CN219286942U

CN219286942U - Electric control cabinet with safety protection

Info

Publication number: CN219286942U
Application number: CN202320796445.XU
Authority: CN
Inventors: 黄阿宝; 连绍清; 徐聪; 陈火炎
Original assignee: Dingdian Energy Group Co ltd
Current assignee: Dingdian Energy Group Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-06-30
Anticipated expiration: 2033-04-12

Abstract

The utility model discloses an electric control cabinet with safety protection, which comprises a cabinet body, wherein one side of the cabinet body is of an open design, one side of the open side of the cabinet body is rotatably connected with a cabinet door through a hinge, an installation structure for installing a control element is arranged in the cabinet body, a heat dissipation structure is fixed at the bottom end of the side wall of the cabinet body and at one side far away from the cabinet door, a pressure tank for storing liquid carbon dioxide is fixed at the upper surface of the cabinet body, a cross rod is fixed at the top end of the interior of the cabinet body, and a fire extinguishing structure is connected to the surface of the cross rod in a sliding manner. According to the utility model, a fire extinguishing structure, a pressure tank, a motor, a PLC (programmable logic controller), an audible and visual alarm and a smoke sensor are arranged, whether short-circuit fire occurs in the cabinet body or not can be monitored through the smoke sensor, and if the fire smoke occurs, the PLC can control the electromagnetic valve to be opened, so that liquid carbon dioxide in the pressure tank is sprayed out from the spray head, and therefore, fire extinguishing is realized, and the safety protection function is realized.

Description

Electric control cabinet with safety protection

Technical Field

The utility model relates to the technical field of power control cabinets, in particular to a power control cabinet with safety protection.

Background

The electric control cabinet is a control cabinet which is used for assembling the switch equipment, the measuring instrument, the protection electrical appliance and the auxiliary equipment in or on the closed or semi-closed metal cabinet according to the electric wiring requirement, and the arrangement of the electric control cabinet meets the requirement of normal operation of an electric power system, is convenient to overhaul and does not endanger the safety of personnel and surrounding equipment.

At present, in order to ensure good heat dissipation, the side wall of the cabinet body is generally provided with a heat dissipation opening, so that good heat dissipation of components in the cabinet body is ensured, and the cabinet body is not waterproof and dustproof. Secondly, when components and parts in the cabinet body catch fire because of the short circuit, the cabinet body can't realize the fire extinguishing by itself, and the safety protection level is not high. In addition, after the existing power cabinet leaves the factory, the mounting frame for mounting the control element is fixed, so that the internal space of the control cabinet cannot be reasonably distributed according to the actual mounting requirement, and certain limitation exists.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a power control cabinet with safety protection.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an electric control cabinet with safety protection, includes the cabinet body, cabinet body one side is uncovered design, and the uncovered one side of cabinet body is connected with the cabinet door through the hinge rotation, the internal portion of cabinet is equipped with the mounting structure that is used for installing control element, cabinet body lateral wall bottom and keep away from cabinet door one side and be fixed with heat radiation structure, cabinet body upper surface fixation has the overhead tank that is used for storing liquid carbon dioxide, cabinet internal portion top is fixed with the horizontal pole, horizontal pole surface sliding connection has the structure of putting out a fire, overhead tank one side fixedly connected with and the return bend of putting out a fire structural connection, the internal roof of cabinet is fixed with PLC controller and smoke transducer, cabinet body upper surface fixation has audible-visual annunciator.

Further, the mounting structure comprises a plurality of mounting plates and two guide rails fixed on two sides of the inner portion of the cabinet body, a plurality of hole grooves are formed in the middle of each mounting plate, two sliding seats are fixed at two ends of each mounting plate, and the two sliding seats are respectively connected with the two guide rails in a sliding mode. The position of the mounting plate can be changed by moving the slide, so that the pattern of the inner part of the cabinet body can be changed.

Further, the side wall of the sliding seat penetrates through the side wall of the sliding seat and is connected with a locking bolt in a threaded rotation mode, and one end of the locking bolt located in the sliding seat is attached to the surface of the guide rail. After the sliding seat is moved, the sliding seat can be fixed by screwing the locking bolt.

