A power grid control cabinet chassis

Abstract

This application relates to a power grid control cabinet chassis, which relates to the field of power grid control equipment. It includes a chassis body, and the chassis body has at least one group of ventilation holes. The number of each group of ventilation holes is two. A dust removal net is provided on the chassis body, and the dust removal net corresponds to the ventilation holes one by one. Each dust removal net is connected to the chassis body through a reciprocating sliding mechanism. An oscillation mechanism for driving the dust removal net to vibrate is provided on the chassis body, and an opening and closing mechanism for controlling the opening and closing of the ventilation holes in the same group is provided on the chassis body. This application can effectively prevent dust from directly entering the chassis body when cleaning the dust removal net, and improve the dust removal effect of the chassis.

Description

Technical Field

[0001] This application relates to the field of power grid control equipment, and particularly to a chassis of a power grid control cabinet. Background Art

[0002] A large number of switch devices, control components, measuring instruments, etc. are installed inside the chassis of the power grid control cabinet. The working environment is often accompanied by the generation of dust. If dust enters the chassis of the control cabinet, it will cause short circuits of electronic components, etc. Therefore, the chassis needs to have a dust-proof function.

[0003] The dust-proof treatment of the traditional chassis is to install a filter screen at the air inlet of the chassis. When the filter screen is full of dust, the filter screen is removed for cleaning. However, when the filter screen is removed, the air inlet is in a completely open state, and dust will enter the interior of the chassis from the air inlet, affecting the operation of the equipment inside the chassis. Summary of the Invention

[0004] In order to improve the problem that when the dust removal net is cleaned, dust enters the chassis from the air inlet, causing short circuits of the equipment inside the chassis, this application provides a chassis of a power grid control cabinet.

[0005] A chassis of a power grid control cabinet provided by this application adopts the following technical solutions:

[0006] A chassis of a power grid control cabinet includes a chassis body. The chassis body has at least one group of ventilation holes, and the number of each group of ventilation holes is two. A dust removal net is provided on the chassis body, and the dust removal net corresponds to the ventilation holes one by one. Each dust removal net is connected to the chassis body through a reciprocating sliding mechanism. An oscillation mechanism for driving the dust removal net to vibrate is provided on the chassis body, and an opening and closing mechanism for controlling the opening and closing of the ventilation holes in the same group is provided on the chassis body.

[0007] By adopting the above technical solutions, when the chassis is in use, one dust removal net is in use and the other is used as a spare. When the dust removal net is cleaned, the ventilation hole corresponding to the used dust removal net is closed through the opening and closing structure, and the ventilation hole corresponding to the spare dust removal net is opened. Air enters the interior of the chassis body from the spare dust removal net and the ventilation hole. Then, the oscillation mechanism is driven to continuously impact the dust removal net. Under the action of the reciprocating sliding mechanism, the dust removal net generates reciprocating vibration, and the dust on the dust removal net falls off due to the vibration, so as to clean the dust removal net without disassembling it, and at the same time, it can effectively avoid the entry of dust-containing air into the chassis due to the disassembly and cleaning of the dust removal net, affecting the operation of the equipment.

[0008] In a specific feasible implementation, a dust removal box is provided on the chassis box body. The dust removal box covers the ventilation holes of the same group. A partition is provided in the dust removal box. The partition is located between two ventilation holes of the same group. The partition divides the dust removal box into two dust removal chambers. The dust removal net is located in the dust removal chamber. The dust removal net is inserted into the opposite side walls of the dust removal box and is slidably arranged with the dust removal box. Ear plates are provided on the dust removal net;

[0009] The reciprocating sliding mechanism includes a sliding rod and a support spring. The sliding rod is arranged on the bottom wall of the dust removal box. The sliding rod passes through the ear plate and is slidably arranged with the ear plate. The support spring is sleeved on the sliding rod. The support spring is located between the bottom wall of the dust removal box and the ear plate;

[0010] The oscillation mechanism includes a linear motor arranged on the top wall of the dust removal box. The output shaft of the linear motor abuts against the dust removal net.

[0011] By adopting the above technical solution, when cleaning the dust removal net, the linear motor is started. The linear motor continuously impacts the dust removal net through reciprocating motion. The impacted dust removal net slides along the dust removal box. At the same time, the ear plate slides along the sliding rod. The ear plate squeezes the support spring to contract while sliding. When the output shaft of the linear motor is separated from the dust removal net, the compressed support spring restores. The support spring pushes the dust removal net to slide in the reverse direction. Under the continuous impact of the linear motor, reciprocating vibration of the dust removal net is realized, so that the dust can fall off; the partition can effectively prevent dust from entering another dust removal chamber and affecting the ventilation holes in use.

