CN212016507U - Gas fire extinguishing device - Google Patents
Gas fire extinguishing device Download PDFInfo
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- CN212016507U CN212016507U CN202020350168.6U CN202020350168U CN212016507U CN 212016507 U CN212016507 U CN 212016507U CN 202020350168 U CN202020350168 U CN 202020350168U CN 212016507 U CN212016507 U CN 212016507U
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- supporting plate
- fire extinguishing
- cabinet body
- positioning
- agent storage
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Abstract
The utility model discloses a gas fire extinguishing device, which comprises a cabinet body, an exploration hole and a cabinet door; the inner walls of the two sides of the cabinet body are provided with sliding chutes; a first supporting plate is arranged at the lower part of the cabinet body, sliding rails are arranged on two sides of the first supporting plate, and a plurality of supporting columns and universal wheels are arranged at the bottom of the first supporting plate; a second supporting plate is arranged at the upper part of the first supporting plate; the top wall of the first supporting plate is provided with a hydraulic cylinder, a supporting telescopic rod and a damping spring; the top wall of the second supporting plate is provided with a rotating groove, the upper portion of the second supporting plate is provided with a rotary table, a rotating convex groove is formed in the bottom wall of the rotary table, and a plurality of balls which are uniformly distributed are arranged in the rotating convex groove. The gas fire extinguishing device of the utility model can conveniently take out the fire extinguishing agent storage tank and install and replace the fire extinguishing agent storage tank; and the fire extinguishing agent storage tank can be conveniently rotated, so that labor is saved, and the cabinet body is not abraded.
Description
Technical Field
The utility model relates to a fire-fighting equipment technical field especially relates to a gaseous extinguishing device.
Background
The gas fire extinguishing device is a common fire extinguishing device, adopts heptafluoropropane gas as a fire extinguishing agent, and the heptafluoropropane is a clean gas fire extinguishing agent which mainly uses chemical fire extinguishing and has a physical fire extinguishing effect, has no odor, low toxicity, no electric conduction, no pollution to fire extinguishing objects, no damage to electronic equipment and wider application field. The prior art gas fire extinguishing device has certain defects in the using process:
(1) the fire extinguishing agent storage tank needs to be taken out of the cabinet body for replacement after fire extinguishing, and in addition, the fire extinguishing agent storage tank also needs to be taken out of the cabinet body during maintenance. Because the space of the internal portion of cabinet is comparatively narrow and small usually, and the weight of fire extinguishing agent storage tank is great for the staff leads to the work to be difficult for going on because of operating space is limited when will changing the fire extinguishing agent storage tank and take out, and work efficiency is lower.
(2) After the fire extinguishing agent storage tank is placed in the cabinet body, the fire extinguishing agent storage tank generally needs to be rotated to adjust the angle of the spray head, the weight of the fire extinguishing agent storage tank is large, the rotation is laborious, and in the rotating process, the bottom of the fire extinguishing agent storage tank easily causes abrasion to the cabinet body.
SUMMERY OF THE UTILITY MODEL
In order to make up the defects of the prior art, the utility model provides a gas fire extinguishing device, which can conveniently take out a fire extinguishing agent storage tank by mounting universal wheels at the lower part of a first supporting plate, and can mount and replace the fire extinguishing agent storage tank at the outer part of a cabinet body; through setting up the carousel, can conveniently rotate the fire extinguishing agent storage tank, it is comparatively laborsaving, and can not cause wearing and tearing to the cabinet body to solve the problem that exists among the prior art.
