CN214388590U - Fire extinguishing device for elevator car - Google Patents
Fire extinguishing device for elevator car Download PDFInfo
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- CN214388590U CN214388590U CN202023231746.3U CN202023231746U CN214388590U CN 214388590 U CN214388590 U CN 214388590U CN 202023231746 U CN202023231746 U CN 202023231746U CN 214388590 U CN214388590 U CN 214388590U
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Abstract
The utility model provides a fire extinguishing device for elevator car belongs to elevator car technical field. This extinguishing device for elevator car includes car roof, car bottom plate, a plurality of car curb plates, first convulsions piece, first air blast piece, first wind-guiding groove, second wind-guiding groove, water spray. The utility model provides a combined action of first convulsions piece and first wind-guiding groove takes the smoke and dust out the car top, the combined action of first air-blowing piece and second wind-guiding groove is with the air suction of car bottom, improve smoke and dust exhaust efficiency, the water pump extraction water, first raceway is carried water to corrugated metal pipe, corrugated metal pipe carries water to shower nozzle department, the shower nozzle is with water blowout, the extending structure promotes to control about the shower nozzle, thereby promote the top of department of catching fire in the car with the shower nozzle, the shower nozzle blowout water of being convenient for is put out a fire, the efficiency of putting out a fire is improved, when rivers are covered to the activity down, water gets into in the storage water tank from the guiding gutter, improve the water utilization ratio.
Description
Technical Field
The utility model relates to an elevator car technical field, concretely relates to fire extinguishing device for elevator car.
Background
An elevator is a permanent transport device serving a number of specific floors in a building, the cars of which travel in at least two rigid tracks perpendicular to the horizontal or inclined at an angle of less than 15 ° to the vertical. For some higher floors, elevators are essential. However, the elevator is also very dangerous when the conflagration appears, especially people in the elevator, the condition of oxygen deficiency appears easily, if can not put out the fire the very first time, people in the elevator even have life danger, and the shower nozzle of extinguishing device in the elevator car is fixed in a car lateral wall at present, then the shower nozzle can't remove, and then the fire control effect of shower nozzle is relatively poor to the place far away apart from the shower nozzle in the car.
Chinese patent CN211962899U, published japanese 2020-11-20 discloses a fire extinguishing device for elevator, including the elevator body, elevator body inner wall fixedly connected with baffle, fixedly connected with leads to the window between baffle and the elevator body top, fixedly connected with fan in the logical window, it is equipped with ventilation unit to lead to window one side, elevator body outside fixedly connected with casing, casing bottom fixedly connected with water tank, be equipped with the water pump in the water tank, water pump outlet end fixedly connected with raceway, raceway one end runs through elevator body one side and is located the elevator originally internally, the raceway is located the inside one end tip fixedly connected with hose of elevator body, hose one end fixedly connected with shower nozzle, fixedly connected with switch on the elevator body inner wall of hose below, the utility model discloses the beneficial effect who reaches is: the utility model discloses this internal ventilation condition of elevator when assurance conflagration that can be fine takes place prevents that oxygen deficiency phenomenon from appearing by the stranded personnel, and simultaneously, the stranded personnel can save oneself the very first time, rather than sit wait fire fighter and rescue before. The shower nozzle in the above-mentioned patent is fixed in on a car lateral wall, then the shower nozzle can't remove, and then the fire control effect of shower nozzle is relatively poor to the place far away apart from the shower nozzle in the car, can only carry out convulsions through the fan that is located the elevator body simultaneously, and the effect of the smoke and dust in the extraction car is relatively poor when the conflagration breaing out.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an elevator is extinguishing device for car to the not enough of above-mentioned prior art.
