CN113451899B - Switch cabinet - Google Patents

Abstract

The application relates to a switch cabinet, which comprises a cabinet body, wherein a containing cavity for containing an electric appliance element is arranged in the cabinet body, heat dissipation holes communicated with the containing cavity are formed in the side wall of the cabinet body, a dustproof filter screen is detachably connected to the cabinet body through at least one group of mounting components, and the dustproof filter screen is abutted to one side, away from the containing cavity, of the heat dissipation holes; the installation component is including fixing the installation pole that dustproof filter screen is close to and holds chamber one side, sliding the stop block that sets up on the installation pole and being used for driving the stop block and stretching out the elastic component of installation pole, set up on the lateral wall of the cabinet body and supply the installation pole to penetrate the hole of stepping down that holds the chamber, be equipped with the piece that resets that is used for driving the stop block to withdraw the installation pole in the cabinet body. This application has the efficient effect of deashing.

Description

Switch cabinet

Technical Field

The application relates to the technical field of electrical equipment, in particular to a switch cabinet.

Background

The main function of the switch cabinet is to open, close, control and protect electric equipment in the process of power generation, power transmission, power distribution and electric energy conversion of a power system, and electric elements such as a circuit breaker, an isolating switch, a load switch and a mutual inductor are assembled in the switch cabinet.

The electrical components in the switch cabinet inevitably generate heat during operation, and in order to discharge the heat out of the switch cabinet, heat dissipation holes are usually formed in the switch cabinet in the related art. After long-term use, accumulate the dust in the louvre easily, during the clearance staff need stretch into instruments such as rag into the louvre and manually clean, the deashing is inefficient, remains to be improved.

Disclosure of Invention

In order to improve deashing efficiency, this application provides a cubical switchboard.

The application provides a cubical switchboard adopts following technical scheme:

a switch cabinet comprises a cabinet body, wherein a containing cavity for containing electrical components is arranged in the cabinet body, heat dissipation holes communicated with the containing cavity are formed in the side wall of the cabinet body, a dustproof filter screen is detachably connected to the cabinet body through at least one group of mounting assemblies and abuts against one side, far away from the containing cavity, of the heat dissipation holes; the installation component is including fixing the installation pole that dustproof filter screen is close to and holds chamber one side, sliding the stop block that sets up on the installation pole and being used for driving the stop block and stretching out the elastic component of installation pole, set up on the lateral wall of the cabinet body and supply the installation pole to penetrate the hole of stepping down that holds the chamber, be equipped with the piece that resets that is used for driving the stop block to withdraw the installation pole in the cabinet body.

Through adopting above-mentioned technical scheme, dustproof filter screen not only can ensure the ventilation heat dispersion of the cabinet body, can also block during the dust gets into the louvre and holds the chamber by the external side of cabinet for difficult adhesion dust on louvre and the pore wall that holds the chamber is favorable to holding electrical components's in the chamber steady operation.

When assembling dustproof filter screen, will push the stop block in the installation pole earlier for the elastic component pressurized and produce elasticity will install the pole and penetrate from the hole of stepping down and hold the chamber, loosen the stop block back, the stop block can restore to the throne under the elastic action of elastic component and stretch out the installation pole, and the stop block is kept out on holding the chamber wall in chamber this moment, can effectively hinder dustproof filter screen and the separation of the cabinet body. When the dust on the dustproof filter screen is too much to be cleaned, the reset piece is firstly used for enabling the stop block to be collected into the installation rod, and then the installation rod is pushed to one side far away from the accommodating cavity, so that the dustproof filter screen and the cabinet body can be detached. During the deashing staff can take out dustproof filter screen earlier, and put dustproof filter screen under tap and wash or arrange the basin of full water in again and wash, above-mentioned cleaning method compares in the manual mode of cleaning the louvre pore wall one by one of manual, and the activity space of staff is bigger during the washing, deashing efficiency is higher.

