CN115912114A

CN115912114A - Wall-mounted direct-current power box

Info

Publication number: CN115912114A
Application number: CN202211583949.XA
Authority: CN
Inventors: 樊建正; 刘洋; 姚啸
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-10
Filing date: 2022-12-10
Publication date: 2023-04-04

Abstract

The invention discloses a wall-mounted direct-current power box which comprises a power box body, wherein a box door is arranged at one end of the power box body, a storage box is arranged on the outer wall of the top of the power box body, a plurality of radiating holes are formed in two sides of the power box body, a plurality of air holes are formed in the bottom of the power box body, an installation plate is fixedly connected to the inner wall below the power box body, a plurality of exhaust fans are arranged on the outer wall of the installation plate, a mixing box is arranged above the inside of the power box body, foaming agents are filled in the mixing box, a partition plate is fixedly connected to the inner wall in the middle of the storage box in a sealing mode, and aluminum sulfate solution and sodium bicarbonate solution are respectively contained in the spaces on two sides of the partition plate. When fire breaks out in the power box body, the fire extinguisher does not need to be held by hands manually to extinguish the fire, the fire can be automatically extinguished, the fire in the power box body can be extinguished at the primary stage of fire breaking, and the loss caused by the fire is reduced.

Description

Wall-mounted direct-current power box

Technical Field

The invention relates to the technical field of wall-mounted direct-current power supplies, in particular to a wall-mounted direct-current power supply box.

Background

The wall-mounted direct-current power box is suitable for small-sized switch stations, small-sized user transformer substations and small-sized 10KV transformer substation systems, adopts an integrated design idea, and consists of a rectifying module, a monitoring module, a voltage reduction unit, a power distribution unit and a battery installation box; has the characteristics of small volume, simple structure, independent system formation and the like.

The wall-mounted direct-current power supply box is internally provided with dense electronic accessories, the electronic accessories can generate a large amount of heat during operation, the existing wall-mounted direct-current power supply box can be provided with a heat dissipation mechanism to dissipate heat inside the wall-mounted direct-current power supply box, but the wall-mounted direct-current power supply box does not have the function of automatically extinguishing a fire, and when the electronic accessories or the heat dissipation mechanism inside the wall-mounted direct-current power supply box break down, a fire disaster is very easy to happen, and the fire disaster needs to be extinguished manually.

In view of the above, the present invention provides a wall-mounted dc power box to solve the above problems in the prior art.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a wall-mounted direct-current power box.

In order to achieve the purpose, the invention adopts the following technical scheme:

wall-hanging DC power supply box, including the power supply box body, power supply box body one end is provided with the chamber door, and power supply box body top outer wall is provided with the bin, power supply box body both sides are provided with a plurality of thermovents, and power supply box body bottom has seted up a plurality of bleeder vents, power supply box body below inner wall fixedly connected with mounting panel, and the mounting panel outer wall is provided with a plurality of suction fans, the inside top of power supply box body is provided with the mixing box, and the mixing box inside packing has the foamer, the sealed fixedly connected with division board of bin middle part inner wall, and division board both sides space has held aluminium sulfate solution and sodium bicarbonate solution respectively, be provided with the connecting pipe between bin and the mixing box, and the connecting pipe outer wall all is provided with the ball valve, ball valve one end all is provided with gear one, power supply box body both sides all peg graft and have the person in charge, and be responsible for one end fixed connection in mixing box outer wall, be responsible for bottom outer wall intercommunication has inferior connecting pipe, and inferior connecting pipe one side outer wall is provided with a plurality of conveyer pipes, conveyer pipe one end all runs through the power supply box body and extends to its inside, and draw the injector head, the mixing box bottom is provided with the injector head and draws the mechanism.

Further, draw mechanism draws including drawing the case, draw the equal sliding connection of case both sides inner wall of drawing and have the slide, and the slide with draw the incasement wall of drawing and all be provided with connecting spring two, connecting spring two is in by tensile state, slide bottom one side all is provided with the transmission case.

Furtherly, transfer case bottom inner wall fixedly connected with magnetic path, and magnetic path top outer wall has placed paraffin block, and a plurality of through-holes have all been seted up to transfer case both sides outer wall, and magnetic sheet has been placed to paraffin block top outer wall, and the magnetic path attracts magnetic sheet, magnetic sheet upper end and slide contact.