The utility model discloses a realize through following technical scheme:
a gas fire extinguishing device comprises a cabinet body, wherein the cabinet body is cuboid, and a probing hole is formed in the top wall of the cabinet body; a cabinet door is arranged at the front part of the cabinet body; the lower part of the cabinet body is provided with a mounting opening; a plurality of support rods are arranged on the bottom wall of the cabinet body; the inner walls of the two sides of the cabinet body are provided with sliding chutes;
a first supporting plate is arranged at the upper part of the mounting opening, and the first supporting plate is cuboid; sliding rails are arranged on two sides of the first supporting plate, the shapes and the positions of the sliding rails correspond to those of the sliding grooves, and the sliding rails are movably arranged in the sliding grooves; the bottom of the first supporting plate is provided with a plurality of supporting columns which are distributed in a rectangular array; universal wheels are arranged at the lower parts of the supporting columns;
a second supporting plate is arranged at the upper part of the first supporting plate; a hydraulic cylinder is arranged at the center of the top wall of the first supporting plate, and the top of the hydraulic cylinder is fixedly connected with the bottom of the second supporting plate; supporting telescopic rods are arranged at four corner positions of the top wall of the first supporting plate, and the top of each supporting telescopic rod is fixedly connected with the bottom of the second supporting plate; damping springs are sleeved on the supporting telescopic rods;
a rotary groove is formed in the top wall of the second supporting plate, and the overlooking section of the rotary groove is in a circular ring shape; a rotary table is arranged at the upper part of the second supporting plate, a rotary convex groove is arranged on the bottom wall of the rotary table, the upward section of the rotary convex groove is circular, and a plurality of uniformly distributed balls are arranged in the rotary convex groove; the balls are all contacted with the rotating groove; and a fire extinguishing agent storage tank is arranged at the upper part of the rotary table, and a spray head is connected to the upper part of the fire extinguishing agent storage tank.
Further optimally, a plurality of positioning holes which are uniformly distributed along the circumferential direction are arranged on the side wall of the turntable; a positioning block is arranged on the top wall of the front part of the second supporting plate, an inserting hole is arranged on the positioning block, and the position of the inserting hole corresponds to the position of the positioning hole; and a positioning pin is movably arranged in the inserting hole, and the shape of the positioning pin corresponds to that of the positioning hole.
Further optimally, a plurality of rubber strips which are uniformly distributed along the circumferential direction are arranged on the inner wall of the inserting hole, and the side wall of the positioning pin is in contact with the rubber strips.
Preferably, damping telescopic rods are arranged on the inner walls of the two sides of the cabinet body, and the positions of the damping telescopic rods correspond to the positions of the fire extinguishing agent storage tanks; the inner side ends of the damping telescopic rods are respectively provided with a fixed block, the inner side walls of the fixed blocks are provided with two positioning clamping plates, and the two positioning clamping plates are symmetrically distributed in a splayed shape; all be equipped with the mounting groove on the inside wall of location cardboard equal movable mounting has the roller bearing that the horizontal direction set up in the mounting groove.
Further preferably, a handle is provided on a side wall of the front portion of the first support plate.
Preferably, circular arc-shaped positioning protrusions are arranged on both sides of the first supporting plate, the positioning protrusions are located on the upper portion of the sliding rail, and the positioning protrusions are made of rubber; arc-shaped positioning grooves are formed in the inner walls of the two sides of the cabinet body, and the shapes and the positions of the positioning grooves correspond to those of the positioning bulges.
Preferably, the cabinet door is provided with a plurality of hinges, and the cabinet door is movably mounted on the cabinet body through the hinges.
Further optimally, an observation window is arranged on the cabinet door.
The utility model has the advantages that:
(1) through the universal wheel of lower part installation at first backup pad, can conveniently take out the fire extinguishing agent storage tank from the cabinet internal to can install and change the fire extinguishing agent storage tank in the outside of the cabinet body, make the staff need not to operate in the narrow and small space of the internal portion of cabinet, work efficiency is higher.
(2) Through setting up the carousel, can conveniently rotate the fire extinguishing agent storage tank, the angle of adjustment shower nozzle, it is comparatively laborsaving, and at the rotation in-process of fire extinguishing agent storage tank, can not cause wearing and tearing to the cabinet body.
Drawings
Fig. 1 is a schematic diagram of the external structure of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the present invention.
Fig. 3 is a schematic structural diagram of the middle cabinet body of the present invention.
Fig. 4 is an enlarged schematic view of a portion a in fig. 3.
Fig. 5 is a schematic structural diagram of the first support plate and the second support plate of the present invention.
Fig. 6 is a schematic view of the upper structure of the second support plate of the present invention.
Fig. 7 is a schematic view of the lower structure of the middle rotary table of the present invention.
Fig. 8 is the schematic structural diagram of the positioning pin in the positioning state of the present invention.
