CN214899748U

CN214899748U - Low-voltage draw-out type switch cabinet with dehumidification function

Info

Publication number: CN214899748U
Application number: CN202121575041.5U
Authority: CN
Inventors: 杨坚锡; 李毅涛
Original assignee: Xinjiang Mingdian Electric Co ltd
Current assignee: Xinjiang Mingdian Electric Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2021-11-26
Anticipated expiration: 2031-07-12

Abstract

The utility model provides a low pressure pull-out type cubical switchboard with dehumidification function. The low-voltage draw-out type switch cabinet with the dehumidification function comprises: the worktable is provided with a dehumidifying mechanism and four clamping mechanisms; dehumidification mechanism is including cubical switchboard body, two baffles, three pull box, isolation support, triangle top cap, two rectangle openings one, two rectangular frame and two active carbon filter screens, cubical switchboard body fixed mounting is at the top of workstation, two the equal fixed mounting of baffle is originally internal at the cubical switchboard, and is three the pull box all sets up at the cubical switchboard originally internally, the technical problem of the utility model is to provide a can use the gas after the filter drying to circulate and take a breath to the cubical switchboard, can fill the low pressure pull-out type cubical switchboard that has the dehumidification function that protective gas prevents the burning automatically when smog appears in the cubical switchboard inside simultaneously.

Description

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

Technical Field

The utility model belongs to the technical field of the pull-out type cubical switchboard, especially, relate to a low pressure pull-out type cubical switchboard with dehumidification function.

Background

The low-voltage switch cabinet is suitable for power plant, petroleum, chemical industry, metallurgy, textile, high-rise building and other industries, and is used for power transmission, distribution and electric energy conversion, the low-voltage draw-out switch cabinet consists of a fixed cabinet body and a movable device part which is provided with main electrical components such as a switch and the like, the movable part needs to be portable when being moved and replaced, and the positioning needs to be reliable after being moved, and the drawers with the same type and specification can be reliably exchanged, the processing method of the cabinet body part in the drawing-out type is basically similar to that of the fixed type middle cabinet body, in the prior art, a low-voltage draw-out type switch cabinet with a heat dissipation function is disclosed, and comprises a base and a switch cabinet body arranged on the base, wherein an air inlet is formed in the top of the switch cabinet body, a first dehumidifying part is arranged in the air inlet, an air inlet cover is covered above the air inlet, a refrigerating part is fixedly connected to the upper end of the interior of the air inlet cover, and an exhaust fan is arranged below the refrigerating part; the peripheral side wall of the lower end of the switch cabinet body is provided with air outlets; the periphery of the base is provided with a second dehumidifying part which surrounds the outer side of the switch cabinet body. The switch cabinet has the advantages that the structural design is reasonable, and the refrigeration piece and the dehumidification piece are respectively arranged on the upper side and the lower side of the exhaust fan, so that the dehumidified cold air can be conveyed into the switch cabinet body, the heat dissipation effect is good, and the corrosion to electronic elements in the switch cabinet due to overhigh humidity in the switch cabinet body is effectively avoided; the base also sets up dehumidification piece all around for absorb cubical switchboard body lower extreme moisture all around, further improvement dehumidification effect.

However, the above structure has disadvantages that, when the switch cabinet is subjected to ventilation operation, air in the external environment may have corrosiveness, and the direct entering of the air into the switch cabinet may corrode internal electronic devices, so that the air needs to be replaced by a maintenance worker, which is time-consuming and labor-consuming.

Therefore, there is a need to provide a new low-voltage draw-out type switch cabinet with dehumidification function to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a can use the gas after the filter drying to the cubical switchboard to circulate and take a breath, can fill the low pressure pull-out type cubical switchboard that has the dehumidification function that protective gas prevents the burning into automatically when the inside smog of cubical switchboard appears simultaneously.

In order to solve the technical problem, the low-voltage draw-out type switch cabinet with the dehumidification function provided by the utility model comprises a workbench, wherein a dehumidification mechanism and four clamping mechanisms are arranged on the workbench; the dehumidification mechanism comprises a switch cabinet body, two partition plates, three drawing boxes, an isolation support, a triangular top cover, a first rectangular through hole, two rectangular frames and two activated carbon filter screens, the switch cabinet body is fixedly arranged at the top of the workbench, the two partition plates are fixedly arranged in the switch cabinet body, the three drawing boxes are arranged in the switch cabinet body, one end of each drawing box extends out of the switch cabinet body and is in sliding connection with the switch cabinet body, the isolation support is fixedly arranged at the top of the switch cabinet body, the triangular top cover is fixedly arranged at the top end of the isolation support, the triangular top cover is matched with the isolation support, the first rectangular through holes are respectively arranged on the outer walls at two sides of the isolation support, the two rectangular frames are respectively arranged in the first corresponding rectangular through holes, and one side of each rectangular frame extends out of the first rectangular through hole, the activated carbon filter screens are respectively and fixedly arranged in the corresponding rectangular frames;

