11 got into in the cabinet body 1, the security of cubical switchboard when using has been improved.

Because the service environment of cubical switchboard is often comparatively abominable, the cubical switchboard surface rusts easily in some comparatively humid environments, in order to protect the cubical switchboard, cabinet body 1 surface still covers and is equipped with the inoxidizing coating, and the inoxidizing coating can select for use the spray coating such as anti-rust paint or the amino paint that has water-fast dampproofing characteristic to the life of extension cubical switchboard.

The implementation principle of the switch cabinet for the electrical engineering of the embodiment of the application is as follows: when the switch cabinet is placed for use, hot air is discharged through the heat-radiating opening 11 by using the heat-radiating fan 12 at the top of the switch cabinet, so that the inside of the cabinet body 1 is effectively radiated;

utilize first filter screen 42 on the filter screen board 4 to block debris such as insect in getting into thermovent 11, great dust in the air, the particulate matter etc. carry out primary filter, rethread second filter screen 43 carries out secondary filter to the tiny particle dust in the air etc. to further improved and strain the dirt effect, avoided the dust to get into the ventilation cooling who influences electrical element 3 in the cubical switchboard to a certain extent, perhaps arouse the short circuit to lead to damaging the emergence of serious accidents such as equipment device, the security of cubical switchboard when placing the use has been improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (5)

1. The utility model provides a cubical switchboard for electrical engineering which characterized in that: the multifunctional electric heating cabinet comprises a cabinet body (1), wherein a plurality of electric elements (3) are arranged in the cabinet body (1), a heat dissipation opening (11) is formed in one side, far away from the ground, of the cabinet body (1), a heat dissipation fan (12) is arranged in the cabinet body (1) and close to the heat dissipation opening (11), a filtering part is further arranged on the cabinet body (1), and the filtering part is used for filtering insects or dust in air entering the cabinet body (1) through the heat dissipation opening (11); the filtering part comprises a filtering screen plate (4), the filtering screen plate (4) is arranged at a heat dissipation port (11) on the cabinet body (1), a first filtering screen (42) and a second filtering screen (43) are arranged in the filtering screen plate (4), and the second filtering screen (43) is arranged on one side, close to the ground, of the first filtering screen (42);

the filter screen plate (4) is detachably arranged on the inner side wall of the heat dissipation port (11);

be provided with spacing ring (111) on the inner wall of thermovent (11), filter plate (4) are placed on spacing ring (111), still be provided with in thermovent (11) and support piece (6), support piece (6) and be used for supporting tightly filter plate (4) on spacing ring (111).

2. The switch cabinet for electrical engineering according to claim 1, wherein: support tight piece (6) including supporting tight piece (61) and spring (62), holding tank (13) have all been seted up on being close to the both sides lateral wall of spacing ring (111) in thermovent (11), holding tank (13) are used for holding and support tight piece (61) and spring (62), the one end of spring (62) and the inner wall connection of holding tank (13), the other end and support tight piece (61) and be connected, spring (62) make support tight piece (61) have the trend of removing outward to holding tank (13) all the time, support tight piece (61) and extend to the outer extension section of holding tank (13) and support tight filter plate (4) on spacing ring (111), still be provided with anti-disengaging piece (7) in holding tank (13), anti-disengaging piece (7) are used for stopping to support tight piece (61) and move out from accommodating tank (13) completely.

3. The switch cabinet for electrical engineering according to claim 2, wherein: anticreep piece (7) include flange (71) and anticreep strip (72), flange (71) set up the notch department at holding tank (13), anticreep strip (72) set up the one end that is located holding tank (13) at supporting tight piece (61).

4. The switch cabinet for electrical engineering according to claim 1, wherein: one side of the cabinet body (1) close to the heat dissipation opening (11) is hinged to be provided with a shielding cover (8), and the shielding cover (8) is used for shielding the heat dissipation opening (11).

5. The switch cabinet for electrical engineering according to claim 1, wherein: one side that is close to thermovent (11) on the cabinet body (1) is provided with rain cover (9), rain cover (9) are used for covering the cabinet body (1) completely.

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