CN112987879B

CN112987879B - Portable VPX case and control method thereof

Info

Publication number: CN112987879B
Application number: CN202110535149.XA
Authority: CN
Inventors: 刘琦; 肖广纯; 陈剑; 唐畅; 陈月玲
Original assignee: Hunan Bojiang Information Technology Co Ltd
Current assignee: Hunan Bojiang Information Technology Co Ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2021-08-10
Anticipated expiration: 2041-05-17
Also published as: CN112987879A

Abstract

The invention discloses a portable VPX case and a control method thereof, wherein the method comprises the following steps: determining a control mode of the portable VPX case according to the operation mode of the VPX board card; when the control mode is a heat dissipation mode, controlling the first sealing plate to move to a first position so that the first ventilation hole is right opposite to the first heat dissipation hole; when the control mode is the shutoff mode, control first shrouding removes to the second position to make first shutoff piece blocks up first louvre when the control mode is the shutoff mode, control first shrouding removes to the second position, so that first shutoff piece blocks up first louvre, and at this moment, first louvre is by first shutoff piece shutoff to prevent that external little foreign matter from getting into portable VPX machine case from first louvre, promoted the job stabilization and the security performance of portable VPX machine case.

Description

Portable VPX case and control method thereof

Technical Field

The invention relates to the technical field of VPX equipment, in particular to a portable VPX case and a control method thereof.

Background

The VPX system has the characteristics and the advantages of stable and reliable operation, becomes an excellent scheme in the field of current data acquisition and analysis, adopts VPX-related solutions in many engineering applications, mainly comprises a VPX board card and a VPX case for loading the VPX board card, and is used for protecting the internal VPX board card and providing a good operation environment for the VPX board card.

In order to better dissipate heat, a heat dissipation hole is formed in the outer side wall of the conventional VPX case so as to dissipate heat generated by a VPX board card during working; however, when the VPX board card is not in operation, small foreign matters outside easily enter the VPX chassis through the heat dissipation holes, so that hardware in the VPX chassis is damaged, and the safety needs to be improved, so that a VPX chassis capable of controlling the heat dissipation holes to be blocked or opened according to different operation conditions of the VPX board card is urgently needed.

Disclosure of Invention

The invention mainly aims to provide a portable VPX case and a control method thereof, and aims to solve the problem that a VPX case capable of controlling heat dissipation holes to be blocked or opened according to different running conditions of a VPX board card is urgently needed.

In order to achieve the purpose, the technical scheme provided by the invention is as follows:

a VPX board card is arranged in the portable VPX case; the portable VPX chassis comprises a plugging component, a top wall and a first side wall; the first side wall is provided with a plurality of first heat dissipation holes which respectively penetrate through two sides of the first side wall; the plugging assembly comprises a first plugging block and a first sealing plate; the first sealing plate penetrates through the top wall in a sliding mode along the direction from the bottom wall to the top wall of the portable VPX case and is in sliding, fitting and contact with the inner wall of the first side wall;

the first sealing plate is provided with a plurality of first ventilation holes which respectively penetrate through two sides of the first sealing plate; the number of the first blocking blocks is consistent with that of the first heat dissipation holes, and the first blocking blocks correspond to the first heat dissipation holes one by one; the first plugging block is elastically connected to the first sealing plate.

Preferably, the portable VPX chassis further comprises a second sidewall disposed opposite and parallel to the first sidewall; the second side wall is provided with a plurality of second heat dissipation holes which respectively penetrate through two sides of the second side wall; the plugging assembly further comprises a second plugging block and a second sealing plate which is opposite to and parallel to the first sealing plate;

the second sealing plate is slidably arranged on the top wall in the direction from the bottom wall to the top wall of the portable VPX case and is in sliding, fitting and contact with the inner wall of the second side wall; the second sealing plate is provided with a plurality of second ventilation holes which respectively penetrate through two sides of the second sealing plate; the number of the second blocking blocks is consistent with that of the second heat dissipation holes, and the second blocking blocks correspond to the second heat dissipation holes one by one; the second plugging block is elastically connected to the second sealing plate.

Preferably, the plugging assembly further comprises a connecting plate; the top wall is provided with a first long hole and a second long hole; the first plugging plate penetrates through the first long hole in a sliding mode; the second plugging plate penetrates through the second long hole in a sliding mode; the connecting plate is connected between the first sealing plate and the second sealing plate; the connecting plate is positioned above the top wall; the connecting plate is provided with a lifting groove; the connecting plate is connected with a driving part;

the upper part of the inner wall of the first heat dissipation hole is inclined, and the outer caliber of the first heat dissipation hole is smaller than the inner caliber; the upper part of the inner wall of the second heat dissipation hole is inclined, and the outer caliber of the second heat dissipation hole is smaller than the inner caliber;

the first sealing plate is also provided with a plurality of first sealing grooves; the number of the first plugging blocks is consistent with that of the first plugging grooves, and the first plugging blocks correspond to the first plugging grooves one to one; the first plugging block is elastically connected to the first plugging groove through an elastic piece.

