CN220775146U - Low-voltage draw-out type switch cabinet - Google Patents
Low-voltage draw-out type switch cabinet Download PDFInfo
- Publication number
- CN220775146U CN220775146U CN202322323351.3U CN202322323351U CN220775146U CN 220775146 U CN220775146 U CN 220775146U CN 202322323351 U CN202322323351 U CN 202322323351U CN 220775146 U CN220775146 U CN 220775146U
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- drawer
- cabinet body
- connecting rod
- baffle
- plate
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- 238000001816 cooling Methods 0.000 claims abstract description 21
- 238000009423 ventilation Methods 0.000 claims abstract description 20
- 238000013016 damping Methods 0.000 claims abstract description 11
- 238000005192 partition Methods 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model provides a low pressure pull-out type cubical switchboard, which comprises a cabinet body, the drawer of accomodating electronic device is distributed from top to bottom in the front of the cabinet body, be provided with the ventilation window on the lateral wall of the cabinet body, the back of the cabinet body is inlayed and is equipped with negative pressure fan, all be provided with the baffle between the upper and lower adjacent drawer, the curb plate and the bottom plate of drawer are the perforated plate, the downside of baffle is provided with the wind-guiding groove, be provided with the damping slide rail between the upper surface of the bottom plate of drawer and baffle, the drawer is followed damping slide rail pull and is gone into the cubical switchboard, be provided with pull limit structure between the curb plate of drawer and the lateral wall of the cabinet body. The utility model has novel conception, ingenious design, strong temperature control capability, good ventilation and cooling effects, good safety performance and remarkable effect.
Description
Technical Field
The utility model belongs to the field of power distribution equipment, and particularly relates to a low-voltage switch cabinet with a draw-out structure.
Background
The low-voltage switch cabinet is applied to a low-voltage distribution system, is equipment for controlling various power generation, transmission, distribution, electric energy conversion and electric energy consumption equipment by integrating and accommodating a distribution functional unit, is applicable to a system with alternating current of 50Hz and rated working voltage of 660V or below, and is widely applied to low-voltage distribution systems of various industrial and mining enterprises, building hotels, municipal construction and the like. Draw-out low-voltage switchgear cabinets are one of the common types.
Because most of the low-voltage switch cabinets are internally provided with power units in a long-term power-on state, the low-voltage switch cabinets are easy to generate heat and accumulate heat, and electronic equipment can normally operate only in a proper temperature environment, so that it is very important to ensure the temperature environment in the low-voltage switch cabinets and the low-voltage switch cabinets. The cooling measures adopted by the low-voltage switch cabinet applied at present are mostly external air conditioners, the temperature in a dust-free room is controlled to keep the temperature-adaptive environment of the low-voltage switch cabinet, but under the high-strength use of electronic equipment, the high-temperature environment still exists in the low-voltage switch cabinet, and the service life of the electronic equipment is seriously influenced.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides a low-voltage extraction type switch cabinet to ensure a temperature-adaptive environment in the cabinet.
The technical problems to be solved by the utility model are realized by the following technical scheme:
the utility model relates to a low-voltage draw-out type switch cabinet, which comprises a cabinet body, drawers for accommodating electronic devices are distributed up and down on the front surface of the cabinet body, ventilation windows are arranged on the left side wall and the right side wall of the cabinet body, a negative pressure fan is embedded on the back of the cabinet body, partition plates are arranged between the upper drawer and the lower drawer, side plates and bottom plates of the drawers are porous plates, air guide grooves are arranged on the lower side surface of each partition plate, the air guide grooves are uniformly distributed grooves, one end of each air guide groove faces the front ends of the left side wall and the right side wall of the cabinet body, the other end faces the center of the back of the cabinet body, damping sliding rails are arranged between the bottom plate of each drawer and the upper surface of each partition plate, the drawers are pulled out of the switch cabinet along the damping sliding rails, and a pulling limiting structure is arranged between the side plates of each drawer and the side walls of the cabinet body.
In the utility model, the ventilating window comprises a plurality of strip-shaped ventilating openings which are uniformly arranged up and down and distributed in the front middle of the side face of the cabinet body, the upper edge of each ventilating opening is provided with a baffle plate which extends outwards, one side of the baffle plate and the side wall of the cabinet body are of an integral structure, and the other side of the baffle plate is inclined or bent downwards.
In the utility model, the negative pressure fans are in one-to-one correspondence with the drawers, each layer of drawer is provided with an independent cooling unit formed by the upper partition plates and the lower partition plates, a temperature sensor is arranged in the drawer, the negative pressure fans of each cooling unit are independently controlled, the negative pressure fans are connected with the temperature sensor, and the work of the negative pressure fans is started according to the monitored temperature.
