CN115149448B

CN115149448B - Low-voltage draw-out type switch cabinet with detection function

Info

Publication number: CN115149448B
Application number: CN202210891504.1A
Authority: CN
Inventors: 李黎明; 李小伟; 刘洋
Original assignee: Nanjing Zhongrui Electric Co ltd
Current assignee: Nanjing Zhongrui Electric Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2023-04-07
Anticipated expiration: 2042-07-27
Also published as: CN115149448A

Abstract

The invention relates to the technical field of switch cabinets, in particular to a low-voltage draw-out type switch cabinet with a detection function, which comprises a shell, wherein a containing cavity is formed in the shell, a plurality of bearing plates are fixedly connected in the containing cavity of the shell, the containing cavity of the shell is divided into a plurality of placing cavities by the plurality of bearing plates, a drawer is arranged in each placing cavity in a sliding mode, an air inlet mechanism for extracting external air is arranged on the left side surface of the shell and connected with the plurality of drawers, and an exhaust mechanism for exhausting air in a circulating mode is arranged on the right portion of the shell. According to the invention, through the matching of the air inlet mechanism and the air outlet mechanism, the outside air is extracted and discharged into the drawer, and the air discharged into the drawer is extracted and discharged through the air outlet mechanism, so that the air in the drawer forms circulation, the heat generated by the electric elements in the drawer can be taken out through air circulation, and the electric elements are always in a proper environment in operation, thereby prolonging the service life of the electric elements.

Description

Low-voltage draw-out type switch cabinet with detection function

Technical Field

The invention relates to the technical field of switch cabinets, in particular to a low-voltage draw-out type switch cabinet with a detection function.

Background

The low-voltage draw-out switch cabinet is an electrical device used for power transmission, power distribution and electric energy conversion, and is mainly used in industries such as power plants, petroleum, chemical engineering, metallurgy, textiles, high-rise buildings and the like, because the electronic elements in the low-voltage draw-out switch cabinet can generate heat during working, and the electronic elements can work in a high-temperature environment for a long time, the service life of the device can be reduced, meanwhile, the occurrence rate of accidents is increased, and the low-voltage draw-out switch cabinet needs to seal each drawer of the low-voltage draw-out switch cabinet, so that the phenomenon that external moist air enters the low-voltage draw-out switch cabinet to damp and damage the electronic elements in the low-voltage draw-out switch cabinet is avoided, and because the air outlet and the air inlet of each drawer are different, the air inlet amount in each drawer is different, the environment in each drawer is different, the heat dissipation efficiency of the electronic elements in the drawer is easily influenced, when the single drawer is inspected, the overall heat dissipation effect in the low-voltage draw-out switch cabinet can be influenced, and the dangerous situation of the low-voltage draw-out switch cabinet is easily caused.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a low-voltage draw-out type switch cabinet with a detection function.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a low pressure pull-out type cubical switchboard with detect function, which comprises a housin, it holds the chamber to have seted up on the casing, it has a plurality of loading board to hold the intracavity rigid coupling on the casing, a plurality of loading board is cut apart into a plurality of with the chamber that holds of casing and is placed the chamber, every is placed the intracavity and all slides and is equipped with the drawer, the leading flank of a plurality of drawer all is provided with the pilot lamp that is used for the user state to instruct, control panel has all been inlayed to the leading flank of a plurality of drawer, control panel is located the right side of pilot lamp, a plurality of control panel respectively with adjacent pilot lamp electrical connection, electronic component in the drawer respectively rather than last control panel electrical connection, the left surface of casing is provided with the mechanism of admitting air that is used for the extraction of outside air, mechanism is connected with a plurality of drawers, exhaust mechanism is installed to the right part of casing and is used for the circulation of air exhaust, mechanism evenly discharges into every drawer with gas, the even discharge of exhaust mechanism cooperation drawer, make the even circulation of air in the drawer evenly cool down to electric component.

In addition, particularly preferably, the air inlet mechanism comprises an air inlet casing, the air inlet casing is connected to the left side surface of the casing, the left part of the air inlet casing is provided with a vertical air inlet groove, the right part of the air inlet casing is provided with a plurality of transverse air inlet grooves which are vertically arranged, the vertical air inlet groove on the air inlet casing is communicated with the plurality of transverse air inlet grooves, each transverse air inlet groove is internally provided with an annular casing, the left side surface of each drawer is provided with a sliding groove, the sliding grooves of the drawers are formed by combining rectangular grooves and semicircular grooves, the plurality of annular casings are respectively arranged in the sliding grooves of the adjacent drawers in a sliding manner, the upper part of the air inlet casing is embedded with an air inlet box, the upper part of the air inlet box is detachably connected with a filter screen for filtering dust, and an air inlet assembly for extracting external air is arranged in the air inlet box, every horizontal air inlet inslot all is equipped with first mount, first mount is n shape structure, first baffle is all installed through the axostylus axostyle rotary type at both ends around every first mount, first hinge bar is installed to the equal rotary type in left part of every first baffle, the rotary type is connected with first T shape slide bar between the adjacent first hinge bar, every first T shape slide bar respectively with adjacent first mount sliding connection, the spur rack is all installed to the right part of every first T shape slide bar, all the cover has first spring on every first T shape slide bar, the both ends of every first spring respectively with adjacent first mount and first T shape slide bar rigid coupling, every horizontal air inlet inslot all is equipped with the subassembly that opens and shuts that is used for horizontal air inlet duct to open or close.