Preferably, the portable VPX chassis further comprises a lifting assembly; the lifting assembly comprises a fixed seat, a limiting rod, a first rotating shaft, a grooved pulley, a first gear, a second gear, a rotating rod and a connecting rope;

the portable VPX chassis further comprises a third side wall connected to both the first side wall and the second side wall; the fixed seat is fixedly embedded in the third side wall; the limiting rod is connected between the first sealing plate and the second sealing plate and is positioned in the case;

the fixed seat is provided with a waist hole; the limiting rod is horizontally arranged and movably penetrates through the waist hole, and the limiting rod can vertically move in the waist hole; the fixing seat comprises an upper side wall; the first rotating shaft is rotatably connected to the upper side wall; the upper side wall is provided with a vertical groove; the first gear and the grooved pulley are coaxially fixed on the first rotating shaft; the fixed seat is provided with a first through hole which penetrates through the waist hole and the upper side wall; the lower end of the connecting rope is connected to the limiting rod, and the upper end of the connecting rope movably penetrates through the first through hole and is wound on the grooved pulley;

the rotating rod is rotatably arranged in the vertical groove in a penetrating way, and the rotating rod is horizontally arranged; one end of the rotating rod extends out of the fixed seat and is positioned outside the case; the rotating rod is coaxially connected with the second gear; the second gear is located in the vertical groove and meshed with the first gear.

Preferably, the lifting assembly further comprises a stem; the vertical section of the rotating rod is in a regular polygon shape; an inner hole which is matched and nested with the rotating rod is formed in the middle of the rotating handle; the rotating handle can slide in the length direction of the rotating rod; the rotating handle comprises 2 handle leaves which are positioned on the same plane;

the fixed seat comprises an outer side wall positioned outside the case; the rotating rod penetrates through the outer side wall; the outer side wall is provided with embedded grooves which are uniformly distributed around the rotating rod in an annular manner; the handle blade can be matched and embedded into the embedded groove to fix the rotating handle.

Preferably, the lifting assembly further comprises a locking post; the fixed seat is provided with a lock cylinder inner cavity communicated with the waist hole; the locking column is rotatably arranged in the inner cavity of the lock cylinder; the locking column is horizontally arranged and is parallel to the limiting rod; part of the side wall of the locking column forms a planar column outer wall; the outer wall of the column is parallel to the central axis of the locking column; the locking column can rotate to partially extend into the waist hole and can be in contact with the limiting rod; when the locking column rotates to the position where the outer wall of the column is located at the junction of the waist hole and the inner cavity of the lock cylinder, the locking column and the limiting rod keep an interval.

Preferably, the lifting assembly further comprises a second rotating shaft, a butting rod, an annular plate, a second spring, a first connecting rod, a second connecting rod, a third connecting rod and a circular plate; the locking column is coaxially connected with the second rotating shaft, the second rotating shaft is rotatably connected with the inner cavity of the lock cylinder, and one end of the second rotating shaft extends out of the fixed seat;

the circular plate is coaxially connected to one end, extending out of the fixed seat, of the second rotating shaft; the fixed seat also comprises a lower side wall opposite to the upper side wall; the lower side wall is provided with a second through hole penetrating through the waist hole; the abutting rod movably penetrates through the second through hole; the annular plate is coaxially fixed at one end of the abutting rod, which extends out of the second through hole; the second spring is sleeved on the abutting rod; one end of the second spring is connected to the lower side wall, and the other end of the second spring is connected to the upper side face of the annular plate; the elastic force of the second spring enables the abutting rod to have the tendency of moving upwards and extending into the waist hole;

the first connecting rod is connected to the bottom end of the abutting rod and is parallel to the limiting rod; one end of the first connecting rod, which is far away from the abutting rod, is vertically connected with the second connecting rod, and the second connecting rod is horizontally arranged; the upper end of the third connecting rod is hinged to the eccentric position of the circular plate, and the lower end of the third connecting rod is hinged to one end, far away from the first connecting rod, of the second connection.

