CN220233787U - Dustproof power distribution cabinet - Google Patents
Dustproof power distribution cabinet Download PDFInfo
- Publication number
- CN220233787U CN220233787U CN202321559028.XU CN202321559028U CN220233787U CN 220233787 U CN220233787 U CN 220233787U CN 202321559028 U CN202321559028 U CN 202321559028U CN 220233787 U CN220233787 U CN 220233787U
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- cavity
- rotating shaft
- piston
- cabinet body
- air inlet
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- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 238000007664 blowing Methods 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000009423 ventilation Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 25
- 239000000428 dust Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Prevention Of Fouling (AREA)
Abstract
The utility model discloses a dustproof power distribution cabinet, which relates to the technical field of power distribution cabinets, and comprises a base and a cabinet body, wherein a cavity is formed in the base, and a ventilation window communicated with the cavity is formed in the rear side of the base; the cavity is internally provided with a rotating shaft along the transverse direction, the middle part of the rotating shaft is in transmission connection with a driving mechanism, and two ends of the rotating shaft are in transmission connection with a blowing mechanism. This dustproof switch board, through the cooperation setting of mechanism of blowing and pressure release subassembly, not only can make the internal atmospheric pressure of cabinet be greater than external atmospheric pressure all the time, thereby effectively prevent that the dust from getting into the cabinet internal, and through the cooperation setting of blast pipe and gas vent, can make the internal air of blowing into cabinet blow respectively to each electrical components, thereby make each electrical components evenly dispel the heat, in addition, through utilizing piston compressed air, make the air blow to electrical components's mode, can effectively accelerate electrical components peripheral air flow rate, the radiating effect is improved.
Description
Technical Field
The utility model relates to the technical field of power distribution cabinets, in particular to a dustproof power distribution cabinet.
Background
The power distribution cabinet is the distribution subassembly that is used often, and the distribution cabinet includes the cabinet body and sets up in the internal distribution module of cabinet, and the distribution cabinet can produce a large amount of heat when using generally, consequently needs better heat dissipation, so all can set up louvre and fan subassembly on the cabinet body, and the fan is dispelled the heat from the outside cold air of louvre suction recently.
In China, patent application number: the utility model discloses a dustproof switch board in CN202222601142.6, the structure includes the cabinet body, and air inlet and gas outlet have been seted up to the cabinet body, and the air inlet installation is equipped with dustproof mechanism, and dustproof mechanism includes the rectangle box, and dustproof switch board still includes: the filter piece is arranged at one end of the dustproof mechanism close to the air inlet and is detachably connected with the dustproof mechanism. This dustproof switch board is through utilizing the exhaust fan to the air of arranging in the switch board to set up the filter between dustproof mechanism and rectangle box, thereby filter the air, prevent that the dust from getting into in the switch board, however, in the course of the work, some electrical components can't be blown by the air of exhaust fan, thereby make this some electrical components unable effectual heat dissipation, in addition, because this dustproof switch board utilizes the filter to filter the air, after the filter works for a long time, the filter is blocked by the dust easily, thereby make the rate that the air got into the switch board reduce, and then lead to the air exchange in the switch board to slow down, influence the radiating effect.
Therefore, it is necessary to provide a dustproof power distribution cabinet to solve the above problems.
