CN114914800A

CN114914800A - Prevent transformer substation's switch board of fire spreading anti-icing hail

Info

Publication number: CN114914800A
Application number: CN202210838229.7A
Authority: CN
Inventors: 刘笛; 许运华
Original assignee: Xuzhou Jinmao New Energy Technology Co Ltd
Current assignee: Jiangsu Changyuan New Energy Research Institute Co.,Ltd.
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2022-08-16
Anticipated expiration: 2042-07-18
Also published as: CN114914800B

Abstract

The invention discloses a transformer substation power distribution cabinet capable of preventing fire spreading and hail suppression, which is used for carrying out fire prevention and extinguishment on the power distribution cabinet and reducing damage of hail to the power distribution cabinet. This kind of prevent transformer substation's switch board of fire spreading hail prevention has improved the safety in utilization performance of switch board, has ensured near switch board's fire behavior, and reduces the impact force of hail to the arc baffle simultaneously to the influence of regulator cubicle is taken in the slow-release hail, has improved the prevention ability of switch board to rainwater and hail.

Description

Prevent transformer substation's switch board of fire spreading anti-icing hail

Technical Field

The application relates to the field of power distribution cabinets, in particular to a substation power distribution cabinet capable of preventing fire from diffusing and hailing.

Background

The switch board divide into power distribution cabinet and lighting power distribution cabinet, measurement cabinet, is distribution system's final stage equipment, but the switch board has certain defect at the in-process that uses:

1. due to the fact that the use power of internal electronic components is increased, the condition of fire disaster occurs due to the fact that the temperature in the cabinet is too high, and nearby objects can be endangered due to the fact that the fire disaster is too large;

2. when the power distribution cabinet meets hail weather, the hail easily damages the power distribution cabinet.

Therefore, the transformer substation power distribution cabinet capable of preventing fire from spreading and hailing is improved.

Disclosure of Invention

In order to solve the technical problems, the invention provides the following technical scheme:

the invention discloses a transformer substation power distribution cabinet capable of preventing fire from spreading and hail from being generated, which is used for preventing fire and extinguishing fire of the power distribution cabinet and reducing damage of hail to the power distribution cabinet and comprises an electrical cabinet, a lead screw module, a connecting rod, a pushing mechanism, a pressing plate, a hydraulic rod, a rotating plate, an elastic piece and a sleeve;

the lead screw module is arranged inside the electric cabinet;

the connecting rod is in threaded connection with the outer side of the screw rod module, and one end of the connecting rod is fixed with an insertion rod;

the pushing mechanism is connected to the outer side of the electrical cabinet in a sliding manner, and the top end of the pushing mechanism is connected with a fixed sliding block in a sliding manner;

the pressing plate is connected to the inner side wall of the electric cabinet in a sliding manner, and one end of the pressing plate is hinged with a push rod which is positioned on the outer side of the electric cabinet and is hinged with the fixed sliding block;

the hydraulic rod is arranged in the electrical cabinet, one end of the hydraulic rod is fixedly connected with the inner bottom of the electrical cabinet, and the other end of the hydraulic rod penetrates through the side face of the connecting rod;

the rotating plates are distributed in a ring shape and are connected to the inner side wall of the electric cabinet in a sliding manner;

the elastic piece is fixed in the middle of the top end of the rod body II;

the sleeve is arranged at the top of the rod body II, the inner top of the sleeve is fixedly connected with the elastic piece, and the outer top end of the sleeve is fixedly connected with the bottom end of the arc-shaped baffle.

Further, an arc-shaped baffle is fixed to the top of the electrical cabinet, the arc-shaped baffle is of an umbrella-shaped structure, and a plurality of rubber pads which are uniformly distributed are fixedly installed at the top end of the arc-shaped baffle.

Furthermore, fire extinguishing mechanisms are uniformly and fixedly installed on the inner top wall of the electrical cabinet, each fire extinguishing mechanism comprises a shell fixed to the inner top of the electrical cabinet, a pipeline fixed to the bottom end of the shell and four electromagnetic valves fixed to the side faces of the pipeline, and the number of the fire extinguishing mechanisms is four.