Fig. 9 is a schematic structural view of the insertion hole of the present invention.
Fig. 10 is a schematic structural view of the middle fixing block and the positioning clip plate of the present invention.
In the figure, 1, a cabinet body; 11. an outlet hole is detected; 12. a cabinet door; 13. an installation port; 14. a support bar; 15. a chute; 16. a positioning groove; 17. a hinge; 18. an observation window;
2. a first support plate; 21. a slide rail; 22. a support pillar; 23. a universal wheel; 24. a hydraulic cylinder; 25. supporting the telescopic rod; 26. a damping spring; 27. a handle; 28. positioning the projection;
3. a second support plate; 31. rotating the groove; 32. positioning blocks; 33. inserting holes; 34. positioning pins; 35. a rubber strip;
4. a turntable; 41. rotating the convex groove; 42. a ball bearing; 43. a fire suppressant storage tank; 44. a spray head; 45. positioning holes;
5. damping telescopic rods; 51. a fixed block; 52. positioning a clamping plate; 53. mounting grooves; 54. and (4) rolling shafts.
Detailed Description
In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.
As shown in fig. 1-10, the present embodiment discloses a gas fire extinguishing apparatus, which includes a cabinet 1, the cabinet 1 is rectangular (as shown in fig. 3), and a detecting hole 11 is provided on the top wall of the cabinet 1; a cabinet door 12 is arranged at the front part of the cabinet body 1 and used for opening or closing the cabinet body 1. The lower part of the cabinet body 1 is provided with a mounting opening 13; the bottom wall of the cabinet body 1 is provided with a plurality of support rods 14 for keeping the cabinet body 1 and the ground at a certain horizontal height. The inner walls of the two sides of the cabinet body 1 are provided with sliding chutes 15.
A first support plate 2 (shown in fig. 5) is arranged at the upper part of the mounting opening 13, and the first support plate 2 is cuboid; all be equipped with slide rail 21 in the both sides of first backup pad 2, slide rail 21 is corresponding with the shape and the position of spout 15, just slide rail 21 movable mounting makes first backup pad 2 carry out the horizontal direction along spout 15 and removes in spout 15, plays the effect of direction. The bottom of first backup pad 2 is equipped with a plurality of support columns 22, support columns 22 are the distribution of rectangular array for play the supporting role to first backup pad 2. Universal wheels 23 are arranged at the lower parts of the support columns 22, so that the first support plate 2 can move in and out of the cabinet body 1.
A second support plate 3 is arranged at the upper part of the first support plate 2 (shown in figures 2 and 5); the central point of the roof of first backup pad 2 puts and is equipped with pneumatic cylinder 24, the top of pneumatic cylinder 24 and the bottom fixed connection of second backup pad 3, through the extension and the shrink of pneumatic cylinder 24, make second backup pad 3 can rise and descend in the cabinet body 1. Four corner positions of the top wall of the first supporting plate 2 are all provided with supporting telescopic rods 25, and the tops of the supporting telescopic rods 25 are fixedly connected with the bottom of the second supporting plate 3 and used for supporting when the second supporting plate 3 ascends and descends. The support telescopic rod 25 is sleeved with a damping spring 26, and can play a role in buffering when the second support plate 3 descends.
A rotating groove 31 (shown in fig. 6) is formed in the top wall of the second support plate 3, and the top cross-sectional shape of the rotating groove 31 is a circular ring shape; a rotary table 4 is arranged at the upper part of the second support plate 3, a rotary convex groove 41 (shown in fig. 7) is arranged on the bottom wall of the rotary table 4, the bottom section of the rotary convex groove 41 is circular, and a plurality of balls 42 which are uniformly distributed are arranged in the rotary convex groove 41; ball 42 all contacts with rotation recess 31, makes carousel 4 rotate along rotating recess 31, can reduce the friction of carousel 4 between when rotating and second backup pad 3 through ball 42, and is comparatively laborsaving. A fire extinguishing agent storage tank 43 is arranged at the upper part of the rotary table 4, and a spray head 44 is connected to the upper part of the fire extinguishing agent storage tank 43 and is used for spraying fire extinguishing agent to extinguish fire.
