CN114050480A

CN114050480A - Low-voltage switch cabinet with real-time temperature monitoring assembly

Info

Publication number: CN114050480A
Application number: CN202111345772.5A
Authority: CN
Inventors: 谢利标; 胡启; 涂宜昌
Original assignee: Nanjing Switchgear Factory Co ltd
Current assignee: Nanjing Switchgear Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-02-15
Anticipated expiration: 2041-11-15
Also published as: CN114050480B

Abstract

The invention relates to the field of switch cabinets, and particularly discloses a low-voltage switch cabinet with a real-time temperature monitoring assembly. Through set up temperature sensor on the cabinet body for a plurality of temperature sensor can be real-timely detect the temperature in using in whole cubical switchboard use, and then make and ensure that the in-service temperature can be in the within range of predetermineeing in case take place unusual discovery that can be timely, reduce the incidence of accident.

Description

Low-voltage switch cabinet with real-time temperature monitoring assembly

Technical Field

The invention relates to a low-voltage switch cabinet, in particular to a low-voltage switch cabinet with a real-time temperature monitoring assembly, and belongs to the field of switch cabinets.

Background

The low-voltage switch cabinet is suitable for industries such as power plants, petroleum, chemical industry, metallurgy, textile, high-rise buildings and the like, and is used for power transmission, power distribution and electric energy conversion. The low-voltage switch cabinet belongs to a product listed in a 3C certification mandatory certification product catalog, and is one of the types of common switch cabinets.

Because the switch cabinet is used for power transmission, power distribution and electric energy conversion, various fire accidents are easy to happen due to numerous internal circuits. The change of internal temperature is one of the methods of reflecting the fire precursor, because the environment of current cubical switchboard installation is comparatively safe, often does not carry out the monitoring constantly to the temperature of using, and the attention degree is not enough to the influence of temperature change to the cubical switchboard, has the possibility of meeting accident, and after the unexpected condition takes place, causes great loss after the discovery that can not be timely easily, does not have the ability of autonomic protection.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a low-voltage switch cabinet with a real-time temperature monitoring assembly.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a low-voltage switchgear with real-time temperature monitoring subassembly, includes the plurality of cabinets of the frame and its internally mounted, a plurality of temperature sensor are all installed to the inner wall and the outer wall of the cabinet body, and the detachable roof is installed at the top of frame, all installs around the bottom of roof and cuts off the mechanism, and installs the cutting mechanism that is used for the circuit to cut off in one side below of frame.

The partition mechanism comprises winding shafts and shielding curtains for fire prevention, the shielding curtains are wound on each winding shaft, and the surrounding shielding curtains can cover the periphery of the outside of the frame after being unfolded.

Optionally, the bottom of roof all is provided with the mounting groove that is used for placing the winding axle all around, and driving motor is installed to the inside one end of mounting groove, and driving motor's output is connected with the one end of winding axle.

Optionally, the bottom both ends of roof all are connected with two inserted bars, and the top both ends of frame all are provided with two jacks that are used for the inserted bar to peg graft, and the top middle-end of frame still is connected with the diaphragm, and the top both ends of diaphragm also all are provided with the jack, and the shielding plate is still installed at the top of frame in the below of roof, and the bottom middle-end both sides of shielding plate also all are connected with the inserted bar, and the inserted bar is pegged graft with the jack on the diaphragm and is installed.

Optionally, a fire extinguisher is further installed on the transverse plate, and the discharge end of the fire extinguisher penetrates through the cabinet body with the shielding plate facing downwards.

Optionally, the roof both ends all begin to have the fixed orifices all around, and all seted up around the middle part and accomodate the hole, accomodate the inside in hole and pegged graft and placed the bracing piece, the bottom outside both ends of shielding curtain all are connected with the balancing weight, are in under corresponding the fixed orifices with the balancing weight of one side, and also are provided with the shrinkage pool that is used for bracing piece one end to peg graft on the balancing weight.

