Fixed box-type substation with fire extinguishing function

Abstract

The utility model relates to a fixed box-type transformer substation with a fire extinguishing function, which belongs to the technical field of fixed box-type transformer substations and comprises a box-type transformer substation body, and the front surface of the box-type transformer substation body is rotatably connected with a fixed door through a hinge. According to the fixed box-type transformer substation with the fire extinguishing function, when smoke is generated during combustion in the box-type transformer substation body, the smoke sensor senses and sends a signal to the PLC control panel, the PLC control panel opens the electromagnetic valve after receiving the signal, and when the electromagnetic valve or the smoke sensor is damaged, the PLC control panel opens the electromagnetic valve. At the moment, people can see flames in the box-type transformer substation body through a visual window, toughened glass can be crushed through stones, a hand penetrates through a fixing opening to twist and open a manual valve, then fire extinguishing gas in a left fire extinguishing tank flows into a gas outlet plate, and the fire extinguishing gas in the box-type transformer substation body is extinguished. And then the gas outlet plate uniformly discharges fire extinguishing gas and extinguishes flames in the box-type substation body.

Description

Technical Field

[0001] The utility model relates to the technical field of fixed box-type substations, in particular to a fixed box-type substation with a fire extinguishing function. Background Art

[0002] Box-type substation, also known as prefabricated substation or prefabricated substation, is a kind of high-voltage switchgear, distribution transformer and low-voltage distribution device. It is a new type of substation that has emerged after civil substation. Power transmission refers to a way of transmitting power from a power plant or power source from one place to another. Due to the immature technology in the early days, power transmission mostly adopted DC transmission, and later gradually evolved into AC transmission. AC transmission has many advantages, reducing the loss in power transmission, and increasing the speed and transmission length. Fixed box-type substation is one of the important distribution equipment in power transmission projects.

[0003] For example, Chinese patent CN219268164U discloses a fixed box-type substation with fire extinguishing function, including a box-type substation component, wherein the box-type substation component includes a substation box and a top plate. The utility model detects the smoke concentration data in the substation box through a smoke sensor. When the data detected by the smoke sensor reaches a threshold value, the exhaust port of the fire extinguisher tank is opened through an electromagnetic valve, so that the fire extinguishing gas in the fire extinguisher tank is introduced into the interior of the drainage pipe through a guide pipe, and then the fire extinguishing gas in the drainage pipe is quickly ejected through a nozzle, and then the threaded slider is driven to move by the threaded column through the output shaft of the servo motor, and the moving threaded slider drives the fire extinguisher tank and the drainage pipe to move, so that the fire extinguishing gas covers the substation box in all directions, and then the fire source in the box-type substation can be extinguished in time, avoiding the occurrence of more serious fires, and increasing the protection of electrical components in the box-type substation.

[0004] Although the above patent can extinguish the fire source in the box-type substation in time, avoid causing more serious fires, and increase the protection of electrical components in the box-type substation, the fire extinguisher tank of the patent lacks a manual switch. When any part of the solenoid valve and the smoke sensor is damaged, the fire cannot be extinguished, thereby reducing its practicality. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a fixed box-type substation with a fire extinguishing function, which has the advantages of being able to manually open the fire extinguisher tank and extinguish the fire when the electronic parts controlling the fire extinguisher tank switch are damaged. It solves the problem that there is a lack of a manual switch in the fire extinguisher tank. When any part of the solenoid valve and the smoke sensor is damaged, the fire cannot be extinguished, thereby reducing the practicality.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixed box-type substation with a fire extinguishing function, comprising a box-type substation body, the front of the box-type substation body is rotatably connected with a fixed door through a hinge, the front of the fixed door is provided with a heat dissipation filter, the front of the fixed door is provided with a visual window, the visual window is located on the upper side of the heat dissipation filter, the front of the fixed door is fixed with a PLC control panel, the upper surface of the box-type substation body is provided with a fire extinguishing mechanism, and the bottom wall of the inner cavity of the box-type substation body is provided with a heat dissipation mechanism;

[0007] The fire extinguishing mechanism includes a protective frame fixed to the upper surface of the box-type substation body by bolts, a fixing port is opened on the left side of the protective frame, tempered glass is fixed inside the fixing port, two fire extinguishing tanks are fixed on the upper surface of the box-type substation body, the right side of the fire extinguishing tank is connected to an output pipe, the outer side of the output pipe is connected to an electromagnetic valve, and the inside of the electromagnetic valve is connected to an input pipe.

