Low-voltage cabinet capable of automatically removing dust

Abstract

The utility model discloses a low-voltage cabinet capable of automatically removing dust. The low-voltage cabinet comprises a cabinet body, an air inlet filter element, an air inlet fan, a fan cover and an air exhaust device, the cabinet body is provided with an equipment cavity and an air inducing cavity; air inducing through holes are formed in the two sides of the air inducing cavity; an air filtering bin is arranged in the air inducing through hole; the air inlet filter element is arranged in the air filtering bin; an air filtering bin door is arranged in front of the air filtering bin; an air inducing fan fixing part is arranged in the middle in the air inducing cavity; the air inlet fan is fixed at the air inducing fan fixing part; the fan cover covers the air inlet fan; a fan cover air outlet is formed in the upper end of the fan cover; the air inlet fan discharges air towards the air outlet of the fan cover; the top of the cabinet body is provided with an air outlet. The exhaust device is arranged at the exhaust outlet; the air inlet filter element filters air entering the equipment cavity through the air inlet fan. The air exhaust device exhausts heat in the equipment chamber and prevents dust from entering the equipment chamber; according to the low-voltage cabinet, electric energy distribution equipment in the cabinet body can be prevented from being damaged by dust and high temperature; stable power supply is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of low-voltage distribution cabinets, and particularly relates to a low-voltage cabinet capable of automatically removing dust. Background Art

[0002] A low-voltage cabinet, also known as a low-voltage distribution cabinet, is a device used to distribute, protect, and control electric energy in a low-voltage power system. Such electrical equipment has a large amount of electric charge, which can cause the equipment to electrostatically adsorb dust; the accumulation of a large amount of dust on the surface of components can cause local failures; at this time, workers need to often remove dust from the low-voltage cabinet, and there may be mistakes during the cleaning process, resulting in damage to the low-voltage cabinet capable of automatically removing dust. Summary of the Invention

[0003] The purpose of the present invention is to solve the above problems, and thus provide

[0004] A low-voltage cabinet capable of automatically removing dust, which includes: a cabinet body, an air inlet filter element, an air inlet fan, a fan cover, and an exhaust device; cabinet feet are provided at the corners of the lower end surface of the cabinet body; the cabinet body is provided with an equipment chamber and an air guiding chamber; the equipment chamber and the air guiding chamber are separated by a partition; air guiding through holes are provided on both sides of the air guiding chamber; filter air chambers are provided in the air guiding through holes; the air inlet filter element is arranged in the filter air chamber; a filter air chamber door is provided in front of the filter air chamber; an air guiding fan fixing part is provided in the middle of the air guiding chamber; the air inlet fan is fixed at the air guiding fan fixing part; the fan cover is buckled on the air inlet fan; an air outlet of the fan cover is provided at the upper end of the fan cover; the air inlet fan blows air towards the air outlet of the fan cover; an exhaust port is provided at the top of the cabinet body; the exhaust device is arranged at the exhaust port; the air inlet filter element filters the air entering the equipment chamber through the air inlet fan; the exhaust device discharges the heat in the equipment chamber and prevents dust from entering.

[0005] The arc-shaped air guiding surfaces on both sides of the fan cover correspond to the air guiding through holes on both sides; the diameter of the lower port of the fan cover is larger than the diameter of the air outlet of the fan cover.

[0006] The air inlet filter element is a three-layer PP filter cotton core with different filtering pore diameters.

[0007] The filtering pore diameters of the three-layer PP filter cotton core are respectively a filtering layer of 35 PPI, 60 PPI, and 80 PPI along the air inlet path.

[0008] The exhaust device includes: a dust collector housing, a wind guiding vane plate, an exhaust fan, and a dust-proof net; several exhaust holes are provided on one side of the dust collector housing; a dust collector air inlet is provided on the lower end surface of the dust collector housing; the dust collector air inlet corresponds to the exhaust port; the dust collector housing is fixed on the top of the cabinet body by bolts; a plurality of exhaust fans are provided, and the plurality of exhaust fans are arranged side by side in the dust collector housing, and the air outlet direction of the exhaust fans is opposite to the exhaust holes.

[0009] The dust-proof net described above is a PP filter cotton with a filtration pore size of 60 PPI.

