CN112510540A

CN112510540A - Power distribution cabinet heat dissipation air duct capable of preventing insects and dust

Info

Publication number: CN112510540A
Application number: CN202011295529.2A
Authority: CN
Inventors: 杨文�; 李淑红; 陆方敏
Original assignee: Zhejiang Jiangshan Huaning Electric Appliance Co ltd
Current assignee: Zhejiang Jiangshan Huaning Electric Appliance Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-03-16

Abstract

The invention provides an insect-proof and sand-proof power distribution cabinet heat dissipation air duct, which comprises a cabinet body, wherein the upper ends of the left side and the right side of the cabinet body are fixedly connected with arc boxes, the upper end of the side wall of the cabinet body, which is positioned at the upper end of a gap, is fixedly connected with an upper supporting plate which is concentric with the arc surface of the arc box, the output shaft of a positive and negative motor is fixedly connected with a movable shaft, the lower end of the gap, which is positioned in the arc surface of the arc box, is provided with a groove, bristles which are connected with a sliding plate are fixed in the groove, the center of the outer side of the arc surface of the arc box is horizontally and rotatably connected with an air supply plate, a spring is fixedly connected between the air supply plate and the wall surface of the arc box, the front side and the rear side of the outer side wall surface of the arc box, which correspond to the air, the radiating effect is poor, and insects can still enter, causing the problem of short circuit risk of elements.

Description

Power distribution cabinet heat dissipation air duct capable of preventing insects and dust

Technical Field

The invention relates to the technical field of power distribution cabinets, in particular to a heat dissipation air duct of a power distribution cabinet, which is capable of preventing insects and sand.

Background

The power distribution cabinet (box) is a final-stage device of a power distribution system, is a general name of a motor control center and is used in occasions with dispersed loads and less loops; motor control centers are used in load concentration and loop-rich applications, where they distribute the power from a circuit of a higher level of distribution equipment to nearby loads, which provide protection, monitoring and control of the loads.

The switch board need be provided with radiating structure, prevent that inside electrical components from leading to inside components to damage because of the heat is too high, and be in outdoor switch board and not only need heat radiation structure, need have dustproof function of preventing wind husky and protection against insects in the heat radiation structure, at present generally use and separate the net, and separate the net and blockked up the mesh by dust or sand blown easily, lead to the not good problem of radiating effect, the while worm still can get into inside the switch board, there is the risk that causes the short circuit of inside components after the worm gets into, therefore, the switch board heat dissipation wind channel of a protection against insects and dust prevents is provided and is solved the problem.

Disclosure of Invention

In order to solve the technical problems, the invention provides a power distribution cabinet heat dissipation air duct capable of preventing insects and dust, so as to solve the problems described above.

The invention relates to a purpose and an effect of a heat dissipation air duct of a power distribution cabinet for preventing insects and dust, which are achieved by the following specific technical means: a heat dissipation air duct of a power distribution cabinet for preventing insects and sand dust comprises a cabinet body, arc-shaped boxes are fixedly connected to the upper ends of the left side and the right side of the cabinet body, notches are formed in the upper ends of the arc-shaped boxes, side walls of the cabinet body are located at the upper ends of the notches and fixedly connected with upper supporting plates which are concentric arcs with the arc-shaped boxes, a connecting plate is horizontally and fixedly connected to the lower ends of the notches, side supporting plates which are concentric arcs with the arc-shaped boxes are vertically and fixedly connected to the other sides of the connecting plate, partition plates are vertically and fixedly connected between the bottoms of the connecting plates and the inner bottoms of the arc-shaped boxes, ventilation openings are formed in the walls of the cabinet body corresponding to the partition plates, sliding plates are slidably connected between the upper supporting plates and the arc-shaped surfaces of the arc-shaped boxes, lie in the breach lower extreme in the arc case cambered surface and be equipped with the recess, the recess internal fixation has the brush hair of meeting with the slide, arc case cambered surface outside center horizontal rotation is connected with the air supply board, fixedly connected with spring between air supply board and the arc case wall, and arc case outside wall corresponds the air supply board front and back side and all is equipped with the spout that runs through arc incasement portion, and the arc case outside lies in fixed mounting between the spout and has filter screen three, filter screen three and the inside intercommunication of arc case.