Furthermore, it is particularly preferred that the diameters of the plurality of transverse air inlet slots and the circular through holes on each drawer increase in sequence from top to bottom for uniform air flow in each drawer.

In addition, it is particularly preferred that the subassembly that opens and shuts is including the dead lever, the dead lever is equipped with a plurality of, a plurality of dead lever is connected respectively in adjacent horizontal air inlet duct, the dead lever is located the right side of first mount, all be connected with on every dead lever and bear the dish, first drive gear is installed to the equal rotary type in upper portion of every dead lever, adjacent first drive gear meshes with the spur rack mutually, all be connected with the connecting rod in every annular shell, the connecting rod is located the right front side of dead lever, all be connected with on every connecting rod and bear the dish, equal rotary type installs second drive gear on every connecting rod, adjacent second drive gear and first drive gear pass through band pulley and belt drive and be connected, the installation pole is all installed to the left wall in every drawer, all the cover has two sets of axle sleeves on every installation pole, all install the second baffle on every set of axle sleeve, all the cover has two sets of torsional springs on every installation pole, the both ends of two sets of torsional springs are respectively with adjacent installation pole and axle sleeve rigid coupling, circular through-hole has all been seted up to the left part of every drawer, two adjacent second baffles are located circular through-hole on the adjacent drawer, the left side wall of every drawer all install the rack board, adjacent rack board meshes with the second drive gear is connected with the slip respectively.

Furthermore, it is particularly preferred that, exhaust mechanism is including giving vent to anger the shell, go out the right side wall of shell connection, go out and seted up vertical air outlet groove on the shell, go out the left surface of air outlet shell and seted up the horizontal air outlet groove of a plurality of, the horizontal air outlet groove of a plurality of is linked together with the vertical air outlet groove on the shell of giving vent to anger respectively, the case that gives vent to anger has been inlayed on the upper portion of shell, the upper portion detachable connection of case that gives vent to anger has the filter screen, it is used for drawing exhaust air outlet assembly to be equipped with in the case to give vent to anger, a plurality of air outlet through-hole has been seted up to the right part of shell, all install circular shell in the plurality of air outlet through-hole, install the wind speed measurement ware in the circular shell, a plurality of wind speed measurement ware respectively with adjacent control panel electrical connection, the montant is all installed to the right side wall in every drawer, all slide on every montant and be equipped with two sets of axle sleeves, the axle sleeve all installed the third baffle in every montant, two adjacent third baffle cooperations form the disc, the drawer, two second baffles and two third baffle cooperations form seal chamber, all overlap on every montant, the both ends of two torsional springs respectively with adjacent montant and axle sleeve rigid couplings, all install the closed assembly that is used for sealing assembly that gives vent to seal up or open in every montant.

In addition, it is particularly preferable that the sealing assembly includes a second fixing frame, the second fixing frame is connected in the adjacent air outlet through holes, a fourth baffle is rotatably mounted on each second fixing frame, a second hinge rod is rotatably mounted on the right side surface of each fourth baffle, a second T-shaped slide rod is rotatably mounted between the adjacent second hinge rods, the plurality of second T-shaped slide rods are slidably connected with the adjacent second fixing frames respectively, a second spring is sleeved on each second fixing frame, and two ends of each second spring are fixedly connected with the adjacent second fixing frames and the adjacent second T-shaped slide rods respectively.

In addition, it is particularly preferred that the diameters of the plurality of transverse air outlet grooves and the plurality of air outlet through holes are sequentially increased from top to bottom, and the air outlet amount for each drawer is consistent.

In addition, it is especially preferred that a plurality of transverse air inlet grooves, a plurality of round through holes on the drawer, a plurality of air outlet through holes and a plurality of transverse air outlet grooves are opposite to each other in the left-right direction, and the diameters of the four transverse air inlet grooves, the round through holes on the drawer, the air outlet through holes and the transverse air outlet grooves are the same.