[0012] In a specific feasible implementation, blocking plates are provided on the opposite side walls of the dust removal chamber. The blocking plates are located between the dust removal net and the ventilation holes. The blocking plates correspond to the dust removal chambers one by one. Through holes are provided on the blocking plates;

[0013] The opening and closing mechanism includes a sliding tube and a connecting tube. One end of the sliding tube is open and the other end is blocked. The connecting tube is communicated with the sliding tube. The connecting tube is used to be communicated with the through hole. The sliding tube penetrates through the opposite side walls of the dust removal box and is slidably arranged with the dust removal box. The connecting tube slides along the blocking plate and abuts against the blocking plate.

[0014] By adopting the above technical solution, initially, the connecting pipe in the spare dust removal chamber is aligned with the through hole, closing the through hole, so that air cannot enter the chassis from the ventilation hole. The connecting rod in the used dust removal chamber deviates from the through hole, opening the through hole. The dust removal net filters and removes dust from the air entering the chassis. When cleaning the used dust removal net, move the sliding pipe in the used dust removal chamber to align the connecting pipe with the through hole, and then move the sliding pipe in the spare dust removal chamber. The connecting pipe deviates from the through hole to open the through hole, thus realizing the working conversion between the two dust removal nets.

[0015] In a specific feasible implementation, a dehumidification layer is provided on the side of the blocking plate facing away from the ventilation hole, and air passing holes communicating with the through hole are provided on the dehumidification layer.

[0016] By adopting the above technical solution, the dehumidification layer is used to dehumidify the air entering the chassis, effectively preventing the equipment in the chassis from short-circuiting and rusting due to humid air.

[0017] In a specific feasible implementation, an intermediate pipe is slidably sleeved on each connecting pipe, and a telescopic spring for pushing the intermediate pipe to abut against the blocking plate is sleeved on the connecting pipe. The telescopic spring is located between the intermediate pipe and the sliding pipe. A slot for inserting the intermediate pipe is provided on the blocking plate, and the slot is communicated with the through hole. A guiding surface is provided on the intermediate pipe for guiding the intermediate pipe to slide out of the slot.

[0018] By adopting the above technical solution, when opening the ventilation hole, pull the sliding pipe to slide. The intermediate pipe abuts against the blocking plate under the push of the telescopic spring and slides along the blocking plate. When the intermediate pipe slides to the position of the through hole, the intermediate pipe is inserted into the slot under the push of the telescopic spring, opening the through hole, thereby realizing the positioning of the sliding pipe. When closing the ventilation hole, move the sliding pipe, and the intermediate pipe slides out of the slot under the guidance of the guiding surface, so that the connecting pipe deviates from the through hole and the ventilation hole is closed.

[0019] In a specific feasible implementation, an extrusion cylinder is provided on the top wall of the dust removal box. An exhaust pipe is communicated with the extrusion cylinder. The sliding pipe is inserted into the exhaust pipe and is slidably arranged with the exhaust pipe. An air inlet is provided on the extrusion cylinder. A blocking piece one for blocking the air inlet is rotatably arranged on the inner side wall of the extrusion cylinder. A blocking piece two is rotatably arranged in the exhaust pipe for blocking the exhaust pipe. A piston is slidably arranged in the extrusion cylinder. A transmission rod is provided on the piston, and the transmission rod is connected to the output shaft of the linear motor.

[0020] By adopting the above technical solution, when the dust removal net is being dusted, the output shaft of the linear motor drives the piston to slide back and forth in the extrusion cylinder through the transfer rod while reciprocating. When the piston slides toward the bottom wall of the extrusion cylinder, the second sealing piece rotates, the exhaust pipe opens, the first sealing piece rotates, the air inlet is closed, and the piston pushes the air from the exhaust pipe into the sliding tube. The air is then blown toward the dust removal net through the connecting pipe and the through hole, thereby effectively blowing off the dust attached to the dust removal net and making the dust removal net clean more thoroughly.

[0021] In a specific possible implementation manner, support rods are provided on opposite side walls of the dust removal chamber, and bristles for sliding on the dust removal net are provided on the support rods. The bristles are located on the side of the dust removal net away from the vent hole.

[0022] By adopting the above technical solution, when the dust removal net vibrates back and forth, the bristles will remove the dust attached to the dust removal net, so that the dust removal net can be cleaned more thoroughly.

[0023] In a specific feasible implementation scheme, the dust removal box is provided with two groups of vents on the side away from the vent, each group of the vents corresponds to a dust removal chamber, and the dust removal box is slidably provided with two groups of cover plates for sealing the vents, each group of the cover plates corresponds to each group of the vents, and the two groups of cover plates are connected by a connecting rod so that one group of the cover plates and one group of the vents are in a closed state, and the other group of the cover plates and the other group of the vents are in an open state, and the dust removal box is provided with a filter bag for collecting dust fallen on the dust removal net.

[0024] By adopting the above technical solution, when cleaning the dust removal net, pull the connecting rod, the connecting rod drives the two sets of cover plates to move, the cover plate corresponding to the spare dust removal net is removed from the vent, the cover plate corresponding to the used dust removal net blocks the vent, and then clean the dust removal net, the cleaned dust enters the filter bag with the flowing air, so as to realize the collection of dust, thereby effectively preventing the cleaned dust from entering the air and increasing the dust content in the air again.