Furtherly, draw and be provided with the sliding groove directly over the drawing case, and the sliding groove is located mixing box top outer wall, the equal sliding connection of sliding groove both sides inner wall has rack two, sliding groove middle part fixedly connected with riser, all be provided with coupling spring one between riser and the rack two, mixing box both sides outer wall all is provided with two leading wheels, rack two and the meshing of gear one, the equal fixedly connected with haulage rope two of two one side outer walls of rack, two one end of haulage rope extend under the leading wheel guide draw incasement portion and fixed connection in slide one side outer wall, haulage rope two is in the state of straightening, coupling spring one is in by tensile state.

Further, every the equal sealed rotation of thermovent inner wall is connected with the closing plate, and is provided with L type groove directly over the closing plate, L type groove corner inner wall fixedly connected with deflector, two fixed plates of the equal fixedly connected with of power supply box body inner wall, the fixed plate middle part is rotated through the torsional spring and is connected with pivot one, closing plate top outer wall is provided with haulage rope one, and haulage rope one end is passed L type groove and is twined under the deflector guide at a pivot outer wall.

Further, fixedly connected with backup pad between the fixed plate, and the backup pad top is provided with pivot two, the equal fixedly connected with bevel gear two in two ends of pivot two, pivot one top fixedly connected with bevel gear one, bevel gear one and bevel gear two meshing, the equal sliding connection in mixing box both sides has rack one, rack one end sliding connection in backup pad top outer wall, pivot two middle part fixedly connected with gear two, gear two and rack one meshing.

Furthermore, every thermovent top inner wall all is provided with accomodates the chamber, and accomodate chamber bottom sliding connection and have the barrier plate, and the barrier plate bottom is hugged closely with the closing plate, is provided with connecting spring three between barrier plate top and the accomodating chamber.

Further, every the thermovent bottom all is provided with the circular slot, and the circular slot rotates through the torsional spring and is connected with pivot three, and the winding of three outer walls in pivot has the dust removal filter screen, dust removal filter screen one end fixed connection in closing plate bottom outer wall.

The invention has the beneficial effects that:

1. when fire breaks out in the power box body, the temperature in the power box body rises, paraffin blocks between the magnetic plate and the magnetic block are melted due to the temperature rise, so that the magnetic plate moves downwards when the magnetic block absorbs the magnetic plate and does not block the sliding plate, the sliding plate slides under the resilience of the first connecting spring, the stretched traction rope II becomes loose, the rack II in the sliding groove moves under the resilience of the first connecting spring, the ball valve in the connecting pipe is opened through the meshing of the rack II and the gear I, aluminum sulfate solution and sodium bicarbonate solution in the storage box flow into the mixing box to be mixed to generate a large amount of carbon dioxide gas, foaming agents are stored in the mixing box, a spraying head sprays a large amount of carbon dioxide and foam which can be adhered to a combustion object, burnt substances are isolated from air, the temperature is reduced, the fire extinguishing purpose is achieved, the fire can be extinguished without manually holding the fire extinguisher, the fire can be automatically extinguished, and the fire loss caused by the fire can be reduced.

2. In the invention, in the process of moving the sliding plate in the pulling box, force is applied to the first racks on the two sides of the pulling box, so that the first racks extend out of the pulling box, the first racks slide on the supporting plate, in the process, the first racks are meshed with the second gear teeth on the second rotating shaft, and the first rotating shaft rotates through the meshing of the first bevel gears on the two ends of the second rotating shaft and the second bevel gears on the first rotating shaft, so that the first traction rope is loosened from the first rotating shaft, the sealing plate can seal the heat dissipation port, most of external oxygen is isolated from entering the power box body, and the fire extinguishing efficiency and effect are greatly improved.

3. According to the invention, the blocking plate can be always attached to the outer wall of the top of the sealing plate through the elastic force of the third connecting spring, so that the space at the upper part of the sealing plate can be sealed, and the dust removal filter screen is arranged in the circular groove, so that when the sealing plate is opened and the heat dissipation port is not sealed, outside air enters the power box body through the heat dissipation port, the air flow can be filtered, and the situation that solid particles such as outside dust and impurities enter the power box body to cause damage to electronic elements is prevented.