Preferably, go up the backup pad and correspond the setting with the breach between the collateral branch backup pad interval, go up the backup pad upper end and be equipped with a plurality of through-holes.

Preferably, the slide is inside to be the cavity form, and the cambered surface of slide and arc case is concentric arc surface, and slide outside cambered surface lower extreme and slide bottom all are equipped with filter screen one, and the equal fixedly connected with of slide bottom front and back end is the rack of concentric arc with the arc case cambered surface, and the rack runs through the baffle, and the bottom upper end is equipped with filter screen two in the slide, corresponds filter screen two in the slide and is connected with the separation blade in proper order the horizontal rotation.

Preferably, fixedly connected with reset spring between separation blade end and the filter screen two, the separation blade is the arc form, and a filter screen initial position corresponds the setting with breach and recess, and two initial positions of filter screen correspond the setting with last backup pad.

Preferably, the arc-shaped box is internally positioned between the connecting plate and the partition plate and is longitudinally and horizontally connected with a driven shaft in a rotating mode, fan wheels are sequentially and fixedly installed at the upper end of the driven shaft at equal intervals, gears are fixedly connected to the front portion and the rear portion of the upper end of the driven shaft, and the gears and the racks are correspondingly meshed and clamped.

Preferably, the outer sides of the racks are fixedly connected with extrusion rods, the other ends of the extrusion rods extend to the outer sides corresponding to the sliding grooves and are connected with the inner sides of the air supply plates, and the extrusion rods are sleeved at the upper ends of the sliding rods in the sliding grooves.

Preferably, the extrusion rod is rotatably connected with a cleaning roller between the outer sides of the arc-shaped boxes, and the cleaning roller is connected with the three outer sides of the filter screen.

Preferably, the cabinet body is internally provided with a temperature sensor and a controller, the controller is internally provided with a single chip microcomputer, the temperature sensor is electrically connected with the controller, and the controller is electrically connected with the positive and negative motors.

Has the advantages that:

1. in the process that the connecting rod drives the sliding plate to slide, the first filter screen is in reciprocating contact with the bristles in the groove, and therefore blockage by dust is prevented.

2. When external wind speed is big, the separation blade receives the wind-force influence to cover filter screen two, can prevent that sand and dust from getting into the switch board, and when external wind was not big, the separation blade then receives wind-force and reset spring's power formation swing, prevents that the worm from getting into the switch board.

3. The slide drives the in-process of rack and drives the driven shaft and rotate, and the fan wheel up drives the wind of switch board, with higher speed with the heat through filter screen two, filter screen one effluvium, the baffle receives the fan of fan wheel to influence the swing simultaneously, and the difficult filter screen two that climb into of worm gets into the cabinet body, reduces the risk that the worm caused the component short circuit.

4. The rack removes the in-process and drives the stripper bar, and the reciprocating top of stripper bar moves air feed plate, and air feed plate swing makes three places of filter screen can the air inlet, discharges through slide upper end filter screen one and breach department simultaneously for the arc case forms the circulation air current, and the radiating effect is better.

Drawings

FIG. 1 is a schematic view of the overall front view of a partial cross-section of the present invention.

FIG. 2 is a schematic cross-sectional view of the skateboard of the present invention.

FIG. 3 is a schematic view of the structure of the arc-shaped box of the present invention.

FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

FIG. 5 is an enlarged view of the structure at B in FIG. 2 according to the present invention.

FIG. 6 is a schematic top view of the extrusion stem of the present invention.