Preferably, the portable VPX chassis further comprises an ash scraping assembly; the ash scraping component comprises a first connecting rod, a limiting guide rod, a second connecting rod, a linear sliding table module and 2 scraping plates; the case also comprises a fourth side wall which is opposite to and parallel to the third side wall;

one end of the first connecting rod is connected to one end of a first scraper, and the other end of the first connecting rod is connected to one end of a second scraper; one end of the second connecting rod is connected to the other end of the first scraper, and the other end of the second connecting rod is connected to the other end of the second scraper; the first scraper plate is in sliding fit contact with the outer wall of the first side wall, and the second scraper plate is in sliding fit contact with the outer wall of the second side wall;

the limiting guide rod is vertically connected to the third side wall and is positioned outside the case; the first connecting rod is matched with and glidingly arranged on the limiting guide rod in a penetrating way; the linear sliding table module is arranged on the fourth side wall, the second connecting rod is connected to a sliding table of the linear sliding table module, and the moving direction of the linear sliding table module is a vertical direction;

the scraper comprises a contact surface and 2 shoveling surfaces; the contact surface is in fit contact with the first side wall or the second side wall; the shoveling surface is an inwards concave arc surface.

The invention also provides a control method of a portable VPX case, which is applied to the portable VPX case in any one of the above 8, and comprises the following steps:

determining a control mode of the portable VPX case according to the operation mode of the VPX board card;

when the control mode is a heat dissipation mode, controlling the first sealing plate to move to a first position so that the first ventilation hole is right opposite to the first heat dissipation hole;

when the control mode is the plugging mode, the first sealing plate is controlled to move to the second position, so that the first plugging block plugs the first heat dissipation hole.

Preferably, the method for controlling a portable VPX chassis further includes:

when the control mode is a heat dissipation mode, controlling the second sealing plate and the first sealing plate to synchronously move to the first position so that the second vent hole is opposite to the second heat dissipation hole;

and when the control mode is the plugging mode, controlling the second sealing plate and the first sealing plate to synchronously move to the second position so that the second plugging block plugs the second heat dissipation hole.

Compared with the prior art, the invention at least has the following beneficial effects:

the portable VPX case provided by the invention has the advantages that the first side wall of the portable VPX case is provided with a plurality of first heat dissipation holes, the first sealing plate is provided with a plurality of first sealing blocks, when the VPX board card works, the first sealing plate is controlled to move to the first position so that the first vent hole is opposite to the first heat dissipation hole, namely, the first heat dissipation holes can dissipate heat normally to ensure the normal work of the VPX board card, when the VPX board card is not in work, the first sealing plate is controlled to move to the second position, so that the first heat dissipation hole is blocked by the first blocking block, and at the moment, the first heat dissipation hole is blocked by the first blocking block, thereby prevent that external little foreign matter from getting into portable VPX machine case from first louvre, promoted the job stabilization and the security performance of portable VPX machine case, solved at present and urgently needed one kind can be according to the different behavior of VPX integrated circuit board and control the problem that the louvre carries out the VPX machine case that blocks up or open.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a flowchart of a first embodiment of a control method for a portable VPX chassis according to the present invention;

FIG. 2 is a schematic external structural diagram of a portable VPX chassis according to an embodiment of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is a partial schematic structural diagram of a portable VPX chassis according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of the internal structure of one embodiment of a portable VPX case according to the present invention;

fig. 6 is an enlarged view of the structure at B in fig. 5.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				110	First side wall	120	Second side wall
130	Third side wall	140	The fourth side wall
				150	Roof wall	160	First long hole
170	Second long hole	180	Connecting plate
				190	Lifting groove	210	First closing plate
220	Second closing plate	230	A first heat dissipation hole
				240	Upper part of the inner wall	250	First plugging groove
260	First spring	270	First plugging block
				280	First vent hole	290	Fixed seat
310	Upper side wall	320	Lower side wall
				330	Outer side wall	340	Waist hole
350	First through hole	360	First rotating shaft
				370	Grooved pulley	380	First gear
390	Second gear	410	Third through hole
				420	Bearing assembly	430	Rotating rod
440	Rotating handle	450	Inner bore
				460	Stem leaf	470	Embedded groove
480	Connecting rope	490	Limiting rod
				510	Inner cavity of lock core	520	Locking post
530	Second rotating shaft	540	Outer wall of column
				550	Second through hole	560	Abutting rod
570	Annular plate	580	Second spring
				590	First connecting rod	610	Second connecting rod
620	Third connecting rod	630	Vertical groove
				640	Second vent hole	650	Scraping plate
660	First connecting rod	670	Rectangular notch
				680	Contact surface	690	Spading-off surface
710	Limiting guide rod

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides a portable VPX case and a control method thereof.