Disclosure of Invention
The utility model aims to provide a dustproof power distribution cabinet, which is used for solving the problems that in the prior art, air is discharged into the power distribution cabinet by utilizing an exhaust fan, and a filter piece is arranged between a dustproof mechanism and a rectangular box body, so that the air is filtered, and dust is prevented from entering the power distribution cabinet.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: a dustproof power distribution cabinet comprises a base and a cabinet body, wherein a cavity is formed in the base, and a ventilation window communicated with the cavity is formed in the rear side of the base; a rotating shaft is transversely arranged in the cavity, the middle part of the rotating shaft is in transmission connection with a driving mechanism, and two ends of the rotating shaft are in transmission connection with a blowing mechanism; the blowing mechanism comprises a box body, a connecting rod and a crank, wherein a circular cavity is longitudinally formed in the box body, a filter screen, a one-way air inlet valve and a piston are longitudinally arranged in the circular cavity at intervals, the one-way air inlet valve divides the circular cavity into a front cavity and a rear cavity, the filter screen is fixedly arranged at the tail end of the rear cavity, and the piston is arranged in the front cavity in a matched mode; the outer side of the piston is hinged with a connecting rod, the other end of the connecting rod is rotatably sleeved on the connecting rod, and the connecting rods in the two blowing mechanisms are respectively positioned at two sides of the rotating shaft; one end of the crank is connected with the rotating shaft fixing strip, the other end of the crank is fixedly connected with the connecting rod, and the driving mechanism can synchronously drive the two pistons to alternately reciprocate when driving the rotating shaft to rotate; an exhaust hole is formed in the front cavity between the piston and the one-way air inlet valve, the exhaust hole is close to the one-way air inlet valve, and a one-way exhaust valve is arranged in the exhaust hole; the cabinet body is fixedly arranged on the base, a sealing door is arranged in a matching manner, and a pressure relief assembly is arranged at the top of the cabinet body; the inside symmetry fixed mounting of the cabinet body has the blast pipe, and the top of two blast pipes is sealed, and the lower extreme is linked together with preceding cavity through the exhaust hole, and a plurality of gas vents have been seted up to one side that sealing door was kept away from to two blast pipes.
Preferably, the driving mechanism comprises a motor and a worm and gear assembly, the motor and the worm and gear assembly are respectively and fixedly arranged at the bottom of the base cavity, an output shaft of the motor is fixedly connected with the worm, and the worm wheel is sleeved on the rotating shaft.
Preferably, when the piston is located at the starting point, the distance between the outer side of the piston and the front end of the circular chamber is a, the distance between the inner side of the piston and the one-way air inlet valve is b, and the stroke of the piston from the starting point to the ending point is c, wherein b > c > a >0.
Preferably, the pressure relief assembly comprises a sliding rod, an elastic piece and a sealing cover, wherein the top of the cabinet body is provided with a pressure relief opening, and the sealing cover is arranged in a matching manner; the top of the cabinet body is fixedly provided with a plurality of sliding rods along the pressure relief opening, and the top ends of the sliding rods penetrate through the sealing cover and are fixedly provided with a stop block; the elastic piece is sleeved on the sliding rod between the stop block and the sealing cover, and in an initial state, the sealing cover is tightly contacted with the pressure relief opening under the action of the elastic piece.
Preferably, a screw rod is arranged in the rear cavity between the one-way air inlet valve and the filter screen, one end of the screw rod is fixedly connected with the valve plug of the one-way air inlet valve, and the other end of the screw rod penetrates through the filter screen; the middle part of the filter screen is provided with a through hole, a fixed sleeve is arranged in a matching way, and a rotary pipe is arranged in the fixed sleeve in a rotary way; the rotary pipe is matched with the screw rod, and the tail end of the rotary pipe is fixedly provided with a hairbrush which is closely contacted with the filter screen.
Advantageous effects
Compared with the prior art, the dustproof power distribution cabinet is unique in structure and convenient to use, comprises a driving mechanism, a blowing mechanism and a pressure relief assembly, and can enable air pressure in the cabinet body to be always larger than external atmospheric pressure through the matching arrangement of the blowing mechanism and the pressure relief assembly, so that dust is effectively prevented from entering the cabinet body, air blown into the cabinet body can be blown to each electric appliance element respectively through the matching arrangement of an exhaust pipe and an exhaust port, and accordingly each electric appliance element can uniformly dissipate heat.
Drawings
FIG. 1 is a schematic perspective view of the structure of the present utility model;
FIG. 2 is a schematic perspective rear view of the structure of the present utility model;
FIG. 3 is a schematic cross-sectional view of the structure of the present utility model;
FIG. 4 is an internal schematic view of the base structure of the present utility model;
FIG. 5 is a schematic cross-sectional view of a base structure of the present utility model;
FIG. 6 is a schematic side view of the case structure of the present utility model;
fig. 7 is an enlarged schematic view of the structure of the area a in fig. 5 according to the present utility model.