The utility model discloses a use method is:
(1) when needs are changed or are maintained fire extinguishing agent storage tank 43, outwards shift out first backup pad 2 from the cabinet body 1 to drive second backup pad 3 and carousel 4 and shift out, and can make fire extinguishing agent storage tank 43 be located the outside of the cabinet body 1, need not to operate in the narrow and small space of the cabinet body 1, conveniently take out fire extinguishing agent storage tank 43, and conveniently put new fire extinguishing agent storage tank 43 on carousel 4. When the fire extinguishing agent storage tank 43 is placed, if the fire extinguishing agent storage tank is required to rotate to adjust the angle of the spray head 44, only the rotating disc 4 needs to be rotated, and the heavy fire extinguishing agent storage tank 43 does not need to be moved, so that labor is saved. After a new fire extinguishing agent storage tank 43 is placed, the first support plate 2 is moved into the cabinet body 1 along the sliding groove 15 through the universal wheels 23, and the cabinet door 12 is closed to finish the work.
(2) When fire is needed to be extinguished, the second supporting plate 3 and the rotary table 4 are lifted through the extension of the hydraulic cylinder 24, and the spray head 44 extends outwards from the extending hole 11 to extinguish the fire; when need not put out a fire, through the shrink of pneumatic cylinder 24, make second backup pad 3 and carousel 4 descend, accomodate the cabinet body 1 with shower nozzle 44 in, avoid non-staff to contact fire extinguishing agent storage tank 43.
As a preferred embodiment, a plurality of positioning holes 45 (shown in fig. 7) are uniformly distributed along the circumferential direction on the side wall of the rotating disc 4; a positioning block 32 (as shown in fig. 8) is arranged on the top wall of the front part of the second support plate 3, an insertion hole 33 is arranged on the positioning block 32, and the position of the insertion hole 33 corresponds to the position of the positioning hole 45; the positioning pin 34 is movably installed in the inserting hole 33, and the shape of the positioning pin 34 corresponds to the shape of the positioning hole 45, so that the positioning pin 34 can move into the positioning hole 45 to position the turntable 4. When in use, before the fire extinguishing agent storage tank 43 is placed, the positioning pin 34 is moved out of the positioning hole 45, so that the rotary disc 4 can rotate; after the fire extinguishing agent storage tank 43 is placed, the positioning pin 34 is moved into the positioning hole 45 at the corresponding position, so that the influence of the rotation of the rotary table 4 on the angle of the spray head 44 can be avoided. Preferably, a plurality of rubber strips 35 (as shown in fig. 9) are uniformly distributed along the circumferential direction on the inner wall of the insertion hole 33, the side wall of the positioning pin 34 is in contact with the rubber strips 35, the friction force between the inner wall of the insertion hole 33 and the positioning pin 34 can be increased through the rubber strips 35, and the positioning effect of the positioning pin 34 on the turntable 4 is prevented from being influenced by the fact that the positioning pin 34 is mistakenly touched and moved out of the insertion hole 33.
As a preferred embodiment, damping telescopic rods 5 (shown in fig. 2-3) are arranged on the inner walls of both sides of the cabinet body 1, and the positions of the damping telescopic rods 5 correspond to the positions of the fire extinguishing agent storage tanks 43; the inner side ends of the damping telescopic rods 5 are respectively provided with a fixed block 51, the inner side wall of each fixed block 51 is provided with two positioning clamping plates 52, and the two positioning clamping plates 52 are symmetrically distributed in a splayed shape; mounting grooves 53 (as shown in fig. 10) are formed in the inner side walls of the positioning clamping plates 52, and rollers 54 horizontally arranged are movably mounted in the mounting grooves 53. After fire extinguishing agent storage tank 43 was placed in cabinet body 1, make the damping telescopic link 5 extension of both sides, will fix a position cardboard 52 and contact with fire extinguishing agent storage tank 43, play the supporting role to fire extinguishing agent storage tank 43, through the damping effect of damping telescopic link 5, can increase the holding power to fire extinguishing agent storage tank 43. Because the roller 54 is movably arranged in the mounting groove 53, the roller 54 is in contact with the fire extinguishing agent storage tank 43, when the fire extinguishing agent storage tank 43 ascends or descends, the friction force generated when the inner wall of the positioning clamping plate 52 is in contact with the side wall of the fire extinguishing agent storage tank 43 can be reduced, and the abrasion to the side wall of the fire extinguishing agent storage tank 43 is avoided.
