CN115038281A

CN115038281A - High-voltage power supply generator

Info

Publication number: CN115038281A
Application number: CN202210880126.7A
Authority: CN
Inventors: 屈琰; 左锋锋; 云霄; 苏楠; 黄灿; 李蕾; 范欣
Original assignee: Xidian University Engineering Technology Research Institute Co ltd
Current assignee: Xidian University Engineering Technology Research Institute Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-09-09

Abstract

The invention provides a high-voltage power supply generator, which relates to the technical field of power supply generators, and is characterized in that when the phenomenon of short circuit of electronic components on a circuit board caused by external moisture or dust entering an inner shell is avoided under a severe environment, a driving device drives a shielding component to close a vent, so that the power supply generator can still normally work, and the moisture dropping on the inner shell can absorb the heat emitted by the power supply generator; when the phenomenon that electronic components on a circuit board are short-circuited due to the fact that external moisture or dust enters the inner shell under the severe environment is avoided, the driving device drives the shielding component to close the vent, the power generator can still work normally, and the moisture dropping on the inner shell can absorb heat emitted by the power generator.

Description

High-voltage power supply generator

Technical Field

The invention relates to the technical field of power generators, in particular to a high-voltage power generator.

Background

In modern electrical equipment, the high-voltage power supply generator has a very wide application range, is indispensable equipment in equipment such as radars, x-ray machines, electron microscopes, lasers and the like, adopts a high-voltage power supply with power frequency input, transformer boosting and voltage doubling rectification output, generates a large amount of heat during high-load operation,

in order to satisfy high voltage power supply's normal heat dissipation, generally all set up the notch on the casing, do benefit to the air convection and dispel the heat, but under the adverse circumstances, inside dust or water easily got into the casing from the notch, caused the use hidden danger.

Disclosure of Invention

The invention aims to provide a high-voltage power supply generator, and aims to solve the problem that a shell of the high-voltage power supply generator in the prior art is inconvenient to use in a severe environment.

In order to realize the purpose, the invention adopts the following technical scheme: a high-voltage power supply generator comprises an inner shell, wherein two opposite outer side surfaces of the inner shell are respectively provided with a vent for allowing external air to enter or discharge; the limiting assemblies are arranged on two opposite inner side surfaces of the inner shell, and the two shielding parts respectively slide in the limiting assemblies on the two opposite inner side surfaces of the inner shell; the driving device is arranged in the inner shell and used for driving the shielding component to open or close the ventilation opening; and a circuit board and a power generator both disposed inside the inner case.

According to a further technical scheme, the limiting assembly comprises limiting plates which are arranged at intervals up and down, and the shielding component slides between the two limiting plates along the length direction of the shielding component.

According to a further technical scheme, the shielding component comprises a shielding plate, two connecting arms are fixedly arranged on one side of the shielding plate, sliding grooves are formed in the upper side and the lower side of the shielding component respectively, and a water absorbing layer is arranged on the outer side of the shielding plate.

According to a further technical scheme of the invention, the driving device comprises a driving source and a first transmission assembly.

According to a further technical scheme, the first transmission assembly comprises two rotating shafts rotatably mounted in the inner shell, one rotating shaft is connected with the output end of the driving source, gears are fixedly mounted at positions, close to the two ends of each rotating shaft, of the rotating shafts, racks are mounted on the two connecting arms respectively, the gears at the same ends of the two rotating shafts are in meshed connection, and the two gears at the same ends of the two rotating shafts are in meshed connection with the racks on the two connecting arms respectively.

The invention has the further technical scheme that the top opening of the inner shell is provided and sleeved with the outer shell, and the outer shell can slide up and down relative to the inner shell.

The invention has the further technical scheme that a bulge is formed on the outer wall of the inner shell in an outward protruding mode, and a notch matched with the bulge in a sliding mode is formed in the bottom of the outer shell in an upward mode.

According to a further technical scheme, a second transmission assembly is further arranged between the shielding component and the inner top wall of the outer shell, when the driving device drives the shielding component to slide and close the vent, the outer shell completely shields the vent, and when the driving device drives the shielding component to slide and open the vent, the outer shell rises and exposes the vent under the action of the second transmission assembly.

According to a further technical scheme, the second transmission assembly comprises an inclined plate fixedly mounted on the shielding component and a roller mounted on the inner bottom wall of the outer shell, and the roller abuts against an inclined surface of the inclined plate.

The invention has the further technical scheme that an anti-falling structure is arranged between the boss and the outer shell to limit the outer shell to be separated from the inner shell when moving upwards.

