CN211788468U - Fireproof safety transformer - Google Patents
Fireproof safety transformer Download PDFInfo
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- CN211788468U CN211788468U CN202020792144.6U CN202020792144U CN211788468U CN 211788468 U CN211788468 U CN 211788468U CN 202020792144 U CN202020792144 U CN 202020792144U CN 211788468 U CN211788468 U CN 211788468U
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Abstract
The utility model discloses a fireproof safety transformer, which relates to a transformer and aims to solve the problems that the transformer has poor sensitivity to fire, longer fire extinguishing time and poor fire extinguishing effect in the prior art, and the technical scheme of the transformer comprises a protective cover arranged outside the transformer, a fire extinguishing box arranged outside the protective cover, a fire extinguishing pipe arranged on the fire extinguishing box and a starting and closing piece arranged in the fire extinguishing pipe; a spraying piece is arranged in the protective cover, the fire extinguishing pipe is connected with the spraying piece, and the spraying piece is positioned in the protective cover; when the transformer is in fire, the temperature in the protective cover rises, the starting and closing piece senses the temperature rise, the fire extinguishing pipe is automatically opened, the fire extinguishing agent in the fire extinguishing box sprays the fire extinguishing agent to the transformer through the spraying piece to complete fire extinguishing of the transformer, and the starting and closing piece closes the fire extinguishing pipe after the temperature is reduced, so that the possibility of continuous spraying of the fire extinguishing agent is reduced; therefore, the sensitivity of the transformer to fire is improved, the time consumed by fire extinguishment is shortened, and the fire extinguishment efficiency is improved.
Description
Technical Field
The utility model relates to a transformer, more specifically say, it relates to a fire prevention type safety transformer.
Background
The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, electric energy is converted into a form of high voltage and low current through the transformer and then converted back, and the loss of the electric energy in the transmission process is greatly reduced through the process, so that the economic transmission distance of the electric energy is further.
Chinese patent with publication number CN109360710A discloses a fire-proof transformer, when the transformer body is fired and burned, the transformer body can generate high temperature, the temperature is transmitted to the fusing rod through the base and the stand column, the fusing rod will melt due to low melting point, the fire-extinguishing cover will drop from the stand column at this moment to cover the transformer body, and the magnetic absorption ring will tightly absorb the base made of stainless steel, so that the fire-extinguishing cover will isolate the fired transformer body from the outside air.
However, after the transformer body continuously absorbs heat, the heat is transferred into the fusing rod, after the heat is continuously accumulated in the fusing rod, the temperature of the fusing rod rises, the fusing rod begins to melt after the temperature reaches a melting point, the fire extinguishing cover can fall off, and when the fire extinguishing cover falls off, the transformer body is burnt out; the sensitivity of the transformer to fire is poor, the time consumed for fire extinguishing is long, and the fire extinguishing effect is poor.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a fire prevention type safety transformer, it has the sensitivity to the conflagration higher, and it costs time shorter to put out a fire, the better advantage of fire control effect.
The above object of the present invention can be achieved by the following technical solutions:
a fireproof safety transformer comprises a protective cover arranged on the outer side of the transformer, a fire extinguishing box arranged on the outer side of the protective cover and filled with a fire extinguishing agent, a fire extinguishing pipe arranged on the fire extinguishing box, and a starting and closing piece arranged in the fire extinguishing pipe and used for automatically starting and closing the fire extinguishing pipe according to the temperature;
the fire extinguishing pipe is connected with the spraying piece, and the spraying piece is located in the protective cover.
By adopting the technical scheme, when the transformer is in fire, the temperature in the protective cover rises, the fire extinguishing pipe is automatically opened after the starting and closing piece senses the temperature rise, the fire extinguishing agent in the fire extinguishing box enters the fire extinguishing pipe, the fire extinguishing agent is sprayed to the transformer through the spraying piece to complete the fire extinguishing of the transformer, and the fire extinguishing pipe is closed by the starting and closing piece after the temperature is reduced, so that the possibility of continuously spraying the fire extinguishing agent is reduced; therefore, the sensitivity of the transformer to fire is improved, the time consumed by fire extinguishment is shortened, and the fire extinguishment efficiency is improved.