Drawings

FIG. 1 is a schematic structural diagram of a wall-mounted DC power box;

FIG. 2 is a schematic cross-sectional view of a power box body of a wall-mounted DC power box;

FIG. 3 is a schematic diagram of a mixing box structure of a wall-mounted DC power box;

fig. 4 is a schematic structural diagram of a pulling box of a wall-mounted dc power box;

FIG. 5 is a schematic view of an upper end structure of a rotating shaft of a wall-mounted DC power box;

FIG. 6 is a schematic cross-sectional view of a heat sink of a wall-mounted DC power box;

FIG. 7 is a schematic cross-sectional view of a receiving cavity of a wall-mounted DC power box;

fig. 8 is a schematic diagram of a circular groove structure of a wall-mounted dc power box.

In the figure: 1. a power box body; 2. a secondary connecting pipe; 3. a delivery pipe; 4. a main pipe; 5. a heat dissipation port; 6. a storage tank; 7. a box door; 8. a first rotating shaft; 9. a first traction rope; 10. an injector head; 11. aluminum sulfate solution; 12. a partition plate; 13. sodium bicarbonate solution; 14. a mixing box; 15. a fixing plate; 16. an exhaust fan; 17. mounting a plate; 18. air holes are formed; 19. a first rack; 20. a guide wheel; 21. a second rack; 22. a ball valve; 23. a connecting pipe; 24. a sliding slot; 25. a first connecting spring; 26. a vertical plate; 27. a first gear; 28. a second traction rope; 29. a transfer box; 30. a pulling box; 31. a second connecting spring; 32. a slide plate; 33. a magnetic plate; 34. a paraffin block; 35. a magnetic block; 36. a through hole; 37. a first bevel gear; 38. a second bevel gear; 39. a second rotating shaft; 40. a second gear; 41. a support plate; 42. sealing plates; 43. an L-shaped groove; 44. a guide plate; 45. a third connecting spring; 46. a receiving cavity; 47. a blocking plate; 48. a circular groove; 49. a dust removal filter screen; 50. and a third rotating shaft.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example 1

Referring to fig. 1 to 4, a wall-mounted dc power supply box includes a power supply box body 1, a box door 7 is provided at one end of the power supply box body 1, a storage box 6 is provided on an outer wall of a top portion of the power supply box body 1, a plurality of heat dissipation ports 5 are provided at both sides of the power supply box body 1, a plurality of vent holes 18 are provided at a bottom portion of the power supply box body 1, a mounting plate 17 is fixedly connected to an inner wall of a lower portion of the power supply box body 1, a plurality of suction fans 16 are provided on an outer wall of the mounting plate 17, a mixing box 14 is provided above an inner portion of the power supply box body 1, and a foaming agent is filled in the mixing box 14, a partition plate 12 is fixedly connected to an inner wall of a middle portion of the storage box 6 in a sealing manner, and a space at both sides of the storage box 12 contains an aluminum sulfate solution 11 and a sodium bicarbonate solution 13, a connection pipe 23 is provided between the storage box 6 and the mixing box 14, and the connection pipe 23 is provided with a ball valve 22 on an outer wall, a gear 27 is provided at one end of the power supply box body 1, a main pipe 4 is inserted into both sides of the power supply box body 1, and a large amount of carbon dioxide gas is injected into the mixing box 10, a carbon dioxide gas injection head 10, and a carbon dioxide gas injection head is provided in the mixing mechanism for injecting head 10, and a carbon dioxide gas injection head 14, can adhere on the comburent, make the material that is firing keep apart with the air to reduce the temperature reaches the purpose of putting out a fire, need not artifical handheld fire extinguisher and put out a fire, can put out a fire automatically, just can put out the conflagration in the power supply box body 1 at the primary stage of catching a fire, reduce the loss that the conflagration brought.

As a further embodiment of the present invention, the pulling mechanism includes a pulling box 30, sliding plates 32 are slidably connected to both inner walls of the pulling box 30, a second connecting spring 31 is provided on both inner walls of the sliding plates 32 and the pulling box 30, the second connecting spring 31 is in a stretched state, and a transmission box 29 is provided on one side of the bottom end of the sliding plates 32.