The invention has the beneficial effects that:

when inside getting into interior casing for avoiding outside moisture or dust under adverse circumstances, and cause the phenomenon of electronic components short circuit on the circuit board, shelter from the part through the drive arrangement drive and close the vent, can guarantee the work that the power generator still can be normal, the moisture that drips on interior casing can absorb the heat that the power generator gived off.

Drawings

FIG. 1 is a schematic perspective view of a vent according to the present invention in a closed state;

FIG. 2 is a schematic view of the interior of the inner housing of the present invention;

FIG. 3 is a schematic illustration of the exploded structure of FIG. 2 of the present invention;

FIG. 4 is a schematic view of the vent of the present invention in an open state;

FIG. 5 is a perspective view of the shield member and the driving device in combination;

FIG. 6 is a schematic perspective view of the shield member and the position-limiting plate of the present invention in a combined state;

FIG. 7 is a schematic structural view of a second transmission assembly in another embodiment of the present invention;

FIG. 8 is a schematic perspective view of an outer housing opening vent in accordance with another embodiment of the present invention;

fig. 9 is a schematic perspective view of an outer casing closing a vent according to another embodiment of the present invention.

In the figure: 10. an inner housing; 11. a side surface; 12. a vent; 13. a boss portion; 14. a limiting plate; 141. an insertion portion; 20. a shielding member; 21. a shielding plate; 22. a connecting arm; 23. a chute; 24. a water-absorbing layer; 30. a drive device; 31. a drive source; 32. a first transmission assembly; 321. a rotating shaft; 322. a gear; 323. a rack; 40. an outer housing; 41. a notch; 50. a power supply generator; 60. an anti-falling structure; 61. a long groove; 62. a thread plate; 63. a bolt; 70. a circuit board; 80. a second transmission assembly; 81. a sloping plate; 82. and a roller.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1 to 4, a high voltage power generator includes an inner housing 10, and ventilation openings 12 are respectively formed on two opposite outer sides 11 of the inner housing 10 for allowing external air to enter or exit; the inner housing 10 further comprises a driving device 30 for driving the shielding member 20 to open or close the vent 12, and a circuit board 70 and a power generator 50 electrically connected to the circuit board 70 are disposed inside the inner housing 10.

In this embodiment, in order to ensure that the power generator 50 can normally dissipate heat under high load operation in a sunny day or a cloudy day, the driving device 30 drives the shielding component 20 to open the vent 12, so that air can normally enter or be discharged from the inner housing 10, thereby achieving heat dissipation, and effectively avoiding the problems of line aging and service life reduction caused by failure to dissipate heat in time; when in a severe environment, such as a rainy day or other humid environments, in order to prevent the electronic components on the circuit board 70 from being short-circuited due to external moisture entering the inner housing 10, the shielding member 20 is driven by the driving device 30 to close the vent 12, so that the power generator 50 can still work normally, and the moisture dropping on the inner housing 10 can absorb heat emitted by the power generator 50.

In another embodiment of the present invention, the position limiting assembly includes position limiting plates 14 spaced up and down, and the shielding member 20 slides between the two position limiting plates 14 along the length direction thereof.

As shown in fig. 5, the shielding member 20 includes a shielding plate 21 having various shapes such as triangle, quadrangle, trapezoid, etc., the shielding plate 21 has a size capable of completely covering the ventilation opening 12, one side of the shielding plate 21 is connected with two connecting arms 22, the upper and lower sides of the shielding member 20 are respectively provided with a sliding slot 23, and the outer side of the shielding plate 21 is further provided with a water absorbing layer 24;

as shown in fig. 4 and 6, the shielding plate 21 has a rectangular shape, the limiting plate 14 has an L-shaped cross section, and the limiting plate 14 has an insertion portion 141 which is inserted into the slide groove 23 and slidably engaged therewith.

As shown in fig. 5, the driving device 30 includes a driving source 31 and a first transmission assembly 32, the driving source 31 employs a motor, the first transmission assembly 32 includes two rotating shafts 321 rotatably installed inside the inner housing 10, one of the rotating shafts 321 is connected to an output end of the motor, gears 322 are fixedly installed at positions of each rotating shaft 321 near two ends thereof, racks 323 are respectively installed on the two connecting arms 22, the gears 322 at the same ends of the two rotating shafts 321 are engaged and connected, the two gears 322 at the same end are engaged and connected with the racks 323 on the two connecting arms 22, when the motor operates, the first transmission assembly 32 can drive the shielding member 20 to slide, so as to open or close the vent 12.

As shown in fig. 7 to 9, another embodiment of the present invention is provided, based on the above embodiments, the top opening of the inner housing 10 is provided with an outer housing 40, and the outer housing can slide up and down relative to the inner housing 10 to shield the ventilation opening 12, so as to achieve better rain-proof and water-proof effects.