[0008] Furthermore, the fire extinguishing mechanism also includes an air outlet plate fixed on the top wall of the inner cavity of the box-type substation body, the bottom end of the input pipe passes through the box-type substation body and is connected to the upper surface of the air outlet plate, the left side of the fire extinguishing tank on the left is connected to a first connecting pipe, the outer side of the first connecting pipe is connected to a manual valve, the interior of the manual valve is connected to a second connecting pipe, the bottom end of the second connecting pipe passes through the box-type substation body and is connected to the upper surface of the air outlet plate, a smoke sensor is arranged on the upper side of the right side wall of the inner cavity of the box-type substation body, and the smoke sensor and the electromagnetic valve are electrically connected to the PLC control panel through wires.

[0009] Furthermore, the air outlet plate comprises a hollow plate, and the lower surface of the hollow plate is connected to at least two air outlet nozzles.

[0010] Furthermore, the heat dissipation mechanism includes a U-shaped frame fixed to the bottom wall of the inner cavity of the box-type substation body, an air outlet plate is fixed to the upper surface of the U-shaped frame, two heat dissipation fans are fixed to the bottom wall of the inner cavity of the U-shaped frame, an air outlet pipe is fixed to the air outlet end of the heat dissipation fan, the top end of the air outlet pipe is connected to the lower surface of the air outlet plate, and the two heat dissipation fans are electrically connected to the PLC control panel through wires.

[0011] Furthermore, the upper surface of the air outlet plate is provided with no less than two air outlet holes.

[0012] Furthermore, a handle is fixed on the front of the fixed door, and the handle is located on the right side of the PLC control panel.

[0013] Furthermore, the air outlet plate is located on the longitudinal center axis of the box-type substation body.

[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0015] 1. For the fixed box-type substation with fire extinguishing function, when there is smoke burning inside the box-type substation body, the smoke sensor senses it and sends a signal to the PLC control panel. After receiving the signal, the PLC control panel opens the electromagnetic valve, and the fire extinguishing gas inside the right fire extinguishing tank flows to the inside of the air outlet plate, and then the fire extinguishing gas flows out evenly and the flame of the box-type substation body is quickly extinguished. When the electromagnetic valve or the smoke sensor is damaged, people can see the flame inside the box-type substation body through the visual window. At this time, the tempered glass can be smashed with a stone, and the manual valve can be twisted to open it through the fixed port with the hand, and then the fire extinguishing gas inside the left fire extinguishing tank flows to the inside of the air outlet plate, and then the air outlet plate evenly discharges the fire extinguishing gas and extinguishes the flame inside the box-type substation body.

[0016] 2. The fixed box-type substation with fire extinguishing function turns on the cooling fans on the left and right sides through the PLC control panel. The air from the outside flows into the inside of the air outlet plate through the cooling filter. The air outlet plate evenly discharges air and evenly dissipates heat to the electronic devices inside the box-type substation body, thereby improving the uniformity of heat dissipation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the fire extinguishing mechanism of the utility model;

[0019] Figure 3 This is a schematic diagram of the heat dissipation mechanism of the utility model;

[0020] Figure 4 It is a three-dimensional schematic diagram of the U-shaped frame and the air outlet plate of the utility model.

[0021] In the figure: 1 box-type substation body, 2 fixed door, 3 heat dissipation filter, 4 visual window, 5 PLC control panel, 6 fire extinguishing mechanism, 601 protection frame, 602 fixed port, 603 tempered glass, 604 fire extinguishing tank, 605 output pipe, 606 electromagnetic valve, 607 input pipe, 608 air outlet plate, 609 first connecting pipe, 610 manual valve, 611 second connecting pipe, 612 smoke sensor, 7 heat dissipation mechanism, 701 U-shaped frame, 702 air outlet plate, 703 heat dissipation fan, 704 air outlet pipe. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 In this embodiment, a fixed box-type substation with a fire extinguishing function includes a box-type substation body 1, a fixed door 2 is connected to the front of the box-type substation body 1 through a hinge, a heat dissipation filter 3 is arranged on the front of the fixed door 2, a visual window 4 is arranged on the front of the fixed door 2, and the visual window 4 is located on the upper side of the heat dissipation filter 3, a PLC control panel 5 is fixed on the front of the fixed door 2, a fire extinguishing mechanism 6 is arranged on the upper surface of the box-type substation body 1, and the fire extinguishing mechanism 6 can manually open the fire extinguishing tank 604 and extinguish the fire when the electronic parts controlling the switch of the fire extinguishing tank 604 are damaged, and a heat dissipation mechanism 7 is arranged on the bottom wall of the inner cavity of the box-type substation body 1, and the heat dissipation mechanism 7 improves the uniformity of heat dissipation.

[0024] In this embodiment, a handle is fixed on the front of the fixed door 2 , and the handle is located on the right side of the PLC control panel 5 .