Furthermore, the bottom end of the lead screw module is rotatably connected with the inner bottom of the electrical cabinet through a bearing, the top end of the lead screw module penetrates through the top end of the electrical cabinet and is connected with a motor fixed at the top of the electrical cabinet through a coupling in a transmission manner, and a waterproof shell is sleeved on the outer side of the motor.

Furthermore, a mechanical temperature-sensing starting element is fixed on the inner top of the electrical cabinet and on one side of the screw rod module.

Furthermore, the mechanical temperature-sensing starting element is composed of a shell, a moving rod, a spring, an induction coil and a thermosensitive element ring, and the mechanical temperature-sensing starting element generates pulse current by utilizing the electromagnetic induction principle.

Further, pushing mechanism includes plate body one, plate body two and a plurality of arc crown plate, the inner chute has been seted up to the upper surface of plate body one, decide the slider and slide inside the inner chute, the middle part and the fixed sliding block fixed connection of plate body two, just plate body two slides in plate body one inboard, and a plurality of arc crown plates are fixed in one side of plate body two.

Furthermore, the upper surface of rotor plate is fixed with body of rod one, the top of body of rod one is fixed with body of rod two, the lateral surface of body of rod two is fixed with four spacing sliders, just four spacing spouts, four have been seted up to telescopic inner wall spacing slider sliding connection is in the inside of spacing spout.

Furthermore, an annular sliding groove is formed in the top of the electrical cabinet, the first rod body is connected inside the annular sliding groove in a sliding mode, an arc-shaped plate is connected inside the annular sliding groove in a sliding mode, and a sealing gasket is fixed on the outer side of the arc-shaped plate.

Furthermore, a pressure sensor is fixed on the lower surface of the rotating plate, a controller is fixed on one side of the inner top of the electrical cabinet, and a signal output end of the controller is in signal connection with a signal input end of the pressure sensor.

Furthermore, the outer surface of the electrical cabinet is wrapped with a rubber film.

Furthermore, the shell is of a bottle-shaped structure made of transparent glass.

The invention has the beneficial effects that:

1. according to the substation power distribution cabinet capable of preventing fire spreading and hail suppression, the lead screw module is driven to rotate by the motor and matched with the extension of the hydraulic rod and the up-and-down sliding of the limiting connecting rod, so that the rotating plate can be driven to rotate according to different conditions, or the pressing plate moves downwards, when a fire disaster occurs, the fire can be timely extinguished by the fire extinguishing structure and matched with the pushing mechanism to push away surrounding objects, the fire spreading is prevented, the safety performance of the power distribution cabinet in use is improved, and the fireproof capacity near the power distribution cabinet is guaranteed;

2. this kind of prevent transformer substation's switch board of fire spreading hail prevention, when hail weather appears, pressure sensor detects that external object has and when pounding cowl under continuing, the signal is given the controller, control lead screw module starts this moment, and the cancellation is to the limiting displacement of connecting rod, the rotor plate drives cowl and rotates at the horizontal plane, the cowl body reduces the impact force of hail to cowl, and the rubber pad on the cowl can further slowly-release hail take the influence for the regulator cubicle, the preventive ability of switch board to rainwater and hail has been improved.

Drawings

Fig. 1 is a perspective view of a substation distribution cabinet for preventing fire from spreading and hail preventing according to the present invention.

Fig. 2 is a perspective sectional view of a substation distribution cabinet for preventing fire from spreading and hail preventing according to the present invention.

Fig. 3 is a schematic structural diagram of a substation distribution cabinet for preventing fire from spreading and hail preventing according to the present invention.

Fig. 4 is a schematic view of a connecting rod of a substation distribution cabinet for preventing fire from spreading and hail preventing according to the present invention.

Fig. 5 is an enlarged schematic view of part a of fig. 3 of a substation distribution cabinet for preventing fire from spreading and hail suppression according to the present invention.

Fig. 6 is a schematic view of the pushing mechanism of the substation distribution cabinet for preventing fire from spreading and hail preventing of the invention.