[0025] In a specific possible implementation scheme, an extrusion rod is slidably provided on the connecting rod, the extrusion rod passes through the connecting rod and is connected to the cover plate, a retaining ring is provided at the end of the extrusion rod away from the cover plate, and an extrusion spring for pushing the cover plate against the cover plate is sleeved on the extrusion rod, and the extrusion spring is located between the connecting rod and the retaining ring.

[0026] By adopting the above technical solution, when the connecting rod is moved, the cover plate contacts the wall of the dust collector box and slides along the wall of the dust collector box under the push of the extrusion spring, thereby improving the sealing of the cover plate on the vent. At the same time, the cover plate and the connecting rod are positioned by the tight contact between the cover plate and the wall of the dust collector box, effectively avoiding the shaking of the cover plate.

[0027] In a specific feasible implementation scheme, the filter bag is provided with a supporting ring edge, the dust removal box is provided with a drop port connected to the filter bag, the dust removal box is provided with a slide rail for inserting the supporting ring edge, and the supporting ring edge is slidably arranged with the slide rail.

[0028] By adopting the above technical solution, when installing the filter bag, the support ring edge is inserted into the slide rail so that the bag opening of the filter bag is aligned with the drop opening. When disassembling the filter bag, the support ring edge is pulled out from the slide rail, thereby realizing the disassembly and assembly of the filter bag and improving the convenience of disassembly and assembly of the filter bag.

[0029] In summary, the present application includes at least one of the following beneficial technical effects:

[0030] 1. When cleaning the dust net, the vents at the dust net in use are closed through the opening and closing mechanism, the spare vents are opened through the opening and closing mechanism, and then the oscillation motor is turned on to continuously hit the dust net. The dust net generates reciprocating vibrations under the action of the reciprocating sliding mechanism, and the dust attached to the dust net falls off under the vibration, so that the dust net can be cleaned without disassembling the dust net. At the same time, the working states of the two dust nets are continuously changed, so that the dust net can continuously remove dust from the air entering the chassis, thereby effectively preventing dust from directly entering the chassis when the dust net is cleaned, and improving the dust removal effect of the chassis;

[0031] 2. The linear motor continuously drives the piston to slide in the extrusion cylinder, and the piston continuously squeezes air into the sliding tube, and blows it toward the dust removal net through the connecting tube and the through hole, thereby blowing off the dust on the dust removal net, so that the dust removal net can be cleaned more thoroughly;

[0032] 3. By moving the connecting rod, the cover plate blocks the vent, so that the fallen dust enters the filter bag driven by the air blown out of the through hole. The filter bag collects the cleaned dust, thereby effectively preventing the cleaned dust from entering the air again and increasing the dust concentration in the air. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a structural schematic diagram of a power grid control cabinet chassis according to an embodiment of the present application.

[0034] Figure 2 is along Figure 1 Section view along line AA.

[0035] Figure 3 is along Figure 1 Cross-sectional view along line BB.

[0036] Figure 4 yes Figure 2 Enlarged view of part C in the middle.

[0037] Figure 5 It is a schematic structural diagram for showing the oscillation mechanism.

[0038] Figure 6 It is Figure 5 The enlarged view of part D in

[0039] Figure 7 It is Figure 5 The enlarged view of part E in

[0040] Figure 8 It is Figure 2 The enlarged view of part F in

[0041] Figure 9 It is Figure 5 The enlarged view of part G in

[0042] Figure 10 It is a schematic structural diagram for showing the filter bag.

[0043] Figure 11 It is a sectional view along the Figure 10 H-H line in

[0044] Explanation of reference numerals: 1. Chassis box; 11. Ventilation hole; 2. Dust removal box; 21. Partition board; 22. Dust removal chamber; 23. Ventilation opening; 24. Dust removal net; 241. Ear plate; 3. Reciprocating sliding mechanism; 31. Sliding rod; 32. Support spring; 4. Oscillation mechanism; 41. Linear motor; 42. Transmission rod; 5. Opening and closing mechanism; 51. Sealing plate; 511. Through hole; 512. Slot; 513. Support block; 52. Sliding tube; 53. Connecting tube; 531. Intermediate tube; 532. Telescopic spring; 533. Guide surface; 54. Extrusion cylinder; 541. Exhaust pipe; 542. Control box; 543. Air inlet; 544. Sealing piece one; 545. Sealing piece two, 546. Intermediate air duct; 55. Piston; 56. Air guide pipe; 6. Dehumidification layer; 61. Air passing hole; 71. Support rod; 72. Brush hair; 811. Support rod; 812. Connecting rod; 813. Cover plate; 814. Extrusion rod; 815. Stop ring; 816. Extrusion spring; 821. Discharge port; 822. Slide rail; 823. Filter bag; 824. Support ring edge; 825. Groove; 826. Fixed plate; 827. Slope plate; 828. Limit rod; 829. Tightening spring. Detailed implementation manners

[0045] The following further elaborates on this application in conjunction with the attached Figure 1-11 drawings.