In fig. 1 to 6, the correspondence between the component names and the reference numbers is:

the cabinet body 1, the ventilation opening 101, the arc-shaped box 2, the notch 201, the partition plate 3, the air supply plate 4, the connecting plate 5, the communication opening 501, the side supporting plate 502, the sliding plate 6, the first filter screen 601, the second filter screen 602, the rack 603, the baffle 604, the connecting rod 7, the extrusion rod 8, the sliding groove 9, the sliding rod 10, the driven shaft 11, the third filter screen 12, the upper supporting plate 13, the through hole 131, the groove 14, the bristles 141 and the cleaning roller 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Example (b):

as shown in figures 1 to 6: a heat dissipation air duct of a power distribution cabinet for preventing insects and sand dust comprises a cabinet body 1, arc-shaped boxes 2 are fixedly connected to the upper ends of the left side and the right side of the cabinet body 1, notches 201 are formed in the upper ends of the arc-shaped boxes 2, the side walls of the cabinet body 1 are positioned at the upper ends of the notches 201 and fixedly connected with upper supporting plates 13 which are concentric arcs with the arc surfaces of the arc-shaped boxes 2, the side walls of the cabinet body 1 are positioned at the lower ends of the notches 201 and horizontally and fixedly connected with connecting plates 5, the other sides of the connecting plates 5 are vertically and fixedly connected with side supporting plates 502 which are concentric arcs with the arc surfaces of the arc-shaped boxes 2, partition plates 3 are vertically and fixedly connected between the bottoms of the connecting plates 5 and the inner bottoms of the arc-shaped boxes 2, air vents 101 are formed in the wall surfaces of the cabinet body 1 corresponding to the partition, positive and negative motor is installed to 1 lateral wall of box, and positive and negative motor output shaft and loose axle fixed connection, it is equipped with recess 14 to lie in breach 201 lower extreme in the 2 cambered surfaces of arc case, the recess 14 internal fixation has the brush hair 141 that meets with

slide

6, 2 cambered surfaces of arc case outside center horizontal rotation is connected with air supply plate 4, fixedly connected with spring between air supply plate 4 and the 2 walls of arc case, 2 outside walls of arc case correspond air supply plate 4 front and back sides and all are equipped with the spout 9 that runs through 2 inside of arc case, 2 outside of arc case lie in fixed mounting between spout 9 have filter screen three 12, filter screen three 12 and 2 inside intercommunications of arc case.

Wherein: go up interval and breach 201 between backup pad 13 and the collateral branch backup pad 5 and correspond the setting, it is equipped with a plurality of through-holes 131 to go up backup pad 13 upper end, the heat in the cabinet body 1 passes through scavenge port 101 and gets into arc case 2, then get into in slide 6 through-hole 131 and two 602 filter screens, a rethread filter screen 601 effluvium, connecting rod 7 receives the drive of positive and negative motor, interval department reciprocating swing between last backup pad 13 and collateral branch backup pad 5, slide 6 is reciprocating sliding then, gliding in-process filter screen 601 then with the recess 14 in brush hair 141 reciprocating contact, thereby prevent that the dust from blockking up filter screen 601.

Wherein: the inside cavity form that is of slide 6, and slide 6 and arc case 2's cambered surface be concentric arc surface, and slide 6 outside cambered surface lower extreme and slide 6 bottoms all are equipped with filter screen 601, and the equal fixedly connected with in slide 6 bottom front and back end is rack 603 for concentric circular arc with arc case 2 cambered surface, and rack 603 runs through baffle 3, and the bottom upper end is equipped with filter screen two 602 in slide 6, and it is connected with separation blade 604 to correspond filter screen two 602 in slide 6 and rotate horizontally in proper order.

Wherein: fixedly connected with reset spring between separation blade 604 end and the second 602 of filter screen, separation blade 604 is the arc form, filter screen 601 initial position corresponds the setting with breach 201 and recess 14, the second 602 initial position of filter screen corresponds the setting with last backup pad 13, when external wind speed is big, separation blade 604 receives the wind force to influence and covers two 602 of filter screen, can prevent that sand and dust from getting into cabinet body 1, when external wind is not big, separation blade 604 then receives wind force and reset spring's power and forms the swing, prevent that the insect from getting into cabinet body 1.