Referring to fig. 2 to 6, in an embodiment of a portable VPX chassis according to the present invention, a VPX board card is disposed inside the portable VPX chassis, and the portable VPX chassis includes a blocking component, a top wall 150 and a first side wall 110; the first sidewall 110 is provided with a plurality of first heat dissipation holes 230 respectively penetrating through two sides of the first sidewall 110; the plugging assembly comprises a first plugging block 270 and a first closing plate 210; the first sealing plate 210 is slidably disposed through the top wall 150 along a direction from the bottom wall to the top wall 150 of the portable VPX chassis, and is in sliding, fitting and contacting with the inner wall of the first sidewall 110.

The first sealing plate 210 is provided with a plurality of first vent holes 280 which respectively penetrate through two sides of the first sealing plate 210; the number of the first blocking blocks 270 is consistent with that of the first heat dissipation holes 230, and the first blocking blocks 270 correspond to the first heat dissipation holes 230 one by one; the first block-out piece 270 is resiliently attached to the first cover plate 210.

The portable VPX case provided by the invention has the advantages that the first side wall of the portable VPX case is provided with the plurality of first heat dissipation holes 230, the first sealing plate 210 is provided with the plurality of first sealing blocks 270, when the VPX card is working, the first sealing plate 210 is controlled to move to the first position, so that the first ventilation hole 280 and the first heat dissipation hole 230 are opposite, that is, the first heat dissipation hole 230 can dissipate heat normally to ensure the normal operation of the VPX board, and when the VPX board is not operated, the first sealing plate 210 is controlled to move to the second position, so that the first blocking block 270 blocks the first heat dissipation hole 230, at this moment promptly, first louvre 230 is by the shutoff of first shutoff piece 270 to prevent that external little foreign matter from getting into portable VPX quick-witted case from first louvre 230, promoted the job stabilization and the security performance of portable VPX quick-witted case, solved at present the urgent need one kind and can control the louvre according to the different behavior of VPX integrated circuit board and carry out the problem that the VPX quick-witted case was shutoff or was opened.

The portable VPX chassis further comprises a second sidewall 120 disposed opposite and parallel to the first sidewall 110; the second sidewall 120 is provided with a plurality of second heat dissipation holes respectively penetrating through two sides of the second sidewall 120; the blocking assembly further includes a second blocking block and a second closure plate 220 disposed opposite and parallel to the first closure plate 210.

The second sealing plate 220 is slidably arranged through the top wall 150 along the direction from the bottom wall to the top wall 150 of the portable VPX case, and is in sliding, fitting and contact with the inner wall of the second side wall 120; the second sealing plate 220 is provided with a plurality of second ventilation holes 640 which respectively penetrate through two sides of the second sealing plate 220; the number of the second blocking blocks is consistent with that of the second heat dissipation holes, and the second blocking blocks correspond to the second heat dissipation holes one to one; the second block piece is resiliently connected to the second closure plate 220.

The purpose of this embodiment is to perfect the structure of the plugging component, and through setting the second sealing plate 220 having the same structure as the first sealing plate 210, and opening a plurality of second heat dissipation holes on the second sidewall 120, and synchronously controlling the movement of the first sealing plate 210 and the second sealing plate 220, the heat dissipation effect of the portable VPX chassis is enhanced.

The plugging assembly further comprises a connecting plate 180; the top wall 150 is provided with a first long hole 160 and a second long hole 170; the first plugging plate is slidably arranged through the first long hole 160; the second plugging plate is slidably arranged through the second long hole 170; the connecting plate 180 is connected between the first closing plate 210 and the second closing plate 220; the connecting plate 180 is located above the top wall 150; the connection plate 180 is provided with a lifting groove 190, and the connection plate 180 is connected with a driving part (not shown).

Specifically, the driving part is an electric push rod arranged between the connecting plate 180 and the top wall 150, a base of the electric push rod is arranged on the upper surface of the top wall 150, a telescopic end of the electric push rod is connected to a side surface, close to the top wall 150, of the connecting plate 180, and a telescopic direction of the electric push rod is perpendicular to the connecting plate 180.

According to the embodiment, on one hand, the first sealing plate 210 and the second sealing plate 220 can be synchronously moved to the first position or the second position by manually pulling the pulling grooves 190 of the connecting plate, and on the other hand, the connecting plate 180 can be driven by the driving component to drive the first sealing plate 210 and the second sealing plate 220 to be synchronously moved to the first position or the second position, so that labor is saved.

Referring to fig. 4, the upper portion 240 of the inner wall of the first heat dissipation hole 230 is inclined, and the outer diameter of the first heat dissipation hole 230 is smaller than the inner diameter; the upper portion of the inner wall of second louvre is the slope form, and the outer bore diameter of second louvre is less than the inner bore diameter, and in addition, the last wall of first block 270 can set up to the inclined plane with the upper portion 240 complex of the inner wall of first louvre 230, and the last wall of second block can set up to the inclined plane with the upper portion complex of the inner wall of second louvre to be convenient for first block 270 roll-off in first louvre 130, with the second block roll-off in the second louvre.