The utility model provides a fire extinguishing device for an elevator car, which comprises a car roof, a car bottom plate, a plurality of car side plates, a first air draft part arranged on the outer side wall of the car roof, a first air blast part arranged on the outer side wall of the car bottom plate, a first air guide groove arranged on the car roof and communicated with the first air draft part, a second air guide groove arranged on the car bottom plate and communicated with the first air blast part, and a water spraying part for spraying water; the water spray piece sets up in the inboard storage water tank of first mounting groove including setting up in the inboard first mounting groove of car bottom plate, sets up in the shower nozzle of car roof lower extreme, and first raceway sets up the water pump in the storage water tank for the movable cover that closes first mounting groove, telescopic corrugated metal pipe for control the extending structure who removes about the shower nozzle in the promotion sets up in the inboard second mounting groove of a car curb plate, sets up a plurality of guiding gutters on the movable cover, first mounting groove and second mounting groove intercommunication, first raceway one end is connected and is passed the second mounting groove in water pump, the other end and stretches out the second mounting groove to connecting in corrugated metal pipe one end, corrugated metal pipe other end shower nozzle, extending structure one end is fixed in on the car roof.
Furthermore, first convulsions piece is including being fixed in the first air exhauster of car roof lateral wall, sets up the first protecting crust in the first air exhauster outside, sets up the third wind-guiding groove on first protecting crust, sets up the first filter screen on the third wind-guiding groove, first protecting crust bottom is equipped with the first ventilation groove with first wind-guiding groove intercommunication.
Furthermore, the first air blowing piece comprises a first air blowing box fixed on the outer side wall of the bottom plate of the car, a first air blower arranged on the inner side of the first air blowing box, a fourth air guide groove arranged on the first air blowing box and a second filter screen arranged on the fourth air guide groove, and a second air guide groove communicated with the second air guide groove is arranged at the top end of the first air blowing box.
Furthermore, the air conditioner also comprises a third filter screen arranged in the first air guide groove and a fourth filter screen arranged in the second air guide groove.
The waterproof breathable film is used for preventing water from flowing out of the second air guide groove and allowing air to penetrate into the lift car, and is adhered to the position, located at the top end of the second air guide groove, on the lift car bottom plate.
Furthermore, extending structure is including being fixed in the first pneumatic cylinder on the car roof, sets up the first piston rod on first pneumatic cylinder, connection structure one end is connected in first piston rod one end, the other end is connected in the shower nozzle top.
Further, the first piston rod is parallel to the car top plate, and the spray head is perpendicular to the car top plate.
Furthermore, the filter also comprises a fifth filter screen arranged on the water chute.
Further, still include the rubber sleeve that cup joints in the movable cover periphery, be used for sealing the gap between movable cover and the first mounting groove.
Further, the connection structure further comprises a fixing block connected to the first piston rod, a first clamping groove arranged on the inner side of the fixing block, a first screw fixed on the spray head, a first screw tube, a first thread groove arranged on the fixing block, a thread connecting part arranged on the first screw tube, a fixing part arranged on the first screw tube, a second thread groove arranged on the inner side of the thread connecting part, a third mounting groove arranged on the fixing part in a penetrating manner, and a second screw, wherein the first thread grooves are two in the two ends of the first clamping groove respectively, the first screw is in threaded connection with the second thread groove, and one end of the second screw is in threaded connection with one first thread groove, the third mounting groove and the other first thread groove in a threaded manner when the fixing part is clamped in the first clamping groove.