Furthermore, the opening and closing piece comprises a sealing plate which is arranged in the fire extinguishing pipe in a sliding manner, a reset spring is arranged on the side surface of the sealing plate, one end of the reset spring, which is far away from the sealing plate, is connected with the inner side wall of the fire extinguishing pipe, and the side surface of the sealing plate is abutted against the inner side wall of the fire extinguishing pipe;
one side of the sealing plate penetrates through the fire extinguishing pipe, one side of the sealing plate, which penetrates through the fire extinguishing pipe, is provided with a connecting plate, the outer side wall of the fire extinguishing pipe is provided with an expansion ball, and the outer side wall of the expansion ball is abutted to one side, close to the fire extinguishing pipe, of the connecting plate.
By adopting the technical scheme, when a fire disaster occurs, the expansion ball is heated and expanded, the volume is increased, the connecting plate is pushed to move, the connecting plate drives the sealing plate to move, and the sealing plate extrudes the reset spring, so that the fire extinguishing pipe is opened, and the fire extinguishing agent smoothly enters; when the temperature is reduced, the expansion ball is reduced, the volume is recovered, the return spring is recovered to deform, the sealing plate is driven to move, and the fire extinguishing pipe is smoothly sealed.
Furthermore, a clamping plate is arranged on the side face of the sealing plate, the side face of the clamping plate is abutted to the inner side wall of the fire extinguishing pipe, and the thickness of the clamping plate is larger than that of the sealing plate.
By adopting the technical scheme, the clamping plate increases the contact area between the sealing plate and the fire extinguishing pipe, and improves the sealing property between the sealing plate and the fire extinguishing pipe; when the shrouding was removed, the moving range of cardboard restriction shrouding is favorable to reducing the cardboard when sliding in the fire extinguishing pipe, with the possibility that the fire extinguishing pipe breaks away from.
Furthermore, a clamping groove for inserting the clamping plate is formed in the inner side wall of the fire extinguishing pipe.
Through adopting above-mentioned technical scheme, in the cardboard inserted the draw-in groove, increase the area of contact of cardboard and draw-in groove, improve the leakproofness between cardboard and the fire extinguishing pipe.
Furthermore, a heat-conducting plate is arranged on the outer side wall of the fire extinguishing pipe, and the side face of the heat-conducting plate is in contact with the expansion ball.
Through adopting above-mentioned technical scheme, the heat-conducting plate has better heat conductivity, when the conflagration breaing out, is favorable to the heat to transmit in the inflation ball smoothly, and after the temperature reduction, also be favorable to the heat in the inflation ball to transmit away smoothly to reduce the temperature of colliding the ball fast.
Furthermore, the spraying piece comprises a spraying pipe arranged on the inner side of the protective cover, the spraying pipe is communicated with the fire extinguishing pipe, a spray head is arranged on the side face of the spraying pipe, and a water outlet of the spray head is arranged towards one side of the transformer.
Through adopting above-mentioned technical scheme, fire extinguishing agent gets into in the spray pipe through the fire extinguishing pipe during putting out a fire, and rethread shower nozzle blowout to extinguish the conflagration of transformer smoothly.
Further, be equipped with the control by temperature change sensor on the inside wall of protection casing, be equipped with the air exhauster that is linked together with the control by temperature change sensor on the side of protection casing, the air outlet of air exhauster sets up towards the outside of protection casing.
Through adopting above-mentioned technical scheme, the back catches fire in the protection casing, and the temperature control sensor detects the temperature and risees, starts the air extraction in the air exhauster with the protection casing to reduce the air content in the protection casing, be favorable to shortening the time of the cost of putting out a fire.
Furthermore, a return pipe is arranged on the side face of the protective cover, and a flow guide inclined plane is arranged on the inner bottom wall of the protective cover and faces one side of the return pipe.
Through adopting above-mentioned technical scheme, accomplish the back of putting out a fire, the fire extinguishing agent flows in the water conservancy diversion pipe through the water conservancy diversion inclined plane to leave the protection casing smoothly, reduce the possibility that the fire extinguishing agent gathers in the protection casing.
Furthermore, a sun shield is arranged on the outer side wall of the fire extinguishing box.
Through adopting above-mentioned technical scheme, the sunshading board blocks sunshine, reduces the possibility that sunshine shines on the case of putting out a fire, reduces the possibility that the inside temperature of case of putting out a fire risees.