In addition, especially preferred is, still including the leading wheel, a set of leading wheel is installed to the equal rotary type in left and right sides of every drawer, and a set of leading wheel is equipped with a plurality of, has all seted up a plurality of sliding tray on casing and the air inlet casing, and a plurality of leading wheel slides respectively and sets up in adjacent sliding tray, and leading wheel and sliding tray are used for removing the direction to the drawer.

In addition, it is particularly preferred, still including rotatory handle, rotatory handle is equipped with a plurality of, the left part at every drawer is installed to a plurality of rotatory handle rotary type respectively, the front portion of rotatory handle is L shape structure, the rear portion of rotatory handle is connected with the gear, the cavity has all been seted up to the front portion of every drawer, the rear portion of a plurality of rotatory handle is located adjacent drawer epicoele internally, it has two movable racks to slide in the cavity of every drawer, the medial surface of controlling adjacent two movable racks all is equipped with the pinion rack, and the tooth of adjacent movable rack is relative, adjacent movable rack goes up the pinion rack and meshes with adjacent rotatory handle epicylic gear respectively, all be connected with the sealing strip on every movable rack, every movable rack respectively with casing or air inlet housing sliding seal connection, the seal frame is all installed to the upper portion rotary type of every drawer, and the front portion of every seal frame all is equipped with the sealing strip, sealing strip on every movable rack and the sealing strip on every seal frame are used for the all-round sealed cavity is sealed.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, through the matching of the air inlet mechanism and the air exhaust mechanism, the air inlet assembly is used for extracting outside air and discharging the air into the drawer, the air outlet assembly is used for extracting the air discharged into the drawer, so that the air in the drawer is circulated, the air circulation can bring out heat generated by the electric elements in the drawer, the work of the electric elements is always in a proper environment, and the service life of the electric elements is prolonged; two groups of guide wheels on the drawer are matched with the sliding grooves, so that the friction force between the drawer and a bearing plate of the shell is reduced, and the service life of the drawer is prolonged; the sealing frame swings to enable the sealing strips on the sealing frame to be in close contact with the top of the drawer, the two moving frames move outwards to be in close contact with the shell or the air inlet shell through the sealing strips on the moving frames, the drawer and the shell are matched and sealed, leakage is avoided, and external moist air enters the drawer to damage electrical elements in the drawer.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the air inlet housing of the present invention.

Fig. 3 is a schematic perspective view of the drawer according to the present invention.

Fig. 4 is a partial perspective view of the intake mechanism of the present invention.

Fig. 5 is a partially cut-away perspective view of the intake mechanism of the present invention.

Fig. 6 is a schematic perspective view of the exhaust mechanism of the present invention.

Fig. 7 is a schematic sectional perspective view of the housing of the present invention.

Fig. 8 is a partially cut-away perspective view of the venting mechanism of the present invention.

Fig. 9 is a schematic perspective view of the movable stand according to the present invention.

The parts are labeled as follows: 1-shell, 2-drawer, 3-indicator light, 4-control panel, 6-air inlet mechanism, 601-air inlet shell, 602-transverse air inlet groove, 603-annular shell, 604-air inlet box, 605-air inlet component, 606-first fixing frame, 607-first baffle, 608-first hinge rod, 609-first T-shaped slide rod, 610-straight rack, 611-first spring, 612-fixing rod, 613-first transmission gear, 614-connecting rod, 615-second transmission gear, 616-mounting rod, 617-second baffle, 618-rack plate, 7-exhaust mechanism, 701-air outlet shell, 702-transverse air outlet groove, 703-air outlet box, 704-air outlet component, 705-air outlet through hole, 706-circular shell, 707-wind speed measurer, 708-third baffle, 709-second fixing frame, 710-fourth baffle, 711-second hinge rod, 712-second T-shaped slide rod, 713-second spring, 8-sliding groove, 9-guide wheel, 10-moving handle, 10-rotating frame, and 12-rotating frame.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example 1

The utility model provides a low pressure pull-out type cubical switchboard with detect function, as shown in fig. 1-8, including casing 1, casing 1 is last to have seted up and to hold the chamber, the intracavity rigid coupling that holds on the casing 1 has a plurality of loading board, and the vertical equidistance of a plurality of loading board is arranged, a plurality of loading board is cut apart into a plurality of chamber of placing with the chamber that holds of casing 1, every is placed the intracavity and is all slided and is equipped with drawer 2, the lower part of a plurality of 2 front sides of drawer all is connected with two handles, the front side of a plurality of drawer 2 all is provided with pilot lamp 3 and control panel 4, pilot lamp 3 is used for the in service behavior instruction, control panel 4 is located the right side of pilot lamp 3, a plurality of control panel 4 respectively with adjacent pilot lamp 3 electrical connection, electronic component in drawer 2 respectively rather than last control panel 4 electrical connection, when the electrical component in drawer 2 breaks down, control panel 4 sends bright-colored light source with it therewith, and the light source colour that this embodiment adopted is red, also can adopt other colours as the instruction, casing 1 left side is provided with air inlet mechanism 6, air inlet mechanism and exhaust mechanism is installed in a plurality of drawer 2, the right side of drawer and the drawer is installed the suitable exhaust mechanism and the heat of the drawer 2 in the drawer and make the drawer 2 of the drawer 2 draw out the suitable exhaust mechanism of the exhaust mechanism, the suitable exhaust mechanism of the drawer, the drawer 2, the exhaust mechanism, the suitable exhaust mechanism is in the suitable exhaust mechanism of the suitable air temperature of the drawer 2, the suitable air extraction mechanism, the suitable exhaust mechanism of the drawer 2.