Optionally, cutting mechanism includes the cutting knife, and the through-hole that is used for the circuit installation is seted up to one side below of frame, and the side board is installed to the frame lateral wall in the top of through-hole, and the cutting knife that can reciprocate is installed along length direction in the bottom of side board, and the equal vertical first hydraulic pressure post of installing in the top both ends of side board, the flexible end of first hydraulic pressure post below is connected with the top of cutting knife.

Optionally, both ends of the bottom of the frame are vertically provided with a second hydraulic column, the bottom of the second hydraulic column is connected with a base plate, and the bottom of the base plate is provided with a roller.

Optionally, adjusting bolt is still installed at that lateral wall of cutting knife at the frame at the screw thread, and adjusting bolt's one end runs through the lateral wall of frame and extends to the tip of cutting knife, and adjusting bolt opens the start-stop switch that is used for controlling the operation of second hydraulic column towards the one end of cutting knife is installed, and the cutting knife orientation is opened the one end of opening the start-stop switch and is connected with the push rod, the tip of push rod can with open the start-stop switch butt.

Optionally, the end of the push rod facing the start-stop switch is arc-shaped.

Optionally, both ends of the lower portion of the frame are further connected with pull plates, one ends of the pull plates are rotatably provided with mounting brackets through pin shafts, and one ends of the mounting brackets are fixedly connected with the frame.

The invention has the beneficial effects that:

1. through set up temperature sensor on the cabinet body for a plurality of temperature sensor can be real-timely detect the temperature in using in whole cubical switchboard use, and then make and ensure that the in-service temperature can be in the within range of predetermineeing in case take place unusual discovery that can be timely, reduce the incidence of accident.

2. Through setting up the mechanism that shelters from for shielding curtain all around expands in the outside of frame and cuts off the inside and the outside of frame, and then outside environment and internal environment mutual independence. After the fire disaster happens inside the frame, the influence on the external environment is reduced, the fire is not easy to spread, and the safety of objects around the switch cabinet can be effectively protected. When the outside conflagration breaks out, the shielding curtain can protect cubical switchboard itself, avoids outside flame to stretch to the inside of cubical switchboard, has guaranteed the security of cubical switchboard. The shielding curtain can reduce the speed of fire spread, and for the elimination of follow-up fire, the shielding curtain can fall automatically, so that the fire spread caused by untimely fire fighting of workers is avoided. Simultaneously in the cubical switchboard transportation, also can place the expansion with the shielding curtain, externally protect the cubical switchboard, make it be difficult for being collided with by external object and damage in the transportation. The environment that uses at the cubical switchboard is more mixed and disorderly, and the dust impurity of top is more or have the hourglass phenomenon and the top needs when protecting temporarily, and the safety that can fully protect the cubical switchboard to use is expanded at the top to the shielding curtain, makes it can adapt to different environment, and the scope of use is more extensive.

3. Through setting up cutting mechanism for quick dismantle the cubical switchboard and remove under the crisis condition, the cutting knife lapse cuts off the below cabinet body and the circuit of outside being connected, makes the removal that the cubical switchboard can be free. The cutting knife moves the in-process downwards, can drive second hydraulic column operation work, supports the cubical switchboard, and the gyro wheel of below makes things convenient for the removal of whole cubical switchboard for it is more stable when cubical switchboard removes, and frictional force is littleer. The pull plate is rotated, and one end of the pull plate is held to drag the switch cabinet body to move, so that the use of large machinery is omitted, the working efficiency is improved, the problem can be rapidly solved under emergency, and the loss is prevented from being enlarged.

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 view of the overall structure of the present invention.

FIG. 2 is a schematic diagram of the framework structure of the present invention.

Fig. 3 is a schematic view of the top structure of the frame of the present invention.

Fig. 4 is a schematic view of the top plate structure of the present invention.

FIG. 5 is a schematic view of the bottom structure of the top plate of the present invention.

FIG. 6 is an enlarged view of detail A in FIG. 3 according to the present invention.