[0010] The cabinet also is provided with a storage rack, a circuit breaker, an air switch, and a power meter; the storage rack, the circuit breaker, the air switch, and the power meter are arranged in the equipment chamber.

[0011] The storage rack includes an L-shaped upright rack and a U-shaped steel rail; the L-shaped upright rack is vertically arranged on both side walls inside the cabinet; multiple U-shaped steel rails are horizontally placed, and both ends of the U-shaped steel rail are fixed on the L-shaped upright rack by means of bolt threaded locking connection; there are several circuit breakers and air switches, and the circuit breakers and air switches are respectively fixed on the U-shaped steel rails; the power meter is a voltmeter and an ammeter; there is at least 1 group of voltmeters and ammeters, and the voltmeters and ammeters are fixed on the cabinet door; the voltmeters and ammeters monitor the voltage and current at the outgoing line end of the circuit breaker.

[0012] This technical solution provides a low-voltage cabinet capable of automatic dust removal, including: a cabinet body, an air inlet filter element, an air inlet fan, a fan cover, and an exhaust device; the cabinet body is provided with an equipment chamber and an air guiding chamber; there are air guiding through holes on both sides of the air guiding chamber; a filter air chamber is arranged in the air guiding through hole; the air inlet filter element is arranged in the filter air chamber; a filter air chamber door is arranged in front of the filter air chamber; there is an air guiding fan fixing part in the middle of the air guiding chamber; the air inlet fan is fixed at the air guiding fan fixing part; the fan cover is buckled on the air inlet fan; there is a fan cover air outlet at the upper end of the fan cover; the air inlet fan blows air towards the fan cover air outlet; there is an exhaust port at the top of the cabinet body; the exhaust device is arranged at the exhaust port; the air inlet filter element filters the air entering the equipment chamber through the air inlet fan; the exhaust device discharges the heat in the equipment chamber and prevents dust from entering; this low-voltage cabinet can avoid the damage of the power distribution equipment in the cabinet body caused by dust and high temperature; ensure stable power supply. Description of the Drawings

[0013] Figure 1 is the overall schematic diagram of a low-voltage cabinet capable of automatic dust removal according to the present utility model;

[0014] Figure 2 is the structural schematic diagram of a low-voltage cabinet capable of automatic dust removal according to the present utility model;

[0015] Figure 3 is the partial cross-sectional schematic diagram of a low-voltage cabinet capable of automatic dust removal according to the present utility model;

[0016] Figure 4 is the structural schematic diagram of the heat dissipation and dust removal device of a low-voltage cabinet capable of automatic dust removal according to the present utility model;

[0017] Figure 5 is the partial cross-sectional view of the exhaust dust removal device of a low-voltage cabinet capable of automatic dust removal according to the present utility model;

[0018] In the figure: 1. Cabinet body, 11. Cabinet door, 111. Cabinet body support feet, 112. Air exhaust port, 12. Equipment chamber, 14. Air induction chamber, 141. Air induction through hole, 142. Air filtration bin, 143. Air filtration bin door, 1431. Bin door handle, 144. Air induction fan fixing part, 16. Shelf, 161. L-shaped vertical shelf, 162. U-shaped steel rail, 17. Circuit breaker, 18. Air switch, 19. Power meter, 191. Voltmeter, 192. Ammeter, 2. Inlet air filter element, 3. Inlet air fan, 4. Fan cover, 41. Arc-shaped air guiding surface, 42. Fan cover air outlet, 5. Exhaust device, 51. Dust collector housing, 511. Edge, 512. Bolt through hole, 513. Air exhaust hole, 514. Dust collector air inlet, 52. Air guiding vane plate, 53. Exhaust fan, 54. Dust-proof net. Detailed implementation mode

[0019] Next, in combination with the attached drawings of the technical solution, the technical solution will be described clearly and completely. The described embodiments are only a part of the technical solution, rather than all of the embodiments. Based on this technical solution, all other embodiments obtained by those of ordinary skill in the art without creative work belong to the scope protected by the present utility model. Embodiment

[0020] See Figures 1 to 5 As shown, a low-voltage cabinet capable of automatically removing dust includes: cabinet body 1, inlet air filter element 2, inlet air fan 3, fan cover 4, and exhaust device 5;

[0021] A cabinet door 11 is provided in front of the cabinet body 1, and cabinet body support feet 111 are provided at the corners of the lower end surface of the cabinet body 1; an air exhaust port 112 is provided at the top of the cabinet body 1;