As a further scheme of the present invention, the inner wall of the bottom of the transfer box 29 is fixedly connected with a magnetic block 35, the outer wall of the top of the magnetic block 35 is provided with a paraffin block 34, the outer walls of both sides of the transfer box 29 are provided with a plurality of through holes 36, the outer wall of the top of the paraffin block 34 is provided with a magnetic plate 33, the magnetic block 35 attracts the magnetic plate 33, the upper end of the magnetic plate 33 is in contact with the sliding plate 32, when a fire breaks out, the internal temperature of the power supply box body 1 rises, the melting point of the paraffin block 34 is 57-63 ℃, so that the paraffin block 34 melts into liquid, and the magnetic plate 35 attracts the magnetic plate 33, so that the magnetic plate 35 moves downward under the suction force of the magnetic plate 35 when the paraffin block 34 melts, and the melted paraffin block 34 is extruded through the through holes 36 until the magnetic plate 35 completely enters the transfer box 29, and does not block the sliding plate 32, so that the sliding plate 32 moves toward one end of the pulling box 30 under the resilience force of the stretched connecting spring two 31.

As a further scheme of the present invention, a sliding groove 24 is provided right above the pulling box 30, the sliding groove 24 is located on the outer wall of the top of the mixing box 14, the inner walls of both sides of the sliding groove 24 are slidably connected with a rack two 21, the middle part of the sliding groove 24 is fixedly connected with a vertical plate 26, a connecting spring one 25 is provided between the vertical plate 26 and the rack two 21, the outer walls of both sides of the mixing box 14 are provided with two guide wheels 20, the rack two 21 is engaged with a gear one 27, the outer wall of one side of the rack two 21 is fixedly connected with a traction rope two 28, one end of the traction rope two 28 extends into the pulling box 30 under the guidance of the guide wheels 20 and is fixedly connected to the outer wall of one side of the sliding plate 32, the traction rope two 28 is in a stretched state, the connecting spring one 25 is in a stretched state, in the process that the sliding plate 32 moves towards one end of the pulling box 30, the stretched traction rope two 28 is loosened, so that the rack two 28 cannot move towards the position of the vertical plate 26 under the resilience force of the sliding plate 25, thereby driving the gear 27 engaged therewith, and the ball valve 22 is rotated and applied with a force.

The working principle is as follows: when a fire occurs, the internal temperature of the power supply box body 1 rises, the melting point of the paraffin block 34 is 57-63 ℃, so that the paraffin block 34 is melted into liquid, the magnetic plate 35 attracts the magnetic plate 33, the magnetic plate 35 moves downwards under the action of the attraction force of the magnetic plate 35 when the paraffin block 34 is melted, meanwhile, the melted paraffin block 34 is extruded out through the through hole 36 until the magnetic plate 35 completely enters the transfer box 29 without blocking the sliding plate 32, so that the sliding plate 32 moves towards one end of the pulling box 30 under the action of the resilience force of the stretched connecting spring II 31, the stretched pulling rope II 28 is loosened in the process that the sliding plate 32 moves towards one end of the pulling box 30, and the pulling rope II 28 cannot apply force to the rack II 21 in the arc-shaped groove 24, two 21 racks are under the resilience effect of the connecting spring 25 by tensile, move to riser 26 department, thereby can drive a 27 rotations of gear with it meshing, make ball valve 22 open, thereby make connecting pipe 23 intercommunication, make aluminium sulfate solution 11 and the interior mixture of baking soda solution 13 inflow mixing box 14 in the bin 6, produce a large amount of carbon dioxide gas, and store the foaming agent in the mixing box 14, thereby make the shower nozzle 10 spout a large amount of carbon dioxide and foam, can adhere on the comburent, make the material that is being fired keep apart with the air, and the low temperature, reach the purpose of putting out a fire, need not artifical handheld fire extinguisher and put out a fire, can put out a fire automatically, just can put out a fire with the conflagration in the power supply box body 1 at the primary stage of catching a fire, reduce the loss that the conflagration brought.