As shown in fig. 2-5, the air intake mechanism 6 includes an air intake casing 601, the air intake casing 601 is connected to the left side of the housing 1, the left portion of the air intake casing 601 is provided with a vertical air intake slot, the right portion of the air intake casing 601 is provided with a plurality of transverse air intake slots 602, the plurality of transverse air intake slots 602 are arranged in a vertical and equidistant manner, the vertical air intake slot on the air intake casing 601 is communicated with the plurality of transverse air intake slots 602, the right portion in each transverse air intake slot 602 is provided with an annular casing 603 adapted to the horizontal air intake slot, the left side of each drawer 2 is provided with a sliding slot, the sliding slot of the drawer 2 is formed by a combination of a rectangular slot and a semicircular slot, the plurality of annular casings 603 are respectively slidably arranged in the sliding slots on the adjacent drawers 2, an air intake box 604 is embedded in the upper portion of the air intake casing 601, the upper portion of the air intake box 604 is detachably connected with a filter screen for filtering dust, an air intake component 605 for extracting outside air is arranged in the air intake box 604, the air intake assembly 605 is used for extracting outside air, dust in the extracted air is filtered by a filter screen, and the extracted air is dried air, so that moist air is prevented from entering the drawer 2, electronic components in the drawer 2 are affected with damp and damaged, a first fixing frame 606 and a fixing rod 612 are arranged in each transverse air intake slot 602 from left to right, the first fixing frame 606 is in an n-shaped structure, first baffles 607 are rotatably installed at the front end and the rear end of each first fixing frame 606 through shafts, the two first baffles 607 are matched for opening or closing the transverse air intake slots 602, a first hinge rod 608 is rotatably installed at the left part of each first baffle 607, a first T-shaped slide bar 609 is rotatably connected between the adjacent first hinge rods 608, and each first T-shaped slide bar 609 is respectively in sliding connection with the adjacent first fixing frames 606, a spur rack 610 is mounted at the right part of each first T-shaped sliding rod 609, a first spring 611 is sleeved on each first T-shaped sliding rod 609, two ends of each first spring 611 are fixedly connected with a first fixing frame 606 and a first T-shaped sliding rod 609 which are adjacent respectively, a first transmission gear 613 meshed with the adjacent spur rack 610 is rotatably mounted at the upper part of each fixing rod 612, a connecting rod 614 is connected in each annular shell 603, the connecting rod 614 is positioned at the right front side of the fixing rod 612, bearing discs are connected on each fixing rod 612 and each connecting rod 614, a second transmission gear 615 is rotatably mounted on each connecting rod 614, the first transmission gear 613 and the second transmission gear 615 are respectively positioned at the upper sides of the adjacent bearing discs, the adjacent second transmission gear 615 and the first transmission gear 613 are in transmission connection through a belt wheel and a belt, a mounting rod 616 is mounted on the left wall in each drawer 2, each mounting rod 616 is sleeved with two shaft sleeves, each shaft sleeve is provided with a second baffle 617, the two second baffles 617 are matched and used for opening or closing a circular through hole of each drawer 2, each mounting rod 616 is sleeved with two torsion springs, two ends of each torsion spring are fixedly connected with the adjacent mounting rod 616 and the shaft sleeves respectively, the left part of each drawer 2 is provided with a circular through hole, the diameters of a plurality of transverse air inlet grooves 602 and the circular through holes on each drawer 2 are sequentially increased from top to bottom, so that the air flow in each drawer 2 is consistent, the adjacent two second baffles 617 are positioned in the circular through holes on the adjacent drawers 2, the left side wall of each drawer 2 is provided with a rack plate 618 which is meshed with the adjacent second transmission gear 615, each rack plate 618 is respectively connected with the adjacent annular shell 603 in a sliding manner, the drawer 2 moves backwards to enable the adjacent second transmission gear 615 to rotate through the rack plate 618 on the drawer 2, the second transmission gear 615 rotates through the transmission of a belt wheel and a belt, so that the first transmission gear 613 rotates to drive the spur rack 610 to move leftwards, the spur rack 610 moves leftwards, the first hinged rod 608 on the spur rack 610 is driven by the first T-shaped sliding rod 609, the first baffle 607 connected with the spur rack is driven to swing leftwards, the transverse air inlet groove 602 is opened, the air flows to impact the second baffle 617 to enable the second baffle 617 to swing rightwards, the circular through hole of the drawer 2 is opened, and the air flows into the drawer 2 along with the circular through hole to cool the electronic element in the drawer 2.