As a preferred embodiment, a handle 27 (as shown in fig. 5) is provided on a side wall of the front portion of the first supporting plate 2, so as to facilitate the worker to pull the first supporting plate 2 outwards from the cabinet 1.
As a preferred embodiment, circular arc-shaped positioning protrusions 28 (as shown in fig. 5) are disposed on both sides of the first support plate 2, the positioning protrusions 28 are located on the upper portion of the slide rail 21, and the positioning protrusions 28 are made of rubber; arc-shaped positioning grooves 16 (as shown in fig. 4) are formed in the inner walls of the two sides of the cabinet body 1, and the shapes and positions of the positioning grooves 16 correspond to those of the positioning protrusions 28. When the first supporting plate 2 moves into the cabinet body 1, the positioning protrusion 28 is clamped into the positioning groove 16, so that the first supporting plate 2 can be positioned in the horizontal direction, and the first supporting plate 2 is prevented from moving in the horizontal direction; when the first supporting plate 2 is moved out from the cabinet body 1, the positioning protrusion 28 is arc-shaped and made of rubber, so that the deformation can be generated, the movement out of the positioning groove 16 is facilitated, and the positioning effect on the first supporting plate 2 is removed.
As a preferred embodiment, a plurality of hinges 17 (as shown in fig. 1) are provided on the cabinet door 12, and the cabinet door 12 is movably mounted on the cabinet body 1 through the hinges 17.
In a preferred embodiment, the cabinet door 12 is provided with an observation window 18 (as shown in fig. 1), so that a worker can observe the equipment inside the cabinet body 1 from the outside conveniently.
To sum up, the gas fire extinguishing device of the utility model can conveniently take out the fire extinguishing agent storage tank from the cabinet body, and can install and replace the fire extinguishing agent storage tank outside the cabinet body, without operating in a narrow space in the cabinet body, thereby improving the working efficiency; in addition, the fire extinguishing agent storage tank can be conveniently rotated, labor is saved, and the cabinet body cannot be abraded.
The parts of the present invention not described in detail are the known techniques of those skilled in the art. Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (8)
1. The utility model provides a gaseous extinguishing device, includes the cabinet body (1), the cabinet body (1) is the rectangular bodily form, its characterized in that: a detecting hole (11) is arranged on the top wall of the cabinet body (1); a cabinet door (12) is arranged at the front part of the cabinet body (1); a mounting opening (13) is formed in the lower part of the cabinet body (1); a plurality of support rods (14) are arranged on the bottom wall of the cabinet body (1); the inner walls of the two sides of the cabinet body (1) are respectively provided with a sliding chute (15);
a first supporting plate (2) is arranged at the upper part of the mounting opening (13), and the first supporting plate (2) is cuboid; sliding rails (21) are arranged on two sides of the first supporting plate (2), the sliding rails (21) correspond to the sliding grooves (15) in shape and position, and the sliding rails (21) are movably mounted in the sliding grooves (15); a plurality of supporting columns (22) are arranged at the bottom of the first supporting plate (2), and the supporting columns (22) are distributed in a rectangular array; universal wheels (23) are arranged at the lower parts of the supporting columns (22);
a second supporting plate (3) is arranged at the upper part of the first supporting plate (2); a hydraulic cylinder (24) is arranged at the center of the top wall of the first supporting plate (2), and the top of the hydraulic cylinder (24) is fixedly connected with the bottom of the second supporting plate (3); supporting telescopic rods (25) are arranged at four corner positions of the top wall of the first supporting plate (2), and the top of each supporting telescopic rod (25) is fixedly connected with the bottom of the second supporting plate (3); the supporting telescopic rods (25) are all sleeved with damping springs (26);
a rotating groove (31) is formed in the top wall of the second supporting plate (3), and the overlooking section of the rotating groove (31) is annular; a rotary table (4) is arranged at the upper part of the second supporting plate (3), a rotary convex groove (41) is arranged on the bottom wall of the rotary table (4), the bottom section of the rotary convex groove (41) is circular, and a plurality of uniformly distributed balls (42) are arranged in the rotary convex groove (41); the balls (42) are all contacted with the rotating groove (31); a fire extinguishing agent storage tank (43) is arranged at the upper part of the rotary disc (4), and a spray head (44) is connected to the upper part of the fire extinguishing agent storage tank (43).