Example 2

Referring to fig. 1-6, a wall-mounted dc power box, a power box body 1, a box door 7 is disposed at one end of the power box body 1, a storage box 6 is disposed on the outer wall of the top of the power box body 1, a plurality of heat dissipation ports 5 are disposed on two sides of the power box body 1, a plurality of air vents 18 are disposed at the bottom of the power box body 1, a mounting plate 17 is fixedly connected to the inner wall of the lower portion of the power box body 1, a plurality of suction fans 16 are disposed on the outer wall of the mounting plate 17, a mixing box 14 is disposed above the inner portion of the power box body 1, a foaming agent is filled in the mixing box 14, a partition plate 12 is fixedly connected to the inner wall of the middle portion of the storage box 6 in a sealing manner, aluminum sulfate solution 11 and sodium bicarbonate solution 13 are respectively contained in the spaces on two sides of the partition plate 12, a connecting pipe 23 is disposed between the storage box 6 and the mixing box 14, a ball valve 22 is disposed on the outer wall of the connecting pipe 23, a first gear 27 is disposed at one end of the ball valve 22, a main pipe 4 is inserted in two sides of the power box body 1, one end of the main pipe 4 is fixedly connected to the outer wall of the mixing box 14, a secondary connecting pipe 2 is communicated with a secondary connecting pipe 2, a plurality of secondary connecting pipe 3 disposed on the outer wall of a plurality of conveying pipes 3, one end of conveying pipe 3, and a plurality of conveying pipe 10 disposed in the conveying pipe.

As a further scheme in the invention, the inner wall of the bottom of the transfer box 29 is fixedly connected with a magnetic block 35, the outer wall of the top of the magnetic block 35 is provided with a paraffin block 34, the outer walls of two sides of the transfer box 29 are respectively provided with a plurality of through holes 36, the outer wall of the top of the paraffin block 34 is provided with a magnetic plate 33, the magnetic block 35 attracts the magnetic plate 33, and the upper end of the magnetic plate 33 is in contact with the sliding plate 32.

As a further scheme of the invention, a sliding groove 24 is arranged right above the pulling box 30, the sliding groove 24 is positioned on the outer wall of the top of the mixing box 14, the inner walls of two sides of the sliding groove 24 are both connected with a rack II 21 in a sliding manner, the middle part of the sliding groove 24 is fixedly connected with a vertical plate 26, a connecting spring I25 is arranged between the vertical plate 26 and the rack II 21, the outer walls of two sides of the mixing box 14 are both provided with two guide wheels 20, the rack II 21 is meshed with a gear I27, the outer wall of one side of the rack II 21 is both fixedly connected with a traction rope II 28, one end of the traction rope II 28 extends into the pulling box 30 under the guidance of the guide wheels 20 and is fixedly connected to the outer wall of one side of the sliding plate 32, the traction rope II 28 is in a stretched state, and the connecting spring I25 is in a stretched state.

As a further scheme of the invention, the inner wall of each heat dissipation port 5 is rotatably connected with a sealing plate 42 in a sealing manner, an L-shaped groove 43 is arranged right above the sealing plate 42, the inner wall of the corner of the L-shaped groove 43 is fixedly connected with a guide plate 44, the inner wall of the power box body 1 is fixedly connected with two fixing plates 15, the middle part of each fixing plate 15 is rotatably connected with a first rotating shaft 8 through a torsion spring, the outer wall of the top of the sealing plate 42 is provided with a first traction rope 9, one end of the first traction rope 9 penetrates through the L-shaped groove 43 and is wound on the outer wall of the first rotating shaft 8 under the guide of the guide plate 44, and the first traction rope 9 is wound on the outer wall of the first rotating shaft 8 under the action of the torsion spring, so that the sealing plate 42 in the heat dissipation port 5 can be opened through pulling of the first traction rope 9, and the heat dissipation port 5 can exchange air flow with the outside.

As a further scheme of the present invention, a supporting plate 41 is fixedly connected between the fixing plates 15, a second rotating shaft 39 is disposed above the supporting plate 41, a second bevel gear 38 is fixedly connected to both ends of the second rotating shaft 39, a first bevel gear 37 is fixedly connected to the top end of the first rotating shaft 8, the first bevel gear 37 is engaged with the second bevel gear 38, a first rack 19 is slidably connected to both sides of the mixing box 14, one end of the first rack 19 is slidably connected to the outer wall of the top of the supporting plate 41, a second gear 40 is fixedly connected to the middle of the second rotating shaft 39, the second gear 40 is engaged with the first rack 19, when a fire occurs, the sliding plate 32 moves towards one end of the pulling box 30, the first rack 19 is pushed to extend out of the pulling box 30, the first rack 19 slides on the outer wall of the top of the supporting plate 41, the second rotating shaft 39 rotates through the engagement of the first rack 19 and the second gear 40, the second rotating shaft 39 is engaged with the first bevel gears 37 on the first rotating shaft 8 through the second bevel gears 38 at both ends, so that the first rotating shaft 8 rotates, the first pulling rope 9 is loosened, thereby sealing plate 42 sealing the heat dissipating port 5 is sealed, most of the fire extinguishing box, and the oxygen isolated from the inside of the extinguishing box body 1 is greatly improved.