FIG. 7 is a schematic view of an installation structure of the start-stop switch and the adjusting bolt of the present invention.

Fig. 8 is a schematic view of the structure of the pulling plate of the present invention.

In the figure: 1. a frame; 2. a top plate; 3. a temperature sensor; 4. a first hydraulic column; 5. a cutting knife; 6. adjusting the bolt; 7. a base plate; 8. pulling a plate; 9. a second hydraulic column; 10. a shielding plate; 11. a jack; 12. a fire extinguisher; 13. a transverse plate; 14. a support bar; 15. a fixing hole; 16. a receiving hole; 17. a curtain; 18. a balancing weight; 19. inserting a rod; 20. mounting grooves; 21. a winding shaft; 22. a push rod; 23. a side plate; 24. a start-stop switch; 25. and (7) mounting a bracket.

Detailed Description

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

Referring to fig. 1-8, a low-voltage switch cabinet with a real-time temperature monitoring assembly comprises a frame 1 and a plurality of cabinet bodies installed inside the frame 1, wherein a plurality of temperature sensors 3 are installed on the inner wall and the outer wall of each cabinet body, a detachable top plate 2 is installed at the top of the frame 1, partition mechanisms are installed around the bottom of the top plate 2, and a cutting mechanism for cutting off a circuit is installed below one side of the frame 1.

The partition mechanism comprises winding shafts 21 and shielding curtains 17 for fire prevention, the shielding curtains 17 are wound on each winding shaft 21, and the surrounding shielding curtains 17 can be covered on the periphery of the outside of the frame 1 after being unfolded.

As a technical optimization scheme of the invention, the periphery of the bottom of the top plate 2 is provided with a mounting groove 20 for placing a winding shaft 21, one end inside the mounting groove 20 is provided with a driving motor, the output end of the driving motor is connected with one end of the winding shaft 21, and the driving motor can drive the winding shaft 21 to rotate, so that the unfolding and the storage of the shielding curtain 17 are controlled.

As a technical optimization scheme of the invention, two insertion rods 19 are connected to two ends of the bottom of the top plate 2, two insertion holes 11 for inserting the insertion rods 19 are arranged at two ends of the top of the frame 1, a transverse plate 13 is connected to the middle end of the top of the frame 1, two insertion holes 11 are arranged at two ends of the top of the transverse plate 13, a shielding plate 10 is further arranged below the top plate 2 at the top of the frame 1, two insertion rods 19 are connected to two sides of the middle end of the bottom of the shielding plate 10, and the insertion rods 19 are inserted into the insertion holes 11 in the transverse plate 13. The insertion holes 11 and the insertion rods 19 facilitate the mounting and dismounting of the top plate 2 and the shielding plate 10 with the frame 1 and the transverse plate 13. The shielding plate 10 can play a role in shielding, and if the inside of the switch cabinet needs maintenance, the top plate 2 and the shielding plate 10 can be rapidly detached.

As a technical optimization scheme of the invention, the transverse plate 13 is also provided with a fire extinguisher 12, and the discharge end of the fire extinguisher 12 penetrates through the cabinet body of the baffle plate 10 facing downwards. When a fire breaks out, the fire extinguisher 12 sprays the fire extinguishing material above and below, and the fire extinguishing efficiency is improved. Fire extinguisher 12 is a conventional suspension type heptafluoropropane fire extinguishing device on the market.

As a technical optimization scheme of the invention, fixing holes 15 are formed at two ends of the periphery of a top plate 2, a containing hole 16 is formed in the middle of the periphery, a supporting rod 14 is inserted in the containing hole 16, two ends of the outer side of the bottom of a shielding curtain 17 are connected with balancing weights 18, the balancing weights 18 on the same side are located right below the corresponding fixing holes 15, a concave hole for inserting one end of the supporting rod 14 is also formed in the balancing weights 18, the supporting rod 14 is pulled out of the containing hole 16 during use, one end of the supporting rod 14 is inserted in the fixing hole 15, the other end of the supporting rod 14 is inserted in the concave hole in the end part of the balancing weight 18, the supporting rod 14 can enable the shielding curtain 17 to be unfolded in the horizontal direction above a frame 1, and the shielding curtains 17 on the periphery can shield dust and impurities for a switch cabinet and avoid the influence of water leakage above the switch cabinet.