Fig. 7 is a schematic view of a rotating rod body of a substation distribution cabinet for preventing fire from spreading and hail preventing according to the present invention.

Fig. 8 is an enlarged schematic view of part B of fig. 3 of a substation distribution cabinet for preventing fire from spreading and hail suppression according to the present invention.

In the figure:

1. an electrical cabinet; 101. an arc-shaped baffle plate; 1011. a rubber pad; 102. a fire extinguishing mechanism; 1021. a housing; 1022. a pipeline; 1023. an electromagnetic valve; 103. a controller; 104. a mechanical temperature-sensitive starting element; 105. an annular chute; 1051. an arc-shaped plate;

2. a screw rod module; 201. a motor;

3. a connecting rod; 301. a plug-in rod;

4. a pushing mechanism; 401. a fixed sliding block; 402. a first plate body; 4021. an inner chute; 403. a second plate body; 404. an arc-shaped ring plate;

5. pressing a plate; 501. a push rod;

6. a hydraulic lever;

7. a rotating plate; 701. a first rod body; 702. a second rod body; 703. a limiting slide block; 704. a pressure sensor;

8. an elastic member;

9. a sleeve.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.

Example 1:

as shown in fig. 1-8:

the invention discloses a transformer substation power distribution cabinet capable of preventing fire from spreading and hail from being generated, which is used for preventing fire and extinguishing fire of the power distribution cabinet and reducing damage of hail to the power distribution cabinet and comprises an electrical cabinet 1, a lead screw module 2, a connecting rod 3, a pushing mechanism 4, a pressing plate 5, a hydraulic rod 6, a rotating plate 7, an elastic piece 8 and a sleeve 9;

the lead screw module 2 is arranged inside the electrical cabinet 1;

the connecting rod 3 is in threaded connection with the outer side of the screw rod module 2, and one end of the connecting rod 3 is fixed with an insertion rod 301;

the pushing mechanism 4 is slidably connected to the outer side of the electrical cabinet 1, and the top end of the pushing mechanism 4 is slidably connected with a fixed sliding block 401;

the pressing plate 5 is connected to the inner side wall of the electrical cabinet 1 in a sliding manner, and one end of the pressing plate 5 is hinged with a push rod 501 which is positioned outside the electrical cabinet 1 and is hinged with the fixed sliding block 401;

the hydraulic rod 6 is arranged inside the electrical cabinet 1, one end of the hydraulic rod 6 is fixedly connected with the inner bottom of the electrical cabinet 1, and the other end of the hydraulic rod 6 penetrates through the side face of the connecting rod 3;

the rotating plates 7 are distributed in a ring shape and are connected to the inner side wall of the electrical cabinet 1 in a sliding manner;

the elastic piece 8 is fixed in the middle of the top end of the second rod body 702;

the sleeve 9 is arranged at the top of the second rod body 702, the inner top of the sleeve 9 is fixedly connected with the elastic piece 8, and the outer top end of the sleeve 9 is fixedly connected with the bottom end of the arc baffle 101.

Example 2:

on the basis of example 1, as shown in fig. 1:

wherein, cowl 101 is fixed with at the top of regulator cubicle 1, cowl 101 is the umbelliform structure, just cowl 101's top fixed mounting has a plurality of evenly distributed's rubber pad 1011, utilizes the umbelliform structure, can prevent effectively that external water source from falling on the top of regulator cubicle 1, has improved regulator cubicle 1's waterproof performance, and rubber pad 1011 can further slowly-releasing the influence that the hail brought regulator cubicle 1, has improved regulator cubicle 1's life.

As shown in fig. 3:

wherein, the bottom of lead screw module 2 is passed through the bearing and is connected with the interior bottom rotation of regulator cubicle 1, and the top of lead screw module 2 runs through the top of regulator cubicle 1 and is connected with the motor 201 that is fixed in the 1 top of regulator cubicle through the coupling joint transmission, and the outside cover of motor 201 is equipped with the waterproof case, utilizes motor 201 to rotate and can drive lead screw module 2 and rotate, and the waterproof case can carry out further water protection to motor 201.