The working principle is as follows: the first traction rope 9 is wound on the outer wall of the first rotating shaft 8 under the action of the torsion spring, so that the sealing plate 42 in the heat dissipation port 5 can be opened by pulling the first traction rope 9, and the heat dissipation port 5 exchanges air flow with the outside; when the sliding plate 32 moves towards one end of the pulling box 30 in case of fire, the sliding plate 32 can be in contact with one end of the first rack 19, so that the first rack 19 is pushed to extend out of the pulling box 30, the first rack 19 slides on the outer wall of the top of the supporting plate 41, the second rotating shaft 39 rotates through the meshing of the first rack 19 and the second gear 40, the second rotating shaft 39 is meshed with the first bevel gear 37 on the first rotating shaft 8 through the second bevel gears 38 at the two ends, the first rotating shaft 8 rotates, the first traction rope 9 wound on the outer wall of the first rotating shaft is loosened, the sealing plate 42 seals the heat dissipation port 5, most of external oxygen is isolated from entering the power box body 1, and the fire extinguishing efficiency and effect are greatly improved.

Example 3

Referring to fig. 1-8, a wall-mounted dc power box, a power box body 1, a box door 7 is disposed at one end of the power box body 1, a storage box 6 is disposed on the outer wall of the top of the power box body 1, a plurality of heat dissipation ports 5 are disposed on two sides of the power box body 1, a plurality of air vents 18 are disposed at the bottom of the power box body 1, a mounting plate 17 is fixedly connected to the inner wall of the lower portion of the power box body 1, a plurality of exhaust fans 16 are disposed on the outer wall of the mounting plate 17, a mixing box 14 is disposed above the inner portion of the power box body 1, a foaming agent is filled in the mixing box 14, a partition plate 12 is fixedly connected to the inner wall of the middle portion of the storage box 6 in a sealing manner, aluminum sulfate solution 11 and sodium bicarbonate solution 13 are respectively contained in the spaces on two sides of the partition plate 12, a connecting pipe 23 is disposed between the storage box 6 and the mixing box 14, a ball valve 22 is disposed on the outer wall of the connecting pipe 23, a gear 27 is disposed at one end of the ball valve 22, a main pipe 4 is inserted into two sides of the power box body 1, one end of the main pipe 4 is fixedly connected to the outer wall of the mixing box body, a secondary connecting pipe 2 is communicated with a secondary connecting pipe 2, a plurality of conveying pipes 3 disposed on the outer wall of the inner wall of the main pipe 1, and a spraying head mechanism 10 disposed in the mixing box body.

As a further scheme in the invention, the inner wall of the bottom of the transfer box 29 is fixedly connected with a magnetic block 35, the outer wall of the top of the magnetic block 35 is provided with a paraffin block 34, the outer walls of two sides of the transfer box 29 are provided with a plurality of through holes 36, the outer wall of the top of the paraffin block 34 is provided with a magnetic plate 33, the magnetic block 35 attracts the magnetic plate 33, and the upper end of the magnetic plate 33 is in contact with the sliding plate 32.

As a further scheme of the invention, the inner wall of each heat dissipation opening 5 is hermetically and rotatably connected with a sealing plate 42, an L-shaped groove 43 is formed right above the sealing plate 42, the inner wall of the corner of the L-shaped groove 43 is fixedly connected with a guide plate 44, the inner wall of the power box body 1 is fixedly connected with two fixing plates 15, the middle parts of the fixing plates 15 are rotatably connected with a first rotating shaft 8 through torsion springs, the outer wall of the top of the sealing plate 42 is provided with a first traction rope 9, and one end of the first traction rope 9 penetrates through the L-shaped groove 43 and is wound on the outer wall of the first rotating shaft 8 under the guide of the guide plate 44.

