Control device of distribution box
Technical Field
The utility model relates to an electrical equipment technical field especially relates to a controlling means of block terminal.
Background
The distribution box is a mass parameter on data, generally forms a low-voltage forest according to electrical wiring, and requires that a switch device, a measuring instrument, a protective electrical appliance and an auxiliary device are assembled in a closed or semi-closed metal cabinet or on a screen to form the low-voltage distribution box. Through the retrieval, chinese patent that the publication number is CN206758889U of authorizing discloses an automatic control device of block terminal, its structure includes dangerous identification code, the start button, the switch button, the voltage display table, the current display table, adjustment button, protection device, the box, power source, the chamber door handle, the thermovent, the data plate, the block terminal chamber door, protection device is equipped with the PLC circuit board, metal casing, shift knob, current sensor, metal casing welds in the box right-hand member, the current sensor latter half is connected with the inside nestification of metal casing and is connected with the PLC circuit board electricity, the current sensor former half is together fixed with the metal casing on box surface, shift knob mechanical connection is on metal casing, the beneficial effects of the utility model: through the protection device who is equipped with, can carry out power-off protection to equipment when equipment electric leakage, make the circuit of equipment can not burnt out, can continue to drop into at once after the adjustment, factor of safety is high, can not influence people's life.
However, when the distribution box is switched on and off by a control circuit, current fluctuation is easily caused, so that the distribution box is heated and increased, if the heat cannot be timely dissipated, the damage of an electrical element is easily caused, a dust screen in the conventional distribution box is easily blocked by dust, the air intake is reduced, and the heat dissipation cannot meet the requirement, so that the control device of the distribution box is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the dust screen in the existing distribution box is easily blocked by dust to lead to the reduction of the air intake and the relatively poor heat dissipation effect, and providing a control device of a distribution box.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a control device of a distribution box comprises a box body, wherein a motor is fixedly arranged on the inner wall of the top of the box body, fan blades are fixedly arranged on an output shaft of the motor, transverse grooves are formed in the tops of the inner walls of two sides of the box body, fixed plates are fixedly arranged on the inner walls of the bottoms of the two transverse grooves, mounting holes are formed in one sides of the two fixed plates, the two mounting holes are internally and rotatably provided with a transverse shaft, a worm wheel is fixedly arranged on the transverse shaft, a worm is fixedly arranged on the output shaft of the motor and meshed with the worm wheel, racks are respectively and slidably connected in the two transverse grooves, fan-shaped gears are respectively fixedly arranged at two ends of the transverse shaft and meshed with corresponding racks, ventilation holes are respectively formed in two sides of the box body, a dustproof net is fixedly arranged in each ventilation hole, brush plates are respectively and fixedly arranged, the two brushes are respectively movably connected with one side of the two dustproof nets far away from each other.
Preferably, vertical grooves are formed in the inner walls of the bottoms of the two ventilation holes, dust collecting tanks are arranged in the two vertical grooves, and handles are fixedly mounted on one sides of the two dust collecting tanks, which are far away from each other, so that dust is collected.
Preferably, the inner walls of the bottoms of the two vertical grooves are fixedly provided with positioning pins, and the two dust collecting tanks are respectively movably sleeved outside the corresponding positioning pins to position the dust collecting tanks.
Preferably, all seted up on two horizontal tank bottom inner walls with correspond the ventilation hole intercommunication connecting hole, two racks all with the connecting hole sliding connection that corresponds, the motion of two racks of being convenient for leads the rack.
Preferably, the top of two racks is the one end of the return spring, and the other end of two return springs is the inner wall fixed connection of the top of the corresponding transverse groove to reset the racks.
Preferably, the central angles of the two sector gears are flat angles, and the supports are welded at the four corners of the bottom of the box body to protect the box body and prevent the box body from being corroded due to damp.
In the utility model, the control device of the distribution box drives the fan blades through the motor so as to accelerate the flow of air in the box body, thereby radiating heat of the electrical element;
in the utility model, a control device of block terminal, drive the worm through the motor output shaft and rotate, the worm drives the worm wheel and rotates, the worm wheel drives two sector gear rotations through the cross axle, two sector gear drive two brush boards respectively through the motion with corresponding rack and clear up the one side that two dust screens kept away from each other, two dust collecting tank collect the dust, sector gear continues to rotate and breaks away from with corresponding rack, two racks reset under the effect of two reset springs, two sector gear continue to rotate and drive two brush boards intermittent type nature and continue reciprocating motion and continue to clear up the dust screen, thereby prevent that the dust screen from taking place to block up, thereby guarantee electrical components's radiating effect;
the utility model has the advantages of reasonable design, guarantee the radiating effect of block terminal through intermittent type nature clearance dust screen to guarantee control system's normal operating, convenient to use, the reliability is high.