Wherein, the lower surface of rotating plate 7 is fixed with pressure sensor 704, and interior top one side of regulator cubicle 1 is fixed with controller 103, and the signal output part of controller 103 and pressure sensor 704's signal input part signal connection, on pressure sensor 704 can detect whether there is external object to pound cowl 101 under continuing, controller 103 received the signal of pressure sensor 704 transmission to the intelligent control motor 201 of being convenient for stops.

The mechanical temperature-sensing starting element 104 is fixed to the inner top of the electrical cabinet 1 and located on one side of the screw rod module 2, and the mechanical temperature-sensing starting element 104 is used for detecting the internal temperature of the electrical cabinet 1, so that fire is detected.

Wherein, mechanical type temperature sensing starting element 104 comprises shell, carriage release lever, spring, induction coil, heat-sensitive element ring, and mechanical type temperature sensing starting element 104 utilizes the electromagnetic induction principle to carry out the production of pulse current, utilizes the electromagnetic induction principle to produce pulse current to with signal transmission to the mechanism 102 department of putting out a fire and put out a fire, mechanical type temperature sensing starting element 104 can be to controller 103 feedback signal simultaneously, has improved signal transmission's stability, thereby has improved the reply ability of regulator cubicle 1 to the conflagration.

As shown in fig. 5 and 8:

wherein, the even fixed mounting of inside roof of regulator cubicle 1 has fire extinguishing mechanism 102, and fire extinguishing mechanism 102 is including being fixed in casing 1021 at the top in regulator cubicle 1, being fixed in the pipeline 1022 of casing 1021 bottom and being fixed in the solenoid valve 1023 of pipeline 1022 side, and the quantity of fire extinguishing mechanism 102 is four, and when the conflagration breaing out, solenoid valve 1023 is automatic to be opened, and the fire extinguishing material of saving in casing 1021 inside flows out from pipeline 1022, realizes putting out a fire to regulator cubicle 1.

The first rod body 701 is fixed on the upper surface of the rotating plate 7, the second rod body 702 is fixed on the top end of the first rod body 701, the four limiting slide blocks 703 are fixed on the outer side faces of the second rod body 702, the four limiting slide grooves are formed in the inner wall of the sleeve 9, the four limiting slide blocks 703 are connected to the inside of the limiting slide grooves in a sliding mode, the moving direction of the limiting slide blocks 703 is limited by the limiting slide grooves, and therefore the second rod body 702 can push the limiting slide blocks 703 to slide outwards and push away objects near the electrical cabinet 1 conveniently.

As shown in fig. 6:

wherein, pushing mechanism 4 includes plate body one 402, plate body two 403 and a plurality of arc cyclic slab 404, interior spout 4021 has been seted up to the upper surface of plate body one 402, fixed sliding block 401 slides inside interior spout 4021, the middle part and the fixed sliding block 401 fixed connection of plate body two 403, and plate body two 403 slides in plate body one 402 inboard, a plurality of arc cyclic slabs 404 are fixed in one side of plate body two 403, when pushing mechanism 4 slides along the surface of regulator cubicle 1, fixed sliding block 401 freely slides in interior spout 4021, promote plate body two 403 synchronous slip simultaneously, the arc face contact of arc cyclic slab 404 is around the object this moment, can effectively protect around the object not receive the damage, and prevent to scrape and flower around the object.

As shown in fig. 7:

wherein, annular chute 105 has been seted up at the top of regulator cubicle 1, body of rod 701 sliding connection is in the inside of annular chute 105, the inside sliding connection of annular chute 105 has arc 1051, the outside of arc 1051 is fixed with sealed the pad, annular chute 105 can supply body of rod 701 to carry out the free slip, sealed pad can prevent effectively that external water source from getting into regulator cubicle 1 through regulator cubicle 1 top simultaneously in, has improved regulator cubicle 1's waterproof ability.