As shown in fig. 6-8, the exhaust mechanism 7 includes an air outlet housing 701, the air outlet housing 701 is connected to the right side wall of the housing 1, a vertical air outlet slot is formed on the air outlet housing 701, a plurality of horizontal air outlet slots 702 are formed on the left side surface of the air outlet housing 701, the plurality of horizontal air outlet slots 702 are arranged in a vertical equal distance, the plurality of horizontal air outlet slots 702 are respectively communicated with the vertical air outlet slots on the air outlet housing 701, an air outlet box 703 is embedded on the upper portion of the air outlet housing 701, a filter screen is detachably connected to the upper portion of the air outlet box 703, an air outlet assembly 704 for extracting and discharging air is arranged in the air outlet box 703, a plurality of air outlet through holes 705 are formed on the right portion of the housing 1, the diameters of the plurality of horizontal air outlet slots 702 and the plurality of air outlet through holes 705 are sequentially increased from top to bottom, so that the air output in each drawer 2 is consistent, the plurality of horizontal air inlet slots 602, the plurality of circular through holes on the drawers 2, the plurality of air outlet through holes 705 and the plurality of horizontal air outlet slots 702 are opposite from left to right, the diameters of the four air outlet through holes are the same, so that the air inlet volume and the air outlet volume are consistent, heat generated by the electronic element can be conveniently discharged, the circular shells 706 are arranged in the air outlet through holes 705, the air outlet assembly 704 works through the vertical air outlet groove, the horizontal air outlet groove 702, the air outlet through holes 705 and the circular shells 706 of the air outlet shell 701 to extract air in the drawer 2, so that the air in the drawer 2 is circulated, the air flow in the drawer 2 is accelerated, the heat generated by the electronic element is taken out, the electronic element is always in a proper temperature environment to work, accidents are reduced, the air speed measurer 707 is arranged in the circular shell 706, the air speed measurers 707 are respectively and electrically connected with the adjacent control panels 4, and the air speed measurer 707 is used for measuring the air speed and the air flow in the drawer 2, and data is transmitted to the control panel 4, when the air flow rate or flow amplitude changes greatly, the control panel 4 starts the indicator lamp 3 to emit light sources, so that a user can know and detect the light sources, vertical rods are mounted on the right side wall in each drawer 2, two sets of shaft sleeves are slidably arranged on each vertical rod, a third baffle 708 is mounted on each shaft sleeve, two torsion springs are sleeved on each vertical rod, two ends of each torsion spring are fixedly connected with the adjacent vertical rod and the adjacent shaft sleeve respectively, the adjacent two third baffles 708 are matched and used for opening or closing the circular shell 706, so that the drawer 2, the two second baffles 617 and the two third baffles 708 are matched to form a sealed cavity, a second fixing frame 709 is fixedly connected in each air outlet through hole 705, a fourth baffle 710 is rotatably mounted on each second fixing frame 709, the two fourth baffles 710 are matched and used for opening or closing the air outlet through hole 705, a second rod 711 is rotatably mounted on the right side surface of each fourth baffle 710, a second T-shaped sliding rod 712 is rotatably mounted between the adjacent second hinged rods 711, a plurality of second T-shaped sliding rods are respectively slidably connected with the adjacent second fixing frames 709, and two adjacent second springs 713 are fixedly connected with the second fixing frames 712 on the second fixing frames 709 and two adjacent second sliding rods 713.

3-5 show the using state, when needing to adopt the invention to transmit electricity, the user puts the invention in the right position, and supplies electricity to use, the air intake assembly 605 and the air outlet assembly 704 start working at this moment, the air intake assembly 605 extracts and dries the outside air, the air extracted from the outside by the air intake assembly 605 is sent into a plurality of transverse air intake slots 602 by the vertical air intake slot of the air intake shell 601, the air in the transverse air intake slot 602 enters into it by the round through hole on the drawer 2, the air outlet assembly 704 works to extract the air in the drawer 2 by the vertical air outlet slot, the transverse air outlet slot 702 and the air outlet through hole 705 on the air outlet shell 701, at the same time, two fourth baffles 710 in the air outlet through hole 705 can swing to the right, the two fourth baffles 710 swing to the right through the second hinged rod 711 on the baffles to move the second T-shaped sliding rod 712 connected with the baffles to the right, the second spring 713 is compressed accordingly, and the air extraction can make the two third baffles 708 swing rightwards to open the adjacent circular shells 706, extract and discharge the air in the drawer 2, so that the air in the drawer 2 forms a circulation, the air circulation can bring out the heat generated by the electric elements in the drawer 2, so that the electric elements can work in a proper environment all the time, thereby prolonging the service life of the electric elements, the wind speed measurer 707 can detect the speed and flow rate of the air flowing in the drawer 2 and transmit the data to the control panel 4 on the drawer 2, the control panel 4 displays the data, so that a user can know the air flow rate or flow rate in the drawer 2 by viewing the displayed data, when the air flow rate or flow rate changes greatly or the electric elements in the drawer 2 break down, the control panel 4 starts the indicator lamp 3 to light up accordingly, the user is conveniently reminded to detect the leakproofness of corresponding drawer 2.