[0046] The embodiment of this application discloses a power grid control cabinet chassis.

[0047] Refer to Figure 1 、Figure 2 and Figure 3 , a power grid control cabinet chassis includes a chassis body 1. A heat dissipation fan and a main board are provided inside the chassis body 1. At least one set of ventilation holes 11 are provided on the chassis body 1. In this embodiment, there is one set of ventilation holes 11, and the number of each set of ventilation holes 11 is two. A dust removal box 2 is provided on the chassis body 1. The dust removal box 2 covers the two ventilation holes 11. The dust removal box 2 is connected to the chassis body 1 by screws. A partition 21 is provided inside the dust removal box 2. The partition 21 divides the inner cavity of the dust removal box 2 into two dust removal chambers 22. The dust removal chambers 22 correspond to the ventilation holes 11 one by one. Two sets of ventilation openings 23 are provided on the side of the dust removal box 2 away from the ventilation holes 11. Each ventilation hole 11 corresponds to one set of ventilation openings 23, and the number of each set of ventilation openings 23 is two. A dust removal net 24 is provided on the side wall of each dust removal chamber 22. The dust removal net 24 is composed of a net frame and a net body. The dust removal net 24 is connected to the dust removal box 2 by a reciprocating sliding mechanism 3. An oscillating mechanism 4 for driving the dust removal net 24 to vibrate is provided on the dust removal box 2. An opening and closing mechanism 5 for controlling the opening and closing of the two ventilation holes 11 is provided on the dust removal box 2.

[0048] When using the dust removal net 24, one of the two dust removal nets 24 is in use and the other is in reserve. When it is necessary to remove dust from the dust removal net 24 in use, first close the ventilation opening 23 in use through the opening and closing mechanism 5, and open the reserved ventilation opening 23. Then, continuously hit the net frame of the dust removal net 24 by driving the oscillating mechanism 4. The dust removal net 24 makes a reciprocating vibration movement along the dust removal box 2 under the guidance of the reciprocating sliding mechanism 3. The vibration of the dust removal net 24 causes the dust attached to the dust removal net 24 to fall off, thereby realizing the cleaning of the dust removal net 24. Similarly, when it is necessary to clean the reserved dust removal net 24, use the same method as above to clean the reserved dust removal net 24. By alternately using and cleaning the two dust removal nets 24, it is effectively avoided that when cleaning the dust removal net 24, the air containing dust directly enters the chassis, causing excessive dust accumulation on the equipment components inside the chassis body 1 and short circuit, improving the dust removal effect of the chassis. At the same time, while realizing the cleaning of the dust removal net 24, the air circulation inside and outside the chassis body 1 is also realized.

[0049] Refer to Figure 2 、 Figure 3 and Figure 4, taking a dust removal chamber 22 as an example, a sealing plate 51 is fixedly arranged on the side wall of the dust removal chamber 22. The sealing plate 51 is located between the dust removal net 24 and the ventilation hole 11. Two rows of through holes 511 are arranged on the sealing plate 51. The opening and closing mechanism 5 in this embodiment includes a sliding pipe 52 and a connecting pipe 53. The top of the sliding pipe 52 is open and the bottom is closed. The connecting pipe 53 is communicated with the sliding pipe 52. Each row of through holes 511 corresponds to a sliding pipe 52, and the through holes 511 in each row correspond to the connecting pipes 53 on each sliding pipe 52 one by one. The sliding pipe 52 penetrates through the top wall and the bottom wall of the dust removal box 2 and is slidably arranged with the dust removal box 2. An intermediate pipe 531 is sleeved on each connecting pipe 53. The intermediate pipe 531 is slidably arranged with the connecting pipe 53. A telescopic spring 532 is arranged between the intermediate pipe 531 and the sliding pipe 52. The telescopic spring 532 is sleeved on the connecting pipe 53 and abuts against the sliding pipe 52 and the intermediate pipe 531 respectively. A slot 512 for inserting the intermediate pipe 531 is arranged on the sealing plate 51. The slot 512 corresponds to the through hole 511 one by one and is arranged in communication. A guiding surface 533 is arranged on the intermediate pipe 531. The guiding surface 533 inclines from the outer side wall of the intermediate pipe 531 to the inner wall side of the intermediate pipe 531. The side wall of the slot 512 fits with the guiding surface 533. A plurality of supporting blocks 513 are arranged on the sealing plate 51. The supporting blocks 513 correspond to the through holes 511 one by one. The supporting blocks 513 are located below the through holes 511. The distance between the supporting blocks 513 and the through holes 511 is greater than the height of the intermediate pipe 531.

[0050] Referring to Figure 3 , a dehumidifying layer 6 is arranged on the sealing plate 51. The dehumidifying layer 6 in this embodiment is a water-absorbing cotton layer. The dehumidifying layer 6 is located between the sealing plate 51 and the dust removal net 24. An air passing hole 61 communicated with the through hole 511 is arranged on the dehumidifying layer 6. The air passing hole 61 corresponds to the through hole 511 one by one; the air after being dust-removed by the dust removal net 24 passes through the dehumidifying layer 6 for dehumidification, reducing the moisture content in the air and effectively avoiding the short circuit and corrosion of the equipment in the chassis box 1.