As a technical optimization scheme of the invention, the cutting mechanism comprises a cutting knife 5, a through hole for installing a circuit is formed below one side of the frame 1, a side plate 23 is arranged on the side wall of the frame 1 above the through hole, the cutting knife 5 capable of moving up and down is arranged at the bottom of the side plate 23 along the length direction, first hydraulic columns 4 are vertically arranged at two ends of the top of the side plate 23, and telescopic ends below the first hydraulic columns 4 are connected with the top of the cutting knife 5. First hydraulic column 4 can drive cutting knife 5 and reciprocate, cuts the circuit of below, makes things convenient for the cubical switchboard to outwards remove at the fastest time.

As a technical optimization scheme of the invention, both ends of the bottom of the frame 1 are vertically provided with second hydraulic columns 9, the bottom of each second hydraulic column 9 is connected with a backing plate 7, and the bottom of each backing plate 7 is provided with a roller. After the second hydraulic column 9 is extended, the backing plate 7 is contacted with the ground, and the roller can roll on the ground to facilitate the movement of the whole switch cabinet.

As a technical optimization scheme of the invention, the frame 1 is further provided with an adjusting bolt 6 in a threaded manner on the side wall of the cutting knife 5, one end of the adjusting bolt 6 penetrates through the side wall of the frame 1 and extends to the end part of the cutting knife 5, one end, facing the cutting knife 5, of the adjusting bolt 6 is provided with a start-stop switch 24 for controlling the operation of the second hydraulic column 9, one end, facing the start-stop switch 24, of the cutting knife 5 is connected with a push rod 22, and the end part of the push rod 22 can be abutted to the start-stop switch 24. When the cutting knife 5 moves downwards, the push rod 22 can press the start-stop switch 24 to abut against the start-stop switch, and then the second hydraulic column 9 is driven to work.

As a technical optimization scheme of the invention, the end part of the push rod 22 facing the start-stop switch 24 is in an arc shape, and the arc shape is convenient for pressing and butting without being blocked by the start-stop switch 24, so that the blocking force is reduced.

As a technical optimization scheme of the invention, two ends below the frame 1 are also connected with pull plates 8, one end of each pull plate 8 is rotatably provided with a mounting bracket 25 through a pin shaft, and one end of each mounting bracket 25 is fixedly connected with the frame 1. The whole switch cabinet is conveniently pulled through the pull plate 8, so that a worker can keep a certain distance from the switch cabinet under a dangerous condition to ensure personal safety.

When the temperature sensor is used, the temperature sensor 3 is electrically connected with a preset control system when the frame 1 is used, the preset control system is the utilization of the existing control system and is used for collecting the temperature value detected by the temperature sensor 3 and comparing the detected greenhouse value with the preset temperature value, and when the detected temperature value is larger than the preset temperature value, the situation that the working temperature of the switch cabinet is too high and the fire hazard occurs is laterally indicated. At this moment, the control system controls the driving motor at the end part of the winding shaft 21 to operate through a preset plc controller, after the winding shaft 21 rotates, the shielding curtain 17 is pulled downwards to be unfolded under the action of the balancing weight 18, the surrounding shielding curtain 17 can be fully unfolded and covered outside the frame 1, the inside and the outside of the frame 1 are separated, and then the outside environment and the inside environment are mutually independent. After a fire disaster occurs in the frame 1, the influence on the external environment is reduced, the fire is not easy to spread, and the safety of objects around the switch cabinet can be effectively protected. When the outside conflagration breaks out, shielding curtain 17 can protect cubical switchboard itself, avoids outside flame to stretch to the inside of cubical switchboard, has guaranteed the security of cubical switchboard. The shielding curtain 17 can reduce the speed of fire spread, and in order to facilitate the elimination of subsequent fire, the shielding curtain 17 can automatically fall down, thereby avoiding the fire spread caused by untimely fire fighting of workers. Meanwhile, in the transportation process of the switch cabinet, the shielding curtain 17 can be placed and unfolded to protect the switch cabinet externally, so that the switch cabinet is not easy to be damaged by collision of external objects in transportation.