the clamping mechanism comprises an installation block, an installation groove, a T-shaped block and two fixing mechanisms, the installation block is fixedly installed on a rectangular frame, the installation groove is formed in the outer wall of one side of the isolation support, the T-shaped block is fixedly installed on the outer wall of one side of the installation block, one side of the T-shaped block extends into the installation groove, each fixing mechanism comprises two telescopic rods, a clamping block, two springs I, a clamping groove, a sliding rod I, a pushing block, a spring II and a triangular jacking block, the two telescopic rods are fixedly installed on the inner wall of the bottom of the installation groove, the clamping block is fixedly installed at the top ends of the two telescopic rods, the two springs I are respectively sleeved on the corresponding telescopic rods in a sliding mode, the bottom ends of the springs I are fixedly connected with the inner wall of the bottom of the installation groove, the top ends of the springs I are fixedly connected with the bottom of the clamping block, and the clamping groove is formed in the outer wall of one side of the clamping block, the sliding groove is arranged on the inner wall of the bottom of the mounting groove, a sliding rod is fixedly mounted on the inner wall of one side of the sliding groove, the push block is slidably mounted on the sliding rod, the top end of the push block extends out of the sliding groove, a spring two sliding sleeve is arranged on the sliding rod one, one end of the spring two is fixedly connected with the inner wall of one side of the sliding groove, the other end of the spring two is fixedly connected with the outer wall of one side of the push block, a triangular ejection block is fixedly mounted on the outer wall of one side of the push block, the triangular ejection block extends into the clamping groove, and the triangular ejection block is matched with the clamping groove.

As a further scheme of the utility model, rectangle opening two has been seted up at the top of cubical switchboard body, fixed mounting has filter screen one in the rectangle opening two, the top fixed mounting of cubical switchboard body has supplementary box, two circular openings have been seted up at the top of supplementary box, the top inner wall fixed mounting of supplementary box has ventilation fan, the top fixed mounting of cubical switchboard body has the storing box, be provided with the drier in the storing box.

As a further scheme of the utility model, two equal fixed mounting has the block rubber on the one side outer wall that the clamp splice is close to each other, the block rubber contacts with T-shaped piece, fixed mounting has same gag lever post on the both sides inner wall of sliding tray, gag lever post and ejector pad sliding connection.

As a further scheme of the utility model, fixed mounting has a handle one on one side outer wall of installation piece, one side outer wall fixed mounting of pull box has a handle two, two ventilation holes have been seted up on the baffle, rectangle opening three has been seted up on one side inner wall of cubical switchboard body, fixed mounting has filter screen two in the rectangle opening three, the bottom fixed mounting of pull box has the gyro wheel, the gyro wheel contacts with the top of baffle, the top fixed mounting of baffle has the baffle, the baffle contacts with the pull box that corresponds.

As a further scheme of the utility model, the top fixed mounting of workstation has the carbon dioxide jar, the top fixed mounting of carbon dioxide jar has L shape connecting pipe, the one end of L shape connecting pipe extends to this internally of cubical switchboard, fixed mounting has the solenoid valve on the L shape connecting pipe.

As a further scheme of the utility model, fixed mounting has the PLC controller on one side outer wall of cubical switchboard body, fixed mounting has smoke transducer on the top inner wall of cubical switchboard body, fixed mounting has humidity transducer on one side inner wall of cubical switchboard body.

Compared with the prior art, the utility model provides a low pressure pull-out type cubical switchboard with dehumidification function has following beneficial effect:

1. the utility model has the advantages that the dehumidification mechanism is arranged, the dehumidification mechanism can circulate the air in the switch cabinet body for ventilation, and the ventilation operation can be carried out on the air with moisture in the switch cabinet;

2. the utility model discloses a set up fixture, fixture makes can change the washing operation to the active carbon filter screen, has the active carbon filter screen that can change and reach the saturated condition after long-time the use.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic side view and sectional structure view of the low-voltage draw-out type switch cabinet with dehumidification function of the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is a schematic front view of the low-voltage draw-out type switch cabinet with dehumidification function of the present invention.