[0051] Referring to Figure 5 、 Figure 6, an extrusion cylinder 54 is provided on the outer top wall of the dust removal box 2. The extrusion cylinder 54 is a rectangular cylinder with an open upper end and a closed lower end. An exhaust pipe 541 is communicated and provided at the bottom of the extrusion cylinder 54. A control box 542 is provided on the dust removal box 2. The control box 542 and the extrusion cylinder 54 are communicated and arranged through the exhaust pipe 541. An air inlet 543 is provided on the side wall of the extrusion cylinder 54. A first blocking piece 544 is provided on the inner side wall of the extrusion cylinder 54. The first blocking piece 544 and the extrusion cylinder 54 are rotatably arranged through a rotating shaft. A second blocking piece 545 for blocking the exhaust pipe 541 is provided on the inner side wall of the control box 542. The second blocking piece 545 and the control box 542 are rotatably arranged through a rotating shaft. Both the first blocking piece 544 and the second blocking piece 545 are rubber sheets. A piston 55 is provided in the extrusion cylinder 54. The piston 55 is a rubber disk. The piston 55 abuts against and slides on the inner side wall of the extrusion cylinder 54. An intermediate air pipe 546 is communicated and provided at the bottom of the control box 542. A guide air pipe 56 is slidably arranged in the intermediate air pipe 546. Both the two sliding pipes 52 are communicated with the guide air pipe 56.

[0052] Refer to Figure 5 , Figure 7 , taking a dust removal net 24 as an example, the upper and lower frame of the dust removal net 24 respectively penetrate through the box body of the dust removal box 2 on the same side. The lower frame of the dust removal net 24 extends out of the box wall of the dust removal box 2 towards the dust removal cavity 22. Ear plates 241 are provided on the frame. The reciprocating sliding mechanism 3 in this embodiment includes a plurality of groups of sliding rods 31 provided on the inner bottom wall of the dust removal box 2. The number of each group of sliding rods 31 is two. The two sliding rods 31 in the same group are located on both sides of the dust removal net 24. The sliding rods 31 penetrate through the ear plates 241 and are slidably arranged with the ear plates 241. A support spring 32 is sleeved on the sliding rods 31. The support spring 32 is located between the ear plates 241 and the inner bottom wall of the dust removal box 2. One end of the support spring 32 is fixedly connected with the ear plate 241, and the other end of the support spring 32 is fixedly connected with the inner bottom wall of the dust removal box 2.

[0053] Refer to Figure 5 , the oscillation mechanism 4 in this embodiment includes a linear motor 41 provided on the outer top wall of the dust removal box 2. The linear motor 41 corresponds to the dust removal cavity 22 one by one. A transmission rod 42 is provided on the output shaft of the linear motor 41. The transmission rod 42 is sleeved on the output shaft of the linear motor 41 through a sleeve and then fixed to the output shaft of the linear motor 41 through a bolt. One end of the transmission rod 42 abuts against the upper frame of the dust removal net 24, and the other end of the transmission rod 42 is fixedly connected with the piston 55.

[0054] Initially, the middle tube 531 in the dust removal chamber 22 in use is placed on the support block 513. The middle tube 531 deviates from the through hole 511, so that the ventilation hole 11 is in an open state. The middle tube 531 in the spare dust removal chamber 22 is inserted into the slot 512. The middle tube 531 is communicated with the through hole 511, so that the ventilation hole 11 is in a closed state. When cleaning the dust removal net 24 in use, first, the operator drives the sliding tube 52 in the dust removal chamber 22 in use to slide upward. At this time, the connecting tube 53 drives the middle tube 531 to slide on the blocking plate 51. When the middle tube 531 slides to the position of the slot 512, the middle tube 531 is inserted into the slot 512 under the push of the telescopic spring 532, so that the middle tube 531 is communicated with the through hole 511, and the ventilation hole 11 is in a closed state. The middle tube 531 is inserted into the slot 512, which can effectively position the sliding tube 52. Then, the operator drives the sliding tube 52 in the spare dust removal chamber 22 to slide downward. The guiding surface 533 slides along the side wall of the slot 512. The middle tube 531 slides towards the sliding tube 52 and squeezes the telescopic spring 532 to contract. The middle tube 531 slides out of the slot 512 and slides along the blocking plate 51 under the extrusion of the telescopic spring 532. When the middle tube 531 slides down to the support block 513, the middle tube 531 completely deviates from the through hole 511, so that the ventilation hole 11 is opened, and the spare ventilation pipe starts to ventilate and remove dust from the dust removal net 24, thus realizing the conversion of the working states of the two dust removal nets 24 and the ventilation hole 11.