Optionally, a sliding groove is formed in the side wall of the mounting rod, the stop block is slidably disposed in the sliding groove, and the minimum distance between the stop block and the dustproof filter screen is greater than the depth of the abdicating hole; the elastic piece comprises a positioning spring fixed between a groove wall of the sliding groove far away from the opening of the sliding groove and the stop block, and the telescopic direction of the positioning spring is parallel to the extending direction of the sliding groove.

Through adopting above-mentioned technical scheme, when positioning spring was in the natural state of not receiving extension or compression, the tip of stop block was located the installation pole outside, and it can penetrate to hold the chamber after the installation pole and block that the installation pole shifts out the cabinet body to improve the stability of dustproof filter screen when the cabinet body. The positioning spring has acting force towards one side, far away from the mounting rod, of the stop block, and the acting force can drive the stop block to keep a state that one end of the stop block extends out of the sliding groove, so that the limiting effect of the stop block on the mounting rod is improved.

Optionally, the reset piece includes the reset frame that sets up at cabinet internal wall, rotates the lead screw that resets of connecting on the reset frame and threaded connection on the reset lead screw, the reset piece is located the one side that the locating spring was kept away from to the stop, the length direction of reset lead screw is on a parallel with the slip direction of stop.

Through adopting above-mentioned technical scheme, when demolising dustproof filter screen, staff's accessible rotates the lead screw that resets for reset block moves to the one side that is close to the stop block, and then makes reset block push back the stop block in the spout. When the worker shifts out the installation rod and gives way the hole, need not the position of synchronous control stop block, convenient and fast more during the operation has improved the efficiency of demolising of dustproof filter screen.

Optionally, the reset screw rod is further connected with a butt block in a threaded manner, and the butt block is located on one side, away from the reset block, of the stop block.

Through adopting above-mentioned technical scheme, the installation pole stretches into and holds the chamber after, rotates the lead screw that resets for the butt piece is to the one side removal that is close to the stop block, compresses tightly the installation pole until the butt piece, has improved the stability of installation pole inlay dress when stepping down the hole and the joint strength of dustproof filter screen and the cabinet body.

Optionally, a plurality of partition plates distributed in the vertical direction are fixed on the cavity wall of the accommodating cavity, and through holes for the reset pieces to penetrate out are formed in the partition plates.

Through adopting above-mentioned technical scheme, the baffle can will hold the chamber and separate into a plurality of accommodation spaces, and electrical components installs respectively in the accommodation space of difference, has reduced each electrical components during operation and has disturbed each other, has improved the space utilization of the cabinet body.

Optionally, the cabinet body includes roof, bottom plate, four curb plates of setting between roof and bottom plate and articulate the door plant on one of them curb plate, the four corners of bottom plate is fixed with the cushion, a plurality of bleeder vents have been seted up on the bottom plate.

By adopting the technical scheme, when the switch cabinet is placed on the ground, the ventilating space is formed between the bottom plate and the ground, heat in the cabinet body can be discharged into the ventilating space through the ventilating holes, and then is taken away by flowing wind, so that the heat dissipation effect of the cabinet body is improved.

Optionally, be located the below be connected with driving motor on the baffle, driving motor's output shaft is towards the downside and is fixed with the baffle, set up the conducting hole with each bleeder vent one-to-one on the baffle, the baffle can rotate relative to the bottom plate under driving motor's effect to make bleeder vent and conducting hole stagger each other.

By adopting the technical scheme, when each conducting hole on the baffle plate is aligned with each air hole on the bottom plate one by one, heat on the inner side and the outer side of the cabinet body can be exchanged through the conducting holes and the air holes, and the heat dissipation effect is good. During ground ponding, staff's accessible driving motor orders about the baffle and rotates, and then makes conducting hole and bleeder vent stagger each other, and the baffle plays waterproof effect this moment. Ground accumulated water is not easy to enter the accommodating cavity to wet electrical elements, the electrical elements in the switch cabinet are not easy to have safety accidents such as short circuit, and the like, and potential safety hazards are reduced.