To sum up, the utility model discloses following beneficial effect has:
1. when the transformer is in fire, the temperature in the protective cover rises, the opening and closing piece automatically opens the fire extinguishing pipe, the fire extinguishing agent in the fire extinguishing box enters the spraying piece through the fire extinguishing pipe, the transformer is smoothly sprayed, the fire is extinguished, and after the temperature is reduced, the opening and closing piece automatically closes the fire extinguishing pipe, so that the possibility that the fire extinguishing agent is accumulated in the protective cover is reduced; therefore, the sensitivity of the transformer to fire disasters is improved, the time spent on fire extinguishment is shortened, and the fire extinguishment efficiency is improved;
2. the clamping plate is inserted into the clamping groove, so that the contact area between the clamping plate and the fire extinguishing pipe is increased, and the sealing property between the clamping plate and the clamping groove is improved;
3. the heat-conducting plate has good heat conductivity, is favorable to the heat smooth transfer in the protection casing to the inflation ball, and after the conflagration extinguishes, the heat transmission in the inflation ball is worn out through the heat-conducting plate, accomplishes the cooling rapidly.
Drawings
Fig. 1 is a schematic structural diagram of the embodiment.
Fig. 2 is a sectional view taken along line a-a in fig. 1.
Fig. 3 is an enlarged view of a portion B in fig. 2.
In the figure: 1. a protective cover; 11. a fire extinguishing box; 111. a sun visor; 12. fire extinguishing pipes; 121. a card slot; 13. an exhaust fan; 14. a temperature control sensor; 2. an opening and closing member; 21. closing the plate; 22. a connecting plate; 23. an expansion ball; 231. a heat conducting plate; 24. clamping a plate; 25. a return spring; 3. a spraying member; 31. a spray tube; 32. a spray head; 33. a diversion bevel; 34. a return pipe; 35. a return tank; 4. a transformer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
referring to fig. 1 and 2, a fireproof safety transformer comprises a protective cover 1, a fire extinguishing box 11 filled with a fire extinguishing agent of a water system type s-3-ab, a fire extinguishing pipe 12 and a sun shield 111, wherein the protective cover 1 is sleeved outside a transformer 4, the fire extinguishing box 11 is arranged on the top wall of the protective cover 1, one end of the fire extinguishing pipe 12 is communicated with the fire extinguishing box 11, the other end of the fire extinguishing pipe extends into the protective cover 1, the sun shield 111 is arranged to cover the fire extinguishing box 11, the sun shield 111 is fixedly connected to the top wall of the protective cover 1, the sun shield 111 reduces the possibility that the fire extinguishing box 11 is irradiated by sunlight, and reduces the possibility that the temperature of the fire extinguishing.
Referring to fig. 2, an opening and closing member 2 for automatically opening and closing the fire extinguishing pipe 12 according to a temperature height is provided in the fire extinguishing pipe 12, the opening and closing member 2 is provided in the protection cover 1, a spraying member 3 for spraying a fire extinguishing agent to the transformer 4 is provided in the protection cover 1, the spraying member 3 is connected to the fire extinguishing pipe 12, and the spraying member 3 is provided above the transformer 4.
Referring to fig. 2, an exhaust fan 13 and a temperature control sensor 14 connected with the exhaust fan 13 are respectively arranged on the side surface of the protective cover 1, the temperature control sensor 14 is of a type DS18B20, the temperature control sensor 14 is located in the protective cover 1, and an air outlet of the exhaust fan 13 is arranged towards the outside of the protective cover 1; when transformer 4 conflagration breaks out, temperature control sensor 14 detects behind the temperature rise in the protection casing 1, starts air exhauster 13, takes out the air in the protection casing 1 outside protection casing 1 to reduce the content of the air in protection casing 1, improve the efficiency of putting out a fire.
Referring to fig. 2, at the same time, the opening and closing member 2 opens the fire extinguishing pipe 12 as the temperature rises, the fire extinguishing agent enters the protective cover 1 through the fire extinguishing pipe 12 and is sprayed to the transformer 4 through the spraying member 3 to extinguish the fire, and the closing member automatically closes the fire extinguishing pipe 12 after the temperature in the protective cover 1 is reduced, so that the possibility of continuous spraying of the fire extinguishing agent is reduced; thereby improving the sensitivity of the transformer 4 to fire, shortening the time taken for fire extinguishing and improving the efficiency of fire extinguishing.
Referring to fig. 2, the spraying member 3 includes two spraying pipes 31 disposed in the protection cover 1, the spraying pipes 31 are communicated with the fire extinguishing pipe 12, the two spraying pipes 31 are disposed oppositely, the two spraying pipes 31 are respectively disposed at two sides of the fire extinguishing pipe 12, a nozzle 32 is disposed on a side surface of each spraying pipe 31, and a water outlet of the nozzle 32 is disposed toward one side of the transformer 4.