Wherein: arc case 2 is inside to be located vertical horizontal rotation between connecting plate 5 and the baffle 3 and is connected with driven

shaft

11, 11 upper ends of driven shaft equidistance fixed mounting in proper order has the fan wheel, equal fixedly connected with gear around 11 upper ends of driven shaft, gear and rack 603 correspond the meshing joint, when inside heat is too big, positive and negative motor drives connecting rod 7 reciprocating swing, thereby make slide 6 reciprocating swing, rack 603 then drives 11 reciprocating rotation of driven shaft, the rotation in-process drives the fan wheel and rotates, thereby accelerate the inside heat effluvium of switch board, the radiating efficiency is improved, fan wheel pivoted in-process drives the swing of baffle 604, also can prevent the insect and get into cabinet body 1.

Wherein: rack 603 outside equal fixedly connected with squeeze bar 8, the corresponding spout 9 of the 8 other end of squeeze bar meets with 4 inboards of air supply board in the outside, squeeze bar 8 cup joints the slide bar 10 upper end in spout 9, squeeze bar 8 follows rack 603 and removes, thereby air supply board 4 is moved in reciprocal top, make air supply board 4 swing, the wobbling in-process is with external wind to send into arc case 2 through three 12 of filter screen, filter screen 601 of rethread slide 6 is seen off, form the wind circulation, thereby make the radiating effect better.

Wherein: the squeezing rod 8 is located between the outer sides of the arc-shaped boxes 2 and is rotatably connected with the cleaning roller 15, the cleaning roller 15 is connected with the outer side of the third filter screen 12, and the squeezing rod 8 rubs and rolls between the cleaning roller 15 and the third filter screen 12 in the moving process, so that the cleaning effect is achieved, and dust is prevented from blocking the third filter screen 12.

Wherein: the cabinet body 1 internally mounted has temperature sensor and controller, installs the singlechip in the controller, and temperature sensor is connected with the controller electricity, and the controller is connected with positive and negative motor electricity, and temperature sensor induction temperature, the heat is too high time with information transfer for the controller, start positive and negative motor after the controller analysis to make 2 internals functions of arc case dispel the heat.

The working principle is as follows: when the electric heating cabinet normally works, the cabinet body 1 radiates heat to the arc-shaped box 2 through the ventilation port 101, then the heat is radiated into the sliding plate 6 through the through hole 131, the heat is radiated out through the filter screen I601, when the external wind speed is high, the blocking piece 604 is influenced by wind force to cover the filter screen II 602, so that dust and sand can be prevented from entering the cabinet body 1, when the external wind is not high, the blocking piece 604 is swung by the wind force and the force of the reset spring, so that insects can be prevented from entering the cabinet body 1, when the heat in the cabinet body 1 is too high, the temperature sensor senses the temperature, when the heat is too high, information is transmitted to the controller, the controller analyzes the temperature and then starts the positive and negative motor, the positive and negative motor drives the connecting rod 7 to swing in a reciprocating manner, so that the sliding plate 6 swings in a reciprocating manner, the rack 603 drives the driven shaft 11 to rotate in a reciprocating manner, thereby, also can prevent that the insect from getting into cabinet body 1, the gliding in-process filter screen 601 of slide 6 then with the reciprocal contact of brush hair 141 in the recess 14, thereby prevent that the dust from blockking up filter screen 601, the extrusion stem 8 is followed the rack 603 and is removed, thereby reciprocal top is moved air feed plate 4, make air feed plate 4 swing, the arc case 2 is sent into through filter screen three 12 to the wobbling in-process with external wind, filter screen 601 of rethread slide 6 is seen off, form the wind circulation, extrusion stem 8 is at the in-process that removes, the friction roll between cleaning roller 15 and the filter screen three 12, thereby reach cleaning action, prevent that the dust from blockking up filter screen three 12.