The utility model discloses a fire extinguishing apparatus for elevator car has following beneficial effect:
1. the smoke dust is drawn out of the top end of the car under the combined action of the first air draft part and the first air guide groove, air at the bottom end of the car is drawn in under the combined action of the first air blast part and the second air guide groove, the smoke dust discharging efficiency is improved, water is pumped by the water pump, water is conveyed to the metal corrugated pipe by the first water conveying pipe, the metal corrugated pipe conveys the water to the spray head, the spray head sprays the water out, the telescopic structure pushes the spray head to move left and right, the spray head is pushed to the top end of a fire place in the car, the spray head sprays the water for fire extinguishing, the fire extinguishing efficiency is improved, when water flows down to the movable cover, the water enters the water storage tank from the water guide groove, and the utilization rate of the water is improved;
2. the first protection shell can protect the first exhaust fan, and the first filter screen can filter smoke dust when the first exhaust fan extracts the smoke dust in the lift car, so that the gas output from the first protection shell is prevented from polluting the well environment;
3. the first air blowing box can protect the first air blower, and the second filter screen can filter air when the first air blower pumps the air at the bottom end of the car into the car, so that the quality of the air blown into the car is improved;
4. the third filter screen can carry out primary filtration on the smoke dust extracted from the car, so that the smoke dust filtering effect is improved, and the fourth filter screen can carry out secondary filtration on the air blown into the car, so that the air quality is further improved;
5. the waterproof breathable film can enable air in the second air guide groove to permeate into the lift car, and meanwhile can prevent water flowing from the spray head from permeating, so that the problem that the efficiency of air entering the lift car is reduced due to the fact that water enters the second air guide groove is avoided;
6. the fifth filter screen can filter water contaminated with smoke dust when entering the water chute, so that the water chute is prevented from being blocked;
7. first screw rod spiro union can finely tune the total length of first screw rod and first screwed pipe in the inboard second thread groove of first screwed pipe, and then the distance between adjustment shower nozzle and the fixed block, the fixed part joint of first screwed pipe in first draw-in groove, second screw rod one end spiro union in proper order in a first thread groove, run through in third mounting groove and spiro union in another first thread groove to install the shower nozzle on the fixed block, it is convenient to install.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the invention. For a person skilled in the art, other figures can be derived from these figures without inventive effort.
Fig. 1 is a schematic structural view of a fire extinguishing apparatus for an elevator car according to an embodiment of the present invention;
fig. 2 is a plan view of a car floor in a fire extinguishing apparatus for an elevator car according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of a connection structure in a fire extinguishing apparatus for an elevator car according to an embodiment of the present invention.
In the figure: 11-car top plate, 111-third filter screen, 12-car bottom plate, 121-fourth filter screen, 122-waterproof breathable film, 123-first mounting groove, 13-car side plate, 14-movable cover, 141-fifth filter screen, 142-rubber sleeve, 21-first protective shell, 22-first exhaust fan, 23-first filter screen, 31-first blast box, 32-first blower, 33-second filter screen, 41-water storage tank, 42-water pump, 43-first water pipe, 44-metal corrugated pipe, 45-nozzle, 51-first hydraulic cylinder, 52-first piston rod, 6-connecting structure, 61-fixed block, 611-first clamping groove, 612-first threaded groove, 62-first threaded pipe, 621-fixed part, 622-screwed part, 623-third mounting groove, 63-first screw rod, 64-second screw rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
Please refer to fig. 1 to 3. The utility model discloses a fire extinguishing device for an elevator car, which comprises a car top plate 11, a car bottom plate 12, a plurality of car side plates 13, a first air draft part arranged on the outer side wall of the car top plate 11, a first air blowing part arranged on the outer side wall of the car bottom plate 12, a first air guide groove arranged on the car top plate 11 and communicated with the first air draft part, a second air guide groove arranged on the car bottom plate 12 and communicated with the first air blowing part, and a water spraying part for spraying water; the water spray part is including setting up in the inboard first mounting groove 123 of car bottom plate 12, set up in the inboard storage water tank 41 of first mounting groove 123, set up in shower nozzle 45 of car roof 11 lower extreme, first raceway 43, set up the water pump 42 in storage water tank 41, be used for covering the removable cover 14 who closes first mounting groove 123, telescopic corrugated metal pipe 44, be used for promoting the extending structure that removes about shower nozzle 45, set up in the inboard second mounting groove of a car curb plate 13, set up a plurality of guiding gutters on removable cover 14, first mounting groove 123 and second mounting groove intercommunication, first raceway 43 one end is connected in water pump 42, the other end passes the second mounting groove and stretches out the second mounting groove to connecting in corrugated metal pipe 44 one end, corrugated metal pipe 44 other end shower nozzle 45, extending structure one end is fixed in on car roof 11.