The utility model discloses a drawer limiting structure, which comprises a plurality of connecting rods, wherein the connecting rods are connected according to a scissor type structure and comprise a first connecting rod, a second connecting rod and a third connecting rod, the first connecting rods are two, the head ends of the first connecting rods are vertically distributed at the front end of a drawer side plate, the tail ends of the first connecting rods are hinged to the second connecting rods, the second connecting rods are connected end to end and are arranged in a scissor type pair, at least one pair of second connecting rods is arranged, the tail ends of the third connecting rods are hinged to the inner wall of a cabinet body at the rear end of the drawer side plate, and the head ends of the third connecting rods are hinged to the second connecting rods.
Further, the head end of the first connecting rod is expanded to be spherical, a first limiting groove for the head end of the first connecting rod to slide freely up and down is formed in the outer side of the drawer side plate, a compression spring is arranged in the first limiting groove, and two ends of the compression spring are respectively connected with the head ends of the two first connecting rods.
Further, a pin shaft is arranged at the cross connection part of the second connecting rod in a penetrating way, one end, far away from the drawer, of the pin shaft is connected with a limiting ball or a limiting sheet, a transverse second limiting groove is formed in the corresponding position on the inner side of the side wall of the cabinet body, and the limiting ball or the limiting sheet is embedded in the second limiting groove to slide freely and horizontally.
Further, when each cooling unit comprises two or more drawers which are horizontally arranged, a porous plate is arranged between the left drawer and the right drawer, and a second limiting groove and a drawing limiting structure matched with the second limiting groove are also arranged on the porous plate.
Compared with the prior art, the utility model has the following advantages:
through the modes of side air inlet and back air exhaust, the air in the cabinet body flows reasonably, the occurrence of ventilation dead angles is avoided, and the effect of ventilation and cooling is fully realized;
the air guide groove further guides the air in the cabinet body to flow, so that the ventilation and cooling effects in the cabinet body are better;
independent detection and independent control of each drawer layer saves ventilation electricity consumption on one hand and ensures that the temperature of the drawers can be timely reduced when the local temperature rises on the other hand;
the damping slide rail arranged on the bottom plate of the drawer can effectively guide the drawer to be drawn in and out smoothly, and the phenomenon that when the drawer is drawn in and out, an electric device in the drawer is loosened or displaced due to inertia is avoided, so that the device is possibly damaged;
the drawer and electronic devices in the drawer can be protected to the greatest extent by matching the pull limiting structure with the damping sliding rail, and the drawer is prevented from being pulled out of the switch cabinet due to transition, so that the electronic devices are prevented from being damaged.
Therefore, the utility model has novel conception, ingenious design, strong temperature control capability, good ventilation and cooling effects, good safety performance and remarkable effect.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a cooling unit according to the present utility model;
FIG. 3 is a cross-sectional view of a louver according to the present utility model;
fig. 4 is a schematic diagram of an air duct according to the present utility model.
In the figure: the cabinet body 1, the drawer 2, the ventilation window 3, the negative pressure fan 4, the baffle 5, the perforated plate 6, the damping slide rail 7, the first connecting rod 8, the second connecting rod 9, the third connecting rod 10, the first limit groove 11, the compression spring 12, the pin shaft 13, the baffle 14, the ventilation opening 15 and the air guide groove 16.
Detailed Description
The utility model is further described below in connection with the drawings and the specific preferred embodiments, but the scope of protection of the utility model is not limited thereby.
Examples
The utility model provides a low pressure pull-out type cubical switchboard, is shown as fig. 1, including the cabinet body 1, the drawer 2 of accomodating electronic component is distributed from top to bottom in the front of the cabinet body 1, is provided with ventilation window 3 on the lateral wall of the cabinet body 1, and the ventilation window is located the preceding middle part of cabinet body 1 side, and the back of the cabinet body 1 is inlayed and is equipped with negative pressure fan 4.
In fig. 2, a partition board 5 is arranged between the upper and lower adjacent drawers 2, the side boards and the bottom boards of the drawers 2 are porous boards 6, damping slide rails 7 are arranged between the bottom boards of the drawers 2 and the upper surfaces of the partition boards 5, the negative pressure fans 4 are in one-to-one correspondence with the drawers 2, each layer of drawers 2 is formed into an independent cooling unit by the partition boards 5 above and below the drawers 2, a temperature sensor is arranged in each drawer 2, the negative pressure fans 4 of each cooling unit are independently controlled, the negative pressure fans 4 are connected with the temperature sensor, and a drawing limiting structure is arranged between the side boards of the drawers 2 and the side walls of the cabinet body 1.