The working principle is as follows:

when a fire occurs, the mechanical temperature-sensing starting element 104 detects the internal temperature of the electrical cabinet 1, so as to realize the function of the mechanical temperature-sensing starting element 104 detecting the fire situation, when the mechanical temperature-sensing starting element 104 detects the abnormal temperature, the pulse current is generated by using the electromagnetic induction principle, and the signal is transmitted to the fire extinguishing mechanism 102, at this time, the electromagnetic valve 1023 is automatically opened, the fire extinguishing material stored in the shell 1021 flows out from the pipeline 1022, so as to realize the fire extinguishing of the electrical cabinet 1, meanwhile, the controller 103 controls the motor 201 to rotate, the motor 201 drives the lead screw module 2 to rotate, the lead screw module 2 drives the connecting rod 3 to move downwards, at this time, the connecting rod 3 presses the pressing plate 5 through the inserting rod 301, the pressing plate 5 pushes the pushing mechanism 4 to move outwards through the push rod 501, the push rod 501 pushes the fixed sliding block 401 to freely slide in the inner sliding groove 4021, and pushes the plate body two 403 to synchronously slide, at the moment, the arc-shaped surface of the arc-shaped ring plate 404 contacts with surrounding objects and pushes away the nearby objects so as to prevent the fire from expanding;

when hail weather occurs, the pressure sensor 704 detects that an external object continuously hits the arc baffle 101 and sends a signal to the controller 103, the controller 103 controls the motor 201 to start, that is, the screw rod module 2 is started and drives the connecting rod 3 to move, so that the inserting rod 301 on the connecting rod 3 is inserted into the groove of the rotating plate 7 and is clamped with the rotating plate 7, then the hydraulic rod 6 moves downwards and cancels the limit action on the connecting rod 3, at the moment, the connecting rod 3 on the screw rod module 2 can not slide up and down, then the output shaft of the motor 201 drives the rotating plate 7 to rotate through the screw rod of the screw rod module 2, the rotating plate 7 can drive the arc-shaped baffle 101 to rotate on the horizontal plane when rotating, at this time, the arc-shaped plate 1051 can reduce the impact force of hail on the arc-shaped baffle 101, meanwhile, the arc-shaped baffle 101 is provided with a plurality of arc-shaped rubber pads 1011, so that the influence of hail on the electrical cabinet 1 can be further released slowly;

can accomplish the switch board like this to the reply ability of conflagration and to the protective capacities of hail rainwater.

Example 3:

on the basis of example 1 and example 2:

the electromagnetic valve 1023, the controller 103, the mechanical temperature-sensing starting element 104, the motor 201, the hydraulic rod 6 and the pressure sensor 704 in the fire extinguishing mechanism 102 are in signal connection, and the maintenance cycle of the fire extinguishing mechanism 102 and the pushing mechanism 4 is one month.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Claims

1. A transformer substation power distribution cabinet capable of preventing fire from spreading and hailing is used for conducting fire prevention and extinguishment on the power distribution cabinet and reducing damage of hail to the power distribution cabinet, and is characterized by comprising an electrical cabinet (1), a lead screw module (2), a connecting rod (3), a pushing mechanism (4), a pressing plate (5), a hydraulic rod (6), a rotating plate (7), an elastic piece (8) and a sleeve (9);

the lead screw module (2) is arranged inside the electrical cabinet (1);

the connecting rod (3) is in threaded connection with the outer side of the screw rod module (2), and one end of the connecting rod (3) is fixed with an insertion rod (301);

the pushing mechanism (4) is connected to the outer side of the electrical cabinet (1) in a sliding manner, and the top end of the pushing mechanism (4) is connected with a fixed sliding block (401) in a sliding manner;

the pressing plate (5) is connected to the inner side wall of the electrical cabinet (1) in a sliding mode, and one end of the pressing plate (5) is hinged to a push rod (501) which is located on the outer side of the electrical cabinet (1) and hinged to the fixed sliding block (401);

the hydraulic rod (6) is arranged inside the electrical cabinet (1), one end of the hydraulic rod (6) is fixedly connected with the inner bottom of the electrical cabinet (1), and the other end of the hydraulic rod (6) penetrates through the side face of the connecting rod (3);

the rotating plates (7) are distributed in a ring shape and are connected to the inner side wall of the electric cabinet (1) in a sliding manner;

the elastic piece (8) is fixed in the middle of the top end of the second rod body (702);

sleeve (9) set up in the top of the body of rod two (702), just the interior top and elastic component (8) fixed connection of sleeve (9), the outer top of sleeve (9) and the bottom fixed connection of cowl (101).