Optionally, the upside of bottom plate is provided with the stopper, set up the arc wall that supplies the stopper to stretch into on the lateral wall of baffle, the extending direction of arc wall is the same with the rotation direction of baffle, works as when one of them cell wall butt of stopper and arc wall, the conducting hole aligns with the bleeder vent.

Through adopting above-mentioned technical scheme, when the baffle makes stopper and one of them side cell wall butt of arc wall under the driving motor effect downturn, each conducting hole aligns with the bleeder vent each other, and the staff need not to aim at conducting hole and bleeder vent through people's eye during the operation, has improved the alignment accuracy and the efficiency of conducting hole and bleeder vent.

Optionally, the top surface of curb plate is equipped with the fixed slot that extends along vertical direction, and each fixed slot switches on each other and encloses to close and be formed with the fixed ring groove, the downside of roof is connected with the fixed ring piece that slides the setting in the fixed ring groove, set up the ventilation hole that a plurality of level extends on the fixed ring piece, be connected with the jacking piece that is used for driving fixed ring piece immigration or shifts out the fixed ring groove on the curb plate.

Through adopting above-mentioned technical scheme, when jacking piece drive retaining ring piece shifted out the curb plate, the ventilation hole exposes and can supply outside air current to get into and hold the chamber, helps the upper and lower both sides of the cabinet body to form the convection current to further improve the ventilation radiating effect of the cabinet body. After the ventilation is finished, the jacking piece is utilized to drive the fixed ring block to withdraw the side plate, and the fixed ring block can be accommodated in the fixed ring groove at the moment, so that the ventilation hole is exposed, dust or rainwater enters the accommodating cavity, and the dustproof and waterproof effects are good. The external environment of staff's accessible cubical switchboard changes the position of retaining ring piece, and then changes the operating condition in ventilation hole, and the practicality is strong.

Optionally, a set of ash blocking parts are connected to four side walls of the top plate in the horizontal direction respectively, each ash blocking part comprises an ash blocking plate with one end hinged to the top plate and a supporting plate hinged to the ash blocking plate and far away from one end of the top plate, one end of the supporting plate far away from the ash blocking plate is hinged to the side plate, and a ventilation gap communicated with the ventilation hole is formed between the supporting plate, the ash blocking plate and the side plate.

By adopting the technical scheme, when the fixed ring block is exposed out of the side plate, gas outside the cabinet body can flow to the ventilation hole from the ventilation gap so as to realize ventilation and heat dissipation of the cabinet body. The dust blocking plate is abutted against the outer side of the ventilation hole, plays a role in blocking dust from entering the ventilation hole from the horizontal direction, reduces the dust amount accumulated on the side wall of the ventilation hole, and improves the dustproof effect of the cabinet body. When jacking piece work is in order to drive fixed ring piece and roof vertical migration, backup pad and ash blocking plate can produce the adaptability thereupon and rotate, can not disturb the lift of fixed ring piece and roof.

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

1. the dustproof filter screen is positioned on one side of the heat dissipation hole, which is far away from the accommodating cavity, and plays a role of blocking dust from entering the heat dissipation hole;

2. after the dustproof filter screen is assembled in place, the reset screw rod is rotated to enable the abutting block to move to abut against the mounting rod, so that the mounting rod is not easy to move out of the abdicating hole, and the stability of the dustproof filter screen is high; when the dustproof filter screen is dismounted, the reset screw rod is rotated to enable the reset block to push the stop block back to the chute, and when a worker moves the mounting rod out of the abdicating hole, the position of the stop block does not need to be synchronously controlled, so that the operation is convenient;

3. when the fixed ring block is moved out of the side plate and the vent hole is exposed, and the conducting hole is aligned with the vent hole, air on the inner side and the outer side of the cabinet body can form convection in the vertical direction, and the ventilation and heat dissipation effects are good.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is an exploded view of an embodiment of the present application.