In the figure: 1. a base; 2. a cabinet body; 3. sealing the door; 4. a slide bar; 5. an elastic member; 6. sealing cover; 7. a ventilation window; 8. a case; 9. a one-way air inlet valve; 10. a filter screen; 11. a fixed sleeve; 12. a rotary tube; 13. a screw rod; 14. a brush; 15. a piston; 16. a connecting rod; 17. a motor; 18. a worm gear assembly; 19. a rotating shaft; 20. a crank; 21. and an exhaust pipe.
Description of the embodiments
The utility model will be further described with reference to the drawings and examples.
Examples
The embodiment 1 provides a dustproof power distribution cabinet, which is directly improved on the existing dustproof power distribution cabinet, has a unique structure, is shown with reference to figures 1-7, and comprises a base 1 and a cabinet body 2, wherein a cavity is formed in the base 1, and a ventilation window 7 communicated with the cavity is formed in the rear side of the base 1; a rotating shaft 19 is transversely arranged in the cavity, the middle part of the rotating shaft 19 is in transmission connection with a driving mechanism, and two ends of the rotating shaft 19 are in transmission connection with a blowing mechanism; the driving mechanism comprises a motor 17 and a worm and gear assembly 18, the motor 17 and the worm and gear assembly 18 are respectively and fixedly arranged at the bottom of the cavity of the base 1, an output shaft of the motor 17 is fixedly connected with a worm, and a worm wheel is sleeved on a rotating shaft 19.
The blowing mechanism comprises a box body 8, a connecting rod and a crank 20, wherein a circular cavity is longitudinally formed in the box body 8, a filter screen 10, a one-way air inlet valve 9 and a piston 15 are longitudinally arranged in the circular cavity at intervals, the one-way air inlet valve 9 divides the circular cavity into a front cavity and a rear cavity, the filter screen 10 is fixedly arranged at the tail end of the rear cavity, and the piston 15 is arranged in the front cavity in a matched manner; the outer side of the piston 15 is hinged with a connecting rod 16, the other end of the connecting rod 16 is rotatably sleeved on the connecting rod, and the connecting rods in the two blowing mechanisms are respectively positioned at two sides of the rotating shaft 19; one end of the crank 20 is fixedly connected with the fixed bar of the rotating shaft 19, the other end of the crank is fixedly connected with the connecting rod, and the driving mechanism can synchronously drive the two pistons 15 to alternately reciprocate when driving the rotating shaft 19 to rotate; when the piston 15 is at the starting point, the distance between the outer side of the piston 15 and the front end of the round chamber is a, the distance between the inner side of the piston 15 and the one-way air inlet valve 9 is b, and the stroke of the piston 15 from the starting point to the ending point is c, wherein b > c > a >0, so that the pistons 15 in the two blowing mechanisms are not separated from the front chamber and are not contacted with the one-way air inlet valve 9 when in reciprocating motion.
An exhaust hole is formed in the front chamber between the piston 15 and the one-way air inlet valve 9, the exhaust hole is close to the one-way air inlet valve 9, and a one-way exhaust valve is arranged in the exhaust hole; the cabinet body 2 is fixedly arranged on the base 1 and is provided with a sealing door 3 in a matching way, and the top of the cabinet body 2 is provided with a pressure relief assembly; the pressure relief assembly comprises a sliding rod 4, an elastic piece 5 and a sealing cover 6, a pressure relief opening is formed in the top of the cabinet body 2, and the sealing cover 6 is installed in a matched mode; a plurality of sliding rods 4 are fixedly arranged at the top of the cabinet body 2 along the pressure relief opening, and the top ends of the sliding rods 4 penetrate through the sealing cover 6 and are fixedly provided with a stop block; the sliding rod 4 between the stop block and the sealing cover 6 is sleeved with the elastic piece 5, under the initial state, the sealing cover 6 is tightly contacted with the pressure relief opening under the action of the elastic piece 5, and the pressure relief assembly is utilized to ensure that the air pressure in the cabinet body 2 is always greater than the external atmospheric pressure, so that dust is prevented from entering the cabinet body 2 from the gap of the cabinet body 2, the exhaust pipes 21 are symmetrically and fixedly arranged in the cabinet body 2, the top ends of the two exhaust pipes 21 are sealed, the lower ends of the two exhaust pipes are communicated with the front cavity through the exhaust holes, and a plurality of exhaust ports are formed in one side of the two exhaust pipes 21 away from the sealing door 3.