2. The substation power distribution cabinet for preventing fire from spreading and hailing according to claim 1, wherein a cambered baffle (101) is fixed at the top of the electrical cabinet (1), the cambered baffle (101) is of an umbrella-shaped structure, and a plurality of uniformly distributed rubber pads (1011) are fixedly installed at the top end of the cambered baffle (101).

3. The substation power distribution cabinet for preventing fire from spreading and hailing according to claim 1, wherein the fire extinguishing mechanism (102) is uniformly and fixedly mounted on the inner top wall of the electrical cabinet (1), the fire extinguishing mechanism (102) comprises a housing (1021) fixed on the inner top of the electrical cabinet (1), a pipeline (1022) fixed at the bottom end of the housing (1021), and solenoid valves (1023) fixed on the side of the pipeline (1022), and the number of the fire extinguishing mechanisms (102) is four.

4. The substation power distribution cabinet for preventing fire from spreading and hailing according to claim 1, wherein the bottom end of the lead screw module (2) is rotatably connected with the inner bottom of the electrical cabinet (1) through a bearing, the top end of the lead screw module (2) penetrates through the top end of the electrical cabinet (1) and is connected with a motor (201) fixed on the top of the electrical cabinet (1) through a coupling transmission, and a waterproof case is sleeved on the outer side of the motor (201).

5. The substation distribution cabinet for preventing fire spreading and hail suppression according to claim 1, wherein a mechanical temperature-sensitive starting element (104) is fixed on the inner top of the electrical cabinet (1) and on one side of the screw rod module (2).

6. The substation distribution cabinet for preventing fire spreading and hail suppression according to claim 5, wherein the mechanical temperature-sensitive starting element (104) is composed of a housing, a moving rod, a spring, an induction coil and a heat-sensitive element ring, and the mechanical temperature-sensitive starting element (104) utilizes the principle of electromagnetic induction to generate pulse current.

7. The substation power distribution cabinet capable of preventing fire from spreading and hailing according to claim 1, wherein the pushing mechanism (4) comprises a first plate body (402), a second plate body (403) and a plurality of arc-shaped ring plates (404), an inner sliding groove (4021) is formed in the upper surface of the first plate body (402), the fixed sliding block (401) slides inside the inner sliding groove (4021), the middle of the second plate body (403) is fixedly connected with the fixed sliding block (401), the second plate body (403) slides inside the first plate body (402), and the arc-shaped ring plates (404) are fixed on one side of the second plate body (403).

8. The substation power distribution cabinet for preventing fire from spreading and hailing according to claim 1, wherein a first rod body (701) is fixed on an upper surface of the rotating plate (7), a second rod body (702) is fixed on a top end of the first rod body (701), four limiting sliding blocks (703) are fixed on an outer side surface of the second rod body (702), four limiting sliding grooves are formed in an inner wall of the sleeve (9), and the four limiting sliding blocks (703) are slidably connected inside the limiting sliding grooves.

9. The substation power distribution cabinet for preventing fire from spreading and hailing according to claim 8, wherein an annular sliding groove (105) is formed in the top of the electrical cabinet (1), the first rod body (701) is slidably connected to the inside of the annular sliding groove (105), an arc-shaped plate (1051) is slidably connected to the inside of the annular sliding groove (105), and a sealing gasket is fixed to the outer side of the arc-shaped plate (1051).

10. The substation power distribution cabinet for preventing fire from spreading and hail preventing according to claim 1, wherein a pressure sensor (704) is fixed on the lower surface of the rotating plate (7), a controller (103) is fixed on one side of the inner top of the electrical cabinet (1), and a signal output end of the controller (103) is in signal connection with a signal input end of the pressure sensor (704).