In addition, referring to fig. 4, the first sealing plate 210 further defines a plurality of first blocking grooves 250; the number of the first plugging blocks 270 is the same as that of the first plugging grooves 250, and the first plugging blocks 270 correspond to the first plugging grooves 250 one to one; the first block 270 is elastically coupled to the first blocking groove 250 by an elastic member, preferably, a first spring 260. Through above-mentioned technical scheme, perfect the connected mode between first shutoff piece 270 and the first shrouding 210, through setting up first shutoff groove 250, when first louvre 230 and first ventilation hole 280 are just in the same phase relative, first shutoff piece 270 can imbed completely in the first shutoff groove 250, this kind of structure is more reasonable, the inner wall sliding contact of the first shrouding 210 and first lateral wall 110 of being more convenient for, connected mode between second shutoff piece and the second shrouding 220 sets up like this equally, no longer give unnecessary details here.

The portable VPX case also comprises a lifting component; the lifting assembly comprises a fixed seat 290, a limit lever 490, a first rotating shaft 360, a sheave 370, a first gear 380, a second gear 390, a rotating lever 430 and a connecting rope 480.

The portable VPX chassis further comprises a third sidewall 130 connected to both the first sidewall 110 and the second sidewall 120; the fixing base 290 is fixedly embedded in the third sidewall 130; the position-limiting rod 490 is connected between the first sealing plate 210 and the second sealing plate 220 (i.e., two ends of the position-limiting rod are connected to the first sealing plate 210 and the second sealing plate 220, respectively), and the position-limiting rod 490 is located inside the chassis.

The fixing seat 290 is provided with a waist hole 340; the limiting rod 490 is horizontally arranged and movably penetrates through the waist hole 340, and the limiting rod 490 can vertically move in the waist hole 340; the retaining base 290 includes an upper sidewall 310; the first rotating shaft 360 is rotatably connected to the upper side wall 310, the first rotating shaft 360 is horizontally arranged, and the first rotating shaft 360 is perpendicular to the length direction of the waist hole 340; the upper side wall 310 is provided with a vertical groove 630; the first gear 380 and the sheave 370 are both coaxially fixed to the first shaft 360; the fixing base 290 is provided with a first through hole 350 penetrating through the waist hole 340 and the upper side wall 310; the lower end of the connecting rope 480 is connected to the limiting rod 490, and the upper end of the connecting rope 480 is movably inserted into the first through hole 350 and wound around the sheave 370.

The rotating rod 430 is rotatably inserted into the vertical slot 630, and the rotating rod 430 is horizontally disposed (specifically, the fixing base 290 is provided with a third through hole 410 which is horizontally disposed and penetrates through the vertical slot 630 and the outside, and the rotating rod 430 is rotatably inserted into the third through hole 410 through the bearing 420); one end of the rotating rod 430 extends out of the fixing seat 290 and is located outside the case; the rotating rod 430 is coaxially connected with a second gear 390; the second gear 390 is located within the vertical slot 630 and is engaged with the first gear 380.

Through the above technical scheme, the positions of the first closing plate 210 and the second closing plate 220 can be synchronously driven by the rotating rod 430, and the specific principle is as follows: the manual bull stick 430 that rotates to drive second gear 390 and rotate, thereby drive first gear 380 and rotate, thereby drive 360 rotations of first pivot, under the effect of connecting rope 480, drive gag lever post 490 vertical lift in waist hole 340, thereby drive the synchronous vertical lift of first shrouding 210 and second shrouding 220.

In addition, referring to fig. 3, the lifting assembly further includes a handle 440; the vertical section of the rotating rod 430 is polygonal (as shown in fig. 3, it is a regular 4-sided polygon); an inner hole 450 which is matched and nested with the rotating rod 430 is formed in the middle of the rotating handle 440 (namely the vertical section of the inner hole 450 is also a regular 4-sided polygon); the rotating handle 440 can slide in the length direction of the rotating rod 430; the handle 440 comprises 2 handle leaves 460 in the same plane;

the mounting block 290 includes an outer sidewall 330 located outside the housing; the rotating rod 430 is arranged through the outer side wall 330; the outer side wall 330 is provided with embedded grooves 470 uniformly distributed annularly around the rotating rod 430 (in this embodiment, the number of the embedded grooves 470 is 4, and the 4 embedded grooves 470 are distributed in a cross shape); the stem leaves 460 can be fitted into the insertion grooves 470 to fix the stem 440.