2. A gas fire extinguishing apparatus according to claim 1, characterized in that: a plurality of positioning holes (45) which are uniformly distributed along the circumferential direction are formed in the side wall of the turntable (4); a positioning block (32) is arranged on the top wall of the front part of the second supporting plate (3), an inserting hole (33) is arranged on the positioning block (32), and the position of the inserting hole (33) corresponds to the position of the positioning hole (45); a positioning pin (34) is movably mounted in the inserting hole (33), and the shape of the positioning pin (34) corresponds to that of the positioning hole (45).
3. A gas fire extinguishing apparatus according to claim 2, wherein: the inner wall of the plug-in hole (33) is provided with a plurality of rubber strips (35) which are uniformly distributed along the circumferential direction, and the side wall of the positioning pin (34) is in contact with the rubber strips (35).
4. A gas fire extinguishing apparatus according to claim 1, characterized in that: damping telescopic rods (5) are arranged on the inner walls of the two sides of the cabinet body (1), and the positions of the damping telescopic rods (5) correspond to the positions of the fire extinguishing agent storage tanks (43); the inner side ends of the damping telescopic rods (5) are respectively provided with a fixed block (51), the inner side walls of the fixed blocks (51) are provided with two positioning clamping plates (52), and the two positioning clamping plates (52) are symmetrically distributed in a splayed shape; mounting grooves (53) are formed in the inner side walls of the positioning clamping plates (52), and rolling shafts (54) arranged in the horizontal direction are movably mounted in the mounting grooves (53).
5. A gas fire extinguishing apparatus according to claim 1, characterized in that: a handle (27) is arranged on the side wall of the front part of the first supporting plate (2).
6. A gas fire extinguishing apparatus according to claim 1, characterized in that: arc-shaped positioning protrusions (28) are arranged on two sides of the first supporting plate (2), the positioning protrusions (28) are located on the upper portion of the sliding rail (21), and the positioning protrusions (28) are made of rubber; arc-shaped positioning grooves (16) are formed in the inner walls of the two sides of the cabinet body (1), and the shapes and the positions of the positioning grooves (16) correspond to those of the positioning protrusions (28).
7. A gas fire extinguishing apparatus according to claim 1, characterized in that: the cabinet door (12) is provided with a plurality of hinges (17), and the cabinet door (12) is movably arranged on the cabinet body (1) through the hinges (17).
8. A gas fire extinguishing apparatus according to claim 1, characterized in that: an observation window (18) is arranged on the cabinet door (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020350168.6U CN212016507U (en) | 2020-03-19 | 2020-03-19 | Gas fire extinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020350168.6U CN212016507U (en) | 2020-03-19 | 2020-03-19 | Gas fire extinguishing device |
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| Publication Number | Publication Date |
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| CN212016507U true CN212016507U (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020350168.6U Active CN212016507U (en) | 2020-03-19 | 2020-03-19 | Gas fire extinguishing device |
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| CN (1) | CN212016507U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113069700A (en) * | 2021-04-20 | 2021-07-06 | 国网山东省电力公司经济技术研究院 | Multi-station fusion type transformer substation multifunctional fire-fighting equipment |
| CN115300839A (en) * | 2022-08-10 | 2022-11-08 | 合肥德特飞思信息技术有限责任公司 | Fire extinguishing device for chemical energy storage cabinet and working method of fire extinguishing device |
-
2020
- 2020-03-19 CN CN202020350168.6U patent/CN212016507U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113069700A (en) * | 2021-04-20 | 2021-07-06 | 国网山东省电力公司经济技术研究院 | Multi-station fusion type transformer substation multifunctional fire-fighting equipment |
| CN115300839A (en) * | 2022-08-10 | 2022-11-08 | 合肥德特飞思信息技术有限责任公司 | Fire extinguishing device for chemical energy storage cabinet and working method of fire extinguishing device |
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