Claims

1. The utility model provides a switch board heat dissipation wind channel of protection against insects dust and sand, includes the cabinet body (1), its characterized in that: the improved air-conditioning box is characterized in that arc-shaped boxes (2) are fixedly connected to the upper ends of the left side and the right side of the box body (1), a notch (201) is formed in the upper end of the arc-shaped box (2), the side wall of the box body (1) is located on the upper end of the notch (201) and is fixedly connected with an upper supporting plate (13) which is concentric with the arc surface of the arc-shaped box (2), a connecting plate (5) is horizontally and fixedly connected to the lower end of the notch (201), a supporting plate side support (502) which is concentric with the arc surface of the arc-shaped box (2) is vertically and fixedly connected to the other side of the connecting plate (5), a partition plate (3) is vertically and fixedly connected between the bottom of the connecting plate (5) and the inner bottom of the arc-shaped box (2), ventilation openings (101) are formed in the wall surface of the box body (, the inner side of the sliding plate (6) corresponds to the upper end of the notch (201) and is fixedly connected with a connecting rod (7), the other end of the connecting rod (7) is connected to the upper end of the wall surface of the box body (1) through the horizontal rotation of the movable shaft, a positive and negative motor is installed on the side wall of the box body (1), the output shaft of the positive and negative motor is fixedly connected with the movable shaft, a groove (14) is arranged at the lower end of the notch (201) in the arc surface of the arc-shaped box (2), bristles (141) connected with the sliding plate (6) are fixed in the groove (14), an air supply plate (4) is horizontally connected to the center of the outer side of the arc surface of the arc-shaped box (2) in a rotating mode, a spring is fixedly connected between the air supply plate (4) and the wall surface of the arc-shaped box (2), sliding grooves (9) penetrating through the inner part of the arc-shaped box (2) are formed, and the third filter screen (12) is communicated with the inside of the arc-shaped box (2).

2. The insect-proof and dust-proof power distribution cabinet heat dissipation air duct according to claim 1, characterized in that: go up interval and breach (201) between backup pad (13) and collateral branch backup pad (5) and correspond the setting, it is equipped with a plurality of through-holes (131) to go up backup pad (13) upper end.

3. The insect-proof and dust-proof power distribution cabinet heat dissipation air duct according to claim 1, characterized in that: slide (6) inside is the cavity form, and slide (6) are concentric arc surface with the cambered surface of arc case (2), slide (6) outside cambered surface lower extreme and slide (6) bottom all are equipped with filter screen (601), slide (6) bottom front and back end equal fixedly connected with is rack (603) of concentric circular arc with arc case (2) cambered surface, baffle (3) are run through in rack (603), slide (6) bottom upper end is equipped with filter screen two (602), it is connected with separation blade (604) to correspond filter screen two (602) horizontal rotation in proper order in slide (6).

4. The insect-proof and dust-proof power distribution cabinet heat dissipation air duct according to claim 3, characterized in that: separation blade (604) are fixedly connected with reset spring between terminal and filter screen two (602), separation blade (604) are the arc form, filter screen one (601) initial position corresponds the setting with breach (201) and recess (14), filter screen two (602) initial position corresponds the setting with last backup pad (13).

5. The insect-proof and dust-proof power distribution cabinet heat dissipation air duct according to claim 1, characterized in that: arc case (2) inside is located vertical horizontal rotation between connecting plate (5) and baffle (3) and is connected with driven shaft (11), driven shaft (11) upper end equidistance fixed mounting has the fan wheel in proper order, equal fixedly connected with gear around driven shaft (11) upper end, gear and rack (603) correspond the meshing joint.

6. The insect-proof and dust-proof power distribution cabinet heat dissipation air duct according to claim 3, characterized in that: rack (603) outside equal fixedly connected with extrusion stem (8), extrusion stem (8) other end corresponds spout (9) and extends to the outside and meets with air feed plate (4) inboard, extrusion stem (8) cup joint slide bar (10) upper end in spout (9).

7. The insect-proof and dust-proof power distribution cabinet heat dissipation air duct according to claim 6, characterized in that: the extrusion rod (8) is located between the outer sides of the arc-shaped boxes (2) and is connected with a cleaning roller (15) in a rotating mode, and the cleaning roller (15) is connected with the outer sides of the three filter screens (12).

8. The insect-proof and dust-proof power distribution cabinet heat dissipation air duct according to claim 1, characterized in that: the improved multifunctional cabinet is characterized in that a temperature sensor and a controller are mounted inside the cabinet body (1), a single chip microcomputer is mounted in the controller, the temperature sensor is electrically connected with the controller, and the controller is electrically connected with the positive and negative motors.