FIG. 3 is a schematic partial cross-sectional view highlighting a chute in the practice of the present application.

FIG. 4 is a schematic partial cross-sectional view highlighting a jacking member of an embodiment of the present application.

Description of the reference numerals:

1. a cabinet body; 11. a top plate; 111. a fixed ring block; 112. a vent hole; 12. a base plate; 121. air holes are formed; 122. a limiting block; 123. cushion blocks; 13. a side plate; 131. mounting grooves; 132. heat dissipation holes; 133. a hole of abdication; 134. a fixing groove; 135. a fixed ring groove; 136. a jacking piece; 14. a door panel; 2. an accommodating chamber; 3. a dustproof filter screen; 31. a dust-proof frame; 32. a network cable; 4. mounting the component; 41. mounting a rod; 411. a chute; 42. a stopper block; 43. a positioning spring; 44. a guide slope; 5. a reset member; 51. a reset frame; 52. resetting the screw rod; 53. a reset block; 54. resetting the hand wheel; 55. a butting block; 6. a partition plate; 61. a drive motor; 62. a baffle plate; 621. a via hole; 622. an arc-shaped slot; 7. a dust blocking member; 71. a dust blocking plate; 72. a support plate; 8. a ventilation gap.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a switch cabinet. Referring to fig. 1 and 2, the switch cabinet includes a cabinet body 1, the cabinet body 1 includes a top plate 11, a bottom plate 12 located right below the top plate 11, four side plates 13 fixedly disposed between the top plate 11 and the bottom plate 12, and a door panel 14 hinged on one of the side plates 13, a containing cavity 2 is formed by enclosing between the top plate 11, the side plates 13, and the bottom plate 12, and electrical components such as a circuit breaker and a load switch are installed in the containing cavity 2.

Referring to fig. 2 and 3, two opposite side plates 13 are provided with mounting grooves 131 on end surfaces thereof away from each other, the mounting grooves 131 and the groove walls close to the accommodating cavity 2 are provided with a plurality of heat dissipation holes 132 communicated with the accommodating cavity 2, and the heat dissipation holes 132 in the embodiment are provided with a plurality of heat dissipation holes distributed at equal intervals along the vertical direction. Be connected with the dustproof filter screen 3 that is arranged in mounting groove 131 on the curb plate 13, dustproof filter screen 3 includes dustproof frame 31 and fixes the net twine 32 that just is vertically and horizontally staggered and distributes at dustproof frame 31 inboard, and dustproof frame 31 can be dismantled with the cabinet body 1 through multiunit installation component 4 and be connected, and net twine 32 is located louvre 132 and keeps away from the one side that holds chamber 2 for it gets into louvre 132 and holds in the chamber 2 to separate the dust.

Referring to fig. 2 and 3, the mounting assemblies 4 in this embodiment are provided with four sets of mounting assemblies respectively located at four corners of the dust-proof frame 31, each set of mounting assembly 4 includes a mounting rod 41 fixed on one side of the dust-proof filter screen 3 close to the accommodating cavity 2, a stop block 42 slidably connected to the mounting rod 41, and an elastic member disposed in the mounting rod 41 and used for driving the stop block 42 to extend out of the mounting rod 41. The side walls of the mounting rods 41 are provided with sliding grooves 411 extending along the vertical direction, wherein the openings of the sliding grooves 411 on the two mounting rods 41 on the upper side face the upper side, the openings of the sliding grooves 411 on the two mounting rods 41 on the lower side face the lower side, and the stop block 42 is slidably arranged in the sliding grooves 411.