[0025] See also Figure 2 In order to manually open the fire extinguisher tank 604 and extinguish the fire when the electronic parts controlling the switch of the fire extinguisher tank 604 are damaged, in this embodiment, the fire extinguishing mechanism 6 includes a protective frame 601 fixed to the upper surface of the box-type substation body 1 by bolts, and a fixing port 602 is opened on the left side of the protective frame 601. A tempered glass 603 is fixed inside the fixing port 602. Two fire extinguisher tanks 604 are fixed on the upper surface of the box-type substation body 1. By setting two fire extinguisher tanks 604, the adequacy of the fire extinguishing gas can be improved. The right side of the right fire extinguisher tank 604 is connected to an output pipe 605, the outer side of the output pipe 605 is connected to an electromagnetic valve 606, and the inner side of the electromagnetic valve 606 is connected to an input pipe 607.

[0026] In this embodiment, the fire extinguishing mechanism 6 also includes an air outlet plate 608 fixed on the top wall of the inner cavity of the box-type substation body 1. The bottom end of the input pipe 607 passes through the box-type substation body 1 and is connected to the upper surface of the air outlet plate 608. The left side of the left fire extinguishing tank 604 is connected to a first connecting pipe 609.

[0027] In this embodiment, the outer side of the first connecting pipe 609 is connected to a manual valve 610, and the interior of the manual valve 610 is connected to a second connecting pipe 611. The bottom end of the second connecting pipe 611 passes through the box-type substation body 1 and is connected to the upper surface of the air outlet plate 608. When there is smoke burning inside the box-type substation body 1, the smoke sensor 612 senses it and sends a signal to the PLC control panel 5. After receiving the signal, the PLC control panel 5 opens the electromagnetic valve 606, and the fire extinguishing gas inside the fire extinguishing tank 604 on the right flows to the inside of the air outlet plate 608 through the output pipe 605 and the input pipe 607, and then the air outlet plate 608 evenly flows out the fire extinguishing gas and quickly extinguishes the flame of the box-type substation body 1.

[0028] In this embodiment, a smoke sensor 612 is provided on the upper side of the right side wall of the inner cavity of the box-type substation body 1. The smoke sensor 612 and the electromagnetic valve 606 are electrically connected to the PLC control panel 5 through wires. The air outlet plate 608 includes a hollow plate. The lower surface of the hollow plate is connected to at least two air outlet nozzles. The air outlet plate 608 is located on the longitudinal center axis of the box-type substation body 1.

[0029] It should be noted that when the electromagnetic valve 606 or the smoke sensor 612 is damaged, people can see flames inside the box-type substation body 1 through the visual window 4. At this time, the tempered glass 603 can be smashed with a stone, and the manual valve 610 can be twisted open by hand through the fixed port 602. Then the fire extinguishing gas inside the left fire extinguishing tank 604 flows to the inside of the air outlet plate 608 through the first connecting pipe 609 and the second connecting pipe 611, and then the air outlet plate 608 evenly discharges the fire extinguishing gas and extinguishes the flames inside the box-type substation body 1.

[0030] See also Figure 3-4 In order to improve the uniformity of heat dissipation, in this embodiment, the heat dissipation mechanism 7 includes a U-shaped frame 701 fixed to the bottom wall of the inner cavity of the box-type substation body 1, and an air outlet plate 702 is fixed to the upper surface of the U-shaped frame 701. Two heat dissipation fans 703 are fixed to the bottom wall of the inner cavity of the U-shaped frame 701. An air outlet pipe 704 is fixed to the air outlet end of the heat dissipation fan 703. The top of the air outlet pipe 704 is connected to the lower surface of the air outlet plate 702. The heat dissipation fans 703 on the left and right sides are turned on through the PLC control panel 5, and the outside air flows through the heat dissipation filter 3 to the inside of the left and right air outlet pipes 704, and then flows to the inside of the air outlet plate 702. The two heat dissipation fans 703 are electrically connected to the PLC control panel 5 through wires.

[0031] In this embodiment, the upper surface of the air outlet plate 702 is provided with no less than two air outlet holes.

[0032] It should be noted that the air outlet plate 702 evenly discharges air and evenly dissipates heat for the electronic components inside the box-type substation body 1, thereby improving the uniformity of heat dissipation.