Through above-mentioned technical scheme, can fix the rotational position of bull stick 430, it is concrete, when needs are fixed the rotational position of bull stick 430, imbed the embedded groove 470 with handle leaf 460 to fixed bull stick 430, thereby the position of fixed gag lever post 490, thereby the position of fixed first shrouding 210 and second shrouding 220.

Referring to fig. 5 and 6, the lifting assembly further includes a locking post 520; the fixing seat 290 is provided with a lock cylinder inner cavity 510 communicated with the waist hole 340; the locking post 520 is rotatably disposed in the lock cylinder cavity 510; the locking column 520 is horizontally arranged, and the locking column 520 is parallel to the limiting rod 490; a portion of the side wall of the locking post 520 forms a post outer wall 540 that is planar; the post outer wall 540 is parallel to the central axis of the locking post 520; the locking post 520 can be rotated to partially extend into the waist hole 340, and at this time, the locking post 520 can be in contact with the limiting rod 490; when the locking post 520 is rotated to a position where the outer post wall 540 is located at the intersection of the waist hole 340 and the lock cylinder inner cavity 510, the locking post 520 is spaced apart from the position-limiting rod 490, i.e., at this time, the locking post 520 does not contact the position-limiting rod 490.

Through the technical scheme, can carry out the secondary spacing to gag lever post 490, in fact, when gag lever post 490 is located the lowest of waist hole 340, correspond the second position this moment promptly, first shutoff first louvre 230 of first shutoff piece 270 promptly, second shutoff second louvre of second shutoff piece, VPX integrated circuit board does not work this moment promptly, through setting up locking post 520, can prevent that accidental beating from appearing in gag lever post 490, perhaps by the maloperation and rebound, thereby drive first shrouding 210 and the removal of second shrouding 220, thereby make first louvre 230 and second louvre not by the shutoff.

In addition, the lifting assembly further includes a second rotating shaft 530, an abutting rod 560, an annular plate 570, a second spring 580, a first link 590, a second link 610, a third link 620, and a circular plate (not shown); the locking column 520 is coaxially connected to the second shaft 530, the second shaft 530 is rotatably connected to the lock cylinder chamber 510, and one end of the second shaft 530 extends out of the fixing seat 290.

The circular plate is coaxially connected to one end of the second rotating shaft 530, which extends out of the fixing base 290; the retaining base 290 also includes a lower sidewall 320 opposite the upper sidewall 310; the lower side wall 320 is provided with a second through hole 550 which penetrates through the waist hole 340 and the outside; the abutting rod 560 is movably arranged through the second through hole 550; the annular plate 570 is coaxially fixed to one end of the abutting rod 560, which extends out of the second through hole 550; the second spring 580 is sleeved on the abutting rod 560; one end of the second spring 580 is connected to the lower sidewall 320, and the other end of the second spring 580 is connected to the upper side surface of the ring plate 570; the elastic force of the second spring 580 forces the abutment rod 560 to move upward and extend into the waist opening 340.

The first connecting rod 590 is connected to the bottom end of the abutting rod 560, and the first connecting rod 590 is parallel to the limiting rod 490; one end of the first link 590, which is far away from the abutting link 560, is vertically connected with a second link 610, the second link 610 is horizontally arranged, and the second link 610 is vertically connected with the first link 590; the upper end of the third link 620 is hinged to the eccentric portion of the circular plate, and the lower end of the third link 620 is hinged to the end of the second link, which is far from the first link 590.

Through the above technical solution, the locking post 520 can be automatically driven to rotate, specifically, when the limiting rod 490 is located at the bottom end of the waist hole 340, the limiting rod 490 presses the abutting rod 560 under the action of the deadweight of the first closing plate 210 and the second closing plate 220, so as to fix the positions of the first connecting rod 590 and the second connecting rod 610, thereby fixing the rotating position of the circular plate, thereby fixing the second rotating shaft 530, thereby fixing the locking post 520, and at this time, the locking post 520 partially extends into the waist hole 340 (as shown in fig. 6), so as to limit the limiting rod 490; when gag lever post 490 is driven and upward movement, the pole 560 moves up under the effect of second spring 580 to drive first connecting rod 590 and second connecting rod 610 upward movement, thereby drive third connecting rod 620 activity, thereby drive the circular slab and rotate, thereby drive second pivot 530 and rotate, thereby drive lock post 520 and rotate, thereby make post outer wall 540 get into the juncture of waist hole 340 and lock core inner chamber 510, thereby make lock post 520 no longer restrict gag lever post 490.

Meanwhile, as shown in fig. 2, the portable VPX chassis further comprises an ash scraping assembly; the ash scraping component comprises a first connecting rod 660, a limiting guide rod 710, a second connecting rod, a linear sliding table module and 2 scraping plates 650; the chassis also includes a fourth sidewall 140 disposed opposite and parallel to the third sidewall 130.