Referring to fig. 3, the elastic member includes a positioning spring 43 located in the sliding slot 411, one end of the positioning spring 43 is fixed on a slot wall of the sliding slot 411 away from the opening of the sliding slot, and the other end of the positioning spring 43 is fixedly connected with the stop block 42, and the extending and retracting direction of the positioning spring 43 is parallel to the extending direction of the sliding slot 411. When the positioning spring 43 is in a natural state of being unstretched or compressed, one end of the stopper 42 protrudes out of the slide slot 411. In other embodiments, the elastic member may be an elastic sheet or the like capable of generating elastic deformation, and any structure capable of achieving the effect of the elastic member in this embodiment may be used.

Referring to fig. 2 and 3, four abdicating holes 133 are formed in the groove wall of the mounting groove 131 close to the accommodating cavity 2, the abdicating holes 133 are respectively located at four corners of the mounting groove 131 and allow the mounting rod 41 to penetrate out, and the length of the mounting rod 41 is greater than the depth of the abdicating holes 133, so that the mounting rod 41 can extend into the accommodating cavity 2. The minimum distance between the stop block 42 and the dust-proof frame 31 is slightly larger than the depth of the yielding hole 133, so that the stop block 42 can be reset to be attached to the inner wall of the cabinet body 1 under the action of the positioning spring 43 after extending into the accommodating cavity 2, and the mounting rod 41 is blocked from moving out of the yielding hole 133.

Referring to fig. 2 and 3, when the dustproof filter screen 3 is assembled, the stopper 42 is firstly received in the sliding slot 411, the positioning spring 43 is compressed and deformed to generate elastic force, then each mounting rod 41 is respectively inserted into the corresponding abdicating hole 133, and the stopper 42 is blocked by the hole wall of the abdicating hole 133 and is kept in the state of being received in the sliding slot 411. When the stop block 42 moves out of the offset hole 133, the elastic force of the positioning spring 43 will drive the stop block 42 to automatically return, thereby blocking the mounting rod 41 from coming out of the offset hole 133. In order to facilitate the insertion of the installation rod 41, in this embodiment, the installation rod 41 and the end of the stop block 42 away from the dust-proof frame 31 are both provided with a guiding inclined surface 44, and the guiding inclined surface 44 is disposed toward the side close to the accommodating cavity 2. When the positioning spring 43 is in its natural state, the guide ramps 44 on the mounting rod 41 and the stop block 42 are coplanar.

Referring to fig. 2 and 3, in order to facilitate the removal of the dustproof filter screen 3, two sets of reset pieces 5 are respectively disposed on the side of the two side plates 13, which are provided with the heat dissipation holes 132, close to each other, and the reset pieces 5 are used for driving the stop block 42 to retract the mounting rod 41, wherein one set of reset piece 5 correspondingly controls two sets of upper and lower adjacent mounting assemblies 4 in one dustproof filter screen 3. The reset piece 5 comprises a reset frame 51 fixedly arranged on the side plate 13, a reset screw 52 rotatably connected to the reset frame 51 and two reset blocks 53 in threaded connection with the reset screw 52, wherein one reset block 53 is positioned right above the stop blocks 42 of the two mounting assemblies 4, the other reset block 53 is positioned right below the stop blocks 42 of the two mounting assemblies 4, and the reset block 53 is attached to the side plate 13, so that the reset block 13 cannot rotate along with the reset screw 52.

Referring to fig. 2 and 3, the reset screw 52 includes two screw thread sections distributed along a vertical direction, the screw thread directions of the two screw thread sections are opposite, one reset block 53 is screwed on the screw thread section located on the upper side, and the other reset block 53 is screwed on the screw thread section located on the lower side, so that the two reset blocks 53 can synchronously move to a side close to or far away from each other when the reset screw 52 rotates. In order to facilitate the operator to rotate the reset screw rod 52, a reset hand wheel 54 is fixedly arranged at the upper end of the reset screw rod 52. When the dustproof filter screen 3 is dismounted, the reset hand wheel 54 is rotated, so that the two reset blocks 53 move oppositely to push the stop block 42 back into the sliding groove 411, and at the moment, when the mounting rod 41 is moved out of the abdicating hole 133, a worker does not need to synchronously control the position of the stop block 42, and the operation is simple and convenient.