In the figure: 1. a work table; 2. a switch cabinet body; 3. a partition plate; 4. a box is drawn out; 5. an isolation support; 6. a triangular top cover; 7. a first rectangular through opening; 8. a rectangular frame; 9. an active carbon filter screen; 10. mounting blocks; 11. mounting grooves; 12. a T-shaped block; 13. a telescopic rod; 14. a clamping block; 15. a first spring; 16. a card slot; 17. a sliding groove; 18. a first sliding rod; 19. a push block; 20. a second spring; 21. a triangular top block; 22. a ventilation fan; 23. a carbon dioxide tank; 24. a PLC controller; 25. a humidity sensor.

Detailed Description

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic side sectional view of a low voltage draw-out type switch cabinet with dehumidification function according to the present invention; FIG. 2 is an enlarged schematic view of portion A of FIG. 1; fig. 3 is a schematic front view of the low-voltage draw-out type switch cabinet with dehumidification function of the present invention. The low-voltage draw-out type switch cabinet with the dehumidification function comprises a workbench 1, wherein a dehumidification mechanism and four clamping mechanisms are arranged on the workbench 1; the dehumidification mechanism comprises a switch cabinet body 2, two partition plates 3, three drawing boxes 4, an isolation support 5, a triangular top cover 6, two rectangular through holes I7, two rectangular frames 8 and two activated carbon filter screens 9, wherein the switch cabinet body 2 is fixedly arranged at the top of a workbench 1, the two partition plates 3 are fixedly arranged in the switch cabinet body 2, the three drawing boxes 4 are arranged in the switch cabinet body 2, one end of each drawing box 4 extends out of the switch cabinet body 2 and is in sliding connection with the switch cabinet body 2, the isolation support 5 is fixedly arranged at the top of the switch cabinet body 2, the triangular top cover 6 is fixedly arranged at the top end of the isolation support 5, the triangular top cover 6 is matched with the isolation support 5, the two rectangular through holes I7 are respectively arranged on the outer walls at two sides of the isolation support 5, the two rectangular frames 8 are respectively arranged in the corresponding rectangular through holes I7, one side of the rectangular frame 8 extends out of the rectangular through opening I7, and the activated carbon filter screens 9 are respectively and fixedly installed in the corresponding rectangular frames 8;

the clamping mechanism comprises an installation block 10, an installation groove 11, a T-shaped block 12 and two fixing mechanisms, wherein the installation block 10 is fixedly installed on a rectangular frame 8, the installation groove 11 is formed in the outer wall of one side of the isolation support 5, the T-shaped block 12 is fixedly installed on the outer wall of one side of the installation block 10, one side of the T-shaped block 12 extends into the installation groove 11, the fixing mechanisms comprise two telescopic rods 13, a clamping block 14, two springs I15, a clamping groove 16, a sliding groove 17, a sliding rod I18, a pushing block 19, a spring II 20 and a triangular top block 21, the two telescopic rods 13 are both fixedly installed on the inner wall of the bottom of the installation groove 11, the clamping block 14 is fixedly installed at the top ends of the two telescopic rods 13, the two springs I15 are respectively sleeved on the corresponding telescopic rods 13 in a sliding mode, and the bottom end of the spring I15 is fixedly connected with the inner wall of the bottom of the installation groove 11, the top of spring 15 and the bottom fixed connection of clamp splice 14, draw-in groove 16 is seted up on one side outer wall of clamp splice 14, sliding tray 17 is seted up on the bottom inner wall of

mounting groove

11, 18 fixed mounting of slide bar is on one side inner wall of sliding tray 17, ejector pad 19 slidable mounting is on slide bar 18, ejector pad 19's top extends outside sliding tray 17, two 20 sliding sleeves of spring are established on slide bar 18, the one end of two 20 springs and one side inner wall fixed connection of sliding tray 17, the other end of two 20 springs and one side outer wall fixed connection of ejector pad 19, triangle kicking block 21 fixed mounting is on one side outer wall of ejector pad 19, triangle kicking block 21 extends to in draw-in groove 16, triangle kicking block 21 and draw-in groove 16 looks adaptation.

As shown in fig. 1, a rectangular through opening two is formed in the top of the switch cabinet body 2, a filter screen I is fixedly installed in the rectangular through opening two, an auxiliary box is fixedly installed on the top of the switch cabinet body 2, two circular through openings are formed in the top of the auxiliary box, a ventilation fan 22 is fixedly installed on the inner wall of the top of the auxiliary box, a storage box is fixedly installed on the top of the switch cabinet body 2, and a drying agent is arranged in the storage box;

through rectangle opening two, filter screen one, supplementary box, ventilation fan 22, storing box and drier mutually support, the formation can be with the air after the drying blow in cubical switchboard body 2 in, avoided the unable circulation of air inside cubical switchboard body 2 to lead to the moisture to be difficult to get rid of.