One end of the first connecting rod 660 is connected to one end of the first scraper 650, and the other end of the first connecting rod 660 is connected to one end of the second scraper 650; one end of the second connecting rod is connected to the other end of the first scraper 650, and the other end of the second connecting rod is connected to the other end of the second scraper 650; the first scraper 650 is in sliding abutting contact with the outer wall of the first sidewall 110 and the second scraper 650 is in sliding abutting contact with the outer wall of the second sidewall 120.

The limiting guide rod 710 is vertically connected to the third side wall 130 and is located outside the case; the first connecting rod 660 is arranged through the limiting guide rod 710 in a matched and sliding mode; the linear sliding table module is arranged on the fourth side wall 140, the second connecting rod is connected to a sliding table of the linear sliding table module, and the moving direction of the linear sliding table module is a vertical direction; the middle of the first connecting rod 660 is formed with a rectangular gap 670, and when the first connecting rod 660 moves vertically, the outer portion of the fixing seat 290, the rotating rod 430 and the rotating handle 440 can pass through the rectangular gap 670, so that the first connecting rod 660 does not interfere with the above components.

Scraper 650 includes contact surface 680 and 2 relief surfaces 690; the contact surface 680 is in close contact with the first sidewall 110 or the second sidewall 120; the relief surface 690 is an inwardly concave arcuate surface.

Through above-mentioned technical scheme, can carry out the shovel to the dust of the lateral wall accumulation of first lateral wall 110 and second lateral wall 120, it is specific, through sharp slip table module drive head rod 660 and second connecting rod synchronous movement to drive 2 scraper blade 650 vertical movement, thereby shovel the dust of the lateral wall accumulation of first lateral wall 110 and second lateral wall 120.

As shown in fig. 1 to fig. 6, in a first embodiment of a control method of a portable VPX chassis according to the present invention, the present embodiment applies any one of the portable VPX chassis described above, and includes the following steps:

step S110: and determining a control mode of the portable VPX case according to the operation mode of the VPX board card.

Step S120: when the control mode is the heat dissipation mode, the first sealing plate 210 is controlled to move to the first position, so that the first vent hole 280 and the first heat dissipation hole 230 are directly opposite to each other.

Step S130: when the control mode is the blocking mode, the first sealing plate 210 is controlled to move to the second position, so that the first blocking block 270 blocks the first heat dissipation hole 230.

According to the control method of the portable VPX case, the first side wall of the portable VPX case is provided with the plurality of first heat dissipation holes 230, the first sealing plate 210 is provided with the plurality of first sealing blocks 270, and then the control module of the portable VPX case is determined based on the operation mode of the VPX board card, specifically, when the VPX board card works, the control mode is a heat dissipation mode, and when the VPX board card does not work, the control mode is a sealing mode; further, when the control mode is the heat dissipation mode, control first shrouding 210 and move to first position, so that first ventilation hole 280 and first louvre 230 are just relative, first louvre 230 can normally dispel the heat promptly, guarantee the normal work of VPX integrated circuit board, when the control mode is the shutoff mode, control first shrouding 210 and move to the second position, so that first louvre 230 is blockked up to first shutoff piece 270, promptly this moment, first louvre 230 is blocked by first shutoff piece 270, thereby prevent that external little foreign matter from getting into portable VPX machine case from first louvre 230, the job stabilization and the security performance of portable VPX machine case have been promoted.

In a second embodiment of the control method for a portable VPX chassis provided by the present invention, based on the first embodiment, the present embodiment further includes the following steps:

step S210: when the control mode is the heat dissipation mode, the second sealing plate 220 and the first sealing plate 210 are controlled to synchronously move to the first position, so that the second ventilation holes 640 are aligned with the second heat dissipation holes.

Step S220: when the control mode is the plugging mode, the second sealing plate 220 and the first sealing plate 210 are controlled to synchronously move to the second position, so that the second plugging block plugs the second heat dissipation hole.