The drawing limiting structure comprises 8 connecting rods which are arranged in pairs and connected according to a scissor type structure, the drawing limiting structure comprises a first connecting rod 8, a second connecting rod 9 and a third connecting rod 10, wherein the first connecting rod 8 is two, the head ends of the first connecting rod 8 are vertically distributed at the front end of a side plate of the drawer 2, the tail ends of the first connecting rod 8 are hinged to the second connecting rod 9, the second connecting rod 9 is 4 and connected end to end, the first connecting rod 9 is arranged in a scissor type pair, the third connecting rod 10 is two, the tail ends of the third connecting rod 10 are hinged to the inner wall of the cabinet body 1 at the rear end of the side plate of the drawer 2, the head end of the third connecting rod 10 is hinged to the second connecting rod 9, the head end of the first connecting rod 8 is expanded to be spherical, a first limiting groove 11 for the head end of the first connecting rod 8 to vertically freely slide is arranged at the outer side of the side plate of the drawer 2, a compression spring 12 is arranged in the first limiting groove 11, and two ends of the compression spring 12 are respectively connected with the head ends of the two first connecting rods 8; the pin shaft 13 is penetrated at the cross connection part of the second connecting rod 9, one end of the pin shaft 13 far away from the drawer 2 is connected with a limiting ball or a limiting sheet, a transverse second limiting groove is arranged at the corresponding position on the inner side of the side wall of the cabinet body 1, and the limiting ball or the limiting sheet is embedded in the second limiting groove to slide freely and horizontally.
The ventilation window 3 shown in fig. 3 comprises a plurality of strip-shaped ventilation openings 15 which are uniformly arranged up and down, wherein the upper edge of each ventilation opening 15 is provided with a baffle 14 which extends outwards, one side of the baffle 14 and the side wall of the cabinet body 1 are of an integral structure, and the other side of the baffle 14 is bent downwards.
As shown in fig. 4, the partition board 5 is provided with air guide grooves 16 on the lower side of the partition board 5, the air guide grooves 16 are uniformly distributed grooves, one end of each air guide groove 16 faces the front ends of the left and right side walls of the cabinet body 1, and the other end faces the center of the back of the cabinet body 1.
Examples
The low-voltage draw-out type switch cabinet comprises a cabinet body 1, drawers 2 for accommodating electronic devices are distributed up and down on the front surface of the cabinet body 1, ventilation windows 3 are arranged on the left side wall and the right side wall of the cabinet body 1, the ventilation windows are located in the front middle of the side surface of the cabinet body 1, and a negative pressure fan 4 is embedded in the back of the cabinet body 1.
The drawer 2 of every layer comprises independent cooling units by the partition plate 5 on the upper and lower sides of the drawer 2, a temperature sensor is arranged in the drawer 2, the negative pressure fan 4 of each cooling unit is independently controlled, the negative pressure fan 4 is connected with the temperature sensor, and a drawing limiting structure is arranged between the side plate of the drawer 2 and the side wall of the cabinet body 1.
Unlike embodiment 1, each cooling unit comprises two or more drawers 2 horizontally arranged, a porous plate 6 is arranged between the left and right adjacent drawers 2, and a second limit groove and a pull limit structure matched with the second limit groove are also arranged on the porous plate 6.
When the low-voltage draw-out type switch cabinet is applied to power distribution work, taking an example 1 as an example, when a temperature sensor in a drawer 2 recognizes that the temperature of the drawer 2 is higher, under the drive of a negative pressure fan 4, ambient cold air is blown into a cooling unit from a ventilation window 3, passes through a porous plate 6 on the side wall and a bottom plate of the drawer 2, is blown onto an electronic device in the drawer 2 to perform air cooling, and is ventilated to take away the temperature, and is sent out of a cabinet body 1 along an air guide groove 16 by the negative pressure fan 4, so that rapid, accurate and effective cooling is realized; when the drawer 2 is pulled, the drawer 2 is pulled out of the cabinet body 1 under the drive of the damping slide rail 7, meanwhile, the head ends of the two first connecting rods 8 are far away from each other in the first limit groove 11, the compression spring 12 is stretched, the elastic potential energy is stored, the second connecting rods 9 are folded, when the drawer 2 needs to be drawn into the cabinet body 1, the compression spring 12 naturally contracts, the head ends of the two first connecting rods 8 are close to each other, and the second connecting rods 9 stretch, so that the drawer 2 is in a normally closed state.