When the indicator light 3 on one of the drawers 2 lights up or the switch cabinet is routinely checked, a user pulls the corresponding drawer 2 forward, the drawer 2 moves forward to enable the second transmission gear 615 to rotate through the rack plate 618, the second transmission gear 615 rotates through the belt wheel and the belt transmission, the first transmission gear 613 rotates to drive the spur rack 610 to move rightwards, the spur rack 610 moves rightwards through the first T-shaped sliding rod 609 and the first hinge rod 608, the two first baffles 607 swing rightwards, the first fixing frame 606 limits the swinging of the first baffles 607, the two first baffles 607 cooperate to close the corresponding transverse air inlet groove 602, air in the closed transverse air inlet groove 602 does not flow rightwards any more, the two fourth baffles 710 swing to reset under the action of the second spring 713 to close the air outlet through hole 705, the air inlet assembly 605 has the same air flow rate, when one or more transverse air inlet grooves 602 are closed, the other non-closed transverse air inlet grooves 602 increase, the air outlet assembly 704 has the same air outlet speed, the drawer inlet assembly 605 cooperates with the air inlet assembly 605 to increase the air flow rate of the drawer 2, and the air flow rate of the drawer 2 is increased after one or more transverse air inlet grooves 602 is closed, the drawer is pulled out, and the drawer 2, the drawer is detected, and the drawer 2 is pulled out of the drawer.

Example 2

On the basis of embodiment 1, as shown in fig. 3, fig. 4 and fig. 7, still include leading wheel 9, a set of leading wheel 9 is installed to the equal rotary type in the left and right sides of every drawer 2, a set of leading wheel 9 is equipped with a plurality of, a plurality of sliding tray 8 has all been seted up on casing 1 and the shell 601 that admits air, a plurality of leading wheel 9 slides respectively and sets up in adjacent sliding tray 8, leading wheel 9 and sliding tray 8 cooperation are used for making drawer 2 move on the loading board of casing 1, reduce the loading board frictional force of drawer 2 and casing 1, prolong the life of drawer 2.

Example 3

On the basis of the embodiment 2, as shown in fig. 3 and 9, the multifunctional drawer rack further comprises a plurality of rotating handles 10, the plurality of rotating handles 10 are respectively rotatably installed at the left part of each drawer 2, the front parts of the rotating handles 10 are of an L-shaped structure, the rear parts of the rotating handles 10 are connected with gears, the front parts of the drawers 2 are respectively provided with a cavity, the rear parts of the plurality of rotating handles 10 are located in the upper cavities of the adjacent drawers 2, two moving frames 11 are slidably arranged in the cavities of the drawers 2, the inner side surfaces of the left and right adjacent moving frames 11 are respectively provided with toothed plates, the teeth of the toothed plates on the adjacent moving frames 11 are opposite, the toothed plates on the adjacent moving frames 11 are respectively engaged with the gears on the adjacent rotating handles 10, and each moving frame 11 is connected with a sealing strip, the rotary handle 10 rotates anticlockwise to enable the two movable frames 11 to move outwards through the gears on the rotary handle, the two movable frames 11 move outwards to be in close contact with the shell 1 or the air inlet shell 601 through the sealing strips on the movable frames 11, the drawer 2 is matched and sealed with the shell 1, the sealing frames 12 are rotatably mounted on the upper portion of each drawer 2, the sealing strips are arranged on the front portions of the sealing frames 12, after the drawer 2 moves backwards and resets, the sealing frames 12 on the drawer 2 are limited by the shell 1 or the drawer 2, the sealing frames 12 swing to enable the sealing strips on the sealing frames to be in close contact with the top of the drawer 2, the sealing strips on the movable frames 11 and the sealing strips on the sealing frames 12 are used for sealing the cavity in an all-around mode, and air leakage in the drawer 2 is avoided, so that external humid air enters the drawer 2 and damages to electric elements in the drawer are caused.