Referring to fig. 2, a flow guiding inclined plane 33 is arranged on the bottom wall of the shield 1, a return pipe 34 is arranged on the side surface of the shield 1, the end wall of the return pipe 34 penetrates through the shield 1, a return tank 35 is arranged at one end of the return pipe 34 penetrating through the shield 1, and the flow guiding inclined plane 33 is arranged towards the return pipe 34; when a fire breaks out, the fire extinguishing agent enters the spraying pipe 31 through the fire extinguishing pipe 12 and is sprayed to the transformer 4 through the spray head 32, so that the fire is smoothly extinguished, the fire extinguishing agent falls on the flow guide inclined plane 33, enters the return pipe 34 through the flow guide inclined plane 33 and flows into the return tank 35 through the return pipe 34, and the possibility that the fire extinguishing agent is accumulated in the protective cover 1 is reduced.
Referring to fig. 3, the opening and closing member 2 includes a sealing plate 21, the sealing plate 21 is slidably connected in the fire extinguishing pipe 12, one side of the sealing plate 21 extends out of the fire extinguishing pipe 12, the sealing plate 21 is arranged along the radial direction of the fire extinguishing pipe 12, one side of the sealing plate 21 extending out of the fire extinguishing pipe 12 is provided with a connecting plate 22, the connecting plate 22 and the sealing plate 21 are integrally manufactured, the connecting plate 22 is arranged along the axial direction of the fire extinguishing pipe 12, the connecting plate 22 extends towards one side close to the transformer 4, an expansion ball 23 is arranged on the outer side wall of the fire extinguishing pipe 12, and the side face of the expansion ball.
Referring to fig. 3, a heat conducting plate 231 is disposed on an outer side wall of the fire extinguishing pipe 12, the heat conducting plate 231 is made of aluminum, and the heat conducting plate 231 is in contact with the expansion ball 23; aluminum has good thermal conductivity, is beneficial to quickly raising the temperature of the expansion ball 23, and is also beneficial to quickly transferring heat in the expansion ball 23 after a fire is extinguished.
Referring to fig. 3, a clamping plate 24 is arranged on the sealing plate 21 in the fire extinguishing pipe 12, the thickness of the clamping plate 24 is greater than that of the sealing plate 21, the clamping plate 24 is arranged on one side of the sealing plate 21 far away from the connecting plate 22, a return spring 25 is arranged on one side of the clamping plate 24 close to the sealing plate 21, and one end of the return spring 25 far away from the clamping plate 24 is fixedly connected with the inner side wall of the fire extinguishing pipe 12; a clamping groove 121 is formed in the inner side wall of the fire extinguishing pipe 12, and the clamping plate 24 is inserted into the clamping groove 121; after a fire disaster occurs, the temperature in the protective cover 1 rises, heat is transferred to the heat conducting plate 231, the heat conducting plate 231 transfers the heat to the expansion ball 23 again, the temperature of the expansion ball 23 rises, the size of the expansion ball increases, the connecting plate 22 is pushed to move, the connecting plate 22 drives the sealing plate 21 to move, the sealing plate 21 drives the clamping plate 24 to leave the clamping groove 121 and extrude the reset spring 25, and therefore the fire extinguishing pipe 12 is smoothly opened.
Referring to fig. 3, after the fire is extinguished, the heat in the expansion ball 23 is rapidly dissipated through the heat-conducting plate 231, so that the temperature is reduced, the volume is reduced, the return spring 25 is restored to be deformed to push the snap plate 24, the snap plate 24 drives the closing plate 21 to move, and the snap plate 24 is inserted into the clamping groove 121, thereby smoothly sealing the fire extinguishing pipe 12.