Referring to fig. 2 and 3, two threaded sections of the reset screw 52 are respectively in threaded connection with abutting blocks 55, the abutting blocks 55 are also attached to the side plate 13, the distance between the abutting blocks 55 and the reset block 53 on the same threaded section is greater than the thickness of the mounting rod 41 in the vertical direction, and the abutting blocks 55 and the reset block 53 are respectively located on the upper side and the lower side of the mounting rod 41 close to the same. After the dustproof filter screen 3 is assembled in place, the reset hand wheel 54 is rotated, so that the abutting block 55 compresses the mounting rod 41 close to the abutting block, at the moment, the mounting rod 41 is not easy to move out of the abdicating hole 133 under the action of the abutting block 55, and the connecting strength of the dustproof filter screen 3 and the side plate 13 is improved.

Referring to fig. 2, a plurality of partition boards 6 are fixed between the two side plates 13 with the heat dissipation holes 132, and the plurality of partition boards 6 are distributed along the vertical direction for dividing the accommodating cavity 2 into a plurality of accommodating spaces to respectively accommodate different electrical components. For not influencing the installation use of piece 5 that resets, all set up the through hole that supplies reset block 53 and butt piece 55 to wear out on every baffle 6.

Referring to fig. 3, a driving motor 61 is fixedly mounted on the lowermost partition plate 6, a baffle plate 62 is fixed to the driving motor 61 with its output shaft facing downward, and the baffle plate 62 is attached to the upper side of the bottom plate 12. The baffle plate 62 in this embodiment has a disc shape, and the baffle plate 62 can rotate relative to the base plate 12 under the action of the driving motor 61. The bottom plate 12 is provided with a plurality of air holes 121, the baffle plate 62 is provided with through holes 621 which are equal in number and correspond to the air holes 121 one by one, and when the through holes 621 are aligned with the air holes 121, air flow on the outer side of the cabinet body 1 can enter the accommodating cavity 2 through the through holes 621 and the air holes 121; when the via hole 621 and the vent hole 121 are staggered, the baffle plate 62 can prevent the water on the ground from permeating into the accommodating cavity 2 from bottom to top, and the waterproof effect is good.

Referring to fig. 3, a limiting block 122 is fixed on the upper side of the bottom plate 12, an arc-shaped groove 622 into which the limiting block 122 extends is formed in the circumferential side wall of the baffle plate 62, the central axis of the arc-shaped groove 622 is collinear with the central axis of the rotating shaft of the driving motor 61, and the extending direction of the arc-shaped groove 622 is the same as the rotating direction of the baffle plate 62. When the limiting block 122 abuts against one side wall of the arc-shaped groove 622, each conducting hole 621 aligns with the air hole 121; when the limiting block 122 abuts against the other side wall of the arc-shaped groove 622, each conducting hole 621 is staggered with the air hole 121, and the limiting block 122 and the arc-shaped groove 622 are arranged to help the baffle plate 62 to be accurately positioned.

Referring to fig. 1, in order to increase the gap between the bottom plate 12 and the ground, spacers 123 are respectively fixed on the lower side of the bottom plate 12 at four corners of the bottom plate in this embodiment, and the spacers 123 serve to elevate the bottom plate 12, thereby further improving the ventilation effect of the cabinet 1.

Referring to fig. 2 and 4, a fixing groove 134 extending in the vertical direction is formed in the top surface of each side plate 13, and the end portions of two adjacent fixing grooves 134 are communicated with each other, so that the four fixing grooves 134 can enclose to form a fixing ring groove 135. The downside fixedly connected with fixed ring piece 111 of roof 11, fixed ring piece 111 slides and sets up in fixed ring groove 135, and all seted up a plurality of ventilation holes 112 on four lateral walls of fixed ring piece 111 along the horizontal direction, and ventilation hole 112 extends along the horizontal direction. All be provided with a set of jacking piece 136 that is used for driving the vertical removal of fixed ring piece 111 in every fixed slot 134, jacking piece 136 in this embodiment is including setting up the jacking cylinder on fixed slot 134 diapire, the piston rod of jacking cylinder towards the upside and with fixed ring piece 111 fixed connection, each jacking cylinder drives its synchronous working through same control switch.