Drawings
Fig. 1 is a schematic structural diagram of a control device of a distribution box according to the present invention;
fig. 2 is a schematic structural diagram of a portion a of a control device of a distribution box according to the present invention;
fig. 3 is a schematic structural diagram of a part B of a control device of a distribution box according to the present invention.
In the figure: 1. a box body; 2. a motor; 3. a fan blade; 4. a worm gear; 5. a worm; 6. a transverse slot; 7. a fixing plate; 8. a horizontal axis; 9. a sector gear; 10. a rack; 11. a vent hole; 12. a dust screen; 13. brushing the board; 14. a return spring; 15. a vertical groove; 16. a dust collection tank; 17. positioning pins; 18. connecting holes; 19. and (4) a bracket.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a control device of a distribution box comprises a box body 1, a motor 2 is fixedly arranged on the inner wall of the top of the box body 1, a fan blade 3 is fixedly arranged on the output shaft of the motor 2, transverse grooves 6 are respectively arranged on the tops of the inner walls of two sides of the box body 1, fixing plates 7 are respectively fixedly arranged on the inner walls of the bottoms of the two transverse grooves 6, mounting holes are respectively arranged on one sides of the two fixing plates 7, the same transverse shaft 8 is rotatably arranged in the two mounting holes, a worm wheel 4 is fixedly arranged on the transverse shaft 8, a worm 5 is fixedly arranged on the output shaft of the motor 2, the worm 5 is meshed with the worm wheel 4, racks 10 are respectively and slidably connected in the two transverse grooves 6, sector gears 9 are respectively and fixedly arranged at two ends of the transverse shaft 8, the two sector gears 9 are respectively meshed with the, the bottom ends of the two racks 10 are fixedly provided with brush plates 13, one sides of the two brush plates 13 close to each other are fixedly provided with brushes, and the two brushes are movably connected with one sides of the two dust screens 12 far away from each other.
The utility model discloses in, all seted up vertical groove 15 on two ventilation hole 11 bottom inner walls, all be provided with collection dirt jar 16 in two vertical grooves 15, the equal fixed mounting in one side that two collection dirt jars 16 kept away from each other has the handle, collects the dust.
The utility model discloses in, equal fixed mounting has locating pin 17 on two vertical grooves 15 bottom inner walls, and two collection dirt jars 16 movable sleeve establish respectively in the locating pin 17 outside that corresponds, fix a position collection dirt jar 16.
The utility model discloses in, all seted up on 6 bottom inner walls of two transverse grooves and corresponded ventilation hole 11 intercommunication connecting hole 18, two racks 10 all with the 18 sliding connection of connecting hole that correspond, the motion of two racks 10 of being convenient for leads to rack 10.
The utility model discloses in, the equal fixedly connected with reset spring 14's in top one end of two racks 10, two reset spring 14's the other end all with the 6 top inner wall fixed connection of transverse groove that correspond, reset rack 10.
The utility model discloses in, two sector gear 9's central angle are the straight angle, and 1 bottom four corners of box has all welded support 19, protects box 1, prevents that box 1 from being affected by tide by the corruption.
In the utility model, when in use, the fan blade 3 is driven by the motor 2 to accelerate the air flow in the box body 1, thereby to electrical components's heat dissipation, motor 2 output shaft drives worm 5 and rotates simultaneously, worm 5 drives worm wheel 4 and rotates, worm wheel 4 drives two sector gear 9 rotations through cross axle 8, two sector gear 9 drive two brush boards 13 through the motion with corresponding rack 10 respectively and clear up the one side of keeping away from each other two dust screens 12, two collection dirt jars 16 are collected the dust, sector gear 9 continues to rotate and takes place to break away from with corresponding rack 10, two rack 10 reset under two reset spring 14's effect, two sector gear 9 continue to rotate and drive two brush boards 13 intermittent type nature and continue to last up-and-down reciprocating motion and continuously clear up dust screen 12, thereby prevent that dust screen 12 from taking place to block up, thereby guarantee electrical components's radiating effect.