Specifically, the outer wall of the inner housing 10 protrudes outward to form a protrusion 13, the bottom of the outer housing 40 is opened upward to form a notch 41 slidably fitting with the protrusion 13, a second transmission assembly 80 is further disposed between the shielding member 20 and the inner top wall of the outer housing 40, when the driving device 30 drives the shielding member 20 to slide and close the vent 12, the outer housing 40 completely shields the vent 12, and when the driving device 30 drives the shielding member 20 to slide and open the vent 12, under the action of the second transmission assembly 80, the outer housing 40 ascends and exposes the vent 12.

Specifically, the second transmission assembly 80 includes a sloping plate 81 fixedly installed on the shielding member 20 and a roller 82 installed on the inner bottom wall of the outer housing 40, the roller 82 abuts on the sloping surface of the sloping plate 81, and when the shielding member 20 is driven to close the ventilation opening 12, the roller 82 moves from the high end of the sloping plate 81 to the bottom end position, so that the outer housing 40 descends and shields the ventilation opening 12 from the outside, and conversely, when the shielding member 20 is driven to open the ventilation opening 12, the roller 82 moves from the bottom end of the sloping plate 81 to the high end position, so that the outer housing 40 ascends and the ventilation opening 12 is completely exposed.

In order to avoid the outer housing 40 to break away from the inner housing 10, an anti-disengaging structure 60 is provided between the protruding portion 13 and the outer housing 40, so as to prevent the outer housing 40 from breaking away from the inner housing 10 when moving upwards, wherein the anti-disengaging structure comprises a long strip groove 61 arranged on two opposite sides of the protruding portion 13 and a thread plate 62 adjacent to the long strip groove 61 and fixed on the outer housing 40, a bolt 63 is screwed on the thread plate 62, one end of the bolt 63 extends to the inside of the long strip groove 61, when the outer housing 40 moves upwards and downwards relative to the inner housing 10, one end of the bolt 63 can move from the bottom end of the long strip groove 61 to the high end, or from the high end to the bottom end.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A high voltage power generator, comprising:

the air inlet and the air outlet are respectively communicated with the air inlet and the air outlet;

the limiting components are arranged on two opposite inner side surfaces of the inner shell,

the two shielding parts respectively slide in the limiting assemblies on the two opposite inner side surfaces of the inner shell;

the driving device is arranged in the inner shell and used for driving the shielding component to open or close the ventilation opening; and

the circuit board and the power generator are both arranged inside the inner shell.

2. The high voltage power generator as claimed in claim 1, wherein the position limiting assembly comprises two position limiting plates spaced apart from each other, and the shielding member slides along a length direction of the two position limiting plates.

3. The high voltage power generator as claimed in claim 1, wherein the shielding member comprises a shielding plate, two connecting arms are fixed on one side of the shielding plate, sliding grooves are respectively formed on the upper and lower sides of the shielding member, and a water absorbing layer is further disposed on the outer side of the shielding plate.

4. A high voltage power generator according to claim 1 wherein the drive means comprises a drive source and a first transmission assembly.

5. The generator as claimed in claim 4, wherein the first transmission assembly comprises two rotation shafts rotatably mounted inside the inner housing, one of the rotation shafts is connected to the output end of the driving source, each rotation shaft is fixedly mounted with a gear near both ends thereof, two connecting arms are respectively mounted with racks, the gears at the same ends of the two rotation shafts are engaged with each other, and the two gears at the same ends are engaged with the racks on the two connecting arms.

6. The high voltage power generator as claimed in any one of claims 1 to 5, wherein the top opening of the inner housing is provided with an outer housing, and the outer housing can slide up and down relative to the inner housing.

7. The generator as claimed in claim 6, wherein a protrusion is formed on the outer wall of the inner housing, and a notch slidably engaged with the protrusion is formed on the bottom of the outer housing.

8. The high voltage power generator as claimed in claim 7, wherein a second transmission assembly is further disposed between the shielding member and the inner top wall of the outer casing, the outer casing completely shields the ventilation opening when the driving device drives the shielding member to slide and close the ventilation opening, and the outer casing ascends and exposes the ventilation opening under the action of the second transmission assembly when the driving device drives the shielding member to slide and open the ventilation opening.

9. The generator as claimed in claim 8, wherein the second transmission assembly includes a slant plate fixedly installed on the shielding member and rollers installed on a bottom wall of the outer housing, the rollers abutting on a slant surface of the slant plate.

10. The high voltage power generator as claimed in claim 7, wherein a separation preventing structure is provided between the protrusion and the outer housing to prevent the outer housing from separating from the inner housing when moving upward.