When the dustproof power distribution cabinet is used for protecting electric elements, the motor 17 is started firstly, and the motor 17 synchronously drives the rotating shaft 19 to rotate through the worm and gear assembly 18, so that the two connecting rods are driven to synchronously act; because the two connecting rods are respectively positioned at the two sides of the rotating shaft 19, in the initial state, the pistons 15 in the two blowing mechanisms are respectively positioned at the starting point and the ending point, so that the driving mechanism drives the two blowing mechanisms to synchronously act, and simultaneously, the pistons 15 in the two blowing mechanisms alternately act, thereby continuously sucking the outside air into the cavity of the base 1 from the ventilation window 7; air is sucked into the circular cavity after being filtered by the filter screen 10 and is discharged into the exhaust pipe 21 through the exhaust hole, and finally is discharged from the exhaust hole and blown to the electric element, so that the air flow rate around the electric element is accelerated, and the heat dissipation effect is improved; because the cabinet body 2 is in sealed state, and two blowing mechanism blow in air in the cabinet body 2 in turn, thereby make the atmospheric pressure in the cabinet body 2 be greater than external atmospheric pressure all the time, thereby prevent that the dust from getting into in the cabinet body 2 from the cabinet body 2 gap, when the internal atmospheric pressure of cabinet is continuously increased, until being greater than elastic component 5 to sealing cover 6's clamp force, sealing cover 6 separates with the pressure release mouth, gaseous follow the pressure release mouth discharge, through the cooperation setting of actuating mechanism, blowing mechanism and pressure release subassembly, not only can prevent effectively that the dust from getting into in the cabinet body 2, moreover can accelerate the peripheral air flow rate of electrical components, improve the radiating effect.
Examples
Embodiment 2 differs from embodiment 1 in that, as shown in fig. 6 and 7, a screw rod 13 is disposed in the rear chamber between the unidirectional air intake valve 9 and the filter screen 10, one end of the screw rod 13 is fixedly connected with the valve plug of the unidirectional air intake valve 9, and the other end penetrates through the filter screen 10; the middle part of the filter screen 10 is provided with a through hole, a fixed sleeve 11 is arranged in a matching way, and a rotary pipe 12 is arranged in the fixed sleeve 11 in a rotary way; the rotary pipe 12 is matched with the spiral rod 13, the hairbrush 14 is fixedly arranged at the tail end of the rotary pipe 12, the hairbrush 14 is closely contacted with the filter screen 10, when the piston 15 is sucking air and exhausting air, the valve plug of the one-way air inlet valve 9 can be driven to move, the spiral rod 13 is driven to move, the spiral rod 13 drives the rotary pipe 12 to rotate when moving, and the hairbrush 14 is synchronously driven to rotate when the rotary pipe 12 rotates, so that the filter screen 10 is cleaned, dust is prevented from blocking meshes, and the air filtering speed is influenced.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a dustproof switch board, includes base (1) and cabinet body (2), its characterized in that: the inside of the base (1) is provided with a cavity, and the rear side of the base (1) is provided with a ventilation window (7) communicated with the cavity; a rotating shaft (19) is transversely arranged in the cavity, the middle part of the rotating shaft (19) is in transmission connection with a driving mechanism, and two ends of the rotating shaft (19) are in transmission connection with a blowing mechanism; the blowing mechanism comprises a box body (8), a connecting rod and a crank (20), wherein a circular cavity is longitudinally formed in the box body (8), a filter screen (10), a one-way air inlet valve (9) and a piston (15) are longitudinally arranged in the circular cavity at intervals, the one-way air inlet valve (9) divides the circular cavity into a front cavity and a rear cavity, the filter screen (10) is fixedly arranged at the tail end of the rear cavity, and the piston (15) is arranged in the front cavity in a matched mode; the outer side of the piston (15) is hinged with a connecting rod (16), the other end of