In the present embodiment, the second sealing plate 220 is configured to be identical to the first sealing plate 210, and the second sidewall 120 is provided with a plurality of second heat dissipation holes, so as to synchronously control the movement of the first sealing plate 210 and the second sealing plate 220, thereby enhancing the heat dissipation effect of the portable VPX chassis.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A portable VPX case is characterized in that a VPX board card is arranged inside the portable VPX case; the portable VPX chassis comprises a plugging component, a top wall and a first side wall; the first side wall is provided with a plurality of first heat dissipation holes which respectively penetrate through two sides of the first side wall; the plugging assembly comprises a first plugging block and a first sealing plate; the first sealing plate penetrates through the top wall in a sliding mode along the direction from the bottom wall to the top wall of the portable VPX case and is in sliding, fitting and contact with the inner wall of the first side wall;

the first sealing plate is provided with a plurality of first ventilation holes which respectively penetrate through two sides of the first sealing plate; the number of the first blocking blocks is consistent with that of the first heat dissipation holes, and the first blocking blocks correspond to the first heat dissipation holes one by one; the first plugging block is elastically connected to the first sealing plate;

the portable VPX case further comprises a second side wall opposite to and parallel to the first side wall; the second side wall is provided with a plurality of second heat dissipation holes which respectively penetrate through two sides of the second side wall; the plugging assembly further comprises a second plugging block and a second sealing plate which is opposite to and parallel to the first sealing plate;

the second sealing plate is slidably arranged on the top wall in the direction from the bottom wall to the top wall of the portable VPX case and is in sliding, fitting and contact with the inner wall of the second side wall; the second sealing plate is provided with a plurality of second ventilation holes which respectively penetrate through two sides of the second sealing plate; the number of the second blocking blocks is consistent with that of the second heat dissipation holes, and the second blocking blocks correspond to the second heat dissipation holes one by one; the second plugging block is elastically connected to the second sealing plate;

the upper part of the inner wall of the first heat dissipation hole is inclined, and the outer caliber of the first heat dissipation hole is smaller than the inner caliber; the upper part of the inner wall of the second heat dissipation hole is inclined, and the outer caliber of the second heat dissipation hole is smaller than the inner caliber; the upper wall surface of the first blocking block is provided with an inclined surface matched with the upper part of the inner wall of the first heat dissipation hole, and the upper wall surface of the second blocking block is provided with an inclined surface matched with the upper part of the inner wall of the second heat dissipation hole;

the first sealing plate is also provided with a plurality of first sealing grooves; the number of the first plugging blocks is consistent with that of the first plugging grooves, and the first plugging blocks correspond to the first plugging grooves one to one; the first plugging block is elastically connected to the first plugging groove through an elastic piece;

the portable VPX chassis further comprises a lifting assembly; the lifting assembly comprises a fixed seat, a limiting rod, a first rotating shaft, a grooved pulley, a first gear, a second gear, a rotating rod and a connecting rope;

2. A portable VPX chassis according to claim 1 wherein the blocking assembly further comprises a connection plate; the top wall is provided with a first long hole and a second long hole; the first plugging plate penetrates through the first long hole in a sliding mode; the second plugging plate penetrates through the second long hole in a sliding mode; the connecting plate is connected between the first sealing plate and the second sealing plate; the connecting plate is positioned above the top wall; the connecting plate is provided with a lifting groove; the connecting plate is connected with a driving part.

3. The portable VPX chassis of claim 1, wherein the lifting assembly further comprises a handle; the vertical section of the rotating rod is in a regular polygon shape; an inner hole which is matched and nested with the rotating rod is formed in the middle of the rotating handle; the rotating handle can slide in the length direction of the rotating rod; the rotating handle comprises 2 handle leaves which are positioned on the same plane;

4. A portable VPX chassis according to claim 3 wherein the lifting assembly further comprises a locking post; the fixed seat is provided with a lock cylinder inner cavity communicated with the waist hole; the locking column is rotatably arranged in the inner cavity of the lock cylinder; the locking column is horizontally arranged and is parallel to the limiting rod; part of the side wall of the locking column forms a planar column outer wall; the outer wall of the column is parallel to the central axis of the locking column; the locking column can rotate to partially extend into the waist hole and can be in contact with the limiting rod; when the locking column rotates to the position where the outer wall of the column is located at the junction of the waist hole and the inner cavity of the lock cylinder, the locking column and the limiting rod keep an interval.

5. The portable VPX chassis of claim 4, wherein the lifting assembly further comprises a second pivot, an abutment bar, an annular plate, a second spring, a first link, a second link, a third link, and a circular plate; the locking column is coaxially connected with the second rotating shaft, the second rotating shaft is rotatably connected with the inner cavity of the lock cylinder, and one end of the second rotating shaft extends out of the fixed seat;

6. The portable VPX cabinet of claim 5, further comprising a dust scraping assembly; the ash scraping component comprises a first connecting rod, a limiting guide rod, a second connecting rod, a linear sliding table module and 2 scraping plates; the case also comprises a fourth side wall which is opposite to and parallel to the third side wall;

7. A control method of a portable VPX cabinet, which is characterized in that the portable VPX cabinet of any one of claims 1 to 6 is applied, and the control method of the portable VPX cabinet comprises the following steps:

8. The method of controlling a portable VPX chassis of claim 7, further comprising: