Fireproof plugging device for transformer substation

Abstract

The invention relates to the technical field of transformer substation fireproof plugging, in particular to a transformer substation fireproof plugging device which comprises a box-type transformer substation, a single door, an observation window and a double door are arranged on the surface of the front end of the box-type transformer substation, and the single door is provided with a switch chamber in the box-type transformer substation and a carbon dioxide storage box attached to the inner wall of the side face of the box-type transformer substation. A transformer chamber and a ventilation and heat dissipation mechanism attached to the inner wall of the side face of the box-type substation are arranged in the box-type substation through the double doors, a fireproof blocking plate is arranged between the switch chamber and the transformer chamber, temperature and humidity sensors corresponding to the switch chamber and the transformer chamber are further arranged on the upper side and the lower side of the fireproof blocking plate, and the temperature and humidity sensors are connected with an observation window. The box-type transformer substation further comprises a firewall, the firewall is a transformer substation pouring wall formed by directly pouring fireproof plaster, and fireproof coating plates are further arranged on the front face and the back face of the firewall. The fireproof plugging material has the advantages of being good in heat insulation and fire resistance and higher in fireproof plugging capacity.

Description

Technical Field

[0001] The invention relates to the technical field of fireproofing and blocking of transformer substations, in particular to a fireproofing and blocking device for transformer substations. Background Art

[0002] The box-type transformer is a combined power transformation and distribution equipment with the advantages of reasonable structure, small size, light weight, low loss, low noise and high reliability. It consists of a high-voltage chamber, a low-voltage chamber, a transformer chamber, etc., and isolation measures are adopted between the chambers.

[0003] Most of the existing box-type substations are used outdoors. If they are not treated with fireproof sealing, it is very likely that the internal control equipment of the box-type substation will be damaged by fire, causing irreversible harm. Therefore, it is particularly important to design a box-type substation with a fireproof sealing structure to effectively prevent the spread of fire and protect the internal equipment.

[0004] Therefore, in view of the above problems, we propose a fireproof blocking device for substations. Summary of the invention

[0005] The purpose of the present invention is to overcome the deficiencies of the prior art and to provide a fireproof plugging device for a transformer substation to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a fireproof blocking device for a substation, comprising a box-type substation, wherein the front surface of the box-type substation is provided with a single door, an observation window and a double door, wherein the single door is provided with a switch room and a carbon dioxide storage box attached to the inner wall of the side of the box-type substation inside the box-type substation, wherein the double door is provided with a transformer room and a ventilation and heat dissipation mechanism attached to the inner wall of the side of the box-type substation inside the box-type substation, wherein a fireproof blocking plate is provided between the switch room and the transformer room, and temperature and humidity sensors are further provided on the upper and lower sides of the fireproof blocking plate corresponding to the switch room and the transformer room, and the temperature and humidity sensors are connected to the observation window; the box-type substation also includes a fire wall, which is a cast wall of the substation formed by directly casting fireproof mortar, and fireproof coating plates are further provided on the front and back sides of the fire wall, and the surface of the fireproof coating plate is provided with fireproof paint.

[0007] Preferably, a bracket is fixedly installed at the bottom of the box-type substation, and a base is provided at the lower end of the bracket.

[0008] Preferably, fixed plates are arranged at the bottom of the switch room and transformer room inside the box-type substation, and the switch room is used to install high-voltage equipment, low-voltage equipment and control equipment through fixed plate bolts, and the transformer room is used to install the transformer through fixed plate bolts. The high-voltage equipment in the switch room is composed of a high-voltage incoming line cabinet, an outgoing line cabinet, a high-voltage metering cabinet and a high-voltage ring network cabinet; the low-voltage equipment is composed of a low-voltage incoming line cabinet, a low-voltage outgoing line cabinet and a low-voltage compensation cabinet, and the power distribution device in the cabinet is composed of a low-voltage circuit breaker, a current transformer, an ammeter, a voltmeter and the like, and the transformer room is operated by a transformer, and the transformer is a dry-type transformer with good heat dissipation and strong overload capacity.

[0009] Preferably, the carbon dioxide storage box on the inner wall of the switch chamber is provided with an air inlet for adding liquid carbon dioxide and an electric valve for discharging carbon dioxide.

[0010] Preferably, a controller is provided on one side of the electric valve, and the controller is connected to a main control board, and the main control board includes a pressure gauge arranged at the upper end of the interior of the carbon dioxide storage box, a meter arranged at the lower end of the pressure gauge, a second smoke sensor arranged inside the main control board, and a temperature sensor arranged at the lower end of the main control board and attached to the carbon dioxide storage box. The main control board is also connected to the observation window, and the observation window includes glass arranged in a closed manner on the outside and a display screen and a prompt light arranged on the inside of the observation window.

[0011] Preferably, the upper end of the electric valve is also connected to a first air outlet pipe, the other end of the first air outlet pipe is connected to a transfer box, the transfer box includes a first smoke sensor arranged at the lower end and second air outlet pipes arranged on both sides, and the lower end of the second air outlet pipe is provided with several nozzles corresponding to the top of the switch room and the transformer room.

[0012] Preferably, a fireproof sealing hole is provided in the middle of the fireproof sealing plate, a fireproof sealant is provided in the middle of the inner side of the fireproof sealing hole, a cable through-hole is provided in the fireproof sealing hole, the cable passes through the fireproof sealing hole through the cable through-hole, and the gap between the fireproof sealing hole and the cable is tightly fitted with the fireproof sealant, and the fireproof sealant is a fireproof expansion type material.

[0013] Preferably, the ventilation and heat dissipation mechanism includes a ventilation and heat dissipation plate arranged on the side of the inner wall of the box-type substation, an axial-flow heat dissipation fan arranged in the middle of the ventilation and heat dissipation mechanism, and a heat dissipation shutter arranged on the outside of the ventilation and heat dissipation mechanism, the axial-flow heat dissipation fan is connected to the observation window, and the axial-flow heat dissipation fan includes a heat dissipation motor and heat dissipation blades.

[0014] Preferably, the single-opening door and the double-opening door are both provided with a first sealing groove and a hinge hinged with the box-type substation, the first sealing groove is symmetrically provided with a second sealing groove on the box-type substation, the single-opening door and the double-opening door have the same structure, a filter for ventilation and a handle for opening and closing the door are provided on the outside of the single-opening door, a control panel is symmetrically provided inside the single-opening door with the filter, and the control panel is connected to an electric push rod and a wireless transceiver.

[0015] Preferably, the electric push rod and the wireless transceiver are both arranged inside the single-opening door, the electric push rod includes a mounting base arranged at the lower end and a sealing block arranged at the upper end, the sealing block is arranged in the first sealing groove, and the first sealing groove is sealed with the sealing block and the second sealing groove by the lifting and lowering of the electric push rod.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention provides a fire wall in a box-type substation, so that the fire wall is a cast wall of a substation formed by directly pouring fireproof mortar, and a fireproof coating plate is provided on both sides of the fire wall, and the surface of the fireproof coating plate is provided with a fireproof coating, so that the box-type substation has multiple functions through the fire wall body and the fireproof coating plate, which is conducive to making the box-type substation have good smoke isolation, heat insulation and fire resistance, so as to achieve the purpose of fireproof blocking of the outside of the box-type substation. In addition, due to the heat dissipation shutters provided on the side of the box-type substation of the present invention, when the outside of the box-type substation encounters a fire, the smoke passes through The heat dissipation shutters enter the interior of the box-type substation, so that the first smoke sensor installed inside the box-type substation triggers the smoke alarm, so that liquid carbon dioxide is installed in the carbon dioxide storage box. When the electric valve is opened, carbon dioxide is quickly sprayed to various positions in the box-type substation through the transfer box connected to the first outlet pipe and the second outlet pipe through the nozzle, so that the interior of the box-type substation is fully covered with carbon dioxide, the air in the box-type substation is removed, and the oxygen concentration in the internal space of the box-type substation is reduced, so as to achieve the purpose of fireproof blocking inside the box-type substation and make the fire prevention ability of both inside and outside of the box-type substation stronger. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a side view structural schematic diagram of the present invention; Figure 3 It is a schematic diagram of the structure of the fireproof blocking mechanism of the present invention; Figure 4 It is a schematic diagram of the internal structure of the present invention; Figure 5 for Figure 4 The enlarged structural diagram at A in the middle; Figure 6 It is a schematic diagram of the fire prevention mechanism structure of the present invention; Figure 7 It is a schematic diagram of the heat sink structure of the present invention; Figure 8 It is a schematic diagram of the internal structure of the fireproof blocking door of the present invention.

[0018] Notes in the figure: 1. Base; 2. Box-type substation; 3. Single door; 4. Observation window; 5. Double door; 6. Heat dissipation shutter; 7. Bracket; 8. Filter; 9. Handle; 10. Display screen; 11. Warning light; 12. Switch room; 13. Fireproof sealing plate; 14. Transformer room; 15. Fixing plate; 16. Ventilation and heat dissipation mechanism; 17. First sealing groove; 18. Second sealing groove; 19. Fireproof sealing hole; 20. Temperature and humidity sensor; 21. Fireproof sealant; 22. Ventilation and heat dissipation plate; 23. Axial flow cooling fan; 24. Dioxide Carbon dioxide storage box; 25. Electric valve; 26. Controller; 27. First air outlet pipe; 28. Second air outlet pipe; 29. ​​Nozzle; 30. Transfer box; 31. First smoke sensor; 32. Air inlet; 33. Fireproof coating plate; 34. Fire wall; 35. Pressure gauge; 36. Main control board; 37. Meter; 38. Second smoke sensor; 39. Temperature sensor; 40. Cooling motor; 41. Cooling fan blade; 42. Hinge; 43. Control board; 44. Mounting seat; 45. Electric push rod; 46. Sealing block; 47. Wireless transceiver. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Example

[0020] like Figure 1-4As shown, the present embodiment discloses a fireproof blocking device for a substation, including a box-type substation 2, a single-door 3, an observation window 4 and a double-door 5 are arranged on the front surface of the box-type substation 2, the single-door 3 is provided with a switch room 12 and a carbon dioxide storage box 24 attached to the inner wall of the side of the box-type substation 2 inside the box-type substation 2, the double-door 5 is provided with a transformer room 14 and a ventilation and heat dissipation mechanism 16 attached to the inner wall of the side of the box-type substation 2 inside the box-type substation 2, a fireproof blocking plate 13 is arranged between the switch room 12 and the transformer room 14, and the fireproof blocking plate 13 is also provided with a temperature and humidity sensor 20 on the upper and lower sides corresponding to the switch room 12 and the transformer room 14, and the temperature and humidity sensor 20 is connected to the observation window 4, and the box-type substation 2 also includes a fire wall 34, the fire wall 34 is a cast wall of the substation formed by directly casting fireproof plaster, and fireproof coating plates 33 are also arranged on the front and back sides of the fire wall 34, and the surface of the fireproof coating plate 33 is provided with a fireproof coating; Among them, a bracket 7 is installed and fixed at the bottom of the box-type substation 2, and a base 1 is provided at the lower end of the bracket 7 for stably installing and fixing the box-type substation 2 outdoors. A fixing plate 15 is arranged at the bottom of the switch room 12 and the transformer room 14 inside the box-type substation 2. The switch room 12 is bolted with high-voltage equipment, low-voltage equipment and control equipment through the fixing plate 15, and the transformer room 14 is bolted with the fixing plate 15; At the same time, an air inlet 32 ​​for adding liquid carbon dioxide and an electric valve 25 for discharging carbon dioxide are provided on the carbon dioxide storage box 24 on the inner wall of the switch room 12. A controller 26 is provided on one side of the electric valve 25. The controller 26 is connected to a main control board 36. The main control board 36 is also connected to an observation window 4. The observation window 4 includes glass arranged in a closed manner on the outside and a display screen 10 and a prompt light 11 arranged on the inside of the observation window 4.

[0021] In this embodiment, the box-type substation 2 is stably fixed and set outdoors for work through the bracket 7 provided at the lower end of the box-type substation 2 and the base 1 provided at the lower end of the bracket 7. The fixing plate 15 provided inside the box-type substation 2 is used to bolt the substation equipment in the switch room 12 and the transformer room 14 inside the box-type substation 2, and the working status of the substation equipment is connected to the observation window 4 provided between the single door 3 and the double door 5 at the front end of the box-type substation 2, so that the temperature and humidity inside the box-type substation 2 and the working status of the equipment can be displayed in real time through the display screen 10 provided on the observation window 4, and the prompt light 11 is used to indicate the working status of the equipment. The light is turned on to indicate its working status. At the same time, a fireproof sealing plate 13 is arranged between the switch room 12 and the transformer room 14, so that the temperature and humidity inside the switch room 12 and the transformer room 14 can be detected through the temperature and humidity sensors 20 respectively arranged at the upper and lower ends of the fireproof sealing plate 13. At the same time, through the fireproof sealing holes 19 and fireproof sealant 21 arranged on the fireproof sealing plate 13, the cable passes through the fireproof sealing hole 19 through the cable perforation. The gap between the fireproof sealing hole 19 and the cable is tightly fitted with the fireproof sealant 21. The fireproof sealant 21 is made of fireproof expansion material, so as to achieve the purpose of fireproof sealing between the switch room 12 and the transformer room 14. Example

[0022] like Figure 4-8 As shown, the present embodiment discloses a fireproof blocking device for a substation, including a box-type substation 2, wherein a single-opening door 3, an observation window 4 and a double-opening door 5 are arranged on the front surface of the box-type substation 2, wherein the single-opening door 3 is provided with a switch room 12 and a carbon dioxide storage box 24 attached to the inner wall of the side of the box-type substation 2 inside the box-type substation 2, wherein the double-opening door 5 is provided with a transformer room 14 and a ventilation and heat dissipation mechanism 16 attached to the inner wall of the side of the box-type substation 2 inside the box-type substation 2, wherein a fireproof blocking plate 13 is arranged between the switch room 12 and the transformer room 14, wherein temperature and humidity sensors 20 are arranged on the upper and lower sides of the fireproof blocking plate 13 corresponding to the switch room 12 and the transformer room 14, and the temperature and humidity sensors 20 are connected to the observation window 4 and the observation window 4. The box-type substation 2 also includes a fire wall 34, which is a cast wall of the substation formed by directly pouring fireproof mortar. Fireproof coating plates 33 are also provided on both sides of the fire wall 34. The surface of the fireproof coating plate 33 is provided with a fireproof coating. The bottom of the switch room 12 and the transformer room 14 inside the box-type substation 2 are arranged with fixing plates 15. The switch room 12 is bolted with high-voltage equipment, low-voltage equipment and control equipment through the fixing plate 15 bolts. The transformer is bolted with the fixing plate 15 bolts in the transformer room 14. The carbon dioxide storage box 24 on the inner wall of the switch room 12 is provided with an air inlet 32 ​​for adding liquid carbon dioxide and an electric valve 25 for discharging carbon dioxide. Among them, a controller 26 is arranged on one side of the electric valve 25, and the controller 26 is connected to a main control board 36, and the main control board 36 includes a pressure gauge 35 arranged at the upper end of the carbon dioxide storage box 24, a meter 37 arranged at the lower end of the pressure gauge 35, a second smoke sensor 38 arranged inside the main control board 36, and a temperature sensor 39 arranged at the lower end of the main control board 36 and attached to the carbon dioxide storage box 24. The upper end of the electric valve 25 is also connected to a first air outlet pipe 27, and the other end of the first air outlet pipe 27 is connected to a transfer box 30, and the transfer box 30 includes a first smoke sensor 31 arranged at the lower end and second air outlet pipes 28 arranged on both sides, and the lower end of the second air outlet pipe 28 is provided with a plurality of nozzles 29 corresponding to the top of the switch room 12 and the transformer room 14; At the same time, the ventilation and heat dissipation mechanism 16 includes a ventilation and heat dissipation plate 22 arranged on the inner wall side of the box-type substation 2, an axial flow heat dissipation fan 23 arranged in the middle of the ventilation and heat dissipation mechanism 16, and a heat dissipation shutter 6 arranged on the outer side of the ventilation and heat dissipation mechanism 16. The axial flow heat dissipation fan 23 is connected to the observation window 4. The axial flow heat dissipation fan 23 includes a heat dissipation motor 40 and a heat dissipation fan blade 41. The single-opening door 3 and the double-opening door 5 are both provided with a first sealing groove 17 and a hinge 42 hinged with the box-type substation 2. The first sealing groove 17 is symmetrically provided with a second sealing groove 18 on the box-type substation 2. The single-opening door 3 and the double-opening door 5 are symmetrically provided with a second sealing groove 18 on the box-type substation 2. The structure is the same as that of the single-open door 3. A filter screen 8 for ventilation and a handle 9 for opening and closing the door are arranged on the outer side of the single-open door 3. A control panel 43 is arranged symmetrically to the filter screen 8 inside the single-open door 3. The control panel 43 is connected to an electric push rod 45 and a wireless transceiver 47. The electric push rod 45 and the wireless transceiver 47 are both arranged inside the single-open door 3. The electric push rod 45 includes a mounting seat 44 arranged at the lower end and a sealing block 46 arranged at the upper end. The sealing block 46 is arranged in the first sealing groove 17. The first sealing groove 17 is sealed with the sealing block 46 and the second sealing groove 18 by the lifting and lowering of the electric push rod 45.

[0023] In this embodiment, a carbon dioxide storage box 24 is arranged on the inner wall of the box-type substation 2 inside the switch room 12, so that the controller 26 on the carbon dioxide storage box 24 and the internal capacity, temperature change and spraying pressure of the carbon dioxide storage box 24 are controlled through the main control board 36 attached to the surface of the carbon dioxide storage box 24, so that when the first smoke sensor 31 arranged at the lower end of the transfer box 30 detects the smoke inside the box-type substation 2, the controller 26 controls the electric valve 25 to open, so that when the electric valve 25 is opened, the transfer box 30 and the second air outlet pipe 28 connected to the first air outlet pipe 27 quickly spray carbon dioxide to various positions in the box-type substation 2 through the nozzle 29, so that the interior of the box-type substation 2 is fully covered with carbon dioxide, the air in the box-type substation 2 is removed, and the box-type substation 2 is reduced. The oxygen concentration in the internal space of the power station 2 is such that the purpose of fireproofing and sealing the interior of the box-type substation 2 is achieved. At the same time, the axial flow cooling fan 23 provided by the ventilation and heat dissipation mechanism 16 is driven to ventilate and dissipate the interior of the box-type substation 2, so that the internal temperature of the box-type substation 2 is within the normal working range of the substation equipment. At the same time, the single door 3 and the double door 5 at the front end of the box-type substation 2 are hinged by hinges 42, and the single door 3 and the double door 5 are sealed by the first sealing groove 17 and the second sealing groove 18 provided on the box-type substation 2. When it is necessary to install or maintain the substation equipment inside the box-type substation 2, the electric push rod 45 is wirelessly controlled by the wireless transceiver 47 to open or close the single door 3 and the double door 5, so that personnel can replace or repair the substation equipment inside the box-type substation 2. Example

[0024] like Figure 1-8 As shown, the present embodiment discloses a fireproof blocking device for a substation, including a box-type substation 2, a single-door 3, an observation window 4 and a double-door 5 are arranged on the front surface of the box-type substation 2, the single-door 3 is provided with a switch room 12 and a carbon dioxide storage box 24 attached to the inner wall of the side of the box-type substation 2 inside the box-type substation 2, the double-door 5 is provided with a transformer room 14 and a ventilation and heat dissipation mechanism 16 attached to the inner wall of the side of the box-type substation 2 inside the box-type substation 2, a fireproof blocking plate 13 is arranged between the switch room 12 and the transformer room 14, and the fireproof blocking plate 13 is also provided with a temperature and humidity sensor 20 on the upper and lower sides corresponding to the switch room 12 and the transformer room 14, and the temperature and humidity sensor 20 is connected to the observation window 4, and the box-type substation 2 also includes a fire wall 34, the fire wall 34 is a cast wall of the substation formed by directly casting fireproof plaster, and fireproof coating plates 33 are also arranged on the front and back sides of the fire wall 34, and the surface of the fireproof coating plate 33 is provided with a fireproof coating; Specifically, a bracket 7 is fixedly installed at the bottom of the box-type substation 2, and a base 1 is provided at the lower end of the bracket 7; Specifically, the bottom of the switch room 12 and the transformer room 14 inside the box-type substation 2 are arranged with fixing plates 15, the switch room 12 is bolted with high-voltage equipment, low-voltage equipment and control equipment through the fixing plates 15, and the transformer is bolted with the fixing plates 15 in the transformer room 14. The carbon dioxide storage box 24 on the inner wall of the switch room 12 is provided with an air inlet 32 ​​for adding liquid carbon dioxide and an electric valve 25 for discharging carbon dioxide; Specifically, a controller 26 is provided on one side of the electric valve 25, and the controller 26 is connected to a main control board 36. The main control board 36 includes a pressure gauge 35 provided at the upper end of the carbon dioxide storage box 24, a meter 37 provided at the lower end of the pressure gauge 35, a second smoke sensor 38 provided inside the main control board 36, and a temperature sensor 39 provided at the lower end of the main control board 36 and in contact with the carbon dioxide storage box 24. The main control board 36 is also connected to an observation window 4, and the observation window 4 includes a glass provided on the outer side and a display screen 10 and a prompt light 11 provided on the inner side of the observation window 4. The upper end of the electric valve 25 is also connected to a first air outlet pipe 27, and the other end of the first air outlet pipe 27 is connected to a transfer box 30. The transfer box 30 includes a first smoke sensor 31 provided at the lower end and second air outlet pipes 28 provided on both sides. The lower end of the second air outlet pipe 28 is provided with a plurality of nozzles 29 corresponding to the top of the switch room 12 and the transformer room 14; Specifically, a fireproof blocking hole 19 is provided in the middle of the fireproof blocking plate 13, a fireproof sealant 21 is provided in the middle of the inner side of the fireproof blocking hole 19, a cable through-hole is provided in the fireproof blocking hole 19, and the cable passes through the fireproof blocking hole 19 through the cable through-hole, and the gap between the fireproof blocking hole 19 and the cable is tightly fitted with the fireproof sealant 21, and the fireproof sealant 21 is a fireproof expansion material; Specifically, the ventilation and heat dissipation mechanism 16 includes a ventilation and heat dissipation plate 22 arranged on the inner wall side of the box-type substation 2, an axial flow cooling fan 23 arranged in the middle of the ventilation and heat dissipation mechanism 16, and a heat dissipation shutter 6 arranged on the outside of the ventilation and heat dissipation mechanism 16. The axial flow cooling fan 23 is connected to the observation window 4, and the axial flow cooling fan 23 includes a cooling motor 40 and a cooling fan blade 41.

[0025] Specifically, the single-opening door 3 and the double-opening door 5 are both provided with a first sealing groove 17 and a hinge 42 hinged with the box-type substation 2. The first sealing groove 17 is symmetrically provided with a second sealing groove 18 on the box-type substation 2. The single-opening door 3 and the double-opening door 5 have the same structure. The outer side of the single-opening door 3 is provided with a filter screen 8 for ventilation and a handle 9 for opening and closing the door. The inner side of the single-opening door 3 is symmetrically provided with a control panel 43. The control panel 43 is connected with an electric push rod 45 and a wireless transceiver 47. The electric push rod 45 and the wireless transceiver 47 are both provided inside the single-opening door 3. The electric push rod 45 includes a mounting seat 44 provided at the lower end and a sealing block 46 provided at the upper end. The sealing block 46 is provided in the first sealing groove 17. The first sealing groove 17 is sealed with the sealing block 46 and the second sealing groove 18 by the lifting and lowering of the electric push rod 45.

[0026] Working principle: when a fire occurs outside the box-type substation 2, it first passes through the fire wall 34 provided on the base 1. The fire wall 34 is a cast wall of the substation formed by directly pouring fireproof mortar. Fireproof coating plates 33 are also provided on both sides of the fire wall 34. The surface of the fireproof coating plate 33 is provided with fireproof paint, so that the purpose of fireproofing the outside of the box-type substation 2 can be achieved, so that the fire can be prevented from damaging the substation equipment inside the box-type substation 2. At the same time, the heat dissipation shutters 6 provided on one side of the box-type substation 2 are used to make the smoke generated by the fire flow into the interior of the box-type substation 2 through the ventilation and heat dissipation mechanism 16, so that the first smoke sensor 31 inside the box-type substation 2 detects the smoke, and the carbon dioxide storage box 24 inside the box-type substation 2 is started, so that the carbon dioxide storage box 2 The electric valve 25 is opened. When the electric valve 25 is opened, the carbon dioxide storage box 24 quickly sprays carbon dioxide to various positions in the box-type substation 2 through the nozzle 29 through the transfer box 30 connected to the first outlet pipe 27 and the second outlet pipe 28, so that the interior of the box-type substation 2 is fully covered with carbon dioxide, and the air in the box-type substation 2 is removed to reduce the oxygen concentration in the interior of the box-type substation 2, so as to achieve the purpose of fireproofing and blocking the interior of the box-type substation 2. At the same time, if the switch room 12 and the transformer room 14 in the box-type substation 2 cause a fire in the box-type substation 2 due to aging of equipment or cables, the fire in the box-type substation 2 can also be extinguished when the first smoke sensor 31 detects smoke, so that it has good heat insulation and fire resistance, and achieves a stronger fireproofing and blocking capability.

[0027] The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the present invention, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A fireproof blocking device for a substation, characterized in that: include: A box-type substation (2), wherein the front surface of the box-type substation (2) is provided with a single door (3), an observation window (4) and a double door (5); the single door (3) is provided with a switch room (12) and a carbon dioxide storage box (24) attached to the inner side wall of the box-type substation (2) inside the box-type substation (2); the double door (5) is provided with a transformer room (14) and a ventilation and heat dissipation mechanism (16) attached to the inner side wall of the box-type substation (2) inside the box-type substation (2); a fireproof sealing plate (13) is provided between the switch room (12) and the transformer room (14); temperature and humidity sensors (20) are further provided on the upper and lower sides of the fireproof sealing plate (13) corresponding to the switch room (12) and the transformer room (14); the temperature and humidity sensor (20) is connected to the observation window (4); The box-type substation (2) further comprises a fire wall (34), wherein the fire wall (34) is a cast wall of the substation formed by directly casting fireproof mortar, and fireproof coating plates (33) are provided on both sides of the fire wall (34), and the surface of the fireproof coating plate (33) is provided with a fireproof coating.

2. According to claim 1, a fireproof blocking device for a substation is characterized in that: A bracket (7) is fixedly installed at the bottom of the box-type transformer substation (2), and a base (1) is provided at the lower end of the bracket (7).

3. According to claim 1, a fireproof blocking device for a substation is characterized in that: The bottom of the switch room (12) and the transformer room (14) inside the box-type substation (2) are both arranged with fixing plates (15), and the switch room (12) is bolted with high-voltage equipment, low-voltage equipment and control equipment through the fixing plates (15), and the transformer room (14) is bolted with the fixing plates (15).

4. A fireproof blocking device for a substation according to claim 3, characterized in that: An air inlet (32) for adding liquid carbon dioxide and an electric valve (25) for discharging carbon dioxide are provided on the carbon dioxide storage box (24) on the inner wall of the switch room (12).

5. A fireproof blocking device for a substation according to claim 4, characterized in that: A controller (26) is provided on one side of the electric valve (25), and the controller (26) is connected to a main control board (36). The main control board (36) comprises a pressure gauge (35) arranged at the upper end of the interior of the carbon dioxide storage box (24), a meter (37) arranged at the lower end of the pressure gauge (35), a second smoke sensor (38) arranged inside the main control board (36), and a temperature sensor (39) arranged at the lower end of the main control board (36) and in contact with the carbon dioxide storage box (24). The main control board (36) is also connected to the observation window (4), and the observation window (4) comprises a glass arranged on the outer side and sealed, and a display screen (10) and a warning light (11) arranged on the inner side of the observation window (4).

6. A fireproof blocking device for a substation according to claim 4, characterized in that: The upper end of the electric valve (25) is also connected to a first air outlet pipe (27), the other end of the first air outlet pipe (27) is connected to a transfer box (30), the transfer box (30) comprises a first smoke sensor (31) arranged at the lower end and second air outlet pipes (28) arranged on both sides, and the lower end of the second air outlet pipe (28) is provided with a plurality of nozzles (29) corresponding to the top of the switch room (12) and the transformer room (14).

7. The fireproof blocking device for a substation according to claim 1, characterized in that: A fireproof sealing hole (19) is arranged in the middle of the fireproof sealing plate (13), a fireproof sealant (21) is arranged in the middle of the inner side of the fireproof sealing hole (19), a cable through-hole is arranged in the fireproof sealing hole (19), the cable passes through the fireproof sealing hole (19) through the cable through-hole, and the gap between the fireproof sealing hole (19) and the cable is tightly fitted with the fireproof sealant (21), and the fireproof sealant (21) is a fireproof expansion type material.

8. The fireproof blocking device for a substation according to claim 1, characterized in that: The ventilation and heat dissipation mechanism (16) comprises a ventilation and heat dissipation plate (22) arranged on the inner wall side of the box-type substation (2), an axial flow heat dissipation fan (23) arranged in the middle of the ventilation and heat dissipation mechanism (16), and a heat dissipation louver (6) arranged on the outside of the ventilation and heat dissipation mechanism (16), the axial flow heat dissipation fan (23) being connected to the observation window (4), and the axial flow heat dissipation fan (23) comprising a heat dissipation motor (40) and heat dissipation blades (41).

9. The fireproof blocking device for a substation according to claim 1, characterized in that: The single-opening door (3) and the double-opening door (5) are both provided with a first sealing groove (17) and a hinge (42) hinged with the box-type substation (2); the first sealing groove (17) is symmetrically provided with a second sealing groove (18) on the box-type substation (2); the single-opening door (3) and the double-opening door (5) have the same structure; a filter screen (8) for ventilation and a handle (9) for opening and closing the door are provided on the outside of the single-opening door (3); a control panel (43) is provided inside the single-opening door (3) symmetrically with the filter screen (8); the control panel (43) is connected to an electric push rod (45) and a wireless transceiver (47).

10. A fireproof blocking device for a substation according to claim 9, characterized in that: The electric push rod (45) and the wireless transceiver (47) are both arranged inside the single-opening door (3). The electric push rod (45) comprises a mounting seat (44) arranged at the lower end and a sealing block (46) arranged at the upper end. The sealing block (46) is arranged in the first sealing groove (17). The first sealing groove (17) is sealed by the electric push rod (45) when it is lifted and lowered, thereby driving the sealing block (46) and the second sealing groove (18).

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