[0033] The working principle of the above embodiment is:

[0034] (1) When there is smoke from burning inside the box-type substation body 1, the smoke sensor 612 senses it and sends a signal to the PLC control panel 5. After receiving the signal, the PLC control panel 5 opens the electromagnetic valve 606, and the fire extinguishing gas inside the right fire extinguishing tank 604 flows to the inside of the gas outlet plate 608 through the output pipe 605 and the input pipe 607. Then the gas outlet plate 608 evenly discharges the fire extinguishing gas and quickly extinguishes the flame of the box-type substation body 1. When the electromagnetic valve 606 or the smoke sensor 612 is damaged, people can see the flame inside the box-type substation body 1 through the visual window 4. At this time, the tempered glass 603 can be smashed with a stone, and the manual valve 610 can be twisted and opened by hand through the fixed port 602. Then the fire extinguishing gas inside the left fire extinguishing tank 604 flows to the inside of the gas outlet plate 608 through the first connecting pipe 609 and the second connecting pipe 611. Then the gas outlet plate 608 evenly discharges the fire extinguishing gas and extinguishes the flame inside the box-type substation body 1.

[0035] (2) The cooling fans 703 on the left and right sides are turned on through the PLC control panel 5. The air from the outside flows through the cooling filter 3 to the inside of the left and right air outlet ducts 704, and then flows to the inside of the air outlet plate 702. The air outlet plate 702 evenly discharges air and evenly dissipates heat to the electronic components inside the box-type substation body 1, thereby improving the uniformity of heat dissipation.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0037] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A fixed box-type substation with fire extinguishing function, comprising a box-type substation body (1), characterized in that: The front of the box-type substation body (1) is rotatably connected to a fixed door (2) via a hinge, the front of the fixed door (2) is provided with a heat dissipation filter (3), the front of the fixed door (2) is provided with a visual window (4), the visual window (4) is located on the upper side of the heat dissipation filter (3), the front of the fixed door (2) is fixed with a PLC control panel (5), the upper surface of the box-type substation body (1) is provided with a fire extinguishing mechanism (6), and the bottom wall of the inner cavity of the box-type substation body (1) is provided with a heat dissipation mechanism (7); The fire extinguishing mechanism (6) comprises a protective frame (601) fixed to the upper surface of the box-type substation body (1) by bolts, a fixing opening (602) is provided on the left side of the protective frame (601), a tempered glass (603) is fixed inside the fixing opening (602), two fire extinguishing tanks (604) are fixed to the upper surface of the box-type substation body (1), the right side of the fire extinguishing tank (604) is connected to an output pipe (605), the outer side of the output pipe (605) is connected to an electromagnetic valve (606), and the inside of the electromagnetic valve (606) is connected to an input pipe (607).

2. A fixed box-type substation with fire extinguishing function according to claim 1, characterized in that: The fire extinguishing mechanism (6) further comprises an air outlet plate (608) fixed on the top wall of the inner cavity of the box-type substation body (1); the bottom end of the input pipe (607) penetrates the box-type substation body (1) and is connected to the upper surface of the air outlet plate (608); the left side of the left fire extinguishing tank (604) is connected to a first connecting pipe (609); the outer side of the first connecting pipe (609) is connected to a manual valve (610); the inside of the manual valve (610) is connected to a second connecting pipe (611); the bottom end of the second connecting pipe (611) penetrates the box-type substation body (1) and is connected to the upper surface of the air outlet plate (608); a smoke sensor (612) is arranged on the upper side of the right side wall of the inner cavity of the box-type substation body (1); the smoke sensor (612) and the electromagnetic valve (606) are both electrically connected to the PLC control panel (5) through wires.

3. A fixed box-type substation with fire extinguishing function according to claim 2, characterized in that: The air outlet plate (608) comprises a hollow plate, and the lower surface of the hollow plate is connected to at least two air outlet nozzles.

4. The fixed box-type substation with fire extinguishing function according to claim 1 is characterized in that: The heat dissipation mechanism (7) comprises a U-shaped frame (701) fixed to the bottom wall of the inner cavity of the box-type substation body (1); an air outlet plate (702) is fixed to the upper surface of the U-shaped frame (701); two heat dissipation fans (703) are fixed to the bottom wall of the inner cavity of the U-shaped frame (701); an air outlet pipe (704) is fixed to the air outlet end of the heat dissipation fan (703); the top end of the air outlet pipe (704) is connected to the lower surface of the air outlet plate (702); and the two heat dissipation fans (703) are electrically connected to the PLC control panel (5) through wires.

5. A fixed box-type substation with fire extinguishing function according to claim 4, characterized in that: The upper surface of the air outlet plate (702) is provided with no less than two air outlet holes.

6. The fixed box-type substation with fire extinguishing function according to claim 1 is characterized in that: A handle is fixed on the front of the fixed door (2), and the handle is located on the right side of the PLC control panel (5).

7. The fixed box-type substation with fire extinguishing function according to claim 2 is characterized in that: The air outlet plate (608) is located on the longitudinal center axis of the box-type substation body (1).

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