As a further scheme of the invention, a supporting plate 41 is fixedly connected between the fixing plates 15, a rotating shaft II 39 is arranged above the supporting plate 41, bevel gear II 38 is fixedly connected at both ends of the rotating shaft II 39, a bevel gear I37 is fixedly connected at the top end of the rotating shaft I8, the bevel gear I37 is meshed with the bevel gear II 38, racks I19 are slidably connected at both sides of the mixing box 14, one end of each rack I19 is slidably connected to the outer wall of the top of the supporting plate 41, a gear II 40 is fixedly connected at the middle part of the rotating shaft II 39, and the gear II 40 is meshed with the rack I19.

As a further scheme of the present invention, a storage cavity 46 is provided on the inner wall of the top of each heat dissipation opening 5, and a blocking plate 47 is slidably connected to the bottom of the storage cavity 46, the bottom end of the blocking plate 47 is tightly attached to the sealing plate 42, a third connecting spring 45 is provided between the top of the blocking plate 47 and the storage cavity 46, when the sealing plate 42 is pulled by the first traction rope 9 to swing upward, the sealing plate 42 applies a force to the blocking plate 47, so that one end of the blocking plate compresses the third connecting spring 45, and when the sealing plate 42 seals the sealing opening 5, the bottom end of the blocking plate 47 is tightly attached to the sealing plate 42 under the resilience of the third connecting spring 45, so that the lower end of the blocking plate 47 is always tightly attached to the outer wall of the top of the sealing plate 42, thereby intermittently sealing the upper portion of the sealing plate 42, and preventing solid particles such as dust and impurities from entering the power box body 1 from the outside, which may cause damage electronic components.

As a further scheme of the present invention, a circular groove 48 is provided at the bottom of each heat dissipation opening 5, the circular groove 48 is rotatably connected to a third rotating shaft 50 through a torsion spring, a dust removal filter screen 49 is wound around the outer wall of the third rotating shaft 50, one end of the dust removal filter screen 49 is fixedly connected to the outer wall of the bottom of the sealing plate 42, when the sealing plate 42 does not seal the heat dissipation opening 5, the sealing plate 42 can pull out the dust removal filter screen 49 in the circular groove 48 from the circular groove 48, so as to filter the exchanged air flow, and prevent the external solid particles such as dust and impurities from entering the power supply box body 1 to cause the damage of electronic components.

The working principle is as follows: when the sealing plate 42 is pulled by the first traction rope 9 to swing upwards, the sealing plate 42 applies force to the blocking plate 47, one end of the blocking plate is enabled to compress the third connecting spring 45, when the sealing plate 42 seals the sealing opening 5, the bottom end of the blocking plate 47 is tightly attached to the sealing plate 42 under the effect of resilience force of the third connecting spring 45, therefore, the lower end of the blocking plate 47 is always tightly attached to the outer wall of the top of the sealing plate 42, the intermittence of the upper portion of the sealing plate 42 can be sealed, and when the sealing plate 42 is not sealed with the heat dissipation opening 5, the sealing plate 42 can pull out the dust removal filter screen 49 in the circular groove 48 from the circular groove 48, so that exchanged air flow can be filtered, and solid particles such as external dust and impurities are prevented from entering the power box body 1 to cause the condition that electronic elements are damaged.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. Wall-hanging direct current power box, including power box body (1), power box body (1) one end is provided with chamber door (7), and power box body (1) top outer wall is provided with bin (6), power box body (1) both sides are provided with a plurality of thermovents (5), and power box body (1) bottom has seted up a plurality of bleeder vents (18), power box body (1) below inner wall fixedly connected with mounting panel (17), and mounting panel (17) outer wall is provided with a plurality of suction fan (16), its characterized in that, power box body (1) inside top is provided with mixing box (14), and mixing box (14) inside packing has the foamer, bin (6) middle part inner wall sealing fixedly connected with division board (12), and division board (12) both sides space has held aluminium sulfate solution (11) and sodium bicarbonate solution (13) respectively, be provided with connecting pipe (23) between bin (6) and mixing box (14), and connecting pipe (23) outer wall all is provided with connecting pipe (22), ball valve (22) one end all is provided with gear one (27), power box body (1) both sides all have the person in charge of 4) both sides and be connected to ball valve (4) fixed connection, and be responsible for ball valve (4) outer wall connection, mixing box (14) bottom is connected to be connected with connecting pipe (2), and inferior connecting pipe (2) one side outer wall is provided with a plurality of conveyer pipes (3), conveyer pipe (3) one end all runs through power supply box body (1) and extends to its inside, and conveyer pipe (3) one end in power supply box body (1) all is provided with injector head (10), mixing box (14) bottom is provided with and draws dragging the mechanism.