Further, the heat dissipation structure comprises a plurality of heat conduction plates penetrating through and fixed at the bottom of the cabinet body, and a heat dissipation fan is fixed at the top of one side of the heat conduction plates outside the cabinet body. The heat in the cabinet body can be led out of the cabinet body through the heat conducting plate, and the heat radiating fan can radiate the heat conducting plate, so that the heat in the cabinet body can be radiated indirectly.

Further, the fire extinguishing structure comprises a movable seat which is sleeved on the surface of the cross rod in a sliding manner, a spray head is fixed on the outer side wall of the movable seat, a hose is fixed on the top end of the spray head, the other end of the hose is connected with a bent pipe, an electromagnetic valve is fixed in the middle of the bent pipe, and the electromagnetic valve is electrically connected with a PLC controller. The electromagnetic valve is opened through the PLC controller, so that carbon dioxide in the pressure tank can be sprayed out from the spray head, and fire extinguishment is realized.

Further, a motor is fixed at the top end inside the cabinet body, a screw rod is fixed at the driving end of the motor, and the screw rod penetrates through the movable seat and is in threaded rotary connection with the movable seat. The motor drives the screw rod to rotate, and the screw rod can drive the movable seat to move back and forth, so that the spray head is driven to move back and forth, and carbon dioxide is conveniently and uniformly sprayed.

Further, a sealing strip is fixed on the side edge of the cabinet door. The sealing strip can seal between cabinet door and the cabinet body.

The utility model has the beneficial effects that:

1. when the electric cabinet is used, the cabinet body and the mounting structure are arranged, and the mounting structure comprises the guide rail, the sliding seat, the mounting plate, the hole groove and the locking bolt, so that when the control component is mounted in the cabinet body, the position of the mounting plate can be changed according to the size of the mounting component, and the space in the electric cabinet can be reasonably distributed.

2. When the fire extinguishing device is used, by arranging the fire extinguishing structure, the pressure tank, the motor, the PLC, the audible and visual alarm and the smoke sensor, whether short-circuit fire occurs in the cabinet body or not can be monitored through the smoke sensor, and if the fire smoke occurs, the PLC can control the electromagnetic valve to be opened, so that liquid carbon dioxide in the pressure tank is sprayed out from the spray head, thereby realizing fire extinguishing, and playing a role in safety protection.

3. When the control cabinet is used, the heat radiation structure is arranged, and the sealing strip is arranged between the cabinet body and the cabinet door, so that the interior of the cabinet body is completely sealed, the dustproof and waterproof effects can be achieved, and the control cabinet can be dustproof and waterproof by matching with the heat radiation structure, and heat radiation is not affected.

Drawings

FIG. 1 is an overall perspective view of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a perspective view of the mounting structure of the present utility model;

fig. 4 is a perspective view of the fire extinguishing structure of the present utility model.

Legend description:

1. a cabinet body; 2. a cabinet door; 3. a mounting structure; 31. a guide rail; 32. a slide; 33. a mounting plate; 34. a hole groove; 35. a locking bolt; 4. a heat dissipation structure; 41. a heat conductive plate; 42. a heat radiation fan; 5. a pressure tank; 6. a cross bar; 7. a fire extinguishing structure; 71. a movable seat; 72. a spray head; 73. a hose; 8. bending the pipe; 9. an electromagnetic valve; 10. a motor; 11. a screw rod; 12. a PLC controller; 13. an audible and visual alarm; 14. a smoke sensor; 15. and (5) a sealing strip.

Detailed Description

The utility model is described in detail below with reference to the drawings and the specific embodiments.

As shown in fig. 1-4, the electric control cabinet with safety protection comprises a cabinet body 1, wherein one side of the cabinet body 1 is of an open design, and the open side of the cabinet body 1 is rotatably connected with a cabinet door 2 through a hinge. A door lock is commonly arranged between one side, far away from the hinge, of the cabinet door 2 and the cabinet body 1, and can lock the cabinet door 2.

The cabinet 1 is internally provided with a mounting structure 3 for mounting the control element. The bottom end of the side wall of the cabinet body 1 and one side far away from the cabinet door 2 are fixed with a heat radiation structure 4. The heat radiation structure 4 can ensure the internal sealing of the cabinet body 1 and play a role in heat radiation.

The upper surface of the cabinet body 1 is fixed with a pressure tank 5 for storing liquid carbon dioxide. The top inside the cabinet body 1 is fixed with a cross rod 6, and the surface sliding connection of the cross rod 6 has a fire extinguishing structure 7. The bent pipe 8 connected with the fire extinguishing structure 7 is fixedly connected to one side of the pressure tank 5, and the PLC 12 and the smoke sensor 14 are fixed on the inner top wall of the cabinet body 1.