[0022] The cabinet body 1 is provided with an equipment chamber 12 and an air induction chamber 14; the equipment chamber 12 and the air induction chamber 14 are separated by a partition 13;

[0023] Air induction through holes 141 are provided on both sides of the air induction chamber 14; an air filtration bin 142 is provided in the air induction through holes 141; an air filtration bin door 143 is provided in front of the air filtration bin; an air induction fan fixing part 144 is provided in the middle of the air induction chamber 14;

[0024] The inlet air filter element 2 is arranged in the air filtration bin 142; the inlet air filter element 2 is taken out from the air filtration bin 142 for replacement;

[0025] The inlet air filter element 2 is a three-layer PP filter cotton core; the filtering pore diameters of the three-layer PP filter cotton core are respectively filtering layers of 35 PPI, 60 PPI, and 80 PPI along the air inlet path.

[0026] The cabinet body 1 further includes: a shelf 16, a circuit breaker 17, an air switch 18, and an electric power meter 19; the shelf 16, the circuit breaker 17, the air switch 18, and the electric power meter 19 are arranged in the equipment chamber 12;

[0027] The shelf 16 includes: an L-shaped vertical frame 161 and a U-shaped steel rail 162; the L-shaped vertical frame 161 is vertically arranged on both side walls inside the cabinet body 1; a plurality of U-shaped steel rails 162 are horizontally placed, and both ends of the U-shaped steel rail 162 are fixed on the L-shaped vertical frame 161 by means of bolt thread locking connection; a number of circuit breakers 17 and air switches 18 are provided, and the circuit breakers 17 and the air switches 18 are respectively fixed on the U-shaped steel rails 162;

[0028] The power access end (power inlet line) is connected to the inlet end of the circuit breaker; the outlet ends of the circuit breaker are respectively connected to the air switch 18 through cables; the air switch 18 is electrically connected to the terminal equipment or the socket through a cable;

[0029] The electric power meter 19 is a voltmeter 191 and an ammeter 192; at least one set of the voltmeter 191 and the ammeter 192 is provided, and the voltmeter 191 and the ammeter 192 are fixed on the cabinet door 11; the voltmeter 191 and the ammeter 192 monitor the voltage and current at the outlet end of the circuit breaker.

[0030] Both side edges of the fan cover 4 are provided with arc-shaped air guiding surfaces 41, and the upper end of the fan cover 4 is provided with a fan cover air outlet 42; the lower port diameter of the fan cover 4 is larger than the diameter of the fan cover air outlet 42;

[0031] The arc-shaped air guiding surfaces 41 on both sides of the fan cover 4 correspond to the air guiding through holes 141 on both sides;

[0032] Four air inlet fans 3 are provided, and the four air inlet fans 3 are fixed at the air guiding fan fixing part 144; the fan cover 4 is buckled on the air guiding fan fixing part 144; the air inlet fans 3 blow air towards the direction of the fan cover air outlet 42.

[0033] The exhaust device 5 is fixed at the air outlet 112 on the top of the cabinet body 1;

[0034] The exhaust device 5 includes: a dust collector housing 51, a wind guiding vane 52, an exhaust fan 53, and a dustproof net 54;

[0035] A rim 511 is provided below the dust collector housing 51, and a number of bolt through holes 512 are provided on the rim 511; bolts pass through the bolt through holes 512 to fix the exhaust device 5 on the top of the cabinet body 1; a number of exhaust holes 513 are provided on one side of the dust collector housing 51; a dust collector air inlet 514 is provided on the lower end surface of the dust collector housing 51; the dust collector air inlet 514 has the same diameter as the air outlet 112, and the wind guiding vane 52 is fixed at the dust collector air inlet 514;

[0036] A plurality of exhaust fans 53 are provided. The plurality of exhaust fans 53 are arranged in parallel within the dust collector housing 51, and the air outlet direction of the exhaust fans 53 faces the exhaust holes 513; the air guide vane plate 52 is provided with a number of inclined air guide vanes; the air guide vane plate 52 and the exhaust fans 53 drive the air at the air inlet 514 of the dust collector to be discharged outward from the exhaust holes 513.

[0037] The dust-proof net 54 is a PP filter cotton with a filtration pore size of 60 PPI.