As shown in fig. 2, rubber blocks are fixedly mounted on the outer walls of the two clamping blocks 14 close to each other, the rubber blocks are in contact with the T-shaped block 12, the inner walls of the two sides of the sliding groove 17 are fixedly mounted with the same limiting rod, and the limiting rod is in sliding connection with the pushing block 19;

through the mutual cooperation of the rubber block and the limiting rod, the rubber block can clamp the T-shaped block 12 to increase the friction force, and the problem that the friction force between the T-shaped block 12 and the clamping block 14 is too small to fix the T-shaped block 12 is avoided.

As shown in fig. 1, a first handle is fixedly mounted on the outer wall of one side of the mounting block 10, a second handle is fixedly mounted on the outer wall of one side of the pulling box 4, two ventilation holes are formed in the partition plate 3, a third rectangular through hole is formed in the inner wall of one side of the switch cabinet body 2, a second filter screen is fixedly mounted in the third rectangular through hole, a roller is fixedly mounted at the bottom of the pulling box 4 and is in contact with the top of the partition plate 3, a baffle is fixedly mounted at the top of the partition plate 3, and the baffle is in contact with the corresponding pulling box 4;

through handle one, handle two, ventilation hole, rectangle opening three, filter screen two, gyro wheel and baffle mutually support, the formation can make the inside air of cubical switchboard body 2 circulate and prevent simultaneously that the dust from getting into, has avoided the unable circulation of air in the cubical switchboard body 2 to reach the effect of taking a breath.

As shown in fig. 1, a carbon dioxide tank 23 is fixedly installed at the top of the workbench 1, an L-shaped connecting pipe is fixedly installed at the top of the carbon dioxide tank 23, one end of the L-shaped connecting pipe extends into the switch cabinet body 2, and an electromagnetic valve is fixedly installed on the L-shaped connecting pipe;

through the mutual cooperation of carbon dioxide jar 23, L shape connecting pipe and solenoid valve, form and can initiatively discharge into carbon dioxide when 2 inside smog appear in the cubical switchboard body, avoided taking place spontaneous combustion in the cubical switchboard body 2 and lead to the instrument to be damaged.

As shown in fig. 1 and 3, a PLC controller 24 is fixedly installed on an outer wall of one side of the switch cabinet body 2, a smoke sensor is fixedly installed on an inner wall of the top of the switch cabinet body 2, and a humidity sensor 25 is fixedly installed on an inner wall of one side of the switch cabinet body 2;

mutually support through PLC controller 24, smoke transducer and humidity transducer 25, form can the inside humidity of real-time detection cubical switchboard body 2 and whether have smog, avoided cubical switchboard body 2 inside humidity too big and produce smog and can't carry out relevant operation.

The utility model provides a low pressure pull-out type cubical switchboard with dehumidification function's theory of operation as follows:

the first step is as follows: when the humidity sensor 25 detects that the air humidity in the switch cabinet body 2 is high and the low-voltage draw-out type switch cabinet needs to be dehumidified, the space formed by the isolation support 5 and the triangular top cover 6 can only exchange air with the outside through the activated carbon filter screen 9, most of acid-base gas in the air can be filtered out through the activated carbon filter screen 9, so that the gas entering the isolation space does not have corrosiveness, meanwhile, the desiccant placed in the storage box dehumidifies and dries the air, then the carbon dioxide tank 23 is opened, the dehumidified gas in the isolation space enters the switch cabinet body 2 through the filter screen one on the rectangular opening two by the carbon dioxide tank 23, then the dehumidified gas is circulated through the vent holes on the partition plate 3, the humid air in the switch cabinet body 2 is discharged out of the switch cabinet body 2 through the rectangular opening three, and the air exchange work is completed, the humidity of the air in the switch cabinet body 2 is within a reasonable range;

the second step is as follows: when the smoke sensor detects smoke, the electromagnetic valve is opened, the carbon dioxide tank 23 discharges carbon dioxide gas inside into the switch cabinet body 2 through the L-shaped connecting pipe, and therefore fire accidents and internal devices are prevented from being damaged;