the connecting rod (16) is rotatably sleeved on the connecting rod, and the connecting rods in the two blowing mechanisms are respectively positioned at two sides of the rotating shaft (19); one end of the crank (20) is connected with a fixed bar of the rotating shaft (19), the other end of the crank is fixedly connected with the connecting rod, and the driving mechanism can synchronously drive the two pistons (15) to alternately reciprocate when driving the rotating shaft (19) to rotate; an exhaust hole is formed in the front cavity between the piston (15) and the one-way air inlet valve (9), the exhaust hole is close to the one-way air inlet valve (9), and a one-way exhaust valve is arranged in the exhaust hole; the cabinet body (2) is fixedly arranged on the base (1) and is provided with a sealing door (3) in a matching manner, and the top of the cabinet body (2) is provided with a pressure relief assembly; the inside symmetry fixed mounting of cabinet body (2) has blast pipe (21), and the top of two blast pipes (21) is sealed, and the lower extreme is linked together with preceding cavity through the exhaust hole, and a plurality of gas vents have been seted up to one side that sealing door (3) were kept away from to two blast pipes (21).
2. A dustproof power distribution cabinet according to claim 1, characterized in that: the driving mechanism comprises a motor (17) and a worm and gear assembly (18), the motor (17) and the worm and gear assembly (18) are respectively and fixedly arranged at the bottom of the cavity of the base (1), an output shaft of the motor (17) is fixedly connected with a worm, and a worm wheel is sleeved on a rotating shaft (19).
3. A dustproof power distribution cabinet according to claim 1, characterized in that: when the piston (15) is positioned at the starting point, the distance between the outer side of the piston (15) and the front end of the round chamber is a, the distance between the inner side of the piston (15) and the one-way air inlet valve (9) is b, and the stroke of the piston (15) from the starting point to the ending point is c, wherein b > c > a >0.
4. A dustproof power distribution cabinet according to claim 1, characterized in that: the pressure relief assembly comprises a sliding rod (4), an elastic piece (5) and a sealing cover (6), wherein a pressure relief opening is formed in the top of the cabinet body (2), and the sealing cover (6) is installed in a matched mode; a plurality of sliding rods (4) are fixedly arranged at the top of the cabinet body (2) along the pressure relief opening, and the top ends of the sliding rods (4) penetrate through the sealing cover (6) and are fixedly provided with a stop block; an elastic piece (5) is sleeved on the sliding rod (4) between the stop block and the sealing cover (6), and in an initial state, the sealing cover (6) is tightly contacted with the pressure relief opening under the action of the elastic piece (5).
5. A dustproof power distribution cabinet according to claim 1, characterized in that: a spiral rod (13) is arranged in a rear cavity between the one-way air inlet valve (9) and the filter screen (10), one end of the spiral rod (13) is fixedly connected with a valve plug of the one-way air inlet valve (9), and the other end of the spiral rod penetrates through the filter screen (10); the middle part of the filter screen (10) is provided with a through hole, a fixed sleeve (11) is arranged in a matching way, and a rotary pipe (12) is arranged in the fixed sleeve (11) in a rotary way; the rotary pipe (12) is matched with the screw rod (13), the tail end of the rotary pipe (12) is fixedly provided with a hairbrush (14), and the hairbrush (14) is tightly contacted with the filter screen (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321559028.XU CN220233787U (en) | 2023-06-19 | 2023-06-19 | Dustproof power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321559028.XU CN220233787U (en) | 2023-06-19 | 2023-06-19 | Dustproof power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220233787U true CN220233787U (en) | 2023-12-22 |
Family
ID=89172769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321559028.XU Active CN220233787U (en) | 2023-06-19 | 2023-06-19 | Dustproof power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220233787U (en) |
-
2023
- 2023-06-19 CN CN202321559028.XU patent/CN220233787U/en active Active
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