Here, the car top is taken out the smoke and dust to the combined action in first convulsions piece and first wind-guiding groove, the combined action in first air-blowing piece and second wind-guiding groove is with the air suction of car bottom, improve smoke and dust exhaust efficiency, water pump 42 takes out the water, first raceway 43 carries water to corrugated metal pipe 44, corrugated metal pipe 44 carries water to shower nozzle 45 department, shower nozzle 45 spouts water, extending structure promotes to control about shower nozzle 45, thereby promote the top of the department of catching fire in the car with shower nozzle 45, be convenient for shower nozzle 45 to spout water and put out a fire, improve the efficiency of putting out a fire, when rivers are gone up to movable cover 14 down, water gets into in storage water tank 41 from the guiding gutter, improve the utilization ratio of water.
First convulsions piece can be including being fixed in the first air exhauster 22 of 11 lateral walls of car roof, sets up in the first protecting crust 21 in the first air exhauster 22 outside, sets up the third wind-guiding groove on first protecting crust 21, sets up the first filter screen 23 on the third wind-guiding groove, and first protecting crust 21 bottom is equipped with the first ventilation groove with first wind-guiding groove intercommunication. The first protection case 21 can protect the first exhaust fan 22, and the first filter 23 can filter the smoke when the first exhaust fan 22 extracts the smoke in the car, so as to prevent the gas output from the first protection case 21 from polluting the hoistway environment.
The first blowing member may include a first blowing box 31 fixed to an outer sidewall of the car floor 12, a first blower 32 disposed inside the first blowing box 31, a fourth air guiding groove disposed on the first blowing box 31, and a second filter screen 33 disposed on the fourth air guiding groove, and a second air guiding groove communicated with the second air guiding groove is disposed at a top end of the first blowing box 31. The first blower case 31 may protect the first blower 32, and the second filter 33 may filter air when the first blower 32 draws the air from the bottom end of the car into the car, thereby improving the quality of the air blown into the car.
The fire extinguishing device for an elevator car in the present embodiment may further include a third screen 111 disposed in the first air guiding groove and a fourth screen 121 disposed in the second air guiding groove. The third filter screen 111 can carry out preliminary filtration to the smoke and dust of taking out from the car to improve the filter effect to the smoke and dust, and the fourth filter screen 121 can carry out secondary filtration to the air of blowing in the car, thereby further improve the quality of air.
The fire extinguishing apparatus for an elevator car in this embodiment may further include a waterproof breathable film 122 for preventing water from flowing out of the second air guiding groove and allowing air to permeate into the car, and the waterproof breathable film 122 is adhered to the car bottom plate 12 at a position at the top end of the second air guiding groove. The waterproof breathable film 122 can enable air in the second air guide groove to permeate into the car, and meanwhile can prevent water flowing upwards and downwards from the spray head 45 from permeating, so that the problem that the efficiency of air entering the car is reduced due to the fact that the water enters the second air guide groove is avoided.
The telescopic structure may include a first hydraulic cylinder 51 fixed on the car roof 11, a first piston rod 52 disposed on the first hydraulic cylinder 51, and a connecting structure 6, wherein one end of the connecting structure 6 is connected to one end of the first piston rod 52, and the other end is connected to the top end of the spray head 45.
The first piston rod 52 may be parallel to the car roof 11 and the spray head 45 perpendicular to the car roof 11.
The fire extinguishing apparatus for an elevator car in the present embodiment may further include a fifth strainer 141 provided on the water guide chute. The fifth filtering net 141 may filter the water contaminated with the soot when the water enters the water guiding duct, thereby preventing the water guiding duct from being blocked.
The fire extinguishing apparatus for an elevator car in the embodiment may further include a rubber sleeve 142 sleeved on the periphery of the movable cover 14 to seal a gap between the movable cover 14 and the first mounting groove 123, and the rubber sleeve 142 may improve the sealing property between the movable cover 14 and the first mounting groove 123, so as to prevent the garbage in the car from entering the water storage tank 41 through the gap, and when water needs to be added to or replaced in the water storage tank 41, the movable cover 14 may be taken out from the first mounting groove 123.