The implementation principle of the above embodiment is as follows: when the transformer 4 is in fire, the temperature in the protective cover 1 rises, the opening and closing piece 2 opens the fire extinguishing pipe 12 along with the rise of the temperature, the fire extinguishing agent in the fire extinguishing box 11 smoothly enters the fire extinguishing pipe 12 and is sprayed to the transformer 4 through the spraying piece 3, so that fire extinguishing is finished, and after the temperature is reduced, the opening and closing piece 2 closes the fire extinguishing pipe 12, so that the possibility that the fire extinguishing agent is continuously sprayed into the protective cover 1 is reduced; therefore, the sensitivity of the transformer 4 to fire is improved, the time for fire extinguishment is shortened, and the fire extinguishment efficiency is improved.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a fire prevention type safety transformer which characterized in that: the fire extinguishing device comprises a protective cover (1) arranged on the outer side of a transformer (4), a fire extinguishing box (11) which is arranged on the outer side of the protective cover (1) and is filled with a fire extinguishing agent, a fire extinguishing pipe (12) arranged on the fire extinguishing box (11), and a switch (2) which is arranged in the fire extinguishing pipe (12) and can automatically switch on and off the fire extinguishing pipe (12) according to the temperature;
the fire extinguishing device is characterized in that a spraying piece (3) used for spraying fire extinguishing agents to the transformer (4) is arranged in the protective cover (1), the fire extinguishing pipe (12) is connected with the spraying piece (3), and the spraying piece (3) is located in the protective cover (1).
2. The flameproof safety transformer according to claim 1, characterized in that: the opening and closing piece (2) comprises a sealing plate (21) which is arranged in the fire extinguishing pipe (12) in a sliding manner, a return spring (25) is arranged on the side surface of the sealing plate (21), one end, far away from the sealing plate (21), of the return spring (25) is connected with the inner side wall of the fire extinguishing pipe (12), and the side surface of the sealing plate (21) is abutted against the inner side wall of the fire extinguishing pipe (12);
one side of the sealing plate (21) penetrates through the fire extinguishing pipe (12), one side of the sealing plate (21) penetrating through the fire extinguishing pipe (12) is provided with a connecting plate (22), the outer side wall of the fire extinguishing pipe (12) is provided with an expansion ball (23), and the outer side wall of the expansion ball (23) is abutted to one side, close to the fire extinguishing pipe (12), of the connecting plate (22).
3. The flameproof safety transformer according to claim 2, characterized in that: the fire extinguishing tube is characterized in that clamping plates (24) are arranged on the side faces of the sealing plate (21), the side faces of the clamping plates (24) are abutted to the inner side walls of the fire extinguishing tube (12), and the thickness of each clamping plate (24) is larger than that of the sealing plate (21).
4. The flameproof safety transformer according to claim 2, characterized in that: and a clamping groove (121) for inserting the clamping plate (24) is formed in the inner side wall of the fire extinguishing pipe (12).
5. The flameproof safety transformer according to claim 2, characterized in that: the outer side wall of the fire extinguishing pipe (12) is provided with a heat conducting plate (231), and the side surface of the heat conducting plate (231) is in contact with the expansion ball (23).
6. The flameproof safety transformer according to claim 1, characterized in that: the spraying piece (3) comprises a spraying pipe (31) arranged on the inner side of the protective cover (1), the spraying pipe (31) is communicated with the fire extinguishing pipe (12), a spray head (32) is arranged on the side face of the spraying pipe (31), and a water outlet of the spray head (32) is arranged towards one side of the transformer (4).
7. The flameproof safety transformer according to claim 6, characterized in that: be equipped with temperature control sensor (14) on the inside wall of protection casing (1), be equipped with air exhauster (13) that are linked together with temperature control sensor (14) on the side of protection casing (1), the air outlet of air exhauster (13) sets up towards the outside of protection casing (1).
8. The flameproof safety transformer according to claim 6, characterized in that: be equipped with back flow pipe (34) on protection casing (1) side, on the interior diapire of protection casing (1) and towards back flow pipe (34) one side be equipped with water conservancy diversion inclined plane (33).
9. The flameproof safety transformer according to claim 1, characterized in that: the outer side wall of the fire extinguishing box (11) is provided with a sun shield (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020792144.6U CN211788468U (en) | 2020-05-13 | 2020-05-13 | Fireproof safety transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020792144.6U CN211788468U (en) | 2020-05-13 | 2020-05-13 | Fireproof safety transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211788468U true CN211788468U (en) | 2020-10-27 |
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ID=72957659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020792144.6U Active CN211788468U (en) | 2020-05-13 | 2020-05-13 | Fireproof safety transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211788468U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113903559A (en) * | 2021-09-30 | 2022-01-07 | 沈特集团有限公司 | Oil-immersed transformer with fire extinguishing function |
-
2020
- 2020-05-13 CN CN202020792144.6U patent/CN211788468U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113903559A (en) * | 2021-09-30 | 2022-01-07 | 沈特集团有限公司 | Oil-immersed transformer with fire extinguishing function |
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