2. The wall-mounted direct-current power box according to claim 1, wherein the pulling mechanism comprises a pulling box (30), sliding plates (32) are connected to inner walls of two sides of the pulling box (30) in a sliding mode, a second connecting spring (31) is arranged on each of the inner walls of the sliding plates (32) and the pulling box (30), the second connecting springs (31) are in a stretched state, and a transmission box (29) is arranged on one side of the bottom end of each sliding plate (32).

3. The wall-mounted direct-current power supply box according to claim 2, wherein the magnetic block (35) is fixedly connected to the inner wall of the bottom of the transmission box (29), the paraffin block (34) is placed on the outer wall of the top of the magnetic block (35), a plurality of through holes (36) are formed in the outer walls of the two sides of the transmission box (29), the magnetic plate (33) is placed on the outer wall of the top of the paraffin block (34), the magnetic block (35) attracts the magnetic plate (33), and the upper end of the magnetic plate (33) is in contact with the sliding plate (32).

4. The wall-mounted direct-current power box according to claim 3, characterized in that a sliding groove (24) is formed right above the pulling box (30), the sliding groove (24) is located on the outer wall of the top of the mixing box (14), two side inner walls of the sliding groove (24) are connected with a second rack (21) in a sliding mode, a vertical plate (26) is fixedly connected to the middle of the sliding groove (24), a first connecting spring (25) is arranged between the vertical plate (26) and the second rack (21), two guide wheels (20) are arranged on the outer walls of two sides of the mixing box (14), the second rack (21) is meshed with the first gear (27), a second pulling rope (28) is fixedly connected to the outer wall of one side of the second rack (21), one end of the second pulling rope (28) is guided by the guide wheels (20) to extend into the pulling box (30) and is fixedly connected to the outer wall of one side of the sliding plate (32), the second pulling rope (28) is in a stretched state, and the first connecting spring (25) is in a stretched state.

5. The wall-mounted direct-current power box according to claim 4, characterized in that a sealing plate (42) is rotatably connected to the inner wall of each heat dissipation opening (5) in a sealing manner, an L-shaped groove (43) is formed right above the sealing plate (42), a guide plate (44) is fixedly connected to the inner wall of the corner of the L-shaped groove (43), two fixing plates (15) are fixedly connected to the inner wall of the power box body (1), a first rotating shaft (8) is rotatably connected to the middle of each fixing plate (15) through a torsion spring, a first traction rope (9) is arranged on the outer wall of the top of each sealing plate (42), and one end of each first traction rope (9) penetrates through the L-shaped groove (43) and is wound on the outer wall of the first rotating shaft (8) under the guide of the guide plate (44).

6. The wall-mounted direct-current power box according to claim 5, wherein a supporting plate (41) is fixedly connected between the fixing plates (15), a second rotating shaft (39) is arranged above the supporting plate (41), two ends of the second rotating shaft (39) are fixedly connected with a second bevel gear (38), a first bevel gear (37) is fixedly connected to the top end of the first rotating shaft (8), the first bevel gear (37) is meshed with the second bevel gear (38), two sides of the mixing box (14) are slidably connected with a first rack (19), one end of the first rack (19) is slidably connected to the outer wall of the top of the supporting plate (41), a second gear (40) is fixedly connected to the middle of the second rotating shaft (39), and the second gear (40) is meshed with the first rack (19).

7. The wall-mounted direct-current power box according to claim 6, wherein a receiving cavity (46) is formed in the inner wall of the top of each heat dissipation opening (5), a blocking plate (47) is connected to the bottom of the receiving cavity (46) in a sliding mode, the bottom end of the blocking plate (47) is attached to the sealing plate (42) in a clinging mode, and a third connecting spring (45) is arranged between the top of the blocking plate (47) and the receiving cavity (46).

8. The wall-mounted direct-current power box according to claim 7, wherein a circular groove (48) is formed in the bottom of each heat dissipation opening (5), a third rotating shaft (50) is rotatably connected to the circular groove (48) through a torsion spring, a dust removing filter screen (49) is wound on the outer wall of the third rotating shaft (50), and one end of the dust removing filter screen (49) is fixedly connected to the outer wall of the bottom of the sealing plate (42).