The connection structure 6 may further include a fixing block 61 connected to the first piston rod 52, a first clamping groove 611 disposed inside the fixing block 61, a first screw 63 fixed to the nozzle 45, a first screw 62, a first screw groove 612 disposed on the fixing block 61, a screwing portion 622 disposed on the first screw 62, a fixing portion 621 disposed on the first screw 62, a second screw groove disposed inside the screwing portion 622, a third mounting groove 623 penetrating through the fixing portion 621, and a second screw 64, where the first screw grooves 612 are two screw grooves disposed at two ends of the first clamping groove 611, the first screw 63 is screwed to the second screw groove, and one end of the second screw 64 is screwed to one first screw groove 612, penetrates through the third mounting groove 623, and is screwed to the other first screw groove 612 when the fixing portion 621 is fastened to the first clamping groove 611. The first screw 63 is screwed in the second thread groove on the inner side of the first thread pipe 62, the total length of the first screw 63 and the first thread pipe 62 can be finely adjusted, and then the distance between the spray head 45 and the fixing block 61 is adjusted, the fixing part 621 of the first thread pipe 62 is clamped in the first clamping groove 611, one end of the second screw 64 is sequentially screwed in one first thread groove 612, penetrates through the third mounting groove 623 and is screwed in the other first thread groove 612, so that the spray head 45 is mounted on the fixing block 61, and the mounting is convenient.
The above-described embodiments can be implemented individually or in various combinations, and such variations are within the scope of the present invention.
It should be noted that, in the description of the present application, it should be noted that the terms "upper end", "lower end" and "bottom end" indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which the product of the application is usually placed in when the product of the application is used, and are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the device referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present application. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The utility model provides an extinguishing device for elevator car which characterized in that: the air-blowing type car roof structure comprises a car roof plate (11), a car bottom plate (12), a plurality of car side plates (13), a first air-blowing part arranged on the outer side wall of the car roof plate (11), a first air-blowing part arranged on the outer side wall of the car bottom plate (12), a first air-guiding groove arranged on the car roof plate (11) and communicated with the first air-blowing part, a second air-guiding groove arranged on the car bottom plate (12) and communicated with the first air-blowing part, and a water-spraying part for spraying water; the water spraying part comprises a first mounting groove (123) arranged on the inner side of the car bottom plate (12), a water storage tank (41) arranged on the inner side of the first mounting groove (123), a spray head (45) arranged at the lower end of the car top plate (11), a first water conveying pipe (43), a water pump (42) arranged in the water storage tank (41), a movable cover (14) used for covering the first mounting groove (123), a telescopic metal corrugated pipe (44), a telescopic structure used for pushing the spray head (45) to move left and right, a second mounting groove arranged on the inner side of one car side plate (13), a plurality of water guide grooves arranged on the movable cover (14), the first mounting groove (123) is communicated with the second mounting groove, one end of the first water conveying pipe (43) is connected to the water pump (42), and the other end of the first water conveying pipe (43) passes through the second mounting groove and extends out of the second mounting groove to be connected to one end of the metal corrugated pipe (44), the other end of the metal corrugated pipe (44) is provided with a spray head (45), and one end of the telescopic structure is fixed on the car roof (11).
2. A fire extinguishing apparatus for an elevator car as defined in claim 1, wherein: first convulsions piece is including first air exhauster (22) that is fixed in car roof (11) lateral wall, sets up in first protecting crust (21) in first air exhauster (22) outside, sets up the third wind-guiding groove on first protecting crust (21), sets up first filter screen (23) on the third wind-guiding groove, first protecting crust (21) bottom is equipped with the first ventilation groove with first wind-guiding groove intercommunication.
3. A fire extinguishing apparatus for an elevator car as defined in claim 1 or 2, wherein: the first air blowing piece comprises a first air blowing box (31) fixed on the outer side wall of the car bottom plate (12), a first air blower (32) arranged on the inner side of the first air blowing box (31), a fourth air guide groove arranged on the first air blowing box (31), and a second filter screen (33) arranged on the fourth air guide groove, wherein the top end of the first air blowing box (31) is provided with a second air guide groove communicated with the second air guide groove.