The environment that uses at the cubical switchboard is more mixed and disorderly, the dust impurity of top is more or when having hourglass water phenomenon and top needs interim protection, can expand shielding curtain 17, bracing piece 14 is extracted from accomodating hole 16, the one end of bracing piece 14 is pegged graft in fixed orifices 15, the other end is pegged graft in the shrinkage pool of balancing weight 18 tip, bracing piece 14 can expand shielding curtain 17 in the top of frame 1 on the horizontal direction, and then shielding curtain 17 all around can shelter from dust impurity for the cubical switchboard, avoid the top to leak the influence of water to the cubical switchboard, can shelter from around the cubical switchboard simultaneously, avoid the cubical switchboard to receive the influence of top environment, the security of fully protecting the cubical switchboard use, make it can adapt to different environment, the scope of use is more extensive.

When a fire disaster happens in the using process, the shielding curtain 17 is started to protect, and meanwhile, the fire extinguisher 12 above is opened to put out a fire to the cabinet body below according to actual requirements, so that the spread of the fire disaster is reduced, and the loss is reduced as much as possible. If the inside is on fire or the external environment has caused the influence to whole cubical switchboard, in order to deal with the problem as early as possible, avoid the expansion of harm, can shift the cubical switchboard to other spacious positions and handle. In order to dismantle the cubical switchboard fast and remove under the crisis condition, utilize first hydraulic pressure post 4 to drive cutting knife 5 and remove downwards, cutting knife 5 cuts off below the cabinet body and the circuit of outside being connected is whole for the removal that the cubical switchboard can be free. When the switch cabinet is installed, all the connecting wires with the outside penetrate through the through holes below the cutting knives 5, so that the neatness and the attractiveness of the circuit can be guaranteed, and the subsequent uniform treatment of the cutting knives 5 can be facilitated.

The cutting knife 5 moves the in-process downwards, the push rod 22 of its tip stops switch 24 to opening of 6 tip of adjusting bolt and presses, and then makes the operation of second hydraulic column 9, and the flexible end of second hydraulic column 9 extends downwards, supports whole cubical switchboard, and the bottom and the ground of cubical switchboard break away from, and backing plate 7 supports in the below, and the gyro wheel of below makes things convenient for the removal of whole cubical switchboard for more stable when the cubical switchboard removes, and frictional force is littleer. The pull plate 8 is rotated, and one end of the pull plate 8 is held to drag the switch cabinet body to move, so that the use of large machinery is omitted, the working efficiency is improved, the problem can be rapidly solved under emergency, and the loss is prevented from being enlarged.

When the switch cabinet body is required to be moved normally, the second hydraulic column 9 can be moved independently to work. If the exclusive use cutting knife 5 carries out article cutting, can twist adjusting bolt 6 for open the distance increase that stops between switch 24 and the push rod 22, push rod 22 can not with stop switch 24 contact, make cutting knife 5 exclusive use, increased the variety of using.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A low-voltage switch cabinet with a real-time temperature monitoring assembly comprises a frame (1) and a plurality of cabinet bodies arranged in the frame, and is characterized in that a plurality of temperature sensors (3) are arranged on the inner wall and the outer wall of each cabinet body, a detachable top plate (2) is arranged at the top of the frame (1), partition mechanisms are arranged on the periphery of the bottom of the top plate (2), and a cutting mechanism for cutting off a circuit is arranged below one side of the frame (1);

the partition mechanism comprises winding shafts (21) and fireproof shielding curtains (17), each winding shaft (21) is wound with the shielding curtain (17), and the surrounding shielding curtains (17) can be covered around the outside of the frame (1) after being unfolded.