[0055] After the ventilation hole 11 in use is closed, the linear motor 41 corresponding to the ventilation hole 11 in use is driven to move. The output shaft of the linear motor 41 continuously impacts the frame of the dust removal net 24 through the transmission rod 42. At the same time, the transmission rod 42 also drives the piston 55 to reciprocate in the extrusion cylinder 54. After being impacted, the dust removal net 24 continuously reciprocates along the sliding rod 31 under the action of the support spring 32, so as to realize the reciprocating vibration of the dust removal net 24. The dust on the vibrating dust removal net 24 falls off, thus realizing the cleaning of the dust removal net 24.

[0056] The piston 55 reciprocates within the extrusion cylinder 54, causing the extrusion cylinder 54 to continuously inhale and exhaust air. When the piston 55 moves upward, the second blocking piece 545 rotates and blocks the exhaust port, and the first blocking piece 544 rotates to open the air inlet 543, enabling the piston 55 to inhale external gas into the extrusion cylinder 54. When the piston 55 moves downward, the piston 55 compresses the gas, the first blocking piece 544 fits against the inner side wall of the extrusion cylinder 54, closing the air inlet 543, and the second blocking piece 545 separates from the side wall of the control box 542, opening the exhaust pipe 541. The piston 55 discharges the gas from the exhaust pipe 541, and the discharged gas blows towards the dust removal net 24 through the air guide pipe 56, the sliding pipe 52, the intermediate pipe 531, and the through hole 511, capable of blowing off the dust attached to the dust removal net 24, making the dust cleaning on the dust removal net 24 cleaner.

[0057] Refer to Figure 5 , on the opposite side walls of the dust removal chamber 22, a number of support rods 71 are fixedly provided. The number of support rods 71 is arranged along the sliding direction of the dust removal net 24, and brush hairs 72 for sliding on the dust removal net 24 are provided on the support rods 71; when the dust removal net 24 vibrates reciprocally, relative sliding occurs between the dust removal net 24 and the brush hairs 72, and the brush hairs 72 brush off the dust attached to the dust removal net 24, thereby making the dust cleaning on the dust removal net 24 more thorough.

[0058] Refer to Figure 2 , Figure 8 , on one side of the dust removal box 2 away from the box body 1 of the machine case, two support rods 811 are provided. The two support rods 811 are respectively located on both sides of the dust removal box 2. An connecting rod 812 is commonly provided on the two support rods 811. The two ends of the connecting rod 812 are respectively inserted into the support rods 811 on the same side and are slidably arranged with the support rods 811. Two groups of cover plates 813 for blocking the ventilation openings 23 are provided on the connecting rod 812. One group of cover plates 813 corresponds to one group of ventilation openings 23, and the number of each group of cover plates 813 is two. When one group of cover plates 813 and one group of ventilation openings 23 are in a closed state, the other group of cover plates 813 and the other group of ventilation openings 23 are in an open state. An extrusion rod 814 is provided on the connecting rod 812. The extrusion rod 814 corresponds to the cover plate 813 one by one. The extrusion rod 814 penetrates through the connecting rod 812 and is slidably arranged with the connecting rod 812. One end of the extrusion rod 814 passing through the connecting rod 812 is fixedly connected to the cover plate 813. A retaining ring 815 is provided at the end of the extrusion rod 814 extending out of the connecting rod 812. An extrusion spring 816 for pushing the cover plate 813 to abut against the box wall of the dust removal box 2 is sleeved on the extrusion rod 814. The extrusion spring 816 is located between the connecting rod 812 and the retaining ring 815. One end of the extrusion spring 816 is fixedly connected to the connecting rod 812, and the other end of the extrusion spring 816 is fixedly connected to the retaining ring 815.

[0059] Refer to Figure 5 , Figure 9, a blanking port 821 is provided on the inner bottom wall of the dust removal box 2. The blanking port 821 corresponds to the dust removal chamber 22 one by one. The blanking port 821 is located on the side of the dust removal net 24 away from the sealing plate 51. Two groups of sliding rails 822 are provided on the outer bottom wall of the dust removal box 2. The sliding rails 822 are L-shaped support plates. Each group of sliding rails 822 corresponds to a blanking port 821. The number of each group of sliding rails 822 is two. The blanking port 821 is located between the two sliding rails 822 in the same group. A filter bag 823 is provided below the blanking port 821. A support ring edge 824 for inserting into the sliding rail 822 is provided on the filter bag 823. The support ring edge 824 is slidably arranged with the sliding rail 822. When the support ring edge 824 is inserted into the sliding rail 822, the filter bag 823 is located below the blanking port 821.

[0060] When starting to clean the dust removal net 24, slide the connecting rod 812. The connecting rod 812 drives the cover plate 813 to slide on the wall of the dust removal box 2 through the extrusion rod 814, slide the cover plate 813 to the ventilation port 23 and block the ventilation port 23. At this time, the other group of ventilation ports 23 is in an open state. Then clean the working dust removal net 24. The dust cleaned out enters the filter bag 823 through the blanking port 821 under the drive of the air blown out in the through hole 511. The filter bag 823 collects the dust cleaned and dropped, thus effectively preventing the dust cleaned from the dust removal net 24 from entering the air again and increasing the dust concentration in the air.