4. A fire extinguishing apparatus for an elevator car as defined in claim 3, wherein: the air conditioner also comprises a third filter screen (111) arranged in the first air guide groove and a fourth filter screen (121) arranged in the second air guide groove.
5. A fire extinguishing apparatus for an elevator car as defined in claim 3, wherein: the elevator car air-conditioner further comprises a waterproof breathable film (122) used for preventing water from flowing out of the second air guide groove and allowing air to penetrate into the car, and the waterproof breathable film (122) is bonded to the position, located at the top end of the second air guide groove, of the car bottom plate (12).
6. A fire extinguishing apparatus for an elevator car as defined in claim 3, wherein: the telescopic structure comprises a first hydraulic cylinder (51) fixed on a car top plate (11), a first piston rod (52) arranged on the first hydraulic cylinder (51) and a connecting structure (6), wherein one end of the connecting structure (6) is connected to one end of the first piston rod (52) and the other end of the first piston rod is connected to the top end of the spray head (45).
7. A fire extinguishing apparatus for an elevator car as defined in claim 6, wherein: the first piston rod (52) is parallel to the car roof (11), and the spray head (45) is perpendicular to the car roof (11).
8. A fire extinguishing apparatus for an elevator car as defined in claim 1 or 2, wherein: the filter also comprises a fifth filter screen (141) arranged on the water chute.
9. A fire extinguishing apparatus for an elevator car as defined in claim 1 or 2, wherein: the sealing device also comprises a rubber sleeve (142) which is sleeved on the periphery of the movable cover (14) and used for sealing a gap between the movable cover (14) and the first mounting groove (123).
10. A fire extinguishing apparatus for an elevator car as defined in claim 7, wherein: the connecting structure (6) further comprises a fixing block (61) connected to the first piston rod (52), a first clamping groove (611) formed in the inner side of the fixing block (61), a first screw (63) fixed to the spray head (45), a first solenoid (62), a first thread groove (612) formed in the fixing block (61), a screwing part (622) formed in the first solenoid (62), a fixing part (621) formed in the first solenoid (62), a second thread groove formed in the inner side of the screwing part (622), a third mounting groove (623) formed in the fixing part (621) in a penetrating manner, and a second screw (64), wherein the first thread grooves (612) are formed in two ends of the first clamping groove (611) respectively, the first screw (63) is screwed in the second thread groove, and one end of the second screw (64) is screwed in the first thread groove (612) sequentially when the fixing part (621) is fastened to the first clamping groove (611), Penetrates through the third mounting groove (623) and is screwed with the other first thread groove (612).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023231746.3U CN214388590U (en) | 2020-12-29 | 2020-12-29 | Fire extinguishing device for elevator car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023231746.3U CN214388590U (en) | 2020-12-29 | 2020-12-29 | Fire extinguishing device for elevator car |
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| Publication Number | Publication Date |
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| CN214388590U true CN214388590U (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023231746.3U Active CN214388590U (en) | 2020-12-29 | 2020-12-29 | Fire extinguishing device for elevator car |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114712759A (en) * | 2022-06-10 | 2022-07-08 | 河南师范大学 | High-rise fire-fighting extinguishing device |
| CN115043293A (en) * | 2022-07-29 | 2022-09-13 | 合肥德特飞思信息技术有限责任公司 | Intelligent elevator fire control management and control equipment that puts out a fire |
-
2020
- 2020-12-29 CN CN202023231746.3U patent/CN214388590U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114712759A (en) * | 2022-06-10 | 2022-07-08 | 河南师范大学 | High-rise fire-fighting extinguishing device |
| CN115043293A (en) * | 2022-07-29 | 2022-09-13 | 合肥德特飞思信息技术有限责任公司 | Intelligent elevator fire control management and control equipment that puts out a fire |
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