the third step: when the activated carbon filter screen 9 is saturated after being used for a long time or a drying agent needs to be replaced, only force is needed to pull the first handle, the first handle drives the mounting block 10 to move, the mounting block 10 drives the T-shaped block 12 to move, when the pulling force is larger than the friction force between the T-shaped block 12 and the rubber block, the T-shaped block 12 is pulled out to drive the rectangular frame 8 and the activated carbon filter screen 9 to be pulled out of the rectangular through opening I7, then the drying agent in the storage box is replaced, when the activated carbon filter screen 9 needs to be installed, the rectangular frame 8 is firstly pushed into the rectangular through opening I7, the rectangular frame 8 drives the mounting block 10 to move, the mounting block 10 drives the T-shaped block 12 to move, the T-shaped block 12 extrudes the push block 19, the push block 19 drives the triangular top block 21 to move and simultaneously extrude the second spring 20, the triangular top block 21 enters the clamping groove 16, and the clamping groove 16 gradually approaches with the continuous advance of the triangular top block 21, until the rubber blocks clamp the T-shaped block 12 again, the installation work is completed.

It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the design principle, the settings of the power mechanism, the power supply system, the control system, etc. of the device are not completely described, and on the premise that the skilled person understands the principle of the present invention, the details of the power mechanism, the power supply system, and the control system can be clearly known, the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the skilled person in the art;

the standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, parts and equipment adopt conventional models in the prior art, and the structure and the principle of the parts known by the skilled person can be known by technical manuals or conventional experimental methods.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments, or a direct or indirect use of these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents, which are to be included within the scope of the invention as defined in the claims.

Claims

1. A low-voltage draw-out type switch cabinet with dehumidification function, its characterized in that includes:

the worktable is provided with a dehumidifying mechanism and four clamping mechanisms;

the dehumidification mechanism comprises a switch cabinet body, two partition plates, three drawing boxes, an isolation support, a triangular top cover, a first rectangular through hole, two rectangular frames and two activated carbon filter screens, the switch cabinet body is fixedly arranged at the top of the workbench, the two partition plates are fixedly arranged in the switch cabinet body, the three drawing boxes are arranged in the switch cabinet body, one end of each drawing box extends out of the switch cabinet body and is in sliding connection with the switch cabinet body, the isolation support is fixedly arranged at the top of the switch cabinet body, the triangular top cover is fixedly arranged at the top end of the isolation support, the triangular top cover is matched with the isolation support, the first rectangular through holes are respectively arranged on the outer walls at two sides of the isolation support, the two rectangular frames are respectively arranged in the first corresponding rectangular through holes, and one side of each rectangular frame extends out of the first rectangular through hole, the activated carbon filter screens are respectively and fixedly arranged in the corresponding rectangular frames;

2. The low-voltage draw-out switchgear with dehumidification function according to claim 1, wherein: the improved switch cabinet is characterized in that a second rectangular opening is formed in the top of the switch cabinet body, a first filter screen is fixedly mounted in the second rectangular opening, an auxiliary box is fixedly mounted at the top of the switch cabinet body, two circular openings are formed in the top of the auxiliary box, a ventilation fan is fixedly mounted on the inner wall of the top of the auxiliary box, a storage box is fixedly mounted at the top of the switch cabinet body, and drying agents are arranged in the storage box.

3. The low-voltage draw-out switchgear with dehumidification function according to claim 1, wherein: two equal fixed mounting has the rubber piece on the one side outer wall that the clamp splice is close to each other, the rubber piece contacts with T-shaped piece, fixed mounting has same gag lever post on the both sides inner wall of sliding tray, gag lever post and ejector pad sliding connection.

4. The low-voltage draw-out switchgear with dehumidification function according to claim 1, wherein: fixed mounting has a handle one on one side outer wall of installation piece, one side outer wall fixed mounting of pull box has a handle two, seted up two ventilation holes on the baffle, rectangle opening three has been seted up on one side inner wall of cubical switchboard body, fixed mounting has filter screen two in the rectangle opening three, the bottom fixed mounting of pull box has the gyro wheel, the gyro wheel contacts with the top of baffle, the top fixed mounting of baffle has the baffle, the baffle contacts with the pull box that corresponds.

5. The low-voltage draw-out switchgear with dehumidification function according to claim 1, wherein: the top fixed mounting of workstation has the carbon dioxide jar, the top fixed mounting of carbon dioxide jar has L shape connecting pipe, the one end of L shape connecting pipe extends to this internally of cubical switchboard, fixed mounting has the solenoid valve on the L shape connecting pipe.

6. The low-voltage draw-out switchgear with dehumidification function according to claim 1, wherein: the switch cabinet is characterized in that a PLC (programmable logic controller) is fixedly mounted on the outer wall of one side of the switch cabinet body, a smoke sensor is fixedly mounted on the inner wall of the top of the switch cabinet body, and a humidity sensor is fixedly mounted on the inner wall of one side of the switch cabinet body.