An audible and visual alarm 13 is fixed on the upper surface of the cabinet body 1. The audible and visual alarm 13 and the smoke sensor 14 are electrically connected with the PLC 12, and when the smoke sensor 14 detects that the interior of the cabinet body 1 fires and smokes, the PLC 12 controls the audible and visual alarm 13 to give an alarm.

As shown in fig. 2 and 3, the mounting structure 3 includes a plurality of mounting plates 33 and two guide rails 31 fixed to both sides of the inside of the cabinet 1. A plurality of holes 34 are formed in the middle of each mounting plate 33, two sliding seats 32 are fixed at two ends of each mounting plate 33, and the two sliding seats 32 are respectively connected with the two guide rails 31 in a sliding manner. The position of the mounting plate 33 can be changed by moving the position of the slide 32, and the internal space of the cabinet 1 can be reasonably allocated when the electric control element is actually mounted.

As shown in fig. 1-4, the side wall of the sliding seat 32 penetrates through and is in threaded rotation connection with a locking bolt 35, and one end of the locking bolt 35 positioned in the sliding seat 32 is attached to the surface of the guide rail 31. After each movement of the carriage 32, the carriage 32 may be secured by tightening the lock bolt 35.

As shown in fig. 1 to 4, the heat dissipation structure 4 includes a plurality of heat conductive plates 41 penetrating and fixed to the bottom of the cabinet 1, and a heat dissipation fan 42 is fixed to the top of the plurality of heat conductive plates 41 located at one side of the outside of the cabinet 1. The side of the cabinet door 2 is fixed with a sealing strip 15. The sealing strip 15 can increase the tightness between the cabinet door 2 and the cabinet body 1. And under the condition of sealing the interior of the cabinet body 1, the fire extinguishing structure 7 is more beneficial to extinguish fire.

Under the premise of ensuring the internal sealing of the cabinet body 1, the heat conducting plate 41 can lead out the heat in the cabinet body 1 to the outside of the cabinet body 1, and the heat conducting plate 41 is radiated by matching with the radiating fan 42, so that the indirect radiation of the internal part of the cabinet body 1 can be realized.

As shown in fig. 2 and 4, the fire extinguishing structure 7 comprises a movable seat 71 which is sleeved on the surface of the cross bar 6 in a sliding manner, and a spray head 72 is fixed on the outer side wall of the movable seat 71. A hose 73 is fixed at the top end of the nozzle 72, and the other end of the hose 73 is connected with the elbow pipe 8. The hose 73 can be used for adapting the movable seat 71 to drive the spray head 72 to move.

The middle part of the bent pipe 8 is fixed with an electromagnetic valve 9, and the electromagnetic valve 9 is electrically connected with a PLC controller 12. When the smoke sensor 14 detects the fire smoke, the PLC 12 controls the electromagnetic valve 9 to be opened, and at the moment, the liquid carbon dioxide in the pressure tank 5 enters the spray head 72 along the bent pipe 8 and the hose 73 and finally is sprayed out of the spray head 72, so that the fire extinguishing in the cabinet 1 is realized.

The top inside the cabinet body 1 is fixed with motor 10, and motor 10 drive end is fixed with lead screw 11, and lead screw 11 runs through and removes seat 71 and with remove seat 71 screw thread rotation and be connected. The motor 10 is electrically connected to the PLC controller 12. When the spray head 72 sprays carbon dioxide, the PLC controller 12 controls the motor 10 to drive the screw rod 11 to rotate continuously and reversely, so as to drive the spray head 72 to spray in a moving way.

Working principle: when the electronic control element is mounted in the cabinet 1, the sliding seat 32 at both sides of the mounting plate 33 can be slid up or down according to the size of the actually mounted electronic control element, thereby adjusting the interval between the adjacent two mounting plates 33, then the sliding seat 32 is fixed by tightening the locking bolt 35, and then the electronic control element can be mounted on the mounting plate 33. If the electric control element short circuit is in fire in the cabinet body 1, the smoke sensor 14 can detect smoke and transmit signals to the PLC 12, the PLC 12 can control the electromagnetic valve 9 to be opened, carbon dioxide in the pressure tank 5 is sprayed out from the spray nozzle 72 to extinguish fire, meanwhile, the PLC 12 can control the motor 10 to drive the lead screw 11 to continuously rotate positively and negatively, so that the lead screw 11 can drive the movable seat 71 to move back and forth, the spray nozzle 72 is driven to move back and forth, and uniformity of spraying carbon dioxide is guaranteed.