[0061] When the cover plate 813 blocks the ventilation port 23, the cover plate 813 is tightly pressed against the wall of the dust removal box 2 under the pull of the compression spring 816, thereby improving the sealing performance of the cover plate 813 for blocking the ventilation port 23. At the same time, the positioning of the connecting rod 812 is realized, effectively preventing the connecting rod 812 from shaking when being vibrated; when installing the filter bag 823, insert the filter bag 823 into the sliding rail 822. When disassembling, pull out the support ring edge 824 from the sliding rail 822, thereby realizing the disassembly and assembly of the filter bag 823 and enabling the filter bag 823 to dump the collected dust.

[0062] Refer to Figure 9 , Figure 10 and Figure 11 , two grooves 825 are provided on the support ring edge 824. The filter bag 823 is located between the two grooves 825. The grooves 825 are arranged along the sliding direction of the support ring edge 824. A fixing plate 826 is provided on the support ring edge 824. The fixing plate 826 corresponds to the groove 825 one by one. The front end of the fixing plate 826 along its sliding direction inclines towards the support ring edge 824 to form a slope plate 827. Two limiting rods 828 are provided on the bottom wall of the fixing plate 826. The limiting rods 828 are inserted into the bottom wall of the groove 825 and are slidably arranged with the support ring edge 824. A pressing spring 829 is provided on the limiting rod 828. One end of the pressing spring 829 is fixedly connected to the fixing plate 826, and the other end of the pressing spring 829 is fixedly connected to the bottom wall of the groove 825.

[0063] When installing the filter bag 823, insert the support ring edge 824 into the slide rail 822, and then continue to push the support ring edge 824. The box wall of the dust removal box 2 slides along the slope plate 827, and the fixing plate 826 is squeezed into the groove 825. The fixing plate 826 squeezes against the spring 829 and contracts. When the support ring edge 824 is completely inserted into the slide rail 822, the fixing plate 826 is pushed by the pressing spring 829 and presses tightly against the bottom wall of the dust removal box 2, thereby improving the installation stability of the filter bag 823.

[0064] The implementation principle of the power grid control cabinet chassis in the embodiment of the present application is as follows: When cleaning the dust removal net 24, the operator drives the sliding pipe 52 in the dust removal chamber 22 used to move upward. The middle pipe 531 is inserted into the slot 512, so that the ventilation hole 11 used is closed. Then, the operator drives the sliding pipe 52 in the spare dust removal chamber 22 to move downward. The middle pipe 531 slides out of the slot 512 and is placed on the support block 513. Then, move the connecting rod 812 so that the cover plate 813 corresponding to the dust removal chamber 22 used blocks the ventilation port 23, and the cover plate 813 corresponding to the spare working chamber moves away from the ventilation port 23. Then, drive the linear motor 41 to move. The linear motor 41 drives the transmission rod 42 to continuously impact the dust removal net 24. At the same time, the transmission rod 42 drives the piston 55 to reciprocate in the extrusion cylinder 54. The dust removal net 24 reciprocally vibrates along the sliding rod 31 under the action of the support spring 32. The extrusion cylinder 54 blows air through the exhaust pipe 541, the air guide pipe 56, the sliding pipe 52, the middle pipe 531, and the through hole 511 towards the dust removal net 24 through the continuous reciprocating movement of the piston 55, blowing off the dust attached to the dust removal net 24. The fallen dust is driven by the air blown out in the through hole 511 and enters the filter bag 823 through the material falling port 821. The filter bag 823 collects the fallen dust.