Referring to fig. 2 and 4, when the piston rod of the jacking cylinder extends, the fixing ring block 111 moves upwards to expose the vent hole 112, so that outside air can enter the accommodating cavity 2 from the vent hole 112 and form convection along the vertical direction of the cabinet body 1, and the ventilation and heat dissipation effects of the cabinet body 1 are further improved. When the cabinet body 1 is in an environment with more dust, the piston rod of the jacking cylinder is shortened, so that the fixed ring block 111 can be retracted into the fixed ring groove 135, and the dust is prevented from entering the accommodating cavity 2 from the vent hole 112.

Referring to fig. 2 and 4, a group of dust blocking members 7 are respectively connected to the periphery of the top plate 11 along the horizontal direction, each group of dust blocking members 7 respectively comprises a dust blocking plate 71 and a supporting plate 72 which are hinged to each other, one end, away from the supporting plate 72, of each dust blocking plate 71 is hinged to the top plate 11, one end, away from the dust blocking plate 71, of each supporting plate 72 is hinged to the side plate 13, and a ventilation gap 8 is formed between each supporting plate 72, each dust blocking plate 71 and each side plate 13. When the fixing ring block 111 extends out of the fixing ring groove 135, the ventilation gap 8 is communicated with the ventilation hole 112, air can enter the ventilation hole 112 through the ventilation gap 8, and the dust blocking plate 71 is used for blocking dust from entering the ventilation hole 112 from the horizontal direction, so that the dust prevention effect of the cabinet body 1 is improved.

The implementation principle of a switch cabinet in the embodiment of the application is as follows: when the switch cabinet is used, the jacking piece 136 is used for moving the fixed ring block 111 out of the fixed ring groove 135, the driving motor 61 is used for moving the baffle plate 62 to enable each conducting hole 621 to be aligned with the air vent 121, at the moment, air on the inner side and the outer side of the cabinet body 1 can form convection in the horizontal direction through the heat dissipation holes 132 on the side plates 13, and convection is formed in the vertical direction through the air vent 112 and the heat dissipation holes 132, so that the ventilation and heat dissipation effects are good. After long-term use, when a large amount of dust is accumulated on the dustproof filter screen 3, the reset lead screw 52 is rotated through the reset hand wheel 54, so that the reset block 53 pushes the stop block 42 close to the reset block back to the sliding groove 411, the mounting rod 41 is moved out of the abdicating hole 133, the dustproof filter screen 3 can be taken out and cleaned, the movement space of a hand is large during dust cleaning, and the dust cleaning efficiency is high.

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

Claims (5)