In the description of the present utility model, it is to be understood that: the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are each based on the orientation or positional relationship shown in the drawings and are merely for convenience of description of the present utility model, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present utility model; furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In describing the present utility model, it should be noted that: the terms "mounted," "connected," "disposed," and "formed" are to be construed broadly, unless otherwise specifically defined and limited; for example, the device can be fixedly connected and arranged, can be detachably connected and arranged, or adopts an integrated structure; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, or can be communicated with each other inside the two components; the specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

In the description of the present utility model, the descriptions of the terms "embodiment," "specific example," or "practical application," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment is included in at least one embodiment or example of the present utility model; the schematic representations of the above terms do not necessarily refer to the same embodiments or examples, and the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above embodiments are only for illustrating the technical solution of the present utility model, and it should be understood by those skilled in the art that the above embodiments are not limited to the present utility model in any way, and all technical solutions obtained by equivalent substitution or equivalent transformation fall within the protection scope of the present utility model.

Claims

1. Electric control cabinet with safety protection, its characterized in that: including cabinet body (1), cabinet body (1) one side is uncovered design, and cabinet body (1) uncovered one side is connected with cabinet door (2) through the hinge rotation, cabinet body (1) inside is equipped with mounting structure (3) that are used for installing control element, cabinet body (1) lateral wall bottom and keep away from cabinet door (2) one side and be fixed with heat radiation structure (4), cabinet body (1) upper surface fixation has overhead tank (5) that are used for storing liquid carbon dioxide, cabinet body (1) inside top is fixed with horizontal pole (6), horizontal pole (6) surface sliding connection has fire extinguishing structure (7), return bend (8) that overhead tank (5) one side fixedly connected with and fire extinguishing structure (7) are connected, cabinet body (1) internal roof is fixed with PLC controller (12) and smoke transducer (14), cabinet body (1) upper surface fixation has audible-visual annunciator (13).

2. The power control cabinet with safety protection according to claim 1, wherein: the mounting structure (3) comprises a plurality of mounting plates (33) and two guide rails (31) fixed on two sides of the inside of the cabinet body (1), a plurality of hole grooves (34) are formed in the middle of each mounting plate (33), two sliding seats (32) are fixed at two ends of each mounting plate (33), and the two sliding seats (32) are respectively connected with the two guide rails (31) in a sliding mode.

3. The power control cabinet with safety protection according to claim 2, wherein: the side wall of the sliding seat (32) penetrates through the side wall of the sliding seat, a locking bolt (35) is connected with the sliding seat in a threaded rotation mode, and one end of the locking bolt (35) located in the sliding seat (32) is attached to the surface of the guide rail (31).

4. The power control cabinet with safety protection according to claim 1, wherein: the heat dissipation structure (4) comprises a plurality of heat conduction plates (41) which penetrate through and are fixed at the bottom of the cabinet body (1), and a plurality of heat dissipation fans (42) are fixed at the top of one side of the heat conduction plates (41) outside the cabinet body (1).

5. The power control cabinet with safety protection according to claim 1, wherein: the fire extinguishing structure (7) comprises a movable seat (71) which is sleeved on the surface of the cross rod (6) in a sliding manner, a spray head (72) is fixed on the outer side wall of the movable seat (71), a hose (73) is fixed on the top end of the spray head (72), the other end of the hose (73) is connected with a bent pipe (8), an electromagnetic valve (9) is fixed in the middle of the bent pipe (8), and the electromagnetic valve (9) is electrically connected with a PLC (programmable logic controller) 12.

6. The power control cabinet with safety protection according to claim 5, wherein: the novel intelligent cabinet is characterized in that a motor (10) is fixed at the top end inside the cabinet body (1), a screw rod (11) is fixed at the driving end of the motor (10), and the screw rod (11) penetrates through the movable seat (71) and is in threaded rotary connection with the movable seat (71).

7. The power control cabinet with safety protection according to claim 1, wherein: sealing strips (15) are fixed on the side edges of the cabinet door (2).