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 specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. The utility model provides a low pressure pull-out type cubical switchboard with detect function, including casing (1), the chamber has been seted up on casing (1), the intracavity rigid coupling that holds on casing (1) has a plurality of loading board, a plurality of loading board is divided into a plurality of chamber of placing with the chamber that holds of casing (1), each is placed the intracavity and all slides and is equipped with drawer (2), the leading flank of a plurality of drawer (2) all is provided with pilot lamp (3) that are used for the user state instruction, control panel (4) all have been inlayed to the leading flank of a plurality of drawer (2), control panel (4) are located the right side of pilot lamp (3), a plurality of control panel (4) are respectively with adjacent pilot lamp (3) electrical connection, electronic component in drawer (2) respectively with control panel (4) electrical connection above that, the characteristics, still including air inlet mechanism (6), air inlet mechanism (6) that are used for the extraction of external air sets up the left surface of casing (1), air inlet mechanism (6) are connected with a plurality of drawer (2), the right side portion of casing (1) is installed and is used for the circulation exhaust air of the even exhaust air of ventilation mechanism (7) and make the drawer even exhaust mechanism (2) of drawer exhaust air, the even exhaust mechanism (7) of drawer and exhaust mechanism (2) make the drawer even exhaust air flow out;

the air inlet mechanism (6) comprises an air inlet shell (601), the air inlet shell (601) is connected to the left side surface of the shell (1), a vertical air inlet groove is formed in the left portion of the air inlet shell (601), a plurality of transverse air inlet grooves (602) are formed in the right portion of the air inlet shell (601), the plurality of transverse air inlet grooves (602) are vertically arranged, the vertical air inlet grooves in the air inlet shell (601) are communicated with the plurality of transverse air inlet grooves (602), an annular shell (603) is arranged in each transverse air inlet groove (602), a sliding groove is formed in the left side surface of each drawer (2), the sliding grooves of the drawers (2) are formed by combining a rectangular groove and a semicircular groove, a plurality of annular shells (603) are respectively arranged in the sliding grooves of the adjacent drawers (2) in a sliding mode, an air inlet box (606) is embedded in the upper portion of the air inlet shell (601), a filter screen for dust filtration is detachably connected to the upper portion of the air inlet box (604), an air inlet assembly (605) for external air extraction is arranged in the air inlet box (604) in a hinged mode, a first fixing frame (606), a rotary type rotary baffle (607) is arranged between the front and back of a first rotary type rotary baffle (607) and a first rotary type baffle (607) which is arranged on the front end of a first fixing frame (606), each first T-shaped sliding rod (609) is connected with an adjacent first fixing frame (606) in a sliding mode, a spur rack (610) is installed at the right portion of each first T-shaped sliding rod (609), a first spring (611) is sleeved on each first T-shaped sliding rod (609), two ends of each first spring (611) are fixedly connected with the adjacent first fixing frame (606) and the adjacent first T-shaped sliding rod (609), and an opening and closing assembly used for opening or closing the transverse air inlet groove (602) is arranged in each transverse air inlet groove (602);

the opening and closing assembly comprises fixing rods (612), a plurality of fixing rods (612) are arranged, the fixing rods (612) are respectively connected into adjacent transverse air inlet grooves (602), the fixing rods (612) are positioned on the right side of a first fixing frame (606), each fixing rod (612) is connected with a bearing disc, a first transmission gear (613) is rotatably mounted at the upper part of each fixing rod (612), adjacent first transmission gears (613) are meshed with a straight rack (610), each annular shell (603) is internally connected with a connecting rod (614), the connecting rod (614) is positioned on the right front side of the fixing rod (612), each connecting rod (614) is connected with a bearing disc, a second transmission gear (615) is rotatably mounted on each connecting rod (614), adjacent second transmission gears (615) and first transmission gears (613) are connected with a belt wheel and a belt in a transmission manner, mounting rods (616) are mounted on the left wall of each drawer (2), two sets of shaft sleeves are sleeved on each mounting rod (616), each set of shaft sleeves are respectively mounted on a second baffle (615), each set of mounting rod (616), each mounting rod (617) is connected with a belt wheel and a belt, two ends of two sets of adjacent round torsion springs (617) are respectively sleeved on each drawer (617, two ends of two sets of the corresponding round torsion springs (616), and two round through holes of the corresponding round torsion spring (617) are respectively formed in the adjacent round through holes of the corresponding drawer (617) of the two drawer (616), each drawer (617) which are fixedly connected with the two drawer (617) on each drawer (616), and rack plates (618) are arranged on the left side wall of each drawer (2), the adjacent rack plates (618) are meshed with the second transmission gear (615), and each rack plate (618) is slidably connected with the adjacent annular shell (603).