2. The low-voltage switch cabinet with the real-time temperature monitoring assembly according to claim 1, wherein a mounting groove (20) for placing a winding shaft (21) is formed in the periphery of the bottom of the top plate (2), a driving motor is mounted at one end inside the mounting groove (20), and the output end of the driving motor is connected with one end of the winding shaft (21).

3. The low-voltage switch cabinet with the real-time temperature monitoring assembly according to claim 2, wherein two insertion rods (19) are connected to two ends of the bottom of the top plate (2), two insertion holes (11) for the insertion rods (19) to be inserted are formed in two ends of the top of the frame (1), a transverse plate (13) is further connected to the middle end of the top of the frame (1), the insertion holes (11) are formed in two ends of the top of the transverse plate (13), a shielding plate (10) is further installed below the top plate (2) at the top of the frame (1), the insertion rods (19) are further connected to two sides of the middle end of the bottom of the shielding plate (10), and the insertion rods (19) are inserted into the insertion holes (11) in the transverse plate (13).

4. The low-voltage switch cabinet with the real-time temperature monitoring assembly according to claim 3, wherein a fire extinguisher (12) is further installed on the transverse plate (13), and a discharge end of the fire extinguisher (12) penetrates through the cabinet body of the shielding plate (10) and faces downwards.

5. The low-voltage switch cabinet with the real-time temperature monitoring assembly according to claim 2, wherein fixing holes (15) are formed in two ends of the periphery of the top plate (2), accommodating holes (16) are formed in the middle of the periphery of the top plate, the supporting rod (14) is placed in the accommodating holes (16) in an inserted mode, balancing weights (18) are connected to two ends of the outer side of the bottom of the shielding curtain (17), the balancing weights (18) on the same side are located under the corresponding fixing holes (15), and concave holes for inserting one ends of the supporting rods (14) are formed in the balancing weights (18).

6. The low-voltage switch cabinet with the real-time temperature monitoring assembly according to claim 1, wherein the cutting mechanism comprises a cutting knife (5), a through hole for installing a circuit is formed in the lower portion of one side of the frame (1), a side plate (23) is installed on the side wall of the frame (1) above the through hole, the cutting knife (5) capable of moving up and down is installed on the bottom of the side plate (23) along the length direction, first hydraulic columns (4) are vertically installed at two ends of the top of the side plate (23), and telescopic ends below the first hydraulic columns (4) are connected with the top of the cutting knife (5).

7. The low-voltage switch cabinet with the real-time temperature monitoring assembly according to claim 6, wherein a second hydraulic column (9) is vertically installed at each of two ends of the bottom of the frame (1), a backing plate (7) is connected to the bottom of the second hydraulic column (9), and rollers are installed at the bottom of the backing plate (7).

8. The low-voltage switch cabinet with the real-time temperature monitoring assembly according to claim 7, wherein the frame (1) is further provided with an adjusting bolt (6) in a threaded manner on the side wall of the cutting knife (5), one end of the adjusting bolt (6) penetrates through the side wall of the frame (1) and extends to the end of the cutting knife (5), the adjusting bolt (6) is provided with a start-stop switch (24) for controlling the second hydraulic column (9) to operate towards one end of the cutting knife (5), the cutting knife (5) is connected with a push rod (22) towards one end of the start-stop switch (24), and the end of the push rod (22) can be abutted against the start-stop switch (24).

9. The low-voltage switchgear with real-time temperature monitoring assembly according to claim 8, wherein the end of the push rod (22) facing the start-stop switch (24) is arc-shaped.

10. The low-voltage switch cabinet with the real-time temperature monitoring assembly according to claim 1, wherein pull plates (8) are further connected to two ends of the lower portion of the frame (1), a mounting bracket (25) is rotatably mounted at one end of each pull plate (8) through a pin shaft, and one end of each mounting bracket (25) is fixedly connected with the frame (1).