1. The utility model provides a switch cabinet, includes the cabinet body (1), be equipped with chamber (2) that hold that are used for holding electrical components in the cabinet body (1), set up on the lateral wall of the cabinet body (1) and hold louvre (132) of chamber (2) intercommunication, its characterized in that: the cabinet body (1) is detachably connected with a dustproof filter screen (3) through at least one group of mounting assemblies (4), and the dustproof filter screen (3) is abutted to one side of the heat dissipation hole (132) far away from the accommodating cavity (2); the mounting assembly (4) comprises a mounting rod (41) fixed on one side of the dustproof filter screen (3) close to the accommodating cavity (2), a stop block (42) arranged on the mounting rod (41) in a sliding mode and an elastic piece used for driving the stop block (42) to stretch out of the mounting rod (41), a yielding hole (133) for the mounting rod (41) to penetrate into the accommodating cavity (2) is formed in the side wall of the cabinet body (1), and a resetting piece (5) used for driving the stop block (42) to retract the mounting rod (41) is arranged in the cabinet body (1); a sliding groove (411) is formed in the side wall of the mounting rod (41), the stop block (42) is arranged in the sliding groove (411) in a sliding mode, and the minimum distance between the stop block (42) and the dustproof filter screen (3) is larger than the depth of the abdicating hole (133); the elastic piece comprises a positioning spring (43) fixed between a groove wall of the sliding groove (411) far away from the opening of the sliding groove and the stop block (42), and the expansion direction of the positioning spring (43) is parallel to the extension direction of the sliding groove (411); the reset piece (5) comprises a reset frame (51) arranged on the inner wall of the cabinet body (1), a reset screw rod (52) rotatably connected to the reset frame (51) and a reset block (53) in threaded connection with the reset screw rod (52), the reset block (53) is positioned on one side, away from the positioning spring (43), of the stop block (42), and the length direction of the reset screw rod (52) is parallel to the sliding direction of the stop block (42); the reset screw rod (52) is further in threaded connection with a butting block (55), and the butting block (55) is positioned on one side, away from the reset block (53), of the stop block (42); the cabinet body (1) comprises a top plate (11), a bottom plate (12), four side plates (13) arranged between the top plate (11) and the bottom plate (12) and a door plate (14) hinged on one side plate (13), fixing grooves (134) extending along the vertical direction are formed in the top surface of each side plate (13), each fixing groove (134) is communicated with each other and is surrounded to form a fixing ring groove (135), a fixing ring block (111) slidably arranged in the fixing ring groove (135) is connected to the lower side of the top plate (11), a plurality of horizontally extending ventilation holes (112) are formed in the fixing ring block (111), a jacking piece (136) used for driving the fixing ring block (111) to move into or out of the fixing ring groove (135) is connected to the side plate (13), each jacking piece (136) comprises a jacking cylinder arranged on the bottom wall of the fixing groove (134), and a piston rod of each jacking cylinder faces towards the upper side and is fixedly connected with the fixing ring block (111); roof (11) are connected with a set of ash blocking member (7) on four lateral walls along the horizontal direction respectively, ash blocking member (7) include that one end articulates ash blocking plate (71) on roof (11) and articulates backup pad (72) of keeping away from roof (11) one end in ash blocking plate (71), the one end that ash blocking plate (71) were kept away from in backup pad (72) articulates on curb plate (13), be formed with ventilation gap (8) with ventilation hole (112) intercommunication between backup pad (72), ash blocking plate (71) and curb plate (13).

2. A switchgear cabinet according to claim 1, characterized in that: the wall of the accommodating cavity (2) is fixedly provided with a plurality of partition plates (6) distributed along the vertical direction, and the partition plates (6) are provided with through holes for the reset pieces (5) to pass through.

3. A switchgear cabinet according to claim 1, characterized in that: cushion blocks (123) are fixed at four corners of the bottom plate (12), and a plurality of air holes (121) are formed in the bottom plate (12).

4. A switchgear cabinet according to claim 2, characterized in that: be located the below be connected with driving motor (61) on baffle (6), the output shaft of driving motor (61) is towards the downside and is fixed with baffle (62), set up conducting hole (621) with each bleeder vent (121) one-to-one on baffle (62), baffle (62) can rotate relative bottom plate (12) under driving motor (61)'s effect to make bleeder vent (121) and conducting hole (621) stagger each other.

5. A switchgear cabinet according to claim 4, characterized in that: the upside of bottom plate (12) is provided with stopper (122), set up arc wall (622) that supply stopper (122) to stretch into on the lateral wall of baffle (62), the extending direction of arc wall (622) is the same with the direction of rotation of baffle (62), works as when stopper (122) and one of them cell wall butt of arc wall (622), conducting hole (621) aligns with bleeder vent (121).

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