Claims

1. A low-voltage cabinet capable of automatic dust removal, comprising: A cabinet (1), an air inlet filter element (2), an air inlet fan (3), a fan cover (4), and an exhaust device (5); the cabinet (1) is characterized in that: a cabinet door (11) is provided in front of the cabinet (1); the cabinet (1) is provided with an equipment chamber (12) and an air induction chamber (14); the equipment chamber (12) and the air induction chamber (14) are separated by a partition (13); air induction holes (141) are provided on both sides of the air induction chamber (14); an air filter chamber (142) is provided in the air induction hole (141); the air inlet filter element (2) is arranged in the air filter chamber (142); an air filter chamber door (143) is provided in front of the air filter chamber; and a fan is provided in the air induction chamber (14). An induced draft fan fixing portion (144) is provided in the middle; the air intake fan (3) is fixed at the induced draft fan fixing portion (144); the fan cover (4) is buckled on the air intake fan (3); a fan cover air outlet (42) is provided at the upper end of the fan cover (4); the air intake fan (3) discharges air in the direction of the fan cover air outlet (42); an air outlet (112) is provided at the top of the cabinet (1); an exhaust device (5) is provided at the exhaust port (112); the air intake filter element (2) filters the air entering the equipment chamber (12) through the air intake fan (3); and the exhaust device (5) discharges heat in the equipment chamber (12) and prevents dust from entering.

2. The low-voltage cabinet capable of automatic dust removal according to claim 1 is characterized in that: The arc-shaped air guide surfaces (41) on both sides of the fan cover (4) correspond to the air guide holes (141) on both sides; the diameter of the lower port of the fan cover (4) is larger than the diameter of the fan cover air outlet (42).

3. The low-voltage cabinet capable of automatic dust removal according to claim 2 is characterized in that: The air inlet filter element (2) is a three-layer PP filter cotton core with different filter apertures.

4. The low-voltage cabinet capable of automatic dust removal according to claim 3 is characterized in that: The filter apertures of the three-layer PP filter cotton core along the air inlet path are 35PPI, 60PPI, and 80PPI filter layers respectively.

5. The low-voltage cabinet capable of automatic dust removal according to claim 4 is characterized in that: The exhaust device (5) comprises: a dust collector housing (51), an air guide blade (52), an exhaust fan (53), and a dust screen (54); a plurality of exhaust holes (513) are provided on one side of the dust collector housing (51); a dust collector air inlet (514) is provided on the lower end surface of the dust collector housing (51); the dust collector air inlet (514) corresponds to the exhaust port (112); the dust collector housing (51) is fixed to the top of the cabinet (1) by bolts; a plurality of exhaust fans (53) are provided, and the plurality of exhaust fans (53) are arranged in parallel in the dust collector housing (51), and the air outlet direction of the exhaust fans (53) is opposite to the exhaust holes (513).

6. The low-voltage cabinet capable of automatic dust removal according to claim 5 is characterized in that: The dustproof net (54) is PP filter cotton, and the filter aperture of the dustproof net (54) is 60PPI.

7. The low-voltage cabinet capable of automatic dust removal according to claim 6 is characterized in that: The cabinet (1) is further provided with a rack (16), a circuit breaker (17), an air switch (18), and an electric meter (19); the circuit breaker (17) and the air switch (18) are fixed in the equipment chamber (12) via the rack (16); and the electric meter (19) is arranged on the cabinet door (11).

8. The low-voltage cabinet capable of automatic dust removal according to claim 7 is characterized in that: The rack (16) comprises an L-shaped frame (161) and a U-shaped steel rail (162); the L-shaped frame (161) is vertically arranged on both side walls inside the cabinet (1); a plurality of U-shaped steel rails (162) are horizontally arranged, and both ends of the U-shaped steel rails (162) are fixed to the L-shaped frame (161) by means of bolt thread locking connection; a plurality of circuit breakers (17) and air switches (18) are provided, and the circuit breakers (17) and air switches (18) are respectively fixed to the U-shaped steel rails (162); the power meter (19) is a voltmeter (191) and an ammeter (192); at least one set of the voltmeter (191) and the ammeter (192) is provided, and the voltmeter (191) and the ammeter (192) are fixed to the cabinet door (11); the voltmeter (191) and the ammeter (192) monitor the voltage and current of the outlet terminal of the circuit breaker.

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