[0065] The above are all the preferred embodiments of the present application, and do not limit the protection scope of the present application accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A power grid control cabinet chassis, comprising a chassis body (1), characterized in that: The chassis box body (1) is provided with at least one group of ventilation holes (11), and the number of each group of the ventilation holes (11) is two. A dust removal net (24) is arranged on the chassis box body (1), and the dust removal nets (24) correspond to the ventilation holes (11) one by one. Each dust removal net (24) is connected to the chassis box body (1) through a reciprocating sliding mechanism (3). An oscillating mechanism (4) for driving the dust removal net (24) to vibrate is arranged on the chassis box body (1), and an opening and closing mechanism (5) for controlling one of the ventilation holes (11) in the same group to be opened and the other to be closed is arranged on the chassis box body (1). A dust removal box (2) is arranged on the chassis box body (1), and the dust removal box (2) covers the ventilation holes (11) in the same group. A partition plate (21) is arranged in the dust removal box (2), and the partition plate (21) is located between the two ventilation holes (11) in the same group. The partition plate (21) divides the dust removal box (2) into two dust removal chambers (22). The dust removal net (24) is located in the dust removal chamber (22), and the dust removal net (24) is inserted into the opposite side walls of the dust removal box (2) and is slidably arranged with the dust removal box (2). An ear plate (241) is arranged on the dust removal net (24). The reciprocating sliding mechanism (3) includes a sliding rod (31) and a supporting spring (32). The sliding rod (31) is arranged on the bottom wall of the dust removal box (2), the sliding rod (31) passes through the ear plate (241) and is slidably arranged with the ear plate (241), the supporting spring (32) is sleeved on the sliding rod (31), and the supporting spring (32) is located between the bottom wall of the dust removal box (2) and the ear plate (241). The oscillating mechanism (4) includes a linear motor (41) arranged on the top wall of the dust removal box (2), and the output shaft of the linear motor (41) abuts against the dust removal net (24). Blocking plates (51) are arranged on the opposite side walls of the dust removal chamber (22), the blocking plates (51) are located between the dust removal net (24) and the ventilation holes (11), the blocking plates (51) correspond to the dust removal chambers (22) one by one, and through holes (511) are arranged on the blocking plates (51). The opening and closing mechanism (5) includes a sliding tube (52) and a connecting tube (53). One end of the sliding tube (52) is open and the other end is blocked. The connecting tube (53) is vertically communicated with the sliding tube (52), and the connecting tube (53) is used for being communicated with the through hole (511). The sliding tube (52) penetrates through the opposite side walls of the dust removal box (2) and is slidably arranged with the dust removal box (2). The connecting tube (53) slides along the blocking plate (51) and abuts against the blocking plate (51). An intermediate tube (531) is slidably sleeved on each of the connecting tubes (53), and a telescopic spring (532) is sleeved on the connecting tube (53) for pushing the intermediate tube (531) to contact the blocking plate (51). The telescopic spring (532) is located between the intermediate tube (531) and the sliding tube (52). The blocking plate (51) is provided with a slot (512) for inserting the intermediate tube (531), and the slot (512) is connected to the through hole (511). The intermediate tube (531) is provided with a guide surface (533), and the guide surface (533) is used to guide the intermediate tube (531) to slide out of the slot (512).

2. The grid control cabinet chassis according to claim 1, characterized in that: A dehumidification layer (6) is provided on the side of the blocking plate (51) facing away from the ventilation hole (11), and an air hole (61) communicating with the through hole (511) is provided on the dehumidification layer (6).

3. A power grid control cabinet chassis according to claim 1, characterized in that: An extrusion cylinder (54) is provided on the top wall of the dust removal box (2), and an exhaust pipe (541) is connected to the extrusion cylinder (54). The sliding tube (52) is inserted into the exhaust pipe (541) and is slidably arranged with the exhaust pipe (541). An air inlet (543) is provided on the extrusion cylinder (54), and a blocking piece (544) for blocking the air inlet (543) is rotatably arranged on the inner side wall of the extrusion cylinder (54). A blocking piece (545) is rotatably arranged in the exhaust pipe (541), and the blocking piece (545) is used to block the exhaust pipe (541). A piston (55) is slidably arranged in the extrusion cylinder (54), and a transmission rod (42) is provided on the piston (55). The transmission rod (42) is connected to the output shaft of the linear motor (41).

4. A power grid control cabinet chassis according to claim 1, characterized in that: A support rod (71) is provided on the opposite side wall of the dust removal chamber (22), and bristles (72) are provided on the support rod (71) for sliding on the dust removal net (24), and the bristles (72) are located on the side of the dust removal net (24) away from the vent hole (11).

5. A power grid control cabinet chassis according to claim 1, characterized in that: The dust removal box (2) is provided with two groups of ventilation holes (23) on a side away from the vent hole (11), and each group of ventilation holes (23) corresponds to one dust removal chamber (22). The dust removal box (2) is slidably provided with two groups of cover plates (813) for blocking the ventilation holes (23), and each group of cover plates (813) corresponds to each group of ventilation holes (23). The two groups of cover plates (813) are connected by a connecting rod (812) so that one group of cover plates (813) and one group of ventilation holes (23) are in a closed state, and the other group of cover plates (813) and the other group of ventilation holes (23) are in an open state. The dust removal box (2) is provided with a filter bag (823) for collecting dust dropped from the dust removal net (24).

6. A power grid control cabinet chassis according to claim 5, characterized in that: A pressing rod (814) is slidably arranged on the connecting rod (812). The pressing rod (814) passes through the connecting rod (812) and is connected to the cover plate (813). A retaining ring (815) is arranged at one end of the pressing rod (814) away from the cover plate (813). A pressing spring (816) for pushing the cover plate (813) to be in tight contact with the cover plate (813) is sleeved on the pressing rod (814). The pressing spring (816) is located between the connecting rod (812) and the retaining ring (815).

7. A power grid control cabinet chassis according to claim 5, characterized in that: A support ring edge (824) is arranged on the filter bag (823). A material dropping port (821) communicated with the filter bag (823) is arranged on the dust removal box (2). A slide rail (822) for inserting the support ring edge (824) is arranged on the dust removal box (2). The support ring edge (824) is slidably arranged with the slide rail (822).

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