2. The low-voltage draw-out type switch cabinet with the detection function as claimed in claim 1, wherein the diameters of the plurality of transverse air inlet grooves (602) and the circular through holes on each drawer (2) are sequentially increased from top to bottom, so that the air flow in each drawer (2) is consistent.

3. The low-voltage draw-out type switch cabinet with the detection function according to claim 1, wherein the exhaust mechanism (7) comprises an air outlet shell (701), the air outlet shell (701) is connected to the right side wall of the shell (1), a vertical air outlet groove is formed in the air outlet shell (701), a plurality of horizontal air outlet grooves (702) are formed in the left side surface of the air outlet shell (701), the plurality of horizontal air outlet grooves (702) are respectively communicated with the vertical air outlet grooves in the air outlet shell (701), an air outlet box (703) is embedded in the upper portion of the air outlet shell (701), a filter screen is detachably connected to the upper portion of the air outlet box (703), an air outlet assembly (704) for extracting and discharging air is arranged in the air outlet box (703), a plurality of air outlet through holes (705) are formed in the right portion of the shell (1), a circular shell (706) is arranged in each air outlet through hole (705), a plurality of air speed measuring devices (707) are respectively and electrically connected with an adjacent control panel (4), a vertical rod is arranged on the right side wall of each drawer (2), a shaft sleeve is provided with a vertical rod, two sets of sliding shaft sleeves are respectively provided with a third baffle plate (617), and a third baffle plate (708) is arranged in a third baffle plate (708), two torsion springs are sleeved on each vertical rod, two ends of each torsion spring are fixedly connected with the adjacent vertical rod and the adjacent shaft sleeve respectively, and a sealing component used for sealing or opening is installed in each air outlet through hole (705).

4. The low voltage draw-out type switch cabinet with detection function as claimed in claim 3, wherein the diameters of the plurality of transverse air outlet slots (702) and the plurality of air outlet through holes (705) are increased from top to bottom in sequence, and the air outlet amount for each drawer (2) is consistent.

5. The low-voltage draw-out type switch cabinet with the detection function according to claim 3, wherein a plurality of transverse air inlet grooves (602), a plurality of circular through holes on the drawer (2), a plurality of air outlet through holes (705) and a plurality of transverse air outlet grooves (702) are opposite to each other in the left-right direction, and the diameters of the four grooves are the same.

6. The low-voltage draw-out type switch cabinet with the detection function as claimed in claim 3, wherein the sealing assembly comprises second fixing frames (709), the second fixing frames (709) are connected in adjacent air outlet through holes (705), a fourth baffle (710) is rotatably mounted on each second fixing frame (709), a second hinge rod (711) is rotatably mounted on the right side surface of each fourth baffle (710), a second T-shaped sliding rod (712) is rotatably mounted between adjacent second hinge rods (711), a plurality of second T-shaped sliding rods (712) are slidably connected with adjacent second fixing frames (709) respectively, a second spring (713) is sleeved on each second fixing frame (709), and two ends of each second spring (713) are fixedly connected with the adjacent second fixing frames (709) and the adjacent second T-shaped sliding rods (712) respectively.

7. The low-voltage draw-out type switch cabinet with the detection function according to claim 1, characterized by further comprising guide wheels (9), wherein a group of guide wheels (9) are rotatably mounted on each of the left side and the right side of each drawer (2), a plurality of guide wheels (9) are provided, a plurality of sliding grooves (8) are formed in the housing (1) and the air inlet casing (601), the plurality of guide wheels (9) are respectively slidably arranged in the adjacent sliding grooves (8), and the guide wheels (9) and the sliding grooves (8) are used for guiding the movement of the drawer (2).

8. The low-voltage draw-out type switch cabinet with the detection function according to claim 1, characterized by further comprising a plurality of rotating handles (10), wherein the plurality of rotating handles (10) are rotatably mounted at the left part of each drawer (2) respectively, the front parts of the rotating handles (10) are of an L-shaped structure, gears are connected to the rear parts of the rotating handles (10), a cavity is formed in the front part of each drawer (2), the rear parts of the plurality of rotating handles (10) are located in the upper cavities of the adjacent drawers (2), two moving frames (11) are slidably mounted in the cavity of each drawer (2), toothed plates are arranged on the inner side surfaces of the two moving frames (11) adjacent to each other on the left side and the right side, teeth of the toothed plates on the adjacent moving frames (11) are opposite to teeth of the toothed plates on the adjacent moving frames (11), the toothed plates on the adjacent moving frames (11) are respectively meshed with the gears on the adjacent rotating handles (10), sealing strips are connected to each moving frame (11), each moving frame (11) is respectively connected with a sealing strip, the sealing strip is mounted on the upper part of each moving frame (11) which is connected with a sealing strip (601), and each sealing strip is mounted on the front part of each rotating handle (12) and each sealing strip (12).