In conclusion, the low-voltage extraction type switch cabinet disclosed by the utility model is novel in conception, ingenious in design, strong in temperature control capability, good in ventilation and cooling effects, good in safety performance and remarkable in effect, and can be found by combining the structure and the construction process.
Claims (7)
1. The utility model provides a low pressure pull-out type cubical switchboard, includes the cabinet body, and the drawer of accomodating electronic device, its characterized in that are distributed from top to bottom to the front of the cabinet body: be provided with the ventilation window on the lateral wall about the cabinet body, the back of the cabinet body is inlayed and is equipped with negative pressure fan, all be provided with the baffle between the upper and lower adjacent drawer, the curb plate and the bottom plate of drawer are the perforated plate, the downside of baffle is provided with the wind-guiding groove, the wind-guiding groove is evenly distributed's recess, the front end of lateral wall about the cabinet body is faced to the one end of wind-guiding groove, the center at cabinet body back is faced to the other end, be provided with the damping slide rail between the upper surface of the bottom plate of drawer and baffle, the drawer is followed damping slide rail pull and is gone into the cubical switchboard, be provided with pull limit structure between the curb plate of drawer and the lateral wall of the cabinet body.
2. The low voltage draw out switchgear as claimed in claim 1, wherein: the ventilating window comprises a plurality of strip-shaped ventilating openings which are uniformly arranged up and down and distributed in the front middle of the side face of the cabinet body, the upper edge of each ventilating opening is provided with a baffle which extends outwards, one side of the baffle and the side wall of the cabinet body are of an integrated structure, and the other side of the baffle is inclined downwards or bent.
3. The low voltage draw out switchgear as claimed in claim 1, wherein: the negative pressure fans are in one-to-one correspondence with the drawers, the drawers of each layer form an independent cooling unit by the partition boards at the upper part and the lower part of the drawers, a temperature sensor is arranged in each drawer, the negative pressure fans of each cooling unit are independently controlled, and the negative pressure fans are connected with the temperature sensor.
4. A low voltage draw out switchgear as claimed in claim 3, wherein: the drawing limit structure comprises a plurality of connecting rods, and is connected according to a scissor type structure, and comprises a first connecting rod, a second connecting rod and a third connecting rod, wherein the first connecting rod is two, the head ends of the first connecting rod are distributed at the front end of the drawer side plate up and down, the tail ends of the first connecting rod are hinged to the second connecting rod, the second connecting rods are connected end to end and are arranged in a scissor type pair, the second connecting rod is provided with at least one pair, the third connecting rod is two, the tail ends of the third connecting rod are hinged to the inner wall of the cabinet body at the rear end of the drawer side plate, and the head ends of the third connecting rod are hinged to the second connecting rod.
5. The low voltage draw out switchgear as claimed in claim 4, wherein: the end part of the head end of the first connecting rod is expanded to be spherical, a first limiting groove for the head end of the first connecting rod to slide freely up and down is arranged on the outer side of the drawer side plate, a compression spring is arranged in the first limiting groove, and two ends of the compression spring are respectively connected with the head ends of the two first connecting rods.
6. The low voltage draw out switchgear as claimed in claim 4, wherein: the second connecting rod cross connection department wears to be equipped with the round pin axle, and the one end that the round pin axle was kept away from the drawer is connected with spacing ball or spacing piece, and the corresponding position of cabinet body lateral wall inboard is provided with horizontal second spacing groove, and spacing ball or spacing piece inlay and establish the free horizontal slip in the second spacing groove.
7. The low voltage draw out switchgear as claimed in claim 6, wherein: when each cooling unit comprises two or more drawers which are horizontally arranged, a porous plate is arranged between the left drawer and the right drawer, and a second limiting groove and a drawing limiting structure matched with the second limiting groove are also arranged on the porous plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322323351.3U CN220775146U (en) | 2023-08-29 | 2023-08-29 | Low-voltage draw-out type switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322323351.3U CN220775146U (en) | 2023-08-29 | 2023-08-29 | Low-voltage draw-out type switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220775146U true CN220775146U (en) | 2024-04-12 |
Family
ID=90605252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322323351.3U Active CN220775146U (en) | 2023-08-29 | 2023-08-29 | Low-voltage draw-out type switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220775146U (en) |
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2023
- 2023-08-29 CN CN202322323351.3U patent/CN220775146U/en active Active
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